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-rw-r--r--board/nvidia/cardhu/cardhu.c57
-rw-r--r--board/nvidia/cardhu/cardhu.c.mmc151
-rw-r--r--board/nvidia/cardhu/pinmux-config-cardhu.h21
3 files changed, 75 insertions, 154 deletions
diff --git a/board/nvidia/cardhu/cardhu.c b/board/nvidia/cardhu/cardhu.c
index df4cb6b728..3544b41cd0 100644
--- a/board/nvidia/cardhu/cardhu.c
+++ b/board/nvidia/cardhu/cardhu.c
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2010-2012
+ * (C) Copyright 2010-2013
* NVIDIA Corporation <www.nvidia.com>
*
* See file CREDITS for list of people who contributed to this
@@ -23,7 +23,12 @@
#include <common.h>
#include <asm/arch/pinmux.h>
+#include <asm/arch/gp_padctrl.h>
#include "pinmux-config-cardhu.h"
+#include <i2c.h>
+
+#define PMU_I2C_ADDRESS 0x2D
+#define MAX_I2C_RETRY 3
/*
* Routine: pinmux_init
@@ -36,4 +41,54 @@ void pinmux_init(void)
pinmux_config_table(unused_pins_lowpower,
ARRAY_SIZE(unused_pins_lowpower));
+
+ /* Initialize any non-default pad configs (APB_MISC_GP regs) */
+ padgrp_config_table(cardhu_padctrl, ARRAY_SIZE(cardhu_padctrl));
+}
+
+#if defined(CONFIG_TEGRA_MMC)
+/*
+ * Do I2C/PMU writes to bring up SD card bus power
+ *
+ */
+void board_sdmmc_voltage_init(void)
+{
+ uchar reg, data_buffer[1];
+ int i;
+
+ i2c_set_bus_num(0); /* PMU is on bus 0 */
+
+ /* TPS659110: LDO5_REG = 3.3v, ACTIVE to SDMMC1 */
+ 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);
+ }
+
+ /* TPS659110: GPIO7_REG = PDEN, output a 1 to EN_3V3_SYS */
+ 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);
+ }
+}
+
+/*
+ * Routine: pin_mux_mmc
+ * Description: setup the MMC muxes, power rails, etc.
+ */
+void pin_mux_mmc(void)
+{
+ /*
+ * NOTE: We don't do mmc-specific pin muxes here.
+ * They were done globally in pinmux_init().
+ */
+
+ /* Bring up the SDIO1 power rail */
+ board_sdmmc_voltage_init();
}
+#endif /* MMC */
diff --git a/board/nvidia/cardhu/cardhu.c.mmc b/board/nvidia/cardhu/cardhu.c.mmc
deleted file mode 100644
index 9e83b6fc00..0000000000
--- 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 */
diff --git a/board/nvidia/cardhu/pinmux-config-cardhu.h b/board/nvidia/cardhu/pinmux-config-cardhu.h
index 8428bba783..51d2b9425c 100644
--- a/board/nvidia/cardhu/pinmux-config-cardhu.h
+++ b/board/nvidia/cardhu/pinmux-config-cardhu.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -53,6 +53,18 @@
.ioreset = PMUX_PIN_IO_RESET_##_ioreset \
}
+#define DEFAULT_PADCFG(_padgrp, _slwf, _slwr, _drvup, _drvdn, _lpmd, _schmt, _hsm) \
+ { \
+ .padgrp = PDRIVE_PINGROUP_##_padgrp, \
+ .slwf = _slwf, \
+ .slwr = _slwr, \
+ .drvup = _drvup, \
+ .drvdn = _drvdn, \
+ .lpmd = PGRP_LPMD_##_lpmd, \
+ .schmt = PGRP_SCHMT_##_schmt, \
+ .hsm = PGRP_HSM_##_hsm, \
+ }
+
static struct pingroup_config tegra3_pinmux_common[] = {
/* SDMMC1 pinmux */
DEFAULT_PINMUX(SDMMC1_CLK, SDMMC1, NORMAL, NORMAL, INPUT),
@@ -326,4 +338,9 @@ static struct pingroup_config unused_pins_lowpower[] = {
DEFAULT_PINMUX(GMI_DQS, NAND, NORMAL, TRISTATE, OUTPUT),
};
-#endif /* _PINMUX_CONFIG_CARDHU_H_ */
+static struct padctrl_config cardhu_padctrl[] = {
+ /* (_padgrp, _slwf, _slwr, _drvup, _drvdn, _lpmd, _schmt, _hsm) */
+ DEFAULT_PADCFG(SDIO1, SDIOCFG_DRVUP_SLWF, SDIOCFG_DRVDN_SLWR, \
+ SDIOCFG_DRVUP, SDIOCFG_DRVDN, NONE, DISABLE, DISABLE),
+};
+#endif /* _PINMUX_CONFIG_CARDHU_H_ */
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