root / hw / pxa2xx.c @ 44ae28f3
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/*
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* Intel XScale PXA255/270 processor support.
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*
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* Copyright (c) 2006 Openedhand Ltd.
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* Written by Andrzej Zaborowski <balrog@zabor.org>
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*
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* This code is licenced under the GPL.
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*/
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#include "sysbus.h" |
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#include "pxa.h" |
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#include "sysemu.h" |
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#include "pc.h" |
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#include "i2c.h" |
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#include "ssi.h" |
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#include "qemu-timer.h" |
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#include "qemu-char.h" |
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|
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static struct { |
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target_phys_addr_t io_base; |
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int irqn;
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} pxa255_serial[] = { |
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{ 0x40100000, PXA2XX_PIC_FFUART },
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{ 0x40200000, PXA2XX_PIC_BTUART },
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{ 0x40700000, PXA2XX_PIC_STUART },
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{ 0x41600000, PXA25X_PIC_HWUART },
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{ 0, 0 } |
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}, pxa270_serial[] = { |
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{ 0x40100000, PXA2XX_PIC_FFUART },
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{ 0x40200000, PXA2XX_PIC_BTUART },
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{ 0x40700000, PXA2XX_PIC_STUART },
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{ 0, 0 } |
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}; |
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typedef struct PXASSPDef { |
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target_phys_addr_t io_base; |
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int irqn;
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} PXASSPDef; |
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#if 0
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static PXASSPDef pxa250_ssp[] = {
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{ 0x41000000, PXA2XX_PIC_SSP },
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{ 0, 0 }
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};
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#endif
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static PXASSPDef pxa255_ssp[] = {
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{ 0x41000000, PXA2XX_PIC_SSP },
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{ 0x41400000, PXA25X_PIC_NSSP },
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{ 0, 0 } |
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}; |
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|
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#if 0
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static PXASSPDef pxa26x_ssp[] = {
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{ 0x41000000, PXA2XX_PIC_SSP },
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{ 0x41400000, PXA25X_PIC_NSSP },
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{ 0x41500000, PXA26X_PIC_ASSP },
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{ 0, 0 }
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};
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#endif
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|
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static PXASSPDef pxa27x_ssp[] = {
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{ 0x41000000, PXA2XX_PIC_SSP },
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{ 0x41700000, PXA27X_PIC_SSP2 },
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{ 0x41900000, PXA2XX_PIC_SSP3 },
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{ 0, 0 } |
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}; |
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|
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#define PMCR 0x00 /* Power Manager Control register */ |
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#define PSSR 0x04 /* Power Manager Sleep Status register */ |
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#define PSPR 0x08 /* Power Manager Scratch-Pad register */ |
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#define PWER 0x0c /* Power Manager Wake-Up Enable register */ |
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#define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */ |
74 |
#define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */ |
75 |
#define PEDR 0x18 /* Power Manager Edge-Detect Status register */ |
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#define PCFR 0x1c /* Power Manager General Configuration register */ |
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#define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */ |
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#define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */ |
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#define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */ |
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#define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */ |
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#define RCSR 0x30 /* Reset Controller Status register */ |
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#define PSLR 0x34 /* Power Manager Sleep Configuration register */ |
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#define PTSR 0x38 /* Power Manager Standby Configuration register */ |
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#define PVCR 0x40 /* Power Manager Voltage Change Control register */ |
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#define PUCR 0x4c /* Power Manager USIM Card Control/Status register */ |
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#define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */ |
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#define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */ |
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#define PCMD0 0x80 /* Power Manager I2C Command register File 0 */ |
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#define PCMD31 0xfc /* Power Manager I2C Command register File 31 */ |
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|
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static uint32_t pxa2xx_pm_read(void *opaque, target_phys_addr_t addr) |
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{ |
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PXA2xxState *s = (PXA2xxState *) opaque; |
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|
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switch (addr) {
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case PMCR ... PCMD31:
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if (addr & 3) |
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goto fail;
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|
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return s->pm_regs[addr >> 2]; |
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default:
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fail:
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printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
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break;
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} |
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return 0; |
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} |
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|
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static void pxa2xx_pm_write(void *opaque, target_phys_addr_t addr, |
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uint32_t value) |
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{ |
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PXA2xxState *s = (PXA2xxState *) opaque; |
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switch (addr) {
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case PMCR:
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s->pm_regs[addr >> 2] &= 0x15 & ~(value & 0x2a); |
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s->pm_regs[addr >> 2] |= value & 0x15; |
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break;
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|
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case PSSR: /* Read-clean registers */ |
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case RCSR:
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case PKSR:
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s->pm_regs[addr >> 2] &= ~value;
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break;
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default: /* Read-write registers */ |
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if (addr >= PMCR && addr <= PCMD31 && !(addr & 3)) { |
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s->pm_regs[addr >> 2] = value;
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break;
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} |
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printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
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break;
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} |
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} |
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|
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static CPUReadMemoryFunc * const pxa2xx_pm_readfn[] = { |
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pxa2xx_pm_read, |
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pxa2xx_pm_read, |
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pxa2xx_pm_read, |
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}; |
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|
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static CPUWriteMemoryFunc * const pxa2xx_pm_writefn[] = { |
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pxa2xx_pm_write, |
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pxa2xx_pm_write, |
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pxa2xx_pm_write, |
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}; |
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|
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static void pxa2xx_pm_save(QEMUFile *f, void *opaque) |
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{ |
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PXA2xxState *s = (PXA2xxState *) opaque; |
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int i;
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for (i = 0; i < 0x40; i ++) |
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qemu_put_be32s(f, &s->pm_regs[i]); |
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} |
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static int pxa2xx_pm_load(QEMUFile *f, void *opaque, int version_id) |
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{ |
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PXA2xxState *s = (PXA2xxState *) opaque; |
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int i;
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for (i = 0; i < 0x40; i ++) |
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qemu_get_be32s(f, &s->pm_regs[i]); |
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return 0; |
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} |
168 |
|
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#define CCCR 0x00 /* Core Clock Configuration register */ |
170 |
#define CKEN 0x04 /* Clock Enable register */ |
171 |
#define OSCC 0x08 /* Oscillator Configuration register */ |
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#define CCSR 0x0c /* Core Clock Status register */ |
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|
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static uint32_t pxa2xx_cm_read(void *opaque, target_phys_addr_t addr) |
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{ |
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PXA2xxState *s = (PXA2xxState *) opaque; |
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switch (addr) {
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case CCCR:
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case CKEN:
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case OSCC:
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return s->cm_regs[addr >> 2]; |
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case CCSR:
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return s->cm_regs[CCCR >> 2] | (3 << 28); |
186 |
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default:
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printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
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break;
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} |
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return 0; |
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} |
193 |
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static void pxa2xx_cm_write(void *opaque, target_phys_addr_t addr, |
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uint32_t value) |
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{ |
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PXA2xxState *s = (PXA2xxState *) opaque; |
198 |
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switch (addr) {
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case CCCR:
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case CKEN:
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s->cm_regs[addr >> 2] = value;
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break;
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case OSCC:
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s->cm_regs[addr >> 2] &= ~0x6c; |
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s->cm_regs[addr >> 2] |= value & 0x6e; |
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if ((value >> 1) & 1) /* OON */ |
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s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */ |
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break;
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default:
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printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
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break;
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} |
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} |
217 |
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static CPUReadMemoryFunc * const pxa2xx_cm_readfn[] = { |
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pxa2xx_cm_read, |
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pxa2xx_cm_read, |
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pxa2xx_cm_read, |
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}; |
223 |
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static CPUWriteMemoryFunc * const pxa2xx_cm_writefn[] = { |
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pxa2xx_cm_write, |
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pxa2xx_cm_write, |
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pxa2xx_cm_write, |
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}; |
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static void pxa2xx_cm_save(QEMUFile *f, void *opaque) |
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{ |
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PXA2xxState *s = (PXA2xxState *) opaque; |
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int i;
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for (i = 0; i < 4; i ++) |
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qemu_put_be32s(f, &s->cm_regs[i]); |
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qemu_put_be32s(f, &s->clkcfg); |
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qemu_put_be32s(f, &s->pmnc); |
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} |
240 |
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static int pxa2xx_cm_load(QEMUFile *f, void *opaque, int version_id) |
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{ |
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PXA2xxState *s = (PXA2xxState *) opaque; |
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int i;
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for (i = 0; i < 4; i ++) |
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qemu_get_be32s(f, &s->cm_regs[i]); |
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qemu_get_be32s(f, &s->clkcfg); |
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qemu_get_be32s(f, &s->pmnc); |
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return 0; |
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} |
253 |
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static uint32_t pxa2xx_clkpwr_read(void *opaque, int op2, int reg, int crm) |
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{ |
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PXA2xxState *s = (PXA2xxState *) opaque; |
257 |
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switch (reg) {
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case 6: /* Clock Configuration register */ |
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return s->clkcfg;
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case 7: /* Power Mode register */ |
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return 0; |
264 |
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default:
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printf("%s: Bad register 0x%x\n", __FUNCTION__, reg);
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break;
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} |
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return 0; |
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} |
271 |
|
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static void pxa2xx_clkpwr_write(void *opaque, int op2, int reg, int crm, |
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uint32_t value) |
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{ |
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PXA2xxState *s = (PXA2xxState *) opaque; |
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static const char *pwrmode[8] = { |
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"Normal", "Idle", "Deep-idle", "Standby", |
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"Sleep", "reserved (!)", "reserved (!)", "Deep-sleep", |
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}; |
280 |
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switch (reg) {
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case 6: /* Clock Configuration register */ |
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s->clkcfg = value & 0xf;
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if (value & 2) |
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printf("%s: CPU frequency change attempt\n", __FUNCTION__);
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break;
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case 7: /* Power Mode register */ |
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if (value & 8) |
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printf("%s: CPU voltage change attempt\n", __FUNCTION__);
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switch (value & 7) { |
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case 0: |
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/* Do nothing */
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break;
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|
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case 1: |
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/* Idle */
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if (!(s->cm_regs[CCCR >> 2] & (1 << 31))) { /* CPDIS */ |
299 |
cpu_interrupt(s->env, CPU_INTERRUPT_HALT); |
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break;
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} |
302 |
/* Fall through. */
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|
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case 2: |
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/* Deep-Idle */
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cpu_interrupt(s->env, CPU_INTERRUPT_HALT); |
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s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */ |
308 |
goto message;
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|
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case 3: |
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s->env->uncached_cpsr = |
312 |
ARM_CPU_MODE_SVC | CPSR_A | CPSR_F | CPSR_I; |
313 |
s->env->cp15.c1_sys = 0;
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s->env->cp15.c1_coproc = 0;
|
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s->env->cp15.c2_base0 = 0;
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s->env->cp15.c3 = 0;
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s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */ |
318 |
s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */ |
319 |
|
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/*
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* The scratch-pad register is almost universally used
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* for storing the return address on suspend. For the
|
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* lack of a resuming bootloader, perform a jump
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* directly to that address.
