mirror of
https://github.com/Decscots/Lockpick_RCM.git
synced 2025-06-22 00:57:20 +02:00
Update to Hekate bdk 5.5.0, prelim Mariko support
This commit is contained in:
shchmue
parent
04378b322d
commit
5d101cad50
89 changed files with 12779 additions and 2210 deletions
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@ -1,6 +1,6 @@
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/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018-2019 CTCaer
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* Copyright (c) 2018-2020 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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@ -24,6 +24,7 @@
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#include <soc/bpmp.h>
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#include <soc/clock.h>
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#include <soc/gpio.h>
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#include <soc/hw_init.h>
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#include <soc/pinmux.h>
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#include <soc/pmc.h>
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#include <soc/t210.h>
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@ -65,12 +66,15 @@ static int _sdmmc_set_io_power(sdmmc_t *sdmmc, u32 power)
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case SDMMC_POWER_OFF:
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sdmmc->regs->pwrcon &= ~SDHCI_POWER_ON;
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break;
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case SDMMC_POWER_1_8:
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sdmmc->regs->pwrcon = SDHCI_POWER_180;
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break;
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case SDMMC_POWER_3_3:
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sdmmc->regs->pwrcon = SDHCI_POWER_330;
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break;
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default:
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return 0;
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}
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@ -103,7 +107,7 @@ void sdmmc_set_bus_width(sdmmc_t *sdmmc, u32 bus_width)
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sdmmc->regs->hostctl = host_control | SDHCI_CTRL_8BITBUS;
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}
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void sdmmc_set_tap_value(sdmmc_t *sdmmc)
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void sdmmc_save_tap_value(sdmmc_t *sdmmc)
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{
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sdmmc->venclkctl_tap = sdmmc->regs->venclkctl >> 16;
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sdmmc->venclkctl_set = 1;
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@ -112,7 +116,7 @@ void sdmmc_set_tap_value(sdmmc_t *sdmmc)
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static int _sdmmc_config_tap_val(sdmmc_t *sdmmc, u32 type)
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{
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const u32 dqs_trim_val = 0x28;
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const u32 tap_values[] = { 4, 0, 3, 0 };
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const u32 tap_values_t210[] = { 4, 0, 3, 0 };
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u32 tap_val = 0;
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@ -129,36 +133,49 @@ static int _sdmmc_config_tap_val(sdmmc_t *sdmmc, u32 type)
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tap_val = sdmmc->venclkctl_tap;
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}
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else
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{
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tap_val = tap_values[sdmmc->id];
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}
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tap_val = sdmmc->t210b01 ? 11 : tap_values_t210[sdmmc->id];
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sdmmc->regs->venclkctl = (sdmmc->regs->venclkctl & 0xFF00FFFF) | (tap_val << 16);
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return 1;
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}
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static int _sdmmc_get_clkcon(sdmmc_t *sdmmc)
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static int _sdmmc_commit_changes(sdmmc_t *sdmmc)
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{
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return sdmmc->regs->clkcon;
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}
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static void _sdmmc_pad_config_fallback(sdmmc_t *sdmmc, u32 power)
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{
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_sdmmc_get_clkcon(sdmmc);
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_sdmmc_commit_changes(sdmmc);
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switch (sdmmc->id)
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{
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case SDMMC_1: // 33 Ohm 2X Driver.
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if (power == SDMMC_POWER_OFF)
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break;
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u32 sdmmc1_pad_cfg = APB_MISC(APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL) & 0xF8080FFF;
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if (power == SDMMC_POWER_1_8)
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APB_MISC(APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL) = sdmmc1_pad_cfg | (0xB0F << 12); // Up: 11, Dn: 15. For 33 ohm.
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if (sdmmc->t210b01)
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sdmmc1_pad_cfg |= (0x808 << 12); // Up: 8, Dn: 8. For 33 ohm.
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else if (power == SDMMC_POWER_1_8)
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sdmmc1_pad_cfg |= (0xB0F << 12); // Up: 11, Dn: 15. For 33 ohm.
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else if (power == SDMMC_POWER_3_3)
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APB_MISC(APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL) = sdmmc1_pad_cfg | (0xC0C << 12); // Up: 12, Dn: 12. For 33 ohm.
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sdmmc1_pad_cfg |= (0xC0C << 12); // Up: 12, Dn: 12. For 33 ohm.
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APB_MISC(APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL) = sdmmc1_pad_cfg;
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(void)APB_MISC(APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL); // Commit write.
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break;
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case SDMMC_2:
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case SDMMC_4: // 50 Ohm 2X Driver. PU:16, PD:16.
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APB_MISC(APB_MISC_GP_EMMC4_PAD_CFGPADCTRL) = (APB_MISC(APB_MISC_GP_EMMC4_PAD_CFGPADCTRL) & 0xFFFFC003) | 0x1040;
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if (sdmmc->t210b01)
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APB_MISC(APB_MISC_GP_EMMC2_PAD_CFGPADCTRL) = (APB_MISC(APB_MISC_GP_EMMC2_PAD_CFGPADCTRL) & 0xF8080FFF) | 0xA0A000;
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else
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APB_MISC(APB_MISC_GP_EMMC2_PAD_CFGPADCTRL) = (APB_MISC(APB_MISC_GP_EMMC2_PAD_CFGPADCTRL) & 0xFFFFC003) | 0x1040; // PU:16, PD:16.
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(void)APB_MISC(APB_MISC_GP_EMMC2_PAD_CFGPADCTRL);
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break;
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case SDMMC_4: // 50 Ohm 2X Driver. PU:16, PD:16, B01: PU:10, PD:10.
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APB_MISC(APB_MISC_GP_EMMC4_PAD_CFGPADCTRL) =
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(APB_MISC(APB_MISC_GP_EMMC4_PAD_CFGPADCTRL) & 0xFFFFC003) | (sdmmc->t210b01 ? 0xA28 : 0x1040);
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(void)APB_MISC(APB_MISC_GP_EMMC4_PAD_CFGPADCTRL); // Commit write.
