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/*
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* TI OMAP processors emulation.
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*
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* Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 or
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* (at your option) version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "hw.h" |
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#include "arm-misc.h" |
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#include "omap.h" |
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#include "sysemu.h" |
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#include "soc_dma.h" |
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#include "blockdev.h" |
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#include "range.h" |
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#include "sysbus.h" |
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/* Should signal the TCMI/GPMC */
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uint32_t omap_badwidth_read8(void *opaque, hwaddr addr)
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{ |
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uint8_t ret; |
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OMAP_8B_REG(addr); |
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cpu_physical_memory_read(addr, (void *) &ret, 1); |
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return ret;
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} |
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void omap_badwidth_write8(void *opaque, hwaddr addr, |
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uint32_t value) |
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{ |
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uint8_t val8 = value; |
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OMAP_8B_REG(addr); |
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cpu_physical_memory_write(addr, (void *) &val8, 1); |
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} |
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uint32_t omap_badwidth_read16(void *opaque, hwaddr addr)
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{ |
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uint16_t ret; |
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OMAP_16B_REG(addr); |
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cpu_physical_memory_read(addr, (void *) &ret, 2); |
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return ret;
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} |
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void omap_badwidth_write16(void *opaque, hwaddr addr, |
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uint32_t value) |
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{ |
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uint16_t val16 = value; |
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OMAP_16B_REG(addr); |
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cpu_physical_memory_write(addr, (void *) &val16, 2); |
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} |
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uint32_t omap_badwidth_read32(void *opaque, hwaddr addr)
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{ |
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uint32_t ret; |
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OMAP_32B_REG(addr); |
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cpu_physical_memory_read(addr, (void *) &ret, 4); |
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return ret;
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} |
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void omap_badwidth_write32(void *opaque, hwaddr addr, |
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uint32_t value) |
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{ |
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OMAP_32B_REG(addr); |
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cpu_physical_memory_write(addr, (void *) &value, 4); |
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} |
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/* MPU OS timers */
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struct omap_mpu_timer_s {
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MemoryRegion iomem; |
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qemu_irq irq; |
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omap_clk clk; |
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uint32_t val; |
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int64_t time; |
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QEMUTimer *timer; |
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QEMUBH *tick; |
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int64_t rate; |
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int it_ena;
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int enable;
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int ptv;
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int ar;
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int st;
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uint32_t reset_val; |
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}; |
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static inline uint32_t omap_timer_read(struct omap_mpu_timer_s *timer) |
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{ |
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uint64_t distance = qemu_get_clock_ns(vm_clock) - timer->time; |
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if (timer->st && timer->enable && timer->rate)
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return timer->val - muldiv64(distance >> (timer->ptv + 1), |
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timer->rate, get_ticks_per_sec()); |
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else
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return timer->val;
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} |
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static inline void omap_timer_sync(struct omap_mpu_timer_s *timer) |
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{ |
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timer->val = omap_timer_read(timer); |
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timer->time = qemu_get_clock_ns(vm_clock); |
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} |
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static inline void omap_timer_update(struct omap_mpu_timer_s *timer) |
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{ |
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int64_t expires; |
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if (timer->enable && timer->st && timer->rate) {
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timer->val = timer->reset_val; /* Should skip this on clk enable */
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expires = muldiv64((uint64_t) timer->val << (timer->ptv + 1),
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get_ticks_per_sec(), timer->rate); |
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/* If timer expiry would be sooner than in about 1 ms and
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* auto-reload isn't set, then fire immediately. This is a hack
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* to make systems like PalmOS run in acceptable time. PalmOS
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* sets the interval to a very low value and polls the status bit
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* in a busy loop when it wants to sleep just a couple of CPU
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* ticks. */
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if (expires > (get_ticks_per_sec() >> 10) || timer->ar) |
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qemu_mod_timer(timer->timer, timer->time + expires); |
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else
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qemu_bh_schedule(timer->tick); |
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} else
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qemu_del_timer(timer->timer); |
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} |
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static void omap_timer_fire(void *opaque) |
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{ |
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struct omap_mpu_timer_s *timer = opaque;
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if (!timer->ar) {
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timer->val = 0;
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timer->st = 0;
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} |
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if (timer->it_ena)
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/* Edge-triggered irq */
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qemu_irq_pulse(timer->irq); |
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} |
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static void omap_timer_tick(void *opaque) |
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{ |
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struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque; |
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omap_timer_sync(timer); |
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omap_timer_fire(timer); |
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omap_timer_update(timer); |
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} |
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static void omap_timer_clk_update(void *opaque, int line, int on) |
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{ |
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struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque; |
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omap_timer_sync(timer); |
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timer->rate = on ? omap_clk_getrate(timer->clk) : 0;
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omap_timer_update(timer); |
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} |
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static void omap_timer_clk_setup(struct omap_mpu_timer_s *timer) |
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{ |
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omap_clk_adduser(timer->clk, |
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qemu_allocate_irqs(omap_timer_clk_update, timer, 1)[0]); |
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timer->rate = omap_clk_getrate(timer->clk); |
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} |
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static uint64_t omap_mpu_timer_read(void *opaque, hwaddr addr, |
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unsigned size)
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{ |
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struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque; |
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if (size != 4) { |
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return omap_badwidth_read32(opaque, addr);
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} |
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switch (addr) {
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case 0x00: /* CNTL_TIMER */ |
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return (s->enable << 5) | (s->ptv << 2) | (s->ar << 1) | s->st; |
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case 0x04: /* LOAD_TIM */ |
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break;
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case 0x08: /* READ_TIM */ |
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return omap_timer_read(s);
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} |
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OMAP_BAD_REG(addr); |
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return 0; |
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} |
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static void omap_mpu_timer_write(void *opaque, hwaddr addr, |
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uint64_t value, unsigned size)
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{ |
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struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque; |
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if (size != 4) { |
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return omap_badwidth_write32(opaque, addr, value);
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} |
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switch (addr) {
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case 0x00: /* CNTL_TIMER */ |
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omap_timer_sync(s); |
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s->enable = (value >> 5) & 1; |
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s->ptv = (value >> 2) & 7; |
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s->ar = (value >> 1) & 1; |
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s->st = value & 1;
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omap_timer_update(s); |
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return;
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case 0x04: /* LOAD_TIM */ |
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s->reset_val = value; |
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return;
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case 0x08: /* READ_TIM */ |
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OMAP_RO_REG(addr); |
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break;
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default:
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OMAP_BAD_REG(addr); |
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} |
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} |
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static const MemoryRegionOps omap_mpu_timer_ops = { |
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.read = omap_mpu_timer_read, |
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.write = omap_mpu_timer_write, |
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.endianness = DEVICE_LITTLE_ENDIAN, |
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}; |
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static void omap_mpu_timer_reset(struct omap_mpu_timer_s *s) |
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{ |
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qemu_del_timer(s->timer); |
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s->enable = 0;
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s->reset_val = 31337;
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s->val = 0;
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s->ptv = 0;
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s->ar = 0;
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s->st = 0;
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s->it_ena = 1;
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} |
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static struct omap_mpu_timer_s *omap_mpu_timer_init(MemoryRegion *system_memory, |
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hwaddr base, |
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qemu_irq irq, omap_clk clk) |
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{ |
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struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) |
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g_malloc0(sizeof(struct omap_mpu_timer_s)); |
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s->irq = irq; |
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s->clk = clk; |
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s->timer = qemu_new_timer_ns(vm_clock, omap_timer_tick, s); |
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s->tick = qemu_bh_new(omap_timer_fire, s); |
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omap_mpu_timer_reset(s); |
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omap_timer_clk_setup(s); |
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memory_region_init_io(&s->iomem, &omap_mpu_timer_ops, s, |
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"omap-mpu-timer", 0x100); |
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memory_region_add_subregion(system_memory, base, &s->iomem); |
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return s;
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} |
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/* Watchdog timer */
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struct omap_watchdog_timer_s {
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struct omap_mpu_timer_s timer;
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MemoryRegion iomem; |
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uint8_t last_wr; |
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int mode;
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int free;
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int reset;
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}; |
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static uint64_t omap_wd_timer_read(void *opaque, hwaddr addr, |
