gnmmarechal/SafeA9LHInstaller
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Don't initialize the SD card after a reboot on an OTPless install

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This commit is contained in:
Aurora 2016-10-06 17:12:44 +02:00
parent ae7fc28c74
commit 5f96d42a9c
7 changed files with 27 additions and 23 deletions
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8
loader/arm11/source/main.c
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@ -2,14 +2,14 @@
void main(void) void main(void)
{ {
vu32 *arm11 = (vu32 *)0x1FFFFFF8; vu32 *arm11Entry = (vu32 *)0x1FFFFFF8;
//Clear ARM11 entrypoint //Clear ARM11 entrypoint
*arm11 = 0; *arm11Entry = 0;
//Wait for the entrypoint to be set //Wait for the entrypoint to be set
while(!*arm11); while(!*arm11Entry);
//Jump to it //Jump to it
((void (*)())*arm11)(); ((void (*)())*arm11Entry)();
} }

6
loader/source/start.s
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@ -24,14 +24,14 @@
.align 4 .align 4
.global _start .global _start
_start: _start:
@ Change the stack pointer
mov sp, #0x27000000
@ Disable interrupts @ Disable interrupts
mrs r0, cpsr mrs r0, cpsr
orr r0, #0x1C0 orr r0, #0x1C0
msr cpsr_cx, r0 msr cpsr_cx, r0
@ Change the stack pointer
mov sp, #0x27000000
@ Disable caches / MPU @ Disable caches / MPU
mrc p15, 0, r0, c1, c0, 0 @ read control register mrc p15, 0, r0, c1, c0, 0 @ read control register
bic r0, #(1<<12) @ - instruction cache disable bic r0, #(1<<12) @ - instruction cache disable

8
source/fatfs/sdmmc/sdmmc.c
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@ -63,11 +63,13 @@ static inline void setckl(u32 data)
sdmmc_mask16(REG_SDCLKCTL, 0x0, 0x100); sdmmc_mask16(REG_SDCLKCTL, 0x0, 0x100);
} }
/*
mmcdevice *getMMCDevice(int drive) mmcdevice *getMMCDevice(int drive)
{ {
if(drive == 0) return &handleNAND; if(drive == 0) return &handleNAND;
return &handleSD; return &handleSD;
} }
*/
static int geterror(struct mmcdevice *ctx) static int geterror(struct mmcdevice *ctx)
{ {
@ -470,8 +472,10 @@ void sdmmc_get_cid(bool isNand, u32 *info)
sdmmc_send_command(device, 0x10507, device->initarg << 0x10); sdmmc_send_command(device, 0x10507, device->initarg << 0x10);
} }
bool sdmmc_sdcard_init() bool sdmmc_sdcard_init(bool isOtpless)
{ {
InitSD(); InitSD();
return (Nand_Init() | SD_Init()) == 0; int nand_ret = Nand_Init();
if(isOtpless) return true;
return (nand_ret | SD_Init()) == 0;
} }

4
source/fatfs/sdmmc/sdmmc.h
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@ -91,10 +91,10 @@ typedef struct mmcdevice {
u32 res; u32 res;
} mmcdevice; } mmcdevice;
bool sdmmc_sdcard_init(); bool sdmmc_sdcard_init(bool isOtpless);
int sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, u8 *out); int sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, u8 *out);
int sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, const u8 *in); int sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, const u8 *in);
int sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, u8 *out); int sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, u8 *out);
int sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, const u8 *in); int sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, const u8 *in);
void sdmmc_get_cid(bool isNand, u32 *info); void sdmmc_get_cid(bool isNand, u32 *info);
mmcdevice *getMMCDevice(int drive); //mmcdevice *getMMCDevice(int drive);

2
source/installer.c
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@ -53,7 +53,7 @@ void main(void)
drawString(TITLE, 10, 10, COLOR_TITLE); drawString(TITLE, 10, 10, COLOR_TITLE);
posY = drawString("Thanks to delebile, #cakey and StandardBus", 10, 40, COLOR_WHITE); posY = drawString("Thanks to delebile, #cakey and StandardBus", 10, 40, COLOR_WHITE);
if(!sdmmc_sdcard_init() && !isOtpless) if(!sdmmc_sdcard_init(isOtpless))
shutdown(1, "Error: failed to initialize SD and NAND"); shutdown(1, "Error: failed to initialize SD and NAND");
u32 pressed; u32 pressed;

2
source/screen.c
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@ -38,7 +38,7 @@
#include "cache.h" #include "cache.h"
#include "i2c.h" #include "i2c.h"
vu32 *const arm11Entry = (vu32 *)BRAHMA_ARM11_ENTRY; vu32 *arm11Entry = (vu32 *)BRAHMA_ARM11_ENTRY;
static void invokeArm11Function(void (*func)()) static void invokeArm11Function(void (*func)())
{ {