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sdmmc v2: Refactor function names and vars

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CTCaer 2020-04-29 21:16:44 +03:00
parent 5b0a0070c7
commit 7f26981fa1
6 changed files with 212 additions and 194 deletions
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16
bootloader/storage/sdmmc.c
View file

@ -421,7 +421,7 @@ static int _mmc_storage_enable_HS200(sdmmc_storage_t *storage)
if (!sdmmc_setup_clock(storage->sdmmc, SDHCI_TIMING_MMC_HS200)) if (!sdmmc_setup_clock(storage->sdmmc, SDHCI_TIMING_MMC_HS200))
return 0; return 0;
if (!sdmmc_config_tuning(storage->sdmmc, SDHCI_TIMING_MMC_HS200, MMC_SEND_TUNING_BLOCK_HS200)) if (!sdmmc_tuning_execute(storage->sdmmc, SDHCI_TIMING_MMC_HS200, MMC_SEND_TUNING_BLOCK_HS200))
return 0; return 0;
DPRINTF("[MMC] switched to HS200\n"); DPRINTF("[MMC] switched to HS200\n");
@ -435,7 +435,7 @@ static int _mmc_storage_enable_HS400(sdmmc_storage_t *storage)
if (!_mmc_storage_enable_HS200(storage)) if (!_mmc_storage_enable_HS200(storage))
return 0; return 0;
sdmmc_get_venclkctl(storage->sdmmc); sdmmc_set_tap_value(storage->sdmmc);
if (!_mmc_storage_enable_HS(storage, 0)) if (!_mmc_storage_enable_HS(storage, 0))
return 0; return 0;
@ -457,7 +457,7 @@ DPRINTF("[MMC] switched to HS400\n");
static int _mmc_storage_enable_highspeed(sdmmc_storage_t *storage, u32 card_type, u32 type) static int _mmc_storage_enable_highspeed(sdmmc_storage_t *storage, u32 card_type, u32 type)
{ {
if (sdmmc_get_voltage(storage->sdmmc) != SDMMC_POWER_1_8) if (sdmmc_get_io_power(storage->sdmmc) != SDMMC_POWER_1_8)
goto out; goto out;
if (sdmmc_get_bus_width(storage->sdmmc) == SDMMC_BUS_WIDTH_8 && if (sdmmc_get_bus_width(storage->sdmmc) == SDMMC_BUS_WIDTH_8 &&
@ -570,7 +570,7 @@ DPRINTF("[MMC] BKOPS disabled\n");
return 0; return 0;
DPRINTF("[MMC] succesfully switched to HS mode\n"); DPRINTF("[MMC] succesfully switched to HS mode\n");
sdmmc_sd_clock_ctrl(storage->sdmmc, SDMMC_AUTO_CAL_ENABLE); sdmmc_card_clock_ctrl(storage->sdmmc, SDMMC_AUTO_CAL_ENABLE);
return 1; return 1;
} }
@ -929,7 +929,7 @@ DPRINTF("[SD] card accepted UHS\n");
if (!sdmmc_setup_clock(storage->sdmmc, type)) if (!sdmmc_setup_clock(storage->sdmmc, type))
return 0; return 0;
DPRINTF("[SD] setup clock\n"); DPRINTF("[SD] setup clock\n");
if (!sdmmc_config_tuning(storage->sdmmc, type, MMC_SEND_TUNING_BLOCK)) if (!sdmmc_tuning_execute(storage->sdmmc, type, MMC_SEND_TUNING_BLOCK))
return 0; return 0;
DPRINTF("[SD] config tuning\n"); DPRINTF("[SD] config tuning\n");
return _sdmmc_storage_check_status(storage); return _sdmmc_storage_check_status(storage);
@ -1196,7 +1196,7 @@ DPRINTF("[SD] enabled HS\n");
storage->csd.busspeed = 25; storage->csd.busspeed = 25;
} }
sdmmc_sd_clock_ctrl(sdmmc, SDMMC_AUTO_CAL_ENABLE); sdmmc_card_clock_ctrl(sdmmc, SDMMC_AUTO_CAL_ENABLE);
// Parse additional card info from sd status. // Parse additional card info from sd status.
if (_sd_storage_get_ssr(storage, buf)) if (_sd_storage_get_ssr(storage, buf))
@ -1249,11 +1249,11 @@ DPRINTF("[gc] after init\n");
usleep(1000 + (10000 + sdmmc->divisor - 1) / sdmmc->divisor); usleep(1000 + (10000 + sdmmc->divisor - 1) / sdmmc->divisor);
if (!sdmmc_config_tuning(storage->sdmmc, SDHCI_TIMING_MMC_DDR52, MMC_SEND_TUNING_BLOCK_HS200)) if (!sdmmc_tuning_execute(storage->sdmmc, SDHCI_TIMING_MMC_DDR52, MMC_SEND_TUNING_BLOCK_HS200))
return 0; return 0;
DPRINTF("[gc] after tuning\n"); DPRINTF("[gc] after tuning\n");
sdmmc_sd_clock_ctrl(sdmmc, SDMMC_AUTO_CAL_ENABLE); sdmmc_card_clock_ctrl(sdmmc, SDMMC_AUTO_CAL_ENABLE);
return 1; return 1;
} }

156
bootloader/storage/sdmmc_driver.c
View file

@ -40,7 +40,7 @@ static const u32 _sdmmc_bases[4] = {
0x700B0600, 0x700B0600,
}; };
int sdmmc_get_voltage(sdmmc_t *sdmmc) int sdmmc_get_io_power(sdmmc_t *sdmmc)
{ {
u32 p = sdmmc->regs->pwrcon; u32 p = sdmmc->regs->pwrcon;
if (!(p & SDHCI_POWER_ON)) if (!(p & SDHCI_POWER_ON))
@ -52,7 +52,7 @@ int sdmmc_get_voltage(sdmmc_t *sdmmc)
return -1; return -1;
} }
static int _sdmmc_set_voltage(sdmmc_t *sdmmc, u32 power) static int _sdmmc_set_io_power(sdmmc_t *sdmmc, u32 power)
{ {
u8 pwr = 0; u8 pwr = 0;
@ -105,20 +105,21 @@ void sdmmc_set_bus_width(sdmmc_t *sdmmc, u32 bus_width)
sdmmc->regs->hostctl |= SDHCI_CTRL_8BITBUS; sdmmc->regs->hostctl |= SDHCI_CTRL_8BITBUS;
} }
void sdmmc_get_venclkctl(sdmmc_t *sdmmc) void sdmmc_set_tap_value(sdmmc_t *sdmmc)
{ {
sdmmc->venclkctl_tap = sdmmc->regs->venclkctl >> 16; sdmmc->venclkctl_tap = sdmmc->regs->venclkctl >> 16;
sdmmc->venclkctl_set = 1; sdmmc->venclkctl_set = 1;
} }
static int _sdmmc_config_ven_ceata_clk(sdmmc_t *sdmmc, u32 id) static int _sdmmc_config_tap_val(sdmmc_t *sdmmc, u32 type)
{ {
u32 tap_val = 0; u32 tap_val = 0;
if (id == SDHCI_TIMING_MMC_HS400) if (type == SDHCI_TIMING_MMC_HS400)
sdmmc->regs->venceatactl = (sdmmc->regs->venceatactl & 0xFFFFC0FF) | 0x2800; sdmmc->regs->venceatactl = (sdmmc->regs->venceatactl & 0xFFFFC0FF) | 0x2800;
sdmmc->regs->ventunctl0 &= ~TEGRA_MMC_VNDR_TUN_CTRL0_TAP_VAL_UPDATED_BY_HW; sdmmc->regs->ventunctl0 &= ~TEGRA_MMC_VNDR_TUN_CTRL0_TAP_VAL_UPDATED_BY_HW;
if (id == SDHCI_TIMING_MMC_HS400)
if (type == SDHCI_TIMING_MMC_HS400)
{ {
if (!sdmmc->venclkctl_set) if (!sdmmc->venclkctl_set)
return 0; return 0;
@ -200,9 +201,9 @@ static void _sdmmc_autocal_execute(sdmmc_t *sdmmc, u32 power)
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
} }
static int _sdmmc_wait_type4(sdmmc_t *sdmmc) static int _sdmmc_dll_cal_execute(sdmmc_t *sdmmc)
{ {
int res = 1, should_disable_sd_clock = 0; int result = 1, should_disable_sd_clock = 0;
if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN)) if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN))
{ {
@ -218,7 +219,7 @@ static int _sdmmc_wait_type4(sdmmc_t *sdmmc)