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*/
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memset(s->env->regs, 0, 4 * 15); |
327 |
s->env->regs[15] = s->pm_regs[PSPR >> 2]; |
328 |
|
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#if 0
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buffer = 0xe59ff000; /* ldr pc, [pc, #0] */
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cpu_physical_memory_write(0, &buffer, 4);
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buffer = s->pm_regs[PSPR >> 2];
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cpu_physical_memory_write(8, &buffer, 4);
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#endif
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|
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/* Suspend */
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cpu_interrupt(cpu_single_env, CPU_INTERRUPT_HALT); |
338 |
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goto message;
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340 |
|
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default:
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342 |
message:
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343 |
printf("%s: machine entered %s mode\n", __FUNCTION__,
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pwrmode[value & 7]);
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} |
346 |
break;
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347 |
|
348 |
default:
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349 |
printf("%s: Bad register 0x%x\n", __FUNCTION__, reg);
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break;
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} |
352 |
} |
353 |
|
354 |
/* Performace Monitoring Registers */
|
355 |
#define CPPMNC 0 /* Performance Monitor Control register */ |
356 |
#define CPCCNT 1 /* Clock Counter register */ |
357 |
#define CPINTEN 4 /* Interrupt Enable register */ |
358 |
#define CPFLAG 5 /* Overflow Flag register */ |
359 |
#define CPEVTSEL 8 /* Event Selection register */ |
360 |
|
361 |
#define CPPMN0 0 /* Performance Count register 0 */ |
362 |
#define CPPMN1 1 /* Performance Count register 1 */ |
363 |
#define CPPMN2 2 /* Performance Count register 2 */ |
364 |
#define CPPMN3 3 /* Performance Count register 3 */ |
365 |
|
366 |
static uint32_t pxa2xx_perf_read(void *opaque, int op2, int reg, int crm) |
367 |
{ |
368 |
PXA2xxState *s = (PXA2xxState *) opaque; |
369 |
|
370 |
switch (reg) {
|
371 |
case CPPMNC:
|
372 |
return s->pmnc;
|
373 |
case CPCCNT:
|
374 |
if (s->pmnc & 1) |
375 |
return qemu_get_clock(vm_clock);
|
376 |
else
|
377 |
return 0; |
378 |
case CPINTEN:
|
379 |
case CPFLAG:
|
380 |
case CPEVTSEL:
|
381 |
return 0; |
382 |
|
383 |
default:
|
384 |
printf("%s: Bad register 0x%x\n", __FUNCTION__, reg);
|
385 |
break;
|
386 |
} |
387 |
return 0; |
388 |
} |
389 |
|
390 |
static void pxa2xx_perf_write(void *opaque, int op2, int reg, int crm, |
391 |
uint32_t value) |
392 |
{ |
393 |
PXA2xxState *s = (PXA2xxState *) opaque; |
394 |
|
395 |
switch (reg) {
|
396 |
case CPPMNC:
|
397 |
s->pmnc = value; |
398 |
break;
|
399 |
|
400 |
case CPCCNT:
|
401 |
case CPINTEN:
|
402 |
case CPFLAG:
|
403 |
case CPEVTSEL:
|
404 |
break;
|
405 |
|
406 |
default:
|
407 |
printf("%s: Bad register 0x%x\n", __FUNCTION__, reg);
|
408 |
break;
|
409 |
} |
410 |
} |
411 |
|
412 |
static uint32_t pxa2xx_cp14_read(void *opaque, int op2, int reg, int crm) |
413 |
{ |
414 |
switch (crm) {
|
415 |
case 0: |
416 |
return pxa2xx_clkpwr_read(opaque, op2, reg, crm);
|
417 |
case 1: |
418 |
return pxa2xx_perf_read(opaque, op2, reg, crm);
|
419 |
case 2: |
420 |
switch (reg) {
|
421 |
case CPPMN0:
|
422 |
case CPPMN1:
|
423 |
case CPPMN2:
|
424 |
case CPPMN3:
|
425 |
return 0; |
426 |
} |
427 |
/* Fall through */
|
428 |
default:
|
429 |
printf("%s: Bad register 0x%x\n", __FUNCTION__, reg);
|
430 |
break;
|
431 |
} |
432 |
return 0; |
433 |
} |
434 |
|
435 |
static void pxa2xx_cp14_write(void *opaque, int op2, int reg, int crm, |
436 |
uint32_t value) |
437 |
{ |
438 |
switch (crm) {
|
439 |
case 0: |
440 |
pxa2xx_clkpwr_write(opaque, op2, reg, crm, value); |
441 |
break;
|
442 |
case 1: |
443 |
pxa2xx_perf_write(opaque, op2, reg, crm, value); |
444 |
break;
|
445 |
case 2: |
446 |
switch (reg) {
|
447 |
case CPPMN0:
|
448 |
case CPPMN1:
|
449 |
case CPPMN2:
|
450 |
case CPPMN3:
|
451 |
return;
|
452 |
} |
453 |
/* Fall through */
|
454 |
default:
|
455 |
printf("%s: Bad register 0x%x\n", __FUNCTION__, reg);
|
456 |
break;
|
457 |
} |
458 |
} |
459 |
|
460 |
#define MDCNFG 0x00 /* SDRAM Configuration register */ |
461 |
#define MDREFR 0x04 /* SDRAM Refresh Control register */ |
462 |
#define MSC0 0x08 /* Static Memory Control register 0 */ |
463 |
#define MSC1 0x0c /* Static Memory Control register 1 */ |
464 |
#define MSC2 0x10 /* Static Memory Control register 2 */ |
465 |
#define MECR 0x14 /* Expansion Memory Bus Config register */ |
466 |
#define SXCNFG 0x1c /* Synchronous Static Memory Config register */ |
467 |
#define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */ |
468 |
#define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */ |
469 |
#define MCATT0 0x30 /* PC Card Attribute Socket 0 register */ |
470 |
#define MCATT1 0x34 /* PC Card Attribute Socket 1 register */ |
471 |
#define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */ |
472 |
#define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */ |
473 |
#define MDMRS 0x40 /* SDRAM Mode Register Set Config register */ |
474 |
#define BOOT_DEF 0x44 /* Boot-time Default Configuration register */ |
475 |
#define ARB_CNTL 0x48 /* Arbiter Control register */ |
476 |
#define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */ |
477 |
#define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */ |
478 |
#define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */ |
479 |
#define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */ |
480 |
#define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */ |
481 |
#define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */ |
482 |
#define SA1110 0x64 /* SA-1110 Memory Compatibility register */ |
483 |
|
484 |
static uint32_t pxa2xx_mm_read(void *opaque, target_phys_addr_t addr) |
485 |
{ |
486 |
PXA2xxState *s = (PXA2xxState *) opaque; |
487 |
|
488 |
switch (addr) {
|
489 |
case MDCNFG ... SA1110:
|
490 |
if ((addr & 3) == 0) |
491 |
return s->mm_regs[addr >> 2]; |
492 |
|
493 |
default:
|
494 |
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
495 |
break;
|
496 |
} |
497 |
return 0; |
498 |
} |
499 |
|
500 |
static void pxa2xx_mm_write(void *opaque, target_phys_addr_t addr, |
501 |
uint32_t value) |
502 |
{ |
503 |
PXA2xxState *s = (PXA2xxState *) opaque; |
504 |
|
505 |
switch (addr) {
|
506 |
case MDCNFG ... SA1110:
|
507 |
if ((addr & 3) == 0) { |
508 |
s->mm_regs[addr >> 2] = value;
|
509 |
break;
|
510 |
} |
511 |
|
512 |
default:
|
513 |
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
514 |
break;
|
515 |
} |
516 |
} |
517 |
|
518 |
static CPUReadMemoryFunc * const pxa2xx_mm_readfn[] = { |
519 |
pxa2xx_mm_read, |
520 |
pxa2xx_mm_read, |
521 |
pxa2xx_mm_read, |
522 |
}; |
523 |
|
524 |
static CPUWriteMemoryFunc * const pxa2xx_mm_writefn[] = { |
525 |
pxa2xx_mm_write, |
526 |
pxa2xx_mm_write, |
527 |
pxa2xx_mm_write, |
528 |
}; |
529 |
|
530 |
static void pxa2xx_mm_save(QEMUFile *f, void *opaque) |
531 |
{ |
532 |
PXA2xxState *s = (PXA2xxState *) opaque; |
533 |
int i;
|
534 |
|
535 |
for (i = 0; i < 0x1a; i ++) |
536 |
qemu_put_be32s(f, &s->mm_regs[i]); |
537 |
} |
538 |
|
539 |
static int pxa2xx_mm_load(QEMUFile *f, void *opaque, int version_id) |
540 |
{ |
541 |
PXA2xxState *s = (PXA2xxState *) opaque; |
542 |
int i;
|
543 |
|
544 |
for (i = 0; i < 0x1a; i ++) |
545 |
qemu_get_be32s(f, &s->mm_regs[i]); |
546 |
|
547 |
return 0; |
548 |
} |
549 |
|
550 |
/* Synchronous Serial Ports */
|
551 |
typedef struct { |
552 |
SysBusDevice busdev; |
553 |
qemu_irq irq; |
554 |
int enable;
|
555 |
SSIBus *bus; |
556 |
|
557 |
uint32_t sscr[2];
|
558 |
uint32_t sspsp; |
559 |
uint32_t ssto; |
560 |
uint32_t ssitr; |
561 |
uint32_t sssr; |
562 |
uint8_t sstsa; |
563 |
uint8_t ssrsa; |
564 |
uint8_t ssacd; |
565 |
|
566 |
uint32_t rx_fifo[16];
|
567 |
int rx_level;
|
568 |
int rx_start;
|
569 |
} PXA2xxSSPState; |
570 |
|
571 |
#define SSCR0 0x00 /* SSP Control register 0 */ |
572 |
#define SSCR1 0x04 /* SSP Control register 1 */ |
573 |
#define SSSR 0x08 /* SSP Status register */ |
574 |
#define SSITR 0x0c /* SSP Interrupt Test register */ |
575 |
#define SSDR 0x10 /* SSP Data register */ |
576 |
#define SSTO 0x28 /* SSP Time-Out register */ |
577 |
#define SSPSP 0x2c /* SSP Programmable Serial Protocol register */ |
578 |
#define SSTSA 0x30 /* SSP TX Time Slot Active register */ |
579 |
#define SSRSA 0x34 /* SSP RX Time Slot Active register */ |
580 |
#define SSTSS 0x38 /* SSP Time Slot Status register */ |
581 |
#define SSACD 0x3c /* SSP Audio Clock Divider register */ |
582 |
|
583 |
/* Bitfields for above registers */
|
584 |
#define SSCR0_SPI(x) (((x) & 0x30) == 0x00) |
585 |
#define SSCR0_SSP(x) (((x) & 0x30) == 0x10) |
586 |
#define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20) |
587 |
#define SSCR0_PSP(x) (((x) & 0x30) == 0x30) |
588 |
#define SSCR0_SSE (1 << 7) |
589 |
#define SSCR0_RIM (1 << 22) |
590 |
#define SSCR0_TIM (1 << 23) |
591 |
#define SSCR0_MOD (1 << 31) |
592 |
#define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1) |
593 |
#define SSCR1_RIE (1 << 0) |
594 |
#define SSCR1_TIE (1 << 1) |
595 |
#define SSCR1_LBM (1 << 2) |
596 |
#define SSCR1_MWDS (1 << 5) |
597 |
#define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1) |
598 |
#define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1) |
599 |
#define SSCR1_EFWR (1 << 14) |
600 |
#define SSCR1_PINTE (1 << 18) |
601 |
#define SSCR1_TINTE (1 << 19) |
602 |
#define SSCR1_RSRE (1 << 20) |
603 |
#define SSCR1_TSRE (1 << 21) |
604 |
#define SSCR1_EBCEI (1 << 29) |
605 |
#define SSITR_INT (7 << 5) |
606 |
#define SSSR_TNF (1 << 2) |
607 |
#define SSSR_RNE (1 << 3) |
608 |
#define SSSR_TFS (1 << 5) |
609 |
#define SSSR_RFS (1 << 6) |
610 |
#define SSSR_ROR (1 << 7) |
611 |
#define SSSR_PINT (1 << 18) |
612 |
#define SSSR_TINT (1 << 19) |
613 |
#define SSSR_EOC (1 << 20) |
614 |
#define SSSR_TUR (1 << 21) |
615 |
#define SSSR_BCE (1 << 23) |
616 |
#define SSSR_RW 0x00bc0080 |
617 |
|
618 |
static void pxa2xx_ssp_int_update(PXA2xxSSPState *s) |
619 |
{ |
620 |
int level = 0; |
621 |
|
622 |
level |= s->ssitr & SSITR_INT; |
623 |
level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI);
|
624 |
level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM);
|
625 |
level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT)); |
626 |
level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE);
|
627 |
level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE);
|
628 |
level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM);
|
629 |
level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE);
|
630 |
level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE);
|
631 |
qemu_set_irq(s->irq, !!level); |
632 |
} |
633 |
|
634 |
static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s) |
635 |
{ |
636 |
s->sssr &= ~(0xf << 12); /* Clear RFL */ |
637 |
s->sssr &= ~(0xf << 8); /* Clear TFL */ |
638 |
s->sssr &= ~SSSR_TNF; |
639 |
if (s->enable) {
|
640 |
s->sssr |= ((s->rx_level - 1) & 0xf) << 12; |
641 |
if (s->rx_level >= SSCR1_RFT(s->sscr[1])) |
642 |
s->sssr |= SSSR_RFS; |
643 |
else
|
644 |
s->sssr &= ~SSSR_RFS; |
645 |
if (0 <= SSCR1_TFT(s->sscr[1])) |
646 |
s->sssr |= SSSR_TFS; |
647 |
else
|
648 |
s->sssr &= ~SSSR_TFS; |
649 |
if (s->rx_level)
|
650 |
s->sssr |= SSSR_RNE; |
651 |
else
|
652 |
s->sssr &= ~SSSR_RNE; |
653 |
s->sssr |= SSSR_TNF; |
654 |
} |
655 |
|
656 |
pxa2xx_ssp_int_update(s); |
657 |
} |
658 |
|
659 |
static uint32_t pxa2xx_ssp_read(void *opaque, target_phys_addr_t addr) |
660 |
{ |
661 |
PXA2xxSSPState *s = (PXA2xxSSPState *) opaque; |
662 |
uint32_t retval; |
663 |
|
664 |
switch (addr) {
|
665 |
case SSCR0:
|
666 |
return s->sscr[0]; |
667 |
case SSCR1:
|
668 |
return s->sscr[1]; |
669 |
case SSPSP:
|
670 |
return s->sspsp;
|
671 |
case SSTO:
|
672 |
return s->ssto;
|
673 |
case SSITR:
|
674 |
return s->ssitr;
|
675 |
case SSSR:
|
676 |
return s->sssr | s->ssitr;
|
677 |
case SSDR:
|
678 |
if (!s->enable)
|
679 |
return 0xffffffff; |
680 |
if (s->rx_level < 1) { |
681 |
printf("%s: SSP Rx Underrun\n", __FUNCTION__);
|
682 |
return 0xffffffff; |
683 |
} |
684 |
s->rx_level --; |
685 |
retval = s->rx_fifo[s->rx_start ++]; |
686 |
s->rx_start &= 0xf;
|
687 |
pxa2xx_ssp_fifo_update(s); |
688 |
return retval;
|
689 |
case SSTSA:
|
690 |
return s->sstsa;
|
691 |
case SSRSA:
|
692 |
return s->ssrsa;
|
693 |
case SSTSS:
|
694 |
return 0; |
695 |
case SSACD:
|
696 |
return s->ssacd;
|
697 |
default:
|
698 |
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
699 |
break;
|
700 |
} |
701 |
return 0; |
702 |
} |
703 |
|
704 |
static void pxa2xx_ssp_write(void *opaque, target_phys_addr_t addr, |
705 |
uint32_t value) |
706 |
{ |
707 |
PXA2xxSSPState *s = (PXA2xxSSPState *) opaque; |
708 |
|
709 |
switch (addr) {
|
710 |
case SSCR0:
|
711 |
s->sscr[0] = value & 0xc7ffffff; |
712 |
s->enable = value & SSCR0_SSE; |
713 |
if (value & SSCR0_MOD)
|
714 |
printf("%s: Attempt to use network mode\n", __FUNCTION__);
|
715 |
if (s->enable && SSCR0_DSS(value) < 4) |
716 |
printf("%s: Wrong data size: %i bits\n", __FUNCTION__,
|
717 |
SSCR0_DSS(value)); |
718 |
if (!(value & SSCR0_SSE)) {
|
719 |
s->sssr = 0;
|
720 |
s->ssitr = 0;
|
721 |
s->rx_level = 0;
|
722 |
} |
723 |
pxa2xx_ssp_fifo_update(s); |
724 |
break;
|
725 |
|
726 |
case SSCR1:
|
727 |
s->sscr[1] = value;
|
728 |
if (value & (SSCR1_LBM | SSCR1_EFWR))
|
729 |
printf("%s: Attempt to use SSP test mode\n", __FUNCTION__);
|
730 |
pxa2xx_ssp_fifo_update(s); |
731 |
break;
|
732 |
|
733 |
case SSPSP:
|
734 |
s->sspsp = value; |
735 |
break;
|
736 |
|
737 |
case SSTO:
|
738 |
s->ssto = value; |
739 |
break;
|
740 |
|
741 |
case SSITR:
|
742 |
s->ssitr = value & SSITR_INT; |
743 |
pxa2xx_ssp_int_update(s); |
744 |
break;
|
745 |
|
746 |
case SSSR:
|
747 |
s->sssr &= ~(value & SSSR_RW); |
748 |
pxa2xx_ssp_int_update(s); |
749 |
break;
|
750 |
|
751 |
case SSDR:
|
752 |
if (SSCR0_UWIRE(s->sscr[0])) { |
753 |
if (s->sscr[1] & SSCR1_MWDS) |
754 |
value &= 0xffff;
|
755 |
else
|
756 |
value &= 0xff;
|
757 |
} else
|
758 |
/* Note how 32bits overflow does no harm here */
|
759 |
value &= (1 << SSCR0_DSS(s->sscr[0])) - 1; |
760 |
|
761 |
/* Data goes from here to the Tx FIFO and is shifted out from
|
762 |
* there directly to the slave, no need to buffer it.
