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#include "hal.h"
#if (HAL_USE_SDMMC == TRUE)
#include "sama_sdmmc_lld.h"
#include "ch_sdmmc_device.h"
#include "ch_sdmmc_sdio.h"
#include "ch_sdmmc_cmds.h"
#include "ch_sdmmc_sd.h"
#ifndef SDMMC_TRIM_SDIO
uint8_t SdioInit(SdmmcDriver *driver)
{
uint32_t freq;
uint8_t error;
driver->card.bSpeedMode = SDMMC_TIM_SD_DS;
HwSetHsMode(driver, driver->card.bSpeedMode);
/* Thereafter, the host issues CMD3 (SEND_RELATIVE_ADDR) asks the
* card to publish a new relative card address (RCA), which is shorter than
* CID and which is used to address the card in the future data transfer
* mode. Once the RCA is received the card state changes to the Stand-by
* State. At this point, if the host wants to assign another RCA number, it
* can ask the card to publish a new number by sending another CMD3 command
* to the card. The last published RCA is the actual RCA number of the
* card. */
error = Cmd3(driver);
if (error)
return error;
TRACE_1("RCA=%u\n\r", driver->card.wAddress);
/* Now select the card, to TRAN state */
error = SdMmcSelect(driver,driver->card.wAddress, 0);
if (error)
return error;
/* Enable more bus width Mode */
error = SdDecideBuswidth(driver);
if (error) {
TRACE_1("Bus width %s\n\r", SD_StringifyRetCode(error));
return SDMMC_ERR;
}
/* Consider High-Speed timing mode */
error = SdEnableHighSpeed(driver);
if (error)
return error;
/* Increase device clock frequency */
freq = SdioGetMaxFreq(driver);
error = HwSetClock(driver, &freq);
driver->card.dwCurrSpeed = freq;
if (error != SDMMC_OK && error != SDMMC_CHANGED) {
TRACE_1("clk %s\n\r", SD_StringifyRetCode(error));
return error;
}
return SDMMC_OK;
}
/**
* Read one or more bytes from SDIO card, using RW_DIRECT command.
* \param pSd Pointer to SdCard instance.
* \param functionNum Function number.
* \param address First register address to read from.
* \param pData Pointer to data buffer.
* \param size Buffer size, number of bytes to read.
* \return 0 if successful; otherwise returns an \ref sdmmc_rc "error code".
*/
uint8_t SDIO_ReadDirect(SdmmcDriver *sdmmcp,
uint8_t functionNum,
uint32_t address, uint8_t * pData, uint32_t size)
{
uint8_t error;
uint32_t status;
sSdCard *pSd = &sdmmcp->card;
if (pSd->bCardType & CARD_TYPE_bmSDIO) {
if (size == 0)
return SDMMC_PARAM;
while (size--) {
status = 0;
error =
Cmd52(sdmmcp, 0, functionNum, 0, address++, &status);
if (pData)
*pData++ = (uint8_t) status;
if (error || status & STATUS_SDIO_R5) {
//trace_error("IOrdRegs %luB@%lu %s st %lx\n\r",
// size, address, SD_StringifyRetCode(error),
// status);
return SDMMC_ERR;
}
}
} else {
return SDMMC_NOT_SUPPORTED;
}
return 0;
}
/**
* Find SDIO ManfID, Fun0 tuple.
* \param pSd Pointer to \ref sSdCard instance.
* \param address Search area start address.
* \param size Search area size.
* \param pAddrManfID Pointer to ManfID address value buffer.
* \param pAddrFunc0 Pointer to Func0 address value buffer.
