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/*
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* SH7750 device
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*
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* Copyright (c) 2007 Magnus Damm
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* Copyright (c) 2005 Samuel Tardieu
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
|
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdio.h> |
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#include <assert.h> |
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#include "hw.h" |
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#include "sh.h" |
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#include "sysemu.h" |
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#include "sh7750_regs.h" |
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#include "sh7750_regnames.h" |
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#include "sh_intc.h" |
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#include "exec-all.h" |
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#include "cpu.h" |
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|
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#define NB_DEVICES 4 |
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|
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typedef struct SH7750State { |
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/* CPU */
|
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CPUSH4State *cpu; |
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/* Peripheral frequency in Hz */
|
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uint32_t periph_freq; |
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/* SDRAM controller */
|
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uint16_t rfcr; |
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/* IO ports */
|
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uint16_t gpioic; |
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uint32_t pctra; |
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uint32_t pctrb; |
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uint16_t portdira; /* Cached */
|
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uint16_t portpullupa; /* Cached */
|
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uint16_t portdirb; /* Cached */
|
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uint16_t portpullupb; /* Cached */
|
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uint16_t pdtra; |
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uint16_t pdtrb; |
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uint16_t periph_pdtra; /* Imposed by the peripherals */
|
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uint16_t periph_portdira; /* Direction seen from the peripherals */
|
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uint16_t periph_pdtrb; /* Imposed by the peripherals */
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uint16_t periph_portdirb; /* Direction seen from the peripherals */
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sh7750_io_device *devices[NB_DEVICES]; /* External peripherals */
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|
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uint16_t icr; |
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/* Cache */
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uint32_t ccr; |
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|
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struct intc_desc intc;
|
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} SH7750State; |
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|
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|
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/**********************************************************************
|
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I/O ports
|
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**********************************************************************/
|
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|
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int sh7750_register_io_device(SH7750State * s, sh7750_io_device * device)
|
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{
|
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int i;
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|
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for (i = 0; i < NB_DEVICES; i++) { |
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if (s->devices[i] == NULL) { |
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s->devices[i] = device; |
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return 0; |
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} |
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} |
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return -1; |
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} |
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|
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static uint16_t portdir(uint32_t v)
|
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{
|
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#define EVENPORTMASK(n) ((v & (1<<((n)<<1))) >> (n)) |
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return
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EVENPORTMASK(15) | EVENPORTMASK(14) | EVENPORTMASK(13) | |
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EVENPORTMASK(12) | EVENPORTMASK(11) | EVENPORTMASK(10) | |