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unsigned size)
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{ |
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struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque; |
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if (size != 2) { |
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return omap_badwidth_read16(opaque, addr);
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} |
293 |
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switch (addr) {
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case 0x00: /* CNTL_TIMER */ |
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return (s->timer.ptv << 9) | (s->timer.ar << 8) | |
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(s->timer.st << 7) | (s->free << 1); |
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case 0x04: /* READ_TIMER */ |
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return omap_timer_read(&s->timer);
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case 0x08: /* TIMER_MODE */ |
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return s->mode << 15; |
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} |
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OMAP_BAD_REG(addr); |
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return 0; |
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} |
309 |
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static void omap_wd_timer_write(void *opaque, hwaddr addr, |
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uint64_t value, unsigned size)
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{ |
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struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque; |
314 |
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if (size != 2) { |
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return omap_badwidth_write16(opaque, addr, value);
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} |
318 |
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switch (addr) {
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case 0x00: /* CNTL_TIMER */ |
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omap_timer_sync(&s->timer); |
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s->timer.ptv = (value >> 9) & 7; |
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s->timer.ar = (value >> 8) & 1; |
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s->timer.st = (value >> 7) & 1; |
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s->free = (value >> 1) & 1; |
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omap_timer_update(&s->timer); |
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break;
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|
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case 0x04: /* LOAD_TIMER */ |
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s->timer.reset_val = value & 0xffff;
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break;
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case 0x08: /* TIMER_MODE */ |
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if (!s->mode && ((value >> 15) & 1)) |
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omap_clk_get(s->timer.clk); |
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s->mode |= (value >> 15) & 1; |
337 |
if (s->last_wr == 0xf5) { |
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if ((value & 0xff) == 0xa0) { |
339 |
if (s->mode) {
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s->mode = 0;
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omap_clk_put(s->timer.clk); |
342 |
} |
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} else {
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/* XXX: on T|E hardware somehow this has no effect,
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* on Zire 71 it works as specified. */
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s->reset = 1;
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qemu_system_reset_request(); |
348 |
} |
349 |
} |
350 |
s->last_wr = value & 0xff;
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break;
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|
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default:
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OMAP_BAD_REG(addr); |
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} |
356 |
} |
357 |
|
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static const MemoryRegionOps omap_wd_timer_ops = { |
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.read = omap_wd_timer_read, |
360 |
.write = omap_wd_timer_write, |
361 |
.endianness = DEVICE_NATIVE_ENDIAN, |
362 |
}; |
363 |
|
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static void omap_wd_timer_reset(struct omap_watchdog_timer_s *s) |
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{ |
366 |
qemu_del_timer(s->timer.timer); |
367 |
if (!s->mode)
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omap_clk_get(s->timer.clk); |
369 |
s->mode = 1;
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370 |
s->free = 1;
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s->reset = 0;
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s->timer.enable = 1;
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373 |
s->timer.it_ena = 1;
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s->timer.reset_val = 0xffff;
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s->timer.val = 0;
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376 |
s->timer.st = 0;
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377 |
s->timer.ptv = 0;
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378 |
s->timer.ar = 0;
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379 |
omap_timer_update(&s->timer); |
380 |
} |
381 |
|
382 |
static struct omap_watchdog_timer_s *omap_wd_timer_init(MemoryRegion *memory, |
383 |
hwaddr base, |
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qemu_irq irq, omap_clk clk) |
385 |
{ |
386 |
struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) |
387 |
g_malloc0(sizeof(struct omap_watchdog_timer_s)); |
388 |
|
389 |
s->timer.irq = irq; |
390 |
s->timer.clk = clk; |
391 |
s->timer.timer = qemu_new_timer_ns(vm_clock, omap_timer_tick, &s->timer); |
392 |
omap_wd_timer_reset(s); |
393 |
omap_timer_clk_setup(&s->timer); |
394 |
|
395 |
memory_region_init_io(&s->iomem, &omap_wd_timer_ops, s, |
396 |
"omap-wd-timer", 0x100); |
397 |
memory_region_add_subregion(memory, base, &s->iomem); |
398 |
|
399 |
return s;
|
400 |
} |
401 |
|
402 |
/* 32-kHz timer */
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403 |
struct omap_32khz_timer_s {
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404 |
struct omap_mpu_timer_s timer;
|
405 |
MemoryRegion iomem; |
406 |
}; |
407 |
|
408 |
static uint64_t omap_os_timer_read(void *opaque, hwaddr addr, |
409 |
unsigned size)
|
410 |
{ |
411 |
struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque; |
412 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
413 |
|
414 |
if (size != 4) { |
415 |
return omap_badwidth_read32(opaque, addr);
|
416 |
} |
417 |
|
418 |
switch (offset) {
|
419 |
case 0x00: /* TVR */ |
420 |
return s->timer.reset_val;
|
421 |
|
422 |
case 0x04: /* TCR */ |
423 |
return omap_timer_read(&s->timer);
|
424 |
|
425 |
case 0x08: /* CR */ |
426 |
return (s->timer.ar << 3) | (s->timer.it_ena << 2) | s->timer.st; |
427 |
|
428 |
default:
|
429 |
break;
|
430 |
} |
431 |
OMAP_BAD_REG(addr); |
432 |
return 0; |
433 |
} |
434 |
|
435 |
static void omap_os_timer_write(void *opaque, hwaddr addr, |
436 |
uint64_t value, unsigned size)
|
437 |
{ |
438 |
struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque; |
439 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
440 |
|
441 |
if (size != 4) { |
442 |
return omap_badwidth_write32(opaque, addr, value);
|
443 |
} |
444 |
|
445 |
switch (offset) {
|
446 |
case 0x00: /* TVR */ |
447 |
s->timer.reset_val = value & 0x00ffffff;
|
448 |
break;
|
449 |
|
450 |
case 0x04: /* TCR */ |
451 |
OMAP_RO_REG(addr); |
452 |
break;
|
453 |
|
454 |
case 0x08: /* CR */ |
455 |
s->timer.ar = (value >> 3) & 1; |
456 |
s->timer.it_ena = (value >> 2) & 1; |
457 |
if (s->timer.st != (value & 1) || (value & 2)) { |
458 |
omap_timer_sync(&s->timer); |
459 |
s->timer.enable = value & 1;
|
460 |
s->timer.st = value & 1;
|
461 |
omap_timer_update(&s->timer); |
462 |
} |
463 |
break;
|
464 |
|
465 |
default:
|
466 |
OMAP_BAD_REG(addr); |
467 |
} |
468 |
} |
469 |
|
470 |
static const MemoryRegionOps omap_os_timer_ops = { |
471 |
.read = omap_os_timer_read, |
472 |
.write = omap_os_timer_write, |
473 |
.endianness = DEVICE_NATIVE_ENDIAN, |
474 |
}; |
475 |
|
476 |
static void omap_os_timer_reset(struct omap_32khz_timer_s *s) |
477 |
{ |
478 |
qemu_del_timer(s->timer.timer); |
479 |
s->timer.enable = 0;
|
480 |
s->timer.it_ena = 0;
|
481 |
s->timer.reset_val = 0x00ffffff;
|
482 |
s->timer.val = 0;
|
483 |
s->timer.st = 0;
|
484 |
s->timer.ptv = 0;
|
485 |
s->timer.ar = 1;
|
486 |
} |
487 |
|
488 |
static struct omap_32khz_timer_s *omap_os_timer_init(MemoryRegion *memory, |
489 |
hwaddr base, |
490 |
qemu_irq irq, omap_clk clk) |
491 |
{ |
492 |
struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) |
493 |
g_malloc0(sizeof(struct omap_32khz_timer_s)); |
494 |
|
495 |
s->timer.irq = irq; |
496 |
s->timer.clk = clk; |
497 |
s->timer.timer = qemu_new_timer_ns(vm_clock, omap_timer_tick, &s->timer); |
498 |
omap_os_timer_reset(s); |
499 |
omap_timer_clk_setup(&s->timer); |
500 |
|
501 |
memory_region_init_io(&s->iomem, &omap_os_timer_ops, s, |
502 |
"omap-os-timer", 0x800); |
503 |
memory_region_add_subregion(memory, base, &s->iomem); |
504 |
|
505 |
return s;
|
506 |
} |
507 |
|
508 |
/* Ultra Low-Power Device Module */
|
509 |
static uint64_t omap_ulpd_pm_read(void *opaque, hwaddr addr, |
510 |
unsigned size)
|
511 |
{ |
512 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
513 |
uint16_t ret; |
514 |
|
515 |
if (size != 2) { |
516 |
return omap_badwidth_read16(opaque, addr);
|
517 |
} |
518 |
|
519 |
switch (addr) {
|
520 |
case 0x14: /* IT_STATUS */ |
521 |
ret = s->ulpd_pm_regs[addr >> 2];
|
522 |
s->ulpd_pm_regs[addr >> 2] = 0; |
523 |
qemu_irq_lower(qdev_get_gpio_in(s->ih[1], OMAP_INT_GAUGE_32K));
|
524 |
return ret;
|
525 |
|
526 |
case 0x18: /* Reserved */ |
527 |
case 0x1c: /* Reserved */ |
528 |
case 0x20: /* Reserved */ |
529 |
case 0x28: /* Reserved */ |
530 |
case 0x2c: /* Reserved */ |
531 |
OMAP_BAD_REG(addr); |
532 |
case 0x00: /* COUNTER_32_LSB */ |
533 |
case 0x04: /* COUNTER_32_MSB */ |
534 |
case 0x08: /* COUNTER_HIGH_FREQ_LSB */ |
535 |
case 0x0c: /* COUNTER_HIGH_FREQ_MSB */ |
536 |
case 0x10: /* GAUGING_CTRL */ |
537 |
case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */ |
538 |
case 0x30: /* CLOCK_CTRL */ |
539 |
case 0x34: /* SOFT_REQ */ |
540 |
case 0x38: /* COUNTER_32_FIQ */ |
541 |
case 0x3c: /* DPLL_CTRL */ |
542 |
case 0x40: /* STATUS_REQ */ |
543 |
/* XXX: check clk::usecount state for every clock */
|
544 |
case 0x48: /* LOCL_TIME */ |
545 |
case 0x4c: /* APLL_CTRL */ |
546 |
case 0x50: /* POWER_CTRL */ |
547 |
return s->ulpd_pm_regs[addr >> 2]; |
548 |
} |
549 |
|
550 |
OMAP_BAD_REG(addr); |
551 |
return 0; |
552 |
} |
553 |
|
554 |
static inline void omap_ulpd_clk_update(struct omap_mpu_state_s *s, |
555 |
uint16_t diff, uint16_t value) |
556 |
{ |
557 |
if (diff & (1 << 4)) /* USB_MCLK_EN */ |
558 |
omap_clk_onoff(omap_findclk(s, "usb_clk0"), (value >> 4) & 1); |
559 |
if (diff & (1 << 5)) /* DIS_USB_PVCI_CLK */ |
560 |
omap_clk_onoff(omap_findclk(s, "usb_w2fc_ck"), (~value >> 5) & 1); |
561 |
} |
562 |
|
563 |
static inline void omap_ulpd_req_update(struct omap_mpu_state_s *s, |
564 |
uint16_t diff, uint16_t value) |
565 |
{ |
566 |
if (diff & (1 << 0)) /* SOFT_DPLL_REQ */ |
567 |
omap_clk_canidle(omap_findclk(s, "dpll4"), (~value >> 0) & 1); |
568 |
if (diff & (1 << 1)) /* SOFT_COM_REQ */ |
569 |
omap_clk_canidle(omap_findclk(s, "com_mclk_out"), (~value >> 1) & 1); |
570 |
if (diff & (1 << 2)) /* SOFT_SDW_REQ */ |
571 |
omap_clk_canidle(omap_findclk(s, "bt_mclk_out"), (~value >> 2) & 1); |
572 |
if (diff & (1 << 3)) /* SOFT_USB_REQ */ |
573 |
omap_clk_canidle(omap_findclk(s, "usb_clk0"), (~value >> 3) & 1); |
574 |
} |
575 |
|
576 |
static void omap_ulpd_pm_write(void *opaque, hwaddr addr, |
577 |
uint64_t value, unsigned size)
|
578 |
{ |
579 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
580 |
int64_t now, ticks; |
581 |
int div, mult;
|
582 |
static const int bypass_div[4] = { 1, 2, 4, 4 }; |
583 |
uint16_t diff; |
584 |
|
585 |
if (size != 2) { |
586 |
return omap_badwidth_write16(opaque, addr, value);
|
587 |
} |
588 |
|
589 |
switch (addr) {
|
590 |
case 0x00: /* COUNTER_32_LSB */ |
591 |
case 0x04: /* COUNTER_32_MSB */ |
592 |
case 0x08: /* COUNTER_HIGH_FREQ_LSB */ |
593 |
case 0x0c: /* COUNTER_HIGH_FREQ_MSB */ |
594 |
case 0x14: /* IT_STATUS */ |
595 |
case 0x40: /* STATUS_REQ */ |
596 |
OMAP_RO_REG(addr); |
597 |
break;
|
598 |
|
599 |
case 0x10: /* GAUGING_CTRL */ |
600 |
/* Bits 0 and 1 seem to be confused in the OMAP 310 TRM */
|
601 |
if ((s->ulpd_pm_regs[addr >> 2] ^ value) & 1) { |
602 |
now = qemu_get_clock_ns(vm_clock); |
603 |
|
604 |
if (value & 1) |
605 |
s->ulpd_gauge_start = now; |
606 |
else {
|
607 |
now -= s->ulpd_gauge_start; |
608 |
|
609 |
/* 32-kHz ticks */
|
610 |
ticks = muldiv64(now, 32768, get_ticks_per_sec());
|
611 |
s->ulpd_pm_regs[0x00 >> 2] = (ticks >> 0) & 0xffff; |
612 |
s->ulpd_pm_regs[0x04 >> 2] = (ticks >> 16) & 0xffff; |
613 |
if (ticks >> 32) /* OVERFLOW_32K */ |
614 |
s->ulpd_pm_regs[0x14 >> 2] |= 1 << 2; |
615 |
|
616 |
/* High frequency ticks */
|
617 |
ticks = muldiv64(now, 12000000, get_ticks_per_sec());
|
618 |
s->ulpd_pm_regs[0x08 >> 2] = (ticks >> 0) & 0xffff; |
619 |
s->ulpd_pm_regs[0x0c >> 2] = (ticks >> 16) & 0xffff; |
620 |
if (ticks >> 32) /* OVERFLOW_HI_FREQ */ |
621 |
s->ulpd_pm_regs[0x14 >> 2] |= 1 << 1; |
622 |
|
623 |
s->ulpd_pm_regs[0x14 >> 2] |= 1 << 0; /* IT_GAUGING */ |
624 |
qemu_irq_raise(qdev_get_gpio_in(s->ih[1], OMAP_INT_GAUGE_32K));
|
625 |
} |
626 |
} |
627 |
s->ulpd_pm_regs[addr >> 2] = value;
|
628 |
break;
|
629 |
|
630 |
case 0x18: /* Reserved */ |
631 |
case 0x1c: /* Reserved */ |
632 |
case 0x20: /* Reserved */ |
633 |
case 0x28: /* Reserved */ |
634 |
case 0x2c: /* Reserved */ |
635 |
OMAP_BAD_REG(addr); |
636 |
case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */ |
637 |
case 0x38: /* COUNTER_32_FIQ */ |
638 |
case 0x48: /* LOCL_TIME */ |
639 |
case 0x50: /* POWER_CTRL */ |
640 |
s->ulpd_pm_regs[addr >> 2] = value;
|
641 |
break;
|
642 |
|
643 |
case 0x30: /* CLOCK_CTRL */ |
644 |
diff = s->ulpd_pm_regs[addr >> 2] ^ value;
|
645 |
s->ulpd_pm_regs[addr >> 2] = value & 0x3f; |
646 |
omap_ulpd_clk_update(s, diff, value); |
647 |
break;
|
648 |
|
649 |
case 0x34: /* SOFT_REQ */ |
650 |
diff = s->ulpd_pm_regs[addr >> 2] ^ value;
|
651 |
s->ulpd_pm_regs[addr >> 2] = value & 0x1f; |
652 |
omap_ulpd_req_update(s, diff, value); |
653 |
break;
|
654 |
|
655 |
case 0x3c: /* DPLL_CTRL */ |
656 |
/* XXX: OMAP310 TRM claims bit 3 is PLL_ENABLE, and bit 4 is
|
657 |
* omitted altogether, probably a typo. */
|
658 |
/* This register has identical semantics with DPLL(1:3) control
|
659 |
* registers, see omap_dpll_write() */
|
660 |
diff = s->ulpd_pm_regs[addr >> 2] & value;
|
661 |
s->ulpd_pm_regs[addr >> 2] = value & 0x2fff; |
662 |
if (diff & (0x3ff << 2)) { |
663 |
if (value & (1 << 4)) { /* PLL_ENABLE */ |
664 |
div = ((value >> 5) & 3) + 1; /* PLL_DIV */ |
665 |
mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */ |
666 |
} else {
|
667 |
div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */ |
668 |
mult = 1;
|
669 |
} |
670 |
omap_clk_setrate(omap_findclk(s, "dpll4"), div, mult);
|
671 |
} |
672 |
|
673 |
/* Enter the desired mode. */
|
674 |
s->ulpd_pm_regs[addr >> 2] =
|
675 |
(s->ulpd_pm_regs[addr >> 2] & 0xfffe) | |
676 |
((s->ulpd_pm_regs[addr >> 2] >> 4) & 1); |
677 |
|
678 |
/* Act as if the lock is restored. */
|
679 |
s->ulpd_pm_regs[addr >> 2] |= 2; |
680 |
break;
|
681 |
|
682 |
case 0x4c: /* APLL_CTRL */ |
683 |
diff = s->ulpd_pm_regs[addr >> 2] & value;
|
684 |
s->ulpd_pm_regs[addr >> 2] = value & 0xf; |
685 |
if (diff & (1 << 0)) /* APLL_NDPLL_SWITCH */ |
686 |
omap_clk_reparent(omap_findclk(s, "ck_48m"), omap_findclk(s,
|
687 |
(value & (1 << 0)) ? "apll" : "dpll4")); |
688 |
break;
|
689 |
|
690 |
default:
|
691 |
OMAP_BAD_REG(addr); |
692 |
} |
693 |
} |
694 |
|
695 |
static const MemoryRegionOps omap_ulpd_pm_ops = { |
696 |
.read = omap_ulpd_pm_read, |
697 |
.write = omap_ulpd_pm_write, |
698 |
.endianness = DEVICE_NATIVE_ENDIAN, |
699 |
}; |
700 |
|
701 |
static void omap_ulpd_pm_reset(struct omap_mpu_state_s *mpu) |
702 |
{ |
703 |
mpu->ulpd_pm_regs[0x00 >> 2] = 0x0001; |
704 |
mpu->ulpd_pm_regs[0x04 >> 2] = 0x0000; |
705 |
mpu->ulpd_pm_regs[0x08 >> 2] = 0x0001; |
706 |
mpu->ulpd_pm_regs[0x0c >> 2] = 0x0000; |
707 |
mpu->ulpd_pm_regs[0x10 >> 2] = 0x0000; |
708 |
mpu->ulpd_pm_regs[0x18 >> 2] = 0x01; |
709 |
mpu->ulpd_pm_regs[0x1c >> 2] = 0x01; |
710 |
mpu->ulpd_pm_regs[0x20 >> 2] = 0x01; |
711 |
mpu->ulpd_pm_regs[0x24 >> 2] = 0x03ff; |
712 |
mpu->ulpd_pm_regs[0x28 >> 2] = 0x01; |
713 |
mpu->ulpd_pm_regs[0x2c >> 2] = 0x01; |
714 |
omap_ulpd_clk_update(mpu, mpu->ulpd_pm_regs[0x30 >> 2], 0x0000); |
715 |
mpu->ulpd_pm_regs[0x30 >> 2] = 0x0000; |
716 |
omap_ulpd_req_update(mpu, mpu->ulpd_pm_regs[0x34 >> 2], 0x0000); |
717 |
mpu->ulpd_pm_regs[0x34 >> 2] = 0x0000; |
718 |
mpu->ulpd_pm_regs[0x38 >> 2] = 0x0001; |
719 |
mpu->ulpd_pm_regs[0x3c >> 2] = 0x2211; |
720 |
mpu->ulpd_pm_regs[0x40 >> 2] = 0x0000; /* FIXME: dump a real STATUS_REQ */ |
721 |
mpu->ulpd_pm_regs[0x48 >> 2] = 0x960; |
722 |
mpu->ulpd_pm_regs[0x4c >> 2] = 0x08; |
723 |
