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bdk: sdmmc: rename divisor param to card clock

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This commit is contained in:
CTCaer
2023-03-31 07:53:46 +03:00
parent 298893f404
commit 9a222e0e49
3 changed files with 14 additions and 11 deletions
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14
bdk/storage/sdmmc_driver.c
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@@ -367,7 +367,7 @@ int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type)
u16 divisor;
clock_sdmmc_get_card_clock_div(&clock, &divisor, type);
clock_sdmmc_config_clock_source(&clock, sdmmc->id, clock);
sdmmc->divisor = (clock + divisor - 1) / divisor;
sdmmc->card_clock = (clock + divisor - 1) / divisor;
//if divisor != 1 && divisor << 31 -> error
@@ -657,7 +657,7 @@ static int _sdmmc_tuning_execute_once(sdmmc_t *sdmmc, u32 cmd)
sdmmc->regs->norintsts = SDHCI_INT_DATA_AVAIL;
sdmmc->regs->norintstsen &= ~SDHCI_INT_DATA_AVAIL;
_sdmmc_commit_changes(sdmmc);
usleep((1000 * 8 + sdmmc->divisor - 1) / sdmmc->divisor);
usleep((8 * 1000 + sdmmc->card_clock - 1) / sdmmc->card_clock); // Wait 8 cycles.
return 1;
}
}
@@ -666,7 +666,7 @@ static int _sdmmc_tuning_execute_once(sdmmc_t *sdmmc, u32 cmd)
sdmmc->regs->norintstsen &= ~SDHCI_INT_DATA_AVAIL;
_sdmmc_commit_changes(sdmmc);
usleep((1000 * 8 + sdmmc->divisor - 1) / sdmmc->divisor);
usleep((8 * 1000 + sdmmc->card_clock - 1) / sdmmc->card_clock); // Wait 8 cycles.
return 0;
}
@@ -897,11 +897,11 @@ int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp)
should_disable_sd_clock = true;
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
_sdmmc_commit_changes(sdmmc);
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
usleep((8 * 1000 + sdmmc->card_clock - 1) / sdmmc->card_clock); // Wait 8 cycles.
}
int result = _sdmmc_stop_transmission_inner(sdmmc, rsp);
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
usleep((8 * 1000 + sdmmc->card_clock - 1) / sdmmc->card_clock); // Wait 8 cycles.
if (should_disable_sd_clock)
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
@@ -1408,11 +1408,11 @@ int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *b
should_disable_sd_clock = 1;
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
_sdmmc_commit_changes(sdmmc);
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
usleep((8 * 1000 + sdmmc->card_clock - 1) / sdmmc->card_clock); // Wait 8 cycles.
}
int result = _sdmmc_execute_cmd_inner(sdmmc, cmd, req, blkcnt_out);
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
usleep((8 * 1000 + sdmmc->card_clock - 1) / sdmmc->card_clock); // Wait 8 cycles.
if (should_disable_sd_clock)
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;