*/
uint8_t SdioFindTuples(SdmmcDriver *sdmmcp,
uint32_t address, uint32_t size,
uint32_t * pAddrManfID, uint32_t * pAddrFunc0)
{
uint8_t error, tmp[3];
uint32_t addr = address;
uint8_t flagFound = 0; /* 1:Manf, 2:Func0 */
uint32_t addManfID = 0, addFunc0 = 0;
for (; flagFound != 3;) {
error = SDIO_ReadDirect(sdmmcp, SDIO_CIA, addr, tmp, 3);
if (error)
return error;
/* End */
if (tmp[0] == CISTPL_END)
break;
/* ManfID */
else if (tmp[0] == CISTPL_MANFID) {
flagFound |= 1;
addManfID = addr;
}
/* Func0 */
else if (tmp[0] == CISTPL_FUNCE && tmp[2] == 0x00) {
flagFound |= 2;
addFunc0 = addr;
}
/* Tuple error ? */
if (tmp[1] == 0)
break;
/* Next address */
addr += (tmp[1] + 2);
if (addr > (address + size))
break;
}
if (pAddrManfID)
*pAddrManfID = addManfID;
if (pAddrFunc0)
*pAddrFunc0 = addFunc0;
return 0;
}
uint32_t SdioGetMaxFreq(SdmmcDriver *sdmmcp)
{
uint8_t error;
uint32_t addr = 0, rate;
uint8_t buf[6];
/* Check Func0 tuple in CIS area */
error = SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_CIS_PTR_REG,(uint8_t *)&addr, 3);
if (error)
return 0;
error = SdioFindTuples(sdmmcp, addr, 256, NULL, &addr);
if (error || !addr)
return 0;
/* Fun0 tuple: fn0_blk_siz & max_tran_speed */
error = SDIO_ReadDirect(sdmmcp, SDIO_CIA, addr, buf, 6);
if (error)
return 0;
rate = SdmmcDecodeTransSpeed(buf[5], sdmmcTransUnits,
sdTransMultipliers);
if (sdmmcp->card.bSpeedMode == SDMMC_TIM_SD_SDR104 && rate == 200000ul)
rate = 208000ul;
else if (sdmmcp->card.bSpeedMode == SDMMC_TIM_SD_DDR50)
rate /= 2ul;
else if (sdmmcp->card.bSpeedMode == SDMMC_TIM_SD_HS && rate == 25000ul)
rate *= 2ul;
return rate * 1000ul;
}
/**
* Display SDIO card informations (CIS, tuple ...)
* \param pSd Pointer to \ref sSdCard instance.
*/
void SDIO_DumpCardInformation(SdmmcDriver *sdmmcp)
{
uint32_t tmp = 0, addrCIS = 0, addrManfID = 0, addrFuncE = 0;
uint8_t *p = (uint8_t *) & tmp;
uint8_t buf[16];
/* CCCR */
_PrintTitle("CCCR");
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_CCCR_REG, p, 1);
_PrintField("SDIO 0x%02lX", (tmp & SDIO_SDIO) >> 4);
_PrintField("CCCR 0x%02lX", (tmp & SDIO_CCCR) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_SD_REV_REG, p, 1);
_PrintField("SD 0x%02lX", (tmp & SDIO_SD) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_IOE_REG, p, 1);
_PrintField("IOE 0x%02lX", (tmp & SDIO_IOE) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_IOR_REG, p, 1);
_PrintField("IOR 0x%02lX", (tmp & SDIO_IOR) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_IEN_REG, p, 1);
_PrintField("IEN 0x%02lX", (tmp & SDIO_IEN) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_INT_REG, p, 1);
_PrintField("INT %lu", (tmp & SDIO_INT) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_BUS_CTRL_REG, p, 1);
_PrintField("CD 0x%lX", (tmp & SDIO_CD) >> 7);
_PrintField("SCSI 0x%lX", (tmp & SDIO_SCSI) >> 6);