mpu->ulpd_pm_regs[0x50 >> 2] = 0x08; |
724 |
omap_clk_setrate(omap_findclk(mpu, "dpll4"), 1, 4); |
725 |
omap_clk_reparent(omap_findclk(mpu, "ck_48m"), omap_findclk(mpu, "dpll4")); |
726 |
} |
727 |
|
728 |
static void omap_ulpd_pm_init(MemoryRegion *system_memory, |
729 |
hwaddr base, |
730 |
struct omap_mpu_state_s *mpu)
|
731 |
{ |
732 |
memory_region_init_io(&mpu->ulpd_pm_iomem, &omap_ulpd_pm_ops, mpu, |
733 |
"omap-ulpd-pm", 0x800); |
734 |
memory_region_add_subregion(system_memory, base, &mpu->ulpd_pm_iomem); |
735 |
omap_ulpd_pm_reset(mpu); |
736 |
} |
737 |
|
738 |
/* OMAP Pin Configuration */
|
739 |
static uint64_t omap_pin_cfg_read(void *opaque, hwaddr addr, |
740 |
unsigned size)
|
741 |
{ |
742 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
743 |
|
744 |
if (size != 4) { |
745 |
return omap_badwidth_read32(opaque, addr);
|
746 |
} |
747 |
|
748 |
switch (addr) {
|
749 |
case 0x00: /* FUNC_MUX_CTRL_0 */ |
750 |
case 0x04: /* FUNC_MUX_CTRL_1 */ |
751 |
case 0x08: /* FUNC_MUX_CTRL_2 */ |
752 |
return s->func_mux_ctrl[addr >> 2]; |
753 |
|
754 |
case 0x0c: /* COMP_MODE_CTRL_0 */ |
755 |
return s->comp_mode_ctrl[0]; |
756 |
|
757 |
case 0x10: /* FUNC_MUX_CTRL_3 */ |
758 |
case 0x14: /* FUNC_MUX_CTRL_4 */ |
759 |
case 0x18: /* FUNC_MUX_CTRL_5 */ |
760 |
case 0x1c: /* FUNC_MUX_CTRL_6 */ |
761 |
case 0x20: /* FUNC_MUX_CTRL_7 */ |
762 |
case 0x24: /* FUNC_MUX_CTRL_8 */ |
763 |
case 0x28: /* FUNC_MUX_CTRL_9 */ |
764 |
case 0x2c: /* FUNC_MUX_CTRL_A */ |
765 |
case 0x30: /* FUNC_MUX_CTRL_B */ |
766 |
case 0x34: /* FUNC_MUX_CTRL_C */ |
767 |
case 0x38: /* FUNC_MUX_CTRL_D */ |
768 |
return s->func_mux_ctrl[(addr >> 2) - 1]; |
769 |
|
770 |
case 0x40: /* PULL_DWN_CTRL_0 */ |
771 |
case 0x44: /* PULL_DWN_CTRL_1 */ |
772 |
case 0x48: /* PULL_DWN_CTRL_2 */ |
773 |
case 0x4c: /* PULL_DWN_CTRL_3 */ |
774 |
return s->pull_dwn_ctrl[(addr & 0xf) >> 2]; |
775 |
|
776 |
case 0x50: /* GATE_INH_CTRL_0 */ |
777 |
return s->gate_inh_ctrl[0]; |
778 |
|
779 |
case 0x60: /* VOLTAGE_CTRL_0 */ |
780 |
return s->voltage_ctrl[0]; |
781 |
|
782 |
case 0x70: /* TEST_DBG_CTRL_0 */ |
783 |
return s->test_dbg_ctrl[0]; |
784 |
|
785 |
case 0x80: /* MOD_CONF_CTRL_0 */ |
786 |
return s->mod_conf_ctrl[0]; |
787 |
} |
788 |
|
789 |
OMAP_BAD_REG(addr); |
790 |
return 0; |
791 |
} |
792 |
|
793 |
static inline void omap_pin_funcmux0_update(struct omap_mpu_state_s *s, |
794 |
uint32_t diff, uint32_t value) |
795 |
{ |
796 |
if (s->compat1509) {
|
797 |
if (diff & (1 << 9)) /* BLUETOOTH */ |
798 |
omap_clk_onoff(omap_findclk(s, "bt_mclk_out"),
|
799 |
(~value >> 9) & 1); |
800 |
if (diff & (1 << 7)) /* USB.CLKO */ |
801 |
omap_clk_onoff(omap_findclk(s, "usb.clko"),
|
802 |
(value >> 7) & 1); |
803 |
} |
804 |
} |
805 |
|
806 |
static inline void omap_pin_funcmux1_update(struct omap_mpu_state_s *s, |
807 |
uint32_t diff, uint32_t value) |
808 |
{ |
809 |
if (s->compat1509) {
|
810 |
if (diff & (1 << 31)) /* MCBSP3_CLK_HIZ_DI */ |
811 |
omap_clk_onoff(omap_findclk(s, "mcbsp3.clkx"),
|
812 |
(value >> 31) & 1); |
813 |
if (diff & (1 << 1)) /* CLK32K */ |
814 |
omap_clk_onoff(omap_findclk(s, "clk32k_out"),
|
815 |
(~value >> 1) & 1); |
816 |
} |
817 |
} |
818 |
|
819 |
static inline void omap_pin_modconf1_update(struct omap_mpu_state_s *s, |
820 |
uint32_t diff, uint32_t value) |
821 |
{ |
822 |
if (diff & (1 << 31)) /* CONF_MOD_UART3_CLK_MODE_R */ |
823 |
omap_clk_reparent(omap_findclk(s, "uart3_ck"),
|
824 |
omap_findclk(s, ((value >> 31) & 1) ? |
825 |
"ck_48m" : "armper_ck")); |
826 |
if (diff & (1 << 30)) /* CONF_MOD_UART2_CLK_MODE_R */ |
827 |
omap_clk_reparent(omap_findclk(s, "uart2_ck"),
|
828 |
omap_findclk(s, ((value >> 30) & 1) ? |
829 |
"ck_48m" : "armper_ck")); |
830 |
if (diff & (1 << 29)) /* CONF_MOD_UART1_CLK_MODE_R */ |
831 |
omap_clk_reparent(omap_findclk(s, "uart1_ck"),
|
832 |
omap_findclk(s, ((value >> 29) & 1) ? |
833 |
"ck_48m" : "armper_ck")); |
834 |
if (diff & (1 << 23)) /* CONF_MOD_MMC_SD_CLK_REQ_R */ |
835 |
omap_clk_reparent(omap_findclk(s, "mmc_ck"),
|
836 |
omap_findclk(s, ((value >> 23) & 1) ? |
837 |
"ck_48m" : "armper_ck")); |
838 |
if (diff & (1 << 12)) /* CONF_MOD_COM_MCLK_12_48_S */ |
839 |
omap_clk_reparent(omap_findclk(s, "com_mclk_out"),
|
840 |
omap_findclk(s, ((value >> 12) & 1) ? |
841 |
"ck_48m" : "armper_ck")); |
842 |
if (diff & (1 << 9)) /* CONF_MOD_USB_HOST_HHC_UHO */ |
843 |
omap_clk_onoff(omap_findclk(s, "usb_hhc_ck"), (value >> 9) & 1); |
844 |
} |
845 |
|
846 |
static void omap_pin_cfg_write(void *opaque, hwaddr addr, |
847 |
uint64_t value, unsigned size)
|
848 |
{ |
849 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
850 |
uint32_t diff; |
851 |
|
852 |
if (size != 4) { |
853 |
return omap_badwidth_write32(opaque, addr, value);
|
854 |
} |
855 |
|
856 |
switch (addr) {
|
857 |
case 0x00: /* FUNC_MUX_CTRL_0 */ |
858 |
diff = s->func_mux_ctrl[addr >> 2] ^ value;
|
859 |
s->func_mux_ctrl[addr >> 2] = value;
|
860 |
omap_pin_funcmux0_update(s, diff, value); |
861 |
return;
|
862 |
|
863 |
case 0x04: /* FUNC_MUX_CTRL_1 */ |
864 |
diff = s->func_mux_ctrl[addr >> 2] ^ value;
|
865 |
s->func_mux_ctrl[addr >> 2] = value;
|
866 |
omap_pin_funcmux1_update(s, diff, value); |
867 |
return;
|
868 |
|
869 |
case 0x08: /* FUNC_MUX_CTRL_2 */ |
870 |
s->func_mux_ctrl[addr >> 2] = value;
|
871 |
return;
|
872 |
|
873 |
case 0x0c: /* COMP_MODE_CTRL_0 */ |
874 |
s->comp_mode_ctrl[0] = value;
|
875 |
s->compat1509 = (value != 0x0000eaef);
|
876 |
omap_pin_funcmux0_update(s, ~0, s->func_mux_ctrl[0]); |
877 |
omap_pin_funcmux1_update(s, ~0, s->func_mux_ctrl[1]); |
878 |
return;
|
879 |
|
880 |
case 0x10: /* FUNC_MUX_CTRL_3 */ |
881 |
case 0x14: /* FUNC_MUX_CTRL_4 */ |
882 |
case 0x18: /* FUNC_MUX_CTRL_5 */ |
883 |
case 0x1c: /* FUNC_MUX_CTRL_6 */ |
884 |
case 0x20: /* FUNC_MUX_CTRL_7 */ |
885 |
case 0x24: /* FUNC_MUX_CTRL_8 */ |
886 |
case 0x28: /* FUNC_MUX_CTRL_9 */ |
887 |
case 0x2c: /* FUNC_MUX_CTRL_A */ |
888 |
case 0x30: /* FUNC_MUX_CTRL_B */ |
889 |
case 0x34: /* FUNC_MUX_CTRL_C */ |
890 |
case 0x38: /* FUNC_MUX_CTRL_D */ |
891 |
s->func_mux_ctrl[(addr >> 2) - 1] = value; |
892 |
return;
|
893 |
|
894 |
case 0x40: /* PULL_DWN_CTRL_0 */ |
895 |
case 0x44: /* PULL_DWN_CTRL_1 */ |
896 |
case 0x48: /* PULL_DWN_CTRL_2 */ |
897 |
case 0x4c: /* PULL_DWN_CTRL_3 */ |
898 |
s->pull_dwn_ctrl[(addr & 0xf) >> 2] = value; |
899 |
return;
|
900 |
|
901 |
case 0x50: /* GATE_INH_CTRL_0 */ |
902 |
s->gate_inh_ctrl[0] = value;
|
903 |
return;
|
904 |
|
905 |
case 0x60: /* VOLTAGE_CTRL_0 */ |
906 |
s->voltage_ctrl[0] = value;
|
907 |
return;
|
908 |
|
909 |
case 0x70: /* TEST_DBG_CTRL_0 */ |
910 |
s->test_dbg_ctrl[0] = value;
|
911 |
return;
|
912 |
|
913 |
case 0x80: /* MOD_CONF_CTRL_0 */ |
914 |
diff = s->mod_conf_ctrl[0] ^ value;
|
915 |
s->mod_conf_ctrl[0] = value;
|
916 |
omap_pin_modconf1_update(s, diff, value); |
917 |
return;
|
918 |
|
919 |
default:
|
920 |
OMAP_BAD_REG(addr); |
921 |
} |
922 |
} |
923 |
|
924 |
static const MemoryRegionOps omap_pin_cfg_ops = { |
925 |
.read = omap_pin_cfg_read, |
926 |
.write = omap_pin_cfg_write, |
927 |
.endianness = DEVICE_NATIVE_ENDIAN, |
928 |
}; |
929 |
|
930 |
static void omap_pin_cfg_reset(struct omap_mpu_state_s *mpu) |
931 |
{ |
932 |
/* Start in Compatibility Mode. */
|
933 |
mpu->compat1509 = 1;
|
934 |
omap_pin_funcmux0_update(mpu, mpu->func_mux_ctrl[0], 0); |
935 |
omap_pin_funcmux1_update(mpu, mpu->func_mux_ctrl[1], 0); |
936 |
omap_pin_modconf1_update(mpu, mpu->mod_conf_ctrl[0], 0); |
937 |
memset(mpu->func_mux_ctrl, 0, sizeof(mpu->func_mux_ctrl)); |
938 |
memset(mpu->comp_mode_ctrl, 0, sizeof(mpu->comp_mode_ctrl)); |
939 |
memset(mpu->pull_dwn_ctrl, 0, sizeof(mpu->pull_dwn_ctrl)); |
940 |
memset(mpu->gate_inh_ctrl, 0, sizeof(mpu->gate_inh_ctrl)); |
941 |
memset(mpu->voltage_ctrl, 0, sizeof(mpu->voltage_ctrl)); |
942 |
memset(mpu->test_dbg_ctrl, 0, sizeof(mpu->test_dbg_ctrl)); |
943 |
memset(mpu->mod_conf_ctrl, 0, sizeof(mpu->mod_conf_ctrl)); |
944 |
} |
945 |
|
946 |
static void omap_pin_cfg_init(MemoryRegion *system_memory, |
947 |
hwaddr base, |
948 |
struct omap_mpu_state_s *mpu)
|
949 |
{ |
950 |
memory_region_init_io(&mpu->pin_cfg_iomem, &omap_pin_cfg_ops, mpu, |
951 |
"omap-pin-cfg", 0x800); |
952 |
memory_region_add_subregion(system_memory, base, &mpu->pin_cfg_iomem); |
953 |
omap_pin_cfg_reset(mpu); |
954 |
} |
955 |
|
956 |
/* Device Identification, Die Identification */
|
957 |
static uint64_t omap_id_read(void *opaque, hwaddr addr, |
958 |
unsigned size)
|
959 |
{ |
960 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
961 |
|
962 |
if (size != 4) { |
963 |
return omap_badwidth_read32(opaque, addr);
|
964 |
} |
965 |
|
966 |
switch (addr) {
|
967 |
case 0xfffe1800: /* DIE_ID_LSB */ |
968 |
return 0xc9581f0e; |
969 |
case 0xfffe1804: /* DIE_ID_MSB */ |
970 |
return 0xa8858bfa; |
971 |
|
972 |
case 0xfffe2000: /* PRODUCT_ID_LSB */ |
973 |
return 0x00aaaafc; |
974 |
case 0xfffe2004: /* PRODUCT_ID_MSB */ |
975 |
return 0xcafeb574; |
976 |
|
977 |
case 0xfffed400: /* JTAG_ID_LSB */ |
978 |
switch (s->mpu_model) {
|
979 |
case omap310:
|
980 |
return 0x03310315; |
981 |
case omap1510:
|
982 |
return 0x03310115; |
983 |
default:
|
984 |
hw_error("%s: bad mpu model\n", __FUNCTION__);
|
985 |
} |
986 |
break;
|
987 |
|
988 |
case 0xfffed404: /* JTAG_ID_MSB */ |
989 |
switch (s->mpu_model) {
|
990 |
case omap310:
|
991 |
return 0xfb57402f; |
992 |
case omap1510:
|
993 |
return 0xfb47002f; |
994 |
default:
|
995 |
hw_error("%s: bad mpu model\n", __FUNCTION__);
|
996 |
} |
997 |
break;
|
998 |
} |
999 |
|
1000 |
OMAP_BAD_REG(addr); |
1001 |
return 0; |
1002 |
} |
1003 |
|
1004 |
static void omap_id_write(void *opaque, hwaddr addr, |
1005 |
uint64_t value, unsigned size)
|
1006 |
{ |
1007 |
if (size != 4) { |
1008 |
return omap_badwidth_write32(opaque, addr, value);
|
1009 |
} |
1010 |
|
1011 |
OMAP_BAD_REG(addr); |
1012 |
} |
1013 |
|
1014 |
static const MemoryRegionOps omap_id_ops = { |
1015 |
.read = omap_id_read, |
1016 |
.write = omap_id_write, |
1017 |
.endianness = DEVICE_NATIVE_ENDIAN, |
1018 |
}; |
1019 |
|
1020 |
static void omap_id_init(MemoryRegion *memory, struct omap_mpu_state_s *mpu) |
1021 |
{ |
1022 |
memory_region_init_io(&mpu->id_iomem, &omap_id_ops, mpu, |
1023 |
"omap-id", 0x100000000ULL); |
1024 |
memory_region_init_alias(&mpu->id_iomem_e18, "omap-id-e18", &mpu->id_iomem,
|
1025 |
0xfffe1800, 0x800); |
1026 |
memory_region_add_subregion(memory, 0xfffe1800, &mpu->id_iomem_e18);
|
1027 |
memory_region_init_alias(&mpu->id_iomem_ed4, "omap-id-ed4", &mpu->id_iomem,
|
1028 |
0xfffed400, 0x100); |
1029 |
memory_region_add_subregion(memory, 0xfffed400, &mpu->id_iomem_ed4);
|
1030 |
if (!cpu_is_omap15xx(mpu)) {
|
1031 |
memory_region_init_alias(&mpu->id_iomem_ed4, "omap-id-e20",
|
1032 |
&mpu->id_iomem, 0xfffe2000, 0x800); |
1033 |
memory_region_add_subregion(memory, 0xfffe2000, &mpu->id_iomem_e20);
|
1034 |
} |
1035 |
} |
1036 |
|
1037 |
/* MPUI Control (Dummy) */
|
1038 |
static uint64_t omap_mpui_read(void *opaque, hwaddr addr, |
1039 |
unsigned size)
|
1040 |
{ |
1041 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
1042 |
|
1043 |
if (size != 4) { |
1044 |
return omap_badwidth_read32(opaque, addr);
|
1045 |
} |
1046 |
|
1047 |
switch (addr) {
|
1048 |
case 0x00: /* CTRL */ |
1049 |
return s->mpui_ctrl;
|
1050 |
case 0x04: /* DEBUG_ADDR */ |
1051 |
return 0x01ffffff; |
1052 |
case 0x08: /* DEBUG_DATA */ |
1053 |
return 0xffffffff; |
1054 |
case 0x0c: /* DEBUG_FLAG */ |
1055 |
return 0x00000800; |
1056 |
case 0x10: /* STATUS */ |
1057 |
return 0x00000000; |
1058 |
|
1059 |
/* Not in OMAP310 */
|
1060 |
case 0x14: /* DSP_STATUS */ |
1061 |
case 0x18: /* DSP_BOOT_CONFIG */ |
1062 |
return 0x00000000; |
1063 |
case 0x1c: /* DSP_MPUI_CONFIG */ |
1064 |
return 0x0000ffff; |
1065 |
} |
1066 |
|
1067 |
OMAP_BAD_REG(addr); |
1068 |
return 0; |
1069 |
} |
1070 |
|
1071 |
static void omap_mpui_write(void *opaque, hwaddr addr, |
1072 |
uint64_t value, unsigned size)
|
1073 |
{ |
1074 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
1075 |
|
1076 |
if (size != 4) { |
1077 |
return omap_badwidth_write32(opaque, addr, value);
|
1078 |
} |
1079 |
|
1080 |
switch (addr) {
|
1081 |
case 0x00: /* CTRL */ |
1082 |
s->mpui_ctrl = value & 0x007fffff;
|
1083 |
break;
|
1084 |
|
1085 |
case 0x04: /* DEBUG_ADDR */ |
1086 |
case 0x08: /* DEBUG_DATA */ |
1087 |
case 0x0c: /* DEBUG_FLAG */ |
1088 |
case 0x10: /* STATUS */ |
1089 |
/* Not in OMAP310 */
|
1090 |
case 0x14: /* DSP_STATUS */ |
1091 |
OMAP_RO_REG(addr); |
1092 |
case 0x18: /* DSP_BOOT_CONFIG */ |
1093 |
case 0x1c: /* DSP_MPUI_CONFIG */ |
1094 |
break;
|
1095 |
|
1096 |
default:
|
1097 |
OMAP_BAD_REG(addr); |
1098 |
} |
1099 |
} |
1100 |
|
1101 |
static const MemoryRegionOps omap_mpui_ops = { |
1102 |
.read = omap_mpui_read, |
1103 |
.write = omap_mpui_write, |
1104 |
.endianness = DEVICE_NATIVE_ENDIAN, |
1105 |
}; |
1106 |
|
1107 |
static void omap_mpui_reset(struct omap_mpu_state_s *s) |
1108 |
{ |
1109 |
s->mpui_ctrl = 0x0003ff1b;
|
1110 |
} |
1111 |
|
1112 |
static void omap_mpui_init(MemoryRegion *memory, hwaddr base, |
1113 |
struct omap_mpu_state_s *mpu)
|
1114 |
{ |
1115 |
memory_region_init_io(&mpu->mpui_iomem, &omap_mpui_ops, mpu, |
1116 |
"omap-mpui", 0x100); |
1117 |
memory_region_add_subregion(memory, base, &mpu->mpui_iomem); |
1118 |
|
1119 |
omap_mpui_reset(mpu); |
1120 |
} |
1121 |
|
1122 |
/* TIPB Bridges */
|
1123 |
struct omap_tipb_bridge_s {
|
1124 |
qemu_irq abort; |
1125 |
MemoryRegion iomem; |
1126 |
|
1127 |
int width_intr;
|
1128 |
uint16_t control; |
1129 |
uint16_t alloc; |
1130 |
uint16_t buffer; |
1131 |
uint16_t enh_control; |
1132 |
}; |
1133 |
|
1134 |
static uint64_t omap_tipb_bridge_read(void *opaque, hwaddr addr, |
1135 |
unsigned size)
|
1136 |
{ |
1137 |
struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque; |
1138 |
|
1139 |
if (size < 2) { |
1140 |
return omap_badwidth_read16(opaque, addr);
|
1141 |
} |
1142 |
|
1143 |
switch (addr) {
|
1144 |
case 0x00: /* TIPB_CNTL */ |
1145 |
return s->control;
|
1146 |
case 0x04: /* TIPB_BUS_ALLOC */ |
1147 |
return s->alloc;
|
1148 |
case 0x08: /* MPU_TIPB_CNTL */ |
1149 |
return s->buffer;
|
1150 |
case 0x0c: /* ENHANCED_TIPB_CNTL */ |
1151 |
return s->enh_control;
|
1152 |
case 0x10: /* ADDRESS_DBG */ |
1153 |
case 0x14: /* DATA_DEBUG_LOW */ |
1154 |
case 0x18: /* DATA_DEBUG_HIGH */ |
1155 |
return 0xffff; |
1156 |
case 0x1c: /* DEBUG_CNTR_SIG */ |
1157 |
return 0x00f8; |
1158 |
} |
1159 |
|
1160 |
OMAP_BAD_REG(addr); |
1161 |
return 0; |
1162 |
} |
1163 |
|
1164 |
static void omap_tipb_bridge_write(void *opaque, hwaddr addr, |
1165 |
uint64_t value, unsigned size)
|
1166 |
{ |
1167 |
struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque; |
1168 |
|
1169 |
if (size < 2) { |
1170 |
return omap_badwidth_write16(opaque, addr, value);
|
1171 |
} |
1172 |
|
1173 |
switch (addr) {
|
1174 |
case 0x00: /* TIPB_CNTL */ |
1175 |
s->control = value & 0xffff;
|
1176 |
break;
|
1177 |
|
1178 |
case 0x04: /* TIPB_BUS_ALLOC */ |
1179 |
s->alloc = value & 0x003f;
|
1180 |
break;
|
1181 |
|
1182 |
case 0x08: /* MPU_TIPB_CNTL */ |
1183 |
s->buffer = value & 0x0003;
|
1184 |
break;
|
1185 |
|
1186 |
case 0x0c: /* ENHANCED_TIPB_CNTL */ |
1187 |
s->width_intr = !(value & 2);
|
1188 |
s->enh_control = value & 0x000f;
|
1189 |
break;
|
1190 |
|
1191 |
case 0x10: /* ADDRESS_DBG */ |
1192 |
case 0x14: /* DATA_DEBUG_LOW */ |
1193 |
case 0x18: /* DATA_DEBUG_HIGH */ |
1194 |
case 0x1c: /* DEBUG_CNTR_SIG */ |
1195 |
OMAP_RO_REG(addr); |
1196 |
break;
|
1197 |
|
1198 |
default:
|
1199 |
OMAP_BAD_REG(addr); |
1200 |
} |
1201 |
} |
1202 |
|
1203 |
static const MemoryRegionOps omap_tipb_bridge_ops = { |
1204 |
.read = omap_tipb_bridge_read, |
1205 |
.write = omap_tipb_bridge_write, |
1206 |
.endianness = DEVICE_NATIVE_ENDIAN, |
1207 |
}; |
1208 |
|
1209 |
static void omap_tipb_bridge_reset(struct omap_tipb_bridge_s *s) |
1210 |
{ |
1211 |
s->control = 0xffff;
|
1212 |
s->alloc = 0x0009;
|
1213 |
s->buffer = 0x0000;
|
1214 |
s->enh_control = 0x000f;
|
1215 |
} |
1216 |
|
1217 |
static struct omap_tipb_bridge_s *omap_tipb_bridge_init( |
1218 |
MemoryRegion *memory, hwaddr base, |
1219 |
qemu_irq abort_irq, omap_clk clk) |
1220 |
{ |
1221 |
struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) |
1222 |
g_malloc0(sizeof(struct omap_tipb_bridge_s)); |
1223 |
|
1224 |
s->abort = abort_irq; |
1225 |
omap_tipb_bridge_reset(s); |
1226 |
|
1227 |
memory_region_init_io(&s->iomem, &omap_tipb_bridge_ops, s, |
1228 |
"omap-tipb-bridge", 0x100); |
1229 |
memory_region_add_subregion(memory, base, &s->iomem); |
1230 |
|
1231 |
return s;
|
1232 |
} |
1233 |
|
1234 |
/* Dummy Traffic Controller's Memory Interface */
|
1235 |
static uint64_t omap_tcmi_read(void *opaque, hwaddr addr, |
1236 |
unsigned size)
|
1237 |
{ |
1238 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
1239 |
uint32_t ret; |
1240 |
|
1241 |
if (size != 4) { |
1242 |
return omap_badwidth_read32(opaque, addr);
|
1243 |
} |
1244 |
|
1245 |
switch (addr) {
|
1246 |
case 0x00: /* IMIF_PRIO */ |
1247 |
case 0x04: /* EMIFS_PRIO */ |
1248 |
case 0x08: /* EMIFF_PRIO */ |
1249 |
case 0x0c: /* EMIFS_CONFIG */ |
1250 |
case 0x10: /* EMIFS_CS0_CONFIG */ |
1251 |
case 0x14: /* EMIFS_CS1_CONFIG */ |
1252 |
case 0x18: /* EMIFS_CS2_CONFIG */ |
1253 |
case 0x1c: /* EMIFS_CS3_CONFIG */ |
1254 |
case 0x24: /* EMIFF_MRS */ |
1255 |
case 0x28: /* TIMEOUT1 */ |
1256 |
case 0x2c: /* TIMEOUT2 */ |
1257 |
case 0x30: /* TIMEOUT3 */ |
1258 |
case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */ |
1259 |
case 0x40: /* EMIFS_CFG_DYN_WAIT */ |
1260 |
return s->tcmi_regs[addr >> 2]; |
1261 |
|
1262 |
case 0x20: /* EMIFF_SDRAM_CONFIG */ |
1263 |
ret = s->tcmi_regs[addr >> 2];
|
1264 |
s->tcmi_regs[addr >> 2] &= ~1; /* XXX: Clear SLRF on SDRAM access */ |
1265 |
/* XXX: We can try using the VGA_DIRTY flag for this */
|
1266 |
return ret;
|
1267 |
} |
1268 |
|
1269 |
