diff options
Diffstat (limited to 'board/ttcontrol/vision2/vision2.c')
| -rw-r--r-- | board/ttcontrol/vision2/vision2.c | 711 |
1 files changed, 711 insertions, 0 deletions
diff --git a/board/ttcontrol/vision2/vision2.c b/board/ttcontrol/vision2/vision2.c new file mode 100644 index 0000000..c991ee2 --- /dev/null +++ b/board/ttcontrol/vision2/vision2.c @@ -0,0 +1,711 @@ +/* + * (C) Copyright 2010 + * Stefano Babic, DENX Software Engineering, sbabic@denx.de. + * + * (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/mx51_pins.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/iomux.h> +#include <mxc_gpio.h> +#include <asm/arch/sys_proto.h> +#include <asm/errno.h> +#include <i2c.h> +#include <mmc.h> +#include <fsl_esdhc.h> +#include <fsl_pmic.h> +#include <mc13892.h> + +DECLARE_GLOBAL_DATA_PTR; + +static u32 system_rev; + +#ifdef CONFIG_HW_WATCHDOG +#include <watchdog.h> + +void hw_watchdog_reset(void) +{ + int val; + + /* toggle watchdog trigger pin */ + val = mxc_gpio_get(66); + val = val ? 0 : 1; + mxc_gpio_set(66, val); +} +#endif + +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); +} + +u32 get_board_rev(void) +{ + system_rev = get_cpu_rev(); + + return system_rev; +} + +int dram_init(void) +{ +#ifdef CONFIG_SYS_ARM_WITHOUT_RELOC + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, + PHYS_SDRAM_1_SIZE); +#if (CONFIG_NR_DRAM_BANKS > 1) + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, + PHYS_SDRAM_2_SIZE); +#endif +#else + gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, + PHYS_SDRAM_1_SIZE); +#endif + + return 0; +} + +static void setup_weim(void) +{ + struct weim *pweim = (struct weim *)WEIM_BASE_ADDR; + + pweim->csgcr1 = 0x004100b9; + pweim->csgcr2 = 0x00000001; + pweim->csrcr1 = 0x0a018000; + pweim->csrcr2 = 0; + pweim->cswcr1 = 0x0704a240; +} + +static void setup_uart(void) +{ + unsigned int pad = PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE | + PAD_CTL_PUE_PULL | PAD_CTL_DRV_HIGH | PAD_CTL_SRE_FAST; + /* console RX on Pin EIM_D25 */ + mxc_request_iomux(MX51_PIN_EIM_D25, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_EIM_D25, pad); + /* console TX on Pin EIM_D26 */ + mxc_request_iomux(MX51_PIN_EIM_D26, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_EIM_D26, pad); +} + +#ifdef CONFIG_MXC_SPI +void spi_io_init(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_MAX | 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_MAX | PAD_CTL_SRE_FAST); + + /* 000: Select mux mode: ALT0 mux port: SS0 of instance: ecspi1. */ + mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX51_PIN_CSPI1_SS0, + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE | + PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + + /* + * SS1 will be used as GPIO because of uninterrupted + * long SPI transmissions (GPIO4_25) + */ + mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_CSPI1_SS1, + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE | + PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + + /* 000: Select mux mode: ALT0 mux port: SS2 of instance: ecspi1. */ + mxc_request_iomux(MX51_PIN_DI1_PIN11, IOMUX_CONFIG_ALT7); + mxc_iomux_set_pad(MX51_PIN_DI1_PIN11, + PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE | + PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + + /* 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_MAX | PAD_CTL_SRE_FAST); +} + +static void reset_peripherals(int reset) +{ + if (reset) { + + /* reset_n is on NANDF_D15 */ + mxc_gpio_set(89, 0); + mxc_gpio_direction(89, MXC_GPIO_DIRECTION_OUT); + +#ifdef CONFIG_VISION2_HW_1_0 + /* + * set FEC Configuration lines + * set levels of FEC config lines + */ + mxc_gpio_set(75, 0); + mxc_gpio_set(74, 1); + mxc_gpio_set(95, 1); + mxc_gpio_direction(75, MXC_GPIO_DIRECTION_OUT); + mxc_gpio_direction(74, MXC_GPIO_DIRECTION_OUT); + mxc_gpio_direction(95, MXC_GPIO_DIRECTION_OUT); + + /* set direction of FEC config lines */ + mxc_gpio_set(59, 0); + mxc_gpio_set(60, 0); + mxc_gpio_set(61, 0); + mxc_gpio_set(55, 1); + mxc_gpio_direction(59, MXC_GPIO_DIRECTION_OUT); + mxc_gpio_direction(60, MXC_GPIO_DIRECTION_OUT); + mxc_gpio_direction(61, MXC_GPIO_DIRECTION_OUT); + mxc_gpio_direction(55, MXC_GPIO_DIRECTION_OUT); + + /* FEC_RXD1 - sel GPIO (2-23) for configuration -> 1 */ + mxc_request_iomux(MX51_PIN_EIM_EB3, IOMUX_CONFIG_ALT1); + /* FEC_RXD2 - sel GPIO (2-27) for configuration -> 0 */ + mxc_request_iomux(MX51_PIN_EIM_CS2, IOMUX_CONFIG_ALT1); + /* FEC_RXD3 - sel GPIO (2-28) for configuration -> 0 */ + mxc_request_iomux(MX51_PIN_EIM_CS3, IOMUX_CONFIG_ALT1); + /* FEC_RXER - sel GPIO (2-29) for configuration -> 0 */ + mxc_request_iomux(MX51_PIN_EIM_CS4, IOMUX_CONFIG_ALT1); + /* FEC_COL - sel GPIO (3-10) for configuration -> 1 */ + mxc_request_iomux(MX51_PIN_NANDF_RB2, IOMUX_CONFIG_ALT3); + /* FEC_RCLK - sel GPIO (3-11) for configuration -> 0 */ + mxc_request_iomux(MX51_PIN_NANDF_RB3, IOMUX_CONFIG_ALT3); + /* FEC_RXD0 - sel GPIO (3-31) for configuration -> 1 */ + mxc_request_iomux(MX51_PIN_NANDF_D9, IOMUX_CONFIG_ALT3); +#endif + + /* + * activate reset_n pin + * Select mux mode: ALT3 mux port: NAND D15 + */ + mxc_request_iomux(MX51_PIN_NANDF_D15, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_NANDF_D15, + PAD_CTL_DRV_VOT_HIGH | PAD_CTL_DRV_MAX); + } else { + /* set FEC Control lines */ + mxc_gpio_direction(89, MXC_GPIO_DIRECTION_IN); + udelay(500); + +#ifdef CONFIG_VISION2_HW_1_0 + /* FEC RDATA[3] */ + mxc_request_iomux(MX51_PIN_EIM_CS3, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_EIM_CS3, 0x180); + + /* FEC RDATA[2] */ + mxc_request_iomux(MX51_PIN_EIM_CS2, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_EIM_CS2, 0x180); + + /* FEC RDATA[1] */ + mxc_request_iomux(MX51_PIN_EIM_EB3, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_EIM_EB3, 0x180); + + /* FEC RDATA[0] */ + mxc_request_iomux(MX51_PIN_NANDF_D9, IOMUX_CONFIG_ALT2); + mxc_iomux_set_pad(MX51_PIN_NANDF_D9, 0x2180); + + /* FEC RX_CLK */ + mxc_request_iomux(MX51_PIN_NANDF_RB3, IOMUX_CONFIG_ALT1); + mxc_iomux_set_pad(MX51_PIN_NANDF_RB3, 0x2180); + + /* FEC RX_ER */ + mxc_request_iomux(MX51_PIN_EIM_CS4, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_EIM_CS4, 0x180); + + /* FEC COL */ + mxc_request_iomux(MX51_PIN_NANDF_RB2, IOMUX_CONFIG_ALT1); + mxc_iomux_set_pad(MX51_PIN_NANDF_RB2, 0x2180); +#endif + } +} + +static void power_init_mx51(void) +{ + unsigned int val; + + /* Write needed to Power Gate 2 register */ + val = pmic_reg_read(REG_POWER_MISC); + + /* enable VCAM with 2.775V to enable read from PMIC */ + val = VCAMCONFIG | VCAMEN; + pmic_reg_write(REG_MODE_1, val); + + /* + * 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 &= ~((SWMODE_MASK << SWMODE4_SHIFT) | + (SWMODE_MASK << SWMODE3_SHIFT)); + val |= (SWMODE_AUTO_AUTO << SWMODE4_SHIFT) | + (SWMODE_AUTO_AUTO << SWMODE3_SHIFT); + pmic_reg_write(REG_SW_5, val); + + + /* Set VGEN3 to 1.8V, VCAM to 3.0V */ + val = pmic_reg_read(REG_SETTING_0); + val &= ~(VCAM_MASK | VGEN3_MASK); + val |= VCAM_3_0; + pmic_reg_write(REG_SETTING_0, val); + + /* Set VVIDEO to 2.775V, VAUDIO to 3V0, VSD to 1.8V */ + val = pmic_reg_read(REG_SETTING_1); + val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK); + val |= VVIDEO_2_775 | VAUDIO_3_0 | VSD_1_8; + 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); + +} +#endif + +static void setup_gpios(void) +{ + unsigned int i; + + /* CAM_SUP_DISn, GPIO1_7 */ + mxc_request_iomux(MX51_PIN_GPIO1_7, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX51_PIN_GPIO1_7, 0x82); + + /* DAB Display EN, GPIO3_1 */ + mxc_request_iomux(MX51_PIN_DI1_PIN12, IOMUX_CONFIG_ALT4); + mxc_iomux_set_pad(MX51_PIN_DI1_PIN12, 0x82); + + /* WDOG_TRIGGER, GPIO3_2 */ + mxc_request_iomux(MX51_PIN_DI1_PIN13, IOMUX_CONFIG_ALT4); + mxc_iomux_set_pad(MX51_PIN_DI1_PIN13, 0x82); + + /* Now we need to trigger the watchdog */ + WATCHDOG_RESET(); + + /* Display2 TxEN, GPIO3_3 */ + mxc_request_iomux(MX51_PIN_DI1_D0_CS, IOMUX_CONFIG_ALT4); + mxc_iomux_set_pad(MX51_PIN_DI1_D0_CS, 0x82); + + /* DAB Light EN, GPIO3_4 */ + mxc_request_iomux(MX51_PIN_DI1_D1_CS, IOMUX_CONFIG_ALT4); + mxc_iomux_set_pad(MX51_PIN_DI1_D1_CS, 0x82); + + /* AUDIO_MUTE, GPIO3_5 */ + mxc_request_iomux(MX51_PIN_DISPB2_SER_DIN, IOMUX_CONFIG_ALT4); + mxc_iomux_set_pad(MX51_PIN_DISPB2_SER_DIN, 0x82); + + /* SPARE_OUT, GPIO3_6 */ + mxc_request_iomux(MX51_PIN_DISPB2_SER_DIO, IOMUX_CONFIG_ALT4); + mxc_iomux_set_pad(MX51_PIN_DISPB2_SER_DIO, 0x82); + + /* BEEPER_EN, GPIO3_26 */ + mxc_request_iomux(MX51_PIN_NANDF_D14, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_NANDF_D14, 0x82); + + /* POWER_OFF, GPIO3_27 */ + mxc_request_iomux(MX51_PIN_NANDF_D13, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_NANDF_D13, 0x82); + + /* FRAM_WE, GPIO3_30 */ + mxc_request_iomux(MX51_PIN_NANDF_D10, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_NANDF_D10, 0x82); + + /* EXPANSION_EN, GPIO4_26 */ + mxc_request_iomux(MX51_PIN_CSPI1_RDY, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_CSPI1_RDY, 0x82); + + /* + * Set GPIO1_4 to high and output; it is used to reset + * the system on reboot + */ + mxc_gpio_set(4, 1); + mxc_gpio_direction(4, MXC_GPIO_DIRECTION_OUT); + + mxc_gpio_set(7, 0); + mxc_gpio_direction(7, MXC_GPIO_DIRECTION_OUT); + for (i = 65; i < 71; i++) { + mxc_gpio_set(i, 0); + mxc_gpio_direction(i, MXC_GPIO_DIRECTION_OUT); + } + + mxc_gpio_set(94, 0); + mxc_gpio_direction(94, MXC_GPIO_DIRECTION_OUT); + + /* Set POWER_OFF high */ + mxc_gpio_set(91, 1); + mxc_gpio_direction(91, MXC_GPIO_DIRECTION_OUT); + + mxc_gpio_set(90, 0); + mxc_gpio_direction(90, MXC_GPIO_DIRECTION_OUT); + + mxc_gpio_set(122, 0); + mxc_gpio_direction(122, MXC_GPIO_DIRECTION_OUT); + + mxc_gpio_set(121, 1); + mxc_gpio_direction(121, MXC_GPIO_DIRECTION_OUT); + + WATCHDOG_RESET(); +} + +static void setup_fec(void) +{ + /*FEC_MDIO*/ + mxc_request_iomux(MX51_PIN_EIM_EB2, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_EIM_EB2, 0x1FD); + + /*FEC_MDC*/ + mxc_request_iomux(MX51_PIN_NANDF_CS3, IOMUX_CONFIG_ALT2); + mxc_iomux_set_pad(MX51_PIN_NANDF_CS3, 0x2004); + + /* FEC RDATA[3] */ + mxc_request_iomux(MX51_PIN_EIM_CS3, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_EIM_CS3, 0x180); + + /* FEC RDATA[2] */ + mxc_request_iomux(MX51_PIN_EIM_CS2, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_EIM_CS2, 0x180); + + /* FEC RDATA[1] */ + mxc_request_iomux(MX51_PIN_EIM_EB3, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_EIM_EB3, 0x180); + + /* FEC RDATA[0] */ + mxc_request_iomux(MX51_PIN_NANDF_D9, IOMUX_CONFIG_ALT2); + mxc_iomux_set_pad(MX51_PIN_NANDF_D9, 0x2180); + + /* FEC TDATA[3] */ + mxc_request_iomux(MX51_PIN_NANDF_CS6, IOMUX_CONFIG_ALT2); + mxc_iomux_set_pad(MX51_PIN_NANDF_CS6, 0x2004); + + /* FEC TDATA[2] */ + mxc_request_iomux(MX51_PIN_NANDF_CS5, IOMUX_CONFIG_ALT2); + mxc_iomux_set_pad(MX51_PIN_NANDF_CS5, 0x2004); + + /* FEC TDATA[1] */ + mxc_request_iomux(MX51_PIN_NANDF_CS4, IOMUX_CONFIG_ALT2); + mxc_iomux_set_pad(MX51_PIN_NANDF_CS4, 0x2004); + + /* FEC TDATA[0] */ + mxc_request_iomux(MX51_PIN_NANDF_D8, IOMUX_CONFIG_ALT2); + mxc_iomux_set_pad(MX51_PIN_NANDF_D8, 0x2004); + + /* FEC TX_EN */ + mxc_request_iomux(MX51_PIN_NANDF_CS7, IOMUX_CONFIG_ALT1); + mxc_iomux_set_pad(MX51_PIN_NANDF_CS7, 0x2004); + + /* FEC TX_ER */ + mxc_request_iomux(MX51_PIN_NANDF_CS2, IOMUX_CONFIG_ALT2); + mxc_iomux_set_pad(MX51_PIN_NANDF_CS2, 0x2004); + + /* FEC TX_CLK */ + mxc_request_iomux(MX51_PIN_NANDF_RDY_INT, IOMUX_CONFIG_ALT1); + mxc_iomux_set_pad(MX51_PIN_NANDF_RDY_INT, 0x2180); + + /* FEC TX_COL */ + mxc_request_iomux(MX51_PIN_NANDF_RB2, IOMUX_CONFIG_ALT1); + mxc_iomux_set_pad(MX51_PIN_NANDF_RB2, 0x2180); + + /* FEC RX_CLK */ + mxc_request_iomux(MX51_PIN_NANDF_RB3, IOMUX_CONFIG_ALT1); + mxc_iomux_set_pad(MX51_PIN_NANDF_RB3, 0x2180); + + /* FEC RX_CRS */ + mxc_request_iomux(MX51_PIN_EIM_CS5, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_EIM_CS5, 0x180); + + /* FEC RX_ER */ + mxc_request_iomux(MX51_PIN_EIM_CS4, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX51_PIN_EIM_CS4, 0x180); + + /* FEC RX_DV */ + mxc_request_iomux(MX51_PIN_NANDF_D11, IOMUX_CONFIG_ALT2); + mxc_iomux_set_pad(MX51_PIN_NANDF_D11, 0x2180); +} + +struct fsl_esdhc_cfg esdhc_cfg[1] = { + {MMC_SDHC1_BASE_ADDR, 1}, +}; + +int get_mmc_getcd(u8 *cd, struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + + if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR) + *cd = mxc_gpio_get(0); + else + *cd = 0; + + return 0; +} + +#ifdef CONFIG_FSL_ESDHC +int board_mmc_init(bd_t *bis) +{ + mxc_request_iomux(MX51_PIN_SD1_CMD, + IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); + mxc_request_iomux(MX51_PIN_SD1_CLK, + IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); + mxc_request_iomux(MX51_PIN_SD1_DATA0, + IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); + mxc_request_iomux(MX51_PIN_SD1_DATA1, + IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); + mxc_request_iomux(MX51_PIN_SD1_DATA2, + IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); + mxc_request_iomux(MX51_PIN_SD1_DATA3, + IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); + mxc_iomux_set_pad(MX51_PIN_SD1_CMD, + PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH | + PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU | + PAD_CTL_PUE_PULL | + PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX51_PIN_SD1_CLK, + PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH | + PAD_CTL_HYS_NONE | PAD_CTL_47K_PU | + PAD_CTL_PUE_PULL | + PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX51_PIN_SD1_DATA0, + PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH | + PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU | + PAD_CTL_PUE_PULL | + PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX51_PIN_SD1_DATA1, + PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH | + PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU | + PAD_CTL_PUE_PULL | + PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX51_PIN_SD1_DATA2, + PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH | + PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU | + PAD_CTL_PUE_PULL | + PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); + mxc_iomux_set_pad(MX51_PIN_SD1_DATA3, + PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH | + PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PD | + PAD_CTL_PUE_PULL | + PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST); + mxc_request_iomux(MX51_PIN_GPIO1_0, + IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); + mxc_iomux_set_pad(MX51_PIN_GPIO1_0, + PAD_CTL_HYS_ENABLE); + mxc_request_iomux(MX51_PIN_GPIO1_1, + IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); + mxc_iomux_set_pad(MX51_PIN_GPIO1_1, + PAD_CTL_HYS_ENABLE); + + return fsl_esdhc_initialize(bis, &esdhc_cfg[0]); +} +#endif + +int board_early_init_f(void) +{ + + + init_drive_strength(); + + /* Setup debug led */ + mxc_gpio_set(6, 0); + mxc_gpio_direction(6, MXC_GPIO_DIRECTION_OUT); + mxc_request_iomux(MX51_PIN_GPIO1_6, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX51_PIN_GPIO1_6, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); + + /* wait a little while to give the pll time to settle */ + sdelay(100000); + + setup_weim(); + setup_uart(); + setup_fec(); + setup_gpios(); + + spi_io_init(); + + return 0; +} + +int board_init(void) +{ +#ifdef CONFIG_SYS_ARM_WITHOUT_RELOC + board_early_init_f(); +#endif + gd->bd->bi_arch_number = MACH_TYPE_TTC_VISION2; /* board id for linux */ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +int board_late_init(void) +{ + power_init_mx51(); + + reset_peripherals(1); + udelay(2000); + reset_peripherals(0); + udelay(2000); + + /* Early revisions require a second reset */ +#ifdef CONFIG_VISION2_HW_1_0 + reset_peripherals(1); + udelay(2000); + reset_peripherals(0); + udelay(2000); +#endif + + return 0; +} + +int checkboard(void) +{ + u32 system_rev = get_cpu_rev(); + u32 cause; + struct src *src_regs = (struct src *)SRC_BASE_ADDR; + + puts("Board: TTControl Vision II CPU V"); + + 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; +} + |