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fusee: SDMMC driver re-design:

Browse Source 
- Based on hekate's, linux's and u-boot's source code;
- Full support for SD and MMC;
- Fixes multiple issues;
- Deployed first in fusee-primary.

fusee: Code cleanup and style fixes.
This commit is contained in:
hexkyz
2018-07-04 21:55:27 +01:00
parent 83c9747e5f
commit ddbbb0b758
30 changed files with 5077 additions and 4709 deletions
Download Patch File Download Diff File Expand all files Collapse all files

117
fusee/fusee-primary/src/lib/fatfs/diskio.c
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@@ -9,70 +9,18 @@
#include <stdbool.h>
#include <string.h>
#include "diskio.h" /* FatFs lower layer API */
#include "../../sdmmc.h"
#include "../../hwinit.h"
static bool g_ahb_redirect_enabled = false;
/* Global sd struct. */
struct mmc g_sd_mmc = {0};
static bool g_sd_initialized = false;
int initialize_sd_mmc(void) {
if (!g_ahb_redirect_enabled) {
mc_enable_ahb_redirect();
g_ahb_redirect_enabled = true;
}
if (!g_sd_initialized) {
int rc = sdmmc_init(&g_sd_mmc, SWITCH_MICROSD, false);
if (rc == 0) {
g_sd_initialized = true;
return 0;
} else {
return rc;
}
} else {
return 0;
}
}
/*
Uncomment if needed:
static struct mmc nand_mmc = {0};
static bool g_nand_initialized = false;
int initialize_nand_mmc(void) {
if (!g_ahb_redirect_enabled) {
mc_enable_ahb_redirect();
g_ahb_redirect_enabled = true;
}
if (!g_nand_initialized) {
int rc = sdmmc_init(&g_sd_mmc, SWITCH_EMMC);
if (rc == 0) {
g_nand_initialized = true;
return 0;
} else {
return rc;
}
} else {
return 0;
}
}
*/
#include "diskio.h" /* FatFs lower layer API */
#include "../../fs_utils.h"
/*-----------------------------------------------------------------------*/
/* Get Drive Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE pdrv /* Physical drive nmuber to identify the drive */
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
return 0;
return 0;
}
@@ -82,15 +30,10 @@ DSTATUS disk_status (
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE pdrv /* Physical drive nmuber to identify the drive */
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
switch (pdrv) {
case 0:
return initialize_sd_mmc() == 0 ? 0 : STA_NOINIT;
default:
return STA_NODISK;
}
return 0;
}
@@ -100,18 +43,18 @@ DSTATUS disk_initialize (
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
)
{
switch (pdrv) {
case 0:
return sdmmc_read(&g_sd_mmc, buff, sector, count) == 0 ? RES_OK : RES_ERROR;
default:
return RES_PARERR;
}
switch (pdrv) {
case 0:
return sdmmc_device_read(&g_sd_device, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
default:
return RES_PARERR;
}
}
@@ -121,18 +64,18 @@ DRESULT disk_read (
/*-----------------------------------------------------------------------*/
DRESULT disk_write (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Start sector in LBA */
UINT count /* Number of sectors to write */
BYTE pdrv, /* Physical drive nmuber to identify the drive */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Start sector in LBA */
UINT count /* Number of sectors to write */
)
{
switch (pdrv) {
case 0:
return sdmmc_write(&g_sd_mmc, buff, sector, count) == 0 ? RES_OK : RES_ERROR;
default:
return RES_PARERR;
}
switch (pdrv) {
case 0:
return sdmmc_device_write(&g_sd_device, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
default:
return RES_PARERR;
}
}
@@ -142,11 +85,11 @@ DRESULT disk_write (
/*-----------------------------------------------------------------------*/
DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
return 0;
return RES_OK;
}