OMAP_BAD_REG(addr); |
1270 |
return 0; |
1271 |
} |
1272 |
|
1273 |
static void omap_tcmi_write(void *opaque, hwaddr addr, |
1274 |
uint64_t value, unsigned size)
|
1275 |
{ |
1276 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
1277 |
|
1278 |
if (size != 4) { |
1279 |
return omap_badwidth_write32(opaque, addr, value);
|
1280 |
} |
1281 |
|
1282 |
switch (addr) {
|
1283 |
case 0x00: /* IMIF_PRIO */ |
1284 |
case 0x04: /* EMIFS_PRIO */ |
1285 |
case 0x08: /* EMIFF_PRIO */ |
1286 |
case 0x10: /* EMIFS_CS0_CONFIG */ |
1287 |
case 0x14: /* EMIFS_CS1_CONFIG */ |
1288 |
case 0x18: /* EMIFS_CS2_CONFIG */ |
1289 |
case 0x1c: /* EMIFS_CS3_CONFIG */ |
1290 |
case 0x20: /* EMIFF_SDRAM_CONFIG */ |
1291 |
case 0x24: /* EMIFF_MRS */ |
1292 |
case 0x28: /* TIMEOUT1 */ |
1293 |
case 0x2c: /* TIMEOUT2 */ |
1294 |
case 0x30: /* TIMEOUT3 */ |
1295 |
case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */ |
1296 |
case 0x40: /* EMIFS_CFG_DYN_WAIT */ |
1297 |
s->tcmi_regs[addr >> 2] = value;
|
1298 |
break;
|
1299 |
case 0x0c: /* EMIFS_CONFIG */ |
1300 |
s->tcmi_regs[addr >> 2] = (value & 0xf) | (1 << 4); |
1301 |
break;
|
1302 |
|
1303 |
default:
|
1304 |
OMAP_BAD_REG(addr); |
1305 |
} |
1306 |
} |
1307 |
|
1308 |
static const MemoryRegionOps omap_tcmi_ops = { |
1309 |
.read = omap_tcmi_read, |
1310 |
.write = omap_tcmi_write, |
1311 |
.endianness = DEVICE_NATIVE_ENDIAN, |
1312 |
}; |
1313 |
|
1314 |
static void omap_tcmi_reset(struct omap_mpu_state_s *mpu) |
1315 |
{ |
1316 |
mpu->tcmi_regs[0x00 >> 2] = 0x00000000; |
1317 |
mpu->tcmi_regs[0x04 >> 2] = 0x00000000; |
1318 |
mpu->tcmi_regs[0x08 >> 2] = 0x00000000; |
1319 |
mpu->tcmi_regs[0x0c >> 2] = 0x00000010; |
1320 |
mpu->tcmi_regs[0x10 >> 2] = 0x0010fffb; |
1321 |
mpu->tcmi_regs[0x14 >> 2] = 0x0010fffb; |
1322 |
mpu->tcmi_regs[0x18 >> 2] = 0x0010fffb; |
1323 |
mpu->tcmi_regs[0x1c >> 2] = 0x0010fffb; |
1324 |
mpu->tcmi_regs[0x20 >> 2] = 0x00618800; |
1325 |
mpu->tcmi_regs[0x24 >> 2] = 0x00000037; |
1326 |
mpu->tcmi_regs[0x28 >> 2] = 0x00000000; |
1327 |
mpu->tcmi_regs[0x2c >> 2] = 0x00000000; |
1328 |
mpu->tcmi_regs[0x30 >> 2] = 0x00000000; |
1329 |
mpu->tcmi_regs[0x3c >> 2] = 0x00000003; |
1330 |
mpu->tcmi_regs[0x40 >> 2] = 0x00000000; |
1331 |
} |
1332 |
|
1333 |
static void omap_tcmi_init(MemoryRegion *memory, hwaddr base, |
1334 |
struct omap_mpu_state_s *mpu)
|
1335 |
{ |
1336 |
memory_region_init_io(&mpu->tcmi_iomem, &omap_tcmi_ops, mpu, |
1337 |
"omap-tcmi", 0x100); |
1338 |
memory_region_add_subregion(memory, base, &mpu->tcmi_iomem); |
1339 |
omap_tcmi_reset(mpu); |
1340 |
} |
1341 |
|
1342 |
/* Digital phase-locked loops control */
|
1343 |
struct dpll_ctl_s {
|
1344 |
MemoryRegion iomem; |
1345 |
uint16_t mode; |
1346 |
omap_clk dpll; |
1347 |
}; |
1348 |
|
1349 |
static uint64_t omap_dpll_read(void *opaque, hwaddr addr, |
1350 |
unsigned size)
|
1351 |
{ |
1352 |
struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque; |
1353 |
|
1354 |
if (size != 2) { |
1355 |
return omap_badwidth_read16(opaque, addr);
|
1356 |
} |
1357 |
|
1358 |
if (addr == 0x00) /* CTL_REG */ |
1359 |
return s->mode;
|
1360 |
|
1361 |
OMAP_BAD_REG(addr); |
1362 |
return 0; |
1363 |
} |
1364 |
|
1365 |
static void omap_dpll_write(void *opaque, hwaddr addr, |
1366 |
uint64_t value, unsigned size)
|
1367 |
{ |
1368 |
struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque; |
1369 |
uint16_t diff; |
1370 |
static const int bypass_div[4] = { 1, 2, 4, 4 }; |
1371 |
int div, mult;
|
1372 |
|
1373 |
if (size != 2) { |
1374 |
return omap_badwidth_write16(opaque, addr, value);
|
1375 |
} |
1376 |
|
1377 |
if (addr == 0x00) { /* CTL_REG */ |
1378 |
/* See omap_ulpd_pm_write() too */
|
1379 |
diff = s->mode & value; |
1380 |
s->mode = value & 0x2fff;
|
1381 |
if (diff & (0x3ff << 2)) { |
1382 |
if (value & (1 << 4)) { /* PLL_ENABLE */ |
1383 |
div = ((value >> 5) & 3) + 1; /* PLL_DIV */ |
1384 |
mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */ |
1385 |
} else {
|
1386 |
div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */ |
1387 |
mult = 1;
|
1388 |
} |
1389 |
omap_clk_setrate(s->dpll, div, mult); |
1390 |
} |
1391 |
|
1392 |
/* Enter the desired mode. */
|
1393 |
s->mode = (s->mode & 0xfffe) | ((s->mode >> 4) & 1); |
1394 |
|
1395 |
/* Act as if the lock is restored. */
|
1396 |
s->mode |= 2;
|
1397 |
} else {
|
1398 |
OMAP_BAD_REG(addr); |
1399 |
} |
1400 |
} |
1401 |
|
1402 |
static const MemoryRegionOps omap_dpll_ops = { |
1403 |
.read = omap_dpll_read, |
1404 |
.write = omap_dpll_write, |
1405 |
.endianness = DEVICE_NATIVE_ENDIAN, |
1406 |
}; |
1407 |
|
1408 |
static void omap_dpll_reset(struct dpll_ctl_s *s) |
1409 |
{ |
1410 |
s->mode = 0x2002;
|
1411 |
omap_clk_setrate(s->dpll, 1, 1); |
1412 |
} |
1413 |
|
1414 |
static struct dpll_ctl_s *omap_dpll_init(MemoryRegion *memory, |
1415 |
hwaddr base, omap_clk clk) |
1416 |
{ |
1417 |
struct dpll_ctl_s *s = g_malloc0(sizeof(*s)); |
1418 |
memory_region_init_io(&s->iomem, &omap_dpll_ops, s, "omap-dpll", 0x100); |
1419 |
|
1420 |
s->dpll = clk; |
1421 |
omap_dpll_reset(s); |
1422 |
|
1423 |
memory_region_add_subregion(memory, base, &s->iomem); |
1424 |
return s;
|
1425 |
} |
1426 |
|
1427 |
/* MPU Clock/Reset/Power Mode Control */
|
1428 |
static uint64_t omap_clkm_read(void *opaque, hwaddr addr, |
1429 |
unsigned size)
|
1430 |
{ |
1431 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
1432 |
|
1433 |
if (size != 2) { |
1434 |
return omap_badwidth_read16(opaque, addr);
|
1435 |
} |
1436 |
|
1437 |
switch (addr) {
|
1438 |
case 0x00: /* ARM_CKCTL */ |
1439 |
return s->clkm.arm_ckctl;
|
1440 |
|
1441 |
case 0x04: /* ARM_IDLECT1 */ |
1442 |
return s->clkm.arm_idlect1;
|
1443 |
|
1444 |
case 0x08: /* ARM_IDLECT2 */ |
1445 |
return s->clkm.arm_idlect2;
|
1446 |
|
1447 |
case 0x0c: /* ARM_EWUPCT */ |
1448 |
return s->clkm.arm_ewupct;
|
1449 |
|
1450 |
case 0x10: /* ARM_RSTCT1 */ |
1451 |
return s->clkm.arm_rstct1;
|
1452 |
|
1453 |
case 0x14: /* ARM_RSTCT2 */ |
1454 |
return s->clkm.arm_rstct2;
|
1455 |
|
1456 |
case 0x18: /* ARM_SYSST */ |
1457 |
return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start; |
1458 |
|
1459 |
case 0x1c: /* ARM_CKOUT1 */ |
1460 |
return s->clkm.arm_ckout1;
|
1461 |
|
1462 |
case 0x20: /* ARM_CKOUT2 */ |
1463 |
break;
|
1464 |
} |
1465 |
|
1466 |
OMAP_BAD_REG(addr); |
1467 |
return 0; |
1468 |
} |
1469 |
|
1470 |
static inline void omap_clkm_ckctl_update(struct omap_mpu_state_s *s, |
1471 |
uint16_t diff, uint16_t value) |
1472 |
{ |
1473 |
omap_clk clk; |
1474 |
|
1475 |
if (diff & (1 << 14)) { /* ARM_INTHCK_SEL */ |
1476 |
if (value & (1 << 14)) |
1477 |
/* Reserved */;
|
1478 |
else {
|
1479 |
clk = omap_findclk(s, "arminth_ck");
|
1480 |
omap_clk_reparent(clk, omap_findclk(s, "tc_ck"));
|
1481 |
} |
1482 |
} |
1483 |
if (diff & (1 << 12)) { /* ARM_TIMXO */ |
1484 |
clk = omap_findclk(s, "armtim_ck");
|
1485 |
if (value & (1 << 12)) |
1486 |
omap_clk_reparent(clk, omap_findclk(s, "clkin"));
|
1487 |
else
|
1488 |
omap_clk_reparent(clk, omap_findclk(s, "ck_gen1"));
|
1489 |
} |
1490 |
/* XXX: en_dspck */
|
1491 |
if (diff & (3 << 10)) { /* DSPMMUDIV */ |
1492 |
clk = omap_findclk(s, "dspmmu_ck");
|
1493 |
omap_clk_setrate(clk, 1 << ((value >> 10) & 3), 1); |
1494 |
} |
1495 |
if (diff & (3 << 8)) { /* TCDIV */ |
1496 |
clk = omap_findclk(s, "tc_ck");
|
1497 |
omap_clk_setrate(clk, 1 << ((value >> 8) & 3), 1); |
1498 |
} |
1499 |
if (diff & (3 << 6)) { /* DSPDIV */ |
1500 |
clk = omap_findclk(s, "dsp_ck");
|
1501 |
omap_clk_setrate(clk, 1 << ((value >> 6) & 3), 1); |
1502 |
} |
1503 |
if (diff & (3 << 4)) { /* ARMDIV */ |
1504 |
clk = omap_findclk(s, "arm_ck");
|
1505 |
omap_clk_setrate(clk, 1 << ((value >> 4) & 3), 1); |
1506 |
} |
1507 |
if (diff & (3 << 2)) { /* LCDDIV */ |
1508 |
clk = omap_findclk(s, "lcd_ck");
|
1509 |
omap_clk_setrate(clk, 1 << ((value >> 2) & 3), 1); |
1510 |
} |
1511 |
if (diff & (3 << 0)) { /* PERDIV */ |
1512 |
clk = omap_findclk(s, "armper_ck");
|
1513 |
omap_clk_setrate(clk, 1 << ((value >> 0) & 3), 1); |
1514 |
} |
1515 |
} |
1516 |
|
1517 |
static inline void omap_clkm_idlect1_update(struct omap_mpu_state_s *s, |
1518 |
uint16_t diff, uint16_t value) |
1519 |
{ |
1520 |
omap_clk clk; |
1521 |
|
1522 |
if (value & (1 << 11)) { /* SETARM_IDLE */ |
1523 |
cpu_interrupt(&s->cpu->env, CPU_INTERRUPT_HALT); |
1524 |
} |
1525 |
if (!(value & (1 << 10))) /* WKUP_MODE */ |
1526 |
qemu_system_shutdown_request(); /* XXX: disable wakeup from IRQ */
|
1527 |
|
1528 |
#define SET_CANIDLE(clock, bit) \
|
1529 |
if (diff & (1 << bit)) { \ |
1530 |
clk = omap_findclk(s, clock); \ |
1531 |
omap_clk_canidle(clk, (value >> bit) & 1); \
|
1532 |
} |
1533 |
SET_CANIDLE("mpuwd_ck", 0) /* IDLWDT_ARM */ |
1534 |
SET_CANIDLE("armxor_ck", 1) /* IDLXORP_ARM */ |
1535 |
SET_CANIDLE("mpuper_ck", 2) /* IDLPER_ARM */ |
1536 |
SET_CANIDLE("lcd_ck", 3) /* IDLLCD_ARM */ |
1537 |
SET_CANIDLE("lb_ck", 4) /* IDLLB_ARM */ |
1538 |
SET_CANIDLE("hsab_ck", 5) /* IDLHSAB_ARM */ |
1539 |
SET_CANIDLE("tipb_ck", 6) /* IDLIF_ARM */ |
1540 |
SET_CANIDLE("dma_ck", 6) /* IDLIF_ARM */ |
1541 |
SET_CANIDLE("tc_ck", 6) /* IDLIF_ARM */ |
1542 |
SET_CANIDLE("dpll1", 7) /* IDLDPLL_ARM */ |
1543 |
SET_CANIDLE("dpll2", 7) /* IDLDPLL_ARM */ |
1544 |
SET_CANIDLE("dpll3", 7) /* IDLDPLL_ARM */ |
1545 |
SET_CANIDLE("mpui_ck", 8) /* IDLAPI_ARM */ |
1546 |
SET_CANIDLE("armtim_ck", 9) /* IDLTIM_ARM */ |
1547 |
} |
1548 |
|
1549 |
static inline void omap_clkm_idlect2_update(struct omap_mpu_state_s *s, |
1550 |
uint16_t diff, uint16_t value) |
1551 |
{ |
1552 |
omap_clk clk; |
1553 |
|
1554 |
#define SET_ONOFF(clock, bit) \
|
1555 |
if (diff & (1 << bit)) { \ |
1556 |
clk = omap_findclk(s, clock); \ |
1557 |
omap_clk_onoff(clk, (value >> bit) & 1); \
|
1558 |
} |
1559 |
SET_ONOFF("mpuwd_ck", 0) /* EN_WDTCK */ |
1560 |
SET_ONOFF("armxor_ck", 1) /* EN_XORPCK */ |
1561 |
SET_ONOFF("mpuper_ck", 2) /* EN_PERCK */ |
1562 |
SET_ONOFF("lcd_ck", 3) /* EN_LCDCK */ |
1563 |
SET_ONOFF("lb_ck", 4) /* EN_LBCK */ |
1564 |
SET_ONOFF("hsab_ck", 5) /* EN_HSABCK */ |
1565 |
SET_ONOFF("mpui_ck", 6) /* EN_APICK */ |
1566 |
SET_ONOFF("armtim_ck", 7) /* EN_TIMCK */ |
1567 |
SET_CANIDLE("dma_ck", 8) /* DMACK_REQ */ |
1568 |
SET_ONOFF("arm_gpio_ck", 9) /* EN_GPIOCK */ |
1569 |
SET_ONOFF("lbfree_ck", 10) /* EN_LBFREECK */ |
1570 |
} |
1571 |
|
1572 |
static inline void omap_clkm_ckout1_update(struct omap_mpu_state_s *s, |
1573 |
uint16_t diff, uint16_t value) |
1574 |
{ |
1575 |
omap_clk clk; |
1576 |
|
1577 |
if (diff & (3 << 4)) { /* TCLKOUT */ |
1578 |
clk = omap_findclk(s, "tclk_out");
|
1579 |
switch ((value >> 4) & 3) { |
1580 |
case 1: |
1581 |
omap_clk_reparent(clk, omap_findclk(s, "ck_gen3"));
|
1582 |
omap_clk_onoff(clk, 1);
|
1583 |
break;
|
1584 |
case 2: |
1585 |
omap_clk_reparent(clk, omap_findclk(s, "tc_ck"));
|
1586 |
omap_clk_onoff(clk, 1);
|
1587 |
break;
|
1588 |
default:
|
1589 |
omap_clk_onoff(clk, 0);
|
1590 |
} |
1591 |
} |
1592 |
if (diff & (3 << 2)) { /* DCLKOUT */ |
1593 |
clk = omap_findclk(s, "dclk_out");
|
1594 |
switch ((value >> 2) & 3) { |
1595 |
case 0: |
1596 |
omap_clk_reparent(clk, omap_findclk(s, "dspmmu_ck"));
|
1597 |
break;
|
1598 |
case 1: |
1599 |
omap_clk_reparent(clk, omap_findclk(s, "ck_gen2"));
|
1600 |
break;
|
1601 |
case 2: |
1602 |
omap_clk_reparent(clk, omap_findclk(s, "dsp_ck"));
|
1603 |
break;
|
1604 |
case 3: |
1605 |
omap_clk_reparent(clk, omap_findclk(s, "ck_ref14"));
|
1606 |
break;
|
1607 |
} |
1608 |
} |
1609 |
if (diff & (3 << 0)) { /* ACLKOUT */ |
1610 |
clk = omap_findclk(s, "aclk_out");
|
1611 |
switch ((value >> 0) & 3) { |
1612 |
case 1: |
1613 |
omap_clk_reparent(clk, omap_findclk(s, "ck_gen1"));
|
1614 |
omap_clk_onoff(clk, 1);
|
1615 |
break;
|
1616 |
case 2: |
1617 |
omap_clk_reparent(clk, omap_findclk(s, "arm_ck"));
|
1618 |
omap_clk_onoff(clk, 1);
|
1619 |
break;
|
1620 |
case 3: |
1621 |
omap_clk_reparent(clk, omap_findclk(s, "ck_ref14"));
|
1622 |
omap_clk_onoff(clk, 1);
|
1623 |
break;
|
1624 |
default:
|
1625 |
omap_clk_onoff(clk, 0);
|
1626 |
} |
1627 |
} |
1628 |
} |
1629 |
|
1630 |
static void omap_clkm_write(void *opaque, hwaddr addr, |
1631 |
uint64_t value, unsigned size)
|
1632 |
{ |
1633 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
1634 |
uint16_t diff; |
1635 |
omap_clk clk; |
1636 |
static const char *clkschemename[8] = { |
1637 |
"fully synchronous", "fully asynchronous", "synchronous scalable", |
1638 |
"mix mode 1", "mix mode 2", "bypass mode", "mix mode 3", "mix mode 4", |
1639 |
}; |
1640 |
|
1641 |
if (size != 2) { |
1642 |
return omap_badwidth_write16(opaque, addr, value);
|
1643 |
} |
1644 |
|
1645 |
switch (addr) {
|
1646 |
case 0x00: /* ARM_CKCTL */ |
1647 |
diff = s->clkm.arm_ckctl ^ value; |
1648 |
s->clkm.arm_ckctl = value & 0x7fff;
|
1649 |
omap_clkm_ckctl_update(s, diff, value); |
1650 |
return;
|
1651 |
|
1652 |
case 0x04: /* ARM_IDLECT1 */ |
1653 |
diff = s->clkm.arm_idlect1 ^ value; |
1654 |
s->clkm.arm_idlect1 = value & 0x0fff;
|
1655 |
omap_clkm_idlect1_update(s, diff, value); |
1656 |
return;
|
1657 |
|
1658 |
case 0x08: /* ARM_IDLECT2 */ |
1659 |
diff = s->clkm.arm_idlect2 ^ value; |
1660 |
s->clkm.arm_idlect2 = value & 0x07ff;
|
1661 |
omap_clkm_idlect2_update(s, diff, value); |
1662 |
return;
|
1663 |
|
1664 |
case 0x0c: /* ARM_EWUPCT */ |
1665 |
s->clkm.arm_ewupct = value & 0x003f;
|
1666 |
return;
|
1667 |
|
1668 |
case 0x10: /* ARM_RSTCT1 */ |
1669 |
diff = s->clkm.arm_rstct1 ^ value; |
1670 |
s->clkm.arm_rstct1 = value & 0x0007;
|
1671 |
if (value & 9) { |
1672 |
qemu_system_reset_request(); |
1673 |
s->clkm.cold_start = 0xa;
|
1674 |
} |
1675 |
if (diff & ~value & 4) { /* DSP_RST */ |
1676 |
omap_mpui_reset(s); |
1677 |
omap_tipb_bridge_reset(s->private_tipb); |
1678 |
omap_tipb_bridge_reset(s->public_tipb); |
1679 |
} |
1680 |
if (diff & 2) { /* DSP_EN */ |
1681 |
clk = omap_findclk(s, "dsp_ck");
|
1682 |
omap_clk_canidle(clk, (~value >> 1) & 1); |
1683 |
} |
1684 |
return;
|
1685 |
|
1686 |
case 0x14: /* ARM_RSTCT2 */ |
1687 |
s->clkm.arm_rstct2 = value & 0x0001;
|
1688 |
return;
|
1689 |
|
1690 |
case 0x18: /* ARM_SYSST */ |
1691 |
if ((s->clkm.clocking_scheme ^ (value >> 11)) & 7) { |
1692 |
s->clkm.clocking_scheme = (value >> 11) & 7; |
1693 |
printf("%s: clocking scheme set to %s\n", __FUNCTION__,
|
1694 |
clkschemename[s->clkm.clocking_scheme]); |
1695 |
} |
1696 |
s->clkm.cold_start &= value & 0x3f;
|
1697 |
return;
|
1698 |
|
1699 |
case 0x1c: /* ARM_CKOUT1 */ |
1700 |
diff = s->clkm.arm_ckout1 ^ value; |
1701 |
s->clkm.arm_ckout1 = value & 0x003f;
|
1702 |
omap_clkm_ckout1_update(s, diff, value); |
1703 |
return;
|
1704 |
|
1705 |
case 0x20: /* ARM_CKOUT2 */ |
1706 |
default:
|
1707 |
OMAP_BAD_REG(addr); |
1708 |
} |
1709 |
} |
1710 |
|
1711 |
static const MemoryRegionOps omap_clkm_ops = { |
1712 |
.read = omap_clkm_read, |
1713 |
.write = omap_clkm_write, |
1714 |
.endianness = DEVICE_NATIVE_ENDIAN, |
1715 |
}; |
1716 |
|
1717 |
static uint64_t omap_clkdsp_read(void *opaque, hwaddr addr, |
1718 |
unsigned size)
|
1719 |
{ |
1720 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
1721 |
|
1722 |
if (size != 2) { |
1723 |
return omap_badwidth_read16(opaque, addr);
|
1724 |
} |
1725 |
|
1726 |
switch (addr) {
|
1727 |
case 0x04: /* DSP_IDLECT1 */ |
1728 |
return s->clkm.dsp_idlect1;
|
1729 |
|
1730 |
case 0x08: /* DSP_IDLECT2 */ |
1731 |
return s->clkm.dsp_idlect2;
|
1732 |
|
1733 |
case 0x14: /* DSP_RSTCT2 */ |
1734 |
return s->clkm.dsp_rstct2;
|
1735 |
|
1736 |
case 0x18: /* DSP_SYSST */ |
1737 |
return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start | |
1738 |
(s->cpu->env.halted << 6); /* Quite useless... */ |
1739 |
} |
1740 |
|
1741 |
OMAP_BAD_REG(addr); |
1742 |
return 0; |
1743 |
} |
1744 |
|
1745 |
static inline void omap_clkdsp_idlect1_update(struct omap_mpu_state_s *s, |
1746 |
uint16_t diff, uint16_t value) |
1747 |
{ |
1748 |
omap_clk clk; |
1749 |
|
1750 |
SET_CANIDLE("dspxor_ck", 1); /* IDLXORP_DSP */ |
1751 |
} |
1752 |
|
1753 |
static inline void omap_clkdsp_idlect2_update(struct omap_mpu_state_s *s, |
1754 |
uint16_t diff, uint16_t value) |
1755 |
{ |
1756 |
omap_clk clk; |
1757 |
|
1758 |
SET_ONOFF("dspxor_ck", 1); /* EN_XORPCK */ |
1759 |
} |
1760 |
|
1761 |
static void omap_clkdsp_write(void *opaque, hwaddr addr, |
1762 |
uint64_t value, unsigned size)
|
1763 |
{ |
1764 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
1765 |
uint16_t diff; |
1766 |
|
1767 |
if (size != 2) { |
1768 |
return omap_badwidth_write16(opaque, addr, value);
|
1769 |
} |
1770 |
|
1771 |
switch (addr) {
|
1772 |
case 0x04: /* DSP_IDLECT1 */ |
1773 |
diff = s->clkm.dsp_idlect1 ^ value; |
1774 |
s->clkm.dsp_idlect1 = value & 0x01f7;
|
1775 |
omap_clkdsp_idlect1_update(s, diff, value); |
1776 |
break;
|
1777 |
|
1778 |
case 0x08: /* DSP_IDLECT2 */ |
1779 |
s->clkm.dsp_idlect2 = value & 0x0037;
|
1780 |
diff = s->clkm.dsp_idlect1 ^ value; |
1781 |
omap_clkdsp_idlect2_update(s, diff, value); |
1782 |
break;
|
1783 |
|
1784 |
case 0x14: /* DSP_RSTCT2 */ |
1785 |
s->clkm.dsp_rstct2 = value & 0x0001;
|
1786 |
break;
|
1787 |
|
1788 |
case 0x18: /* DSP_SYSST */ |
1789 |
s->clkm.cold_start &= value & 0x3f;
|
1790 |
break;
|
1791 |
|
1792 |
default:
|
1793 |
OMAP_BAD_REG(addr); |
1794 |
} |
1795 |
} |
1796 |
|
1797 |
static const MemoryRegionOps omap_clkdsp_ops = { |
1798 |
.read = omap_clkdsp_read, |
1799 |
.write = omap_clkdsp_write, |
1800 |
.endianness = DEVICE_NATIVE_ENDIAN, |
1801 |
}; |
1802 |
|
1803 |
static void omap_clkm_reset(struct omap_mpu_state_s *s) |
1804 |
{ |
1805 |
if (s->wdt && s->wdt->reset)
|
1806 |
s->clkm.cold_start = 0x6;
|
1807 |
s->clkm.clocking_scheme = 0;
|
1808 |
omap_clkm_ckctl_update(s, ~0, 0x3000); |
1809 |
s->clkm.arm_ckctl = 0x3000;
|
1810 |
omap_clkm_idlect1_update(s, s->clkm.arm_idlect1 ^ 0x0400, 0x0400); |
1811 |
s->clkm.arm_idlect1 = 0x0400;
|
1812 |
omap_clkm_idlect2_update(s, s->clkm.arm_idlect2 ^ 0x0100, 0x0100); |
1813 |
