mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ETRAX-FS board: Add more flash and internal memory. Select interrupt nr for the

Browse Source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4302 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
edgar_igl 2008-05-02 22:38:53 +00:00
parent 602372237d
commit b01cde7bdf
1 changed files with 37 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
hw/etraxfs.c
View File

@ -38,7 +38,11 @@ static void main_cpu_reset(void *opaque)
extern qemu_irq *etraxfs_pic_init(CPUState *env, target_phys_addr_t base);
void etraxfs_timer_init(CPUState *env, qemu_irq *irqs,
target_phys_addr_t base);
void etraxfs_ser_init(CPUState *env, qemu_irq *irqs, target_phys_addr_t base);
void etraxfs_ser_init(CPUState *env, qemu_irq *irq, CharDriverState *chr,
target_phys_addr_t base);
#define FLASH_SIZE 0x2000000
#define INTMEM_SIZE (128 * 1024)
static
void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
@ -49,10 +53,9 @@ void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
CPUState *env;
qemu_irq *pic;
int kernel_size;
int flash_size = 0x800000;
int index;
ram_addr_t phys_flash;
ram_addr_t phys_ram;
ram_addr_t phys_intmem;
/* init CPUs */
if (cpu_model == NULL) {
@ -68,36 +71,49 @@ void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
/* Unached mapping. */
cpu_register_physical_memory(0xc0000000, ram_size, phys_ram | IO_MEM_RAM);
phys_flash = qemu_ram_alloc(flash_size);
cpu_register_physical_memory(0,flash_size, IO_MEM_ROM);
cpu_register_physical_memory(0x80000000, flash_size, IO_MEM_ROM);
cpu_register_physical_memory(0x04000000, flash_size, IO_MEM_ROM);
cpu_register_physical_memory(0x84000000, flash_size,
/* The ETRAX-FS has 128Kb on chip ram, the docs refer to it as the
internal memory. Cached and uncached mappings. */
phys_intmem = qemu_ram_alloc(INTMEM_SIZE);
cpu_register_physical_memory(0xb8000000, INTMEM_SIZE,
phys_intmem | IO_MEM_RAM);
cpu_register_physical_memory(0x38000000, INTMEM_SIZE,
phys_intmem | IO_MEM_RAM);
cpu_register_physical_memory(0, FLASH_SIZE, IO_MEM_ROM);
cpu_register_physical_memory(0x80000000, FLASH_SIZE, IO_MEM_ROM);
cpu_register_physical_memory(0x04000000, FLASH_SIZE, IO_MEM_ROM);
cpu_register_physical_memory(0x84000000, FLASH_SIZE,
0x04000000 | IO_MEM_ROM);
index = drive_get_index(IF_PFLASH, 0, 0);
pflash_cfi01_register(0x80000000, flash_size,
drives_table[index].bdrv, 65536, flash_size >> 16,
4, 0x0000, 0x0000, 0x0000, 0x0000);
index = drive_get_index(IF_PFLASH, 0, 1);
pflash_cfi01_register(0x84000000, flash_size,
drives_table[index].bdrv, 65536, flash_size >> 16,
pflash_cfi01_register(0x80000000, FLASH_SIZE,
drives_table[index].bdrv, 65536, FLASH_SIZE >> 16,
4, 0x0000, 0x0000, 0x0000, 0x0000);
pic = etraxfs_pic_init(env, 0xb001c000);
/* 2 timers. */
etraxfs_timer_init(env, pic, 0xb001e000);
etraxfs_timer_init(env, pic, 0xb005e000);
etraxfs_timer_init(env, pic + 26, 0xb001e000);
etraxfs_timer_init(env, pic + 26, 0xb005e000);
/* 4 serial ports. */
etraxfs_ser_init(env, pic, 0xb0026000);
etraxfs_ser_init(env, pic, 0xb0028000);
etraxfs_ser_init(env, pic, 0xb002a000);
etraxfs_ser_init(env, pic, 0xb002c000);
etraxfs_ser_init(env, pic + 19, serial_hds[0], 0xb0026000);
if (serial_hds[1])
etraxfs_ser_init(env, pic + 20, serial_hds[1], 0xb0028000);
if (serial_hds[2])
etraxfs_ser_init(env, pic + 21, serial_hds[2], 0xb002a000);
if (serial_hds[3])
etraxfs_ser_init(env, pic + 22, serial_hds[3], 0xb002c000);
#if 1
/* Boots a kernel elf binary, os/linux-2.6/vmlinux from the axis devboard
SDK. */
kernel_size = load_elf(kernel_filename, 0, &env->pc, NULL, NULL);
#else
/* Takes a kimage from the axis devboard SDK. */
kernel_size = load_image(kernel_filename, phys_ram_base + 0x4000);
env->pc = 0x40004000;
#endif
/* magic for boot. */
env->regs[8] = 0x56902387;
env->regs[9] = 0x40004000 + kernel_size;
env->pc = 0x40004000;
{
unsigned char *ptr = phys_ram_base + 0x4000;