Tegra30: Cardhu: Remove unneeded cardhu.c.mmc file

This was an older debug/developmental file that got added
accidentally. Not needed/used in any Cardhu build.

Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>

board/nvidia/cardhu/cardhu.c.mmc

@@ -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 */