s->clkm.arm_idlect2 = 0x0100;
|
1814 |
s->clkm.arm_ewupct = 0x003f;
|
1815 |
s->clkm.arm_rstct1 = 0x0000;
|
1816 |
s->clkm.arm_rstct2 = 0x0000;
|
1817 |
s->clkm.arm_ckout1 = 0x0015;
|
1818 |
s->clkm.dpll1_mode = 0x2002;
|
1819 |
omap_clkdsp_idlect1_update(s, s->clkm.dsp_idlect1 ^ 0x0040, 0x0040); |
1820 |
s->clkm.dsp_idlect1 = 0x0040;
|
1821 |
omap_clkdsp_idlect2_update(s, ~0, 0x0000); |
1822 |
s->clkm.dsp_idlect2 = 0x0000;
|
1823 |
s->clkm.dsp_rstct2 = 0x0000;
|
1824 |
} |
1825 |
|
1826 |
static void omap_clkm_init(MemoryRegion *memory, hwaddr mpu_base, |
1827 |
hwaddr dsp_base, struct omap_mpu_state_s *s)
|
1828 |
{ |
1829 |
memory_region_init_io(&s->clkm_iomem, &omap_clkm_ops, s, |
1830 |
"omap-clkm", 0x100); |
1831 |
memory_region_init_io(&s->clkdsp_iomem, &omap_clkdsp_ops, s, |
1832 |
"omap-clkdsp", 0x1000); |
1833 |
|
1834 |
s->clkm.arm_idlect1 = 0x03ff;
|
1835 |
s->clkm.arm_idlect2 = 0x0100;
|
1836 |
s->clkm.dsp_idlect1 = 0x0002;
|
1837 |
omap_clkm_reset(s); |
1838 |
s->clkm.cold_start = 0x3a;
|
1839 |
|
1840 |
memory_region_add_subregion(memory, mpu_base, &s->clkm_iomem); |
1841 |
memory_region_add_subregion(memory, dsp_base, &s->clkdsp_iomem); |
1842 |
} |
1843 |
|
1844 |
/* MPU I/O */
|
1845 |
struct omap_mpuio_s {
|
1846 |
qemu_irq irq; |
1847 |
qemu_irq kbd_irq; |
1848 |
qemu_irq *in; |
1849 |
qemu_irq handler[16];
|
1850 |
qemu_irq wakeup; |
1851 |
MemoryRegion iomem; |
1852 |
|
1853 |
uint16_t inputs; |
1854 |
uint16_t outputs; |
1855 |
uint16_t dir; |
1856 |
uint16_t edge; |
1857 |
uint16_t mask; |
1858 |
uint16_t ints; |
1859 |
|
1860 |
uint16_t debounce; |
1861 |
uint16_t latch; |
1862 |
uint8_t event; |
1863 |
|
1864 |
uint8_t buttons[5];
|
1865 |
uint8_t row_latch; |
1866 |
uint8_t cols; |
1867 |
int kbd_mask;
|
1868 |
int clk;
|
1869 |
}; |
1870 |
|
1871 |
static void omap_mpuio_set(void *opaque, int line, int level) |
1872 |
{ |
1873 |
struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; |
1874 |
uint16_t prev = s->inputs; |
1875 |
|
1876 |
if (level)
|
1877 |
s->inputs |= 1 << line;
|
1878 |
else
|
1879 |
s->inputs &= ~(1 << line);
|
1880 |
|
1881 |
if (((1 << line) & s->dir & ~s->mask) && s->clk) { |
1882 |
if ((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) {
|
1883 |
s->ints |= 1 << line;
|
1884 |
qemu_irq_raise(s->irq); |
1885 |
/* TODO: wakeup */
|
1886 |
} |
1887 |
if ((s->event & (1 << 0)) && /* SET_GPIO_EVENT_MODE */ |
1888 |
(s->event >> 1) == line) /* PIN_SELECT */ |
1889 |
s->latch = s->inputs; |
1890 |
} |
1891 |
} |
1892 |
|
1893 |
static void omap_mpuio_kbd_update(struct omap_mpuio_s *s) |
1894 |
{ |
1895 |
int i;
|
1896 |
uint8_t *row, rows = 0, cols = ~s->cols;
|
1897 |
|
1898 |
for (row = s->buttons + 4, i = 1 << 4; i; row --, i >>= 1) |
1899 |
if (*row & cols)
|
1900 |
rows |= i; |
1901 |
|
1902 |
qemu_set_irq(s->kbd_irq, rows && !s->kbd_mask && s->clk); |
1903 |
s->row_latch = ~rows; |
1904 |
} |
1905 |
|
1906 |
static uint64_t omap_mpuio_read(void *opaque, hwaddr addr, |
1907 |
unsigned size)
|
1908 |
{ |
1909 |
struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; |
1910 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
1911 |
uint16_t ret; |
1912 |
|
1913 |
if (size != 2) { |
1914 |
return omap_badwidth_read16(opaque, addr);
|
1915 |
} |
1916 |
|
1917 |
switch (offset) {
|
1918 |
case 0x00: /* INPUT_LATCH */ |
1919 |
return s->inputs;
|
1920 |
|
1921 |
case 0x04: /* OUTPUT_REG */ |
1922 |
return s->outputs;
|
1923 |
|
1924 |
case 0x08: /* IO_CNTL */ |
1925 |
return s->dir;
|
1926 |
|
1927 |
case 0x10: /* KBR_LATCH */ |
1928 |
return s->row_latch;
|
1929 |
|
1930 |
case 0x14: /* KBC_REG */ |
1931 |
return s->cols;
|
1932 |
|
1933 |
case 0x18: /* GPIO_EVENT_MODE_REG */ |
1934 |
return s->event;
|
1935 |
|
1936 |
case 0x1c: /* GPIO_INT_EDGE_REG */ |
1937 |
return s->edge;
|
1938 |
|
1939 |
case 0x20: /* KBD_INT */ |
1940 |
return (~s->row_latch & 0x1f) && !s->kbd_mask; |
1941 |
|
1942 |
case 0x24: /* GPIO_INT */ |
1943 |
ret = s->ints; |
1944 |
s->ints &= s->mask; |
1945 |
if (ret)
|
1946 |
qemu_irq_lower(s->irq); |
1947 |
return ret;
|
1948 |
|
1949 |
case 0x28: /* KBD_MASKIT */ |
1950 |
return s->kbd_mask;
|
1951 |
|
1952 |
case 0x2c: /* GPIO_MASKIT */ |
1953 |
return s->mask;
|
1954 |
|
1955 |
case 0x30: /* GPIO_DEBOUNCING_REG */ |
1956 |
return s->debounce;
|
1957 |
|
1958 |
case 0x34: /* GPIO_LATCH_REG */ |
1959 |
return s->latch;
|
1960 |
} |
1961 |
|
1962 |
OMAP_BAD_REG(addr); |
1963 |
return 0; |
1964 |
} |
1965 |
|
1966 |
static void omap_mpuio_write(void *opaque, hwaddr addr, |
1967 |
uint64_t value, unsigned size)
|
1968 |
{ |
1969 |
struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; |
1970 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
1971 |
uint16_t diff; |
1972 |
int ln;
|
1973 |
|
1974 |
if (size != 2) { |
1975 |
return omap_badwidth_write16(opaque, addr, value);
|
1976 |
} |
1977 |
|
1978 |
switch (offset) {
|
1979 |
case 0x04: /* OUTPUT_REG */ |
1980 |
diff = (s->outputs ^ value) & ~s->dir; |
1981 |
s->outputs = value; |
1982 |
while ((ln = ffs(diff))) {
|
1983 |
ln --; |
1984 |
if (s->handler[ln])
|
1985 |
qemu_set_irq(s->handler[ln], (value >> ln) & 1);
|
1986 |
diff &= ~(1 << ln);
|
1987 |
} |
1988 |
break;
|
1989 |
|
1990 |
case 0x08: /* IO_CNTL */ |
1991 |
diff = s->outputs & (s->dir ^ value); |
1992 |
s->dir = value; |
1993 |
|
1994 |
value = s->outputs & ~s->dir; |
1995 |
while ((ln = ffs(diff))) {
|
1996 |
ln --; |
1997 |
if (s->handler[ln])
|
1998 |
qemu_set_irq(s->handler[ln], (value >> ln) & 1);
|
1999 |
diff &= ~(1 << ln);
|
2000 |
} |
2001 |
break;
|
2002 |
|
2003 |
case 0x14: /* KBC_REG */ |
2004 |
s->cols = value; |
2005 |
omap_mpuio_kbd_update(s); |
2006 |
break;
|
2007 |
|
2008 |
case 0x18: /* GPIO_EVENT_MODE_REG */ |
2009 |
s->event = value & 0x1f;
|
2010 |
break;
|
2011 |
|
2012 |
case 0x1c: /* GPIO_INT_EDGE_REG */ |
2013 |
s->edge = value; |
2014 |
break;
|
2015 |
|
2016 |
case 0x28: /* KBD_MASKIT */ |
2017 |
s->kbd_mask = value & 1;
|
2018 |
omap_mpuio_kbd_update(s); |
2019 |
break;
|
2020 |
|
2021 |
case 0x2c: /* GPIO_MASKIT */ |
2022 |
s->mask = value; |
2023 |
break;
|
2024 |
|
2025 |
case 0x30: /* GPIO_DEBOUNCING_REG */ |
2026 |
s->debounce = value & 0x1ff;
|
2027 |
break;
|
2028 |
|
2029 |
case 0x00: /* INPUT_LATCH */ |
2030 |
case 0x10: /* KBR_LATCH */ |
2031 |
case 0x20: /* KBD_INT */ |
2032 |
case 0x24: /* GPIO_INT */ |
2033 |
case 0x34: /* GPIO_LATCH_REG */ |
2034 |
OMAP_RO_REG(addr); |
2035 |
return;
|
2036 |
|
2037 |
default:
|
2038 |
OMAP_BAD_REG(addr); |
2039 |
return;
|
2040 |
} |
2041 |
} |
2042 |
|
2043 |
static const MemoryRegionOps omap_mpuio_ops = { |
2044 |
.read = omap_mpuio_read, |
2045 |
.write = omap_mpuio_write, |
2046 |
.endianness = DEVICE_NATIVE_ENDIAN, |
2047 |
}; |
2048 |
|
2049 |
static void omap_mpuio_reset(struct omap_mpuio_s *s) |
2050 |
{ |
2051 |
s->inputs = 0;
|
2052 |
s->outputs = 0;
|
2053 |
s->dir = ~0;
|
2054 |
s->event = 0;
|
2055 |
s->edge = 0;
|
2056 |
s->kbd_mask = 0;
|
2057 |
s->mask = 0;
|
2058 |
s->debounce = 0;
|
2059 |
s->latch = 0;
|
2060 |
s->ints = 0;
|
2061 |
s->row_latch = 0x1f;
|
2062 |
s->clk = 1;
|
2063 |
} |
2064 |
|
2065 |
static void omap_mpuio_onoff(void *opaque, int line, int on) |
2066 |
{ |
2067 |
struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; |
2068 |
|
2069 |
s->clk = on; |
2070 |
if (on)
|
2071 |
omap_mpuio_kbd_update(s); |
2072 |
} |
2073 |
|
2074 |
static struct omap_mpuio_s *omap_mpuio_init(MemoryRegion *memory, |
2075 |
hwaddr base, |
2076 |
qemu_irq kbd_int, qemu_irq gpio_int, qemu_irq wakeup, |
2077 |
omap_clk clk) |
2078 |
{ |
2079 |
struct omap_mpuio_s *s = (struct omap_mpuio_s *) |
2080 |
g_malloc0(sizeof(struct omap_mpuio_s)); |
2081 |
|
2082 |
s->irq = gpio_int; |
2083 |
s->kbd_irq = kbd_int; |
2084 |
s->wakeup = wakeup; |
2085 |
s->in = qemu_allocate_irqs(omap_mpuio_set, s, 16);
|
2086 |
omap_mpuio_reset(s); |
2087 |
|
2088 |
memory_region_init_io(&s->iomem, &omap_mpuio_ops, s, |
2089 |
"omap-mpuio", 0x800); |
2090 |
memory_region_add_subregion(memory, base, &s->iomem); |
2091 |
|
2092 |
omap_clk_adduser(clk, qemu_allocate_irqs(omap_mpuio_onoff, s, 1)[0]); |
2093 |
|
2094 |
return s;
|
2095 |
} |
2096 |
|
2097 |
qemu_irq *omap_mpuio_in_get(struct omap_mpuio_s *s)
|
2098 |
{ |
2099 |
return s->in;
|
2100 |
} |
2101 |
|
2102 |
void omap_mpuio_out_set(struct omap_mpuio_s *s, int line, qemu_irq handler) |
2103 |
{ |
2104 |
if (line >= 16 || line < 0) |
2105 |
hw_error("%s: No GPIO line %i\n", __FUNCTION__, line);
|
2106 |
s->handler[line] = handler; |
2107 |
} |
2108 |
|
2109 |
void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down) |
2110 |
{ |
2111 |
if (row >= 5 || row < 0) |
2112 |
hw_error("%s: No key %i-%i\n", __FUNCTION__, col, row);
|
2113 |
|
2114 |
if (down)
|
2115 |
s->buttons[row] |= 1 << col;
|
2116 |
else
|
2117 |
s->buttons[row] &= ~(1 << col);
|
2118 |
|
2119 |
omap_mpuio_kbd_update(s); |
2120 |
} |
2121 |
|
2122 |
/* MicroWire Interface */
|
2123 |
struct omap_uwire_s {
|
2124 |
MemoryRegion iomem; |
2125 |
qemu_irq txirq; |
2126 |
qemu_irq rxirq; |
2127 |
qemu_irq txdrq; |
2128 |
|
2129 |
uint16_t txbuf; |
2130 |
uint16_t rxbuf; |
2131 |
uint16_t control; |
2132 |
uint16_t setup[5];
|
2133 |
|
2134 |
uWireSlave *chip[4];
|
2135 |
}; |
2136 |
|
2137 |
static void omap_uwire_transfer_start(struct omap_uwire_s *s) |
2138 |
{ |
2139 |
int chipselect = (s->control >> 10) & 3; /* INDEX */ |
2140 |
uWireSlave *slave = s->chip[chipselect]; |
2141 |
|
2142 |
if ((s->control >> 5) & 0x1f) { /* NB_BITS_WR */ |
2143 |
if (s->control & (1 << 12)) /* CS_CMD */ |
2144 |
if (slave && slave->send)
|
2145 |
slave->send(slave->opaque, |
2146 |
s->txbuf >> (16 - ((s->control >> 5) & 0x1f))); |
2147 |
s->control &= ~(1 << 14); /* CSRB */ |
2148 |
/* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or
|
2149 |
* a DRQ. When is the level IRQ supposed to be reset? */
|
2150 |
} |
2151 |
|
2152 |
if ((s->control >> 0) & 0x1f) { /* NB_BITS_RD */ |
2153 |
if (s->control & (1 << 12)) /* CS_CMD */ |
2154 |
if (slave && slave->receive)
|
2155 |
s->rxbuf = slave->receive(slave->opaque); |
2156 |
s->control |= 1 << 15; /* RDRB */ |
2157 |
/* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or
|
2158 |
* a DRQ. When is the level IRQ supposed to be reset? */
|
2159 |
} |
2160 |
} |
2161 |
|
2162 |
static uint64_t omap_uwire_read(void *opaque, hwaddr addr, |
2163 |
unsigned size)
|
2164 |
{ |
2165 |
struct omap_uwire_s *s = (struct omap_uwire_s *) opaque; |
2166 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
2167 |
|
2168 |
if (size != 2) { |
2169 |
return omap_badwidth_read16(opaque, addr);
|
2170 |
} |
2171 |
|
2172 |
switch (offset) {
|
2173 |
case 0x00: /* RDR */ |
2174 |
s->control &= ~(1 << 15); /* RDRB */ |
2175 |
return s->rxbuf;
|
2176 |
|
2177 |
case 0x04: /* CSR */ |
2178 |
return s->control;
|
2179 |
|
2180 |
case 0x08: /* SR1 */ |
2181 |
return s->setup[0]; |
2182 |
case 0x0c: /* SR2 */ |
2183 |
return s->setup[1]; |
2184 |
case 0x10: /* SR3 */ |
2185 |
return s->setup[2]; |
2186 |
case 0x14: /* SR4 */ |
2187 |
return s->setup[3]; |
2188 |
case 0x18: /* SR5 */ |
2189 |
return s->setup[4]; |
2190 |
} |
2191 |
|
2192 |
OMAP_BAD_REG(addr); |
2193 |
return 0; |
2194 |
} |
2195 |
|
2196 |
static void omap_uwire_write(void *opaque, hwaddr addr, |
2197 |
uint64_t value, unsigned size)
|
2198 |
{ |
2199 |
struct omap_uwire_s *s = (struct omap_uwire_s *) opaque; |
2200 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
2201 |
|
2202 |
if (size != 2) { |
2203 |
return omap_badwidth_write16(opaque, addr, value);
|
2204 |
} |
2205 |
|
2206 |
switch (offset) {
|
2207 |
case 0x00: /* TDR */ |
2208 |
s->txbuf = value; /* TD */
|
2209 |
if ((s->setup[4] & (1 << 2)) && /* AUTO_TX_EN */ |
2210 |
((s->setup[4] & (1 << 3)) || /* CS_TOGGLE_TX_EN */ |
2211 |
(s->control & (1 << 12)))) { /* CS_CMD */ |
2212 |
s->control |= 1 << 14; /* CSRB */ |
2213 |
omap_uwire_transfer_start(s); |
2214 |
} |
2215 |
break;
|
2216 |
|
2217 |
case 0x04: /* CSR */ |
2218 |
s->control = value & 0x1fff;
|
2219 |
if (value & (1 << 13)) /* START */ |
2220 |
omap_uwire_transfer_start(s); |
2221 |
break;
|
2222 |
|
2223 |
case 0x08: /* SR1 */ |
2224 |
s->setup[0] = value & 0x003f; |
2225 |
break;
|
2226 |
|
2227 |
case 0x0c: /* SR2 */ |
2228 |
s->setup[1] = value & 0x0fc0; |
2229 |
break;
|
2230 |
|
2231 |
case 0x10: /* SR3 */ |
2232 |
s->setup[2] = value & 0x0003; |
2233 |
break;
|
2234 |
|
2235 |
case 0x14: /* SR4 */ |
2236 |
s->setup[3] = value & 0x0001; |
2237 |
break;
|
2238 |
|
2239 |
case 0x18: /* SR5 */ |
2240 |
s->setup[4] = value & 0x000f; |
2241 |
break;
|
2242 |
|
2243 |
default:
|
2244 |
OMAP_BAD_REG(addr); |
2245 |
return;
|
2246 |
} |
2247 |
} |
2248 |
|
2249 |
static const MemoryRegionOps omap_uwire_ops = { |
2250 |
.read = omap_uwire_read, |
2251 |
.write = omap_uwire_write, |
2252 |
.endianness = DEVICE_NATIVE_ENDIAN, |
2253 |
}; |
2254 |
|
2255 |
static void omap_uwire_reset(struct omap_uwire_s *s) |
2256 |
{ |
2257 |
s->control = 0;
|
2258 |
s->setup[0] = 0; |
2259 |
s->setup[1] = 0; |
2260 |
s->setup[2] = 0; |
2261 |
s->setup[3] = 0; |
2262 |
s->setup[4] = 0; |
2263 |
} |
2264 |
|
2265 |
static struct omap_uwire_s *omap_uwire_init(MemoryRegion *system_memory, |
2266 |
hwaddr base, |
2267 |
qemu_irq txirq, qemu_irq rxirq, |
2268 |
qemu_irq dma, |
2269 |
omap_clk clk) |
2270 |
{ |
2271 |
struct omap_uwire_s *s = (struct omap_uwire_s *) |
2272 |
g_malloc0(sizeof(struct omap_uwire_s)); |
2273 |
|
2274 |
s->txirq = txirq; |
2275 |
s->rxirq = rxirq; |
2276 |
s->txdrq = dma; |
2277 |
omap_uwire_reset(s); |
2278 |
|
2279 |
memory_region_init_io(&s->iomem, &omap_uwire_ops, s, "omap-uwire", 0x800); |
2280 |
memory_region_add_subregion(system_memory, base, &s->iomem); |
2281 |
|
2282 |
return s;
|
2283 |
} |
2284 |
|
2285 |
void omap_uwire_attach(struct omap_uwire_s *s, |
2286 |
uWireSlave *slave, int chipselect)
|
2287 |
{ |
2288 |
if (chipselect < 0 || chipselect > 3) { |
2289 |
fprintf(stderr, "%s: Bad chipselect %i\n", __FUNCTION__, chipselect);
|
2290 |
exit(-1);
|
2291 |
} |
2292 |
|
2293 |
s->chip[chipselect] = slave; |
2294 |
} |
2295 |
|
2296 |
/* Pseudonoise Pulse-Width Light Modulator */
|
2297 |
struct omap_pwl_s {
|
2298 |
MemoryRegion iomem; |
2299 |
uint8_t output; |
2300 |
uint8_t level; |
2301 |
uint8_t enable; |
2302 |
int clk;
|
2303 |
}; |
2304 |
|
2305 |
static void omap_pwl_update(struct omap_pwl_s *s) |
2306 |
{ |
2307 |
int output = (s->clk && s->enable) ? s->level : 0; |
2308 |
|
2309 |
if (output != s->output) {
|
2310 |
s->output = output; |
2311 |
printf("%s: Backlight now at %i/256\n", __FUNCTION__, output);
|
2312 |
} |
2313 |
} |
2314 |
|
2315 |
static uint64_t omap_pwl_read(void *opaque, hwaddr addr, |
2316 |
unsigned size)
|
2317 |
{ |
2318 |
struct omap_pwl_s *s = (struct omap_pwl_s *) opaque; |
2319 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
2320 |
|
2321 |
if (size != 1) { |
2322 |
return omap_badwidth_read8(opaque, addr);
|
2323 |
} |
2324 |
|
2325 |
switch (offset) {
|
2326 |
case 0x00: /* PWL_LEVEL */ |
2327 |
return s->level;
|
2328 |
case 0x04: /* PWL_CTRL */ |
2329 |
return s->enable;
|
2330 |
} |
2331 |
OMAP_BAD_REG(addr); |
2332 |
return 0; |
2333 |
} |
2334 |
|
2335 |
static void omap_pwl_write(void *opaque, hwaddr addr, |
2336 |
uint64_t value, unsigned size)
|
2337 |
{ |
2338 |
struct omap_pwl_s *s = (struct omap_pwl_s *) opaque; |
2339 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
2340 |
|
2341 |
if (size != 1) { |
2342 |
return omap_badwidth_write8(opaque, addr, value);
|
2343 |
} |
2344 |
|
2345 |
switch (offset) {
|
2346 |
case 0x00: /* PWL_LEVEL */ |
2347 |
s->level = value; |
2348 |
omap_pwl_update(s); |
2349 |
break;
|
2350 |
case 0x04: /* PWL_CTRL */ |
2351 |
s->enable = value & 1;
|
2352 |
omap_pwl_update(s); |
2353 |
break;
|
2354 |
default:
|
2355 |
OMAP_BAD_REG(addr); |
2356 |
return;
|
2357 |
} |
2358 |
} |
2359 |
|
2360 |
static const MemoryRegionOps omap_pwl_ops = { |
2361 |
.read = omap_pwl_read, |
2362 |
.write = omap_pwl_write, |
2363 |
.endianness = DEVICE_NATIVE_ENDIAN, |
2364 |
}; |
2365 |
|
2366 |
static void omap_pwl_reset(struct omap_pwl_s *s) |
2367 |
{ |
2368 |
s->output = 0;
|
2369 |
s->level = 0;
|
2370 |
s->enable = 0;
|
2371 |
s->clk = 1;
|
2372 |
omap_pwl_update(s); |
2373 |
} |
2374 |
|
2375 |
static void omap_pwl_clk_update(void *opaque, int line, int on) |
2376 |
{ |
2377 |
struct omap_pwl_s *s = (struct omap_pwl_s *) opaque; |
2378 |
|
2379 |
s->clk = on; |
2380 |
omap_pwl_update(s); |
2381 |
} |
2382 |
|
2383 |
static struct omap_pwl_s *omap_pwl_init(MemoryRegion *system_memory, |
2384 |
hwaddr base, |
2385 |
omap_clk clk) |
2386 |
{ |
2387 |
struct omap_pwl_s *s = g_malloc0(sizeof(*s)); |
2388 |
|
2389 |
omap_pwl_reset(s); |
2390 |
|
2391 |
memory_region_init_io(&s->iomem, &omap_pwl_ops, s, |
2392 |
"omap-pwl", 0x800); |
2393 |
memory_region_add_subregion(system_memory, base, &s->iomem); |
2394 |
|
2395 |
omap_clk_adduser(clk, qemu_allocate_irqs(omap_pwl_clk_update, s, 1)[0]); |
2396 |
return s;
|
2397 |
} |
2398 |
|
2399 |
/* Pulse-Width Tone module */
|
2400 |
struct omap_pwt_s {
|
2401 |
MemoryRegion iomem; |
2402 |
uint8_t frc; |
2403 |
uint8_t vrc; |
2404 |
uint8_t gcr; |
2405 |
omap_clk clk; |
2406 |
}; |
2407 |
|
2408 |
static uint64_t omap_pwt_read(void *opaque, hwaddr addr, |
2409 |
unsigned size)
|
2410 |
{ |
2411 |
struct omap_pwt_s *s = (struct omap_pwt_s *) opaque; |
2412 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
2413 |
|
2414 |
if (size != 1) { |
2415 |
return omap_badwidth_read8(opaque, addr);
|
2416 |
} |
2417 |
|
2418 |
switch (offset) {
|
2419 |
case 0x00: /* FRC */ |
2420 |
return s->frc;
|
2421 |
case 0x04: /* VCR */ |
2422 |
return s->vrc;
|
2423 |
case 0x08: /* GCR */ |
2424 |
return s->gcr;
|
2425 |
} |
2426 |
OMAP_BAD_REG(addr); |
2427 |
return 0; |
2428 |
} |
2429 |
|
2430 |
static void omap_pwt_write(void *opaque, hwaddr addr, |
2431 |
