#include "sysemu/char.h"
#include "sysemu/sysemu.h"
#include "sysemu/arch_init.h"
-#include "hw/boards.h"
#include "qemu/log.h"
#include "hw/mips/bios.h"
#include "hw/ide.h"
#include "sysemu/blockdev.h"
#include "exec/address-spaces.h"
#include "hw/sysbus.h" /* SysBusDevice */
+#include "qemu/host-utils.h"
+#include "sysemu/qtest.h"
+#include "qemu/error-report.h"
+#include "hw/empty_slot.h"
//#define DEBUG_BOARD_INIT
SerialState *uart;
} MaltaFPGAState;
+#define TYPE_MIPS_MALTA "mips-malta"
+#define MIPS_MALTA(obj) OBJECT_CHECK(MaltaState, (obj), TYPE_MIPS_MALTA)
+
typedef struct {
- SysBusDevice busdev;
+ SysBusDevice parent_obj;
+
qemu_irq *i8259;
} MaltaState;
typedef struct _eeprom24c0x_t eeprom24c0x_t;
-static eeprom24c0x_t eeprom = {
+static eeprom24c0x_t spd_eeprom = {
.contents = {
- /* 00000000: */ 0x80,0x08,0x04,0x0D,0x0A,0x01,0x40,0x00,
+ /* 00000000: */ 0x80,0x08,0xFF,0x0D,0x0A,0xFF,0x40,0x00,
/* 00000008: */ 0x01,0x75,0x54,0x00,0x82,0x08,0x00,0x01,
- /* 00000010: */ 0x8F,0x04,0x02,0x01,0x01,0x00,0x0E,0x00,
- /* 00000018: */ 0x00,0x00,0x00,0x14,0x0F,0x14,0x2D,0x40,
+ /* 00000010: */ 0x8F,0x04,0x02,0x01,0x01,0x00,0x00,0x00,
+ /* 00000018: */ 0x00,0x00,0x00,0x14,0x0F,0x14,0x2D,0xFF,
/* 00000020: */ 0x15,0x08,0x15,0x08,0x00,0x00,0x00,0x00,
/* 00000028: */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/* 00000030: */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
},
};
-static uint8_t eeprom24c0x_read(void)
+static void generate_eeprom_spd(uint8_t *eeprom, ram_addr_t ram_size)
+{
+ enum { SDR = 0x4, DDR2 = 0x8 } type;
+ uint8_t *spd = spd_eeprom.contents;
+ uint8_t nbanks = 0;
+ uint16_t density = 0;
+ int i;
+
+ /* work in terms of MB */
+ ram_size >>= 20;
+
+ while ((ram_size >= 4) && (nbanks <= 2)) {
+ int sz_log2 = MIN(31 - clz32(ram_size), 14);
+ nbanks++;
+ density |= 1 << (sz_log2 - 2);
+ ram_size -= 1 << sz_log2;
+ }
+
+ /* split to 2 banks if possible */
+ if ((nbanks == 1) && (density > 1)) {
+ nbanks++;
+ density >>= 1;
+ }
+
+ if (density & 0xff00) {
+ density = (density & 0xe0) | ((density >> 8) & 0x1f);
+ type = DDR2;
+ } else if (!(density & 0x1f)) {
+ type = DDR2;
+ } else {
+ type = SDR;
+ }
+
+ if (ram_size) {
+ fprintf(stderr, "Warning: SPD cannot represent final %dMB"
+ " of SDRAM\n", (int)ram_size);
+ }
+
+ /* fill in SPD memory information */
+ spd[2] = type;
+ spd[5] = nbanks;
+ spd[31] = density;
+
+ /* checksum */
+ spd[63] = 0;
+ for (i = 0; i < 63; i++) {
+ spd[63] += spd[i];
+ }
+
+ /* copy for SMBUS */
+ memcpy(eeprom, spd, sizeof(spd_eeprom.contents));
+}
+
+static void generate_eeprom_serial(uint8_t *eeprom)
+{
+ int i, pos = 0;
+ uint8_t mac[6] = { 0x00 };
+ uint8_t sn[5] = { 0x01, 0x23, 0x45, 0x67, 0x89 };
+
+ /* version */
+ eeprom[pos++] = 0x01;
+
+ /* count */
+ eeprom[pos++] = 0x02;
+
+ /* MAC address */
+ eeprom[pos++] = 0x01; /* MAC */
+ eeprom[pos++] = 0x06; /* length */
+ memcpy(&eeprom[pos], mac, sizeof(mac));
+ pos += sizeof(mac);
+
+ /* serial number */
+ eeprom[pos++] = 0x02; /* serial */
+ eeprom[pos++] = 0x05; /* length */
+ memcpy(&eeprom[pos], sn, sizeof(sn));
+ pos += sizeof(sn);
+
+ /* checksum */
