void rt_hw_sd_mmc_init()
{
if (sd_mmc_spi_internal_init())
{
rt_uint8_t *sector = rt_malloc(MMC_SECTOR_SIZE);
sd_mmc_spi_read_open(0);
if (sd_mmc_spi_read_sector_to_ram(sector))
{
if (dfs_filesystem_get_partition(&sd_mmc_partition, sector, 0) != RT_EOK)
{
sd_mmc_partition.offset = 0;
sd_mmc_partition.size = 0;
}
}
else
{
sd_mmc_partition.offset = 0;
sd_mmc_partition.size = 0;
}
sd_mmc_spi_read_close();
rt_free(sector);
rt_device_register(&sd_mmc_device, "sd0", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE);
}
else
{
rt_kprintf("Failed to initialize SD/MMC card.\n");
}
}
void rt_hw_spiflash_init()
{
unsigned char buf[4];
rt_uint8_t *sector;
rt_uint8_t status;
sf_read_jedec_id(buf, sizeof(buf));
if (0xbf==buf[0] && 0x25==buf[1] && 0x41==buf[2]) {
rt_kprintf("spi flash is sst25vf016b\n");
} else if (0xef==buf[0] && 0x30==buf[1] && 0x13==buf[2]) {
rt_kprintf("spi flash is w25x40bv\n");
} else {
rt_kprintf("not support this spi flash. ID:0x%x,0x%x,0x%x\n", buf[0], buf[1], buf[2]);
}
/* register spi-flash device */
spiflash_device.type = RT_Device_Class_Block;
spiflash_device.init = rt_spiflash_init;
spiflash_device.open = rt_spiflash_open;
spiflash_device.close = rt_spiflash_close;
spiflash_device.read = rt_spiflash_read;
spiflash_device.write = rt_spiflash_write;
spiflash_device.control = rt_spiflash_control;
spiflash_device.user_data = RT_NULL; /* no private */
/* get the first sector to read partition table */
sector = (rt_uint8_t*) rt_malloc (512);
if (sector == RT_NULL) {
rt_kprintf("allocate partition sector buffer failed\n");
return;
}
sf_read_data(0, sector, 512, 0);
/* get the first partition */
status = dfs_filesystem_get_partition(&part, sector, 0);
if (status != RT_EOK) {
/* there is no partition table */
part.offset = 0;
part.size = 0;
}
rt_free(sector);
rt_device_register(&spiflash_device, "sf0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE);
return;
}
void rt_hw_sdcard_init()
{
rt_uint8_t i, status;
rt_uint8_t *sector;
char dname[4];
char sname[8];
/* Enable PCLK into SDI Block */
CLKCON |= 1 << 9;
/* Setup GPIO as SD and SDCMD, SDDAT[3:0] Pull up En */
GPEUP = GPEUP & (~(0x3f << 5)) | (0x01 << 5);
GPECON = GPECON & (~(0xfff << 10)) | (0xaaa << 10);
RCA = 0;
if (sd_init() == RT_EOK)
{
/* get the first sector to read partition table */
sector = (rt_uint8_t*) rt_malloc (512);
if (sector == RT_NULL)
{
rt_kprintf("allocate partition sector buffer failed\n");
return;
}
status = sd_readblock(0, sector);
if (status == RT_EOK)
{
for(i=0; i<4; i++)
{
/* get the first partition */
status = dfs_filesystem_get_partition(&part[i], sector, i);
if (status == RT_EOK)
{
rt_snprintf(dname, 4, "sd%d", i);
rt_snprintf(sname, 8, "sem_sd%d", i);
part[i].lock = rt_sem_create(sname, 1, RT_IPC_FLAG_FIFO);
/* register sdcard device */
sdcard_device[i].type = RT_Device_Class_Block;
sdcard_device[i].init = rt_sdcard_init;
sdcard_device[i].open = rt_sdcard_open;
sdcard_device[i].close = rt_sdcard_close;
sdcard_device[i].read = rt_sdcard_read;
sdcard_device[i].write = rt_sdcard_write;
sdcard_device[i].control = rt_sdcard_control;
sdcard_device[i].user_data = &part[i];
rt_device_register(&sdcard_device[i], dname,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE);
}
else
{
if(i == 0)
{
/* there is no partition table */
part[0].offset = 0;
part[0].size = 0;
part[0].lock = rt_sem_create("sem_sd0", 1, RT_IPC_FLAG_FIFO);
/* register sdcard device */
sdcard_device[0].type = RT_Device_Class_Block;
sdcard_device[0].init = rt_sdcard_init;
sdcard_device[0].open = rt_sdcard_open;
sdcard_device[0].close = rt_sdcard_close;
sdcard_device[0].read = rt_sdcard_read;
sdcard_device[0].write = rt_sdcard_write;
sdcard_device[0].control = rt_sdcard_control;
sdcard_device[0].user_data = &part[0];
rt_device_register(&sdcard_device[0], "sd0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE);
break;
}
}
}
}
else
{
rt_kprintf("read sdcard first sector failed\n");
}
/* release sector buffer */
rt_free(sector);
return;
}
else
{
rt_kprintf("sdcard init failed\n");
}
}