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break;
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}
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}
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@ -176,13 +193,13 @@ static void _sdmmc_autocal_execute(sdmmc_t *sdmmc, u32 power)
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if (!(sdmmc->regs->sdmemcmppadctl & TEGRA_MMC_SDMEMCOMPPADCTRL_PAD_E_INPUT_PWRD))
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{
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sdmmc->regs->sdmemcmppadctl |= TEGRA_MMC_SDMEMCOMPPADCTRL_PAD_E_INPUT_PWRD;
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_sdmmc_get_clkcon(sdmmc);
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_sdmmc_commit_changes(sdmmc);
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usleep(1);
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}
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// Enable auto calibration and start auto configuration.
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sdmmc->regs->autocalcfg |= TEGRA_MMC_AUTOCALCFG_AUTO_CAL_ENABLE | TEGRA_MMC_AUTOCALCFG_AUTO_CAL_START;
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_sdmmc_get_clkcon(sdmmc);
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_sdmmc_commit_changes(sdmmc);
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usleep(2);
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u32 timeout = get_tmr_ms() + 10;
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@ -194,24 +211,18 @@ static void _sdmmc_autocal_execute(sdmmc_t *sdmmc, u32 power)
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break;
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}
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}
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/*
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// Check if PU results are inside limits.
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// SDMMC1: CZ pads - 7-bit PU. SDMMC2/4: LV_CZ pads - 5-bit PU.
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u8 autocal_pu_status = sdmmc->regs->autocalsts & 0x7F;
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switch (sdmmc->id)
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{
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case SDMMC_1:
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if (!autocal_pu_status || autocal_pu_status == 0x7F)
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timeout = 0;
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break;
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case SDMMC_2:
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case SDMMC_4:
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autocal_pu_status &= 0x1F;
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if (!autocal_pu_status || autocal_pu_status == 0x1F)
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timeout = 0;
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break;
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}
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*/
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#ifdef ERROR_EXTRA_PRINTING
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// Check if Comp pad is open or short to ground.
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// SDMMC1: CZ pads - T210/T210B01: 7-bit/5-bit. SDMMC2/4: LV_CZ pads - 5-bit.
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u8 code_mask = (sdmmc->t210b01 || sdmmc->id != SDMMC_1) ? 0x1F : 0x7F;
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u8 autocal_pu_status = sdmmc->regs->autocalsts & code_mask;
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if (!autocal_pu_status)
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EPRINTF("SDMMC: Comp Pad short to gnd!");
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else if (autocal_pu_status == code_mask)
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EPRINTF("SDMMC: Comp Pad open!");
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#endif
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// In case auto calibration fails, we load suggested standard values.
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if (!timeout)
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{
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@ -241,12 +252,13 @@ static int _sdmmc_dll_cal_execute(sdmmc_t *sdmmc)
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}
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#ifdef SDMMC_EMMC_OC
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// Add -4 TX_DLY_CODE_OFFSET if HS533.
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if (sdmmc->id == SDMMC_4 && overclock)
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sdmmc->regs->vendllcalcfg = sdmmc->regs->vendllcalcfg &= 0xFFFFC07F | (0x7C << 7); // Add -4 TX_DLY_CODE_OFFSET if HS533.
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sdmmc->regs->vendllcalcfg = sdmmc->regs->vendllcalcfg &= 0xFFFFC07F | (0x7C << 7);
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#endif
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sdmmc->regs->vendllcalcfg |= TEGRA_MMC_DLLCAL_CFG_EN_CALIBRATE;
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_sdmmc_get_clkcon(sdmmc);
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_sdmmc_commit_changes(sdmmc);
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u32 timeout = get_tmr_ms() + 5;
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while (sdmmc->regs->vendllcalcfg & TEGRA_MMC_DLLCAL_CFG_EN_CALIBRATE)
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@ -277,12 +289,21 @@ out:;
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static void _sdmmc_reset(sdmmc_t *sdmmc)
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{
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sdmmc->regs->swrst |= SDHCI_RESET_CMD | SDHCI_RESET_DATA;
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_sdmmc_get_clkcon(sdmmc);
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_sdmmc_commit_changes(sdmmc);
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u32 timeout = get_tmr_ms() + 2000;
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while ((sdmmc->regs->swrst & (SDHCI_RESET_CMD | SDHCI_RESET_DATA)) && get_tmr_ms() < timeout)
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;
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}
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static void _sdmmc_reset_all(sdmmc_t *sdmmc)
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{
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sdmmc->regs->swrst |= SDHCI_RESET_ALL;
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_sdmmc_commit_changes(sdmmc);
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u32 timeout = get_tmr_ms() + 2000;//100ms
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while ((sdmmc->regs->swrst & SDHCI_RESET_ALL) && get_tmr_ms() < timeout)
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;
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}
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int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type)
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{
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// Disable the SD clock if it was enabled, and reenable it later.
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@ -306,36 +327,41 @@ int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type)
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sdmmc->regs->hostctl &= ~SDHCI_CTRL_HISPD;
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sdmmc->regs->hostctl2 &= ~SDHCI_CTRL_VDD_180;
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break;
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case SDHCI_TIMING_MMC_HS52:
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case SDHCI_TIMING_SD_HS25:
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sdmmc->regs->hostctl |= SDHCI_CTRL_HISPD;
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sdmmc->regs->hostctl2 &= ~SDHCI_CTRL_VDD_180;
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break;
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case SDHCI_TIMING_MMC_HS200:
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case SDHCI_TIMING_UHS_SDR50: // T210 Errata for SDR50, the host must be set to SDR104.
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case SDHCI_TIMING_UHS_SDR104:
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case SDHCI_TIMING_UHS_SDR82:
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case SDHCI_TIMING_UHS_DDR50:
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case SDHCI_TIMING_MMC_DDR52:
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case SDHCI_TIMING_MMC_HS102:
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sdmmc->regs->hostctl2 = (sdmmc->regs->hostctl2 & SDHCI_CTRL_UHS_MASK) | UHS_SDR104_BUS_SPEED;
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sdmmc->regs->hostctl2 |= SDHCI_CTRL_VDD_180;
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break;
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case SDHCI_TIMING_MMC_HS400:
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// Non standard.