+ eeprom[pos] = 0;
+ for (i = 0; i < pos; i++) {
+ eeprom[pos] += eeprom[i];
+ }
+}
+
+static uint8_t eeprom24c0x_read(eeprom24c0x_t *eeprom)
{
logout("%u: scl = %u, sda = %u, data = 0x%02x\n",
- eeprom.tick, eeprom.scl, eeprom.sda, eeprom.data);
- return eeprom.sda;
+ eeprom->tick, eeprom->scl, eeprom->sda, eeprom->data);
+ return eeprom->sda;
}
-static void eeprom24c0x_write(int scl, int sda)
+static void eeprom24c0x_write(eeprom24c0x_t *eeprom, int scl, int sda)
{
- if (eeprom.scl && scl && (eeprom.sda != sda)) {
+ if (eeprom->scl && scl && (eeprom->sda != sda)) {
logout("%u: scl = %u->%u, sda = %u->%u i2c %s\n",
- eeprom.tick, eeprom.scl, scl, eeprom.sda, sda, sda ? "stop" : "start");
+ eeprom->tick, eeprom->scl, scl, eeprom->sda, sda,
+ sda ? "stop" : "start");
if (!sda) {
- eeprom.tick = 1;
- eeprom.command = 0;
+ eeprom->tick = 1;
+ eeprom->command = 0;
}
- } else if (eeprom.tick == 0 && !eeprom.ack) {
+ } else if (eeprom->tick == 0 && !eeprom->ack) {
/* Waiting for start. */
logout("%u: scl = %u->%u, sda = %u->%u wait for i2c start\n",
- eeprom.tick, eeprom.scl, scl, eeprom.sda, sda);
- } else if (!eeprom.scl && scl) {
+ eeprom->tick, eeprom->scl, scl, eeprom->sda, sda);
+ } else if (!eeprom->scl && scl) {
logout("%u: scl = %u->%u, sda = %u->%u trigger bit\n",
- eeprom.tick, eeprom.scl, scl, eeprom.sda, sda);
- if (eeprom.ack) {
+ eeprom->tick, eeprom->scl, scl, eeprom->sda, sda);
+ if (eeprom->ack) {
logout("\ti2c ack bit = 0\n");
sda = 0;
- eeprom.ack = 0;
- } else if (eeprom.sda == sda) {
+ eeprom->ack = 0;
+ } else if (eeprom->sda == sda) {
uint8_t bit = (sda != 0);
logout("\ti2c bit = %d\n", bit);
- if (eeprom.tick < 9) {
- eeprom.command <<= 1;
- eeprom.command += bit;
- eeprom.tick++;
- if (eeprom.tick == 9) {
- logout("\tcommand 0x%04x, %s\n", eeprom.command, bit ? "read" : "write");
- eeprom.ack = 1;
+ if (eeprom->tick < 9) {
+ eeprom->command <<= 1;
+ eeprom->command += bit;
+ eeprom->tick++;
+ if (eeprom->tick == 9) {
+ logout("\tcommand 0x%04x, %s\n", eeprom->command,
+ bit ? "read" : "write");
+ eeprom->ack = 1;
}
- } else if (eeprom.tick < 17) {
- if (eeprom.command & 1) {
- sda = ((eeprom.data & 0x80) != 0);
+ } else if (eeprom->tick < 17) {
+ if (eeprom->command & 1) {
+ sda = ((eeprom->data & 0x80) != 0);
}
- eeprom.address <<= 1;
- eeprom.address += bit;
- eeprom.tick++;
- eeprom.data <<= 1;
- if (eeprom.tick == 17) {
- eeprom.data = eeprom.contents[eeprom.address];
- logout("\taddress 0x%04x, data 0x%02x\n", eeprom.address, eeprom.data);
- eeprom.ack = 1;
- eeprom.tick = 0;
+ eeprom->address <<= 1;
+ eeprom->address += bit;
+ eeprom->tick++;
+ eeprom->data <<= 1;
+ if (eeprom->tick == 17) {
+ eeprom->data = eeprom->contents[eeprom->address];
+ logout("\taddress 0x%04x, data 0x%02x\n",
+ eeprom->address, eeprom->data);
+ eeprom->ack = 1;
+ eeprom->tick = 0;
}
- } else if (eeprom.tick >= 17) {
+ } else if (eeprom->tick >= 17) {
sda = 0;
}
} else {
logout("\tsda changed with raising scl\n");
}
} else {
- logout("%u: scl = %u->%u, sda = %u->%u\n", eeprom.tick, eeprom.scl, scl, eeprom.sda, sda);
+ logout("%u: scl = %u->%u, sda = %u->%u\n", eeprom->tick, eeprom->scl,
