diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/nvidia/cardhu/cardhu.c.mmc | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/board/nvidia/cardhu/cardhu.c.mmc b/board/nvidia/cardhu/cardhu.c.mmc deleted file mode 100644 index 9e83b6f..0000000 --- a/board/nvidia/cardhu/cardhu.c.mmc +++ /dev/null @@ -1,151 +0,0 @@ -/* - * (C) Copyright 2010-2012 - * NVIDIA Corporation <www.nvidia.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/pinmux.h> -#include "pinmux-config-cardhu.h" - -#include <asm/arch/clock.h> -#include <asm/arch/gp_padctrl.h> -#include <asm/arch/pmu.h> -#include <asm/arch/sdmmc.h> -#include <asm/arch-tegra/mmc.h> -#include <asm/arch-tegra/tegra_mmc.h> -#include <mmc.h> -#include <i2c.h> - -/* - * Routine: pinmux_init - * Description: Do individual peripheral pinmux configs - */ -void pinmux_init(void) -{ - pinmux_config_table(tegra3_pinmux_common, - ARRAY_SIZE(tegra3_pinmux_common)); - - pinmux_config_table(unused_pins_lowpower, - ARRAY_SIZE(unused_pins_lowpower)); -} - -#if defined(CONFIG_MMC) -/* - * Routine: pin_mux_mmc - * Description: setup the pin muxes/tristate values for the SDMMC(s) - */ -static void pin_mux_mmc(void) -{ -} - -/* Do I2C/PMU writes to bring up SD card bus power */ -static void board_sdmmc_voltage_init(void) -{ - uchar reg, data_buffer[1]; - int i; - - i2c_set_bus_num(0); /* PMU is on bus 0 */ - - data_buffer[0] = 0x65; - reg = 0x32; - - for (i = 0; i < MAX_I2C_RETRY; ++i) { - if (i2c_write(PMU_I2C_ADDRESS, reg, 1, data_buffer, 1)) - udelay(100); - } - - data_buffer[0] = 0x09; - reg = 0x67; - - for (i = 0; i < MAX_I2C_RETRY; ++i) { - if (i2c_write(PMU_I2C_ADDRESS, reg, 1, data_buffer, 1)) - udelay(100); - } -} - -static void pad_init_mmc(struct tegra_mmc *reg) -{ - struct apb_misc_gp_ctlr *const gpc = - (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE; - struct sdmmc_ctlr *const sdmmc = (struct sdmmc_ctlr *)reg; - u32 val, offset = (unsigned int)reg; - u32 padcfg, padmask; - - debug("%s: sdmmc address = %08x\n", __func__, (unsigned int)sdmmc); - - /* Set the pad drive strength for SDMMC1 or 3 only */ - if (offset != TEGRA_SDMMC1_BASE && offset != TEGRA_SDMMC3_BASE) { - debug("%s: settings are only valid for SDMMC1/SDMMC3!\n", - __func__); - return; - } - - /* Set pads as per T30 TRM, section 24.6.1.2 */ - padcfg = (GP_SDIOCFG_DRVUP_SLWF | GP_SDIOCFG_DRVDN_SLWR | \ - GP_SDIOCFG_DRVUP | GP_SDIOCFG_DRVDN); - padmask = 0x00000FFF; - if (offset == TEGRA_SDMMC1_BASE) { - val = readl(&gpc->sdio1cfg); - val &= padmask; - val |= padcfg; - writel(val, &gpc->sdio1cfg); - } else { /* SDMMC3 */ - val = readl(&gpc->sdio3cfg); - val &= padmask; - val |= padcfg; - writel(val, &gpc->sdio3cfg); - } - - val = readl(&sdmmc->sdmmc_sdmemcomp_pad_ctrl); - val &= 0xFFFFFFF0; - val |= MEMCOMP_PADCTRL_VREF; - writel(val, &sdmmc->sdmmc_sdmemcomp_pad_ctrl); - - val = readl(&sdmmc->sdmmc_auto_cal_config); - val &= 0xFFFF0000; - val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED; - writel(val, &sdmmc->sdmmc_auto_cal_config); -} - -/* this is a weak define that we are overriding */ -int board_mmc_init(bd_t *bd) -{ - debug("board_mmc_init called\n"); - - /* Turn on SD-card bus power */ - board_sdmmc_voltage_init(); - - /* Set up the SDMMC pads as per the TRM */ - pad_init_mmc((struct tegra_mmc *)TEGRA_SDMMC1_BASE); - - /* Enable muxes, etc. for SDMMC controllers */ - pin_mux_mmc(); - - /* init dev 0 (SDMMC4), ("HSMMC") with 8-bit bus */ - tegra_mmc_init(0, 8, -1, -1); - - /* init dev 1 (SDMMC0), ("SDIO") with 8-bit bus */ - tegra_mmc_init(1, 8, -1, -1); - - return 0; -} -#endif /* MMC */ |