_PrintField("ECSI 0x%lX", (tmp & SDIO_ECSI) >> 5);
_PrintField("BUS_WIDTH 0x%lX", (tmp & SDIO_BUSWIDTH) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_CAP_REG, p, 1);
_PrintField("4BLS 0x%lX", (tmp & SDIO_4BLS) >> 7);
_PrintField("LSC 0x%lX", (tmp & SDIO_LSC) >> 6);
_PrintField("E4MI 0x%lX", (tmp & SDIO_E4MI) >> 5);
_PrintField("S4MI 0x%lX", (tmp & SDIO_S4MI) >> 4);
_PrintField("SBS 0x%lX", (tmp & SDIO_SBS) >> 3);
_PrintField("SRW 0x%lX", (tmp & SDIO_SRW) >> 2);
_PrintField("SMB 0x%lX", (tmp & SDIO_SMB) >> 1);
_PrintField("SDC 0x%lX", (tmp & SDIO_SDC) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_CIS_PTR_REG, p, 3);
_PrintField("CIS_PTR 0x%06lX", tmp);
addrCIS = tmp;
tmp = 0;
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_BUS_SUSP_REG, p, 1);
_PrintField("BR 0x%lX", (tmp & SDIO_BR) >> 1);
_PrintField("BS 0x%lX", (tmp & SDIO_BS) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_FUN_SEL_REG, p, 1);
_PrintField("DF 0x%lX", (tmp & SDIO_DF) >> 7);
_PrintField("FS 0x%lX", (tmp & SDIO_FS) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_EXEC_REG, p, 1);
_PrintField("EX 0x%lX", (tmp & SDIO_EX) >> 0);
_PrintField("EXM 0x%lX", (tmp & SDIO_EXM) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_READY_REG, p, 1);
_PrintField("RF 0x%lX", (tmp & SDIO_RF) >> 1);
_PrintField("RFM 0x%lX", (tmp & SDIO_RFM) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_FN0_BLKSIZ_REG, p, 2);
_PrintField("FN0_SIZE %lu", tmp);
tmp = 0;
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_POWER_REG, p, 1);
_PrintField("EMPC 0x%lX", (tmp & SDIO_EMPC) >> 1);
_PrintField("SMPC 0x%lX", (tmp & SDIO_SMPC) >> 0);
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_HS_REG, p, 1);
_PrintField("EHS 0x%lX", (tmp & SDIO_EHS) >> 1);
_PrintField("SHS 0x%lX", (tmp & SDIO_SHS) >> 0);
/* Metaformat */
SdioFindTuples(sdmmcp, addrCIS, 128, &addrManfID, &addrFuncE);
if (addrManfID != 0) {
SDIO_ReadDirect(sdmmcp, SDIO_CIA, addrManfID, buf, 6);
_PrintTitle("CISTPL_MANFID");
_PrintField("MANF 0x%04X", (uint16_t)buf[3] << 8 | buf[2]);
_PrintField("CARD 0x%04X", (uint16_t)buf[5] << 8 | buf[4]);
}
if (addrFuncE != 0) {
SDIO_ReadDirect(sdmmcp, SDIO_CIA, addrFuncE, buf, 6);
_PrintTitle("CISTPL_FUNCE Fun0");
_PrintField("BL_SIZE %u", (uint16_t)buf[4] << 8 | buf[3]);
_PrintField("MAX_TRAN_SPD 0x%02X", buf[5]);
}
/* I/O function 1 */
SDIO_ReadDirect(sdmmcp, SDIO_CIA, SDIO_FBR_ADDR(1, SDIO_FBR_CIS_PTR),
p, 3);
addrFuncE = 0;
/* TODO Augment SdioFindTuples so it finds CISTPL_FUNCE for Function 1
* with Extended Data 01h */
SdioFindTuples(sdmmcp, tmp, 256, NULL, &addrFuncE);
if (addrFuncE != 0) {
SDIO_ReadDirect(sdmmcp, SDIO_CIA, addrFuncE, buf, 16);
_PrintTitle("CISTPL_FUNCE Fun1");
_PrintField("MAX_BLK_SIZE %u", (uint16_t)buf[0xf] << 8
| buf[0xe]);
}
}
#endif
#endif
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