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authorMarek Vasut <marek.vasut@gmail.com>2011-01-19 04:40:37 +0000
committerAlbert Aribaud <albert.aribaud@free.fr>2011-02-02 00:54:42 +0100
commitd59140170ae7b57c92e3590c359c06201407acf4 (patch)
treedcf5abfcac4bf3552fe166f669d156f3d6e193de /board/efikamx/efikamx.c
parent8a1edd7d54096ed28232a6cfec7288cd0426d988 (diff)
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iMX5: EfikaMX: Preliminary board support
Supported: MMC IDE PMIC SPI flash LEDs I can boot the kernel supplied by freescale/genesi with this from MMC card and/or PATA disk. Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Diffstat (limited to 'board/efikamx/efikamx.c')
-rw-r--r--board/efikamx/efikamx.c689
1 files changed, 689 insertions, 0 deletions
diff --git a/board/efikamx/efikamx.c b/board/efikamx/efikamx.c
new file mode 100644
index 0000000..4efbeaf
--- /dev/null
+++ b/board/efikamx/efikamx.c
@@ -0,0 +1,689 @@
+/*
+ * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * 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/imx-regs.h>
+#include <asm/arch/mx5x_pins.h>
+#include <asm/arch/iomux.h>
+#include <mxc_gpio.h>
+#include <asm/errno.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/crm_regs.h>
+#include <i2c.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <fsl_pmic.h>
+#include <mc13892.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Compile-time error checking
+ */
+#ifndef CONFIG_MXC_SPI
+#error "CONFIG_MXC_SPI not set, this is essential for board's operation!"
+#endif
+
+/*
+ * Shared variables / local defines
+ */
+/* LED */
+#define EFIKAMX_LED_BLUE 0x1
+#define EFIKAMX_LED_GREEN 0x2
+#define EFIKAMX_LED_RED 0x4
+
+void efikamx_toggle_led(uint32_t mask);
+
+/* Board revisions */
+#define EFIKAMX_BOARD_REV_11 0x1
+#define EFIKAMX_BOARD_REV_12 0x2
+#define EFIKAMX_BOARD_REV_13 0x3
+#define EFIKAMX_BOARD_REV_14 0x4
+
+/*
+ * Board identification
+ */
+u32 get_efika_rev(void)
+{
+ u32 rev = 0;
+ /*
+ * Retrieve board ID:
+ * rev1.1: 1,1,1
+ * rev1.2: 1,1,0
+ * rev1.3: 1,0,1
+ * rev1.4: 1,0,0
+ */
+ mxc_request_iomux(MX51_PIN_NANDF_CS0, IOMUX_CONFIG_GPIO);
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0),
+ MXC_GPIO_DIRECTION_OUT);
+ /* set to 1 in order to get correct value on board rev1.1 */
+ mxc_gpio_set(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0), 1);
+
+ mxc_request_iomux(MX51_PIN_NANDF_CS0, IOMUX_CONFIG_GPIO);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_CS0, PAD_CTL_100K_PU);
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0),
+ MXC_GPIO_DIRECTION_IN);
+ rev |= (!!mxc_gpio_get(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0))) << 0;
+
+ mxc_request_iomux(MX51_PIN_NANDF_CS1, IOMUX_CONFIG_GPIO);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_CS1, PAD_CTL_100K_PU);
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS1),
+ MXC_GPIO_DIRECTION_IN);
+ rev |= (!!mxc_gpio_get(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS1))) << 1;
+
+ mxc_request_iomux(MX51_PIN_NANDF_RB3, IOMUX_CONFIG_GPIO);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_RB3, PAD_CTL_100K_PU);
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_NANDF_RB3),
+ MXC_GPIO_DIRECTION_IN);
+ rev |= (!!mxc_gpio_get(IOMUX_TO_GPIO(MX51_PIN_NANDF_RB3))) << 2;
+
+ return (~rev & 0x7) + 1;
+}
+
+u32 get_board_rev(void)
+{
+ return get_cpu_rev() | (get_efika_rev() << 8);
+}
+
+/*
+ * DRAM initialization
+ */
+int dram_init(void)
+{
+ /* dram_init must store complete ramsize in gd->ram_size */
+ gd->ram_size = get_ram_size((volatile void *)CONFIG_SYS_SDRAM_BASE,
+ PHYS_SDRAM_1_SIZE);
+ return 0;
+}
+
+/*
+ * UART configuration
+ */
+static void setup_iomux_uart(void)
+{
+ unsigned int pad = PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE |
+ PAD_CTL_PUE_PULL | PAD_CTL_DRV_HIGH;
+
+ mxc_request_iomux(MX51_PIN_UART1_RXD, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_UART1_RXD, pad | PAD_CTL_SRE_FAST);
+ mxc_request_iomux(MX51_PIN_UART1_TXD, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_UART1_TXD, pad | PAD_CTL_SRE_FAST);
+ mxc_request_iomux(MX51_PIN_UART1_RTS, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_UART1_RTS, pad);
+ mxc_request_iomux(MX51_PIN_UART1_CTS, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_UART1_CTS, pad);
+}
+
+/*
+ * SPI configuration
+ */
+#ifdef CONFIG_MXC_SPI
+static void setup_iomux_spi(void)
+{
+ /* 000: Select mux mode: ALT0 mux port: MOSI of instance: ecspi1 */
+ mxc_request_iomux(MX51_PIN_CSPI1_MOSI, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_CSPI1_MOSI,
+ PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+
+ /* 000: Select mux mode: ALT0 mux port: MISO of instance: ecspi1. */
+ mxc_request_iomux(MX51_PIN_CSPI1_MISO, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_CSPI1_MISO,
+ PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+
+ /* Configure SS0 as a GPIO */
+ mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_GPIO);
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_CSPI1_SS0),
+ MXC_GPIO_DIRECTION_OUT);
+ mxc_gpio_set(IOMUX_TO_GPIO(MX51_PIN_CSPI1_SS0), 0);
+
+ /* Configure SS1 as a GPIO */
+ mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_GPIO);
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_CSPI1_SS1),
+ MXC_GPIO_DIRECTION_OUT);
+ mxc_gpio_set(IOMUX_TO_GPIO(MX51_PIN_CSPI1_SS1), 1);
+
+ /* 000: Select mux mode: ALT0 mux port: SS2 of instance: ecspi1. */
+ mxc_request_iomux(MX51_PIN_CSPI1_RDY, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_CSPI1_RDY,
+ PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
+
+ /* 000: Select mux mode: ALT0 mux port: SCLK of instance: ecspi1. */
+ mxc_request_iomux(MX51_PIN_CSPI1_SCLK, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_CSPI1_SCLK,
+ PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+}
+#else
+static inline void setup_iomux_spi(void) { }
+#endif
+
+/*
+ * PMIC configuration
+ */
+#ifdef CONFIG_MXC_SPI
+static void power_init(void)
+{
+ unsigned int val;
+ struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
+
+ /* Write needed to Power Gate 2 register */
+ val = pmic_reg_read(REG_POWER_MISC);
+ val &= ~PWGT2SPIEN;
+ pmic_reg_write(REG_POWER_MISC, val);
+
+ /* Externally powered */
+ val = pmic_reg_read(REG_CHARGE);
+ val |= ICHRG0 | ICHRG1 | ICHRG2 | ICHRG3 | CHGAUTOB;
+ pmic_reg_write(REG_CHARGE, val);
+
+ /* power up the system first */
+ pmic_reg_write(REG_POWER_MISC, PWUP);
+
+ /* Set core voltage to 1.1V */
+ val = pmic_reg_read(REG_SW_0);
+ val = (val & ~SWx_VOLT_MASK) | SWx_1_100V;
+ pmic_reg_write(REG_SW_0, val);
+
+ /* Setup VCC (SW2) to 1.25 */
+ val = pmic_reg_read(REG_SW_1);
+ val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
+ pmic_reg_write(REG_SW_1, val);
+
+ /* Setup 1V2_DIG1 (SW3) to 1.25 */
+ val = pmic_reg_read(REG_SW_2);
+ val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
+ pmic_reg_write(REG_SW_2, val);
+ udelay(50);
+
+ /* Raise the core frequency to 800MHz */
+ writel(0x0, &mxc_ccm->cacrr);
+
+ /* Set switchers in Auto in NORMAL mode & STANDBY mode */
+ /* Setup the switcher mode for SW1 & SW2*/
+ val = pmic_reg_read(REG_SW_4);
+ val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) |
+ (SWMODE_MASK << SWMODE2_SHIFT)));
+ val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) |
+ (SWMODE_AUTO_AUTO << SWMODE2_SHIFT);
+ pmic_reg_write(REG_SW_4, val);
+
+ /* Setup the switcher mode for SW3 & SW4 */
+ val = pmic_reg_read(REG_SW_5);
+ val = (val & ~((SWMODE_MASK << SWMODE3_SHIFT) |
+ (SWMODE_MASK << SWMODE4_SHIFT)));
+ val |= (SWMODE_AUTO_AUTO << SWMODE3_SHIFT) |
+ (SWMODE_AUTO_AUTO << SWMODE4_SHIFT);
+ pmic_reg_write(REG_SW_5, val);
+
+ /* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.6V */
+ val = pmic_reg_read(REG_SETTING_0);
+ val &= ~(VCAM_MASK | VGEN3_MASK | VDIG_MASK);
+ val |= VDIG_1_65 | VGEN3_1_8 | VCAM_2_6;
+ pmic_reg_write(REG_SETTING_0, val);
+
+ /* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */
+ val = pmic_reg_read(REG_SETTING_1);
+ val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK);
+ val |= VSD_3_15 | VAUDIO_3_0 | VVIDEO_2_775;
+ pmic_reg_write(REG_SETTING_1, val);
+
+ /* Configure VGEN3 and VCAM regulators to use external PNP */
+ val = VGEN3CONFIG | VCAMCONFIG;
+ pmic_reg_write(REG_MODE_1, val);
+ udelay(200);
+
+ /* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
+ val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
+ VVIDEOEN | VAUDIOEN | VSDEN;
+ pmic_reg_write(REG_MODE_1, val);
+
+ val = pmic_reg_read(REG_POWER_CTL2);
+ val |= WDIRESET;
+ pmic_reg_write(REG_POWER_CTL2, val);
+
+ udelay(2500);
+}
+#else
+static inline void power_init(void) { }
+#endif
+
+/*
+ * MMC configuration
+ */
+#ifdef CONFIG_FSL_ESDHC
+struct fsl_esdhc_cfg esdhc_cfg[2] = {
+ {MMC_SDHC1_BASE_ADDR, 1},
+ {MMC_SDHC2_BASE_ADDR, 1},
+};
+
+int board_mmc_getcd(u8 *absent, struct mmc *mmc)
+{
+ struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+
+ if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
+ *absent = mxc_gpio_get(IOMUX_TO_GPIO(MX51_PIN_GPIO1_0));
+ else
+ *absent = mxc_gpio_get(IOMUX_TO_GPIO(MX51_PIN_GPIO1_8));
+
+ return 0;