+ scl, eeprom->sda, sda);
}
- eeprom.scl = scl;
- eeprom.sda = sda;
+ eeprom->scl = scl;
+ eeprom->sda = sda;
}
static uint64_t malta_fpga_read(void *opaque, hwaddr addr,
/* I2CINP Register */
case 0x00b00:
- val = ((s->i2cin & ~1) | eeprom24c0x_read());
+ val = ((s->i2cin & ~1) | eeprom24c0x_read(&spd_eeprom));
break;
/* I2COE Register */
/* I2COUT Register */
case 0x00b10:
- eeprom24c0x_write(val & 0x02, val & 0x01);
+ eeprom24c0x_write(&spd_eeprom, val & 0x02, val & 0x01);
s->i2cout = val;
break;
s = (MaltaFPGAState *)g_malloc0(sizeof(MaltaFPGAState));
- memory_region_init_io(&s->iomem, &malta_fpga_ops, s,
+ memory_region_init_io(&s->iomem, NULL, &malta_fpga_ops, s,
"malta-fpga", 0x100000);
- memory_region_init_alias(&s->iomem_lo, "malta-fpga",
+ memory_region_init_alias(&s->iomem_lo, NULL, "malta-fpga",
&s->iomem, 0, 0x900);
- memory_region_init_alias(&s->iomem_hi, "malta-fpga",
+ memory_region_init_alias(&s->iomem_hi, NULL, "malta-fpga",
&s->iomem, 0xa00, 0x10000-0xa00);
memory_region_add_subregion(address_space, base, &s->iomem_lo);
}
/* Network support */
-static void network_init(void)
+static void network_init(PCIBus *pci_bus)
{
int i;
/* The malta board has a PCNet card using PCI SLOT 11 */
default_devaddr = "0b";
- pci_nic_init_nofail(nd, "pcnet", default_devaddr);
+ pci_nic_init_nofail(nd, pci_bus, "pcnet", default_devaddr);
}
}
/* Small bootloader */
p = (uint32_t *)base;
- stl_raw(p++, 0x0bf00160); /* j 0x1fc00580 */
- stl_raw(p++, 0x00000000); /* nop */
+ stl_p(p++, 0x0bf00160); /* j 0x1fc00580 */
+ stl_p(p++, 0x00000000); /* nop */
/* YAMON service vector */
- stl_raw(base + 0x500, 0xbfc00580); /* start: */
- stl_raw(base + 0x504, 0xbfc0083c); /* print_count: */
- stl_raw(base + 0x520, 0xbfc00580); /* start: */
- stl_raw(base + 0x52c, 0xbfc00800); /* flush_cache: */
- stl_raw(base + 0x534, 0xbfc00808); /* print: */
- stl_raw(base + 0x538, 0xbfc00800); /* reg_cpu_isr: */
- stl_raw(base + 0x53c, 0xbfc00800); /* unred_cpu_isr: */
- stl_raw(base + 0x540, 0xbfc00800); /* reg_ic_isr: */
- stl_raw(base + 0x544, 0xbfc00800); /* unred_ic_isr: */
- stl_raw(base + 0x548, 0xbfc00800); /* reg_esr: */
- stl_raw(base + 0x54c, 0xbfc00800); /* unreg_esr: */
- stl_raw(base + 0x550, 0xbfc00800); /* getchar: */
- stl_raw(base + 0x554, 0xbfc00800); /* syscon_read: */
+ stl_p(base + 0x500, 0xbfc00580); /* start: */
+ stl_p(base + 0x504, 0xbfc0083c); /* print_count: */
+ stl_p(base + 0x520, 0xbfc00580); /* start: */
+ stl_p(base + 0x52c, 0xbfc00800); /* flush_cache: */
+ stl_p(base + 0x534, 0xbfc00808); /* print: */
+ stl_p(base + 0x538, 0xbfc00800); /* reg_cpu_isr: */
+ stl_p(base + 0x53c, 0xbfc00800); /* unred_cpu_isr: */
+ stl_p(base + 0x540, 0xbfc00800); /* reg_ic_isr: */
+ stl_p(base + 0x544, 0xbfc00800); /* unred_ic_isr: */
+ stl_p(base + 0x548, 0xbfc00800); /* reg_esr: */
+ stl_p(base + 0x54c, 0xbfc00800); /* unreg_esr: */
+ stl_p(base + 0x550, 0xbfc00800); /* getchar: */
+ stl_p(base + 0x554, 0xbfc00800); /* syscon_read: */
/* Second part of the bootloader */
p = (uint32_t *) (base + 0x580);
- stl_raw(p++, 0x24040002); /* addiu a0, zero, 2 */