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sdmmc->regs->hostctl2 = (sdmmc->regs->hostctl2 & SDHCI_CTRL_UHS_MASK) | HS400_BUS_SPEED;
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sdmmc->regs->hostctl2 |= SDHCI_CTRL_VDD_180;
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break;
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case SDHCI_TIMING_UHS_SDR25:
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sdmmc->regs->hostctl2 = (sdmmc->regs->hostctl2 & SDHCI_CTRL_UHS_MASK) | UHS_SDR25_BUS_SPEED;
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sdmmc->regs->hostctl2 |= SDHCI_CTRL_VDD_180;
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break;
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case SDHCI_TIMING_UHS_SDR12:
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sdmmc->regs->hostctl2 = (sdmmc->regs->hostctl2 & SDHCI_CTRL_UHS_MASK) | UHS_SDR12_BUS_SPEED;
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sdmmc->regs->hostctl2 |= SDHCI_CTRL_VDD_180;
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break;
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}
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_sdmmc_get_clkcon(sdmmc);
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_sdmmc_commit_changes(sdmmc);
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u32 clock;
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u16 divisor;
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@ -373,10 +399,10 @@ int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type)
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static void _sdmmc_card_clock_enable(sdmmc_t *sdmmc)
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{
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// Recalibrate conditionally.
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if ((sdmmc->id == SDMMC_1) && !sdmmc->auto_cal_enabled)
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if (sdmmc->manual_cal && !sdmmc->powersave_enabled)
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_sdmmc_autocal_execute(sdmmc, sdmmc_get_io_power(sdmmc));
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if (!sdmmc->auto_cal_enabled)
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if (!sdmmc->powersave_enabled)
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{
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if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN))
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sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
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@ -390,18 +416,17 @@ static void _sdmmc_sd_clock_disable(sdmmc_t *sdmmc)
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sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
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}
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void sdmmc_card_clock_ctrl(sdmmc_t *sdmmc, int auto_cal_enable)
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void sdmmc_card_clock_powersave(sdmmc_t *sdmmc, int powersave_enable)
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{
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// Recalibrate periodically for SDMMC1.
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if ((sdmmc->id == SDMMC_1) && !auto_cal_enable && sdmmc->card_clock_enabled)
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if (sdmmc->manual_cal && !powersave_enable && sdmmc->card_clock_enabled)
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_sdmmc_autocal_execute(sdmmc, sdmmc_get_io_power(sdmmc));
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sdmmc->auto_cal_enabled = auto_cal_enable;
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if (auto_cal_enable)
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sdmmc->powersave_enabled = powersave_enable;
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if (powersave_enable)
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{
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if (!(sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN))
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return;
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sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
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if (sdmmc->regs->clkcon & SDHCI_CLOCK_CARD_EN)
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sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
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return;
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}
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@ -422,6 +447,7 @@ static int _sdmmc_cache_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type)
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return 0;
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rsp[0] = sdmmc->regs->rspreg0;
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break;
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case SDMMC_RSP_TYPE_2:
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if (size < 0x10)
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return 0;
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@ -450,9 +476,9 @@ static int _sdmmc_cache_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type)
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rsp[i - 1] |= (tempreg >> 24) & 0xFF;
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}
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break;
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default:
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return 0;
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break;
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}
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return 1;
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@ -473,6 +499,7 @@ int sdmmc_get_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type)
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return 0;
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rsp[0] = sdmmc->rsp[0];
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break;
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case SDMMC_RSP_TYPE_2:
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if (size < 0x10)
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return 0;
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@ -481,9 +508,9 @@ int sdmmc_get_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type)
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rsp[2] = sdmmc->rsp[2];
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rsp[3] = sdmmc->rsp[3];
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break;
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default:
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return 0;
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break;
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}
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return 1;
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@ -491,7 +518,7 @@ int sdmmc_get_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type)