{ {
if (get_tmr_ms() > timeout) if (get_tmr_ms() > timeout)
{ {
res = 0; result = 0;
goto out; goto out;
} }
} }
@ -228,7 +229,7 @@ static int _sdmmc_wait_type4(sdmmc_t *sdmmc)
{ {
if (get_tmr_ms() > timeout) if (get_tmr_ms() > timeout)
{ {
res = 0; result = 0;
goto out; goto out;
} }
} }
@ -236,7 +237,7 @@ static int _sdmmc_wait_type4(sdmmc_t *sdmmc)
out:; out:;
if (should_disable_sd_clock) if (should_disable_sd_clock)
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
return res; return result;
} }
static void _sdmmc_reset(sdmmc_t *sdmmc) static void _sdmmc_reset(sdmmc_t *sdmmc)
@ -258,7 +259,8 @@ int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type)
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
} }
_sdmmc_config_ven_ceata_clk(sdmmc, type); _sdmmc_config_tap_val(sdmmc, type);
switch (type) switch (type)
{ {
@ -300,11 +302,11 @@ int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type)
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
u32 tmp; u32 clock;
u16 divisor; u16 divisor;
clock_sdmmc_get_card_clock_div(&tmp, &divisor, type); clock_sdmmc_get_card_clock_div(&clock, &divisor, type);
clock_sdmmc_config_clock_source(&tmp, sdmmc->id, tmp); clock_sdmmc_config_clock_source(&clock, sdmmc->id, clock);
sdmmc->divisor = (tmp + divisor - 1) / divisor; sdmmc->divisor = (clock + divisor - 1) / divisor;
//if divisor != 1 && divisor << 31 -> error //if divisor != 1 && divisor << 31 -> error
@ -321,37 +323,38 @@ int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type)
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
if (type == SDHCI_TIMING_MMC_HS400) if (type == SDHCI_TIMING_MMC_HS400)
return _sdmmc_wait_type4(sdmmc); return _sdmmc_dll_cal_execute(sdmmc);
return 1; return 1;
} }
static void _sdmmc_sd_clock_enable(sdmmc_t *sdmmc) static void _sdmmc_card_clock_enable(sdmmc_t *sdmmc)
{ {
if (!sdmmc->no_sd) if (!sdmmc->auto_cal_enabled)
{ {
if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN)) if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN))
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
} }
sdmmc->sd_clock_enabled = 1; sdmmc->card_clock_enabled = 1;
} }
static void _sdmmc_sd_clock_disable(sdmmc_t *sdmmc) static void _sdmmc_sd_clock_disable(sdmmc_t *sdmmc)
{ {
sdmmc->sd_clock_enabled = 0; sdmmc->card_clock_enabled = 0;
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
} }
void sdmmc_sd_clock_ctrl(sdmmc_t *sdmmc, int no_sd) void sdmmc_card_clock_ctrl(sdmmc_t *sdmmc, int auto_cal_enable)
{ {
sdmmc->no_sd = no_sd; sdmmc->auto_cal_enabled = auto_cal_enable;
if (no_sd) if (auto_cal_enable)
{ {
if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN)) if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN))
return; return;
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
return; return;
} }
if (sdmmc->sd_clock_enabled)
if (sdmmc->card_clock_enabled)
if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN)) if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN))
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
} }
@ -435,7 +438,7 @@ int sdmmc_get_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type)
return 1; return 1;
} }
static int _sdmmc_wait_prnsts_type0(sdmmc_t *sdmmc, u32 wait_dat) static int _sdmmc_wait_cmd_data_inhibit(sdmmc_t *sdmmc, bool wait_dat)
{ {
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
@ -461,7 +464,7 @@ static int _sdmmc_wait_prnsts_type0(sdmmc_t *sdmmc, u32 wait_dat)
return 1; return 1;
} }
static int _sdmmc_wait_prnsts_type1(sdmmc_t *sdmmc) static int _sdmmc_wait_card_busy(sdmmc_t *sdmmc)
{ {
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
@ -495,10 +498,10 @@ static int _sdmmc_setup_read_small_block(sdmmc_t *sdmmc)
return 1; return 1;
} }
static int _sdmmc_parse_cmdbuf(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, bool is_data_present) static int _sdmmc_send_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, bool is_data_present)
{ {
u16 cmdflags = 0; u16 cmdflags = 0;
switch (cmd->rsp_type) switch (cmd->rsp_type)
{ {
case SDMMC_RSP_TYPE_0: case SDMMC_RSP_TYPE_0:
@ -530,21 +533,21 @@ static int _sdmmc_parse_cmdbuf(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, bool is_data_pr
return 1; return 1;
} }
static void _sdmmc_parse_cmd_48(sdmmc_t *sdmmc, u32 cmd) static void _sdmmc_send_tuning_cmd(sdmmc_t *sdmmc, u32 cmd)
{ {
sdmmc_cmd_t cmdbuf; sdmmc_cmd_t cmdbuf;
cmdbuf.cmd = cmd; cmdbuf.cmd = cmd;
cmdbuf.arg = 0; cmdbuf.arg = 0;
cmdbuf.rsp_type = SDMMC_RSP_TYPE_1; cmdbuf.rsp_type = SDMMC_RSP_TYPE_1;
cmdbuf.check_busy = 0; cmdbuf.check_busy = 0;
_sdmmc_parse_cmdbuf(sdmmc, &cmdbuf, true); _sdmmc_send_cmd(sdmmc, &cmdbuf, true);
} }
static int _sdmmc_config_tuning_once(sdmmc_t *sdmmc, u32 cmd) static int _sdmmc_tuning_execute_once(sdmmc_t *sdmmc, u32 cmd)
{ {
if (sdmmc->no_sd) if (sdmmc->auto_cal_enabled)
return 0; return 0;
if (!_sdmmc_wait_prnsts_type0(sdmmc, 1)) if (!_sdmmc_wait_cmd_data_inhibit(sdmmc, true))
return 0; return 0;
_sdmmc_setup_read_small_block(sdmmc); _sdmmc_setup_read_small_block(sdmmc);
@ -553,7 +556,7 @@ static int _sdmmc_config_tuning_once(sdmmc_t *sdmmc, u32 cmd)
sdmmc->regs->norintsts = sdmmc->regs->norintsts; sdmmc->regs->norintsts = sdmmc->regs->norintsts;
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
_sdmmc_parse_cmd_48(sdmmc, cmd); _sdmmc_send_tuning_cmd(sdmmc, cmd);
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
usleep(1); usleep(1);
@ -584,7 +587,7 @@ static int _sdmmc_config_tuning_once(sdmmc_t *sdmmc, u32 cmd)
return 0; return 0;
} }
int sdmmc_config_tuning(sdmmc_t *sdmmc, u32 type, u32 cmd) int sdmmc_tuning_execute(sdmmc_t *sdmmc, u32 type, u32 cmd)
{ {
u32 max = 0, flag = 0; u32 max = 0, flag = 0;
@ -618,7 +621,7 @@ int sdmmc_config_tuning(sdmmc_t *sdmmc, u32 type, u32 cmd)