+}
+int board_mmc_init(bd_t *bis)
+{
+ int ret;
+
+ /* SDHC1 is used on all revisions, setup control pins first */
+ mxc_request_iomux(MX51_PIN_GPIO1_0,
+ IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+ mxc_iomux_set_pad(MX51_PIN_GPIO1_0,
+ PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
+ PAD_CTL_PUE_KEEPER | PAD_CTL_100K_PU |
+ PAD_CTL_ODE_OPENDRAIN_NONE |
+ PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
+ mxc_request_iomux(MX51_PIN_GPIO1_1,
+ IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+ mxc_iomux_set_pad(MX51_PIN_GPIO1_1,
+ PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
+ PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_NONE |
+ PAD_CTL_SRE_FAST);
+
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_GPIO1_0),
+ MXC_GPIO_DIRECTION_IN);
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_GPIO1_1),
+ MXC_GPIO_DIRECTION_IN);
+
+ /* Internal SDHC1 IOMUX + SDHC2 IOMUX on old boards */
+ if (get_efika_rev() < EFIKAMX_BOARD_REV_12) {
+ /* SDHC1 IOMUX */
+ mxc_request_iomux(MX51_PIN_SD1_CMD,
+ IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+ mxc_iomux_set_pad(MX51_PIN_SD1_CMD,
+ PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
+ PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD1_CLK,
+ IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+ mxc_iomux_set_pad(MX51_PIN_SD1_CLK,
+ PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
+ PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD1_DATA0, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_SD1_DATA0,
+ PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
+ PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD1_DATA1, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_SD1_DATA1,
+ PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
+ PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD1_DATA2, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_SD1_DATA2,
+ PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
+ PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD1_DATA3, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_SD1_DATA3,
+ PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE |
+ PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU | PAD_CTL_SRE_FAST);
+
+ /* SDHC2 IOMUX */
+ mxc_request_iomux(MX51_PIN_SD2_CMD,
+ IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+ mxc_iomux_set_pad(MX51_PIN_SD2_CMD,
+ PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD2_CLK,
+ IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+ mxc_iomux_set_pad(MX51_PIN_SD2_CLK,
+ PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD2_DATA0, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_SD2_DATA0,
+ PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD2_DATA1, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_SD2_DATA1,
+ PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD2_DATA2, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_SD2_DATA2,
+ PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD2_DATA3, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_SD2_DATA3,
+ PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+ /* SDHC2 Control lines IOMUX */
+ mxc_request_iomux(MX51_PIN_GPIO1_7,
+ IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+ mxc_iomux_set_pad(MX51_PIN_GPIO1_7,
+ PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
+ PAD_CTL_PUE_KEEPER | PAD_CTL_100K_PU |
+ PAD_CTL_ODE_OPENDRAIN_NONE |
+ PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
+ mxc_request_iomux(MX51_PIN_GPIO1_8,
+ IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+ mxc_iomux_set_pad(MX51_PIN_GPIO1_8,
+ PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
+ PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_NONE |
+ PAD_CTL_SRE_FAST);
+
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_GPIO1_8),
+ MXC_GPIO_DIRECTION_IN);
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_GPIO1_7),
+ MXC_GPIO_DIRECTION_IN);
+
+ ret = fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
+ if (!ret)
+ ret = fsl_esdhc_initialize(bis, &esdhc_cfg[1]);
+ } else { /* New boards use only SDHC1 */
+ /* SDHC1 IOMUX */
+ mxc_request_iomux(MX51_PIN_SD1_CMD,
+ IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+ mxc_iomux_set_pad(MX51_PIN_SD1_CMD,
+ PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD1_CLK,
+ IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
+ mxc_iomux_set_pad(MX51_PIN_SD1_CLK,
+ PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD1_DATA0, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_SD1_DATA0,
+ PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD1_DATA1, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_SD1_DATA1,
+ PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD1_DATA2, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_SD1_DATA2,
+ PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+ mxc_request_iomux(MX51_PIN_SD1_DATA3, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_SD1_DATA3,
+ PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST);
+
+ ret = fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
+ }
+ return ret;
+}
+#endif
+
+/*
+ * ATA
+ */
+#ifdef CONFIG_MX51_PATA
+#define ATA_PAD_CONFIG (PAD_CTL_DRV_HIGH | PAD_CTL_DRV_VOT_HIGH)
+void setup_iomux_ata(void)
+{
+ mxc_request_iomux(MX51_PIN_NANDF_ALE, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_ALE, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_CS2, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_CS2, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_CS3, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_CS3, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_CS4, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_CS4, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_CS5, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_CS5, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_CS6, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_CS6, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_RE_B, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_RE_B, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_WE_B, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_WE_B, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_CLE, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_CLE, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_RB0, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_RB0, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_WP_B, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_WP_B, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_GPIO_NAND, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_GPIO_NAND, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_RB1, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_RB1, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D0, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D0, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D1, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D1, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D2, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D2, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D3, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D3, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D4, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D4, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D5, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D5, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D6, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D6, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D7, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D7, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D8, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D8, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D9, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D9, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D10, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D10, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D11, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D11, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D12, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D12, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D13, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D13, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D14, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D14, ATA_PAD_CONFIG);
+ mxc_request_iomux(MX51_PIN_NANDF_D15, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_NANDF_D15, ATA_PAD_CONFIG);
+}
+#else
+static inline void setup_iomux_ata(void) { }
+#endif
+
+/*
+ * LED configuration
+ */
+void setup_iomux_led(void)
+{
+ /* Blue LED */
+ mxc_request_iomux(MX51_PIN_CSI1_D9, IOMUX_CONFIG_ALT3);
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_CSI1_D9),
+ MXC_GPIO_DIRECTION_OUT);
+ /* Green LED */
+ mxc_request_iomux(MX51_PIN_CSI1_VSYNC, IOMUX_CONFIG_ALT3);
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_CSI1_VSYNC),
+ MXC_GPIO_DIRECTION_OUT);
+ /* Red LED */