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static int _sdmmc_wait_cmd_data_inhibit(sdmmc_t *sdmmc, bool wait_dat)
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{
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_sdmmc_get_clkcon(sdmmc);
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_sdmmc_commit_changes(sdmmc);
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u32 timeout = get_tmr_ms() + 2000;
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while(sdmmc->regs->prnsts & SDHCI_CMD_INHIBIT)
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@ -517,7 +544,7 @@ static int _sdmmc_wait_cmd_data_inhibit(sdmmc_t *sdmmc, bool wait_dat)
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static int _sdmmc_wait_card_busy(sdmmc_t *sdmmc)
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{
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_sdmmc_get_clkcon(sdmmc);
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_sdmmc_commit_changes(sdmmc);
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u32 timeout = get_tmr_ms() + 2000;
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while (!(sdmmc->regs->prnsts & SDHCI_DATA_0_LVL_MASK))
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@ -536,16 +563,19 @@ static int _sdmmc_setup_read_small_block(sdmmc_t *sdmmc)
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{
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case SDMMC_BUS_WIDTH_1:
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return 0;
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break;
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case SDMMC_BUS_WIDTH_4:
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sdmmc->regs->blksize = 64;
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break;
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case SDMMC_BUS_WIDTH_8:
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sdmmc->regs->blksize = 128;
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break;
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}
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sdmmc->regs->blkcnt = 1;
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sdmmc->regs->trnmod = SDHCI_TRNS_READ;
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return 1;
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}
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@ -557,6 +587,7 @@ static int _sdmmc_send_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, bool is_data_presen
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{
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case SDMMC_RSP_TYPE_0:
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break;
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case SDMMC_RSP_TYPE_1:
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case SDMMC_RSP_TYPE_4:
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case SDMMC_RSP_TYPE_5:
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@ -565,15 +596,17 @@ static int _sdmmc_send_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, bool is_data_presen
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else
|
||||
cmdflags = SDHCI_CMD_RESP_LEN48 | SDHCI_CMD_INDEX | SDHCI_CMD_CRC;
|
||||
break;
|
||||
|
||||
case SDMMC_RSP_TYPE_2:
|
||||
cmdflags = SDHCI_CMD_RESP_LEN136 | SDHCI_CMD_CRC;
|
||||
break;
|
||||
|
||||
case SDMMC_RSP_TYPE_3:
|
||||
cmdflags = SDHCI_CMD_RESP_LEN48;
|
||||
break;
|
||||
|
||||
default:
|
||||
return 0;
|
||||
break;
|
||||
}
|
||||
|
||||
if (is_data_present)
|
||||
|
|
@ -596,7 +629,7 @@ static void _sdmmc_send_tuning_cmd(sdmmc_t *sdmmc, u32 cmd)
|
|||
|
||||
static int _sdmmc_tuning_execute_once(sdmmc_t *sdmmc, u32 cmd)
|
||||
{
|
||||
if (sdmmc->auto_cal_enabled)
|
||||
if (sdmmc->powersave_enabled)
|
||||
return 0;
|
||||
if (!_sdmmc_wait_cmd_data_inhibit(sdmmc, true))
|
||||
return 0;
|
||||
|
|
@ -608,13 +641,13 @@ static int _sdmmc_tuning_execute_once(sdmmc_t *sdmmc, u32 cmd)
|
|||
sdmmc->regs->clkcon &= ~SDHCI_CLOCK_CARD_EN;
|
||||
|
||||
_sdmmc_send_tuning_cmd(sdmmc, cmd);
|
||||
_sdmmc_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
usleep(1);
|
||||
|
||||
_sdmmc_reset(sdmmc);
|
||||
|
||||
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
|
||||
_sdmmc_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
|
||||
u32 timeout = get_tmr_us() + 5000;
|
||||
while (get_tmr_us() < timeout)
|
||||
|
|
@ -623,7 +656,7 @@ 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_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
usleep((1000 * 8 + sdmmc->divisor - 1) / sdmmc->divisor);
|
||||
return 1;
|
||||
}
|
||||
|
|
@ -632,7 +665,7 @@ static int _sdmmc_tuning_execute_once(sdmmc_t *sdmmc, u32 cmd)
|
|||
_sdmmc_reset(sdmmc);
|
||||
|
||||
sdmmc->regs->norintstsen &= ~SDHCI_INT_DATA_AVAIL;
|
||||
_sdmmc_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
usleep((1000 * 8 + sdmmc->divisor - 1) / sdmmc->divisor);
|
||||
|
||||
return 0;
|
||||
|
|
@ -651,15 +684,18 @@ int sdmmc_tuning_execute(sdmmc_t *sdmmc, u32 type, u32 cmd)
|
|||
max = 128;
|
||||
flag = (2 << 13); // 128 iterations.
|
||||
break;
|
||||
|
||||
case SDHCI_TIMING_UHS_SDR50:
|
||||
case SDHCI_TIMING_UHS_DDR50:
|
||||
case SDHCI_TIMING_MMC_DDR52:
|
||||
case SDHCI_TIMING_MMC_HS102:
|
||||
max = 256;
|
||||
flag = (4 << 13); // 256 iterations.
|
||||
break;
|
||||
|
||||
case SDHCI_TIMING_UHS_SDR12:
|
||||
case SDHCI_TIMING_UHS_SDR25:
|
||||
return 1;
|
||||
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -688,7 +724,7 @@ static int _sdmmc_enable_internal_clock(sdmmc_t *sdmmc)
|
|||
{
|
||||
//Enable internal clock and wait till it is stable.
|
||||
sdmmc->regs->clkcon |= SDHCI_CLOCK_INT_EN;
|
||||
_sdmmc_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
u32 timeout = get_tmr_ms() + 2000;
|
||||
while (!(sdmmc->regs->clkcon & SDHCI_CLOCK_INT_STABLE))
|
||||
{
|
||||
|
|
@ -724,17 +760,28 @@ static int _sdmmc_autocal_config_offset(sdmmc_t *sdmmc, u32 power)
|
|||
off_pd = 5;
|
||||
off_pu = 5;
|
||||
break;
|
||||
|
||||
case SDMMC_1:
|
||||
case SDMMC_3:
|
||||
if (power == SDMMC_POWER_1_8)
|
||||
{
|
||||
off_pd = 123;
|
||||
off_pu = 123;
|
||||
if (!sdmmc->t210b01)
|
||||
{
|
||||
off_pd = 123;
|
||||
off_pu = 123;
|
||||
}
|
||||
else
|
||||
{
|
||||
off_pd = 6;
|
||||
off_pu = 6;
|
||||
}
|
||||
}
|
||||
else if (power == SDMMC_POWER_3_3)
|
||||
{
|
||||
off_pd = 125;
|
||||
off_pu = 0;
|
||||
if (!sdmmc->t210b01)
|
||||
{
|
||||
off_pd = 125;
|
||||
off_pu = 0;
|
||||
}
|
||||
}
|
||||
else
|
||||
return 0;
|
||||
|
|
@ -764,7 +811,7 @@ static int _sdmmc_check_mask_interrupt(sdmmc_t *sdmmc, u16 *pout, u16 mask)
|
|||
u16 norintsts = sdmmc->regs->norintsts;
|
||||
u16 errintsts = sdmmc->regs->errintsts;
|
||||
|
||||
DPRINTF("norintsts %08X; errintsts %08X\n", norintsts, errintsts);
|
||||
DPRINTF("norintsts %08X, errintsts %08X\n", norintsts, errintsts);
|
||||
|
||||
if (pout)
|
||||
*pout = norintsts;
|
||||
|
|
@ -772,6 +819,9 @@ DPRINTF("norintsts %08X; errintsts %08X\n", norintsts, errintsts);
|
|||
// Check for error interrupt.