for (u32 i = 0; i < max; i++) for (u32 i = 0; i < max; i++)
{ {
_sdmmc_config_tuning_once(sdmmc, cmd); _sdmmc_tuning_execute_once(sdmmc, cmd);
if (!(sdmmc->regs->hostctl2 & SDHCI_CTRL_EXEC_TUNING)) if (!(sdmmc->regs->hostctl2 & SDHCI_CTRL_EXEC_TUNING))
break; break;
} }
@ -729,17 +732,17 @@ DPRINTF("norintsts %08X; errintsts %08X\n", norintsts, errintsts);
return SDMMC_MASKINT_NOERROR; return SDMMC_MASKINT_NOERROR;
} }
static int _sdmmc_wait_request(sdmmc_t *sdmmc) static int _sdmmc_wait_response(sdmmc_t *sdmmc)
{ {
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
u32 timeout = get_tmr_ms() + 2000; u32 timeout = get_tmr_ms() + 2000;
while (1) while (true)
{ {
int res = _sdmmc_check_mask_interrupt(sdmmc, NULL, SDHCI_INT_RESPONSE); int result = _sdmmc_check_mask_interrupt(sdmmc, NULL, SDHCI_INT_RESPONSE);
if (res == SDMMC_MASKINT_MASKED) if (result == SDMMC_MASKINT_MASKED)
break; break;
if (res != SDMMC_MASKINT_NOERROR || get_tmr_ms() > timeout) if (result != SDMMC_MASKINT_NOERROR || get_tmr_ms() > timeout)
{ {
_sdmmc_reset(sdmmc); _sdmmc_reset(sdmmc);
return 0; return 0;
@ -753,7 +756,7 @@ static int _sdmmc_stop_transmission_inner(sdmmc_t *sdmmc, u32 *rsp)
{ {
sdmmc_cmd_t cmd; sdmmc_cmd_t cmd;
if (!_sdmmc_wait_prnsts_type0(sdmmc, 0)) if (!_sdmmc_wait_cmd_data_inhibit(sdmmc, false))
return 0; return 0;
_sdmmc_enable_interrupts(sdmmc); _sdmmc_enable_interrupts(sdmmc);
@ -763,22 +766,22 @@ static int _sdmmc_stop_transmission_inner(sdmmc_t *sdmmc, u32 *rsp)
cmd.rsp_type = SDMMC_RSP_TYPE_1; cmd.rsp_type = SDMMC_RSP_TYPE_1;
cmd.check_busy = 1; cmd.check_busy = 1;
_sdmmc_parse_cmdbuf(sdmmc, &cmd, false); _sdmmc_send_cmd(sdmmc, &cmd, false);
int res = _sdmmc_wait_request(sdmmc); int result = _sdmmc_wait_response(sdmmc);
_sdmmc_mask_interrupts(sdmmc); _sdmmc_mask_interrupts(sdmmc);
if (!res) if (!result)
return 0; return 0;
_sdmmc_cache_rsp(sdmmc, rsp, 4, SDMMC_RSP_TYPE_1); _sdmmc_cache_rsp(sdmmc, rsp, 4, SDMMC_RSP_TYPE_1);
return _sdmmc_wait_prnsts_type1(sdmmc); return _sdmmc_wait_card_busy(sdmmc);
} }
int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp) int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp)
{ {
if (!sdmmc->sd_clock_enabled) if (!sdmmc->card_clock_enabled)
return 0; return 0;
bool should_disable_sd_clock = false; bool should_disable_sd_clock = false;
@ -790,13 +793,13 @@ int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp)
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor); usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
} }
int res = _sdmmc_stop_transmission_inner(sdmmc, rsp); int result = _sdmmc_stop_transmission_inner(sdmmc, rsp);
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor); usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
if (should_disable_sd_clock) if (should_disable_sd_clock)
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
return res; return result;
} }
static int _sdmmc_config_dma(sdmmc_t *sdmmc, u32 *blkcnt_out, sdmmc_req_t *req) static int _sdmmc_config_dma(sdmmc_t *sdmmc, u32 *blkcnt_out, sdmmc_req_t *req)
@ -846,13 +849,13 @@ static int _sdmmc_update_dma(sdmmc_t *sdmmc)
u32 timeout = get_tmr_ms() + 1500; u32 timeout = get_tmr_ms() + 1500;
do do
{ {
int res = 0; int result = 0;
while (1) while (true)
{ {
u16 intr = 0; u16 intr = 0;
res = _sdmmc_check_mask_interrupt(sdmmc, &intr, result = _sdmmc_check_mask_interrupt(sdmmc, &intr,
SDHCI_INT_DATA_END | SDHCI_INT_DMA_END); SDHCI_INT_DATA_END | SDHCI_INT_DMA_END);
if (res < 0) if (result < 0)
break; break;
if (intr & SDHCI_INT_DATA_END) if (intr & SDHCI_INT_DATA_END)
@ -869,7 +872,7 @@ static int _sdmmc_update_dma(sdmmc_t *sdmmc)
sdmmc->dma_addr_next += 0x80000; sdmmc->dma_addr_next += 0x80000;
} }
} }
if (res != SDMMC_MASKINT_NOERROR) if (result != SDMMC_MASKINT_NOERROR)
{ {
_sdmmc_reset(sdmmc); _sdmmc_reset(sdmmc);
return 0; return 0;
@ -884,7 +887,7 @@ static int _sdmmc_update_dma(sdmmc_t *sdmmc)
static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out) static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out)
{ {
int has_req_or_check_busy = req || cmd->check_busy; int has_req_or_check_busy = req || cmd->check_busy;
if (!_sdmmc_wait_prnsts_type0(sdmmc, has_req_or_check_busy)) if (!_sdmmc_wait_cmd_data_inhibit(sdmmc, has_req_or_check_busy))
return 0; return 0;
u32 blkcnt = 0; u32 blkcnt = 0;
@ -901,12 +904,12 @@ static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_
is_data_present = false; is_data_present = false;
} }
_sdmmc_parse_cmdbuf(sdmmc, cmd, is_data_present); _sdmmc_send_cmd(sdmmc, cmd, is_data_present);
int res = _sdmmc_wait_request(sdmmc); int result = _sdmmc_wait_response(sdmmc);
DPRINTF("rsp(%d): %08X, %08X, %08X, %08X\n", res, DPRINTF("rsp(%d): %08X, %08X, %08X, %08X\n", res,
sdmmc->regs->rspreg0, sdmmc->regs->rspreg1, sdmmc->regs->rspreg2, sdmmc->regs->rspreg3); sdmmc->regs->rspreg0, sdmmc->regs->rspreg1, sdmmc->regs->rspreg2, sdmmc->regs->rspreg3);
if (res) if (result)
{ {
if (cmd->rsp_type) if (cmd->rsp_type)
{ {
@ -919,7 +922,7 @@ static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_
_sdmmc_mask_interrupts(sdmmc); _sdmmc_mask_interrupts(sdmmc);
if (res) if (result)
{ {
if (req) if (req)
{ {
@ -931,10 +934,15 @@ static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_
} }
if (cmd->check_busy || req) if (cmd->check_busy || req)
return _sdmmc_wait_prnsts_type1(sdmmc); return _sdmmc_wait_card_busy(sdmmc);
} }
return res; return result;
}
bool sdmmc_get_sd_inserted()
{
return (!gpio_read(GPIO_PORT_Z, GPIO_PIN_1));
} }
static int _sdmmc_config_sdmmc1() static int _sdmmc_config_sdmmc1()
@ -947,7 +955,7 @@ static int _sdmmc_config_sdmmc1()
usleep(100); usleep(100);
// Check if SD card is inserted. // Check if SD card is inserted.