uint64_t value, unsigned size)
|
2432 |
{ |
2433 |
struct omap_pwt_s *s = (struct omap_pwt_s *) opaque; |
2434 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
2435 |
|
2436 |
if (size != 1) { |
2437 |
return omap_badwidth_write8(opaque, addr, value);
|
2438 |
} |
2439 |
|
2440 |
switch (offset) {
|
2441 |
case 0x00: /* FRC */ |
2442 |
s->frc = value & 0x3f;
|
2443 |
break;
|
2444 |
case 0x04: /* VRC */ |
2445 |
if ((value ^ s->vrc) & 1) { |
2446 |
if (value & 1) |
2447 |
printf("%s: %iHz buzz on\n", __FUNCTION__, (int) |
2448 |
/* 1.5 MHz from a 12-MHz or 13-MHz PWT_CLK */
|
2449 |
((omap_clk_getrate(s->clk) >> 3) /
|
2450 |
/* Pre-multiplexer divider */
|
2451 |
((s->gcr & 2) ? 1 : 154) / |
2452 |
/* Octave multiplexer */
|
2453 |
(2 << (value & 3)) * |
2454 |
/* 101/107 divider */
|
2455 |
((value & (1 << 2)) ? 101 : 107) * |
2456 |
/* 49/55 divider */
|
2457 |
((value & (1 << 3)) ? 49 : 55) * |
2458 |
/* 50/63 divider */
|
2459 |
((value & (1 << 4)) ? 50 : 63) * |
2460 |
/* 80/127 divider */
|
2461 |
((value & (1 << 5)) ? 80 : 127) / |
2462 |
(107 * 55 * 63 * 127))); |
2463 |
else
|
2464 |
printf("%s: silence!\n", __FUNCTION__);
|
2465 |
} |
2466 |
s->vrc = value & 0x7f;
|
2467 |
break;
|
2468 |
case 0x08: /* GCR */ |
2469 |
s->gcr = value & 3;
|
2470 |
break;
|
2471 |
default:
|
2472 |
OMAP_BAD_REG(addr); |
2473 |
return;
|
2474 |
} |
2475 |
} |
2476 |
|
2477 |
static const MemoryRegionOps omap_pwt_ops = { |
2478 |
.read =omap_pwt_read, |
2479 |
.write = omap_pwt_write, |
2480 |
.endianness = DEVICE_NATIVE_ENDIAN, |
2481 |
}; |
2482 |
|
2483 |
static void omap_pwt_reset(struct omap_pwt_s *s) |
2484 |
{ |
2485 |
s->frc = 0;
|
2486 |
s->vrc = 0;
|
2487 |
s->gcr = 0;
|
2488 |
} |
2489 |
|
2490 |
static struct omap_pwt_s *omap_pwt_init(MemoryRegion *system_memory, |
2491 |
hwaddr base, |
2492 |
omap_clk clk) |
2493 |
{ |
2494 |
struct omap_pwt_s *s = g_malloc0(sizeof(*s)); |
2495 |
s->clk = clk; |
2496 |
omap_pwt_reset(s); |
2497 |
|
2498 |
memory_region_init_io(&s->iomem, &omap_pwt_ops, s, |
2499 |
"omap-pwt", 0x800); |
2500 |
memory_region_add_subregion(system_memory, base, &s->iomem); |
2501 |
return s;
|
2502 |
} |
2503 |
|
2504 |
/* Real-time Clock module */
|
2505 |
struct omap_rtc_s {
|
2506 |
MemoryRegion iomem; |
2507 |
qemu_irq irq; |
2508 |
qemu_irq alarm; |
2509 |
QEMUTimer *clk; |
2510 |
|
2511 |
uint8_t interrupts; |
2512 |
uint8_t status; |
2513 |
int16_t comp_reg; |
2514 |
int running;
|
2515 |
int pm_am;
|
2516 |
int auto_comp;
|
2517 |
int round;
|
2518 |
struct tm alarm_tm;
|
2519 |
time_t alarm_ti; |
2520 |
|
2521 |
struct tm current_tm;
|
2522 |
time_t ti; |
2523 |
uint64_t tick; |
2524 |
}; |
2525 |
|
2526 |
static void omap_rtc_interrupts_update(struct omap_rtc_s *s) |
2527 |
{ |
2528 |
/* s->alarm is level-triggered */
|
2529 |
qemu_set_irq(s->alarm, (s->status >> 6) & 1); |
2530 |
} |
2531 |
|
2532 |
static void omap_rtc_alarm_update(struct omap_rtc_s *s) |
2533 |
{ |
2534 |
s->alarm_ti = mktimegm(&s->alarm_tm); |
2535 |
if (s->alarm_ti == -1) |
2536 |
printf("%s: conversion failed\n", __FUNCTION__);
|
2537 |
} |
2538 |
|
2539 |
static uint64_t omap_rtc_read(void *opaque, hwaddr addr, |
2540 |
unsigned size)
|
2541 |
{ |
2542 |
struct omap_rtc_s *s = (struct omap_rtc_s *) opaque; |
2543 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
2544 |
uint8_t i; |
2545 |
|
2546 |
if (size != 1) { |
2547 |
return omap_badwidth_read8(opaque, addr);
|
2548 |
} |
2549 |
|
2550 |
switch (offset) {
|
2551 |
case 0x00: /* SECONDS_REG */ |
2552 |
return to_bcd(s->current_tm.tm_sec);
|
2553 |
|
2554 |
case 0x04: /* MINUTES_REG */ |
2555 |
return to_bcd(s->current_tm.tm_min);
|
2556 |
|
2557 |
case 0x08: /* HOURS_REG */ |
2558 |
if (s->pm_am)
|
2559 |
return ((s->current_tm.tm_hour > 11) << 7) | |
2560 |
to_bcd(((s->current_tm.tm_hour - 1) % 12) + 1); |
2561 |
else
|
2562 |
return to_bcd(s->current_tm.tm_hour);
|
2563 |
|
2564 |
case 0x0c: /* DAYS_REG */ |
2565 |
return to_bcd(s->current_tm.tm_mday);
|
2566 |
|
2567 |
case 0x10: /* MONTHS_REG */ |
2568 |
return to_bcd(s->current_tm.tm_mon + 1); |
2569 |
|
2570 |
case 0x14: /* YEARS_REG */ |
2571 |
return to_bcd(s->current_tm.tm_year % 100); |
2572 |
|
2573 |
case 0x18: /* WEEK_REG */ |
2574 |
return s->current_tm.tm_wday;
|
2575 |
|
2576 |
case 0x20: /* ALARM_SECONDS_REG */ |
2577 |
return to_bcd(s->alarm_tm.tm_sec);
|
2578 |
|
2579 |
case 0x24: /* ALARM_MINUTES_REG */ |
2580 |
return to_bcd(s->alarm_tm.tm_min);
|
2581 |
|
2582 |
case 0x28: /* ALARM_HOURS_REG */ |
2583 |
if (s->pm_am)
|
2584 |
return ((s->alarm_tm.tm_hour > 11) << 7) | |
2585 |
to_bcd(((s->alarm_tm.tm_hour - 1) % 12) + 1); |
2586 |
else
|
2587 |
return to_bcd(s->alarm_tm.tm_hour);
|
2588 |
|
2589 |
case 0x2c: /* ALARM_DAYS_REG */ |
2590 |
return to_bcd(s->alarm_tm.tm_mday);
|
2591 |
|
2592 |
case 0x30: /* ALARM_MONTHS_REG */ |
2593 |
return to_bcd(s->alarm_tm.tm_mon + 1); |
2594 |
|
2595 |
case 0x34: /* ALARM_YEARS_REG */ |
2596 |
return to_bcd(s->alarm_tm.tm_year % 100); |
2597 |
|
2598 |
case 0x40: /* RTC_CTRL_REG */ |
2599 |
return (s->pm_am << 3) | (s->auto_comp << 2) | |
2600 |
(s->round << 1) | s->running;
|
2601 |
|
2602 |
case 0x44: /* RTC_STATUS_REG */ |
2603 |
i = s->status; |
2604 |
s->status &= ~0x3d;
|
2605 |
return i;
|
2606 |
|
2607 |
case 0x48: /* RTC_INTERRUPTS_REG */ |
2608 |
return s->interrupts;
|
2609 |
|
2610 |
case 0x4c: /* RTC_COMP_LSB_REG */ |
2611 |
return ((uint16_t) s->comp_reg) & 0xff; |
2612 |
|
2613 |
case 0x50: /* RTC_COMP_MSB_REG */ |
2614 |
return ((uint16_t) s->comp_reg) >> 8; |
2615 |
} |
2616 |
|
2617 |
OMAP_BAD_REG(addr); |
2618 |
return 0; |
2619 |
} |
2620 |
|
2621 |
static void omap_rtc_write(void *opaque, hwaddr addr, |
2622 |
uint64_t value, unsigned size)
|
2623 |
{ |
2624 |
struct omap_rtc_s *s = (struct omap_rtc_s *) opaque; |
2625 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
2626 |
struct tm new_tm;
|
2627 |
time_t ti[2];
|
2628 |
|
2629 |
if (size != 1) { |
2630 |
return omap_badwidth_write8(opaque, addr, value);
|
2631 |
} |
2632 |
|
2633 |
switch (offset) {
|
2634 |
case 0x00: /* SECONDS_REG */ |
2635 |
#ifdef ALMDEBUG
|
2636 |
printf("RTC SEC_REG <-- %02x\n", value);
|
2637 |
#endif
|
2638 |
s->ti -= s->current_tm.tm_sec; |
2639 |
s->ti += from_bcd(value); |
2640 |
return;
|
2641 |
|
2642 |
case 0x04: /* MINUTES_REG */ |
2643 |
#ifdef ALMDEBUG
|
2644 |
printf("RTC MIN_REG <-- %02x\n", value);
|
2645 |
#endif
|
2646 |
s->ti -= s->current_tm.tm_min * 60;
|
2647 |
s->ti += from_bcd(value) * 60;
|
2648 |
return;
|
2649 |
|
2650 |
case 0x08: /* HOURS_REG */ |
2651 |
#ifdef ALMDEBUG
|
2652 |
printf("RTC HRS_REG <-- %02x\n", value);
|
2653 |
#endif
|
2654 |
s->ti -= s->current_tm.tm_hour * 3600;
|
2655 |
if (s->pm_am) {
|
2656 |
s->ti += (from_bcd(value & 0x3f) & 12) * 3600; |
2657 |
s->ti += ((value >> 7) & 1) * 43200; |
2658 |
} else
|
2659 |
s->ti += from_bcd(value & 0x3f) * 3600; |
2660 |
return;
|
2661 |
|
2662 |
case 0x0c: /* DAYS_REG */ |
2663 |
#ifdef ALMDEBUG
|
2664 |
printf("RTC DAY_REG <-- %02x\n", value);
|
2665 |
#endif
|
2666 |
s->ti -= s->current_tm.tm_mday * 86400;
|
2667 |
s->ti += from_bcd(value) * 86400;
|
2668 |
return;
|
2669 |
|
2670 |
case 0x10: /* MONTHS_REG */ |
2671 |
#ifdef ALMDEBUG
|
2672 |
printf("RTC MTH_REG <-- %02x\n", value);
|
2673 |
#endif
|
2674 |
memcpy(&new_tm, &s->current_tm, sizeof(new_tm));
|
2675 |
new_tm.tm_mon = from_bcd(value); |
2676 |
ti[0] = mktimegm(&s->current_tm);
|
2677 |
ti[1] = mktimegm(&new_tm);
|
2678 |
|
2679 |
if (ti[0] != -1 && ti[1] != -1) { |
2680 |
s->ti -= ti[0];
|
2681 |
s->ti += ti[1];
|
2682 |
} else {
|
2683 |
/* A less accurate version */
|
2684 |
s->ti -= s->current_tm.tm_mon * 2592000;
|
2685 |
s->ti += from_bcd(value) * 2592000;
|
2686 |
} |
2687 |
return;
|
2688 |
|
2689 |
case 0x14: /* YEARS_REG */ |
2690 |
#ifdef ALMDEBUG
|
2691 |
printf("RTC YRS_REG <-- %02x\n", value);
|
2692 |
#endif
|
2693 |
memcpy(&new_tm, &s->current_tm, sizeof(new_tm));
|
2694 |
new_tm.tm_year += from_bcd(value) - (new_tm.tm_year % 100);
|
2695 |
ti[0] = mktimegm(&s->current_tm);
|
2696 |
ti[1] = mktimegm(&new_tm);
|
2697 |
|
2698 |
if (ti[0] != -1 && ti[1] != -1) { |
2699 |
s->ti -= ti[0];
|
2700 |
s->ti += ti[1];
|
2701 |
} else {
|
2702 |
/* A less accurate version */
|
2703 |
s->ti -= (s->current_tm.tm_year % 100) * 31536000; |
2704 |
s->ti += from_bcd(value) * 31536000;
|
2705 |
} |
2706 |
return;
|
2707 |
|
2708 |
case 0x18: /* WEEK_REG */ |
2709 |
return; /* Ignored */ |
2710 |
|
2711 |
case 0x20: /* ALARM_SECONDS_REG */ |
2712 |
#ifdef ALMDEBUG
|
2713 |
printf("ALM SEC_REG <-- %02x\n", value);
|
2714 |
#endif
|
2715 |
s->alarm_tm.tm_sec = from_bcd(value); |
2716 |
omap_rtc_alarm_update(s); |
2717 |
return;
|
2718 |
|
2719 |
case 0x24: /* ALARM_MINUTES_REG */ |
2720 |
#ifdef ALMDEBUG
|
2721 |
printf("ALM MIN_REG <-- %02x\n", value);
|
2722 |
#endif
|
2723 |
s->alarm_tm.tm_min = from_bcd(value); |
2724 |
omap_rtc_alarm_update(s); |
2725 |
return;
|
2726 |
|
2727 |
case 0x28: /* ALARM_HOURS_REG */ |
2728 |
#ifdef ALMDEBUG
|
2729 |
printf("ALM HRS_REG <-- %02x\n", value);
|
2730 |
#endif
|
2731 |
if (s->pm_am)
|
2732 |
s->alarm_tm.tm_hour = |
2733 |
((from_bcd(value & 0x3f)) % 12) + |
2734 |
((value >> 7) & 1) * 12; |
2735 |
else
|
2736 |
s->alarm_tm.tm_hour = from_bcd(value); |
2737 |
omap_rtc_alarm_update(s); |
2738 |
return;
|
2739 |
|
2740 |
case 0x2c: /* ALARM_DAYS_REG */ |
2741 |
#ifdef ALMDEBUG
|
2742 |
printf("ALM DAY_REG <-- %02x\n", value);
|
2743 |
#endif
|
2744 |
s->alarm_tm.tm_mday = from_bcd(value); |
2745 |
omap_rtc_alarm_update(s); |
2746 |
return;
|
2747 |
|
2748 |
case 0x30: /* ALARM_MONTHS_REG */ |
2749 |
#ifdef ALMDEBUG
|
2750 |
printf("ALM MON_REG <-- %02x\n", value);
|
2751 |
#endif
|
2752 |
s->alarm_tm.tm_mon = from_bcd(value); |
2753 |
omap_rtc_alarm_update(s); |
2754 |
return;
|
2755 |
|
2756 |
case 0x34: /* ALARM_YEARS_REG */ |
2757 |
#ifdef ALMDEBUG
|
2758 |
printf("ALM YRS_REG <-- %02x\n", value);
|
2759 |
#endif
|
2760 |
s->alarm_tm.tm_year = from_bcd(value); |
2761 |
omap_rtc_alarm_update(s); |
2762 |
return;
|
2763 |
|
2764 |
case 0x40: /* RTC_CTRL_REG */ |
2765 |
#ifdef ALMDEBUG
|
2766 |
printf("RTC CONTROL <-- %02x\n", value);
|
2767 |
#endif
|
2768 |
s->pm_am = (value >> 3) & 1; |
2769 |
s->auto_comp = (value >> 2) & 1; |
2770 |
s->round = (value >> 1) & 1; |
2771 |
s->running = value & 1;
|
2772 |
s->status &= 0xfd;
|
2773 |
s->status |= s->running << 1;
|
2774 |
return;
|
2775 |
|
2776 |
case 0x44: /* RTC_STATUS_REG */ |
2777 |
#ifdef ALMDEBUG
|
2778 |
printf("RTC STATUSL <-- %02x\n", value);
|
2779 |
#endif
|
2780 |
s->status &= ~((value & 0xc0) ^ 0x80); |
2781 |
omap_rtc_interrupts_update(s); |
2782 |
return;
|
2783 |
|
2784 |
case 0x48: /* RTC_INTERRUPTS_REG */ |
2785 |
#ifdef ALMDEBUG
|
2786 |
printf("RTC INTRS <-- %02x\n", value);
|
2787 |
#endif
|
2788 |
s->interrupts = value; |
2789 |
return;
|
2790 |
|
2791 |
case 0x4c: /* RTC_COMP_LSB_REG */ |
2792 |
#ifdef ALMDEBUG
|
2793 |
printf("RTC COMPLSB <-- %02x\n", value);
|
2794 |
#endif
|
2795 |
s->comp_reg &= 0xff00;
|
2796 |
s->comp_reg |= 0x00ff & value;
|
2797 |
return;
|
2798 |
|
2799 |
case 0x50: /* RTC_COMP_MSB_REG */ |
2800 |
#ifdef ALMDEBUG
|
2801 |
printf("RTC COMPMSB <-- %02x\n", value);
|
2802 |
#endif
|
2803 |
s->comp_reg &= 0x00ff;
|
2804 |
s->comp_reg |= 0xff00 & (value << 8); |
2805 |
return;
|
2806 |
|
2807 |
default:
|
2808 |
OMAP_BAD_REG(addr); |
2809 |
return;
|
2810 |
} |
2811 |
} |
2812 |
|
2813 |
static const MemoryRegionOps omap_rtc_ops = { |
2814 |
.read = omap_rtc_read, |
2815 |
.write = omap_rtc_write, |
2816 |
.endianness = DEVICE_NATIVE_ENDIAN, |
2817 |
}; |
2818 |
|
2819 |
static void omap_rtc_tick(void *opaque) |
2820 |
{ |
2821 |
struct omap_rtc_s *s = opaque;
|
2822 |
|
2823 |
if (s->round) {
|
2824 |
/* Round to nearest full minute. */
|
2825 |
if (s->current_tm.tm_sec < 30) |
2826 |
s->ti -= s->current_tm.tm_sec; |
2827 |
else
|
2828 |
s->ti += 60 - s->current_tm.tm_sec;
|
2829 |
|
2830 |
s->round = 0;
|
2831 |
} |
2832 |
|
2833 |
memcpy(&s->current_tm, localtime(&s->ti), sizeof(s->current_tm));
|
2834 |
|
2835 |
if ((s->interrupts & 0x08) && s->ti == s->alarm_ti) { |
2836 |
s->status |= 0x40;
|
2837 |
omap_rtc_interrupts_update(s); |
2838 |
} |
2839 |
|
2840 |
if (s->interrupts & 0x04) |
2841 |
switch (s->interrupts & 3) { |
2842 |
case 0: |
2843 |
s->status |= 0x04;
|
2844 |
qemu_irq_pulse(s->irq); |
2845 |
break;
|
2846 |
case 1: |
2847 |
if (s->current_tm.tm_sec)
|
2848 |
break;
|
2849 |
s->status |= 0x08;
|
2850 |
qemu_irq_pulse(s->irq); |
2851 |
break;
|
2852 |
case 2: |
2853 |
if (s->current_tm.tm_sec || s->current_tm.tm_min)
|
2854 |
break;
|
2855 |
s->status |= 0x10;
|
2856 |
qemu_irq_pulse(s->irq); |
2857 |
break;
|
2858 |
case 3: |
2859 |
if (s->current_tm.tm_sec ||
|
2860 |
s->current_tm.tm_min || s->current_tm.tm_hour) |
2861 |
break;
|
2862 |
s->status |= 0x20;
|
2863 |
qemu_irq_pulse(s->irq); |
2864 |
break;
|
2865 |
} |
2866 |
|
2867 |
/* Move on */
|
2868 |
if (s->running)
|
2869 |
s->ti ++; |
2870 |
s->tick += 1000;
|
2871 |
|
2872 |
/*
|
2873 |
* Every full hour add a rough approximation of the compensation
|
2874 |
* register to the 32kHz Timer (which drives the RTC) value.
|
2875 |
*/
|
2876 |
if (s->auto_comp && !s->current_tm.tm_sec && !s->current_tm.tm_min)
|
2877 |
s->tick += s->comp_reg * 1000 / 32768; |
2878 |
|
2879 |
qemu_mod_timer(s->clk, s->tick); |
2880 |
} |
2881 |
|
2882 |
static void omap_rtc_reset(struct omap_rtc_s *s) |
2883 |
{ |
2884 |
struct tm tm;
|
2885 |
|
2886 |
s->interrupts = 0;
|
2887 |
s->comp_reg = 0;
|
2888 |
s->running = 0;
|
2889 |
s->pm_am = 0;
|
2890 |
s->auto_comp = 0;
|
2891 |
s->round = 0;
|
2892 |
s->tick = qemu_get_clock_ms(rtc_clock); |
2893 |
memset(&s->alarm_tm, 0, sizeof(s->alarm_tm)); |
2894 |
s->alarm_tm.tm_mday = 0x01;
|
2895 |
s->status = 1 << 7; |
2896 |
qemu_get_timedate(&tm, 0);
|
2897 |
s->ti = mktimegm(&tm); |
2898 |
|
2899 |
omap_rtc_alarm_update(s); |
2900 |
omap_rtc_tick(s); |
2901 |
} |
2902 |
|
2903 |
static struct omap_rtc_s *omap_rtc_init(MemoryRegion *system_memory, |
2904 |
hwaddr base, |
2905 |
qemu_irq timerirq, qemu_irq alarmirq, |
2906 |
omap_clk clk) |
2907 |
{ |
2908 |
struct omap_rtc_s *s = (struct omap_rtc_s *) |
2909 |
g_malloc0(sizeof(struct omap_rtc_s)); |
2910 |
|
2911 |
s->irq = timerirq; |
2912 |
s->alarm = alarmirq; |
2913 |
s->clk = qemu_new_timer_ms(rtc_clock, omap_rtc_tick, s); |
2914 |
|
2915 |
omap_rtc_reset(s); |
2916 |
|
2917 |
memory_region_init_io(&s->iomem, &omap_rtc_ops, s, |
2918 |
"omap-rtc", 0x800); |
2919 |
memory_region_add_subregion(system_memory, base, &s->iomem); |
2920 |
|
2921 |
return s;
|
2922 |
} |
2923 |
|
2924 |
/* Multi-channel Buffered Serial Port interfaces */
|
2925 |
struct omap_mcbsp_s {
|
2926 |
MemoryRegion iomem; |
2927 |
qemu_irq txirq; |
2928 |
qemu_irq rxirq; |
2929 |
qemu_irq txdrq; |
2930 |
qemu_irq rxdrq; |
2931 |
|
2932 |
uint16_t spcr[2];
|
2933 |
uint16_t rcr[2];
|
2934 |
uint16_t xcr[2];
|
2935 |
uint16_t srgr[2];
|
2936 |
uint16_t mcr[2];
|
2937 |
uint16_t pcr; |
2938 |
uint16_t rcer[8];
|
2939 |
uint16_t xcer[8];
|
2940 |
int tx_rate;
|
2941 |
int rx_rate;
|
2942 |
int tx_req;
|
2943 |
int rx_req;
|
2944 |
|
2945 |
I2SCodec *codec; |
2946 |
QEMUTimer *source_timer; |
2947 |
QEMUTimer *sink_timer; |
2948 |
}; |
2949 |
|
2950 |
static void omap_mcbsp_intr_update(struct omap_mcbsp_s *s) |
2951 |
{ |
2952 |
int irq;
|
2953 |
|
2954 |
switch ((s->spcr[0] >> 4) & 3) { /* RINTM */ |
2955 |
case 0: |
2956 |
irq = (s->spcr[0] >> 1) & 1; /* RRDY */ |
2957 |
break;
|
2958 |
case 3: |
2959 |
irq = (s->spcr[0] >> 3) & 1; /* RSYNCERR */ |
2960 |
break;
|
2961 |
default:
|
2962 |
irq = 0;
|
2963 |
break;
|
2964 |
} |
2965 |
|
2966 |
if (irq)
|
2967 |
qemu_irq_pulse(s->rxirq); |
2968 |
|
2969 |
switch ((s->spcr[1] >> 4) & 3) { /* XINTM */ |
2970 |
case 0: |
2971 |
irq = (s->spcr[1] >> 1) & 1; /* XRDY */ |
2972 |
break;
|
2973 |
case 3: |
2974 |
irq = (s->spcr[1] >> 3) & 1; /* XSYNCERR */ |
2975 |
break;
|
2976 |
default:
|
2977 |
irq = 0;
|
2978 |
break;
|
2979 |
} |
2980 |
|
2981 |
if (irq)
|
2982 |
qemu_irq_pulse(s->txirq); |
2983 |
} |
2984 |
|
2985 |
static void omap_mcbsp_rx_newdata(struct omap_mcbsp_s *s) |
2986 |
{ |
2987 |
if ((s->spcr[0] >> 1) & 1) /* RRDY */ |
2988 |
s->spcr[0] |= 1 << 2; /* RFULL */ |
2989 |
s->spcr[0] |= 1 << 1; /* RRDY */ |
2990 |
qemu_irq_raise(s->rxdrq); |
2991 |
omap_mcbsp_intr_update(s); |
2992 |
} |
2993 |
|
2994 |
static void omap_mcbsp_source_tick(void *opaque) |
2995 |
{ |
2996 |
struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; |
2997 |
static const int bps[8] = { 0, 1, 1, 2, 2, 2, -255, -255 }; |
2998 |
|
2999 |
if (!s->rx_rate)
|
3000 |
return;
|
3001 |
if (s->rx_req)
|
3002 |
printf("%s: Rx FIFO overrun\n", __FUNCTION__);
|
3003 |
|
3004 |
s->rx_req = s->rx_rate << bps[(s->rcr[0] >> 5) & 7]; |
3005 |
|
3006 |
omap_mcbsp_rx_newdata(s); |
3007 |
qemu_mod_timer(s->source_timer, qemu_get_clock_ns(vm_clock) + |
3008 |
get_ticks_per_sec()); |
3009 |
} |
3010 |
|
3011 |
static void omap_mcbsp_rx_start(struct omap_mcbsp_s *s) |
3012 |
{ |
3013 |
if (!s->codec || !s->codec->rts)
|
3014 |
omap_mcbsp_source_tick(s); |
3015 |
else if (s->codec->in.len) { |
3016 |
s->rx_req = s->codec->in.len; |
3017 |
omap_mcbsp_rx_newdata(s); |
3018 |
} |
3019 |
} |
3020 |
|
3021 |
static void omap_mcbsp_rx_stop(struct omap_mcbsp_s *s) |
3022 |
{ |
3023 |
qemu_del_timer(s->source_timer); |
3024 |
} |
3025 |
|
3026 |
static void omap_mcbsp_rx_done(struct omap_mcbsp_s *s) |
3027 |
{ |
3028 |
s->spcr[0] &= ~(1 << 1); /* RRDY */ |
3029 |
qemu_irq_lower(s->rxdrq); |
3030 |
omap_mcbsp_intr_update(s); |
3031 |
} |
3032 |
|
3033 |
static void omap_mcbsp_tx_newdata(struct omap_mcbsp_s *s) |
3034 |
{ |
3035 |
s->spcr[1] |= 1 << 1; /* XRDY */ |
3036 |
qemu_irq_raise(s->txdrq); |
3037 |
omap_mcbsp_intr_update(s); |
3038 |
} |
3039 |
|
3040 |