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EVENPORTMASK(9) | EVENPORTMASK(8) | EVENPORTMASK(7) | |
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EVENPORTMASK(6) | EVENPORTMASK(5) | EVENPORTMASK(4) | |
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EVENPORTMASK(3) | EVENPORTMASK(2) | EVENPORTMASK(1) | |
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EVENPORTMASK(0);
|
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} |
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|
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static uint16_t portpullup(uint32_t v)
|
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{
|
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#define ODDPORTMASK(n) ((v & (1<<(((n)<<1)+1))) >> (n)) |
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return
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ODDPORTMASK(15) | ODDPORTMASK(14) | ODDPORTMASK(13) | |
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ODDPORTMASK(12) | ODDPORTMASK(11) | ODDPORTMASK(10) | |
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ODDPORTMASK(9) | ODDPORTMASK(8) | ODDPORTMASK(7) | ODDPORTMASK(6) | |
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ODDPORTMASK(5) | ODDPORTMASK(4) | ODDPORTMASK(3) | ODDPORTMASK(2) | |
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ODDPORTMASK(1) | ODDPORTMASK(0); |
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} |
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|
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static uint16_t porta_lines(SH7750State * s)
|
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{
|
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return (s->portdira & s->pdtra) | /* CPU */ |
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(s->periph_portdira & s->periph_pdtra) | /* Peripherals */
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(~(s->portdira | s->periph_portdira) & s->portpullupa); /* Pullups */
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} |
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|
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static uint16_t portb_lines(SH7750State * s)
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{
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return (s->portdirb & s->pdtrb) | /* CPU */ |
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(s->periph_portdirb & s->periph_pdtrb) | /* Peripherals */
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(~(s->portdirb | s->periph_portdirb) & s->portpullupb); /* Pullups */
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} |
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|
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static void gen_port_interrupts(SH7750State * s) |
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{
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/* XXXXX interrupts not generated */
|
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} |
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|
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static void porta_changed(SH7750State * s, uint16_t prev) |
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{
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uint16_t currenta, changes; |
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int i, r = 0; |
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|
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#if 0
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fprintf(stderr, "porta changed from 0x%04x to 0x%04x\n",
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prev, porta_lines(s));
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fprintf(stderr, "pdtra=0x%04x, pctra=0x%08x\n", s->pdtra, s->pctra);
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#endif
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currenta = porta_lines(s); |
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if (currenta == prev)
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return;
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changes = currenta ^ prev; |
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|
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for (i = 0; i < NB_DEVICES; i++) { |
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if (s->devices[i] && (s->devices[i]->portamask_trigger & changes)) {
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r |= s->devices[i]->port_change_cb(currenta, portb_lines(s), |
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&s->periph_pdtra, |
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&s->periph_portdira, |
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&s->periph_pdtrb, |
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&s->periph_portdirb); |
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} |
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} |
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|
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if (r)
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gen_port_interrupts(s); |
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} |
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|
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static void portb_changed(SH7750State * s, uint16_t prev) |
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{
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uint16_t currentb, changes; |
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int i, r = 0; |
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|