if(!!gpio_read(GPIO_PORT_Z, GPIO_PIN_1)) if(!sdmmc_get_sd_inserted())
return 0; return 0;
/* /*
@ -992,7 +1000,7 @@ static int _sdmmc_config_sdmmc1()
return 1; return 1;
} }
int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int no_sd) int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int auto_cal_enable)
{ {
if (id > SDMMC_4) if (id > SDMMC_4)
return 0; return 0;
@ -1036,12 +1044,12 @@ int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int n
if (_sdmmc_enable_internal_clock(sdmmc)) if (_sdmmc_enable_internal_clock(sdmmc))
{ {
sdmmc_set_bus_width(sdmmc, bus_width); sdmmc_set_bus_width(sdmmc, bus_width);
_sdmmc_set_voltage(sdmmc, power); _sdmmc_set_io_power(sdmmc, power);
if (sdmmc_setup_clock(sdmmc, type)) if (sdmmc_setup_clock(sdmmc, type))
{ {
sdmmc_sd_clock_ctrl(sdmmc, no_sd); sdmmc_card_clock_ctrl(sdmmc, auto_cal_enable);
_sdmmc_sd_clock_enable(sdmmc); _sdmmc_card_clock_enable(sdmmc);
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
return 1; return 1;
@ -1058,7 +1066,7 @@ void sdmmc_end(sdmmc_t *sdmmc)
{ {
_sdmmc_sd_clock_disable(sdmmc); _sdmmc_sd_clock_disable(sdmmc);
// Disable SDMMC power. // Disable SDMMC power.
_sdmmc_set_voltage(sdmmc, SDMMC_POWER_OFF); _sdmmc_set_io_power(sdmmc, SDMMC_POWER_OFF);
// Disable SD card power. // Disable SD card power.
if (sdmmc->id == SDMMC_1) if (sdmmc->id == SDMMC_1)
@ -1085,12 +1093,12 @@ void sdmmc_init_cmd(sdmmc_cmd_t *cmdbuf, u16 cmd, u32 arg, u32 rsp_type, u32 che
int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out) int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out)
{ {
if (!sdmmc->sd_clock_enabled) if (!sdmmc->card_clock_enabled)
return 0; return 0;
// Recalibrate periodically for SDMMC1. // Recalibrate periodically for SDMMC1.
if (sdmmc->id == SDMMC_1 && sdmmc->no_sd) if (sdmmc->id == SDMMC_1 && sdmmc->auto_cal_enabled)
_sdmmc_autocal_execute(sdmmc, sdmmc_get_voltage(sdmmc)); _sdmmc_autocal_execute(sdmmc, sdmmc_get_io_power(sdmmc));
int should_disable_sd_clock = 0; int should_disable_sd_clock = 0;
if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN)) if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN))
@ -1101,13 +1109,13 @@ int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *b
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor); usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
} }
int res = _sdmmc_execute_cmd_inner(sdmmc, cmd, req, blkcnt_out); int result = _sdmmc_execute_cmd_inner(sdmmc, cmd, req, blkcnt_out);
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor); usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
if (should_disable_sd_clock) if (should_disable_sd_clock)
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
return res; return result;
} }
int sdmmc_enable_low_voltage(sdmmc_t *sdmmc) int sdmmc_enable_low_voltage(sdmmc_t *sdmmc)
@ -1133,7 +1141,7 @@ int sdmmc_enable_low_voltage(sdmmc_t *sdmmc)
_sdmmc_autocal_config_offset(sdmmc, SDMMC_POWER_1_8); _sdmmc_autocal_config_offset(sdmmc, SDMMC_POWER_1_8);
_sdmmc_autocal_execute(sdmmc, SDMMC_POWER_1_8); _sdmmc_autocal_execute(sdmmc, SDMMC_POWER_1_8);
_sdmmc_set_voltage(sdmmc, SDMMC_POWER_1_8); _sdmmc_set_io_power(sdmmc, SDMMC_POWER_1_8);
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
msleep(5); msleep(5);

27
bootloader/storage/sdmmc_driver.h
View file

@ -209,8 +209,8 @@ typedef struct _sdmmc_t
u32 id; u32 id;
u32 divisor; u32 divisor;
u32 clock_stopped; u32 clock_stopped;
int no_sd; int auto_cal_enabled;
int sd_clock_enabled; int card_clock_enabled;
int venclkctl_set; int venclkctl_set;
u32 venclkctl_tap; u32 venclkctl_tap;
u32 expected_rsp_type; u32 expected_rsp_type;
@ -239,19 +239,20 @@ typedef struct _sdmmc_req_t
int is_auto_cmd12; int is_auto_cmd12;
} sdmmc_req_t; } sdmmc_req_t;
int sdmmc_get_voltage(sdmmc_t *sdmmc); int sdmmc_get_io_power(sdmmc_t *sdmmc);
u32 sdmmc_get_bus_width(sdmmc_t *sdmmc); u32 sdmmc_get_bus_width(sdmmc_t *sdmmc);
void sdmmc_set_bus_width(sdmmc_t *sdmmc, u32 bus_width); void sdmmc_set_bus_width(sdmmc_t *sdmmc, u32 bus_width);
void sdmmc_get_venclkctl(sdmmc_t *sdmmc); void sdmmc_set_tap_value(sdmmc_t *sdmmc);
int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type); int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type);
void sdmmc_sd_clock_ctrl(sdmmc_t *sdmmc, int no_sd); void sdmmc_card_clock_ctrl(sdmmc_t *sdmmc, int auto_cal_enable);
int sdmmc_get_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type); int sdmmc_get_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type);
int sdmmc_config_tuning(sdmmc_t *sdmmc, u32 type, u32 cmd); int sdmmc_tuning_execute(sdmmc_t *sdmmc, u32 type, u32 cmd);
int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp); int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp);
int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int no_sd); bool sdmmc_get_sd_inserted();
int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int auto_cal_enable);
void sdmmc_end(sdmmc_t *sdmmc); void sdmmc_end(sdmmc_t *sdmmc);
void sdmmc_init_cmd(sdmmc_cmd_t *cmdbuf, u16 cmd, u32 arg, u32 rsp_type, u32 check_busy); void sdmmc_init_cmd(sdmmc_cmd_t *cmdbuf, u16 cmd, u32 arg, u32 rsp_type, u32 check_busy);
int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out); int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out);
int sdmmc_enable_low_voltage(sdmmc_t *sdmmc); int sdmmc_enable_low_voltage(sdmmc_t *sdmmc);
#endif #endif

24
nyx/nyx_gui/storage/sdmmc.c
View file

@ -421,7 +421,7 @@ static int _mmc_storage_enable_HS200(sdmmc_storage_t *storage)
if (!sdmmc_setup_clock(storage->sdmmc, SDHCI_TIMING_MMC_HS200)) if (!sdmmc_setup_clock(storage->sdmmc, SDHCI_TIMING_MMC_HS200))
return 0; return 0;
if (!sdmmc_config_tuning(storage->sdmmc, SDHCI_TIMING_MMC_HS200, MMC_SEND_TUNING_BLOCK_HS200)) if (!sdmmc_tuning_execute(storage->sdmmc, SDHCI_TIMING_MMC_HS200, MMC_SEND_TUNING_BLOCK_HS200))
return 0; return 0;
DPRINTF("[MMC] switched to HS200\n"); DPRINTF("[MMC] switched to HS200\n");
@ -435,7 +435,7 @@ static int _mmc_storage_enable_HS400(sdmmc_storage_t *storage)
if (!_mmc_storage_enable_HS200(storage)) if (!_mmc_storage_enable_HS200(storage))
return 0; return 0;
sdmmc_get_venclkctl(storage->sdmmc); sdmmc_set_tap_value(storage->sdmmc);
if (!_mmc_storage_enable_HS(storage, 0)) if (!_mmc_storage_enable_HS(storage, 0))
return 0; return 0;
@ -457,7 +457,7 @@ DPRINTF("[MMC] switched to HS400\n");
static int _mmc_storage_enable_highspeed(sdmmc_storage_t *storage, u32 card_type, u32 type) static int _mmc_storage_enable_highspeed(sdmmc_storage_t *storage, u32 card_type, u32 type)
{ {
if (sdmmc_get_voltage(storage->sdmmc) != SDMMC_POWER_1_8) if (sdmmc_get_io_power(storage->sdmmc) != SDMMC_POWER_1_8)
goto out; goto out;
if (sdmmc_get_bus_width(storage->sdmmc) == SDMMC_BUS_WIDTH_8 && if (sdmmc_get_bus_width(storage->sdmmc) == SDMMC_BUS_WIDTH_8 &&
@ -485,13 +485,13 @@ static int _mmc_storage_enable_bkops(sdmmc_storage_t *storage)
return _sdmmc_storage_check_status(storage); return _sdmmc_storage_check_status(storage);
} }
int sdmmc_storage_init_mmc(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 id, u32 bus_width, u32 type) int sdmmc_storage_init_mmc(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 bus_width, u32 type)
{ {
memset(storage, 0, sizeof(sdmmc_storage_t)); memset(storage, 0, sizeof(sdmmc_storage_t));
storage->sdmmc = sdmmc; storage->sdmmc = sdmmc;
storage->rca = 2; //TODO: this could be a config item. storage->rca = 2; //TODO: this could be a config item.