|
||||
if (norintsts & SDHCI_INT_ERROR)
|
||||
{
|
||||
#ifdef ERROR_EXTRA_PRINTING
|
||||
EPRINTFARGS("SDMMC: norintsts %08X, errintsts %08X\n", norintsts, errintsts);
|
||||
#endif
|
||||
sdmmc->regs->errintsts = errintsts;
|
||||
return SDMMC_MASKINT_ERROR;
|
||||
}
|
||||
|
|
@ -786,7 +836,7 @@ DPRINTF("norintsts %08X; errintsts %08X\n", norintsts, errintsts);
|
|||
|
||||
static int _sdmmc_wait_response(sdmmc_t *sdmmc)
|
||||
{
|
||||
_sdmmc_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
|
||||
u32 timeout = get_tmr_ms() + 2000;
|
||||
while (true)
|
||||
|
|
@ -837,7 +887,7 @@ int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp)
|
|||
return 0;
|
||||
|
||||
// Recalibrate periodically for SDMMC1.
|
||||
if ((sdmmc->id == SDMMC_1) && sdmmc->auto_cal_enabled)
|
||||
if (sdmmc->manual_cal && sdmmc->powersave_enabled)
|
||||
_sdmmc_autocal_execute(sdmmc, sdmmc_get_io_power(sdmmc));
|
||||
|
||||
bool should_disable_sd_clock = false;
|
||||
|
|
@ -845,7 +895,7 @@ int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp)
|
|||
{
|
||||
should_disable_sd_clock = true;
|
||||
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
|
||||
_sdmmc_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
|
||||
}
|
||||
|
||||
|
|
@ -963,8 +1013,6 @@ static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_
|
|||
|
||||
is_data_present = true;
|
||||
}
|
||||
else
|
||||
is_data_present = false;
|
||||
|
||||
_sdmmc_enable_interrupts(sdmmc);
|
||||
|
||||
|
|
@ -983,7 +1031,7 @@ static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_
|
|||
EPRINTF("SDMMC: Transfer timeout!");
|
||||
#endif
|
||||
}
|
||||
DPRINTF("rsp(%d): %08X, %08X, %08X, %08X\n", result,
|
||||
DPRINTF("rsp(%d): %08X, %08X, %08X, %08X\n", result,
|
||||
sdmmc->regs->rspreg0, sdmmc->regs->rspreg1, sdmmc->regs->rspreg2, sdmmc->regs->rspreg3);
|
||||
if (result)
|
||||
{
|
||||
|
|
@ -994,7 +1042,7 @@ static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_
|
|||
if (!result)
|
||||
{
|
||||
#ifdef ERROR_EXTRA_PRINTING
|
||||
EPRINTFARGS("SDMMC: Unknown response %08X!", sdmmc->rsp[0]);
|
||||
EPRINTF("SDMMC: Unknown response type!");
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
|
@ -1004,7 +1052,7 @@ static int _sdmmc_execute_cmd_inner(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_
|
|||
if (!result)
|
||||
{
|
||||
#ifdef ERROR_EXTRA_PRINTING
|
||||
EPRINTF("SDMMC: DMA Update failed!");
|
||||
EPRINTFARGS("SDMMC: DMA Update failed (%08X)!", result);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
|
@ -1047,7 +1095,56 @@ bool sdmmc_get_sd_inserted()
|
|||
return (!gpio_read(GPIO_PORT_Z, GPIO_PIN_1));
|
||||
}
|
||||
|
||||
static int _sdmmc_config_sdmmc1()
|
||||
static void _sdmmc_config_sdmmc1_schmitt()
|
||||
{
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_CLK) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_CMD) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT3) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT2) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT1) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT0) |= PINMUX_SCHMT;
|
||||
}
|
||||
|
||||
static void _sdmmc_config_sdmmc2_schmitt()
|
||||
{
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC2_CLK) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC2_CMD) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC2_DAT7) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC2_DAT6) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC2_DAT5) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC2_DAT4) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC2_DAT3) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC2_DAT2) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC2_DAT1) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC2_DAT0) |= PINMUX_SCHMT;
|
||||
}
|
||||
|
||||
static void _sdmmc_config_sdmmc1_pads(bool discharge)
|
||||
{
|
||||
u32 sdmmc1_pin_mask = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5;
|
||||
|
||||
// Set values for Reset state.
|
||||
u32 function = GPIO_MODE_SPIO;
|
||||
u32 level = GPIO_LOW;
|
||||
u32 output = GPIO_OUTPUT_DISABLE;
|
||||
|
||||
// Set values for dicharging.
|
||||
if (discharge)
|
||||
{
|
||||
function = GPIO_MODE_GPIO;
|
||||
level = GPIO_HIGH;
|
||||
output = GPIO_OUTPUT_ENABLE;
|
||||
}
|
||||
|
||||
// Set all pads function.
|
||||
gpio_config(GPIO_PORT_M, sdmmc1_pin_mask, function);
|
||||
// Set all pads output level.
|
||||
gpio_write(GPIO_PORT_M, sdmmc1_pin_mask, level);
|
||||
// Set all pads output.
|
||||
gpio_output_enable(GPIO_PORT_M, sdmmc1_pin_mask, output);
|
||||
}
|
||||
|
||||
static int _sdmmc_config_sdmmc1(bool t210b01)
|
||||
{
|
||||
// Configure SD card detect.
|
||||
PINMUX_AUX(PINMUX_AUX_GPIO_PZ1) = PINMUX_INPUT_ENABLE | PINMUX_PULL_UP | 2; // GPIO control, pull up.
|
||||
|
|
@ -1062,74 +1159,101 @@ static int _sdmmc_config_sdmmc1()
|
|||
|
||||
/*
|
||||
* Pinmux config:
|
||||
* DRV_TYPE = DRIVE_2X
|
||||
* DRV_TYPE = DRIVE_2X (for 33 Ohm driver)
|
||||
* E_SCHMT = ENABLE (for 1.8V), DISABLE (for 3.3V)
|
||||
* E_INPUT = ENABLE
|
||||
* TRISTATE = PASSTHROUGH
|
||||
* APB_MISC_GP_SDMMCx_CLK_LPBK_CONTROL = SDMMCx_CLK_PAD_E_LPBK for CLK
|
||||
*/
|
||||
|
||||
// Configure SDMMC1 pinmux.
|
||||
APB_MISC(APB_MISC_GP_SDMMC1_CLK_LPBK_CONTROL) = 1; // Enable deep loopback for SDMMC1 CLK pad.