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currentb = portb_lines(s); |
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if (currentb == prev)
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return;
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changes = currentb ^ prev; |
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|
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for (i = 0; i < NB_DEVICES; i++) { |
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if (s->devices[i] && (s->devices[i]->portbmask_trigger & changes)) {
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r |= s->devices[i]->port_change_cb(portb_lines(s), currentb, |
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&s->periph_pdtra, |
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&s->periph_portdira, |
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&s->periph_pdtrb, |
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&s->periph_portdirb); |
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} |
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} |
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|
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if (r)
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gen_port_interrupts(s); |
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} |
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|
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/**********************************************************************
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Memory
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**********************************************************************/
|
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|
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static void error_access(const char *kind, target_phys_addr_t addr) |
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{
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fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") not supported\n", |
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kind, regname(addr), addr); |
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} |
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|
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static void ignore_access(const char *kind, target_phys_addr_t addr) |
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{
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fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") ignored\n", |
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kind, regname(addr), addr); |
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} |
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|
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static uint32_t sh7750_mem_readb(void *opaque, target_phys_addr_t addr) |
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{
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switch (addr) {
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default:
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error_access("byte read", addr);
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assert(0);
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} |
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} |
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|
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static uint32_t sh7750_mem_readw(void *opaque, target_phys_addr_t addr) |
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{
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SH7750State *s = opaque; |
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|
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switch (addr) {
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case SH7750_FRQCR_A7:
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return 0; |
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case SH7750_RFCR_A7:
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fprintf(stderr, |
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"Read access to refresh count register, incrementing\n");
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return s->rfcr++;
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case SH7750_PDTRA_A7:
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return porta_lines(s);
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case SH7750_PDTRB_A7:
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return portb_lines(s);
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case 0x1fd00000: |
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return s->icr;
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default:
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error_access("word read", addr);
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assert(0);
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} |
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} |
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|
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static uint32_t sh7750_mem_readl(void *opaque, target_phys_addr_t addr) |
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{
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SH7750State *s = opaque; |
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|
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switch (addr) {
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case SH7750_MMUCR_A7:
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return s->cpu->mmucr;
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case SH7750_PTEH_A7:
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return s->cpu->pteh;
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case SH7750_PTEL_A7:
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return s->cpu->ptel;
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case SH7750_TTB_A7:
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return s->cpu->ttb;
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case SH7750_TEA_A7:
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return s->cpu->tea;
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case SH7750_TRA_A7:
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return s->cpu->tra;
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case SH7750_EXPEVT_A7:
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return s->cpu->expevt;
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case SH7750_INTEVT_A7:
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return s->cpu->intevt;
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case SH7750_CCR_A7:
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return s->ccr;
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case 0x1f000030: /* Processor version */ |
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return s->cpu->pvr;
|
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case 0x1f000040: /* Cache version */ |
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return s->cpu->cvr;
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case 0x1f000044: /* Processor revision */ |
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return s->cpu->prr;
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default:
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error_access("long read", addr);
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assert(0);
|
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} |
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} |
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|
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static void sh7750_mem_writeb(void *opaque, target_phys_addr_t addr, |
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uint32_t mem_value) |
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{
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switch (addr) {
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/* PRECHARGE ? XXXXX */
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case SH7750_PRECHARGE0_A7:
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case SH7750_PRECHARGE1_A7:
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ignore_access("byte write", addr);
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return;
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default:
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error_access("byte write", addr);
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assert(0);
|
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} |
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} |
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|
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static void sh7750_mem_writew(void *opaque, target_phys_addr_t addr, |
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uint32_t mem_value) |
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{
|
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SH7750State *s = opaque; |
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uint16_t temp; |
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|
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switch (addr) {
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/* SDRAM controller */
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case SH7750_BCR2_A7:
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case SH7750_BCR3_A7:
|
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case SH7750_RTCOR_A7:
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case SH7750_RTCNT_A7:
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case SH7750_RTCSR_A7:
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ignore_access("word write", addr);
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return;
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/* IO ports */
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case SH7750_PDTRA_A7:
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temp = porta_lines(s); |
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s->pdtra = mem_value; |
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porta_changed(s, temp); |
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return;
|
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case SH7750_PDTRB_A7:
|
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temp = portb_lines(s); |
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s->pdtrb = mem_value; |
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portb_changed(s, temp); |
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return;
|
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case SH7750_RFCR_A7:
|
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fprintf(stderr, "Write access to refresh count register\n");
|
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s->rfcr = mem_value; |
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return;
|
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case SH7750_GPIOIC_A7:
|
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s->gpioic = mem_value; |
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if (mem_value != 0) { |
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fprintf(stderr, "I/O interrupts not implemented\n");