if (!sdmmc_init(sdmmc, id, SDMMC_POWER_1_8, SDMMC_BUS_WIDTH_1, SDHCI_TIMING_MMC_ID, SDMMC_AUTO_CAL_DISABLE)) if (!sdmmc_init(sdmmc, SDMMC_4, SDMMC_POWER_1_8, SDMMC_BUS_WIDTH_1, SDHCI_TIMING_MMC_ID, SDMMC_AUTO_CAL_DISABLE))
return 0; return 0;
DPRINTF("[MMC] after init\n"); DPRINTF("[MMC] after init\n");
@ -570,7 +570,7 @@ DPRINTF("[MMC] BKOPS disabled\n");
return 0; return 0;
DPRINTF("[MMC] succesfully switched to HS mode\n"); DPRINTF("[MMC] succesfully switched to HS mode\n");
sdmmc_sd_clock_ctrl(storage->sdmmc, SDMMC_AUTO_CAL_ENABLE); sdmmc_card_clock_ctrl(storage->sdmmc, SDMMC_AUTO_CAL_ENABLE);
return 1; return 1;
} }
@ -929,7 +929,7 @@ DPRINTF("[SD] card accepted UHS\n");
if (!sdmmc_setup_clock(storage->sdmmc, type)) if (!sdmmc_setup_clock(storage->sdmmc, type))
return 0; return 0;
DPRINTF("[SD] setup clock\n"); DPRINTF("[SD] setup clock\n");
if (!sdmmc_config_tuning(storage->sdmmc, type, MMC_SEND_TUNING_BLOCK)) if (!sdmmc_tuning_execute(storage->sdmmc, type, MMC_SEND_TUNING_BLOCK))
return 0; return 0;
DPRINTF("[SD] config tuning\n"); DPRINTF("[SD] config tuning\n");
return _sdmmc_storage_check_status(storage); return _sdmmc_storage_check_status(storage);
@ -1083,7 +1083,7 @@ void sdmmc_storage_init_wait_sd()
msleep(100 - sd_poweroff_time); msleep(100 - sd_poweroff_time);
} }
int sdmmc_storage_init_sd(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 id, u32 bus_width, u32 type) int sdmmc_storage_init_sd(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 bus_width, u32 type)
{ {
int is_version_1 = 0; int is_version_1 = 0;
u8 *buf = (u8 *)SDMMC_UPPER_BUFFER; u8 *buf = (u8 *)SDMMC_UPPER_BUFFER;
@ -1094,7 +1094,7 @@ int sdmmc_storage_init_sd(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 id, u32
memset(storage, 0, sizeof(sdmmc_storage_t)); memset(storage, 0, sizeof(sdmmc_storage_t));
storage->sdmmc = sdmmc; storage->sdmmc = sdmmc;
if (!sdmmc_init(sdmmc, id, SDMMC_POWER_3_3, SDMMC_BUS_WIDTH_1, SDHCI_TIMING_SD_ID, SDMMC_AUTO_CAL_DISABLE)) if (!sdmmc_init(sdmmc, SDMMC_1, SDMMC_POWER_3_3, SDMMC_BUS_WIDTH_1, SDHCI_TIMING_SD_ID, SDMMC_AUTO_CAL_DISABLE))
return 0; return 0;
DPRINTF("[SD] after init\n"); DPRINTF("[SD] after init\n");
@ -1196,7 +1196,7 @@ DPRINTF("[SD] enabled HS\n");
storage->csd.busspeed = 25; storage->csd.busspeed = 25;
} }
sdmmc_sd_clock_ctrl(sdmmc, SDMMC_AUTO_CAL_ENABLE); sdmmc_card_clock_ctrl(sdmmc, SDMMC_AUTO_CAL_ENABLE);
// Parse additional card info from sd status. // Parse additional card info from sd status.
if (_sd_storage_get_ssr(storage, buf)) if (_sd_storage_get_ssr(storage, buf))
@ -1249,11 +1249,11 @@ DPRINTF("[gc] after init\n");
usleep(1000 + (10000 + sdmmc->divisor - 1) / sdmmc->divisor); usleep(1000 + (10000 + sdmmc->divisor - 1) / sdmmc->divisor);
if (!sdmmc_config_tuning(storage->sdmmc, SDHCI_TIMING_MMC_DDR52, MMC_SEND_TUNING_BLOCK_HS200)) if (!sdmmc_tuning_execute(storage->sdmmc, SDHCI_TIMING_MMC_DDR52, MMC_SEND_TUNING_BLOCK_HS200))
return 0; return 0;
DPRINTF("[gc] after tuning\n"); DPRINTF("[gc] after tuning\n");
sdmmc_sd_clock_ctrl(sdmmc, SDMMC_AUTO_CAL_ENABLE); sdmmc_card_clock_ctrl(sdmmc, SDMMC_AUTO_CAL_ENABLE);
return 1; return 1;
} }

156
nyx/nyx_gui/storage/sdmmc_driver.c
View file

@ -40,7 +40,7 @@ static const u32 _sdmmc_bases[4] = {
0x700B0600, 0x700B0600,
}; };
int sdmmc_get_voltage(sdmmc_t *sdmmc) int sdmmc_get_io_power(sdmmc_t *sdmmc)
{ {
u32 p = sdmmc->regs->pwrcon; u32 p = sdmmc->regs->pwrcon;
if (!(p & SDHCI_POWER_ON)) if (!(p & SDHCI_POWER_ON))
@ -52,7 +52,7 @@ int sdmmc_get_voltage(sdmmc_t *sdmmc)
return -1; return -1;
} }
static int _sdmmc_set_voltage(sdmmc_t *sdmmc, u32 power) static int _sdmmc_set_io_power(sdmmc_t *sdmmc, u32 power)
{ {
u8 pwr = 0; u8 pwr = 0;
@ -105,20 +105,21 @@ void sdmmc_set_bus_width(sdmmc_t *sdmmc, u32 bus_width)
sdmmc->regs->hostctl |= SDHCI_CTRL_8BITBUS; sdmmc->regs->hostctl |= SDHCI_CTRL_8BITBUS;
} }
void sdmmc_get_venclkctl(sdmmc_t *sdmmc) void sdmmc_set_tap_value(sdmmc_t *sdmmc)
{ {
sdmmc->venclkctl_tap = sdmmc->regs->venclkctl >> 16; sdmmc->venclkctl_tap = sdmmc->regs->venclkctl >> 16;
sdmmc->venclkctl_set = 1; sdmmc->venclkctl_set = 1;
} }
static int _sdmmc_config_ven_ceata_clk(sdmmc_t *sdmmc, u32 id) static int _sdmmc_config_tap_val(sdmmc_t *sdmmc, u32 type)
{ {
u32 tap_val = 0; u32 tap_val = 0;
if (id == SDHCI_TIMING_MMC_HS400) if (type == SDHCI_TIMING_MMC_HS400)
sdmmc->regs->venceatactl = (sdmmc->regs->venceatactl & 0xFFFFC0FF) | 0x2800; sdmmc->regs->venceatactl = (sdmmc->regs->venceatactl & 0xFFFFC0FF) | 0x2800;
sdmmc->regs->ventunctl0 &= ~TEGRA_MMC_VNDR_TUN_CTRL0_TAP_VAL_UPDATED_BY_HW; sdmmc->regs->ventunctl0 &= ~TEGRA_MMC_VNDR_TUN_CTRL0_TAP_VAL_UPDATED_BY_HW;
if (id == SDHCI_TIMING_MMC_HS400)
if (type == SDHCI_TIMING_MMC_HS400)
{ {
if (!sdmmc->venclkctl_set) if (!sdmmc->venclkctl_set)
return 0; return 0;
@ -200,9 +201,9 @@ static void _sdmmc_autocal_execute(sdmmc_t *sdmmc, u32 power)
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
} }
static int _sdmmc_wait_type4(sdmmc_t *sdmmc) static int _sdmmc_dll_cal_execute(sdmmc_t *sdmmc)
{ {
int res = 1, should_disable_sd_clock = 0; int result = 1, should_disable_sd_clock = 0;
if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN)) if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN))
{ {
@ -218,7 +219,7 @@ static int _sdmmc_wait_type4(sdmmc_t *sdmmc)
{ {
if (get_tmr_ms() > timeout) if (get_tmr_ms() > timeout)
{ {
res = 0; result = 0;
goto out; goto out;
} }
} }
@ -228,7 +229,7 @@ static int _sdmmc_wait_type4(sdmmc_t *sdmmc)
{ {
if (get_tmr_ms() > timeout) if (get_tmr_ms() > timeout)
{ {
res = 0; result = 0;
goto out; goto out;
