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

loader/arm11/source/main.c

@@ -2,14 +2,14 @@
 
 void main(void)
 {
-    vu32 *arm11 = (vu32 *)0x1FFFFFF8;
+    vu32 *arm11Entry = (vu32 *)0x1FFFFFF8;
 
     //Clear ARM11 entrypoint
-    *arm11 = 0;
+    *arm11Entry = 0;
 
     //Wait for the entrypoint to be set
-    while(!*arm11);
+    while(!*arm11Entry);
 
     //Jump to it
-    ((void (*)())*arm11)();
+    ((void (*)())*arm11Entry)();
 }

loader/source/start.s

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

source/crypto.c

@@ -60,7 +60,7 @@ __asm__\
 
 static void aes_setkey(u8 keyslot, const void *key, u32 keyType, u32 mode)
 {
-    if(keyslot <= 0x03) return; // Ignore TWL keys for now
+    if(keyslot <= 0x03) return; //Ignore TWL keys for now
     u32 *key32 = (u32 *)key;
     *REG_AESCNT = (*REG_AESCNT & ~(AES_CNT_INPUT_ENDIAN | AES_CNT_INPUT_ORDER)) | mode;
     *REG_AESKEYCNT = (*REG_AESKEYCNT >> 6 << 6) | keyslot | AES_KEYCNT_WRITE;
@@ -85,7 +85,7 @@ static void aes_setiv(const void *iv, u32 mode)
     const u32 *iv32 = (const u32 *)iv;
     *REG_AESCNT = (*REG_AESCNT & ~(AES_CNT_INPUT_ENDIAN | AES_CNT_INPUT_ORDER)) | mode;
 
-    // Word order for IV can't be changed in REG_AESCNT and always default to reversed
+    //Word order for IV can't be changed in REG_AESCNT and always default to reversed
     if(mode & AES_INPUT_NORMAL)
     {
         REG_AESCTR[0] = iv32[3];
@@ -109,7 +109,7 @@ static void aes_advctr(void *ctr, u32 val, u32 mode)
     int i;
     if(mode & AES_INPUT_BE)
     {
-        for(i = 0; i < 4; ++i) // Endian swap
+        for(i = 0; i < 4; ++i) //Endian swap
             BSWAP32(ctr32[i]);
     }
 
@@ -124,7 +124,7 @@ static void aes_advctr(void *ctr, u32 val, u32 mode)
 
     if(mode & AES_INPUT_BE)
     {
-        for(i = 0; i < 4; ++i) // Endian swap
+        for(i = 0; i < 4; ++i) //Endian swap
             BSWAP32(ctr32[i]);
     }
 }
@@ -164,7 +164,7 @@ static void aes_batch(void *dst, const void *src, u32 blockCount)
 
     while(rbc)
     {
-        if(wbc && ((*REG_AESCNT & 0x1F) <= 0xC)) // There's space for at least 4 ints
+        if(wbc && ((*REG_AESCNT & 0x1F) <= 0xC)) //There's space for at least 4 ints
         {
             *REG_AESWRFIFO = *src32++;
             *REG_AESWRFIFO = *src32++;
@@ -173,7 +173,7 @@ static void aes_batch(void *dst, const void *src, u32 blockCount)
             wbc--;
         }
 
-        if(rbc && ((*REG_AESCNT & (0x1F << 0x5)) >= (0x4 << 0x5))) // At least 4 ints available for read
+        if(rbc && ((*REG_AESCNT & (0x1F << 0x5)) >= (0x4 << 0x5))) //At least 4 ints available for read
         {
             *dst32++ = *REG_AESRDFIFO;
             *dst32++ = *REG_AESRDFIFO;
@@ -200,24 +200,24 @@ static void aes(void *dst, const void *src, u32 blockCount, void *iv, u32 mode,
 
         blocks = (blockCount >= 0xFFFF) ? 0xFFFF : blockCount;
 
-        // Save the last block for the next decryption CBC batch's iv
+        //Save the last block for the next decryption CBC batch's iv
         if((mode & AES_ALL_MODES) == AES_CBC_DECRYPT_MODE)
         {
             memcpy(iv, src + (blocks - 1) * AES_BLOCK_SIZE, AES_BLOCK_SIZE);
             aes_change_ctrmode(iv, AES_INPUT_BE | AES_INPUT_NORMAL, ivMode);
         }
 
-        // Process the current batch
+        //Process the current batch
         aes_batch(dst, src, blocks);
 
-        // Save the last block for the next encryption CBC batch's iv
+        //Save the last block for the next encryption CBC batch's iv
         if((mode & AES_ALL_MODES) == AES_CBC_ENCRYPT_MODE)
         {
             memcpy(iv, dst + (blocks - 1) * AES_BLOCK_SIZE, AES_BLOCK_SIZE);
             aes_change_ctrmode(iv, AES_INPUT_BE | AES_INPUT_NORMAL, ivMode);
         }
 
-        // Advance counter for CTR mode
+        //Advance counter for CTR mode
         else if((mode & AES_ALL_MODES) == AES_CTR_MODE)
             aes_advctr(iv, blocks, ivMode);
 

source/fatfs/sdmmc/sdmmc.c

@@ -63,11 +63,13 @@ static inline void setckl(u32 data)
     sdmmc_mask16(REG_SDCLKCTL, 0x0, 0x100);
 }
 
+/*
 mmcdevice *getMMCDevice(int drive)
 {
     if(drive == 0) return &handleNAND;
     return &handleSD;
 }
+*/
 
 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);
 }
 
-bool sdmmc_sdcard_init()
+bool sdmmc_sdcard_init(bool isOtpless)
 {
     InitSD();
-    return (Nand_Init() | SD_Init()) == 0;
+    int nand_ret = Nand_Init();
+    if(isOtpless) return true;
+    return (nand_ret | SD_Init()) == 0;
 }

source/fatfs/sdmmc/sdmmc.h

@@ -91,10 +91,10 @@ typedef struct mmcdevice {
     u32 res;
 } 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_writesectors(u32 sector_no, u32 numsectors, const u8 *in);
 int sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, u8 *out);
 int sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, const u8 *in);
 void sdmmc_get_cid(bool isNand, u32 *info);
-mmcdevice *getMMCDevice(int drive);
+//mmcdevice *getMMCDevice(int drive);

source/installer.c

@@ -53,7 +53,7 @@ void main(void)
     drawString(TITLE, 10, 10, COLOR_TITLE);
     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");
 
     u32 pressed;

source/screen.c

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