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_CLK) = PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | PINMUX_PARKED;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_CMD) = PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | PINMUX_PARKED | PINMUX_PULL_UP;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT3) = PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | PINMUX_PARKED | PINMUX_PULL_UP;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT2) = PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | PINMUX_PARKED | PINMUX_PULL_UP;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT1) = PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | PINMUX_PARKED | PINMUX_PULL_UP;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT0) = PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | PINMUX_PARKED | PINMUX_PULL_UP;
|
||||
// Enable deep loopback for SDMMC1 CLK pad.
|
||||
APB_MISC(APB_MISC_GP_SDMMC1_CLK_LPBK_CONTROL) = 1;
|
||||
|
||||
// Configure SDMMC1 CLK pinmux, based on state and SoC type.
|
||||
if (PINMUX_AUX(PINMUX_AUX_SDMMC1_CLK) != (PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | PINMUX_PULL_DOWN)) // Check if CLK pad is already configured.
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_CLK) = PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | (t210b01 ? PINMUX_PULL_NONE : PINMUX_PULL_DOWN);
|
||||
|
||||
// Configure reset state of SDMMC1 pins pinmux.
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_CMD) = PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | PINMUX_PULL_UP;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT3) = PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | PINMUX_PULL_UP;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT2) = PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | PINMUX_PULL_UP;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT1) = PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | PINMUX_PULL_UP;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT0) = PINMUX_DRIVE_2X | PINMUX_INPUT_ENABLE | PINMUX_PULL_UP;
|
||||
|
||||
// Force schmitt trigger for T210B01.
|
||||
if (t210b01)
|
||||
_sdmmc_config_sdmmc1_schmitt();
|
||||
|
||||
// Make sure the SDMMC1 controller is powered.
|
||||
PMC(APBDEV_PMC_NO_IOPOWER) |= PMC_NO_IOPOWER_SDMMC1_IO_EN;
|
||||
usleep(1000);
|
||||
PMC(APBDEV_PMC_NO_IOPOWER) &= ~(PMC_NO_IOPOWER_SDMMC1_IO_EN);
|
||||
(void)PMC(APBDEV_PMC_NO_IOPOWER); // Commit write.
|
||||
|
||||
// Inform IO pads that voltage is gonna be 3.3V.
|
||||
PMC(APBDEV_PMC_PWR_DET_VAL) |= PMC_PWR_DET_SDMMC1_IO_EN;
|
||||
(void)PMC(APBDEV_PMC_PWR_DET_VAL); // Commit write.
|
||||
|
||||
// Set enable SD card power.
|
||||
PINMUX_AUX(PINMUX_AUX_DMIC3_CLK) = PINMUX_PULL_DOWN | 2; // Pull down.
|
||||
gpio_config(GPIO_PORT_E, GPIO_PIN_4, GPIO_MODE_GPIO);
|
||||
gpio_write(GPIO_PORT_E, GPIO_PIN_4, GPIO_HIGH);
|
||||
gpio_output_enable(GPIO_PORT_E, GPIO_PIN_4, GPIO_OUTPUT_ENABLE);
|
||||
usleep(1000);
|
||||
usleep(10000);
|
||||
|
||||
// Enable SD card power.
|
||||
// Enable SD card IO power.
|
||||
max77620_regulator_set_voltage(REGULATOR_LDO2, 3300000);
|
||||
max77620_regulator_enable(REGULATOR_LDO2, 1);
|
||||
usleep(1000);
|
||||
|
||||
// Set pad slew codes to get good quality clock.
|
||||
APB_MISC(APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL) = (APB_MISC(APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL) & 0xFFFFFFF) | 0x50000000;
|
||||
usleep(1000);
|
||||
if (!t210b01)
|
||||
{
|
||||
APB_MISC(APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL) = (APB_MISC(APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL) & 0xFFFFFFF) | 0x50000000;
|
||||
(void)APB_MISC(APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL); // Commit write.
|
||||
usleep(1000);
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void _sdmmc_config_emmc(u32 id)
|
||||
static void _sdmmc_config_emmc(u32 id, bool t210b01)
|
||||
{
|
||||
switch (id)
|
||||
{
|
||||
case SDMMC_2:
|
||||
// Unset park for pads.
|
||||
APB_MISC(APB_MISC_GP_EMMC2_PAD_CFGPADCTRL) &= 0xF8003FFF;
|
||||
if (!t210b01)
|
||||
{
|
||||
// Unset park for pads.
|
||||
APB_MISC(APB_MISC_GP_EMMC2_PAD_CFGPADCTRL) &= 0xF8003FFF;
|
||||
(void)APB_MISC(APB_MISC_GP_EMMC2_PAD_CFGPADCTRL); // Commit write.
|
||||
}
|
||||
else // Enable schmitt trigger for T210B01.
|
||||
_sdmmc_config_sdmmc2_schmitt();
|
||||
break;
|
||||
|
||||
case SDMMC_4:
|
||||
// Unset park for pads.
|
||||
APB_MISC(APB_MISC_GP_EMMC4_PAD_CFGPADCTRL) &= 0xF8003FFF;
|
||||
// Set default pad cfg.
|
||||
APB_MISC(APB_MISC_GP_EMMC4_PAD_CFGPADCTRL) = (APB_MISC(APB_MISC_GP_EMMC4_PAD_CFGPADCTRL) & 0xFFFFC003) | 0x1040;
|
||||
|
||||
// Enabled schmitt trigger.
|
||||
APB_MISC(APB_MISC_GP_EMMC4_PAD_CFGPADCTRL) |= 1; // Enable Schmitt trigger.
|
||||
if (t210b01)
|
||||
APB_MISC(APB_MISC_GP_EMMC4_PAD_PUPD_CFGPADCTRL) &= 0xFFBFFFF9; // Unset CMD/CLK/DQS powedown.
|
||||
// Enable schmitt trigger.
|
||||
APB_MISC(APB_MISC_GP_EMMC4_PAD_CFGPADCTRL) |= 1;
|
||||
(void)APB_MISC(APB_MISC_GP_EMMC4_PAD_CFGPADCTRL); // Commit write.