- stl_raw(p++, 0x3c1d0000 | (((ENVP_ADDR - 64) >> 16) & 0xffff)); /* lui sp, high(ENVP_ADDR) */
- stl_raw(p++, 0x37bd0000 | ((ENVP_ADDR - 64) & 0xffff)); /* ori sp, sp, low(ENVP_ADDR) */
- stl_raw(p++, 0x3c050000 | ((ENVP_ADDR >> 16) & 0xffff)); /* lui a1, high(ENVP_ADDR) */
- stl_raw(p++, 0x34a50000 | (ENVP_ADDR & 0xffff)); /* ori a1, a1, low(ENVP_ADDR) */
- stl_raw(p++, 0x3c060000 | (((ENVP_ADDR + 8) >> 16) & 0xffff)); /* lui a2, high(ENVP_ADDR + 8) */
- stl_raw(p++, 0x34c60000 | ((ENVP_ADDR + 8) & 0xffff)); /* ori a2, a2, low(ENVP_ADDR + 8) */
- stl_raw(p++, 0x3c070000 | (loaderparams.ram_size >> 16)); /* lui a3, high(ram_size) */
- stl_raw(p++, 0x34e70000 | (loaderparams.ram_size & 0xffff)); /* ori a3, a3, low(ram_size) */
+ stl_p(p++, 0x24040002); /* addiu a0, zero, 2 */
+ stl_p(p++, 0x3c1d0000 | (((ENVP_ADDR - 64) >> 16) & 0xffff)); /* lui sp, high(ENVP_ADDR) */
+ stl_p(p++, 0x37bd0000 | ((ENVP_ADDR - 64) & 0xffff)); /* ori sp, sp, low(ENVP_ADDR) */
+ stl_p(p++, 0x3c050000 | ((ENVP_ADDR >> 16) & 0xffff)); /* lui a1, high(ENVP_ADDR) */
+ stl_p(p++, 0x34a50000 | (ENVP_ADDR & 0xffff)); /* ori a1, a1, low(ENVP_ADDR) */
+ stl_p(p++, 0x3c060000 | (((ENVP_ADDR + 8) >> 16) & 0xffff)); /* lui a2, high(ENVP_ADDR + 8) */
+ stl_p(p++, 0x34c60000 | ((ENVP_ADDR + 8) & 0xffff)); /* ori a2, a2, low(ENVP_ADDR + 8) */
+ stl_p(p++, 0x3c070000 | (loaderparams.ram_size >> 16)); /* lui a3, high(ram_size) */
+ stl_p(p++, 0x34e70000 | (loaderparams.ram_size & 0xffff)); /* ori a3, a3, low(ram_size) */
/* Load BAR registers as done by YAMON */
- stl_raw(p++, 0x3c09b400); /* lui t1, 0xb400 */
+ stl_p(p++, 0x3c09b400); /* lui t1, 0xb400 */
#ifdef TARGET_WORDS_BIGENDIAN
- stl_raw(p++, 0x3c08df00); /* lui t0, 0xdf00 */
+ stl_p(p++, 0x3c08df00); /* lui t0, 0xdf00 */
#else
- stl_raw(p++, 0x340800df); /* ori t0, r0, 0x00df */
+ stl_p(p++, 0x340800df); /* ori t0, r0, 0x00df */
#endif
- stl_raw(p++, 0xad280068); /* sw t0, 0x0068(t1) */
+ stl_p(p++, 0xad280068); /* sw t0, 0x0068(t1) */
- stl_raw(p++, 0x3c09bbe0); /* lui t1, 0xbbe0 */
+ stl_p(p++, 0x3c09bbe0); /* lui t1, 0xbbe0 */
#ifdef TARGET_WORDS_BIGENDIAN
- stl_raw(p++, 0x3c08c000); /* lui t0, 0xc000 */
+ stl_p(p++, 0x3c08c000); /* lui t0, 0xc000 */
#else
- stl_raw(p++, 0x340800c0); /* ori t0, r0, 0x00c0 */
+ stl_p(p++, 0x340800c0); /* ori t0, r0, 0x00c0 */
#endif
- stl_raw(p++, 0xad280048); /* sw t0, 0x0048(t1) */
+ stl_p(p++, 0xad280048); /* sw t0, 0x0048(t1) */
#ifdef TARGET_WORDS_BIGENDIAN
- stl_raw(p++, 0x3c084000); /* lui t0, 0x4000 */
+ stl_p(p++, 0x3c084000); /* lui t0, 0x4000 */
#else
- stl_raw(p++, 0x34080040); /* ori t0, r0, 0x0040 */
+ stl_p(p++, 0x34080040); /* ori t0, r0, 0x0040 */
#endif
- stl_raw(p++, 0xad280050); /* sw t0, 0x0050(t1) */
+ stl_p(p++, 0xad280050); /* sw t0, 0x0050(t1) */
#ifdef TARGET_WORDS_BIGENDIAN
- stl_raw(p++, 0x3c088000); /* lui t0, 0x8000 */
+ stl_p(p++, 0x3c088000); /* lui t0, 0x8000 */
#else
- stl_raw(p++, 0x34080080); /* ori t0, r0, 0x0080 */
+ stl_p(p++, 0x34080080); /* ori t0, r0, 0x0080 */
#endif
- stl_raw(p++, 0xad280058); /* sw t0, 0x0058(t1) */
+ stl_p(p++, 0xad280058); /* sw t0, 0x0058(t1) */
#ifdef TARGET_WORDS_BIGENDIAN