} }
} }
@ -236,7 +237,7 @@ static int _sdmmc_wait_type4(sdmmc_t *sdmmc)
out:; out:;
if (should_disable_sd_clock) if (should_disable_sd_clock)
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
return res; return result;
} }
static void _sdmmc_reset(sdmmc_t *sdmmc) static void _sdmmc_reset(sdmmc_t *sdmmc)
@ -258,7 +259,8 @@ int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type)
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
} }
_sdmmc_config_ven_ceata_clk(sdmmc, type); _sdmmc_config_tap_val(sdmmc, type);
switch (type) switch (type)
{ {
@ -300,11 +302,11 @@ int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type)
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
u32 tmp; u32 clock;
u16 divisor; u16 divisor;
clock_sdmmc_get_card_clock_div(&tmp, &divisor, type); clock_sdmmc_get_card_clock_div(&clock, &divisor, type);
clock_sdmmc_config_clock_source(&tmp, sdmmc->id, tmp); clock_sdmmc_config_clock_source(&clock, sdmmc->id, clock);
sdmmc->divisor = (tmp + divisor - 1) / divisor; sdmmc->divisor = (clock + divisor - 1) / divisor;
//if divisor != 1 && divisor << 31 -> error //if divisor != 1 && divisor << 31 -> error
@ -321,37 +323,38 @@ int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type)
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
if (type == SDHCI_TIMING_MMC_HS400) if (type == SDHCI_TIMING_MMC_HS400)
return _sdmmc_wait_type4(sdmmc); return _sdmmc_dll_cal_execute(sdmmc);
return 1; return 1;
} }
static void _sdmmc_sd_clock_enable(sdmmc_t *sdmmc) static void _sdmmc_card_clock_enable(sdmmc_t *sdmmc)
{ {
if (!sdmmc->no_sd) if (!sdmmc->auto_cal_enabled)
{ {
if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN)) if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN))
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
} }
sdmmc->sd_clock_enabled = 1; sdmmc->card_clock_enabled = 1;
} }
static void _sdmmc_sd_clock_disable(sdmmc_t *sdmmc) static void _sdmmc_sd_clock_disable(sdmmc_t *sdmmc)
{ {
sdmmc->sd_clock_enabled = 0; sdmmc->card_clock_enabled = 0;
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
} }
void sdmmc_sd_clock_ctrl(sdmmc_t *sdmmc, int no_sd) void sdmmc_card_clock_ctrl(sdmmc_t *sdmmc, int auto_cal_enable)
{ {
sdmmc->no_sd = no_sd; sdmmc->auto_cal_enabled = auto_cal_enable;
if (no_sd) if (auto_cal_enable)
{ {
if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN)) if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN))
return; return;
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
return; return;
} }
if (sdmmc->sd_clock_enabled)
if (sdmmc->card_clock_enabled)
if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN)) if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN))
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
} }
@ -435,7 +438,7 @@ int sdmmc_get_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type)
return 1; return 1;
} }
static int _sdmmc_wait_prnsts_type0(sdmmc_t *sdmmc, u32 wait_dat) static int _sdmmc_wait_cmd_data_inhibit(sdmmc_t *sdmmc, bool wait_dat)
{ {
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
@ -461,7 +464,7 @@ static int _sdmmc_wait_prnsts_type0(sdmmc_t *sdmmc, u32 wait_dat)
return 1; return 1;
} }
static int _sdmmc_wait_prnsts_type1(sdmmc_t *sdmmc) static int _sdmmc_wait_card_busy(sdmmc_t *sdmmc)
{ {
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
@ -495,10 +498,10 @@ static int _sdmmc_setup_read_small_block(sdmmc_t *sdmmc)
return 1; return 1;
} }
static int _sdmmc_parse_cmdbuf(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, bool is_data_present) static int _sdmmc_send_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, bool is_data_present)
{ {
u16 cmdflags = 0; u16 cmdflags = 0;
switch (cmd->rsp_type) switch (cmd->rsp_type)
{ {
case SDMMC_RSP_TYPE_0: case SDMMC_RSP_TYPE_0:
@ -530,21 +533,21 @@ static int _sdmmc_parse_cmdbuf(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, bool is_data_pr
return 1; return 1;
} }
static void _sdmmc_parse_cmd_48(sdmmc_t *sdmmc, u32 cmd) static void _sdmmc_send_tuning_cmd(sdmmc_t *sdmmc, u32 cmd)
{ {
sdmmc_cmd_t cmdbuf; sdmmc_cmd_t cmdbuf;
cmdbuf.cmd = cmd; cmdbuf.cmd = cmd;
cmdbuf.arg = 0; cmdbuf.arg = 0;
cmdbuf.rsp_type = SDMMC_RSP_TYPE_1; cmdbuf.rsp_type = SDMMC_RSP_TYPE_1;
cmdbuf.check_busy = 0; cmdbuf.check_busy = 0;
_sdmmc_parse_cmdbuf(sdmmc, &cmdbuf, true); _sdmmc_send_cmd(sdmmc, &cmdbuf, true);
} }
static int _sdmmc_config_tuning_once(sdmmc_t *sdmmc, u32 cmd) static int _sdmmc_tuning_execute_once(sdmmc_t *sdmmc, u32 cmd)
{ {
if (sdmmc->no_sd) if (sdmmc->auto_cal_enabled)
return 0; return 0;
if (!_sdmmc_wait_prnsts_type0(sdmmc, 1)) if (!_sdmmc_wait_cmd_data_inhibit(sdmmc, true))
return 0; return 0;
_sdmmc_setup_read_small_block(sdmmc); _sdmmc_setup_read_small_block(sdmmc);
@ -553,7 +556,7 @@ static int _sdmmc_config_tuning_once(sdmmc_t *sdmmc, u32 cmd)
sdmmc->regs->norintsts = sdmmc->regs->norintsts; sdmmc->regs->norintsts = sdmmc->regs->norintsts;
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
_sdmmc_parse_cmd_48(sdmmc, cmd); _sdmmc_send_tuning_cmd(sdmmc, cmd);
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
usleep(1); usleep(1);
@ -584,7 +587,7 @@ static int _sdmmc_config_tuning_once(sdmmc_t *sdmmc, u32 cmd)
return 0; return 0;
} }
int sdmmc_config_tuning(sdmmc_t *sdmmc, u32 type, u32 cmd) int sdmmc_tuning_execute(sdmmc_t *sdmmc, u32 type, u32 cmd)
{ {
u32 max = 0, flag = 0; u32 max = 0, flag = 0;
@ -618,7 +621,7 @@ int sdmmc_config_tuning(sdmmc_t *sdmmc, u32 type, u32 cmd)
for (u32 i = 0; i < max; i++) for (u32 i = 0; i < max; i++)
{ {
_sdmmc_config_tuning_once(sdmmc, cmd); _sdmmc_tuning_execute_once(sdmmc, cmd);
