diff options
Diffstat (limited to 'board/efikamx/efikamx.c')
| -rw-r--r-- | board/efikamx/efikamx.c | 689 |
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; +} |