- stl_raw(p++, 0x3c083f00); /* lui t0, 0x3f00 */
+ stl_p(p++, 0x3c083f00); /* lui t0, 0x3f00 */
#else
- stl_raw(p++, 0x3408003f); /* ori t0, r0, 0x003f */
+ stl_p(p++, 0x3408003f); /* ori t0, r0, 0x003f */
#endif
- stl_raw(p++, 0xad280060); /* sw t0, 0x0060(t1) */
+ stl_p(p++, 0xad280060); /* sw t0, 0x0060(t1) */
#ifdef TARGET_WORDS_BIGENDIAN
- stl_raw(p++, 0x3c08c100); /* lui t0, 0xc100 */
+ stl_p(p++, 0x3c08c100); /* lui t0, 0xc100 */
#else
- stl_raw(p++, 0x340800c1); /* ori t0, r0, 0x00c1 */
+ stl_p(p++, 0x340800c1); /* ori t0, r0, 0x00c1 */
#endif
- stl_raw(p++, 0xad280080); /* sw t0, 0x0080(t1) */
+ stl_p(p++, 0xad280080); /* sw t0, 0x0080(t1) */
#ifdef TARGET_WORDS_BIGENDIAN
- stl_raw(p++, 0x3c085e00); /* lui t0, 0x5e00 */
+ stl_p(p++, 0x3c085e00); /* lui t0, 0x5e00 */
#else
- stl_raw(p++, 0x3408005e); /* ori t0, r0, 0x005e */
+ stl_p(p++, 0x3408005e); /* ori t0, r0, 0x005e */
#endif
- stl_raw(p++, 0xad280088); /* sw t0, 0x0088(t1) */
+ stl_p(p++, 0xad280088); /* sw t0, 0x0088(t1) */
/* Jump to kernel code */
- stl_raw(p++, 0x3c1f0000 | ((kernel_entry >> 16) & 0xffff)); /* lui ra, high(kernel_entry) */
- stl_raw(p++, 0x37ff0000 | (kernel_entry & 0xffff)); /* ori ra, ra, low(kernel_entry) */
- stl_raw(p++, 0x03e00008); /* jr ra */
- stl_raw(p++, 0x00000000); /* nop */
+ stl_p(p++, 0x3c1f0000 | ((kernel_entry >> 16) & 0xffff)); /* lui ra, high(kernel_entry) */
+ stl_p(p++, 0x37ff0000 | (kernel_entry & 0xffff)); /* ori ra, ra, low(kernel_entry) */
+ stl_p(p++, 0x03e00008); /* jr ra */
+ stl_p(p++, 0x00000000); /* nop */
/* YAMON subroutines */
p = (uint32_t *) (base + 0x800);
- stl_raw(p++, 0x03e00008); /* jr ra */
- stl_raw(p++, 0x24020000); /* li v0,0 */
+ stl_p(p++, 0x03e00008); /* jr ra */
+ stl_p(p++, 0x24020000); /* li v0,0 */
/* 808 YAMON print */
- stl_raw(p++, 0x03e06821); /* move t5,ra */
- stl_raw(p++, 0x00805821); /* move t3,a0 */
- stl_raw(p++, 0x00a05021); /* move t2,a1 */
- stl_raw(p++, 0x91440000); /* lbu a0,0(t2) */
- stl_raw(p++, 0x254a0001); /* addiu t2,t2,1 */
- stl_raw(p++, 0x10800005); /* beqz a0,834 */
- stl_raw(p++, 0x00000000); /* nop */
- stl_raw(p++, 0x0ff0021c); /* jal 870 */
- stl_raw(p++, 0x00000000); /* nop */
- stl_raw(p++, 0x08000205); /* j 814 */
- stl_raw(p++, 0x00000000); /* nop */
- stl_raw(p++, 0x01a00008); /* jr t5 */
- stl_raw(p++, 0x01602021); /* move a0,t3 */
+ stl_p(p++, 0x03e06821); /* move t5,ra */
+ stl_p(p++, 0x00805821); /* move t3,a0 */
+ stl_p(p++, 0x00a05021); /* move t2,a1 */
+ stl_p(p++, 0x91440000); /* lbu a0,0(t2) */
+ stl_p(p++, 0x254a0001); /* addiu t2,t2,1 */
+ stl_p(p++, 0x10800005); /* beqz a0,834 */
+ stl_p(p++, 0x00000000); /* nop */
+ stl_p(p++, 0x0ff0021c); /* jal 870 */
+ stl_p(p++, 0x00000000); /* nop */
+ stl_p(p++, 0x08000205); /* j 814 */
+ stl_p(p++, 0x00000000); /* nop */
+ stl_p(p++, 0x01a00008); /* jr t5 */
+ stl_p(p++, 0x01602021); /* move a0,t3 */
/* 0x83c YAMON print_count */
- stl_raw(p++, 0x03e06821); /* move t5,ra */
- stl_raw(p++, 0x00805821); /* move t3,a0 */
- stl_raw(p++, 0x00a05021); /* move t2,a1 */
- stl_raw(p++, 0x00c06021); /* move t4,a2 */
- stl_raw(p++, 0x91440000); /* lbu a0,0(t2) */