if (!(sdmmc->regs->hostctl2 & SDHCI_CTRL_EXEC_TUNING)) if (!(sdmmc->regs->hostctl2 & SDHCI_CTRL_EXEC_TUNING))
break; break;
} }
@ -729,17 +732,17 @@ DPRINTF("norintsts %08X; errintsts %08X\n", norintsts, errintsts);
return SDMMC_MASKINT_NOERROR; return SDMMC_MASKINT_NOERROR;
} }
static int _sdmmc_wait_request(sdmmc_t *sdmmc) static int _sdmmc_wait_response(sdmmc_t *sdmmc)
{ {
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
u32 timeout = get_tmr_ms() + 2000; u32 timeout = get_tmr_ms() + 2000;
while (1) while (true)
{ {
int res = _sdmmc_check_mask_interrupt(sdmmc, NULL, SDHCI_INT_RESPONSE); int result = _sdmmc_check_mask_interrupt(sdmmc, NULL, SDHCI_INT_RESPONSE);
if (res == SDMMC_MASKINT_MASKED) if (result == SDMMC_MASKINT_MASKED)
break; break;
if (res != SDMMC_MASKINT_NOERROR || get_tmr_ms() > timeout) if (result != SDMMC_MASKINT_NOERROR || get_tmr_ms() > timeout)
{ {
_sdmmc_reset(sdmmc); _sdmmc_reset(sdmmc);
return 0; return 0;
@ -753,7 +756,7 @@ static int _sdmmc_stop_transmission_inner(sdmmc_t *sdmmc, u32 *rsp)
{ {
sdmmc_cmd_t cmd; sdmmc_cmd_t cmd;
if (!_sdmmc_wait_prnsts_type0(sdmmc, 0)) if (!_sdmmc_wait_cmd_data_inhibit(sdmmc, false))
return 0; return 0;
_sdmmc_enable_interrupts(sdmmc); _sdmmc_enable_interrupts(sdmmc);
@ -763,22 +766,22 @@ static int _sdmmc_stop_transmission_inner(sdmmc_t *sdmmc, u32 *rsp)
cmd.rsp_type = SDMMC_RSP_TYPE_1; cmd.rsp_type = SDMMC_RSP_TYPE_1;
cmd.check_busy = 1; cmd.check_busy = 1;
_sdmmc_parse_cmdbuf(sdmmc, &cmd, false); _sdmmc_send_cmd(sdmmc, &cmd, false);
int res = _sdmmc_wait_request(sdmmc); int result = _sdmmc_wait_response(sdmmc);
_sdmmc_mask_interrupts(sdmmc); _sdmmc_mask_interrupts(sdmmc);
if (!res) if (!result)
return 0; return 0;
_sdmmc_cache_rsp(sdmmc, rsp, 4, SDMMC_RSP_TYPE_1); _sdmmc_cache_rsp(sdmmc, rsp, 4, SDMMC_RSP_TYPE_1);
return _sdmmc_wait_prnsts_type1(sdmmc); return _sdmmc_wait_card_busy(sdmmc);
} }
int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp) int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp)
{ {
if (!sdmmc->sd_clock_enabled) if (!sdmmc->card_clock_enabled)
return 0; return 0;
bool should_disable_sd_clock = false; bool should_disable_sd_clock = false;
@ -790,13 +793,13 @@ int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp)
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor); usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
} }
int res = _sdmmc_stop_transmission_inner(sdmmc, rsp); int result = _sdmmc_stop_transmission_inner(sdmmc, rsp);
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor); usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
if (should_disable_sd_clock) if (should_disable_sd_clock)
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
return res; return result;
} }
static int _sdmmc_config_dma(sdmmc_t *sdmmc, u32 *blkcnt_out, sdmmc_req_t *req) static int _sdmmc_config_dma(sdmmc_t *sdmmc, u32 *blkcnt_out, sdmmc_req_t *req)
@ -846,13 +849,13 @@ static int _sdmmc_update_dma(sdmmc_t *sdmmc)
u32 timeout = get_tmr_ms() + 1500; u32 timeout = get_tmr_ms() + 1500;
do do
{ {
int res = 0; int result = 0;
while (1) while (true)
{ {
u16 intr = 0; u16 intr = 0;
res = _sdmmc_check_mask_interrupt(sdmmc, &intr, result = _sdmmc_check_mask_interrupt(sdmmc, &intr,
SDHCI_INT_DATA_END | SDHCI_INT_DMA_END); SDHCI_INT_DATA_END | SDHCI_INT_DMA_END);
if (res < 0) if (result < 0)
break; break;
if (intr & SDHCI_INT_DATA_END) if (intr & SDHCI_INT_DATA_END)
@ -869,7 +872,7 @@ static int _sdmmc_update_dma(sdmmc_t *sdmmc)
sdmmc->dma_addr_next += 0x80000; sdmmc->dma_addr_next += 0x80000;
} }
} }
if (res != SDMMC_MASKINT_NOERROR) if (result != SDMMC_MASKINT_NOERROR)
{ {
_sdmmc_reset(sdmmc); _sdmmc_reset(sdmmc);
return 0; return 0;
@ -884,7 +887,7 @@ static int _sdmmc_update_dma(sdmmc_t *sdmmc)
static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out) static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out)
{ {
int has_req_or_check_busy = req || cmd->check_busy; int has_req_or_check_busy = req || cmd->check_busy;
if (!_sdmmc_wait_prnsts_type0(sdmmc, has_req_or_check_busy)) if (!_sdmmc_wait_cmd_data_inhibit(sdmmc, has_req_or_check_busy))
return 0; return 0;
u32 blkcnt = 0; u32 blkcnt = 0;
@ -901,12 +904,12 @@ static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_
is_data_present = false; is_data_present = false;
} }
_sdmmc_parse_cmdbuf(sdmmc, cmd, is_data_present); _sdmmc_send_cmd(sdmmc, cmd, is_data_present);
int res = _sdmmc_wait_request(sdmmc); int result = _sdmmc_wait_response(sdmmc);
DPRINTF("rsp(%d): %08X, %08X, %08X, %08X\n", res, DPRINTF("rsp(%d): %08X, %08X, %08X, %08X\n", res,
sdmmc->regs->rspreg0, sdmmc->regs->rspreg1, sdmmc->regs->rspreg2, sdmmc->regs->rspreg3); sdmmc->regs->rspreg0, sdmmc->regs->rspreg1, sdmmc->regs->rspreg2, sdmmc->regs->rspreg3);
if (res) if (result)
{ {
if (cmd->rsp_type) if (cmd->rsp_type)
{ {
@ -919,7 +922,7 @@ static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_
_sdmmc_mask_interrupts(sdmmc); _sdmmc_mask_interrupts(sdmmc);
if (res) if (result)
{ {
if (req) if (req)
{ {
@ -931,10 +934,15 @@ static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_
} }
if (cmd->check_busy || req) if (cmd->check_busy || req)
return _sdmmc_wait_prnsts_type1(sdmmc); return _sdmmc_wait_card_busy(sdmmc);
} }
return res; return result;
}
bool sdmmc_get_sd_inserted()
{
return (!gpio_read(GPIO_PORT_Z, GPIO_PIN_1));
} }
static int _sdmmc_config_sdmmc1() static int _sdmmc_config_sdmmc1()
@ -947,7 +955,7 @@ static int _sdmmc_config_sdmmc1()
usleep(100); usleep(100);
// Check if SD card is inserted. // Check if SD card is inserted.