|
763 |
*/
|
764 |
if (s->enable) {
|
765 |
uint32_t readval; |
766 |
readval = ssi_transfer(s->bus, value); |
767 |
if (s->rx_level < 0x10) { |
768 |
s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval;
|
769 |
} else {
|
770 |
s->sssr |= SSSR_ROR; |
771 |
} |
772 |
} |
773 |
pxa2xx_ssp_fifo_update(s); |
774 |
break;
|
775 |
|
776 |
case SSTSA:
|
777 |
s->sstsa = value; |
778 |
break;
|
779 |
|
780 |
case SSRSA:
|
781 |
s->ssrsa = value; |
782 |
break;
|
783 |
|
784 |
case SSACD:
|
785 |
s->ssacd = value; |
786 |
break;
|
787 |
|
788 |
default:
|
789 |
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
790 |
break;
|
791 |
} |
792 |
} |
793 |
|
794 |
static CPUReadMemoryFunc * const pxa2xx_ssp_readfn[] = { |
795 |
pxa2xx_ssp_read, |
796 |
pxa2xx_ssp_read, |
797 |
pxa2xx_ssp_read, |
798 |
}; |
799 |
|
800 |
static CPUWriteMemoryFunc * const pxa2xx_ssp_writefn[] = { |
801 |
pxa2xx_ssp_write, |
802 |
pxa2xx_ssp_write, |
803 |
pxa2xx_ssp_write, |
804 |
}; |
805 |
|
806 |
static void pxa2xx_ssp_save(QEMUFile *f, void *opaque) |
807 |
{ |
808 |
PXA2xxSSPState *s = (PXA2xxSSPState *) opaque; |
809 |
int i;
|
810 |
|
811 |
qemu_put_be32(f, s->enable); |
812 |
|
813 |
qemu_put_be32s(f, &s->sscr[0]);
|
814 |
qemu_put_be32s(f, &s->sscr[1]);
|
815 |
qemu_put_be32s(f, &s->sspsp); |
816 |
qemu_put_be32s(f, &s->ssto); |
817 |
qemu_put_be32s(f, &s->ssitr); |
818 |
qemu_put_be32s(f, &s->sssr); |
819 |
qemu_put_8s(f, &s->sstsa); |
820 |
qemu_put_8s(f, &s->ssrsa); |
821 |
qemu_put_8s(f, &s->ssacd); |
822 |
|
823 |
qemu_put_byte(f, s->rx_level); |
824 |
for (i = 0; i < s->rx_level; i ++) |
825 |
qemu_put_byte(f, s->rx_fifo[(s->rx_start + i) & 0xf]);
|
826 |
} |
827 |
|
828 |
static int pxa2xx_ssp_load(QEMUFile *f, void *opaque, int version_id) |
829 |
{ |
830 |
PXA2xxSSPState *s = (PXA2xxSSPState *) opaque; |
831 |
int i;
|
832 |
|
833 |
s->enable = qemu_get_be32(f); |
834 |
|
835 |
qemu_get_be32s(f, &s->sscr[0]);
|
836 |
qemu_get_be32s(f, &s->sscr[1]);
|
837 |
qemu_get_be32s(f, &s->sspsp); |
838 |
qemu_get_be32s(f, &s->ssto); |
839 |
qemu_get_be32s(f, &s->ssitr); |
840 |
qemu_get_be32s(f, &s->sssr); |
841 |
qemu_get_8s(f, &s->sstsa); |
842 |
qemu_get_8s(f, &s->ssrsa); |
843 |
qemu_get_8s(f, &s->ssacd); |
844 |
|
845 |
s->rx_level = qemu_get_byte(f); |
846 |
s->rx_start = 0;
|
847 |
for (i = 0; i < s->rx_level; i ++) |
848 |
s->rx_fifo[i] = qemu_get_byte(f); |
849 |
|
850 |
return 0; |
851 |
} |
852 |
|
853 |
static int pxa2xx_ssp_init(SysBusDevice *dev) |
854 |
{ |
855 |
int iomemtype;
|
856 |
PXA2xxSSPState *s = FROM_SYSBUS(PXA2xxSSPState, dev); |
857 |
|
858 |
sysbus_init_irq(dev, &s->irq); |
859 |
|
860 |
iomemtype = cpu_register_io_memory(pxa2xx_ssp_readfn, |
861 |
pxa2xx_ssp_writefn, s); |
862 |
sysbus_init_mmio(dev, 0x1000, iomemtype);
|
863 |
register_savevm("pxa2xx_ssp", -1, 0, |
864 |
pxa2xx_ssp_save, pxa2xx_ssp_load, s); |
865 |
|
866 |
s->bus = ssi_create_bus(&dev->qdev, "ssi");
|
867 |
return 0; |
868 |
} |
869 |
|
870 |
/* Real-Time Clock */
|
871 |
#define RCNR 0x00 /* RTC Counter register */ |
872 |
#define RTAR 0x04 /* RTC Alarm register */ |
873 |
#define RTSR 0x08 /* RTC Status register */ |
874 |
#define RTTR 0x0c /* RTC Timer Trim register */ |
875 |
#define RDCR 0x10 /* RTC Day Counter register */ |
876 |
#define RYCR 0x14 /* RTC Year Counter register */ |
877 |
#define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */ |
878 |
#define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */ |
879 |
#define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */ |
880 |
#define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */ |
881 |
#define SWCR 0x28 /* RTC Stopwatch Counter register */ |
882 |
#define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */ |
883 |
#define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */ |
884 |
#define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */ |
885 |
#define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */ |
886 |
|
887 |
static inline void pxa2xx_rtc_int_update(PXA2xxState *s) |
888 |
{ |
889 |
qemu_set_irq(s->pic[PXA2XX_PIC_RTCALARM], !!(s->rtsr & 0x2553));
|
890 |
} |
891 |
|
892 |
static void pxa2xx_rtc_hzupdate(PXA2xxState *s) |
893 |
{ |
894 |
int64_t rt = qemu_get_clock(rt_clock); |
895 |
s->last_rcnr += ((rt - s->last_hz) << 15) /
|
896 |
(1000 * ((s->rttr & 0xffff) + 1)); |
897 |
s->last_rdcr += ((rt - s->last_hz) << 15) /
|
898 |
(1000 * ((s->rttr & 0xffff) + 1)); |
899 |
s->last_hz = rt; |
900 |
} |
901 |
|
902 |
static void pxa2xx_rtc_swupdate(PXA2xxState *s) |
903 |
{ |
904 |
int64_t rt = qemu_get_clock(rt_clock); |
905 |
if (s->rtsr & (1 << 12)) |
906 |
s->last_swcr += (rt - s->last_sw) / 10;
|
907 |
s->last_sw = rt; |
908 |
} |
909 |
|
910 |
static void pxa2xx_rtc_piupdate(PXA2xxState *s) |
911 |
{ |
912 |
int64_t rt = qemu_get_clock(rt_clock); |
913 |
if (s->rtsr & (1 << 15)) |
914 |
s->last_swcr += rt - s->last_pi; |
915 |
s->last_pi = rt; |
916 |
} |
917 |
|
918 |
static inline void pxa2xx_rtc_alarm_update(PXA2xxState *s, |
919 |
uint32_t rtsr) |
920 |
{ |
921 |
if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0))) |
922 |
qemu_mod_timer(s->rtc_hz, s->last_hz + |
923 |
(((s->rtar - s->last_rcnr) * 1000 *
|
924 |
((s->rttr & 0xffff) + 1)) >> 15)); |
925 |
else
|
926 |
qemu_del_timer(s->rtc_hz); |
927 |
|
928 |
if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4))) |
929 |
qemu_mod_timer(s->rtc_rdal1, s->last_hz + |
930 |
(((s->rdar1 - s->last_rdcr) * 1000 *
|
931 |
((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */ |
932 |
else
|
933 |
qemu_del_timer(s->rtc_rdal1); |
934 |
|
935 |
if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6))) |
936 |
qemu_mod_timer(s->rtc_rdal2, s->last_hz + |
937 |
(((s->rdar2 - s->last_rdcr) * 1000 *
|
938 |
((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */ |
939 |
else
|
940 |
qemu_del_timer(s->rtc_rdal2); |
941 |
|
942 |
if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8))) |
943 |
qemu_mod_timer(s->rtc_swal1, s->last_sw + |
944 |
(s->swar1 - s->last_swcr) * 10); /* TODO: fixup */ |
945 |
else
|
946 |
qemu_del_timer(s->rtc_swal1); |
947 |
|
948 |
if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10))) |
949 |
qemu_mod_timer(s->rtc_swal2, s->last_sw + |
950 |
(s->swar2 - s->last_swcr) * 10); /* TODO: fixup */ |
951 |
else
|
952 |
qemu_del_timer(s->rtc_swal2); |
953 |
|
954 |
if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13))) |
955 |
qemu_mod_timer(s->rtc_pi, s->last_pi + |
956 |
(s->piar & 0xffff) - s->last_rtcpicr);
|
957 |
else
|
958 |
qemu_del_timer(s->rtc_pi); |
959 |
} |
960 |
|
961 |
static inline void pxa2xx_rtc_hz_tick(void *opaque) |
962 |
{ |
963 |
PXA2xxState *s = (PXA2xxState *) opaque; |
964 |
s->rtsr |= (1 << 0); |
965 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
966 |
pxa2xx_rtc_int_update(s); |
967 |
} |
968 |
|
969 |
static inline void pxa2xx_rtc_rdal1_tick(void *opaque) |
970 |
{ |
971 |
PXA2xxState *s = (PXA2xxState *) opaque; |
972 |
s->rtsr |= (1 << 4); |
973 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
974 |
pxa2xx_rtc_int_update(s); |
975 |
} |
976 |
|
977 |
static inline void pxa2xx_rtc_rdal2_tick(void *opaque) |
978 |
{ |
979 |
PXA2xxState *s = (PXA2xxState *) opaque; |
980 |
s->rtsr |= (1 << 6); |
981 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
982 |
pxa2xx_rtc_int_update(s); |
983 |
} |
984 |
|
985 |
static inline void pxa2xx_rtc_swal1_tick(void *opaque) |
986 |
{ |
987 |
PXA2xxState *s = (PXA2xxState *) opaque; |
988 |
s->rtsr |= (1 << 8); |
989 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
990 |
pxa2xx_rtc_int_update(s); |
991 |
} |
992 |
|
993 |
static inline void pxa2xx_rtc_swal2_tick(void *opaque) |
994 |
{ |
995 |
PXA2xxState *s = (PXA2xxState *) opaque; |
996 |
s->rtsr |= (1 << 10); |
997 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
998 |
pxa2xx_rtc_int_update(s); |
999 |
} |
1000 |
|
1001 |
static inline void pxa2xx_rtc_pi_tick(void *opaque) |
1002 |
{ |
1003 |
PXA2xxState *s = (PXA2xxState *) opaque; |
1004 |
s->rtsr |= (1 << 13); |
1005 |
pxa2xx_rtc_piupdate(s); |
1006 |
s->last_rtcpicr = 0;
|
1007 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1008 |
pxa2xx_rtc_int_update(s); |
1009 |
} |
1010 |
|
1011 |
static uint32_t pxa2xx_rtc_read(void *opaque, target_phys_addr_t addr) |
1012 |
{ |
1013 |
PXA2xxState *s = (PXA2xxState *) opaque; |
1014 |
|
1015 |
switch (addr) {
|
1016 |
case RTTR:
|
1017 |
return s->rttr;
|
1018 |
case RTSR:
|
1019 |
return s->rtsr;
|
1020 |
case RTAR:
|
1021 |
return s->rtar;
|
1022 |
case RDAR1:
|
1023 |
return s->rdar1;
|
1024 |
case RDAR2:
|
1025 |
return s->rdar2;
|
1026 |
case RYAR1:
|
1027 |
return s->ryar1;
|
1028 |
case RYAR2:
|
1029 |
return s->ryar2;
|
1030 |
case SWAR1:
|
1031 |
return s->swar1;
|
1032 |
case SWAR2:
|
1033 |
return s->swar2;
|
1034 |
case PIAR:
|
1035 |
return s->piar;
|
1036 |
case RCNR:
|
1037 |
return s->last_rcnr + ((qemu_get_clock(rt_clock) - s->last_hz) << 15) / |
1038 |
(1000 * ((s->rttr & 0xffff) + 1)); |
1039 |
case RDCR:
|
1040 |
return s->last_rdcr + ((qemu_get_clock(rt_clock) - s->last_hz) << 15) / |
1041 |
(1000 * ((s->rttr & 0xffff) + 1)); |
1042 |
case RYCR:
|
1043 |
return s->last_rycr;
|
1044 |
case SWCR:
|
1045 |
if (s->rtsr & (1 << 12)) |
1046 |
return s->last_swcr + (qemu_get_clock(rt_clock) - s->last_sw) / 10; |
1047 |
else
|
1048 |
return s->last_swcr;
|
1049 |
default:
|
1050 |
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
1051 |
break;
|
1052 |
} |
1053 |
return 0; |
1054 |
} |
1055 |
|
1056 |
static void pxa2xx_rtc_write(void *opaque, target_phys_addr_t addr, |
1057 |
uint32_t value) |
1058 |
{ |
1059 |
PXA2xxState *s = (PXA2xxState *) opaque; |
1060 |
|
1061 |
switch (addr) {
|
1062 |
case RTTR:
|
1063 |
if (!(s->rttr & (1 << 31))) { |
1064 |
pxa2xx_rtc_hzupdate(s); |
1065 |
s->rttr = value; |
1066 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1067 |
} |
1068 |
break;
|
1069 |
|
1070 |
case RTSR:
|
1071 |
if ((s->rtsr ^ value) & (1 << 15)) |
1072 |
pxa2xx_rtc_piupdate(s); |
1073 |
|
1074 |
if ((s->rtsr ^ value) & (1 << 12)) |
1075 |
pxa2xx_rtc_swupdate(s); |
1076 |
|
1077 |
if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac)) |
1078 |
pxa2xx_rtc_alarm_update(s, value); |
1079 |
|
1080 |
s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac)); |
1081 |
pxa2xx_rtc_int_update(s); |
1082 |
break;
|
1083 |
|
1084 |
case RTAR:
|
1085 |
s->rtar = value; |
1086 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1087 |
break;
|
1088 |
|
1089 |
case RDAR1:
|
1090 |
s->rdar1 = value; |
1091 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1092 |
break;
|
1093 |
|
1094 |
case RDAR2:
|
1095 |
s->rdar2 = value; |
1096 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1097 |
break;
|
1098 |
|
1099 |
case RYAR1:
|
1100 |
s->ryar1 = value; |
1101 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1102 |
break;
|
1103 |
|
1104 |
case RYAR2:
|
1105 |
s->ryar2 = value; |
1106 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1107 |
break;
|
1108 |
|
1109 |
case SWAR1:
|
1110 |
pxa2xx_rtc_swupdate(s); |
1111 |
s->swar1 = value; |
1112 |
s->last_swcr = 0;
|
1113 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1114 |
break;
|
1115 |
|
1116 |
case SWAR2:
|
1117 |
s->swar2 = value; |
1118 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1119 |
break;
|
1120 |
|
1121 |
case PIAR:
|
1122 |
s->piar = value; |
1123 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1124 |
break;
|
1125 |
|
1126 |
case RCNR:
|
1127 |
pxa2xx_rtc_hzupdate(s); |
1128 |
s->last_rcnr = value; |
1129 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1130 |
break;
|
1131 |
|
1132 |
case RDCR:
|
1133 |
pxa2xx_rtc_hzupdate(s); |
1134 |
s->last_rdcr = value; |
1135 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1136 |
break;
|
1137 |
|
1138 |
case RYCR:
|
1139 |
s->last_rycr = value; |
1140 |
break;
|
1141 |
|
1142 |
case SWCR:
|
1143 |
pxa2xx_rtc_swupdate(s); |
1144 |
s->last_swcr = value; |
1145 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1146 |
break;
|
1147 |
|
1148 |
case RTCPICR:
|
1149 |
pxa2xx_rtc_piupdate(s); |
1150 |
s->last_rtcpicr = value & 0xffff;
|
1151 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1152 |
break;
|
1153 |
|
1154 |
default:
|
1155 |
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
1156 |
} |
1157 |
} |
1158 |
|
1159 |
static CPUReadMemoryFunc * const pxa2xx_rtc_readfn[] = { |
1160 |
pxa2xx_rtc_read, |
1161 |
pxa2xx_rtc_read, |
1162 |
pxa2xx_rtc_read, |
1163 |
}; |
1164 |
|
1165 |
static CPUWriteMemoryFunc * const pxa2xx_rtc_writefn[] = { |
1166 |
pxa2xx_rtc_write, |
1167 |
pxa2xx_rtc_write, |
1168 |
pxa2xx_rtc_write, |
1169 |
}; |
1170 |
|
1171 |
static void pxa2xx_rtc_init(PXA2xxState *s) |
1172 |
{ |
1173 |
struct tm tm;
|
1174 |
int wom;
|
1175 |
|
1176 |
s->rttr = 0x7fff;
|
1177 |
s->rtsr = 0;
|
1178 |
|
1179 |
qemu_get_timedate(&tm, 0);
|
1180 |
wom = ((tm.tm_mday - 1) / 7) + 1; |
1181 |
|
1182 |
s->last_rcnr = (uint32_t) mktimegm(&tm); |
1183 |
s->last_rdcr = (wom << 20) | ((tm.tm_wday + 1) << 17) | |
1184 |
(tm.tm_hour << 12) | (tm.tm_min << 6) | tm.tm_sec; |
1185 |
s->last_rycr = ((tm.tm_year + 1900) << 9) | |
1186 |
((tm.tm_mon + 1) << 5) | tm.tm_mday; |
1187 |
s->last_swcr = (tm.tm_hour << 19) |
|
1188 |
(tm.tm_min << 13) | (tm.tm_sec << 7); |
1189 |
s->last_rtcpicr = 0;
|
1190 |
s->last_hz = s->last_sw = s->last_pi = qemu_get_clock(rt_clock); |
1191 |
|
1192 |
s->rtc_hz = qemu_new_timer(rt_clock, pxa2xx_rtc_hz_tick, s); |
1193 |
s->rtc_rdal1 = qemu_new_timer(rt_clock, pxa2xx_rtc_rdal1_tick, s); |
1194 |
s->rtc_rdal2 = qemu_new_timer(rt_clock, pxa2xx_rtc_rdal2_tick, s); |
1195 |
s->rtc_swal1 = qemu_new_timer(rt_clock, pxa2xx_rtc_swal1_tick, s); |
1196 |
s->rtc_swal2 = qemu_new_timer(rt_clock, pxa2xx_rtc_swal2_tick, s); |
1197 |
s->rtc_pi = qemu_new_timer(rt_clock, pxa2xx_rtc_pi_tick, s); |
1198 |
} |
1199 |
|
1200 |
static void pxa2xx_rtc_save(QEMUFile *f, void *opaque) |
1201 |
{ |
1202 |
PXA2xxState *s = (PXA2xxState *) opaque; |
1203 |
|
1204 |
pxa2xx_rtc_hzupdate(s); |
1205 |
pxa2xx_rtc_piupdate(s); |
1206 |
pxa2xx_rtc_swupdate(s); |
1207 |
|
1208 |
qemu_put_be32s(f, &s->rttr); |
1209 |
qemu_put_be32s(f, &s->rtsr); |
1210 |
qemu_put_be32s(f, &s->rtar); |
1211 |
qemu_put_be32s(f, &s->rdar1); |
1212 |
qemu_put_be32s(f, &s->rdar2); |
1213 |
qemu_put_be32s(f, &s->ryar1); |
1214 |
qemu_put_be32s(f, &s->ryar2); |
1215 |
qemu_put_be32s(f, &s->swar1); |
1216 |
qemu_put_be32s(f, &s->swar2); |
1217 |
qemu_put_be32s(f, &s->piar); |
1218 |
qemu_put_be32s(f, &s->last_rcnr); |
1219 |
qemu_put_be32s(f, &s->last_rdcr); |
1220 |
qemu_put_be32s(f, &s->last_rycr); |
1221 |
qemu_put_be32s(f, &s->last_swcr); |
1222 |
qemu_put_be32s(f, &s->last_rtcpicr); |
1223 |
qemu_put_sbe64s(f, &s->last_hz); |
1224 |
qemu_put_sbe64s(f, &s->last_sw); |
1225 |
qemu_put_sbe64s(f, &s->last_pi); |
1226 |
} |
1227 |
|
1228 |
static int pxa2xx_rtc_load(QEMUFile *f, void *opaque, int version_id) |
1229 |
{ |
1230 |
PXA2xxState *s = (PXA2xxState *) opaque; |
1231 |
|
1232 |
qemu_get_be32s(f, &s->rttr); |
1233 |
qemu_get_be32s(f, &s->rtsr); |
1234 |
qemu_get_be32s(f, &s->rtar); |
1235 |
qemu_get_be32s(f, &s->rdar1); |
1236 |
qemu_get_be32s(f, &s->rdar2); |
1237 |
qemu_get_be32s(f, &s->ryar1); |
1238 |
qemu_get_be32s(f, &s->ryar2); |
1239 |
qemu_get_be32s(f, &s->swar1); |
1240 |
qemu_get_be32s(f, &s->swar2); |
1241 |
qemu_get_be32s(f, &s->piar); |
1242 |
qemu_get_be32s(f, &s->last_rcnr); |
1243 |
qemu_get_be32s(f, &s->last_rdcr); |
1244 |
qemu_get_be32s(f, &s->last_rycr); |
1245 |
qemu_get_be32s(f, &s->last_swcr); |
1246 |
qemu_get_be32s(f, &s->last_rtcpicr); |
1247 |
qemu_get_sbe64s(f, &s->last_hz); |
1248 |
qemu_get_sbe64s(f, &s->last_sw); |
1249 |
qemu_get_sbe64s(f, &s->last_pi); |
1250 |
|
1251 |
pxa2xx_rtc_alarm_update(s, s->rtsr); |
1252 |
|
1253 |
return 0; |
1254 |
} |
1255 |
|
1256 |
/* I2C Interface */
|
1257 |
typedef struct { |
1258 |
i2c_slave i2c; |
1259 |
PXA2xxI2CState *host; |
1260 |
} PXA2xxI2CSlaveState; |
1261 |
|
1262 |
struct PXA2xxI2CState {
|
1263 |
PXA2xxI2CSlaveState *slave; |
1264 |
i2c_bus *bus; |
1265 |
qemu_irq irq; |
1266 |
target_phys_addr_t offset; |
1267 |
|
1268 |
uint16_t control; |
1269 |
uint16_t status; |
1270 |
uint8_t ibmr; |
1271 |
uint8_t data; |
1272 |
}; |
1273 |
|
1274 |
#define IBMR 0x80 /* I2C Bus Monitor register */ |
1275 |
#define IDBR 0x88 /* I2C Data Buffer register */ |
1276 |
#define ICR 0x90 /* I2C Control register */ |
1277 |
#define ISR 0x98 /* I2C Status register */ |
1278 |
#define ISAR 0xa0 /* I2C Slave Address register */ |
1279 |
|
1280 |
static void pxa2xx_i2c_update(PXA2xxI2CState *s) |
1281 |
{ |
1282 |
uint16_t level = 0;
|
1283 |
level |= s->status & s->control & (1 << 10); /* BED */ |
1284 |
level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */ |
1285 |
level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */ |
1286 |
level |= s->status & (1 << 9); /* SAD */ |
1287 |
qemu_set_irq(s->irq, !!level); |
1288 |
} |
1289 |
|
1290 |