static void omap_mcbsp_sink_tick(void *opaque) |
3041 |
{ |
3042 |
struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; |
3043 |
static const int bps[8] = { 0, 1, 1, 2, 2, 2, -255, -255 }; |
3044 |
|
3045 |
if (!s->tx_rate)
|
3046 |
return;
|
3047 |
if (s->tx_req)
|
3048 |
printf("%s: Tx FIFO underrun\n", __FUNCTION__);
|
3049 |
|
3050 |
s->tx_req = s->tx_rate << bps[(s->xcr[0] >> 5) & 7]; |
3051 |
|
3052 |
omap_mcbsp_tx_newdata(s); |
3053 |
qemu_mod_timer(s->sink_timer, qemu_get_clock_ns(vm_clock) + |
3054 |
get_ticks_per_sec()); |
3055 |
} |
3056 |
|
3057 |
static void omap_mcbsp_tx_start(struct omap_mcbsp_s *s) |
3058 |
{ |
3059 |
if (!s->codec || !s->codec->cts)
|
3060 |
omap_mcbsp_sink_tick(s); |
3061 |
else if (s->codec->out.size) { |
3062 |
s->tx_req = s->codec->out.size; |
3063 |
omap_mcbsp_tx_newdata(s); |
3064 |
} |
3065 |
} |
3066 |
|
3067 |
static void omap_mcbsp_tx_done(struct omap_mcbsp_s *s) |
3068 |
{ |
3069 |
s->spcr[1] &= ~(1 << 1); /* XRDY */ |
3070 |
qemu_irq_lower(s->txdrq); |
3071 |
omap_mcbsp_intr_update(s); |
3072 |
if (s->codec && s->codec->cts)
|
3073 |
s->codec->tx_swallow(s->codec->opaque); |
3074 |
} |
3075 |
|
3076 |
static void omap_mcbsp_tx_stop(struct omap_mcbsp_s *s) |
3077 |
{ |
3078 |
s->tx_req = 0;
|
3079 |
omap_mcbsp_tx_done(s); |
3080 |
qemu_del_timer(s->sink_timer); |
3081 |
} |
3082 |
|
3083 |
static void omap_mcbsp_req_update(struct omap_mcbsp_s *s) |
3084 |
{ |
3085 |
int prev_rx_rate, prev_tx_rate;
|
3086 |
int rx_rate = 0, tx_rate = 0; |
3087 |
int cpu_rate = 1500000; /* XXX */ |
3088 |
|
3089 |
/* TODO: check CLKSTP bit */
|
3090 |
if (s->spcr[1] & (1 << 6)) { /* GRST */ |
3091 |
if (s->spcr[0] & (1 << 0)) { /* RRST */ |
3092 |
if ((s->srgr[1] & (1 << 13)) && /* CLKSM */ |
3093 |
(s->pcr & (1 << 8))) { /* CLKRM */ |
3094 |
if (~s->pcr & (1 << 7)) /* SCLKME */ |
3095 |
rx_rate = cpu_rate / |
3096 |
((s->srgr[0] & 0xff) + 1); /* CLKGDV */ |
3097 |
} else
|
3098 |
if (s->codec)
|
3099 |
rx_rate = s->codec->rx_rate; |
3100 |
} |
3101 |
|
3102 |
if (s->spcr[1] & (1 << 0)) { /* XRST */ |
3103 |
if ((s->srgr[1] & (1 << 13)) && /* CLKSM */ |
3104 |
(s->pcr & (1 << 9))) { /* CLKXM */ |
3105 |
if (~s->pcr & (1 << 7)) /* SCLKME */ |
3106 |
tx_rate = cpu_rate / |
3107 |
((s->srgr[0] & 0xff) + 1); /* CLKGDV */ |
3108 |
} else
|
3109 |
if (s->codec)
|
3110 |
tx_rate = s->codec->tx_rate; |
3111 |
} |
3112 |
} |
3113 |
prev_tx_rate = s->tx_rate; |
3114 |
prev_rx_rate = s->rx_rate; |
3115 |
s->tx_rate = tx_rate; |
3116 |
s->rx_rate = rx_rate; |
3117 |
|
3118 |
if (s->codec)
|
3119 |
s->codec->set_rate(s->codec->opaque, rx_rate, tx_rate); |
3120 |
|
3121 |
if (!prev_tx_rate && tx_rate)
|
3122 |
omap_mcbsp_tx_start(s); |
3123 |
else if (s->tx_rate && !tx_rate) |
3124 |
omap_mcbsp_tx_stop(s); |
3125 |
|
3126 |
if (!prev_rx_rate && rx_rate)
|
3127 |
omap_mcbsp_rx_start(s); |
3128 |
else if (prev_tx_rate && !tx_rate) |
3129 |
omap_mcbsp_rx_stop(s); |
3130 |
} |
3131 |
|
3132 |
static uint64_t omap_mcbsp_read(void *opaque, hwaddr addr, |
3133 |
unsigned size)
|
3134 |
{ |
3135 |
struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; |
3136 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
3137 |
uint16_t ret; |
3138 |
|
3139 |
if (size != 2) { |
3140 |
return omap_badwidth_read16(opaque, addr);
|
3141 |
} |
3142 |
|
3143 |
switch (offset) {
|
3144 |
case 0x00: /* DRR2 */ |
3145 |
if (((s->rcr[0] >> 5) & 7) < 3) /* RWDLEN1 */ |
3146 |
return 0x0000; |
3147 |
/* Fall through. */
|
3148 |
case 0x02: /* DRR1 */ |
3149 |
if (s->rx_req < 2) { |
3150 |
printf("%s: Rx FIFO underrun\n", __FUNCTION__);
|
3151 |
omap_mcbsp_rx_done(s); |
3152 |
} else {
|
3153 |
s->tx_req -= 2;
|
3154 |
if (s->codec && s->codec->in.len >= 2) { |
3155 |
ret = s->codec->in.fifo[s->codec->in.start ++] << 8;
|
3156 |
ret |= s->codec->in.fifo[s->codec->in.start ++]; |
3157 |
s->codec->in.len -= 2;
|
3158 |
} else
|
3159 |
ret = 0x0000;
|
3160 |
if (!s->tx_req)
|
3161 |
omap_mcbsp_rx_done(s); |
3162 |
return ret;
|
3163 |
} |
3164 |
return 0x0000; |
3165 |
|
3166 |
case 0x04: /* DXR2 */ |
3167 |
case 0x06: /* DXR1 */ |
3168 |
return 0x0000; |
3169 |
|
3170 |
case 0x08: /* SPCR2 */ |
3171 |
return s->spcr[1]; |
3172 |
case 0x0a: /* SPCR1 */ |
3173 |
return s->spcr[0]; |
3174 |
case 0x0c: /* RCR2 */ |
3175 |
return s->rcr[1]; |
3176 |
case 0x0e: /* RCR1 */ |
3177 |
return s->rcr[0]; |
3178 |
case 0x10: /* XCR2 */ |
3179 |
return s->xcr[1]; |
3180 |
case 0x12: /* XCR1 */ |
3181 |
return s->xcr[0]; |
3182 |
case 0x14: /* SRGR2 */ |
3183 |
return s->srgr[1]; |
3184 |
case 0x16: /* SRGR1 */ |
3185 |
return s->srgr[0]; |
3186 |
case 0x18: /* MCR2 */ |
3187 |
return s->mcr[1]; |
3188 |
case 0x1a: /* MCR1 */ |
3189 |
return s->mcr[0]; |
3190 |
case 0x1c: /* RCERA */ |
3191 |
return s->rcer[0]; |
3192 |
case 0x1e: /* RCERB */ |
3193 |
return s->rcer[1]; |
3194 |
case 0x20: /* XCERA */ |
3195 |
return s->xcer[0]; |
3196 |
case 0x22: /* XCERB */ |
3197 |
return s->xcer[1]; |
3198 |
case 0x24: /* PCR0 */ |
3199 |
return s->pcr;
|
3200 |
case 0x26: /* RCERC */ |
3201 |
return s->rcer[2]; |
3202 |
case 0x28: /* RCERD */ |
3203 |
return s->rcer[3]; |
3204 |
case 0x2a: /* XCERC */ |
3205 |
return s->xcer[2]; |
3206 |
case 0x2c: /* XCERD */ |
3207 |
return s->xcer[3]; |
3208 |
case 0x2e: /* RCERE */ |
3209 |
return s->rcer[4]; |
3210 |
case 0x30: /* RCERF */ |
3211 |
return s->rcer[5]; |
3212 |
case 0x32: /* XCERE */ |
3213 |
return s->xcer[4]; |
3214 |
case 0x34: /* XCERF */ |
3215 |
return s->xcer[5]; |
3216 |
case 0x36: /* RCERG */ |
3217 |
return s->rcer[6]; |
3218 |
case 0x38: /* RCERH */ |
3219 |
return s->rcer[7]; |
3220 |
case 0x3a: /* XCERG */ |
3221 |
return s->xcer[6]; |
3222 |
case 0x3c: /* XCERH */ |
3223 |
return s->xcer[7]; |
3224 |
} |
3225 |
|
3226 |
OMAP_BAD_REG(addr); |
3227 |
return 0; |
3228 |
} |
3229 |
|
3230 |
static void omap_mcbsp_writeh(void *opaque, hwaddr addr, |
3231 |
uint32_t value) |
3232 |
{ |
3233 |
struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; |
3234 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
3235 |
|
3236 |
switch (offset) {
|
3237 |
case 0x00: /* DRR2 */ |
3238 |
case 0x02: /* DRR1 */ |
3239 |
OMAP_RO_REG(addr); |
3240 |
return;
|
3241 |
|
3242 |
case 0x04: /* DXR2 */ |
3243 |
if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */ |
3244 |
return;
|
3245 |
/* Fall through. */
|
3246 |
case 0x06: /* DXR1 */ |
3247 |
if (s->tx_req > 1) { |
3248 |
s->tx_req -= 2;
|
3249 |
if (s->codec && s->codec->cts) {
|
3250 |
s->codec->out.fifo[s->codec->out.len ++] = (value >> 8) & 0xff; |
3251 |
s->codec->out.fifo[s->codec->out.len ++] = (value >> 0) & 0xff; |
3252 |
} |
3253 |
if (s->tx_req < 2) |
3254 |
omap_mcbsp_tx_done(s); |
3255 |
} else
|
3256 |
printf("%s: Tx FIFO overrun\n", __FUNCTION__);
|
3257 |
return;
|
3258 |
|
3259 |
case 0x08: /* SPCR2 */ |
3260 |
s->spcr[1] &= 0x0002; |
3261 |
s->spcr[1] |= 0x03f9 & value; |
3262 |
s->spcr[1] |= 0x0004 & (value << 2); /* XEMPTY := XRST */ |
3263 |
if (~value & 1) /* XRST */ |
3264 |
s->spcr[1] &= ~6; |
3265 |
omap_mcbsp_req_update(s); |
3266 |
return;
|
3267 |
case 0x0a: /* SPCR1 */ |
3268 |
s->spcr[0] &= 0x0006; |
3269 |
s->spcr[0] |= 0xf8f9 & value; |
3270 |
if (value & (1 << 15)) /* DLB */ |
3271 |
printf("%s: Digital Loopback mode enable attempt\n", __FUNCTION__);
|
3272 |
if (~value & 1) { /* RRST */ |
3273 |
s->spcr[0] &= ~6; |
3274 |
s->rx_req = 0;
|
3275 |
omap_mcbsp_rx_done(s); |
3276 |
} |
3277 |
omap_mcbsp_req_update(s); |
3278 |
return;
|
3279 |
|
3280 |
case 0x0c: /* RCR2 */ |
3281 |
s->rcr[1] = value & 0xffff; |
3282 |
return;
|
3283 |
case 0x0e: /* RCR1 */ |
3284 |
s->rcr[0] = value & 0x7fe0; |
3285 |
return;
|
3286 |
case 0x10: /* XCR2 */ |
3287 |
s->xcr[1] = value & 0xffff; |
3288 |
return;
|
3289 |
case 0x12: /* XCR1 */ |
3290 |
s->xcr[0] = value & 0x7fe0; |
3291 |
return;
|
3292 |
case 0x14: /* SRGR2 */ |
3293 |
s->srgr[1] = value & 0xffff; |
3294 |
omap_mcbsp_req_update(s); |
3295 |
return;
|
3296 |
case 0x16: /* SRGR1 */ |
3297 |
s->srgr[0] = value & 0xffff; |
3298 |
omap_mcbsp_req_update(s); |
3299 |
return;
|
3300 |
case 0x18: /* MCR2 */ |
3301 |
s->mcr[1] = value & 0x03e3; |
3302 |
if (value & 3) /* XMCM */ |
3303 |
printf("%s: Tx channel selection mode enable attempt\n",
|
3304 |
__FUNCTION__); |
3305 |
return;
|
3306 |
case 0x1a: /* MCR1 */ |
3307 |
s->mcr[0] = value & 0x03e1; |
3308 |
if (value & 1) /* RMCM */ |
3309 |
printf("%s: Rx channel selection mode enable attempt\n",
|
3310 |
__FUNCTION__); |
3311 |
return;
|
3312 |
case 0x1c: /* RCERA */ |
3313 |
s->rcer[0] = value & 0xffff; |
3314 |
return;
|
3315 |
case 0x1e: /* RCERB */ |
3316 |
s->rcer[1] = value & 0xffff; |
3317 |
return;
|
3318 |
case 0x20: /* XCERA */ |
3319 |
s->xcer[0] = value & 0xffff; |
3320 |
return;
|
3321 |
case 0x22: /* XCERB */ |
3322 |
s->xcer[1] = value & 0xffff; |
3323 |
return;
|
3324 |
case 0x24: /* PCR0 */ |
3325 |
s->pcr = value & 0x7faf;
|
3326 |
return;
|
3327 |
case 0x26: /* RCERC */ |
3328 |
s->rcer[2] = value & 0xffff; |
3329 |
return;
|
3330 |
case 0x28: /* RCERD */ |
3331 |
s->rcer[3] = value & 0xffff; |
3332 |
return;
|
3333 |
case 0x2a: /* XCERC */ |
3334 |
s->xcer[2] = value & 0xffff; |
3335 |
return;
|
3336 |
case 0x2c: /* XCERD */ |
3337 |
s->xcer[3] = value & 0xffff; |
3338 |
return;
|
3339 |
case 0x2e: /* RCERE */ |
3340 |
s->rcer[4] = value & 0xffff; |
3341 |
return;
|
3342 |
case 0x30: /* RCERF */ |
3343 |
s->rcer[5] = value & 0xffff; |
3344 |
return;
|
3345 |
case 0x32: /* XCERE */ |
3346 |
s->xcer[4] = value & 0xffff; |
3347 |
return;
|
3348 |
case 0x34: /* XCERF */ |
3349 |
s->xcer[5] = value & 0xffff; |
3350 |
return;
|
3351 |
case 0x36: /* RCERG */ |
3352 |
s->rcer[6] = value & 0xffff; |
3353 |
return;
|
3354 |
case 0x38: /* RCERH */ |
3355 |
s->rcer[7] = value & 0xffff; |
3356 |
return;
|
3357 |
case 0x3a: /* XCERG */ |
3358 |
s->xcer[6] = value & 0xffff; |
3359 |
return;
|
3360 |
case 0x3c: /* XCERH */ |
3361 |
s->xcer[7] = value & 0xffff; |
3362 |
return;
|
3363 |
} |
3364 |
|
3365 |
OMAP_BAD_REG(addr); |
3366 |
} |
3367 |
|
3368 |
static void omap_mcbsp_writew(void *opaque, hwaddr addr, |
3369 |
uint32_t value) |
3370 |
{ |
3371 |
struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; |
3372 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
3373 |
|
3374 |
if (offset == 0x04) { /* DXR */ |
3375 |
if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */ |
3376 |
return;
|
3377 |
if (s->tx_req > 3) { |
3378 |
s->tx_req -= 4;
|
3379 |
if (s->codec && s->codec->cts) {
|
3380 |
s->codec->out.fifo[s->codec->out.len ++] = |
3381 |
(value >> 24) & 0xff; |
3382 |
s->codec->out.fifo[s->codec->out.len ++] = |
3383 |
(value >> 16) & 0xff; |
3384 |
s->codec->out.fifo[s->codec->out.len ++] = |
3385 |
(value >> 8) & 0xff; |
3386 |
s->codec->out.fifo[s->codec->out.len ++] = |
3387 |
(value >> 0) & 0xff; |
3388 |
} |
3389 |
if (s->tx_req < 4) |
3390 |
omap_mcbsp_tx_done(s); |
3391 |
} else
|
3392 |
printf("%s: Tx FIFO overrun\n", __FUNCTION__);
|
3393 |
return;
|
3394 |
} |
3395 |
|
3396 |
omap_badwidth_write16(opaque, addr, value); |
3397 |
} |
3398 |
|
3399 |
static void omap_mcbsp_write(void *opaque, hwaddr addr, |
3400 |
uint64_t value, unsigned size)
|
3401 |
{ |
3402 |
switch (size) {
|
3403 |
case 2: return omap_mcbsp_writeh(opaque, addr, value); |
3404 |
case 4: return omap_mcbsp_writew(opaque, addr, value); |
3405 |
default: return omap_badwidth_write16(opaque, addr, value); |
3406 |
} |
3407 |
} |
3408 |
|
3409 |
static const MemoryRegionOps omap_mcbsp_ops = { |
3410 |
.read = omap_mcbsp_read, |
3411 |
.write = omap_mcbsp_write, |
3412 |
.endianness = DEVICE_NATIVE_ENDIAN, |
3413 |
}; |
3414 |
|
3415 |
static void omap_mcbsp_reset(struct omap_mcbsp_s *s) |
3416 |
{ |
3417 |
memset(&s->spcr, 0, sizeof(s->spcr)); |
3418 |
memset(&s->rcr, 0, sizeof(s->rcr)); |
3419 |
memset(&s->xcr, 0, sizeof(s->xcr)); |
3420 |
s->srgr[0] = 0x0001; |
3421 |
s->srgr[1] = 0x2000; |
3422 |
memset(&s->mcr, 0, sizeof(s->mcr)); |
3423 |
memset(&s->pcr, 0, sizeof(s->pcr)); |
3424 |
memset(&s->rcer, 0, sizeof(s->rcer)); |
3425 |
memset(&s->xcer, 0, sizeof(s->xcer)); |
3426 |
s->tx_req = 0;
|
3427 |
s->rx_req = 0;
|
3428 |
s->tx_rate = 0;
|
3429 |
s->rx_rate = 0;
|
3430 |
qemu_del_timer(s->source_timer); |
3431 |
qemu_del_timer(s->sink_timer); |
3432 |
} |
3433 |
|
3434 |
static struct omap_mcbsp_s *omap_mcbsp_init(MemoryRegion *system_memory, |
3435 |
hwaddr base, |
3436 |
qemu_irq txirq, qemu_irq rxirq, |
3437 |
qemu_irq *dma, omap_clk clk) |
3438 |
{ |
3439 |
struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) |
3440 |
g_malloc0(sizeof(struct omap_mcbsp_s)); |
3441 |
|
3442 |
s->txirq = txirq; |
3443 |
s->rxirq = rxirq; |
3444 |
s->txdrq = dma[0];
|
3445 |
s->rxdrq = dma[1];
|
3446 |
s->sink_timer = qemu_new_timer_ns(vm_clock, omap_mcbsp_sink_tick, s); |
3447 |
s->source_timer = qemu_new_timer_ns(vm_clock, omap_mcbsp_source_tick, s); |
3448 |
omap_mcbsp_reset(s); |
3449 |
|
3450 |
memory_region_init_io(&s->iomem, &omap_mcbsp_ops, s, "omap-mcbsp", 0x800); |
3451 |
memory_region_add_subregion(system_memory, base, &s->iomem); |
3452 |
|
3453 |
return s;
|
3454 |
} |
3455 |
|
3456 |
static void omap_mcbsp_i2s_swallow(void *opaque, int line, int level) |
3457 |
{ |
3458 |
struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; |
3459 |
|
3460 |
if (s->rx_rate) {
|
3461 |
s->rx_req = s->codec->in.len; |
3462 |
omap_mcbsp_rx_newdata(s); |
3463 |
} |
3464 |
} |
3465 |
|
3466 |
static void omap_mcbsp_i2s_start(void *opaque, int line, int level) |
3467 |
{ |
3468 |
struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; |
3469 |
|
3470 |
if (s->tx_rate) {
|
3471 |
s->tx_req = s->codec->out.size; |
3472 |
omap_mcbsp_tx_newdata(s); |
3473 |
} |
3474 |
} |
3475 |
|
3476 |
void omap_mcbsp_i2s_attach(struct omap_mcbsp_s *s, I2SCodec *slave) |
3477 |
{ |
3478 |
s->codec = slave; |
3479 |
slave->rx_swallow = qemu_allocate_irqs(omap_mcbsp_i2s_swallow, s, 1)[0]; |
3480 |
slave->tx_start = qemu_allocate_irqs(omap_mcbsp_i2s_start, s, 1)[0]; |
3481 |
} |
3482 |
|
3483 |
/* LED Pulse Generators */
|
3484 |
struct omap_lpg_s {
|
3485 |
MemoryRegion iomem; |
3486 |
QEMUTimer *tm; |
3487 |
|
3488 |
uint8_t control; |
3489 |
uint8_t power; |
3490 |
int64_t on; |
3491 |
int64_t period; |
3492 |
int clk;
|
3493 |
int cycle;
|
3494 |
}; |
3495 |
|
3496 |
static void omap_lpg_tick(void *opaque) |
3497 |
{ |
3498 |
struct omap_lpg_s *s = opaque;
|
3499 |
|
3500 |
if (s->cycle)
|
3501 |
qemu_mod_timer(s->tm, qemu_get_clock_ms(vm_clock) + s->period - s->on); |
3502 |
else
|
3503 |
qemu_mod_timer(s->tm, qemu_get_clock_ms(vm_clock) + s->on); |
3504 |
|
3505 |
s->cycle = !s->cycle; |
3506 |
printf("%s: LED is %s\n", __FUNCTION__, s->cycle ? "on" : "off"); |
3507 |
} |
3508 |
|
3509 |
static void omap_lpg_update(struct omap_lpg_s *s) |
3510 |
{ |
3511 |
int64_t on, period = 1, ticks = 1000; |
3512 |
static const int per[8] = { 1, 2, 4, 8, 12, 16, 20, 24 }; |
3513 |
|
3514 |
if (~s->control & (1 << 6)) /* LPGRES */ |
3515 |
on = 0;
|
3516 |
else if (s->control & (1 << 7)) /* PERM_ON */ |
3517 |
on = period; |
3518 |
else {
|
3519 |
period = muldiv64(ticks, per[s->control & 7], /* PERCTRL */ |
3520 |
256 / 32); |
3521 |
on = (s->clk && s->power) ? muldiv64(ticks, |
3522 |
per[(s->control >> 3) & 7], 256) : 0; /* ONCTRL */ |
3523 |
} |
3524 |
|
3525 |
qemu_del_timer(s->tm); |
3526 |
if (on == period && s->on < s->period)
|
3527 |
printf("%s: LED is on\n", __FUNCTION__);
|
3528 |
else if (on == 0 && s->on) |
3529 |
printf("%s: LED is off\n", __FUNCTION__);
|
3530 |
else if (on && (on != s->on || period != s->period)) { |
3531 |
s->cycle = 0;
|
3532 |
s->on = on; |
3533 |
s->period = period; |
3534 |
omap_lpg_tick(s); |
3535 |
return;
|
3536 |
} |
3537 |
|
3538 |
s->on = on; |
3539 |
s->period = period; |
3540 |
} |
3541 |
|
3542 |
static void omap_lpg_reset(struct omap_lpg_s *s) |
3543 |
{ |
3544 |
s->control = 0x00;
|
3545 |
s->power = 0x00;
|
3546 |
s->clk = 1;
|
3547 |
omap_lpg_update(s); |
3548 |
} |
3549 |
|
3550 |
static uint64_t omap_lpg_read(void *opaque, hwaddr addr, |
3551 |
unsigned size)
|
3552 |
{ |
3553 |
struct omap_lpg_s *s = (struct omap_lpg_s *) opaque; |
3554 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
3555 |
|
3556 |
if (size != 1) { |
3557 |
return omap_badwidth_read8(opaque, addr);
|
3558 |
} |
3559 |
|
3560 |
switch (offset) {
|
3561 |
case 0x00: /* LCR */ |
3562 |
return s->control;
|
3563 |
|
3564 |
case 0x04: /* PMR */ |
3565 |
return s->power;
|
3566 |
} |
3567 |
|
3568 |
OMAP_BAD_REG(addr); |
3569 |
return 0; |
3570 |
} |
3571 |
|
3572 |
static void omap_lpg_write(void *opaque, hwaddr addr, |
3573 |
uint64_t value, unsigned size)
|
3574 |
{ |
3575 |
struct omap_lpg_s *s = (struct omap_lpg_s *) opaque; |
3576 |
int offset = addr & OMAP_MPUI_REG_MASK;
|
3577 |
|
3578 |
if (size != 1) { |
3579 |
return omap_badwidth_write8(opaque, addr, value);
|
3580 |
} |
3581 |
|
3582 |
switch (offset) {
|
3583 |
case 0x00: /* LCR */ |
3584 |
if (~value & (1 << 6)) /* LPGRES */ |
3585 |
omap_lpg_reset(s); |
3586 |
s->control = value & 0xff;
|
3587 |
omap_lpg_update(s); |
3588 |
return;
|
3589 |
|
3590 |
case 0x04: /* PMR */ |
3591 |
s->power = value & 0x01;
|
3592 |
omap_lpg_update(s); |
3593 |
return;
|
3594 |
|
3595 |
default:
|
3596 |
OMAP_BAD_REG(addr); |
3597 |
return;
|
3598 |
} |
3599 |
} |
3600 |
|
3601 |
static const MemoryRegionOps omap_lpg_ops = { |
3602 |
.read = omap_lpg_read, |
3603 |
.write = omap_lpg_write, |
3604 |
.endianness = DEVICE_NATIVE_ENDIAN, |
3605 |
}; |
3606 |
|
3607 |
static void omap_lpg_clk_update(void *opaque, int line, int on) |
3608 |
{ |
3609 |
struct omap_lpg_s *s = (struct omap_lpg_s *) opaque; |
3610 |
|
3611 |
s->clk = on; |
3612 |
omap_lpg_update(s); |
3613 |
} |
3614 |
|
3615 |
static struct omap_lpg_s *omap_lpg_init(MemoryRegion *system_memory, |
3616 |
hwaddr base, omap_clk clk) |
3617 |
{ |
3618 |
struct omap_lpg_s *s = (struct omap_lpg_s *) |
