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This commit is contained in:
marcan 2008-12-28 20:28:33 +01:00
parent 3d8464995c
commit a79b928631
1 changed files with 92 additions and 2 deletions
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94
main.c
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@ -18,7 +18,7 @@ typedef struct {
u32 argument; u32 argument;
} ioshdr; } ioshdr;
int dogecko; int dogecko = 1;
void boot2_loadelf(u8 *elf) { void boot2_loadelf(u8 *elf) {
if(dogecko) if(dogecko)
@ -129,6 +129,29 @@ void regs_setup(void)
//write32(HW_ALARM,0); //write32(HW_ALARM,0);
} }
void load_boot2(void *base)
{
ioshdr *hdr = (ioshdr*)base;
ioshdr *parhdr = (ioshdr*)hdr->argument;
u8 *elf;
gecko_puts("Loading BOOT2 for leet hax\n");
gecko_printf("Parent BOOT2 header (@%p):\n",parhdr);
gecko_printf(" Header size: %08x\n", parhdr->hdrsize);
gecko_printf(" Loader size: %08x\n", parhdr->loadersize);
gecko_printf(" ELF size: %08x\n", parhdr->elfsize);
gecko_printf(" Argument: %08x\n", parhdr->argument);
elf = (u8*) parhdr;
elf += parhdr->hdrsize + parhdr->loadersize;
gecko_printf("ELF at %p\n",elf);
boot2_loadelf(elf);
}
void (*boot2_setup_memory)(void) = (void*)0xFFFF1EAD;
void *_main(void *base) void *_main(void *base)
{ {
FRESULT fres; FRESULT fres;
@ -148,6 +171,43 @@ void *_main(void *base)
debug_output(0xF9); debug_output(0xF9);
gecko_puts("MiniIOS v0.1 loading\n"); gecko_puts("MiniIOS v0.1 loading\n");
load_boot2(base);
write32(0xFFFF1F60,0);
gecko_puts("Setting up hardware\n");
boot2_setup_memory();
gecko_puts("Done hardware setup\n");
write32(0xFFFF1F60,0xF002FB74);
gecko_printf("GPIO1OUT %08x\n",read32(HW_GPIO1OUT));
gecko_printf("GPIO1DIR %08x\n",read32(HW_GPIO1DIR));
gecko_printf("GPIO1IN %08x\n",read32(HW_GPIO1IN));
gecko_printf("GPIO1OWN %08x\n",read32(HW_GPIO1OWNER));
/*
// Starlet side of GPIO1
// Output state
#define HW_GPIO1OUT (HW_REG_BASE + 0x0e0)
// Direction (1=output)
#define HW_GPIO1DIR (HW_REG_BASE + 0x0e4)
// Input state
#define HW_GPIO1IN (HW_REG_BASE + 0x0e8)
// Interrupt level
#define HW_GPIO1INTLVL (HW_REG_BASE + 0x0ec)
// Interrupt flags (write 1 to clear)
#define HW_GPIO1INTFLAG (HW_REG_BASE + 0x0f0)
// Interrupt propagation enable (interrupts go to main interrupt 0x800)
#define HW_GPIO1INTENABLE (HW_REG_BASE + 0x0f4)
//??? seems to be a mirror of inputs at some point... power-up state?
#define HW_GPIO1INMIR (HW_REG_BASE + 0x0f8)
// Owner of each GPIO bit. If 1, GPIO1B registers assume control. If 0, GPIO1 registers assume control.
#define HW_GPIO1OWNER (HW_REG_BASE + 0x0fc)
*/
fres = f_mount(0, &fatfs); fres = f_mount(0, &fatfs);
@ -158,11 +218,41 @@ void *_main(void *base)
gecko_puts("Trying to boot:" PPC_BOOT_FILE "\n"); gecko_puts("Trying to boot:" PPC_BOOT_FILE "\n");
write32(HW_IPC_PPCMSG, 0);
write32(HW_IPC_ARMMSG, 0);
write32(HW_IPC_PPCCTRL, IPC_CTRL_SENT|IPC_CTRL_RECV);
write32(HW_IPC_ARMCTRL, IPC_CTRL_SENT|IPC_CTRL_RECV);
res = powerpc_load_file(PPC_BOOT_FILE); res = powerpc_load_file(PPC_BOOT_FILE);
if(res < 0) { if(res < 0) {
gecko_printf("Failed to boot PPC: %d\n", res); gecko_printf("Failed to boot PPC: %d\n", res);
gecko_puts("Continuing anyway\n"); gecko_puts("Continuing anyway\n");
} }
while(1); while(1) {
u32 tidh, tidl;
if(read32(HW_IPC_ARMCTRL) & IPC_CTRL_RECV) {
gecko_puts("STARLET ping1\n");
tidh = read32(HW_IPC_PPCMSG);
gecko_printf("TIDH = %08x\n",tidh);
//load_boot2(base);
write32(0x135c0d20, tidh);
gecko_puts("TIDH written\n");
write32(HW_IPC_ARMCTRL, read32(HW_IPC_ARMCTRL) | IPC_CTRL_RECV);
gecko_puts("STARLET ping1 end\n");
}
if(read32(HW_IPC_ARMCTRL) & IPC_CTRL_SENT) {
gecko_puts("STARLET ping2\n");
tidl = read32(HW_IPC_PPCMSG);
gecko_printf("TIDL = %08x\n",tidl);
//load_boot2(base);
write32(0x135c0d24, tidl);
gecko_puts("TIDL written\n");
write32(HW_IPC_ARMCTRL, read32(HW_IPC_ARMCTRL) | IPC_CTRL_SENT);
gecko_puts("STARLET ping2 end\n");
break;
}
}
return (void *) 0xFFFF0000;
} }