+ mxc_request_iomux(MX51_PIN_CSI1_HSYNC, IOMUX_CONFIG_ALT3);
+ mxc_gpio_direction(IOMUX_TO_GPIO(MX51_PIN_CSI1_HSYNC),
+ MXC_GPIO_DIRECTION_OUT);
+}
+
+void efikamx_toggle_led(uint32_t mask)
+{
+ mxc_gpio_set(IOMUX_TO_GPIO(MX51_PIN_CSI1_D9),
+ mask & EFIKAMX_LED_BLUE);
+ mxc_gpio_set(IOMUX_TO_GPIO(MX51_PIN_CSI1_VSYNC),
+ mask & EFIKAMX_LED_GREEN);
+ mxc_gpio_set(IOMUX_TO_GPIO(MX51_PIN_CSI1_HSYNC),
+ mask & EFIKAMX_LED_RED);
+}
+
+/*
+ * Board initialization
+ */
+static void init_drive_strength(void)
+{
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_PKEDDR, PAD_CTL_DDR_INPUT_CMOS);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_PKEADDR, PAD_CTL_PKE_ENABLE);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDRAPKS, PAD_CTL_PUE_KEEPER);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDRAPUS, PAD_CTL_100K_PU);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_A1, PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_A0, PAD_CTL_DRV_HIGH);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_A1, PAD_CTL_DRV_HIGH);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_RAS,
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_CAS,
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_PKEDDR, PAD_CTL_PKE_ENABLE);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDRPKS, PAD_CTL_PUE_KEEPER);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_HYSDDR0, PAD_CTL_HYS_NONE);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_HYSDDR1, PAD_CTL_HYS_NONE);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_HYSDDR2, PAD_CTL_HYS_NONE);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_HYSDDR3, PAD_CTL_HYS_NONE);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_B0, PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_B1, PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_B2, PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDR_SR_B4, PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DDRPUS, PAD_CTL_100K_PU);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_INMODE1, PAD_CTL_DDR_INPUT_CMOS);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DRAM_B0, PAD_CTL_DRV_MEDIUM);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DRAM_B1, PAD_CTL_DRV_MEDIUM);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DRAM_B2, PAD_CTL_DRV_MEDIUM);
+ mxc_iomux_set_pad(MX51_PIN_CTL_GRP_DRAM_B4, PAD_CTL_DRV_MEDIUM);
+
+ /* Setting pad options */
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDWE,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDCKE0,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDCKE1,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDCLK,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDQS0,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDQS1,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDQS2,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_SDQS3,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_CS0,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_CS1,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_DQM0,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_DQM1,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_DQM2,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+ mxc_iomux_set_pad(MX51_PIN_CTL_DRAM_DQM3,
+ PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
+ PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST);
+}
+
+int board_early_init_f(void)
+{
+ init_drive_strength();
+
+ setup_iomux_uart();
+ setup_iomux_spi();
+ setup_iomux_led();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ gd->bd->bi_arch_number = MACH_TYPE_MX51_LANGE51;
+ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+ return 0;
+}
+
+int board_late_init(void)
+{
+ setup_iomux_spi();
+
+ power_init();
+
+ setup_iomux_led();
+ setup_iomux_ata();
+
+ efikamx_toggle_led(EFIKAMX_LED_BLUE);
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ u32 system_rev = get_cpu_rev();
+ u32 cause;
+ struct src *src_regs = (struct src *)SRC_BASE_ADDR;
+
+ puts("Board: Efika MX ");
+
+ switch (system_rev & 0xff) {
+ case CHIP_REV_3_0:
+ puts("3.0 [");
+ break;
+ case CHIP_REV_2_5:
+ puts("2.5 [");
+ break;
+ case CHIP_REV_2_0:
+ puts("2.0 [");
+ break;
+ case CHIP_REV_1_1:
+ puts("1.1 [");
+ break;
+ case CHIP_REV_1_0:
+ default:
+ puts("1.0 [");
+ break;
+ }
+
+ cause = src_regs->srsr;
+ switch (cause) {
+ case 0x0001:
+ puts("POR");
+ break;
+ case 0x0009:
+ puts("RST");
+ break;
+ case 0x0010:
+ case 0x0011:
+ puts("WDOG");
+ break;
+ default:
+ printf("unknown 0x%x", cause);
+ }
+ puts("]\n");
+
+ return 0;
+}