LowLevel/Luma3DS-3GX
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Remove useless sdmmc code (we do not need NAND init/read from loader, or write at all

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This commit is contained in:
Aurora 2016-04-18 18:29:37 +02:00
parent 08808da741
commit fd4352a1d6
4 changed files with 14 additions and 147 deletions
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119
loader/source/fatfs/sdmmc/sdmmc.c
View File

@ -5,8 +5,7 @@
#include "sdmmc.h"
#include "delay.h"
struct mmcdevice handleNAND;
struct mmcdevice handleSD;
static struct mmcdevice handleSD;
static inline u16 sdmmc_read16(u16 reg) {
return *(vu16*)(SDMMC_BASE + reg);
@ -38,13 +37,6 @@ static inline void setckl(u32 data)
sdmmc_mask16(REG_SDCLKCTL, 0x0, 0x100);
}
mmcdevice *getMMCDevice(int drive)
{
if(drive==0) return &handleNAND;
return &handleSD;
}
static u32 __attribute__((noinline)) geterror(struct mmcdevice *ctx)
{
return (ctx->error << 29) >> 31;
@ -150,20 +142,6 @@ static void __attribute__((noinline)) sdmmc_send_command(struct mmcdevice *ctx,
}
}
u32 __attribute__((noinline)) sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, vu8 *in)
{
if (handleSD.isSDHC == 0)
sector_no <<= 9;
inittarget(&handleSD);
sdmmc_write16(REG_SDSTOP,0x100);
sdmmc_write16(REG_SDBLKCOUNT,numsectors);
handleSD.data = in;
handleSD.size = numsectors << 9;
sdmmc_send_command(&handleSD,0x52C19,sector_no);
return geterror(&handleSD);
}
u32 __attribute__((noinline)) sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, vu8 *out)
{
if (handleSD.isSDHC == 0)
@ -178,38 +156,6 @@ u32 __attribute__((noinline)) sdmmc_sdcard_readsectors(u32 sector_no, u32 numsec
return geterror(&handleSD);
}
u32 __attribute__((noinline)) sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, vu8 *out)
{
if (handleNAND.isSDHC == 0)
sector_no <<= 9;
inittarget(&handleNAND);
sdmmc_write16(REG_SDSTOP,0x100);
sdmmc_write16(REG_SDBLKCOUNT,numsectors);
handleNAND.data = out;
handleNAND.size = numsectors << 9;
sdmmc_send_command(&handleNAND,0x33C12,sector_no);
inittarget(&handleSD);
return geterror(&handleNAND);
}
u32 __attribute__((noinline)) sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, vu8 *in) //experimental
{
if (handleNAND.isSDHC == 0)
sector_no <<= 9;
inittarget(&handleNAND);
sdmmc_write16(REG_SDSTOP,0x100);
sdmmc_write16(REG_SDBLKCOUNT,numsectors);
handleNAND.data = in;
handleNAND.size = numsectors << 9;
sdmmc_send_command(&handleNAND,0x52C19,sector_no);
inittarget(&handleSD);
return geterror(&handleNAND);
}
static u32 calcSDSize(u8* csd, int type)
{
u32 result = 0;
@ -241,14 +187,6 @@ static u32 calcSDSize(u8* csd, int type)
static void InitSD()
{
//NAND
handleNAND.isSDHC = 0;
handleNAND.SDOPT = 0;
handleNAND.res = 0;
handleNAND.initarg = 1;
handleNAND.clk = 0x80;
handleNAND.devicenumber = 1;
//SD
handleSD.isSDHC = 0;
handleSD.SDOPT = 0;
@ -281,56 +219,6 @@ static void InitSD()
inittarget(&handleSD);
}
static int Nand_Init()
{
inittarget(&handleNAND);
ioDelay(0xF000);
sdmmc_send_command(&handleNAND,0,0);
do {
do {
sdmmc_send_command(&handleNAND,0x10701,0x100000);
} while ( !(handleNAND.error & 1) );
} while((handleNAND.ret[0] & 0x80000000) == 0);
sdmmc_send_command(&handleNAND,0x10602,0x0);
if (handleNAND.error & 0x4) return -1;
sdmmc_send_command(&handleNAND,0x10403,handleNAND.initarg << 0x10);
if (handleNAND.error & 0x4) return -1;
sdmmc_send_command(&handleNAND,0x10609,handleNAND.initarg << 0x10);
if (handleNAND.error & 0x4) return -1;
handleNAND.total_size = calcSDSize((u8*)&handleNAND.ret[0],0);
handleNAND.clk = 1;
setckl(1);
sdmmc_send_command(&handleNAND,0x10407,handleNAND.initarg << 0x10);
if (handleNAND.error & 0x4) return -1;
handleNAND.SDOPT = 1;
sdmmc_send_command(&handleNAND,0x10506,0x3B70100);
if (handleNAND.error & 0x4) return -1;
sdmmc_send_command(&handleNAND,0x10506,0x3B90100);
if (handleNAND.error & 0x4) return -1;
sdmmc_send_command(&handleNAND,0x1040D,handleNAND.initarg << 0x10);
if (handleNAND.error & 0x4) return -1;
sdmmc_send_command(&handleNAND,0x10410,0x200);
if (handleNAND.error & 0x4) return -1;
handleNAND.clk |= 0x200;
inittarget(&handleSD);
return 0;
}
static int SD_Init()
{
inittarget(&handleSD);
@ -395,9 +283,8 @@ static int SD_Init()
return 0;
}
int sdmmc_sdcard_init()
void sdmmc_sdcard_init()
{
InitSD();
int result = Nand_Init();
return result | SD_Init();
SD_Init();
}