3619 |
g_malloc0(sizeof(struct omap_lpg_s)); |
3620 |
|
3621 |
s->tm = qemu_new_timer_ms(vm_clock, omap_lpg_tick, s); |
3622 |
|
3623 |
omap_lpg_reset(s); |
3624 |
|
3625 |
memory_region_init_io(&s->iomem, &omap_lpg_ops, s, "omap-lpg", 0x800); |
3626 |
memory_region_add_subregion(system_memory, base, &s->iomem); |
3627 |
|
3628 |
omap_clk_adduser(clk, qemu_allocate_irqs(omap_lpg_clk_update, s, 1)[0]); |
3629 |
|
3630 |
return s;
|
3631 |
} |
3632 |
|
3633 |
/* MPUI Peripheral Bridge configuration */
|
3634 |
static uint64_t omap_mpui_io_read(void *opaque, hwaddr addr, |
3635 |
unsigned size)
|
3636 |
{ |
3637 |
if (size != 2) { |
3638 |
return omap_badwidth_read16(opaque, addr);
|
3639 |
} |
3640 |
|
3641 |
if (addr == OMAP_MPUI_BASE) /* CMR */ |
3642 |
return 0xfe4d; |
3643 |
|
3644 |
OMAP_BAD_REG(addr); |
3645 |
return 0; |
3646 |
} |
3647 |
|
3648 |
static void omap_mpui_io_write(void *opaque, hwaddr addr, |
3649 |
uint64_t value, unsigned size)
|
3650 |
{ |
3651 |
/* FIXME: infinite loop */
|
3652 |
omap_badwidth_write16(opaque, addr, value); |
3653 |
} |
3654 |
|
3655 |
static const MemoryRegionOps omap_mpui_io_ops = { |
3656 |
.read = omap_mpui_io_read, |
3657 |
.write = omap_mpui_io_write, |
3658 |
.endianness = DEVICE_NATIVE_ENDIAN, |
3659 |
}; |
3660 |
|
3661 |
static void omap_setup_mpui_io(MemoryRegion *system_memory, |
3662 |
struct omap_mpu_state_s *mpu)
|
3663 |
{ |
3664 |
memory_region_init_io(&mpu->mpui_io_iomem, &omap_mpui_io_ops, mpu, |
3665 |
"omap-mpui-io", 0x7fff); |
3666 |
memory_region_add_subregion(system_memory, OMAP_MPUI_BASE, |
3667 |
&mpu->mpui_io_iomem); |
3668 |
} |
3669 |
|
3670 |
/* General chip reset */
|
3671 |
static void omap1_mpu_reset(void *opaque) |
3672 |
{ |
3673 |
struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque; |
3674 |
|
3675 |
omap_dma_reset(mpu->dma); |
3676 |
omap_mpu_timer_reset(mpu->timer[0]);
|
3677 |
omap_mpu_timer_reset(mpu->timer[1]);
|
3678 |
omap_mpu_timer_reset(mpu->timer[2]);
|
3679 |
omap_wd_timer_reset(mpu->wdt); |
3680 |
omap_os_timer_reset(mpu->os_timer); |
3681 |
omap_lcdc_reset(mpu->lcd); |
3682 |
omap_ulpd_pm_reset(mpu); |
3683 |
omap_pin_cfg_reset(mpu); |
3684 |
omap_mpui_reset(mpu); |
3685 |
omap_tipb_bridge_reset(mpu->private_tipb); |
3686 |
omap_tipb_bridge_reset(mpu->public_tipb); |
3687 |
omap_dpll_reset(mpu->dpll[0]);
|
3688 |
omap_dpll_reset(mpu->dpll[1]);
|
3689 |
omap_dpll_reset(mpu->dpll[2]);
|
3690 |
omap_uart_reset(mpu->uart[0]);
|
3691 |
omap_uart_reset(mpu->uart[1]);
|
3692 |
omap_uart_reset(mpu->uart[2]);
|
3693 |
omap_mmc_reset(mpu->mmc); |
3694 |
omap_mpuio_reset(mpu->mpuio); |
3695 |
omap_uwire_reset(mpu->microwire); |
3696 |
omap_pwl_reset(mpu->pwl); |
3697 |
omap_pwt_reset(mpu->pwt); |
3698 |
omap_rtc_reset(mpu->rtc); |
3699 |
omap_mcbsp_reset(mpu->mcbsp1); |
3700 |
omap_mcbsp_reset(mpu->mcbsp2); |
3701 |
omap_mcbsp_reset(mpu->mcbsp3); |
3702 |
omap_lpg_reset(mpu->led[0]);
|
3703 |
omap_lpg_reset(mpu->led[1]);
|
3704 |
omap_clkm_reset(mpu); |
3705 |
cpu_reset(CPU(mpu->cpu)); |
3706 |
} |
3707 |
|
3708 |
static const struct omap_map_s { |
3709 |
hwaddr phys_dsp; |
3710 |
hwaddr phys_mpu; |
3711 |
uint32_t size; |
3712 |
const char *name; |
3713 |
} omap15xx_dsp_mm[] = { |
3714 |
/* Strobe 0 */
|
3715 |
{ 0xe1010000, 0xfffb0000, 0x800, "UART1 BT" }, /* CS0 */ |
3716 |
{ 0xe1010800, 0xfffb0800, 0x800, "UART2 COM" }, /* CS1 */ |
3717 |
{ 0xe1011800, 0xfffb1800, 0x800, "McBSP1 audio" }, /* CS3 */ |
3718 |
{ 0xe1012000, 0xfffb2000, 0x800, "MCSI2 communication" }, /* CS4 */ |
3719 |
{ 0xe1012800, 0xfffb2800, 0x800, "MCSI1 BT u-Law" }, /* CS5 */ |
3720 |
{ 0xe1013000, 0xfffb3000, 0x800, "uWire" }, /* CS6 */ |
3721 |
{ 0xe1013800, 0xfffb3800, 0x800, "I^2C" }, /* CS7 */ |
3722 |
{ 0xe1014000, 0xfffb4000, 0x800, "USB W2FC" }, /* CS8 */ |
3723 |
{ 0xe1014800, 0xfffb4800, 0x800, "RTC" }, /* CS9 */ |
3724 |
{ 0xe1015000, 0xfffb5000, 0x800, "MPUIO" }, /* CS10 */ |
3725 |
{ 0xe1015800, 0xfffb5800, 0x800, "PWL" }, /* CS11 */ |
3726 |
{ 0xe1016000, 0xfffb6000, 0x800, "PWT" }, /* CS12 */ |
3727 |
{ 0xe1017000, 0xfffb7000, 0x800, "McBSP3" }, /* CS14 */ |
3728 |
{ 0xe1017800, 0xfffb7800, 0x800, "MMC" }, /* CS15 */ |
3729 |
{ 0xe1019000, 0xfffb9000, 0x800, "32-kHz timer" }, /* CS18 */ |
3730 |
{ 0xe1019800, 0xfffb9800, 0x800, "UART3" }, /* CS19 */ |
3731 |
{ 0xe101c800, 0xfffbc800, 0x800, "TIPB switches" }, /* CS25 */ |
3732 |
/* Strobe 1 */
|
3733 |
{ 0xe101e000, 0xfffce000, 0x800, "GPIOs" }, /* CS28 */ |
3734 |
|
3735 |
{ 0 }
|
3736 |
}; |
3737 |
|
3738 |
static void omap_setup_dsp_mapping(MemoryRegion *system_memory, |
3739 |
const struct omap_map_s *map) |
3740 |
{ |
3741 |
MemoryRegion *io; |
3742 |
|
3743 |
for (; map->phys_dsp; map ++) {
|
3744 |
io = g_new(MemoryRegion, 1);
|
3745 |
memory_region_init_alias(io, map->name, |
3746 |
system_memory, map->phys_mpu, map->size); |
3747 |
memory_region_add_subregion(system_memory, map->phys_dsp, io); |
3748 |
} |
3749 |
} |
3750 |
|
3751 |
void omap_mpu_wakeup(void *opaque, int irq, int req) |
3752 |
{ |
3753 |
struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque; |
3754 |
|
3755 |
if (mpu->cpu->env.halted) {
|
3756 |
cpu_interrupt(&mpu->cpu->env, CPU_INTERRUPT_EXITTB); |
3757 |
} |
3758 |
} |
3759 |
|
3760 |
static const struct dma_irq_map omap1_dma_irq_map[] = { |
3761 |
{ 0, OMAP_INT_DMA_CH0_6 },
|
3762 |
{ 0, OMAP_INT_DMA_CH1_7 },
|
3763 |
{ 0, OMAP_INT_DMA_CH2_8 },
|
3764 |
{ 0, OMAP_INT_DMA_CH3 },
|
3765 |
{ 0, OMAP_INT_DMA_CH4 },
|
3766 |
{ 0, OMAP_INT_DMA_CH5 },
|
3767 |
{ 1, OMAP_INT_1610_DMA_CH6 },
|
3768 |
{ 1, OMAP_INT_1610_DMA_CH7 },
|
3769 |
{ 1, OMAP_INT_1610_DMA_CH8 },
|
3770 |
{ 1, OMAP_INT_1610_DMA_CH9 },
|
3771 |
{ 1, OMAP_INT_1610_DMA_CH10 },
|
3772 |
{ 1, OMAP_INT_1610_DMA_CH11 },
|
3773 |
{ 1, OMAP_INT_1610_DMA_CH12 },
|
3774 |
{ 1, OMAP_INT_1610_DMA_CH13 },
|
3775 |
{ 1, OMAP_INT_1610_DMA_CH14 },
|
3776 |
{ 1, OMAP_INT_1610_DMA_CH15 }
|
3777 |
}; |
3778 |
|
3779 |
/* DMA ports for OMAP1 */
|
3780 |
static int omap_validate_emiff_addr(struct omap_mpu_state_s *s, |
3781 |
hwaddr addr) |
3782 |
{ |
3783 |
return range_covers_byte(OMAP_EMIFF_BASE, s->sdram_size, addr);
|
3784 |
} |
3785 |
|
3786 |
static int omap_validate_emifs_addr(struct omap_mpu_state_s *s, |
3787 |
hwaddr addr) |
3788 |
{ |
3789 |
return range_covers_byte(OMAP_EMIFS_BASE, OMAP_EMIFF_BASE - OMAP_EMIFS_BASE,
|
3790 |
addr); |
3791 |
} |
3792 |
|
3793 |
static int omap_validate_imif_addr(struct omap_mpu_state_s *s, |
3794 |
hwaddr addr) |
3795 |
{ |
3796 |
return range_covers_byte(OMAP_IMIF_BASE, s->sram_size, addr);
|
3797 |
} |
3798 |
|
3799 |
static int omap_validate_tipb_addr(struct omap_mpu_state_s *s, |
3800 |
hwaddr addr) |
3801 |
{ |
3802 |
return range_covers_byte(0xfffb0000, 0xffff0000 - 0xfffb0000, addr); |
3803 |
} |
3804 |
|
3805 |
static int omap_validate_local_addr(struct omap_mpu_state_s *s, |
3806 |
hwaddr addr) |
3807 |
{ |
3808 |
return range_covers_byte(OMAP_LOCALBUS_BASE, 0x1000000, addr); |
3809 |
} |
3810 |
|
3811 |
static int omap_validate_tipb_mpui_addr(struct omap_mpu_state_s *s, |
3812 |
hwaddr addr) |
3813 |
{ |
3814 |
return range_covers_byte(0xe1010000, 0xe1020004 - 0xe1010000, addr); |
3815 |
} |
3816 |
|
3817 |
struct omap_mpu_state_s *omap310_mpu_init(MemoryRegion *system_memory,
|
3818 |
unsigned long sdram_size, |
3819 |
const char *core) |
3820 |
{ |
3821 |
int i;
|
3822 |
struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) |
3823 |
g_malloc0(sizeof(struct omap_mpu_state_s)); |
3824 |
qemu_irq *cpu_irq; |
3825 |
qemu_irq dma_irqs[6];
|
3826 |
DriveInfo *dinfo; |
3827 |
SysBusDevice *busdev; |
3828 |
|
3829 |
if (!core)
|
3830 |
core = "ti925t";
|
3831 |
|
3832 |
/* Core */
|
3833 |
s->mpu_model = omap310; |
3834 |
s->cpu = cpu_arm_init(core); |
3835 |
if (s->cpu == NULL) { |
3836 |
fprintf(stderr, "Unable to find CPU definition\n");
|
3837 |
exit(1);
|
3838 |
} |
3839 |
s->sdram_size = sdram_size; |
3840 |
s->sram_size = OMAP15XX_SRAM_SIZE; |
3841 |
|
3842 |
s->wakeup = qemu_allocate_irqs(omap_mpu_wakeup, s, 1)[0]; |
3843 |
|
3844 |
/* Clocks */
|
3845 |
omap_clk_init(s); |
3846 |
|
3847 |
/* Memory-mapped stuff */
|
3848 |
memory_region_init_ram(&s->emiff_ram, "omap1.dram", s->sdram_size);
|
3849 |
vmstate_register_ram_global(&s->emiff_ram); |
3850 |
memory_region_add_subregion(system_memory, OMAP_EMIFF_BASE, &s->emiff_ram); |
3851 |
memory_region_init_ram(&s->imif_ram, "omap1.sram", s->sram_size);
|
3852 |
vmstate_register_ram_global(&s->imif_ram); |
3853 |
memory_region_add_subregion(system_memory, OMAP_IMIF_BASE, &s->imif_ram); |
3854 |
|
3855 |
omap_clkm_init(system_memory, 0xfffece00, 0xe1008000, s); |
3856 |
|
3857 |
cpu_irq = arm_pic_init_cpu(s->cpu); |
3858 |
s->ih[0] = qdev_create(NULL, "omap-intc"); |
3859 |
qdev_prop_set_uint32(s->ih[0], "size", 0x100); |
3860 |
qdev_prop_set_ptr(s->ih[0], "clk", omap_findclk(s, "arminth_ck")); |
3861 |
qdev_init_nofail(s->ih[0]);
|
3862 |
busdev = sysbus_from_qdev(s->ih[0]);
|
3863 |
sysbus_connect_irq(busdev, 0, cpu_irq[ARM_PIC_CPU_IRQ]);
|
3864 |
sysbus_connect_irq(busdev, 1, cpu_irq[ARM_PIC_CPU_FIQ]);
|
3865 |
sysbus_mmio_map(busdev, 0, 0xfffecb00); |
3866 |
s->ih[1] = qdev_create(NULL, "omap-intc"); |
3867 |
qdev_prop_set_uint32(s->ih[1], "size", 0x800); |
3868 |
qdev_prop_set_ptr(s->ih[1], "clk", omap_findclk(s, "arminth_ck")); |
3869 |
qdev_init_nofail(s->ih[1]);
|
3870 |
busdev = sysbus_from_qdev(s->ih[1]);
|
3871 |
sysbus_connect_irq(busdev, 0,
|
3872 |
qdev_get_gpio_in(s->ih[0], OMAP_INT_15XX_IH2_IRQ));
|
3873 |
/* The second interrupt controller's FIQ output is not wired up */
|
3874 |
sysbus_mmio_map(busdev, 0, 0xfffe0000); |
3875 |
|
3876 |
for (i = 0; i < 6; i++) { |
3877 |
dma_irqs[i] = qdev_get_gpio_in(s->ih[omap1_dma_irq_map[i].ih], |
3878 |
omap1_dma_irq_map[i].intr); |
3879 |
} |
3880 |
s->dma = omap_dma_init(0xfffed800, dma_irqs, system_memory,
|
3881 |
qdev_get_gpio_in(s->ih[0], OMAP_INT_DMA_LCD),
|
3882 |
s, omap_findclk(s, "dma_ck"), omap_dma_3_1);
|
3883 |
|
3884 |
s->port[emiff ].addr_valid = omap_validate_emiff_addr; |
3885 |
s->port[emifs ].addr_valid = omap_validate_emifs_addr; |
3886 |
s->port[imif ].addr_valid = omap_validate_imif_addr; |
3887 |
s->port[tipb ].addr_valid = omap_validate_tipb_addr; |
3888 |
s->port[local ].addr_valid = omap_validate_local_addr; |
3889 |
s->port[tipb_mpui].addr_valid = omap_validate_tipb_mpui_addr; |
3890 |
|
3891 |
/* Register SDRAM and SRAM DMA ports for fast transfers. */
|
3892 |
soc_dma_port_add_mem(s->dma, memory_region_get_ram_ptr(&s->emiff_ram), |
3893 |
OMAP_EMIFF_BASE, s->sdram_size); |
3894 |
soc_dma_port_add_mem(s->dma, memory_region_get_ram_ptr(&s->imif_ram), |
3895 |
OMAP_IMIF_BASE, s->sram_size); |
3896 |
|
3897 |
s->timer[0] = omap_mpu_timer_init(system_memory, 0xfffec500, |
3898 |
qdev_get_gpio_in(s->ih[0], OMAP_INT_TIMER1),
|
3899 |
omap_findclk(s, "mputim_ck"));
|
3900 |
s->timer[1] = omap_mpu_timer_init(system_memory, 0xfffec600, |
3901 |
qdev_get_gpio_in(s->ih[0], OMAP_INT_TIMER2),
|
3902 |
omap_findclk(s, "mputim_ck"));
|
3903 |
s->timer[2] = omap_mpu_timer_init(system_memory, 0xfffec700, |
3904 |
qdev_get_gpio_in(s->ih[0], OMAP_INT_TIMER3),
|
3905 |
omap_findclk(s, "mputim_ck"));
|
3906 |
|
3907 |
s->wdt = omap_wd_timer_init(system_memory, 0xfffec800,
|
3908 |
qdev_get_gpio_in(s->ih[0], OMAP_INT_WD_TIMER),
|
3909 |
omap_findclk(s, "armwdt_ck"));
|
3910 |
|
3911 |
s->os_timer = omap_os_timer_init(system_memory, 0xfffb9000,
|
3912 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_OS_TIMER),
|
3913 |
omap_findclk(s, "clk32-kHz"));
|
3914 |
|
3915 |
s->lcd = omap_lcdc_init(system_memory, 0xfffec000,
|
3916 |
qdev_get_gpio_in(s->ih[0], OMAP_INT_LCD_CTRL),
|
3917 |
omap_dma_get_lcdch(s->dma), |
3918 |
omap_findclk(s, "lcd_ck"));
|
3919 |
|
3920 |
omap_ulpd_pm_init(system_memory, 0xfffe0800, s);
|
3921 |
omap_pin_cfg_init(system_memory, 0xfffe1000, s);
|
3922 |
omap_id_init(system_memory, s); |
3923 |
|
3924 |
omap_mpui_init(system_memory, 0xfffec900, s);
|
3925 |
|
3926 |
s->private_tipb = omap_tipb_bridge_init(system_memory, 0xfffeca00,
|
3927 |
qdev_get_gpio_in(s->ih[0], OMAP_INT_BRIDGE_PRIV),
|
3928 |
omap_findclk(s, "tipb_ck"));
|
3929 |
s->public_tipb = omap_tipb_bridge_init(system_memory, 0xfffed300,
|
3930 |
qdev_get_gpio_in(s->ih[0], OMAP_INT_BRIDGE_PUB),
|
3931 |
omap_findclk(s, "tipb_ck"));
|
3932 |
|
3933 |
omap_tcmi_init(system_memory, 0xfffecc00, s);
|
3934 |
|
3935 |
s->uart[0] = omap_uart_init(0xfffb0000, |
3936 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_UART1),
|
3937 |
omap_findclk(s, "uart1_ck"),
|
3938 |
omap_findclk(s, "uart1_ck"),
|
3939 |
s->drq[OMAP_DMA_UART1_TX], s->drq[OMAP_DMA_UART1_RX], |
3940 |
"uart1",
|
3941 |
serial_hds[0]);
|
3942 |
s->uart[1] = omap_uart_init(0xfffb0800, |
3943 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_UART2),
|
3944 |
omap_findclk(s, "uart2_ck"),
|
3945 |
omap_findclk(s, "uart2_ck"),
|
3946 |
s->drq[OMAP_DMA_UART2_TX], s->drq[OMAP_DMA_UART2_RX], |
3947 |
"uart2",
|
3948 |
serial_hds[0] ? serial_hds[1] : NULL); |
3949 |
s->uart[2] = omap_uart_init(0xfffb9800, |
3950 |
qdev_get_gpio_in(s->ih[0], OMAP_INT_UART3),
|
3951 |
omap_findclk(s, "uart3_ck"),
|
3952 |
omap_findclk(s, "uart3_ck"),
|
3953 |
s->drq[OMAP_DMA_UART3_TX], s->drq[OMAP_DMA_UART3_RX], |
3954 |
"uart3",
|
3955 |
serial_hds[0] && serial_hds[1] ? serial_hds[2] : NULL); |
3956 |
|
3957 |
s->dpll[0] = omap_dpll_init(system_memory, 0xfffecf00, |
3958 |
omap_findclk(s, "dpll1"));
|
3959 |
s->dpll[1] = omap_dpll_init(system_memory, 0xfffed000, |
3960 |
omap_findclk(s, "dpll2"));
|
3961 |
s->dpll[2] = omap_dpll_init(system_memory, 0xfffed100, |
3962 |
omap_findclk(s, "dpll3"));
|
3963 |
|
3964 |
dinfo = drive_get(IF_SD, 0, 0); |
3965 |
if (!dinfo) {
|
3966 |
fprintf(stderr, "qemu: missing SecureDigital device\n");
|
3967 |
exit(1);
|
3968 |
} |
3969 |
s->mmc = omap_mmc_init(0xfffb7800, system_memory, dinfo->bdrv,
|
3970 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_OQN),
|
3971 |
&s->drq[OMAP_DMA_MMC_TX], |
3972 |
omap_findclk(s, "mmc_ck"));
|
3973 |
|
3974 |
s->mpuio = omap_mpuio_init(system_memory, 0xfffb5000,
|
3975 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_KEYBOARD),
|
3976 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_MPUIO),
|
3977 |
s->wakeup, omap_findclk(s, "clk32-kHz"));
|
3978 |
|
3979 |
s->gpio = qdev_create(NULL, "omap-gpio"); |
3980 |
qdev_prop_set_int32(s->gpio, "mpu_model", s->mpu_model);
|
3981 |
qdev_prop_set_ptr(s->gpio, "clk", omap_findclk(s, "arm_gpio_ck")); |
3982 |
qdev_init_nofail(s->gpio); |
3983 |
sysbus_connect_irq(sysbus_from_qdev(s->gpio), 0,
|
3984 |
qdev_get_gpio_in(s->ih[0], OMAP_INT_GPIO_BANK1));
|
3985 |
sysbus_mmio_map(sysbus_from_qdev(s->gpio), 0, 0xfffce000); |
3986 |
|
3987 |
s->microwire = omap_uwire_init(system_memory, 0xfffb3000,
|
3988 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_uWireTX),
|
3989 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_uWireRX),
|
3990 |
s->drq[OMAP_DMA_UWIRE_TX], omap_findclk(s, "mpuper_ck"));
|
3991 |
|
3992 |
s->pwl = omap_pwl_init(system_memory, 0xfffb5800,
|
3993 |
omap_findclk(s, "armxor_ck"));
|
3994 |
s->pwt = omap_pwt_init(system_memory, 0xfffb6000,
|
3995 |
omap_findclk(s, "armxor_ck"));
|
3996 |
|
3997 |
s->i2c[0] = qdev_create(NULL, "omap_i2c"); |
3998 |
qdev_prop_set_uint8(s->i2c[0], "revision", 0x11); |
3999 |
qdev_prop_set_ptr(s->i2c[0], "fclk", omap_findclk(s, "mpuper_ck")); |
4000 |
qdev_init_nofail(s->i2c[0]);
|
4001 |
busdev = sysbus_from_qdev(s->i2c[0]);
|
4002 |
sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(s->ih[1], OMAP_INT_I2C)); |
4003 |
sysbus_connect_irq(busdev, 1, s->drq[OMAP_DMA_I2C_TX]);
|
4004 |
sysbus_connect_irq(busdev, 2, s->drq[OMAP_DMA_I2C_RX]);
|
4005 |
sysbus_mmio_map(busdev, 0, 0xfffb3800); |
4006 |
|
4007 |
s->rtc = omap_rtc_init(system_memory, 0xfffb4800,
|
4008 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_RTC_TIMER),
|
4009 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_RTC_ALARM),
|
4010 |
omap_findclk(s, "clk32-kHz"));
|
4011 |
|
4012 |
s->mcbsp1 = omap_mcbsp_init(system_memory, 0xfffb1800,
|
4013 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_McBSP1TX),
|
4014 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_McBSP1RX),
|
4015 |
&s->drq[OMAP_DMA_MCBSP1_TX], omap_findclk(s, "dspxor_ck"));
|
4016 |
s->mcbsp2 = omap_mcbsp_init(system_memory, 0xfffb1000,
|
4017 |
qdev_get_gpio_in(s->ih[0],
|
4018 |
OMAP_INT_310_McBSP2_TX), |
4019 |
qdev_get_gpio_in(s->ih[0],
|
4020 |
OMAP_INT_310_McBSP2_RX), |
4021 |
&s->drq[OMAP_DMA_MCBSP2_TX], omap_findclk(s, "mpuper_ck"));
|
4022 |
s->mcbsp3 = omap_mcbsp_init(system_memory, 0xfffb7000,
|
4023 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_McBSP3TX),
|
4024 |
qdev_get_gpio_in(s->ih[1], OMAP_INT_McBSP3RX),
|
4025 |
&s->drq[OMAP_DMA_MCBSP3_TX], omap_findclk(s, "dspxor_ck"));
|
4026 |
|
4027 |
s->led[0] = omap_lpg_init(system_memory,
|
4028 |
0xfffbd000, omap_findclk(s, "clk32-kHz")); |
4029 |
s->led[1] = omap_lpg_init(system_memory,
|
4030 |
0xfffbd800, omap_findclk(s, "clk32-kHz")); |
4031 |
|
4032 |
/* Register mappings not currenlty implemented:
|
4033 |
* MCSI2 Comm fffb2000 - fffb27ff (not mapped on OMAP310)
|
4034 |
* MCSI1 Bluetooth fffb2800 - fffb2fff (not mapped on OMAP310)
|
4035 |
* USB W2FC fffb4000 - fffb47ff
|
4036 |
* Camera Interface fffb6800 - fffb6fff
|
4037 |
* USB Host fffba000 - fffba7ff
|
4038 |
* FAC fffba800 - fffbafff
|
4039 |
* HDQ/1-Wire fffbc000 - fffbc7ff
|
4040 |
* TIPB switches fffbc800 - fffbcfff
|
4041 |
* Mailbox fffcf000 - fffcf7ff
|
4042 |
* Local bus IF fffec100 - fffec1ff
|
4043 |
* Local bus MMU fffec200 - fffec2ff
|
4044 |
* DSP MMU fffed200 - fffed2ff
|
4045 |
*/
|
4046 |
|
4047 |
omap_setup_dsp_mapping(system_memory, omap15xx_dsp_mm); |
4048 |
omap_setup_mpui_io(system_memory, s); |
4049 |
|
4050 |
qemu_register_reset(omap1_mpu_reset, s); |
4051 |
|
4052 |
return s;
|
4053 |
} |