- stl_raw(p++, 0x0ff0021c); /* jal 870 */
- stl_raw(p++, 0x00000000); /* nop */
- stl_raw(p++, 0x254a0001); /* addiu t2,t2,1 */
- stl_raw(p++, 0x258cffff); /* addiu t4,t4,-1 */
- stl_raw(p++, 0x1580fffa); /* bnez t4,84c */
- stl_raw(p++, 0x00000000); /* nop */
- stl_raw(p++, 0x01a00008); /* jr t5 */
- stl_raw(p++, 0x01602021); /* move a0,t3 */
+ stl_p(p++, 0x03e06821); /* move t5,ra */
+ stl_p(p++, 0x00805821); /* move t3,a0 */
+ stl_p(p++, 0x00a05021); /* move t2,a1 */
+ stl_p(p++, 0x00c06021); /* move t4,a2 */
+ stl_p(p++, 0x91440000); /* lbu a0,0(t2) */
+ stl_p(p++, 0x0ff0021c); /* jal 870 */
+ stl_p(p++, 0x00000000); /* nop */
+ stl_p(p++, 0x254a0001); /* addiu t2,t2,1 */
+ stl_p(p++, 0x258cffff); /* addiu t4,t4,-1 */
+ stl_p(p++, 0x1580fffa); /* bnez t4,84c */
+ stl_p(p++, 0x00000000); /* nop */
+ stl_p(p++, 0x01a00008); /* jr t5 */
+ stl_p(p++, 0x01602021); /* move a0,t3 */
/* 0x870 */
- stl_raw(p++, 0x3c08b800); /* lui t0,0xb400 */
- stl_raw(p++, 0x350803f8); /* ori t0,t0,0x3f8 */
- stl_raw(p++, 0x91090005); /* lbu t1,5(t0) */
- stl_raw(p++, 0x00000000); /* nop */
- stl_raw(p++, 0x31290040); /* andi t1,t1,0x40 */
- stl_raw(p++, 0x1120fffc); /* beqz t1,878 <outch+0x8> */
- stl_raw(p++, 0x00000000); /* nop */
- stl_raw(p++, 0x03e00008); /* jr ra */
- stl_raw(p++, 0xa1040000); /* sb a0,0(t0) */
+ stl_p(p++, 0x3c08b800); /* lui t0,0xb400 */
+ stl_p(p++, 0x350803f8); /* ori t0,t0,0x3f8 */
+ stl_p(p++, 0x91090005); /* lbu t1,5(t0) */
+ stl_p(p++, 0x00000000); /* nop */
+ stl_p(p++, 0x31290040); /* andi t1,t1,0x40 */
+ stl_p(p++, 0x1120fffc); /* beqz t1,878 <outch+0x8> */
+ stl_p(p++, 0x00000000); /* nop */
+ stl_p(p++, 0x03e00008); /* jr ra */
+ stl_p(p++, 0xa1040000); /* sb a0,0(t0) */
}
if (loaderparams.initrd_filename) {
initrd_size = get_image_size (loaderparams.initrd_filename);
if (initrd_size > 0) {
- initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK;
+ initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
if (initrd_offset + initrd_size > ram_size) {
fprintf(stderr,
"qemu: memory too small for initial ram disk '%s'\n",
}
prom_set(prom_buf, prom_index++, "memsize");
- prom_set(prom_buf, prom_index++, "%i", loaderparams.ram_size);
+ prom_set(prom_buf, prom_index++, "%i",
+ MIN(loaderparams.ram_size, 256 << 20));
prom_set(prom_buf, prom_index++, "modetty0");
prom_set(prom_buf, prom_index++, "38400n8r");
prom_set(prom_buf, prom_index++, NULL);
static void cpu_request_exit(void *opaque, int irq, int level)
{
- CPUMIPSState *env = cpu_single_env;
+ CPUState *cpu = current_cpu;
- if (env && level) {
- cpu_exit(env);
+ if (cpu && level) {
+ cpu_exit(cpu);
}
}
static
-void mips_malta_init(QEMUMachineInitArgs *args)
+void mips_malta_init(MachineState *machine)
{
- ram_addr_t ram_size = args->ram_size;
- const char *cpu_model = args->cpu_model;
- const char *kernel_filename = args->kernel_filename;
- const char *kernel_cmdline = args->kernel_cmdline;
- const char *initrd_filename = args->initrd_filename;
+ ram_addr_t ram_size = machine->ram_size;
+ const char *cpu_model = machine->cpu_model;
+ const char *kernel_filename = machine->kernel_filename;