/* These are only stubs now. */
|
1291 |
static void pxa2xx_i2c_event(i2c_slave *i2c, enum i2c_event event) |
1292 |
{ |
1293 |
PXA2xxI2CSlaveState *slave = FROM_I2C_SLAVE(PXA2xxI2CSlaveState, i2c); |
1294 |
PXA2xxI2CState *s = slave->host; |
1295 |
|
1296 |
switch (event) {
|
1297 |
case I2C_START_SEND:
|
1298 |
s->status |= (1 << 9); /* set SAD */ |
1299 |
s->status &= ~(1 << 0); /* clear RWM */ |
1300 |
break;
|
1301 |
case I2C_START_RECV:
|
1302 |
s->status |= (1 << 9); /* set SAD */ |
1303 |
s->status |= 1 << 0; /* set RWM */ |
1304 |
break;
|
1305 |
case I2C_FINISH:
|
1306 |
s->status |= (1 << 4); /* set SSD */ |
1307 |
break;
|
1308 |
case I2C_NACK:
|
1309 |
s->status |= 1 << 1; /* set ACKNAK */ |
1310 |
break;
|
1311 |
} |
1312 |
pxa2xx_i2c_update(s); |
1313 |
} |
1314 |
|
1315 |
static int pxa2xx_i2c_rx(i2c_slave *i2c) |
1316 |
{ |
1317 |
PXA2xxI2CSlaveState *slave = FROM_I2C_SLAVE(PXA2xxI2CSlaveState, i2c); |
1318 |
PXA2xxI2CState *s = slave->host; |
1319 |
if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) |
1320 |
return 0; |
1321 |
|
1322 |
if (s->status & (1 << 0)) { /* RWM */ |
1323 |
s->status |= 1 << 6; /* set ITE */ |
1324 |
} |
1325 |
pxa2xx_i2c_update(s); |
1326 |
|
1327 |
return s->data;
|
1328 |
} |
1329 |
|
1330 |
static int pxa2xx_i2c_tx(i2c_slave *i2c, uint8_t data) |
1331 |
{ |
1332 |
PXA2xxI2CSlaveState *slave = FROM_I2C_SLAVE(PXA2xxI2CSlaveState, i2c); |
1333 |
PXA2xxI2CState *s = slave->host; |
1334 |
if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) |
1335 |
return 1; |
1336 |
|
1337 |
if (!(s->status & (1 << 0))) { /* RWM */ |
1338 |
s->status |= 1 << 7; /* set IRF */ |
1339 |
s->data = data; |
1340 |
} |
1341 |
pxa2xx_i2c_update(s); |
1342 |
|
1343 |
return 1; |
1344 |
} |
1345 |
|
1346 |
static uint32_t pxa2xx_i2c_read(void *opaque, target_phys_addr_t addr) |
1347 |
{ |
1348 |
PXA2xxI2CState *s = (PXA2xxI2CState *) opaque; |
1349 |
|
1350 |
addr -= s->offset; |
1351 |
switch (addr) {
|
1352 |
case ICR:
|
1353 |
return s->control;
|
1354 |
case ISR:
|
1355 |
return s->status | (i2c_bus_busy(s->bus) << 2); |
1356 |
case ISAR:
|
1357 |
return s->slave->i2c.address;
|
1358 |
case IDBR:
|
1359 |
return s->data;
|
1360 |
case IBMR:
|
1361 |
if (s->status & (1 << 2)) |
1362 |
s->ibmr ^= 3; /* Fake SCL and SDA pin changes */ |
1363 |
else
|
1364 |
s->ibmr = 0;
|
1365 |
return s->ibmr;
|
1366 |
default:
|
1367 |
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
1368 |
break;
|
1369 |
} |
1370 |
return 0; |
1371 |
} |
1372 |
|
1373 |
static void pxa2xx_i2c_write(void *opaque, target_phys_addr_t addr, |
1374 |
uint32_t value) |
1375 |
{ |
1376 |
PXA2xxI2CState *s = (PXA2xxI2CState *) opaque; |
1377 |
int ack;
|
1378 |
|
1379 |
addr -= s->offset; |
1380 |
switch (addr) {
|
1381 |
case ICR:
|
1382 |
s->control = value & 0xfff7;
|
1383 |
if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */ |
1384 |
/* TODO: slave mode */
|
1385 |
if (value & (1 << 0)) { /* START condition */ |
1386 |
if (s->data & 1) |
1387 |
s->status |= 1 << 0; /* set RWM */ |
1388 |
else
|
1389 |
s->status &= ~(1 << 0); /* clear RWM */ |
1390 |
ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1); |
1391 |
} else {
|
1392 |
if (s->status & (1 << 0)) { /* RWM */ |
1393 |
s->data = i2c_recv(s->bus); |
1394 |
if (value & (1 << 2)) /* ACKNAK */ |
1395 |
i2c_nack(s->bus); |
1396 |
ack = 1;
|
1397 |
} else
|
1398 |
ack = !i2c_send(s->bus, s->data); |
1399 |
} |
1400 |
|
1401 |
if (value & (1 << 1)) /* STOP condition */ |
1402 |
i2c_end_transfer(s->bus); |
1403 |
|
1404 |
if (ack) {
|
1405 |
if (value & (1 << 0)) /* START condition */ |
1406 |
s->status |= 1 << 6; /* set ITE */ |
1407 |
else
|
1408 |
if (s->status & (1 << 0)) /* RWM */ |
1409 |
s->status |= 1 << 7; /* set IRF */ |
1410 |
else
|
1411 |
s->status |= 1 << 6; /* set ITE */ |
1412 |
s->status &= ~(1 << 1); /* clear ACKNAK */ |
1413 |
} else {
|
1414 |
s->status |= 1 << 6; /* set ITE */ |
1415 |
s->status |= 1 << 10; /* set BED */ |
1416 |
s->status |= 1 << 1; /* set ACKNAK */ |
1417 |
} |
1418 |
} |
1419 |
if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */ |
1420 |
if (value & (1 << 4)) /* MA */ |
1421 |
i2c_end_transfer(s->bus); |
1422 |
pxa2xx_i2c_update(s); |
1423 |
break;
|
1424 |
|
1425 |
case ISR:
|
1426 |
s->status &= ~(value & 0x07f0);
|
1427 |
pxa2xx_i2c_update(s); |
1428 |
break;
|
1429 |
|
1430 |
case ISAR:
|
1431 |
i2c_set_slave_address(&s->slave->i2c, value & 0x7f);
|
1432 |
break;
|
1433 |
|
1434 |
case IDBR:
|
1435 |
s->data = value & 0xff;
|
1436 |
break;
|
1437 |
|
1438 |
default:
|
1439 |
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
1440 |
} |
1441 |
} |
1442 |
|
1443 |
static CPUReadMemoryFunc * const pxa2xx_i2c_readfn[] = { |
1444 |
pxa2xx_i2c_read, |
1445 |
pxa2xx_i2c_read, |
1446 |
pxa2xx_i2c_read, |
1447 |
}; |
1448 |
|
1449 |
static CPUWriteMemoryFunc * const pxa2xx_i2c_writefn[] = { |
1450 |
pxa2xx_i2c_write, |
1451 |
pxa2xx_i2c_write, |
1452 |
pxa2xx_i2c_write, |
1453 |
}; |
1454 |
|
1455 |
static const VMStateDescription vmstate_pxa2xx_i2c_slave = { |
1456 |
.name = "pxa2xx_i2c_slave",
|
1457 |
.version_id = 1,
|
1458 |
.minimum_version_id = 1,
|
1459 |
.minimum_version_id_old = 1,
|
1460 |
.fields = (VMStateField []) { |
1461 |
VMSTATE_I2C_SLAVE(i2c, PXA2xxI2CSlaveState), |
1462 |
VMSTATE_END_OF_LIST() |
1463 |
} |
1464 |
}; |
1465 |
|
1466 |
static const VMStateDescription vmstate_pxa2xx_i2c = { |
1467 |
.name = "pxa2xx_i2c",
|
1468 |
.version_id = 1,
|
1469 |
.minimum_version_id = 1,
|
1470 |
.minimum_version_id_old = 1,
|
1471 |
.fields = (VMStateField []) { |
1472 |
VMSTATE_UINT16(control, PXA2xxI2CState), |
1473 |
VMSTATE_UINT16(status, PXA2xxI2CState), |
1474 |
VMSTATE_UINT8(ibmr, PXA2xxI2CState), |
1475 |
VMSTATE_UINT8(data, PXA2xxI2CState), |
1476 |
VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState, |
1477 |
vmstate_pxa2xx_i2c, PXA2xxI2CSlaveState *), |
1478 |
VMSTATE_END_OF_LIST() |
1479 |
} |
1480 |
}; |
1481 |
|
1482 |
static int pxa2xx_i2c_slave_init(i2c_slave *i2c) |
1483 |
{ |
1484 |
/* Nothing to do. */
|
1485 |
return 0; |
1486 |
} |
1487 |
|
1488 |
static I2CSlaveInfo pxa2xx_i2c_slave_info = {
|
1489 |
.qdev.name = "pxa2xx-i2c-slave",
|
1490 |
.qdev.size = sizeof(PXA2xxI2CSlaveState),
|
1491 |
.init = pxa2xx_i2c_slave_init, |
1492 |
.event = pxa2xx_i2c_event, |
1493 |
.recv = pxa2xx_i2c_rx, |
1494 |
.send = pxa2xx_i2c_tx |
1495 |
}; |
1496 |
|
1497 |
PXA2xxI2CState *pxa2xx_i2c_init(target_phys_addr_t base, |
1498 |
qemu_irq irq, uint32_t region_size) |
1499 |
{ |
1500 |
int iomemtype;
|
1501 |
DeviceState *dev; |
1502 |
PXA2xxI2CState *s = qemu_mallocz(sizeof(PXA2xxI2CState));
|
1503 |
|
1504 |
/* FIXME: Should the slave device really be on a separate bus? */
|
1505 |
dev = i2c_create_slave(i2c_init_bus(NULL, "dummy"), "pxa2xx-i2c-slave", 0); |
1506 |
s->slave = FROM_I2C_SLAVE(PXA2xxI2CSlaveState, I2C_SLAVE_FROM_QDEV(dev)); |
1507 |
s->slave->host = s; |
1508 |
|
1509 |
s->irq = irq; |
1510 |
s->bus = i2c_init_bus(NULL, "i2c"); |
1511 |
s->offset = base - (base & (~region_size) & TARGET_PAGE_MASK); |
1512 |
|
1513 |
iomemtype = cpu_register_io_memory(pxa2xx_i2c_readfn, |
1514 |
pxa2xx_i2c_writefn, s); |
1515 |
cpu_register_physical_memory(base & ~region_size, |
1516 |
region_size + 1, iomemtype);
|
1517 |
|
1518 |
vmstate_register(base, &vmstate_pxa2xx_i2c, s); |
1519 |
|
1520 |
return s;
|
1521 |
} |
1522 |
|
1523 |
i2c_bus *pxa2xx_i2c_bus(PXA2xxI2CState *s) |
1524 |
{ |
1525 |
return s->bus;
|
1526 |
} |
1527 |
|
1528 |
/* PXA Inter-IC Sound Controller */
|
1529 |
static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s) |
1530 |
{ |
1531 |
i2s->rx_len = 0;
|
1532 |
i2s->tx_len = 0;
|
1533 |
i2s->fifo_len = 0;
|
1534 |
i2s->clk = 0x1a;
|
1535 |
i2s->control[0] = 0x00; |
1536 |
i2s->control[1] = 0x00; |
1537 |
i2s->status = 0x00;
|
1538 |
i2s->mask = 0x00;
|
1539 |
} |
1540 |
|
1541 |
#define SACR_TFTH(val) ((val >> 8) & 0xf) |
1542 |
#define SACR_RFTH(val) ((val >> 12) & 0xf) |
1543 |
#define SACR_DREC(val) (val & (1 << 3)) |
1544 |
#define SACR_DPRL(val) (val & (1 << 4)) |
1545 |
|
1546 |
static inline void pxa2xx_i2s_update(PXA2xxI2SState *i2s) |
1547 |
{ |
1548 |
int rfs, tfs;
|
1549 |
rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len &&
|
1550 |
!SACR_DREC(i2s->control[1]);
|
1551 |
tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) &&
|
1552 |
i2s->enable && !SACR_DPRL(i2s->control[1]);
|
1553 |
|
1554 |
pxa2xx_dma_request(i2s->dma, PXA2XX_RX_RQ_I2S, rfs); |
1555 |