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int auto_cal_enable)
|
||||
int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int powersave_enable)
|
||||
{
|
||||
const u32 trim_values[] = { 2, 8, 3, 8 };
|
||||
u32 clock;
|
||||
u16 divisor;
|
||||
u8 vref_sel = 7;
|
||||
|
||||
if (id > SDMMC_4)
|
||||
const u32 trim_values_t210[] = { 2, 8, 3, 8 };
|
||||
const u32 trim_values_t210b01[] = { 14, 13, 15, 13 };
|
||||
const u32 *trim_values = sdmmc->t210b01 ? trim_values_t210b01 : trim_values_t210;
|
||||
|
||||
if (id > SDMMC_4 || id == SDMMC_3)
|
||||
return 0;
|
||||
|
||||
memset(sdmmc, 0, sizeof(sdmmc_t));
|
||||
|
|
@ -1137,45 +1261,57 @@ int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int a
|
|||
sdmmc->regs = (t210_sdmmc_t *)_sdmmc_bases[id];
|
||||
sdmmc->id = id;
|
||||
sdmmc->clock_stopped = 1;
|
||||
sdmmc->t210b01 = hw_get_chip_id() == GP_HIDREV_MAJOR_T210B01;
|
||||
|
||||
// Do specific SDMMC HW configuration.
|
||||
switch (id)
|
||||
{
|
||||
case SDMMC_1:
|
||||
if (!_sdmmc_config_sdmmc1())
|
||||
if (!_sdmmc_config_sdmmc1(sdmmc->t210b01))
|
||||
return 0;
|
||||
if (sdmmc->t210b01)
|
||||
vref_sel = 0;
|
||||
else
|
||||
sdmmc->manual_cal = 1;
|
||||
break;
|
||||
|
||||
case SDMMC_2:
|
||||
case SDMMC_4:
|
||||
_sdmmc_config_emmc(id);
|
||||
_sdmmc_config_emmc(id, sdmmc->t210b01);
|
||||
break;
|
||||
}
|
||||
|
||||
// Disable clock if enabled.
|
||||
if (clock_sdmmc_is_not_reset_and_enabled(id))
|
||||
{
|
||||
_sdmmc_sd_clock_disable(sdmmc);
|
||||
_sdmmc_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
}
|
||||
|
||||
u32 clock;
|
||||
u16 divisor;
|
||||
// Configure and enable selected clock.
|
||||
clock_sdmmc_get_card_clock_div(&clock, &divisor, type);
|
||||
clock_sdmmc_enable(id, clock);
|
||||
|
||||
// Make sure all sdmmc registers are reset.
|
||||
_sdmmc_reset_all(sdmmc);
|
||||
|
||||
sdmmc->clock_stopped = 0;
|
||||
|
||||
//TODO: make this skip-able.
|
||||
// Set default pad IO trimming configuration.
|
||||
sdmmc->regs->iospare |= 0x80000; // Enable muxing.
|
||||
sdmmc->regs->veniotrimctl &= 0xFFFFFFFB; // Set Band Gap VREG to supply DLL.
|
||||
sdmmc->regs->venclkctl = (sdmmc->regs->venclkctl & 0xE0FFFFFB) | (trim_values[sdmmc->id] << 24);
|
||||
sdmmc->regs->sdmemcmppadctl =
|
||||
(sdmmc->regs->sdmemcmppadctl & TEGRA_MMC_SDMEMCOMPPADCTRL_COMP_VREF_SEL_MASK) | 7;
|
||||
(sdmmc->regs->sdmemcmppadctl & TEGRA_MMC_SDMEMCOMPPADCTRL_COMP_VREF_SEL_MASK) | vref_sel;
|
||||
|
||||
// Configure auto calibration values.
|
||||
if (!_sdmmc_autocal_config_offset(sdmmc, power))
|
||||
return 0;
|
||||
|
||||
// Calibrate pads.
|
||||
_sdmmc_autocal_execute(sdmmc, power);
|
||||
|
||||
// Enable internal clock and power.
|
||||
if (_sdmmc_enable_internal_clock(sdmmc))
|
||||
{
|
||||
sdmmc_set_bus_width(sdmmc, bus_width);
|
||||
|
|
@ -1183,18 +1319,63 @@ int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type, int a
|
|||
|
||||
if (sdmmc_setup_clock(sdmmc, type))
|
||||
{
|
||||
sdmmc_card_clock_ctrl(sdmmc, auto_cal_enable);
|
||||
sdmmc_card_clock_powersave(sdmmc, powersave_enable);
|
||||
_sdmmc_card_clock_enable(sdmmc);
|
||||
_sdmmc_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void sdmmc1_disable_power()
|
||||
{
|
||||
// Ensure regulator is into default voltage.
|
||||
if (PMC(APBDEV_PMC_PWR_DET_VAL) & PMC_PWR_DET_SDMMC1_IO_EN)
|
||||
{
|
||||
// Switch to 1.8V and wait for regulator to stabilize.
|
||||
max77620_regulator_set_voltage(REGULATOR_LDO2, 1800000);
|
||||
usleep(150);
|
||||
|
||||
// Inform IO pads that we switched to 1.8V.
|
||||
PMC(APBDEV_PMC_PWR_DET_VAL) &= ~(PMC_PWR_DET_SDMMC1_IO_EN);
|
||||
(void)PMC(APBDEV_PMC_PWR_DET_VAL); // Commit write.
|
||||
}
|
||||
|
||||
// T210B01 WAR: Clear pull down from CLK pad.