+ const char *kernel_cmdline = machine->kernel_cmdline;
+ const char *initrd_filename = machine->initrd_filename;
char *filename;
pflash_t *fl;
MemoryRegion *system_memory = get_system_memory();
- MemoryRegion *ram = g_new(MemoryRegion, 1);
- MemoryRegion *bios, *bios_alias = g_new(MemoryRegion, 1);
+ MemoryRegion *ram_high = g_new(MemoryRegion, 1);
+ MemoryRegion *ram_low_preio = g_new(MemoryRegion, 1);
+ MemoryRegion *ram_low_postio;
+ MemoryRegion *bios, *bios_copy = g_new(MemoryRegion, 1);
target_long bios_size = FLASH_SIZE;
+ const size_t smbus_eeprom_size = 8 * 256;
+ uint8_t *smbus_eeprom_buf = g_malloc0(smbus_eeprom_size);
int64_t kernel_entry;
PCIBus *pci_bus;
ISABus *isa_bus;
qemu_irq *isa_irq;
qemu_irq *cpu_exit_irq;
int piix4_devfn;
- i2c_bus *smbus;
+ I2CBus *smbus;
int i;
DriveInfo *dinfo;
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
int fl_sectors = bios_size >> 16;
int be;
- DeviceState *dev = qdev_create(NULL, "mips-malta");
- MaltaState *s = DO_UPCAST(MaltaState, busdev.qdev, dev);
+ DeviceState *dev = qdev_create(NULL, TYPE_MIPS_MALTA);
+ MaltaState *s = MIPS_MALTA(dev);
+
+ /* The whole address space decoded by the GT-64120A doesn't generate
+ exception when accessing invalid memory. Create an empty slot to
+ emulate this feature. */
+ empty_slot_init(0, 0x20000000);
qdev_init_nofail(dev);
cpu_mips_clock_init(env);
qemu_register_reset(main_cpu_reset, cpu);
}
- env = first_cpu;
+ cpu = MIPS_CPU(first_cpu);
+ env = &cpu->env;
/* allocate RAM */
- if (ram_size > (256 << 20)) {
+ if (ram_size > (2048u << 20)) {
fprintf(stderr,
- "qemu: Too much memory for this machine: %d MB, maximum 256 MB\n",
+ "qemu: Too much memory for this machine: %d MB, maximum 2048 MB\n",
((unsigned int)ram_size / (1 << 20)));
exit(1);
}
- memory_region_init_ram(ram, "mips_malta.ram", ram_size);
- vmstate_register_ram_global(ram);
- memory_region_add_subregion(system_memory, 0, ram);
+
+ /* register RAM at high address where it is undisturbed by IO */
+ memory_region_init_ram(ram_high, NULL, "mips_malta.ram", ram_size);
+ vmstate_register_ram_global(ram_high);
+ memory_region_add_subregion(system_memory, 0x80000000, ram_high);
+
+ /* alias for pre IO hole access */
+ memory_region_init_alias(ram_low_preio, NULL, "mips_malta_low_preio.ram",
+ ram_high, 0, MIN(ram_size, (256 << 20)));
+ memory_region_add_subregion(system_memory, 0, ram_low_preio);
+
+ /* alias for post IO hole access, if there is enough RAM */
+ if (ram_size > (512 << 20)) {
+ ram_low_postio = g_new(MemoryRegion, 1);
+ memory_region_init_alias(ram_low_postio, NULL,
+ "mips_malta_low_postio.ram",
+ ram_high, 512 << 20,
+ ram_size - (512 << 20));
+ memory_region_add_subregion(system_memory, 512 << 20, ram_low_postio);
+ }
+
+ /* generate SPD EEPROM data */
+ generate_eeprom_spd(&smbus_eeprom_buf[0 * 256], ram_size);
+ generate_eeprom_serial(&smbus_eeprom_buf[6 * 256]);
#ifdef TARGET_WORDS_BIGENDIAN
be = 1;
fl_idx++;
if (kernel_filename) {
/* Write a small bootloader to the flash location. */
- loaderparams.ram_size = ram_size;
+ loaderparams.ram_size = MIN(ram_size, 256 << 20);
loaderparams.kernel_filename = kernel_filename;