pxa2xx_dma_request(i2s->dma, PXA2XX_TX_RQ_I2S, tfs); |
1556 |
|
1557 |
i2s->status &= 0xe0;
|
1558 |
if (i2s->fifo_len < 16 || !i2s->enable) |
1559 |
i2s->status |= 1 << 0; /* TNF */ |
1560 |
if (i2s->rx_len)
|
1561 |
i2s->status |= 1 << 1; /* RNE */ |
1562 |
if (i2s->enable)
|
1563 |
i2s->status |= 1 << 2; /* BSY */ |
1564 |
if (tfs)
|
1565 |
i2s->status |= 1 << 3; /* TFS */ |
1566 |
if (rfs)
|
1567 |
i2s->status |= 1 << 4; /* RFS */ |
1568 |
if (!(i2s->tx_len && i2s->enable))
|
1569 |
i2s->status |= i2s->fifo_len << 8; /* TFL */ |
1570 |
i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */ |
1571 |
|
1572 |
qemu_set_irq(i2s->irq, i2s->status & i2s->mask); |
1573 |
} |
1574 |
|
1575 |
#define SACR0 0x00 /* Serial Audio Global Control register */ |
1576 |
#define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */ |
1577 |
#define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */ |
1578 |
#define SAIMR 0x14 /* Serial Audio Interrupt Mask register */ |
1579 |
#define SAICR 0x18 /* Serial Audio Interrupt Clear register */ |
1580 |
#define SADIV 0x60 /* Serial Audio Clock Divider register */ |
1581 |
#define SADR 0x80 /* Serial Audio Data register */ |
1582 |
|
1583 |
static uint32_t pxa2xx_i2s_read(void *opaque, target_phys_addr_t addr) |
1584 |
{ |
1585 |
PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; |
1586 |
|
1587 |
switch (addr) {
|
1588 |
case SACR0:
|
1589 |
return s->control[0]; |
1590 |
case SACR1:
|
1591 |
return s->control[1]; |
1592 |
case SASR0:
|
1593 |
return s->status;
|
1594 |
case SAIMR:
|
1595 |
return s->mask;
|
1596 |
case SAICR:
|
1597 |
return 0; |
1598 |
case SADIV:
|
1599 |
return s->clk;
|
1600 |
case SADR:
|
1601 |
if (s->rx_len > 0) { |
1602 |
s->rx_len --; |
1603 |
pxa2xx_i2s_update(s); |
1604 |
return s->codec_in(s->opaque);
|
1605 |
} |
1606 |
return 0; |
1607 |
default:
|
1608 |
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
1609 |
break;
|
1610 |
} |
1611 |
return 0; |
1612 |
} |
1613 |
|
1614 |
static void pxa2xx_i2s_write(void *opaque, target_phys_addr_t addr, |
1615 |
uint32_t value) |
1616 |
{ |
1617 |
PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; |
1618 |
uint32_t *sample; |
1619 |
|
1620 |
switch (addr) {
|
1621 |
case SACR0:
|
1622 |
if (value & (1 << 3)) /* RST */ |
1623 |
pxa2xx_i2s_reset(s); |
1624 |
s->control[0] = value & 0xff3d; |
1625 |
if (!s->enable && (value & 1) && s->tx_len) { /* ENB */ |
1626 |
for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++) |
1627 |
s->codec_out(s->opaque, *sample); |
1628 |
s->status &= ~(1 << 7); /* I2SOFF */ |
1629 |
} |
1630 |
if (value & (1 << 4)) /* EFWR */ |
1631 |
printf("%s: Attempt to use special function\n", __FUNCTION__);
|
1632 |
s->enable = ((value ^ 4) & 5) == 5; /* ENB && !RST*/ |
1633 |
pxa2xx_i2s_update(s); |
1634 |
break;
|
1635 |
case SACR1:
|
1636 |
s->control[1] = value & 0x0039; |
1637 |
if (value & (1 << 5)) /* ENLBF */ |
1638 |
printf("%s: Attempt to use loopback function\n", __FUNCTION__);
|
1639 |
if (value & (1 << 4)) /* DPRL */ |
1640 |
s->fifo_len = 0;
|
1641 |
pxa2xx_i2s_update(s); |
1642 |
break;
|
1643 |
case SAIMR:
|
1644 |
s->mask = value & 0x0078;
|
1645 |
pxa2xx_i2s_update(s); |
1646 |
break;
|
1647 |
case SAICR:
|
1648 |
s->status &= ~(value & (3 << 5)); |
1649 |
pxa2xx_i2s_update(s); |
1650 |
break;
|
1651 |
case SADIV:
|
1652 |
s->clk = value & 0x007f;
|
1653 |
break;
|
1654 |
case SADR:
|
1655 |
if (s->tx_len && s->enable) {
|
1656 |
s->tx_len --; |
1657 |
pxa2xx_i2s_update(s); |
1658 |
s->codec_out(s->opaque, value); |
1659 |
} else if (s->fifo_len < 16) { |
1660 |
s->fifo[s->fifo_len ++] = value; |
1661 |
pxa2xx_i2s_update(s); |
1662 |
} |
1663 |
break;
|
1664 |
default:
|
1665 |
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
1666 |
} |
1667 |
} |
1668 |
|
1669 |
static CPUReadMemoryFunc * const pxa2xx_i2s_readfn[] = { |
1670 |
pxa2xx_i2s_read, |
1671 |
pxa2xx_i2s_read, |
1672 |
pxa2xx_i2s_read, |
1673 |
}; |
1674 |
|
1675 |
static CPUWriteMemoryFunc * const pxa2xx_i2s_writefn[] = { |
1676 |
pxa2xx_i2s_write, |
1677 |
pxa2xx_i2s_write, |
1678 |
pxa2xx_i2s_write, |
1679 |
}; |
1680 |
|
1681 |
static void pxa2xx_i2s_save(QEMUFile *f, void *opaque) |
1682 |
{ |
1683 |
PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; |
1684 |
|
1685 |
qemu_put_be32s(f, &s->control[0]);
|
1686 |
qemu_put_be32s(f, &s->control[1]);
|
1687 |
qemu_put_be32s(f, &s->status); |
1688 |
qemu_put_be32s(f, &s->mask); |
1689 |
qemu_put_be32s(f, &s->clk); |
1690 |
|
1691 |
qemu_put_be32(f, s->enable); |
1692 |
qemu_put_be32(f, s->rx_len); |
1693 |
qemu_put_be32(f, s->tx_len); |
1694 |
qemu_put_be32(f, s->fifo_len); |
1695 |
} |
1696 |
|
1697 |
static int pxa2xx_i2s_load(QEMUFile *f, void *opaque, int version_id) |
1698 |
{ |
1699 |
PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; |
1700 |
|
1701 |
qemu_get_be32s(f, &s->control[0]);
|
1702 |
qemu_get_be32s(f, &s->control[1]);
|
1703 |
qemu_get_be32s(f, &s->status); |
1704 |
qemu_get_be32s(f, &s->mask); |
1705 |
qemu_get_be32s(f, &s->clk); |
1706 |
|
1707 |
s->enable = qemu_get_be32(f); |
1708 |
s->rx_len = qemu_get_be32(f); |
1709 |
s->tx_len = qemu_get_be32(f); |
1710 |
s->fifo_len = qemu_get_be32(f); |
1711 |
|
1712 |
return 0; |
1713 |
} |
1714 |
|
1715 |
static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx) |
1716 |
{ |
1717 |
PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; |
1718 |
uint32_t *sample; |
1719 |
|
1720 |
/* Signal FIFO errors */
|
1721 |
if (s->enable && s->tx_len)
|
1722 |
s->status |= 1 << 5; /* TUR */ |
1723 |
if (s->enable && s->rx_len)
|
1724 |
s->status |= 1 << 6; /* ROR */ |
1725 |
|
1726 |
/* Should be tx - MIN(tx, s->fifo_len) but we don't really need to
|
1727 |
* handle the cases where it makes a difference. */
|
1728 |
s->tx_len = tx - s->fifo_len; |
1729 |
s->rx_len = rx; |
1730 |
/* Note that is s->codec_out wasn't set, we wouldn't get called. */
|
1731 |
if (s->enable)
|
1732 |
for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++)
|
1733 |
s->codec_out(s->opaque, *sample); |
1734 |
pxa2xx_i2s_update(s); |
1735 |
} |
1736 |
|
1737 |
static PXA2xxI2SState *pxa2xx_i2s_init(target_phys_addr_t base,
|
1738 |
qemu_irq irq, PXA2xxDMAState *dma) |
1739 |
{ |
1740 |
int iomemtype;
|
1741 |
PXA2xxI2SState *s = (PXA2xxI2SState *) |
1742 |
qemu_mallocz(sizeof(PXA2xxI2SState));
|
1743 |
|
1744 |
s->irq = irq; |
1745 |
s->dma = dma; |
1746 |
s->data_req = pxa2xx_i2s_data_req; |
1747 |
|
1748 |
pxa2xx_i2s_reset(s); |
1749 |
|
1750 |
iomemtype = cpu_register_io_memory(pxa2xx_i2s_readfn, |
1751 |
pxa2xx_i2s_writefn, s); |
1752 |
cpu_register_physical_memory(base, 0x100000, iomemtype);
|
1753 |
|
1754 |
register_savevm("pxa2xx_i2s", base, 0, |
1755 |
pxa2xx_i2s_save, pxa2xx_i2s_load, s); |
1756 |
|
1757 |
return s;
|
1758 |
} |
1759 |
|
1760 |
/* PXA Fast Infra-red Communications Port */
|
1761 |
struct PXA2xxFIrState {
|
1762 |
qemu_irq irq; |
1763 |
PXA2xxDMAState *dma; |
1764 |
int enable;
|
1765 |
CharDriverState *chr; |
1766 |
|
1767 |
uint8_t control[3];
|
1768 |
uint8_t status[2];
|
1769 |
|
1770 |
int rx_len;
|
1771 |
int rx_start;
|
1772 |
uint8_t rx_fifo[64];
|
1773 |
}; |
1774 |
|
1775 |
static void pxa2xx_fir_reset(PXA2xxFIrState *s) |
1776 |
{ |
1777 |
s->control[0] = 0x00; |
1778 |
s->control[1] = 0x00; |
1779 |
s->control[2] = 0x00; |
1780 |
s->status[0] = 0x00; |
1781 |
s->status[1] = 0x00; |
1782 |
s->enable = 0;
|
1783 |
} |
1784 |
|
1785 |
static inline void pxa2xx_fir_update(PXA2xxFIrState *s) |
1786 |
{ |
1787 |
static const int tresh[4] = { 8, 16, 32, 0 }; |
1788 |
int intr = 0; |
1789 |
if ((s->control[0] & (1 << 4)) && /* RXE */ |
1790 |
s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */ |
1791 |
s->status[0] |= 1 << 4; /* RFS */ |
1792 |
else
|
1793 |
s->status[0] &= ~(1 << 4); /* RFS */ |
1794 |
if (s->control[0] & (1 << 3)) /* TXE */ |
1795 |
s->status[0] |= 1 << 3; /* TFS */ |
1796 |
else
|
1797 |
s->status[0] &= ~(1 << 3); /* TFS */ |
1798 |
if (s->rx_len)
|
1799 |
s->status[1] |= 1 << 2; /* RNE */ |
1800 |
else
|
1801 |
s->status[1] &= ~(1 << 2); /* RNE */ |
1802 |
if (s->control[0] & (1 << 4)) /* RXE */ |
1803 |
s->status[1] |= 1 << 0; /* RSY */ |
1804 |
else
|
1805 |
s->status[1] &= ~(1 << 0); /* RSY */ |
1806 |
|
1807 |
intr |= (s->control[0] & (1 << 5)) && /* RIE */ |
1808 |
(s->status[0] & (1 << 4)); /* RFS */ |
1809 |
intr |= (s->control[0] & (1 << 6)) && /* TIE */ |
1810 |
(s->status[0] & (1 << 3)); /* TFS */ |
1811 |
intr |= (s->control[2] & (1 << 4)) && /* TRAIL */ |