|
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assert(0);
|
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} |
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return;
|
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case 0x1fd00000: |
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s->icr = mem_value; |
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return;
|
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default:
|
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error_access("word write", addr);
|
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assert(0);
|
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} |
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} |
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|
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static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr, |
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uint32_t mem_value) |
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{
|
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SH7750State *s = opaque; |
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uint16_t temp; |
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|
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switch (addr) {
|
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/* SDRAM controller */
|
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case SH7750_BCR1_A7:
|
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case SH7750_BCR4_A7:
|
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case SH7750_WCR1_A7:
|
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case SH7750_WCR2_A7:
|
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case SH7750_WCR3_A7:
|
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case SH7750_MCR_A7:
|
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ignore_access("long write", addr);
|
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return;
|
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/* IO ports */
|
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case SH7750_PCTRA_A7:
|
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temp = porta_lines(s); |
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s->pctra = mem_value; |
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s->portdira = portdir(mem_value); |
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s->portpullupa = portpullup(mem_value); |
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porta_changed(s, temp); |
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return;
|
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case SH7750_PCTRB_A7:
|
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temp = portb_lines(s); |
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s->pctrb = mem_value; |
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s->portdirb = portdir(mem_value); |
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s->portpullupb = portpullup(mem_value); |
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portb_changed(s, temp); |
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return;
|
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case SH7750_MMUCR_A7:
|
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s->cpu->mmucr = mem_value; |
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return;
|
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case SH7750_PTEH_A7:
|
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/* If asid changes, clear all registered tlb entries. */
|
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if ((s->cpu->pteh & 0xff) != (mem_value & 0xff)) |
| 362 |
tlb_flush(s->cpu, 1);
|
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s->cpu->pteh = mem_value; |
| 364 |
return;
|
| 365 |
case SH7750_PTEL_A7:
|
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s->cpu->ptel = mem_value; |
| 367 |
return;
|
| 368 |
case SH7750_PTEA_A7:
|
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s->cpu->ptea = mem_value & 0x0000000f;
|
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return;
|
| 371 |
case SH7750_TTB_A7:
|
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s->cpu->ttb = mem_value; |
| 373 |
return;
|
| 374 |
case SH7750_TEA_A7:
|
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s->cpu->tea = mem_value; |
| 376 |
return;
|
| 377 |
case SH7750_TRA_A7:
|
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s->cpu->tra = mem_value & 0x000007ff;
|
| 379 |
return;
|
| 380 |
case SH7750_EXPEVT_A7:
|
| 381 |
s->cpu->expevt = mem_value & 0x000007ff;
|
| 382 |
return;
|
| 383 |
case SH7750_INTEVT_A7:
|
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s->cpu->intevt = mem_value & 0x000007ff;
|
| 385 |
return;
|
| 386 |
case SH7750_CCR_A7:
|
| 387 |
s->ccr = mem_value; |
| 388 |
return;
|
| 389 |
default:
|
| 390 |
error_access("long write", addr);
|
| 391 |
assert(0);
|
| 392 |
} |
| 393 |
} |
| 394 |
|
| 395 |
static CPUReadMemoryFunc *sh7750_mem_read[] = {
|
| 396 |
sh7750_mem_readb, |
| 397 |
sh7750_mem_readw, |
| 398 |
sh7750_mem_readl |
| 399 |
}; |
| 400 |
|
| 401 |
static CPUWriteMemoryFunc *sh7750_mem_write[] = {
|
| 402 |
sh7750_mem_writeb, |
| 403 |
sh7750_mem_writew, |
| 404 |
sh7750_mem_writel |
| 405 |
}; |
| 406 |
|
| 407 |
/* sh775x interrupt controller tables for sh_intc.c
|
| 408 |
* stolen from linux/arch/sh/kernel/cpu/sh4/setup-sh7750.c
|
| 409 |
*/
|
| 410 |
|
| 411 |
enum {
|
| 412 |
UNUSED = 0,
|
| 413 |
|
| 414 |
/* interrupt sources */
|
| 415 |
IRL0, IRL1, IRL2, IRL3, /* only IRLM mode supported */