loaderparams.kernel_cmdline = kernel_cmdline;
loaderparams.initrd_filename = initrd_filename;
} else {
bios_size = -1;
}
- if ((bios_size < 0 || bios_size > BIOS_SIZE) && !kernel_filename) {
- fprintf(stderr,
- "qemu: Could not load MIPS bios '%s', and no -kernel argument was specified\n",
- bios_name);
+ if ((bios_size < 0 || bios_size > BIOS_SIZE) &&
+ !kernel_filename && !qtest_enabled()) {
+ error_report("Could not load MIPS bios '%s', and no "
+ "-kernel argument was specified", bios_name);
exit(1);
}
}
a neat trick which allows bi-endian firmware. */
#ifndef TARGET_WORDS_BIGENDIAN
{
- uint32_t *addr = memory_region_get_ram_ptr(bios);
- uint32_t *end = addr + bios_size;
+ uint32_t *end, *addr = rom_ptr(FLASH_ADDRESS);
+ if (!addr) {
+ addr = memory_region_get_ram_ptr(bios);
+ }
+ end = (void *)addr + MIN(bios_size, 0x3e0000);
while (addr < end) {
bswap32s(addr);
addr++;
#endif
}
- /* Map the BIOS at a 2nd physical location, as on the real board. */
- memory_region_init_alias(bios_alias, "bios.1fc", bios, 0, BIOS_SIZE);
- memory_region_add_subregion(system_memory, RESET_ADDRESS, bios_alias);
+ /*
+ * Map the BIOS at a 2nd physical location, as on the real board.
+ * Copy it so that we can patch in the MIPS revision, which cannot be
+ * handled by an overlapping region as the resulting ROM code subpage
+ * regions are not executable.
+ */
+ memory_region_init_ram(bios_copy, NULL, "bios.1fc", BIOS_SIZE);
+ if (!rom_copy(memory_region_get_ram_ptr(bios_copy),
+ FLASH_ADDRESS, BIOS_SIZE)) {
+ memcpy(memory_region_get_ram_ptr(bios_copy),
+ memory_region_get_ram_ptr(bios), BIOS_SIZE);
+ }
+ memory_region_set_readonly(bios_copy, true);
+ memory_region_add_subregion(system_memory, RESET_ADDRESS, bios_copy);
- /* Board ID = 0x420 (Malta Board with CoreLV)
- XXX: theoretically 0x1e000010 should map to flash and 0x1fc00010 should
- map to the board ID. */
- stl_p(memory_region_get_ram_ptr(bios) + 0x10, 0x00000420);
+ /* Board ID = 0x420 (Malta Board with CoreLV) */
+ stl_p(memory_region_get_ram_ptr(bios_copy) + 0x10, 0x00000420);
/* Init internal devices */
cpu_mips_irq_init_cpu(env);
pci_create_simple(pci_bus, piix4_devfn + 2, "piix4-usb-uhci");
smbus = piix4_pm_init(pci_bus, piix4_devfn + 3, 0x1100,
isa_get_irq(NULL, 9), NULL, 0, NULL);
- /* TODO: Populate SPD eeprom data. */
- smbus_eeprom_init(smbus, 8, NULL, 0);
+ smbus_eeprom_init(smbus, 8, smbus_eeprom_buf, smbus_eeprom_size);
+ g_free(smbus_eeprom_buf);
pit = pit_init(isa_bus, 0x40, 0, NULL);
cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
DMA_init(0, cpu_exit_irq);
}
fdctrl_init_isa(isa_bus, fd);
- /* Sound card */
- audio_init(isa_bus, pci_bus);
-
/* Network card */
- network_init();
+ network_init(pci_bus);
/* Optional PCI video card */
pci_vga_init(pci_bus);
}
static const TypeInfo mips_malta_device = {
- .name = "mips-malta",
+ .name = TYPE_MIPS_MALTA,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(MaltaState),
.class_init = mips_malta_class_init,
.init = mips_malta_init,
.max_cpus = 16,
.is_default = 1,
- DEFAULT_MACHINE_OPTIONS,
};
static void mips_malta_register_types(void)
projects / mirror_qemu.git / blobdiff