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Malta flash support.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3887 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2008-01-04 19:11:32 +00:00
parent b67bfe8d9f
commit c8b153d794
3 changed files with 74 additions and 45 deletions
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81
hw/mips_malta.c
View file

@ -28,6 +28,8 @@
#include "net.h"
#include "boards.h"
#include "smbus.h"
#include "block.h"
#include "flash.h"
#include "mips.h"
#include "pci.h"
#include "qemu-char.h"
@ -35,6 +37,8 @@
#include "audio/audio.h"
#include "boards.h"
//#define DEBUG_BOARD_INIT
#ifdef TARGET_WORDS_BIGENDIAN
#define BIOS_FILENAME "mips_bios.bin"
#else
@ -766,13 +770,13 @@ void mips_malta_init (int ram_size, int vga_ram_size,
{
char buf[1024];
unsigned long bios_offset;
target_long bios_size;
int64_t kernel_entry;
PCIBus *pci_bus;
CPUState *env;
RTCState *rtc_state;
fdctrl_t *floppy_controller;
MaltaFPGAState *malta_fpga;
int ret;
qemu_irq *i8259;
int piix4_devfn;
uint8_t *eeprom_buf;
@ -781,6 +785,8 @@ void mips_malta_init (int ram_size, int vga_ram_size,
int index;
BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
BlockDriverState *fd[MAX_FD];
int fl_idx = 0;
int fl_sectors = 0;
/* init CPUs */
if (cpu_model == NULL) {
@ -801,7 +807,7 @@ void mips_malta_init (int ram_size, int vga_ram_size,
/* allocate RAM */
cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
/* Map the bios at two physical locations, as on the real board */
/* Map the bios at two physical locations, as on the real board. */
bios_offset = ram_size + vga_ram_size;
cpu_register_physical_memory(0x1e000000LL,
BIOS_SIZE, bios_offset | IO_MEM_ROM);
@ -811,35 +817,9 @@ void mips_malta_init (int ram_size, int vga_ram_size,
/* FPGA */
malta_fpga = malta_fpga_init(0x1f000000LL, env);
/* Load a BIOS image unless a kernel image has been specified. */
if (!kernel_filename) {
if (bios_name == NULL)
bios_name = BIOS_FILENAME;
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
ret = load_image(buf, phys_ram_base + bios_offset);
if (ret < 0 || ret > BIOS_SIZE) {
fprintf(stderr,
"qemu: Could not load MIPS bios '%s', and no -kernel argument was specified\n",
buf);
exit(1);
}
/* In little endian mode the 32bit words in the bios are swapped,
a neat trick which allows bi-endian firmware. */
#ifndef TARGET_WORDS_BIGENDIAN
{
uint32_t *addr;
for (addr = (uint32_t *)(phys_ram_base + bios_offset);
addr < (uint32_t *)(phys_ram_base + bios_offset + ret);
addr++) {
*addr = bswap32(*addr);
}
}
#endif
}
/* If a kernel image has been specified, write a small bootloader
to the flash location. */
/* Load firmware in flash / BIOS unless we boot directly into a kernel. */
if (kernel_filename) {
/* Write a small bootloader to the flash location. */
loaderparams.ram_size = ram_size;
loaderparams.kernel_filename = kernel_filename;
loaderparams.kernel_cmdline = kernel_cmdline;
@ -847,6 +827,47 @@ void mips_malta_init (int ram_size, int vga_ram_size,
kernel_entry = load_kernel(env);
env->CP0_Status &= ~((1 << CP0St_BEV) | (1 << CP0St_ERL));
write_bootloader(env, bios_offset, kernel_entry);
} else {
index = drive_get_index(IF_PFLASH, 0, fl_idx);
if (index != -1) {
/* Load firmware from flash. */
bios_size = 0x400000;
fl_sectors = bios_size >> 16;
#ifdef DEBUG_BOARD_INIT
printf("Register parallel flash %d size " TARGET_FMT_lx " at "
"offset %08lx addr %08llx '%s' %x\n",
fl_idx, bios_size, bios_offset, 0x1e000000LL,
bdrv_get_device_name(drives_table[index].bdrv), fl_sectors);
#endif
pflash_cfi01_register(0x1e000000LL, bios_offset,
drives_table[index].bdrv, 65536, fl_sectors,
4, 0x0000, 0x0000, 0x0000, 0x0000);
fl_idx++;
} else {
/* Load a BIOS image. */
if (bios_name == NULL)
bios_name = BIOS_FILENAME;
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
bios_size = load_image(buf, phys_ram_base + bios_offset);
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",
buf);
exit(1);
}
}
/* In little endian mode the 32bit words in the bios are swapped,
a neat trick which allows bi-endian firmware. */
#ifndef TARGET_WORDS_BIGENDIAN
{
uint32_t *addr;
for (addr = (uint32_t *)(phys_ram_base + bios_offset);
addr < (uint32_t *)(phys_ram_base + bios_offset + bios_size);
addr++) {
*addr = bswap32(*addr);
}
}
#endif
}
/* Board ID = 0x420 (Malta Board with CoreLV)