1812 |
(s->status[0] & (1 << 6)); /* EOC */ |
1813 |
intr |= (s->control[0] & (1 << 2)) && /* TUS */ |
1814 |
(s->status[0] & (1 << 1)); /* TUR */ |
1815 |
intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */ |
1816 |
|
1817 |
pxa2xx_dma_request(s->dma, PXA2XX_RX_RQ_ICP, (s->status[0] >> 4) & 1); |
1818 |
pxa2xx_dma_request(s->dma, PXA2XX_TX_RQ_ICP, (s->status[0] >> 3) & 1); |
1819 |
|
1820 |
qemu_set_irq(s->irq, intr && s->enable); |
1821 |
} |
1822 |
|
1823 |
#define ICCR0 0x00 /* FICP Control register 0 */ |
1824 |
#define ICCR1 0x04 /* FICP Control register 1 */ |
1825 |
#define ICCR2 0x08 /* FICP Control register 2 */ |
1826 |
#define ICDR 0x0c /* FICP Data register */ |
1827 |
#define ICSR0 0x14 /* FICP Status register 0 */ |
1828 |
#define ICSR1 0x18 /* FICP Status register 1 */ |
1829 |
#define ICFOR 0x1c /* FICP FIFO Occupancy Status register */ |
1830 |
|
1831 |
static uint32_t pxa2xx_fir_read(void *opaque, target_phys_addr_t addr) |
1832 |
{ |
1833 |
PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; |
1834 |
uint8_t ret; |
1835 |
|
1836 |
switch (addr) {
|
1837 |
case ICCR0:
|
1838 |
return s->control[0]; |
1839 |
case ICCR1:
|
1840 |
return s->control[1]; |
1841 |
case ICCR2:
|
1842 |
return s->control[2]; |
1843 |
case ICDR:
|
1844 |
s->status[0] &= ~0x01; |
1845 |
s->status[1] &= ~0x72; |
1846 |
if (s->rx_len) {
|
1847 |
s->rx_len --; |
1848 |
ret = s->rx_fifo[s->rx_start ++]; |
1849 |
s->rx_start &= 63;
|
1850 |
pxa2xx_fir_update(s); |
1851 |
return ret;
|
1852 |
} |
1853 |
printf("%s: Rx FIFO underrun.\n", __FUNCTION__);
|
1854 |
break;
|
1855 |
case ICSR0:
|
1856 |
return s->status[0]; |
1857 |
case ICSR1:
|
1858 |
return s->status[1] | (1 << 3); /* TNF */ |
1859 |
case ICFOR:
|
1860 |
return s->rx_len;
|
1861 |
default:
|
1862 |
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
1863 |
break;
|
1864 |
} |
1865 |
return 0; |
1866 |
} |
1867 |
|
1868 |
static void pxa2xx_fir_write(void *opaque, target_phys_addr_t addr, |
1869 |
uint32_t value) |
1870 |
{ |
1871 |
PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; |
1872 |
uint8_t ch; |
1873 |
|
1874 |
switch (addr) {
|
1875 |
case ICCR0:
|
1876 |
s->control[0] = value;
|
1877 |
if (!(value & (1 << 4))) /* RXE */ |
1878 |
s->rx_len = s->rx_start = 0;
|
1879 |
if (!(value & (1 << 3))) /* TXE */ |
1880 |
/* Nop */;
|
1881 |
s->enable = value & 1; /* ITR */ |
1882 |
if (!s->enable)
|
1883 |
s->status[0] = 0; |
1884 |
pxa2xx_fir_update(s); |
1885 |
break;
|
1886 |
case ICCR1:
|
1887 |
s->control[1] = value;
|
1888 |
break;
|
1889 |
case ICCR2:
|
1890 |
s->control[2] = value & 0x3f; |
1891 |
pxa2xx_fir_update(s); |
1892 |
break;
|
1893 |
case ICDR:
|
1894 |
if (s->control[2] & (1 << 2)) /* TXP */ |
1895 |
ch = value; |
1896 |
else
|
1897 |
ch = ~value; |
1898 |
if (s->chr && s->enable && (s->control[0] & (1 << 3))) /* TXE */ |
1899 |
qemu_chr_write(s->chr, &ch, 1);
|
1900 |
break;
|
1901 |
case ICSR0:
|
1902 |
s->status[0] &= ~(value & 0x66); |
1903 |
pxa2xx_fir_update(s); |
1904 |
break;
|
1905 |
case ICFOR:
|
1906 |
break;
|
1907 |
default:
|
1908 |
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); |
1909 |
} |
1910 |
} |
1911 |
|
1912 |
static CPUReadMemoryFunc * const pxa2xx_fir_readfn[] = { |
1913 |
pxa2xx_fir_read, |
1914 |
pxa2xx_fir_read, |
1915 |
pxa2xx_fir_read, |
1916 |
}; |
1917 |
|
1918 |
static CPUWriteMemoryFunc * const pxa2xx_fir_writefn[] = { |
1919 |
pxa2xx_fir_write, |
1920 |
pxa2xx_fir_write, |
1921 |
pxa2xx_fir_write, |
1922 |
}; |
1923 |
|
1924 |
static int pxa2xx_fir_is_empty(void *opaque) |
1925 |
{ |
1926 |
PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; |
1927 |
return (s->rx_len < 64); |
1928 |
} |
1929 |
|
1930 |
static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size) |
1931 |
{ |
1932 |
PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; |
1933 |
if (!(s->control[0] & (1 << 4))) /* RXE */ |
1934 |
return;
|
1935 |
|
1936 |
while (size --) {
|
1937 |
s->status[1] |= 1 << 4; /* EOF */ |
1938 |
if (s->rx_len >= 64) { |
1939 |
s->status[1] |= 1 << 6; /* ROR */ |
1940 |
break;
|
1941 |
} |
1942 |
|
1943 |
if (s->control[2] & (1 << 3)) /* RXP */ |
1944 |
s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++);
|
1945 |
else
|
1946 |
s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++);
|
1947 |
} |
1948 |
|
1949 |
pxa2xx_fir_update(s); |
1950 |
} |
1951 |
|
1952 |
static void pxa2xx_fir_event(void *opaque, int event) |
1953 |
{ |
1954 |
} |
1955 |
|
1956 |
static void pxa2xx_fir_save(QEMUFile *f, void *opaque) |
1957 |
{ |
1958 |
PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; |
1959 |
int i;
|
1960 |
|
1961 |
qemu_put_be32(f, s->enable); |
1962 |
|
1963 |
qemu_put_8s(f, &s->control[0]);
|
1964 |
qemu_put_8s(f, &s->control[1]);
|
1965 |
qemu_put_8s(f, &s->control[2]);
|
1966 |
qemu_put_8s(f, &s->status[0]);
|
1967 |
qemu_put_8s(f, &s->status[1]);
|
1968 |
|
1969 |
qemu_put_byte(f, s->rx_len); |
1970 |
for (i = 0; i < s->rx_len; i ++) |
1971 |
qemu_put_byte(f, s->rx_fifo[(s->rx_start + i) & 63]);
|
1972 |
} |
1973 |
|
1974 |
static int pxa2xx_fir_load(QEMUFile *f, void *opaque, int version_id) |
1975 |
{ |
1976 |
PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; |
1977 |
int i;
|
1978 |
|
1979 |
s->enable = qemu_get_be32(f); |
1980 |
|
1981 |
qemu_get_8s(f, &s->control[0]);
|
1982 |
qemu_get_8s(f, &s->control[1]);
|
1983 |
qemu_get_8s(f, &s->control[2]);
|
1984 |
qemu_get_8s(f, &s->status[0]);
|
1985 |
qemu_get_8s(f, &s->status[1]);
|
1986 |
|
1987 |
s->rx_len = qemu_get_byte(f); |
1988 |
s->rx_start = 0;
|
1989 |
for (i = 0; i < s->rx_len; i ++) |
1990 |
s->rx_fifo[i] = qemu_get_byte(f); |
1991 |
|
1992 |
return 0; |
1993 |
} |
1994 |
|
1995 |
static PXA2xxFIrState *pxa2xx_fir_init(target_phys_addr_t base,
|
1996 |
qemu_irq irq, PXA2xxDMAState *dma, |
1997 |
CharDriverState *chr) |
1998 |
{ |
1999 |
int iomemtype;
|
2000 |
PXA2xxFIrState *s = (PXA2xxFIrState *) |
2001 |
qemu_mallocz(sizeof(PXA2xxFIrState));
|
2002 |
|
2003 |
s->irq = irq; |
2004 |
s->dma = dma; |
2005 |
s->chr = chr; |
2006 |
|
2007 |
pxa2xx_fir_reset(s); |
2008 |
|
2009 |
iomemtype = cpu_register_io_memory(pxa2xx_fir_readfn, |
2010 |
pxa2xx_fir_writefn, s); |
2011 |
cpu_register_physical_memory(base, 0x1000, iomemtype);
|
2012 |
|
2013 |
if (chr)
|
2014 |
qemu_chr_add_handlers(chr, pxa2xx_fir_is_empty, |
2015 |
pxa2xx_fir_rx, pxa2xx_fir_event, s); |
2016 |
|
2017 |
register_savevm("pxa2xx_fir", 0, 0, pxa2xx_fir_save, pxa2xx_fir_load, s); |
2018 |
|
2019 |
return s;
|
2020 |
} |
2021 |
|
2022 |
static void pxa2xx_reset(void *opaque, int line, int level) |
2023 |
{ |
2024 |
PXA2xxState *s = (PXA2xxState *) opaque; |
2025 |
|
2026 |
if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */ |
2027 |
cpu_reset(s->env); |
2028 |
/* TODO: reset peripherals */
|
2029 |
} |
2030 |
} |
2031 |
|
2032 |
/* Initialise a PXA270 integrated chip (ARM based core). */
|
2033 |
PXA2xxState *pxa270_init(unsigned int sdram_size, const char *revision) |
2034 |
{ |
2035 |
PXA2xxState *s; |
2036 |
int iomemtype, i;
|
2037 |
DriveInfo *dinfo; |
2038 |
s = (PXA2xxState *) qemu_mallocz(sizeof(PXA2xxState));
|
2039 |
|
2040 |
if (revision && strncmp(revision, "pxa27", 5)) { |
2041 |
fprintf(stderr, "Machine requires a PXA27x processor.\n");
|
2042 |
exit(1);
|
2043 |
} |
2044 |
if (!revision)
|
2045 |
revision = "pxa270";
|
2046 |
|
2047 |
s->env = cpu_init(revision); |
2048 |
if (!s->env) {
|
2049 |
fprintf(stderr, "Unable to find CPU definition\n");
|
2050 |
exit(1);
|
2051 |
} |
2052 |
s->reset = qemu_allocate_irqs(pxa2xx_reset, s, 1)[0]; |
2053 |
|
2054 |
/* SDRAM & Internal Memory Storage */
|
2055 |
cpu_register_physical_memory(PXA2XX_SDRAM_BASE, |
2056 |
sdram_size, qemu_ram_alloc(sdram_size) | IO_MEM_RAM); |
2057 |
cpu_register_physical_memory(PXA2XX_INTERNAL_BASE, |
2058 |
0x40000, qemu_ram_alloc(0x40000) | IO_MEM_RAM); |
2059 |
|
2060 |
s->pic = pxa2xx_pic_init(0x40d00000, s->env);
|
2061 |
|
2062 |
s->dma = pxa27x_dma_init(0x40000000, s->pic[PXA2XX_PIC_DMA]);
|
2063 |
|
2064 |
pxa27x_timer_init(0x40a00000, &s->pic[PXA2XX_PIC_OST_0],
|
2065 |
s->pic[PXA27X_PIC_OST_4_11]); |
2066 |
|
2067 |
s->gpio = pxa2xx_gpio_init(0x40e00000, s->env, s->pic, 121); |
2068 |
|
2069 |
dinfo = drive_get(IF_SD, 0, 0); |
2070 |
if (!dinfo) {
|
2071 |
fprintf(stderr, "qemu: missing SecureDigital device\n");
|
2072 |
exit(1);
|
2073 |
} |
2074 |
s->mmc = pxa2xx_mmci_init(0x41100000, dinfo->bdrv,
|
2075 |
s->pic[PXA2XX_PIC_MMC], s->dma); |
2076 |
|
2077 |