|
| 416 |
HUDI, GPIOI, |
| 417 |
DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, DMAC_DMTE3, |
| 418 |
DMAC_DMTE4, DMAC_DMTE5, DMAC_DMTE6, DMAC_DMTE7, |
| 419 |
DMAC_DMAE, |
| 420 |
PCIC0_PCISERR, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON, |
| 421 |
PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3, |
| 422 |
TMU3, TMU4, TMU0, TMU1, TMU2_TUNI, TMU2_TICPI, |
| 423 |
RTC_ATI, RTC_PRI, RTC_CUI, |
| 424 |
SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI, |
| 425 |
SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI, |
| 426 |
WDT, |
| 427 |
REF_RCMI, REF_ROVI, |
| 428 |
|
| 429 |
/* interrupt groups */
|
| 430 |
DMAC, PCIC1, TMU2, RTC, SCI1, SCIF, REF, |
| 431 |
|
| 432 |
NR_SOURCES, |
| 433 |
}; |
| 434 |
|
| 435 |
static struct intc_vect vectors[] = { |
| 436 |
INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620), |
| 437 |
INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), |
| 438 |
INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460), |
| 439 |
INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0), |
| 440 |
INTC_VECT(RTC_CUI, 0x4c0),
|
| 441 |
INTC_VECT(SCI1_ERI, 0x4e0), INTC_VECT(SCI1_RXI, 0x500), |
| 442 |
INTC_VECT(SCI1_TXI, 0x520), INTC_VECT(SCI1_TEI, 0x540), |
| 443 |
INTC_VECT(SCIF_ERI, 0x700), INTC_VECT(SCIF_RXI, 0x720), |
| 444 |
INTC_VECT(SCIF_BRI, 0x740), INTC_VECT(SCIF_TXI, 0x760), |
| 445 |
INTC_VECT(WDT, 0x560),
|
| 446 |
INTC_VECT(REF_RCMI, 0x580), INTC_VECT(REF_ROVI, 0x5a0), |
| 447 |
}; |
| 448 |
|
| 449 |
static struct intc_group groups[] = { |
| 450 |
INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI), |
| 451 |
INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI), |
| 452 |
INTC_GROUP(SCI1, SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI), |
| 453 |
INTC_GROUP(SCIF, SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI), |
| 454 |
INTC_GROUP(REF, REF_RCMI, REF_ROVI), |
| 455 |
}; |
| 456 |
|
| 457 |
static struct intc_prio_reg prio_registers[] = { |
| 458 |
{ 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
|
| 459 |
{ 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, SCI1, 0 } },
|
| 460 |
{ 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, SCIF, HUDI } },
|
| 461 |
{ 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
|
| 462 |
{ 0xfe080000, 0, 32, 4, /* INTPRI00 */ { 0, 0, 0, 0,
|
| 463 |
TMU4, TMU3, |
| 464 |
PCIC1, PCIC0_PCISERR } }, |
| 465 |
}; |
| 466 |
|
| 467 |
/* SH7750, SH7750S, SH7751 and SH7091 all have 4-channel DMA controllers */
|
| 468 |
|
| 469 |
static struct intc_vect vectors_dma4[] = { |
| 470 |
INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660), |
| 471 |
INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0), |
| 472 |
INTC_VECT(DMAC_DMAE, 0x6c0),
|
| 473 |
}; |
| 474 |
|
| 475 |
static struct intc_group groups_dma4[] = { |
| 476 |
INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, |
| 477 |
DMAC_DMTE3, DMAC_DMAE), |
| 478 |
}; |
| 479 |
|
| 480 |
/* SH7750R and SH7751R both have 8-channel DMA controllers */
|
| 481 |
|
| 482 |
static struct intc_vect vectors_dma8[] = { |
| 483 |
INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660), |
| 484 |
INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0), |
| 485 |
INTC_VECT(DMAC_DMTE4, 0x780), INTC_VECT(DMAC_DMTE5, 0x7a0), |
| 486 |
INTC_VECT(DMAC_DMTE6, 0x7c0), INTC_VECT(DMAC_DMTE7, 0x7e0), |
| 487 |
INTC_VECT(DMAC_DMAE, 0x6c0),
|
| 488 |
}; |
| 489 |
|
| 490 |
static struct intc_group groups_dma8[] = { |
| 491 |
INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, |
| 492 |
DMAC_DMTE3, DMAC_DMTE4, DMAC_DMTE5, |
| 493 |
DMAC_DMTE6, DMAC_DMTE7, DMAC_DMAE), |
| 494 |
}; |
| 495 |
|
| 496 |
/* SH7750R, SH7751 and SH7751R all have two extra timer channels */
|
| 497 |
|
| 498 |
static struct intc_vect vectors_tmu34[] = { |
| 499 |
INTC_VECT(TMU3, 0xb00), INTC_VECT(TMU4, 0xb80), |
| 500 |
}; |
| 501 |
|
| 502 |
static struct intc_mask_reg mask_registers[] = { |
| 503 |
{ 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
|
| 504 |
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
| 505 |
0, 0, 0, 0, 0, 0, TMU4, TMU3, |
| 506 |
PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON, |
| 507 |
PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, |
| 508 |
PCIC1_PCIDMA3, PCIC0_PCISERR } }, |
| 509 |
}; |
| 510 |
|
| 511 |
/* SH7750S, SH7750R, SH7751 and SH7751R all have IRLM priority registers */
|
| 512 |
|
| 513 |
static struct intc_vect vectors_irlm[] = { |
| 514 |
INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0), |
| 515 |
INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360), |
| 516 |
}; |
| 517 |
|
| 518 |
/* SH7751 and SH7751R both have PCI */
|
| 519 |
|
| 520 |
static struct intc_vect vectors_pci[] = { |
| 521 |
INTC_VECT(PCIC0_PCISERR, 0xa00), INTC_VECT(PCIC1_PCIERR, 0xae0), |
| 522 |
INTC_VECT(PCIC1_PCIPWDWN, 0xac0), INTC_VECT(PCIC1_PCIPWON, 0xaa0), |
| 523 |
INTC_VECT(PCIC1_PCIDMA0, 0xa80), INTC_VECT(PCIC1_PCIDMA1, 0xa60), |
| 524 |
INTC_VECT(PCIC1_PCIDMA2, 0xa40), INTC_VECT(PCIC1_PCIDMA3, 0xa20), |
| 525 |
}; |
| 526 |
|
| 527 |
static struct intc_group groups_pci[] = { |
| 528 |
INTC_GROUP(PCIC1, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON, |
| 529 |
PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3), |
| 530 |
}; |
| 531 |
|
| 532 |
/**********************************************************************
|
| 533 |
Memory mapped cache and TLB
|
| 534 |
**********************************************************************/
|
| 535 |
|
| 536 |
#define MM_REGION_MASK 0x07000000 |
| 537 |
#define MM_ICACHE_ADDR (0) |
| 538 |
#define MM_ICACHE_DATA (1) |
| 539 |
#define MM_ITLB_ADDR (2) |