7
loader/source/fatfs/sdmmc/sdmmc.h
View File

@ -118,10 +118,5 @@ typedef struct mmcdevice {
u32 res;
} mmcdevice;
int sdmmc_sdcard_init();
void sdmmc_sdcard_init();
u32 sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, vu8 *out);
u32 sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, vu8 *in);
mmcdevice *getMMCDevice(int drive);
u32 sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, vu8 *out);
u32 sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, vu8 *in);

22
source/fatfs/sdmmc/sdmmc.c
View File

@ -194,22 +194,6 @@ u32 __attribute__((noinline)) sdmmc_nand_readsectors(u32 sector_no, u32 numsecto
return geterror(&handleNAND);
}
u32 __attribute__((noinline)) sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, vu8 *in) //experimental
{
if (handleNAND.isSDHC == 0)
sector_no <<= 9;
inittarget(&handleNAND);
sdmmc_write16(REG_SDSTOP,0x100);
sdmmc_write16(REG_SDBLKCOUNT,numsectors);
handleNAND.data = in;
handleNAND.size = numsectors << 9;
sdmmc_send_command(&handleNAND,0x52C19,sector_no);
inittarget(&handleSD);
return geterror(&handleNAND);
}
static u32 calcSDSize(u8* csd, int type)
{
u32 result = 0;
@ -395,11 +379,11 @@ static int SD_Init()
return 0;
}
int sdmmc_sdcard_init()
void sdmmc_sdcard_init()
{
InitSD();
int result = Nand_Init();
return result | SD_Init();
Nand_Init();
SD_Init();
}
int sdmmc_get_cid(int isNand, uint32_t *info)

9
source/fatfs/sdmmc/sdmmc.h
View File

@ -118,11 +118,12 @@ typedef struct mmcdevice {
u32 res;
} mmcdevice;
int sdmmc_sdcard_init();
mmcdevice *getMMCDevice(int drive);
void sdmmc_sdcard_init();
u32 sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, vu8 *out);
u32 sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, vu8 *in);
mmcdevice *getMMCDevice(int drive);
int sdmmc_get_cid( int isNand, uint32_t *info);
u32 sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, vu8 *out);
u32 sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, vu8 *in);
int sdmmc_get_cid( int isNand, uint32_t *info);