if(!!gpio_read(GPIO_PORT_Z, GPIO_PIN_1)) if(!sdmmc_get_sd_inserted())
return 0; return 0;
/* /*
@ -992,7 +1000,7 @@ static int _sdmmc_config_sdmmc1()
return 1; return 1;
} }
int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int no_sd) int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int auto_cal_enable)
{ {
if (id > SDMMC_4) if (id > SDMMC_4)
return 0; return 0;
@ -1036,12 +1044,12 @@ int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int n
if (_sdmmc_enable_internal_clock(sdmmc)) if (_sdmmc_enable_internal_clock(sdmmc))
{ {
sdmmc_set_bus_width(sdmmc, bus_width); sdmmc_set_bus_width(sdmmc, bus_width);
_sdmmc_set_voltage(sdmmc, power); _sdmmc_set_io_power(sdmmc, power);
if (sdmmc_setup_clock(sdmmc, type)) if (sdmmc_setup_clock(sdmmc, type))
{ {
sdmmc_sd_clock_ctrl(sdmmc, no_sd); sdmmc_card_clock_ctrl(sdmmc, auto_cal_enable);
_sdmmc_sd_clock_enable(sdmmc); _sdmmc_card_clock_enable(sdmmc);
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
return 1; return 1;
@ -1058,7 +1066,7 @@ void sdmmc_end(sdmmc_t *sdmmc)
{ {
_sdmmc_sd_clock_disable(sdmmc); _sdmmc_sd_clock_disable(sdmmc);
// Disable SDMMC power. // Disable SDMMC power.
_sdmmc_set_voltage(sdmmc, SDMMC_POWER_OFF); _sdmmc_set_io_power(sdmmc, SDMMC_POWER_OFF);
// Disable SD card power. // Disable SD card power.
if (sdmmc->id == SDMMC_1) if (sdmmc->id == SDMMC_1)
@ -1085,12 +1093,12 @@ void sdmmc_init_cmd(sdmmc_cmd_t *cmdbuf, u16 cmd, u32 arg, u32 rsp_type, u32 che
int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out) int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out)
{ {
if (!sdmmc->sd_clock_enabled) if (!sdmmc->card_clock_enabled)
return 0; return 0;
// Recalibrate periodically for SDMMC1. // Recalibrate periodically for SDMMC1.
if (sdmmc->id == SDMMC_1 && sdmmc->no_sd) if (sdmmc->id == SDMMC_1 && sdmmc->auto_cal_enabled)
_sdmmc_autocal_execute(sdmmc, sdmmc_get_voltage(sdmmc)); _sdmmc_autocal_execute(sdmmc, sdmmc_get_io_power(sdmmc));
int should_disable_sd_clock = 0; int should_disable_sd_clock = 0;
if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN)) if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN))
@ -1101,13 +1109,13 @@ int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *b
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor); usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
} }
int res = _sdmmc_execute_cmd_inner(sdmmc, cmd, req, blkcnt_out); int result = _sdmmc_execute_cmd_inner(sdmmc, cmd, req, blkcnt_out);
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor); usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
if (should_disable_sd_clock) if (should_disable_sd_clock)
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN; sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
return res; return result;
} }
int sdmmc_enable_low_voltage(sdmmc_t *sdmmc) int sdmmc_enable_low_voltage(sdmmc_t *sdmmc)
@ -1133,7 +1141,7 @@ int sdmmc_enable_low_voltage(sdmmc_t *sdmmc)
_sdmmc_autocal_config_offset(sdmmc, SDMMC_POWER_1_8); _sdmmc_autocal_config_offset(sdmmc, SDMMC_POWER_1_8);
_sdmmc_autocal_execute(sdmmc, SDMMC_POWER_1_8); _sdmmc_autocal_execute(sdmmc, SDMMC_POWER_1_8);
_sdmmc_set_voltage(sdmmc, SDMMC_POWER_1_8); _sdmmc_set_io_power(sdmmc, SDMMC_POWER_1_8);
_sdmmc_get_clkcon(sdmmc); _sdmmc_get_clkcon(sdmmc);
msleep(5); msleep(5);

27
nyx/nyx_gui/storage/sdmmc_driver.h
View file

@ -209,8 +209,8 @@ typedef struct _sdmmc_t
u32 id; u32 id;
u32 divisor; u32 divisor;
u32 clock_stopped; u32 clock_stopped;
int no_sd; int auto_cal_enabled;
int sd_clock_enabled; int card_clock_enabled;
int venclkctl_set; int venclkctl_set;
u32 venclkctl_tap; u32 venclkctl_tap;
u32 expected_rsp_type; u32 expected_rsp_type;
@ -239,19 +239,20 @@ typedef struct _sdmmc_req_t
int is_auto_cmd12; int is_auto_cmd12;
} sdmmc_req_t; } sdmmc_req_t;
int sdmmc_get_voltage(sdmmc_t *sdmmc); int sdmmc_get_io_power(sdmmc_t *sdmmc);
u32 sdmmc_get_bus_width(sdmmc_t *sdmmc); u32 sdmmc_get_bus_width(sdmmc_t *sdmmc);
void sdmmc_set_bus_width(sdmmc_t *sdmmc, u32 bus_width); void sdmmc_set_bus_width(sdmmc_t *sdmmc, u32 bus_width);
void sdmmc_get_venclkctl(sdmmc_t *sdmmc); void sdmmc_set_tap_value(sdmmc_t *sdmmc);
int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type); int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type);
void sdmmc_sd_clock_ctrl(sdmmc_t *sdmmc, int no_sd); void sdmmc_card_clock_ctrl(sdmmc_t *sdmmc, int auto_cal_enable);
int sdmmc_get_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type); int sdmmc_get_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type);
int sdmmc_config_tuning(sdmmc_t *sdmmc, u32 type, u32 cmd); int sdmmc_tuning_execute(sdmmc_t *sdmmc, u32 type, u32 cmd);
int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp); int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp);
int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int no_sd); bool sdmmc_get_sd_inserted();
int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int auto_cal_enable);
void sdmmc_end(sdmmc_t *sdmmc); void sdmmc_end(sdmmc_t *sdmmc);
void sdmmc_init_cmd(sdmmc_cmd_t *cmdbuf, u16 cmd, u32 arg, u32 rsp_type, u32 check_busy); void sdmmc_init_cmd(sdmmc_cmd_t *cmdbuf, u16 cmd, u32 arg, u32 rsp_type, u32 check_busy);
int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out); int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out);
int sdmmc_enable_low_voltage(sdmmc_t *sdmmc); int sdmmc_enable_low_voltage(sdmmc_t *sdmmc);
#endif #endif