| 540 |
#define MM_ITLB_DATA (3) |
| 541 |
#define MM_OCACHE_ADDR (4) |
| 542 |
#define MM_OCACHE_DATA (5) |
| 543 |
#define MM_UTLB_ADDR (6) |
| 544 |
#define MM_UTLB_DATA (7) |
| 545 |
#define MM_REGION_TYPE(addr) ((addr & MM_REGION_MASK) >> 24) |
| 546 |
|
| 547 |
static uint32_t invalid_read(void *opaque, target_phys_addr_t addr) |
| 548 |
{
|
| 549 |
assert(0);
|
| 550 |
|
| 551 |
return 0; |
| 552 |
} |
| 553 |
|
| 554 |
static uint32_t sh7750_mmct_readl(void *opaque, target_phys_addr_t addr) |
| 555 |
{
|
| 556 |
uint32_t ret = 0;
|
| 557 |
|
| 558 |
switch (MM_REGION_TYPE(addr)) {
|
| 559 |
case MM_ICACHE_ADDR:
|
| 560 |
case MM_ICACHE_DATA:
|
| 561 |
/* do nothing */
|
| 562 |
break;
|
| 563 |
case MM_ITLB_ADDR:
|
| 564 |
case MM_ITLB_DATA:
|
| 565 |
/* XXXXX */
|
| 566 |
assert(0);
|
| 567 |
break;
|
| 568 |
case MM_OCACHE_ADDR:
|
| 569 |
case MM_OCACHE_DATA:
|
| 570 |
/* do nothing */
|
| 571 |
break;
|
| 572 |
case MM_UTLB_ADDR:
|
| 573 |
case MM_UTLB_DATA:
|
| 574 |
/* XXXXX */
|
| 575 |
assert(0);
|
| 576 |
break;
|
| 577 |
default:
|
| 578 |
assert(0);
|
| 579 |
} |
| 580 |
|
| 581 |
return ret;
|
| 582 |
} |
| 583 |
|
| 584 |
static void invalid_write(void *opaque, target_phys_addr_t addr, |
| 585 |
uint32_t mem_value) |
| 586 |
{
|
| 587 |
assert(0);
|
| 588 |
} |
| 589 |
|
| 590 |
static void sh7750_mmct_writel(void *opaque, target_phys_addr_t addr, |
| 591 |
uint32_t mem_value) |
| 592 |
{
|
| 593 |
SH7750State *s = opaque; |
| 594 |
|
| 595 |
switch (MM_REGION_TYPE(addr)) {
|
| 596 |
case MM_ICACHE_ADDR:
|
| 597 |
case MM_ICACHE_DATA:
|
| 598 |
/* do nothing */
|
| 599 |
break;
|
| 600 |
case MM_ITLB_ADDR:
|
| 601 |
case MM_ITLB_DATA:
|
| 602 |
/* XXXXX */
|
| 603 |
assert(0);
|
| 604 |
break;
|
| 605 |
case MM_OCACHE_ADDR:
|
| 606 |
case MM_OCACHE_DATA:
|
| 607 |
/* do nothing */
|
| 608 |
break;
|
| 609 |
case MM_UTLB_ADDR:
|
| 610 |
cpu_sh4_write_mmaped_utlb_addr(s->cpu, addr, mem_value); |
| 611 |
break;
|
| 612 |
case MM_UTLB_DATA:
|
| 613 |
/* XXXXX */
|
| 614 |
assert(0);
|
| 615 |
break;
|
| 616 |
default:
|
| 617 |
assert(0);
|
| 618 |
break;
|
| 619 |
} |
| 620 |
} |
| 621 |
|
| 622 |
static CPUReadMemoryFunc *sh7750_mmct_read[] = {
|
| 623 |
invalid_read, |
| 624 |
invalid_read, |
| 625 |
sh7750_mmct_readl |
| 626 |
}; |
| 627 |
|
| 628 |
static CPUWriteMemoryFunc *sh7750_mmct_write[] = {
|
| 629 |
invalid_write, |
| 630 |
invalid_write, |
| 631 |
sh7750_mmct_writel |
| 632 |
}; |
| 633 |
|
| 634 |
SH7750State *sh7750_init(CPUSH4State * cpu) |
| 635 |
{
|
| 636 |
SH7750State *s; |
| 637 |
int sh7750_io_memory;
|
| 638 |
int sh7750_mm_cache_and_tlb; /* memory mapped cache and tlb */ |
| 639 |
|
| 640 |
s = qemu_mallocz(sizeof(SH7750State));
|
| 641 |
s->cpu = cpu; |
| 642 |
s->periph_freq = 60000000; /* 60MHz */ |
| 643 |
sh7750_io_memory = cpu_register_io_memory(0,
|
| 644 |
sh7750_mem_read, |
| 645 |
sh7750_mem_write, s); |
| 646 |
cpu_register_physical_memory(0x1c000000, 0x04000000, sh7750_io_memory); |
| 647 |
|
| 648 |
sh7750_mm_cache_and_tlb = cpu_register_io_memory(0,
|
| 649 |
sh7750_mmct_read, |
| 650 |
sh7750_mmct_write, s); |
| 651 |
cpu_register_physical_memory(0xf0000000, 0x08000000, |
| 652 |
sh7750_mm_cache_and_tlb); |
| 653 |
|
| 654 |
sh_intc_init(&s->intc, NR_SOURCES, |
| 655 |
_INTC_ARRAY(mask_registers), |
| 656 |
_INTC_ARRAY(prio_registers)); |
| 657 |
|
| 658 |
sh_intc_register_sources(&s->intc, |
| 659 |
_INTC_ARRAY(vectors), |
| 660 |
_INTC_ARRAY(groups)); |
| 661 |
|
| 662 |
cpu->intc_handle = &s->intc; |
| 663 |
|
| 664 |
sh_serial_init(0x1fe00000, 0, s->periph_freq, serial_hds[0], |
| 665 |
sh_intc_source(&s->intc, SCI1_ERI), |
| 666 |
sh_intc_source(&s->intc, SCI1_RXI), |
| 667 |
sh_intc_source(&s->intc, SCI1_TXI), |
| 668 |
sh_intc_source(&s->intc, SCI1_TEI), |
| 669 |
NULL);
|
| 670 |
sh_serial_init(0x1fe80000, SH_SERIAL_FEAT_SCIF,
|
| 671 |
s->periph_freq, serial_hds[1],
|
| 672 |
sh_intc_source(&s->intc, SCIF_ERI), |
| 673 |
sh_intc_source(&s->intc, SCIF_RXI), |
| 674 |
sh_intc_source(&s->intc, SCIF_TXI), |
| 675 |
NULL,
|
| 676 |
sh_intc_source(&s->intc, SCIF_BRI)); |
| 677 |
|
| 678 |
tmu012_init(0x1fd80000,
|
| 679 |
TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK, |
| 680 |
s->periph_freq, |
| 681 |
sh_intc_source(&s->intc, TMU0), |
| 682 |
sh_intc_source(&s->intc, TMU1), |
| 683 |
sh_intc_source(&s->intc, TMU2_TUNI), |
| 684 |
sh_intc_source(&s->intc, TMU2_TICPI)); |
| 685 |
|
| 686 |
if (cpu->id & (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7751)) {
|
| 687 |
sh_intc_register_sources(&s->intc, |
| 688 |
_INTC_ARRAY(vectors_dma4), |
| 689 |
_INTC_ARRAY(groups_dma4)); |
| 690 |
} |
| 691 |
|
| 692 |
if (cpu->id & (SH_CPU_SH7750R | SH_CPU_SH7751R)) {
|
| 693 |
sh_intc_register_sources(&s->intc, |
| 694 |
_INTC_ARRAY(vectors_dma8), |
| 695 |
_INTC_ARRAY(groups_dma8)); |
| 696 |
} |
| 697 |
|
| 698 |
if (cpu->id & (SH_CPU_SH7750R | SH_CPU_SH7751 | SH_CPU_SH7751R)) {
|
| 699 |
sh_intc_register_sources(&s->intc, |
| 700 |
_INTC_ARRAY(vectors_tmu34), |
| 701 |
NULL, 0); |
| 702 |
tmu012_init(0x1e100000, 0, s->periph_freq, |
| 703 |
sh_intc_source(&s->intc, TMU3), |
| 704 |
sh_intc_source(&s->intc, TMU4), |
| 705 |
NULL, NULL); |
| 706 |
} |
| 707 |
|
| 708 |
if (cpu->id & (SH_CPU_SH7751_ALL)) {
|
| 709 |
sh_intc_register_sources(&s->intc, |
| 710 |
_INTC_ARRAY(vectors_pci), |
| 711 |
_INTC_ARRAY(groups_pci)); |
| 712 |
} |
| 713 |
|
| 714 |
if (cpu->id & (SH_CPU_SH7750S | SH_CPU_SH7750R | SH_CPU_SH7751_ALL)) {
|
| 715 |
sh_intc_register_sources(&s->intc, |
| 716 |
_INTC_ARRAY(vectors_irlm), |
| 717 |
NULL, 0); |
| 718 |
} |
| 719 |
|
| 720 |
return s;
|
| 721 |
} |