for (i = 0; pxa270_serial[i].io_base; i ++) |
2078 |
if (serial_hds[i])
|
2079 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2080 |
serial_mm_init(pxa270_serial[i].io_base, 2,
|
2081 |
s->pic[pxa270_serial[i].irqn], 14857000/16, |
2082 |
serial_hds[i], 1, 1); |
2083 |
#else
|
2084 |
serial_mm_init(pxa270_serial[i].io_base, 2,
|
2085 |
s->pic[pxa270_serial[i].irqn], 14857000/16, |
2086 |
serial_hds[i], 1, 0); |
2087 |
#endif
|
2088 |
else
|
2089 |
break;
|
2090 |
if (serial_hds[i])
|
2091 |
s->fir = pxa2xx_fir_init(0x40800000, s->pic[PXA2XX_PIC_ICP],
|
2092 |
s->dma, serial_hds[i]); |
2093 |
|
2094 |
s->lcd = pxa2xx_lcdc_init(0x44000000, s->pic[PXA2XX_PIC_LCD]);
|
2095 |
|
2096 |
s->cm_base = 0x41300000;
|
2097 |
s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */ |
2098 |
s->clkcfg = 0x00000009; /* Turbo mode active */ |
2099 |
iomemtype = cpu_register_io_memory(pxa2xx_cm_readfn, |
2100 |
pxa2xx_cm_writefn, s); |
2101 |
cpu_register_physical_memory(s->cm_base, 0x1000, iomemtype);
|
2102 |
register_savevm("pxa2xx_cm", 0, 0, pxa2xx_cm_save, pxa2xx_cm_load, s); |
2103 |
|
2104 |
cpu_arm_set_cp_io(s->env, 14, pxa2xx_cp14_read, pxa2xx_cp14_write, s);
|
2105 |
|
2106 |
s->mm_base = 0x48000000;
|
2107 |
s->mm_regs[MDMRS >> 2] = 0x00020002; |
2108 |
s->mm_regs[MDREFR >> 2] = 0x03ca4000; |
2109 |
s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */ |
2110 |
iomemtype = cpu_register_io_memory(pxa2xx_mm_readfn, |
2111 |
pxa2xx_mm_writefn, s); |
2112 |
cpu_register_physical_memory(s->mm_base, 0x1000, iomemtype);
|
2113 |
register_savevm("pxa2xx_mm", 0, 0, pxa2xx_mm_save, pxa2xx_mm_load, s); |
2114 |
|
2115 |
s->pm_base = 0x40f00000;
|
2116 |
iomemtype = cpu_register_io_memory(pxa2xx_pm_readfn, |
2117 |
pxa2xx_pm_writefn, s); |
2118 |
cpu_register_physical_memory(s->pm_base, 0x100, iomemtype);
|
2119 |
register_savevm("pxa2xx_pm", 0, 0, pxa2xx_pm_save, pxa2xx_pm_load, s); |
2120 |
|
2121 |
for (i = 0; pxa27x_ssp[i].io_base; i ++); |
2122 |
s->ssp = (SSIBus **)qemu_mallocz(sizeof(SSIBus *) * i);
|
2123 |
for (i = 0; pxa27x_ssp[i].io_base; i ++) { |
2124 |
DeviceState *dev; |
2125 |
dev = sysbus_create_simple("pxa2xx-ssp", pxa27x_ssp[i].io_base,
|
2126 |
s->pic[pxa27x_ssp[i].irqn]); |
2127 |
s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
|
2128 |
} |
2129 |
|
2130 |
if (usb_enabled) {
|
2131 |
sysbus_create_simple("sysbus-ohci", 0x4c000000, |
2132 |
s->pic[PXA2XX_PIC_USBH1]); |
2133 |
} |
2134 |
|
2135 |
s->pcmcia[0] = pxa2xx_pcmcia_init(0x20000000); |
2136 |
s->pcmcia[1] = pxa2xx_pcmcia_init(0x30000000); |
2137 |
|
2138 |
s->rtc_base = 0x40900000;
|
2139 |
iomemtype = cpu_register_io_memory(pxa2xx_rtc_readfn, |
2140 |
pxa2xx_rtc_writefn, s); |
2141 |
cpu_register_physical_memory(s->rtc_base, 0x1000, iomemtype);
|
2142 |
pxa2xx_rtc_init(s); |
2143 |
register_savevm("pxa2xx_rtc", 0, 0, pxa2xx_rtc_save, pxa2xx_rtc_load, s); |
2144 |
|
2145 |
s->i2c[0] = pxa2xx_i2c_init(0x40301600, s->pic[PXA2XX_PIC_I2C], 0xffff); |
2146 |
s->i2c[1] = pxa2xx_i2c_init(0x40f00100, s->pic[PXA2XX_PIC_PWRI2C], 0xff); |
2147 |
|
2148 |
s->i2s = pxa2xx_i2s_init(0x40400000, s->pic[PXA2XX_PIC_I2S], s->dma);
|
2149 |
|
2150 |
s->kp = pxa27x_keypad_init(0x41500000, s->pic[PXA2XX_PIC_KEYPAD]);
|
2151 |
|
2152 |
/* GPIO1 resets the processor */
|
2153 |
/* The handler can be overridden by board-specific code */
|
2154 |
pxa2xx_gpio_out_set(s->gpio, 1, s->reset);
|
2155 |
return s;
|
2156 |
} |
2157 |
|
2158 |
/* Initialise a PXA255 integrated chip (ARM based core). */
|
2159 |
PXA2xxState *pxa255_init(unsigned int sdram_size) |
2160 |
{ |
2161 |
PXA2xxState *s; |
2162 |
int iomemtype, i;
|
2163 |
DriveInfo *dinfo; |
2164 |
|
2165 |
s = (PXA2xxState *) qemu_mallocz(sizeof(PXA2xxState));
|
2166 |
|
2167 |
s->env = cpu_init("pxa255");
|
2168 |
if (!s->env) {
|
2169 |
fprintf(stderr, "Unable to find CPU definition\n");
|
2170 |
exit(1);
|
2171 |
} |
2172 |
s->reset = qemu_allocate_irqs(pxa2xx_reset, s, 1)[0]; |
2173 |
|
2174 |
/* SDRAM & Internal Memory Storage */
|
2175 |
cpu_register_physical_memory(PXA2XX_SDRAM_BASE, sdram_size, |
2176 |
qemu_ram_alloc(sdram_size) | IO_MEM_RAM); |
2177 |
cpu_register_physical_memory(PXA2XX_INTERNAL_BASE, PXA2XX_INTERNAL_SIZE, |
2178 |
qemu_ram_alloc(PXA2XX_INTERNAL_SIZE) | IO_MEM_RAM); |
2179 |
|
2180 |
s->pic = pxa2xx_pic_init(0x40d00000, s->env);
|
2181 |
|
2182 |
s->dma = pxa255_dma_init(0x40000000, s->pic[PXA2XX_PIC_DMA]);
|
2183 |
|
2184 |
pxa25x_timer_init(0x40a00000, &s->pic[PXA2XX_PIC_OST_0]);
|
2185 |
|
2186 |
s->gpio = pxa2xx_gpio_init(0x40e00000, s->env, s->pic, 85); |
2187 |
|
2188 |
dinfo = drive_get(IF_SD, 0, 0); |
2189 |
if (!dinfo) {
|
2190 |
fprintf(stderr, "qemu: missing SecureDigital device\n");
|
2191 |
exit(1);
|
2192 |
} |
2193 |
s->mmc = pxa2xx_mmci_init(0x41100000, dinfo->bdrv,
|
2194 |
s->pic[PXA2XX_PIC_MMC], s->dma); |
2195 |
|
2196 |
for (i = 0; pxa255_serial[i].io_base; i ++) |
2197 |
if (serial_hds[i]) {
|
2198 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2199 |
serial_mm_init(pxa255_serial[i].io_base, 2,
|
2200 |
s->pic[pxa255_serial[i].irqn], 14745600/16, |
2201 |
serial_hds[i], 1, 1); |
2202 |
#else
|
2203 |
serial_mm_init(pxa255_serial[i].io_base, 2,
|
2204 |
s->pic[pxa255_serial[i].irqn], 14745600/16, |
2205 |
serial_hds[i], 1, 0); |
2206 |
#endif
|
2207 |
} else {
|
2208 |
break;
|
2209 |
} |
2210 |
if (serial_hds[i])
|
2211 |
s->fir = pxa2xx_fir_init(0x40800000, s->pic[PXA2XX_PIC_ICP],
|
2212 |
s->dma, serial_hds[i]); |
2213 |
|
2214 |
s->lcd = pxa2xx_lcdc_init(0x44000000, s->pic[PXA2XX_PIC_LCD]);
|
2215 |
|
2216 |
s->cm_base = 0x41300000;
|
2217 |
s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */ |
2218 |
s->clkcfg = 0x00000009; /* Turbo mode active */ |
2219 |
iomemtype = cpu_register_io_memory(pxa2xx_cm_readfn, |
2220 |
pxa2xx_cm_writefn, s); |
2221 |
cpu_register_physical_memory(s->cm_base, 0x1000, iomemtype);
|
2222 |
register_savevm("pxa2xx_cm", 0, 0, pxa2xx_cm_save, pxa2xx_cm_load, s); |
2223 |
|
2224 |
cpu_arm_set_cp_io(s->env, 14, pxa2xx_cp14_read, pxa2xx_cp14_write, s);
|
2225 |
|
2226 |
s->mm_base = 0x48000000;
|
2227 |
s->mm_regs[MDMRS >> 2] = 0x00020002; |
2228 |
s->mm_regs[MDREFR >> 2] = 0x03ca4000; |
2229 |
s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */ |
2230 |
iomemtype = cpu_register_io_memory(pxa2xx_mm_readfn, |
2231 |
pxa2xx_mm_writefn, s); |
2232 |
cpu_register_physical_memory(s->mm_base, 0x1000, iomemtype);
|
2233 |
register_savevm("pxa2xx_mm", 0, 0, pxa2xx_mm_save, pxa2xx_mm_load, s); |
2234 |
|
2235 |
s->pm_base = 0x40f00000;
|
2236 |
iomemtype = cpu_register_io_memory(pxa2xx_pm_readfn, |
2237 |
pxa2xx_pm_writefn, s); |
2238 |
cpu_register_physical_memory(s->pm_base, 0x100, iomemtype);
|
2239 |
register_savevm("pxa2xx_pm", 0, 0, pxa2xx_pm_save, pxa2xx_pm_load, s); |
2240 |
|
2241 |
for (i = 0; pxa255_ssp[i].io_base; i ++); |
2242 |
s->ssp = (SSIBus **)qemu_mallocz(sizeof(SSIBus *) * i);
|
2243 |
for (i = 0; pxa255_ssp[i].io_base; i ++) { |
2244 |
DeviceState *dev; |
2245 |
dev = sysbus_create_simple("pxa2xx-ssp", pxa255_ssp[i].io_base,
|
2246 |
s->pic[pxa255_ssp[i].irqn]); |
2247 |
s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
|
2248 |
} |
2249 |
|
2250 |
if (usb_enabled) {
|
2251 |
sysbus_create_simple("sysbus-ohci", 0x4c000000, |
2252 |
s->pic[PXA2XX_PIC_USBH1]); |
2253 |
} |
2254 |
|
2255 |
s->pcmcia[0] = pxa2xx_pcmcia_init(0x20000000); |
2256 |
s->pcmcia[1] = pxa2xx_pcmcia_init(0x30000000); |
2257 |
|
2258 |
s->rtc_base = 0x40900000;
|
2259 |
iomemtype = cpu_register_io_memory(pxa2xx_rtc_readfn, |
2260 |
pxa2xx_rtc_writefn, s); |
2261 |
cpu_register_physical_memory(s->rtc_base, 0x1000, iomemtype);
|
2262 |
pxa2xx_rtc_init(s); |
2263 |
register_savevm("pxa2xx_rtc", 0, 0, pxa2xx_rtc_save, pxa2xx_rtc_load, s); |
2264 |
|
2265 |
s->i2c[0] = pxa2xx_i2c_init(0x40301600, s->pic[PXA2XX_PIC_I2C], 0xffff); |
2266 |
s->i2c[1] = pxa2xx_i2c_init(0x40f00100, s->pic[PXA2XX_PIC_PWRI2C], 0xff); |
2267 |
|
2268 |
s->i2s = pxa2xx_i2s_init(0x40400000, s->pic[PXA2XX_PIC_I2S], s->dma);
|
2269 |
|
2270 |
/* GPIO1 resets the processor */
|
2271 |
/* The handler can be overridden by board-specific code */
|
2272 |
pxa2xx_gpio_out_set(s->gpio, 1, s->reset);
|
2273 |
return s;
|
2274 |
} |
2275 |
|
2276 |
static void pxa2xx_register_devices(void) |
2277 |
{ |
2278 |
i2c_register_slave(&pxa2xx_i2c_slave_info); |
2279 |
sysbus_register_dev("pxa2xx-ssp", sizeof(PXA2xxSSPState), pxa2xx_ssp_init); |
2280 |
} |
2281 |
|
2282 |
device_init(pxa2xx_register_devices) |