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_CLK) &= ~PINMUX_PULL_MASK;
|
||||
|
||||
// T210B01 WAR: Set pads to discharge state.
|
||||
_sdmmc_config_sdmmc1_pads(true);
|
||||
|
||||
// Disable SD card IO power regulator.
|
||||
max77620_regulator_enable(REGULATOR_LDO2, 0);
|
||||
usleep(4000);
|
||||
|
||||
// Disable SD card IO power pin.
|
||||
gpio_write(GPIO_PORT_E, GPIO_PIN_4, GPIO_LOW);
|
||||
|
||||
// T210/T210B01 WAR: Set start timer for IO and Controller power discharge.
|
||||
sd_power_cycle_time_start = get_tmr_ms();
|
||||
usleep(1000); // To power cycle, min 1ms without power is needed.
|
||||
|
||||
// Disable SDMMC1 controller power.
|
||||
PMC(APBDEV_PMC_NO_IOPOWER) |= PMC_NO_IOPOWER_SDMMC1_IO_EN;
|
||||
(void)PMC(APBDEV_PMC_NO_IOPOWER); // Commit write.
|
||||
|
||||
// Inform IO pads that next voltage might be 3.3V.
|
||||
PMC(APBDEV_PMC_PWR_DET_VAL) |= PMC_PWR_DET_SDMMC1_IO_EN;
|
||||
(void)PMC(APBDEV_PMC_PWR_DET_VAL); // Commit write.
|
||||
|
||||
// T210B01 WAR: Restore pads to reset state.
|
||||
_sdmmc_config_sdmmc1_pads(false);
|
||||
|
||||
// T210B01 WAR: Restore pull down to CLK pad.
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_CLK) |= PINMUX_PULL_DOWN;
|
||||
}
|
||||
|
||||
void sdmmc_end(sdmmc_t *sdmmc)
|
||||
{
|
||||
if (!sdmmc->clock_stopped)
|
||||
|
|
@ -1205,18 +1386,9 @@ void sdmmc_end(sdmmc_t *sdmmc)
|
|||
|
||||
// Disable SD card power.
|
||||
if (sdmmc->id == SDMMC_1)
|
||||
{
|
||||
gpio_output_enable(GPIO_PORT_E, GPIO_PIN_4, GPIO_OUTPUT_DISABLE);
|
||||
max77620_regulator_enable(REGULATOR_LDO2, 0);
|
||||
sdmmc1_disable_power();
|
||||
|
||||
// Inform IO pads that next voltage might be 3.3V.
|
||||
PMC(APBDEV_PMC_PWR_DET_VAL) |= PMC_PWR_DET_SDMMC1_IO_EN;
|
||||
|
||||
sd_power_cycle_time_start = get_tmr_ms(); // Some SanDisk U1 cards need 100ms for a power cycle.
|
||||
usleep(1000); // To power cycle, min 1ms without power is needed.
|
||||
}
|
||||
|
||||
_sdmmc_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
clock_sdmmc_disable(sdmmc->id);
|
||||
sdmmc->clock_stopped = 1;
|
||||
}
|
||||
|
|
@ -1236,7 +1408,7 @@ int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *b
|
|||
return 0;
|
||||
|
||||
// Recalibrate periodically for SDMMC1.
|
||||
if (sdmmc->id == SDMMC_1 && sdmmc->auto_cal_enabled)
|
||||
if (sdmmc->manual_cal && sdmmc->powersave_enabled)
|
||||
_sdmmc_autocal_execute(sdmmc, sdmmc_get_io_power(sdmmc));
|
||||
|
||||
int should_disable_sd_clock = 0;
|
||||
|
|
@ -1244,7 +1416,7 @@ 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_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
usleep((8000 + sdmmc->divisor - 1) / sdmmc->divisor);
|
||||
}
|
||||
|
||||
|
|
@ -1265,36 +1437,32 @@ int sdmmc_enable_low_voltage(sdmmc_t *sdmmc)
|
|||
if (!sdmmc_setup_clock(sdmmc, SDHCI_TIMING_UHS_SDR12))
|
||||
return 0;
|
||||
|
||||
_sdmmc_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
|
||||
// Switch to 1.8V and wait for regulator to stabilize. Assume max possible wait needed.
|
||||
max77620_regulator_set_voltage(REGULATOR_LDO2, 1800000);
|
||||
usleep(300);
|
||||
usleep(150);
|
||||
|
||||
// Inform IO pads that we switched to 1.8V.
|
||||
PMC(APBDEV_PMC_PWR_DET_VAL) &= ~(PMC_PWR_DET_SDMMC1_IO_EN);
|
||||
(void)PMC(APBDEV_PMC_PWR_DET_VAL); // Commit write.
|
||||
|
||||
// Enable schmitt trigger for better duty cycle and low jitter clock.
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_CLK) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_CMD) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT3) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT2) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT1) |= PINMUX_SCHMT;
|
||||
PINMUX_AUX(PINMUX_AUX_SDMMC1_DAT0) |= PINMUX_SCHMT;
|
||||
_sdmmc_config_sdmmc1_schmitt();
|
||||
|
||||
_sdmmc_autocal_config_offset(sdmmc, SDMMC_POWER_1_8);
|
||||
_sdmmc_autocal_execute(sdmmc, SDMMC_POWER_1_8);
|
||||
_sdmmc_set_io_power(sdmmc, SDMMC_POWER_1_8);
|
||||
_sdmmc_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
msleep(5); // Wait minimum 5ms before turning on the card clock.
|
||||
|
||||
// Turn on SDCLK.
|
||||
if (sdmmc->regs->hostctl2 & SDHCI_CTRL_VDD_180)
|
||||
{
|
||||
sdmmc->regs->clkcon |= SDHCI_CLOCK_CARD_EN;
|
||||
_sdmmc_get_clkcon(sdmmc);
|
||||
_sdmmc_commit_changes(sdmmc);
|
||||
usleep(1000);
|
||||
if ((sdmmc->regs->prnsts & 0xF00000) == 0xF00000)
|
||||
if ((sdmmc->regs->prnsts & SDHCI_DATA_LVL_MASK) == SDHCI_DATA_LVL_MASK)
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue