diff options
Diffstat (limited to 'board/genesi')
| -rw-r--r-- | board/genesi/mx51_efikamx/efikamx.c | 604 |
1 files changed, 229 insertions, 375 deletions
diff --git a/board/genesi/mx51_efikamx/efikamx.c b/board/genesi/mx51_efikamx/efikamx.c index 12371c9..18ab8d9 100644 --- a/board/genesi/mx51_efikamx/efikamx.c +++ b/board/genesi/mx51_efikamx/efikamx.c @@ -1,7 +1,7 @@ /* + * Copyright (C) 2009 Freescale Semiconductor, Inc. * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com> - * - * (C) Copyright 2009 Freescale Semiconductor, Inc. + * Copyright (C) 2009-2012 Genesi USA, Inc. * * See file CREDITS for list of people who contributed to this * project. @@ -24,9 +24,7 @@ #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 <asm/arch/iomux-mx51.h> #include <asm/gpio.h> #include <asm/errno.h> #include <asm/arch/sys_proto.h> @@ -48,16 +46,12 @@ DECLARE_GLOBAL_DATA_PTR; #endif /* - * Shared variables / local defines + * Board revisions + * + * Note that we get these revisions here for convenience, but we only set + * up for the production model Smarttop (1.3) and Smartbook (2.0). + * */ -/* 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 @@ -69,66 +63,67 @@ void efikamx_toggle_led(uint32_t mask); /* * Board identification */ -u32 get_efikamx_rev(void) +static u32 get_mx_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 + * + * gpio: 16 17 11 + * ============== + * r1.1: 1+ 1 1 + * r1.2: 1 1 0 + * r1.3: 1 0 1 + * r1.4: 1 0 0 + * + * + note: r1.1 does not strap this pin properly so it needs to + * be hacked or ignored. */ - mxc_request_iomux(MX51_PIN_NANDF_CS0, IOMUX_CONFIG_GPIO); - /* set to 1 in order to get correct value on board rev1.1 */ - gpio_direction_output(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); - gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0)); - rev |= (!!gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS0))) << 0; + /* set to 1 in order to get correct value on board rev 1.1 */ + gpio_direction_output(GPIO_NUMBER(3, 16), 1); + gpio_direction_input(GPIO_NUMBER(3, 11)); + gpio_direction_input(GPIO_NUMBER(3, 16)); + gpio_direction_input(GPIO_NUMBER(3, 17)); - mxc_request_iomux(MX51_PIN_NANDF_CS1, IOMUX_CONFIG_GPIO); - mxc_iomux_set_pad(MX51_PIN_NANDF_CS1, PAD_CTL_100K_PU); - gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_NANDF_CS1)); - rev |= (!!gpio_get_value(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); - gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_NANDF_RB3)); - rev |= (!!gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_NANDF_RB3))) << 2; + rev |= (!!gpio_get_value(GPIO_NUMBER(3, 16))) << 0; + rev |= (!!gpio_get_value(GPIO_NUMBER(3, 17))) << 1; + rev |= (!!gpio_get_value(GPIO_NUMBER(3, 11))) << 2; return (~rev & 0x7) + 1; } -inline u32 get_efikasb_rev(void) +static iomux_v3_cfg_t efikasb_revision_pads[] = { + MX51_PAD_EIM_CS3__GPIO2_28, + MX51_PAD_EIM_CS4__GPIO2_29, +}; + +static inline u32 get_sb_rev(void) { u32 rev = 0; - mxc_request_iomux(MX51_PIN_EIM_CS3, IOMUX_CONFIG_GPIO); - mxc_iomux_set_pad(MX51_PIN_EIM_CS3, PAD_CTL_100K_PU); - gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_EIM_CS3)); - rev |= (!!gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_EIM_CS3))) << 0; + imx_iomux_v3_setup_multiple_pads(efikasb_revision_pads, + ARRAY_SIZE(efikasb_revision_pads)); + gpio_direction_input(GPIO_NUMBER(2, 28)); + gpio_direction_input(GPIO_NUMBER(2, 29)); - mxc_request_iomux(MX51_PIN_EIM_CS4, IOMUX_CONFIG_GPIO); - mxc_iomux_set_pad(MX51_PIN_EIM_CS4, PAD_CTL_100K_PU); - gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_EIM_CS4)); - rev |= (!!gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_EIM_CS4))) << 1; + rev |= (!!gpio_get_value(GPIO_NUMBER(2, 28))) << 0; + rev |= (!!gpio_get_value(GPIO_NUMBER(2, 29))) << 1; return rev; } -inline uint32_t get_efika_rev(void) +inline uint32_t get_efikamx_rev(void) { if (machine_is_efikamx()) - return get_efikamx_rev(); - else - return get_efikasb_rev(); + return get_mx_rev(); + else if (machine_is_efikasb()) + return get_sb_rev(); } u32 get_board_rev(void) { - return get_cpu_rev() | (get_efika_rev() << 8); + return get_cpu_rev() | (get_efikamx_rev() << 8); } /* @@ -138,65 +133,35 @@ int dram_init(void) { /* dram_init must store complete ramsize in gd->ram_size */ gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, - PHYS_SDRAM_1_SIZE); + 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); -} +static iomux_v3_cfg_t efikamx_uart_pads[] = { + MX51_PAD_UART1_RXD__UART1_RXD, + MX51_PAD_UART1_TXD__UART1_TXD, + MX51_PAD_UART1_RTS__UART1_RTS, + MX51_PAD_UART1_CTS__UART1_CTS, +}; /* * 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); - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_CSPI1_SS0), 0); - - /* Configure SS1 as a GPIO */ - mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_GPIO); - gpio_direction_output(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 +static iomux_v3_cfg_t efikamx_spi_pads[] = { + MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI, + MX51_PAD_CSPI1_MISO__ECSPI1_MISO, + MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK, + MX51_PAD_CSPI1_SS0__GPIO4_24, + MX51_PAD_CSPI1_SS1__GPIO4_25, + MX51_PAD_GPIO1_6__GPIO1_6, +}; + +#define EFIKAMX_SPI_SS0 GPIO_NUMBER(4, 24) +#define EFIKAMX_SPI_SS1 GPIO_NUMBER(4, 25) +#define EFIKAMX_PMIC_IRQ GPIO_NUMBER(1, 6) /* * PMIC configuration @@ -226,7 +191,7 @@ static void power_init(void) /* Set core voltage to 1.1V */ pmic_reg_read(p, REG_SW_0, &val); - val = (val & ~SWx_VOLT_MASK) | SWx_1_200V; + val = (val & ~SWx_VOLT_MASK) | SWx_1_100V; pmic_reg_write(p, REG_SW_0, val); /* Setup VCC (SW2) to 1.25 */ @@ -301,29 +266,62 @@ static inline void power_init(void) { } * MMC configuration */ #ifdef CONFIG_FSL_ESDHC + struct fsl_esdhc_cfg esdhc_cfg[2] = { {MMC_SDHC1_BASE_ADDR, 1}, {MMC_SDHC2_BASE_ADDR, 1}, }; -static inline uint32_t efika_mmc_cd(void) +static iomux_v3_cfg_t efikamx_sdhc1_pads[] = { + MX51_PAD_SD1_CMD__SD1_CMD, + MX51_PAD_SD1_CLK__SD1_CLK, + MX51_PAD_SD1_DATA0__SD1_DATA0, + MX51_PAD_SD1_DATA1__SD1_DATA1, + MX51_PAD_SD1_DATA2__SD1_DATA2, + MX51_PAD_SD1_DATA3__SD1_DATA3, + MX51_PAD_GPIO1_1__SD1_WP, +}; + +#define EFIKAMX_SDHC1_WP GPIO_NUMBER(1, 1) + +static iomux_v3_cfg_t efikamx_sdhc1_cd_pads[] = { + MX51_PAD_GPIO1_0__SD1_CD, + MX51_PAD_EIM_CS2__SD1_CD, +}; + +#define EFIKAMX_SDHC1_CD GPIO_NUMBER(1, 0) +#define EFIKASB_SDHC1_CD GPIO_NUMBER(2, 27) + +static iomux_v3_cfg_t efikasb_sdhc2_pads[] = { + MX51_PAD_SD2_CMD__SD2_CMD, + MX51_PAD_SD2_CLK__SD2_CLK, + MX51_PAD_SD2_DATA0__SD2_DATA0, + MX51_PAD_SD2_DATA1__SD2_DATA1, + MX51_PAD_SD2_DATA2__SD2_DATA2, + MX51_PAD_SD2_DATA3__SD2_DATA3, + MX51_PAD_GPIO1_7__SD2_WP, + MX51_PAD_GPIO1_8__SD2_CD, +}; + +#define EFIKASB_SDHC2_CD GPIO_NUMBER(1, 8) +#define EFIKASB_SDHC2_WP GPIO_NUMBER(1, 7) + +static inline uint32_t efikamx_mmc_getcd(u32 base) { - if (machine_is_efikamx()) - return MX51_PIN_GPIO1_0; + if (base == MMC_SDHC1_BASE_ADDR) + if (machine_is_efikamx()) + return EFIKAMX_SDHC1_CD; + else + return EFIKASB_SDHC1_CD; else - return MX51_PIN_EIM_CS2; + return EFIKASB_SDHC2_CD; } int board_mmc_getcd(struct mmc *mmc) { struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; - uint32_t cd = efika_mmc_cd(); - int ret; - - if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR) - ret = !gpio_get_value(IOMUX_TO_GPIO(cd)); - else - ret = !gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_8)); + uint32_t cd = efikamx_mmc_getcd(cfg->esdhc_base); + int ret = !gpio_get_value(cd); return ret; } @@ -331,139 +329,36 @@ int board_mmc_getcd(struct mmc *mmc) int board_mmc_init(bd_t *bis) { int ret; - uint32_t cd = efika_mmc_cd(); - - /* SDHC1 is used on all revisions, setup control pins first */ - mxc_request_iomux(cd, - IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); - mxc_iomux_set_pad(cd, - 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); - - gpio_direction_input(IOMUX_TO_GPIO(cd)); - gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_1)); - - /* Internal SDHC1 IOMUX + SDHC2 IOMUX on old boards */ - if (machine_is_efikasb() || (machine_is_efikamx() && - (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); - - gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_8)); - gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_7)); - - ret = fsl_esdhc_initialize(bis, &esdhc_cfg[0]); + + /* + * All Efika MX boards use eSDHC1 with a common write-protect GPIO + */ + imx_iomux_v3_setup_multiple_pads(efikamx_sdhc1_pads, + ARRAY_SIZE(efikamx_sdhc1_pads)); + gpio_direction_input(EFIKAMX_SDHC1_WP); + + /* + * Smartbook and Smarttop differ on the location of eSDHC1 + * carrier-detect GPIO + */ + if (machine_is_efikamx()) { + imx_iomux_v3_setup_pad(efikamx_sdhc1_cd_pads[0]); + gpio_direction_input(EFIKAMX_SDHC1_CD); + } else if (machine_is_efikasb()) { + imx_iomux_v3_setup_pad(efikamx_sdhc1_cd_pads[1]); + gpio_direction_input(EFIKASB_SDHC1_CD); + } + + ret = fsl_esdhc_initialize(bis, &esdhc_cfg[0]); + + if (machine_is_efikasb()) { + + imx_iomux_v3_setup_multiple_pads(efikasb_sdhc2_pads, + ARRAY_SIZE(efikasb_sdhc2_pads)); + gpio_direction_input(EFIKASB_SDHC2_CD); + gpio_direction_input(EFIKASB_SDHC2_WP); 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; @@ -471,74 +366,39 @@ int board_mmc_init(bd_t *bis) #endif /* - * ATA + * PATA */ -#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 +static iomux_v3_cfg_t efikamx_pata_pads[] = { + MX51_PAD_NANDF_WE_B__PATA_DIOW, + MX51_PAD_NANDF_RE_B__PATA_DIOR, + MX51_PAD_NANDF_ALE__PATA_BUFFER_EN, + MX51_PAD_NANDF_CLE__PATA_RESET_B, + MX51_PAD_NANDF_WP_B__PATA_DMACK, + MX51_PAD_NANDF_RB0__PATA_DMARQ, + MX51_PAD_NANDF_RB1__PATA_IORDY, + MX51_PAD_GPIO_NAND__PATA_INTRQ, + MX51_PAD_NANDF_CS2__PATA_CS_0, + MX51_PAD_NANDF_CS3__PATA_CS_1, + MX51_PAD_NANDF_CS4__PATA_DA_0, + MX51_PAD_NANDF_CS5__PATA_DA_1, + MX51_PAD_NANDF_CS6__PATA_DA_2, + MX51_PAD_NANDF_D15__PATA_DATA15, + MX51_PAD_NANDF_D14__PATA_DATA14, + MX51_PAD_NANDF_D13__PATA_DATA13, + MX51_PAD_NANDF_D12__PATA_DATA12, + MX51_PAD_NANDF_D11__PATA_DATA11, + MX51_PAD_NANDF_D10__PATA_DATA10, + MX51_PAD_NANDF_D9__PATA_DATA9, + MX51_PAD_NANDF_D8__PATA_DATA8, + MX51_PAD_NANDF_D7__PATA_DATA7, + MX51_PAD_NANDF_D6__PATA_DATA6, + MX51_PAD_NANDF_D5__PATA_DATA5, + MX51_PAD_NANDF_D4__PATA_DATA4, + MX51_PAD_NANDF_D3__PATA_DATA3, + MX51_PAD_NANDF_D2__PATA_DATA2, + MX51_PAD_NANDF_D1__PATA_DATA1, + MX51_PAD_NANDF_D0__PATA_DATA0, +}; /* * EHCI USB @@ -551,57 +411,58 @@ static inline void setup_iomux_usb(void) { } /* * LED configuration + * + * Smarttop LED pad config is done in the DCD + * */ -void setup_iomux_led(void) -{ - if (machine_is_efikamx()) { - /* Blue LED */ - mxc_request_iomux(MX51_PIN_CSI1_D9, IOMUX_CONFIG_ALT3); - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_CSI1_D9), 0); - - /* Green LED */ - mxc_request_iomux(MX51_PIN_CSI1_VSYNC, IOMUX_CONFIG_ALT3); - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_CSI1_VSYNC), 0); - - /* Red LED */ - mxc_request_iomux(MX51_PIN_CSI1_HSYNC, IOMUX_CONFIG_ALT3); - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_CSI1_HSYNC), 0); - } else { - /* CAPS-LOCK LED */ - mxc_request_iomux(MX51_PIN_EIM_CS0, IOMUX_CONFIG_GPIO); - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_CS0), 0); - - /* ALARM-LED LED */ - mxc_request_iomux(MX51_PIN_GPIO1_3, IOMUX_CONFIG_GPIO); - gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_GPIO1_3), 0); - } -} +#define EFIKAMX_LED_BLUE GPIO_NUMBER(3, 13) +#define EFIKAMX_LED_GREEN GPIO_NUMBER(3, 14) +#define EFIKAMX_LED_RED GPIO_NUMBER(3, 15) -void efikamx_toggle_led(uint32_t mask) -{ - if (machine_is_efikamx()) { - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_CSI1_D9), - mask & EFIKAMX_LED_BLUE); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_CSI1_VSYNC), - mask & EFIKAMX_LED_GREEN); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_CSI1_HSYNC), - mask & EFIKAMX_LED_RED); - } else { - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_CS0), - mask & EFIKAMX_LED_BLUE); - gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_3), - !(mask & EFIKAMX_LED_GREEN)); - } -} +static iomux_v3_cfg_t efikasb_led_pads[] = { + MX51_PAD_GPIO1_3__GPIO1_3, + MX51_PAD_EIM_CS0__GPIO2_25, +}; + +#define EFIKASB_CAPSLOCK_LED GPIO_NUMBER(2, 25) +#define EFIKASB_MESSAGE_LED GPIO_NUMBER(1, 3) /* Note: active low */ /* * Board initialization */ int board_early_init_f(void) { - setup_iomux_uart(); - setup_iomux_spi(); - setup_iomux_led(); + if (machine_is_efikasb()) { + imx_iomux_v3_setup_multiple_pads(efikasb_led_pads, + ARRAY_SIZE(efikasb_led_pads)); + gpio_direction_output(EFIKASB_CAPSLOCK_LED, 0); + gpio_direction_output(EFIKASB_MESSAGE_LED, 1); + } else if (machine_is_efikamx()) { + /* + * Set up GPIO directions for LEDs. + * IOMUX has been done in the DCD already. + * Turn the red LED on for pre-relocation code. + */ + gpio_direction_output(EFIKAMX_LED_BLUE, 0); + gpio_direction_output(EFIKAMX_LED_GREEN, 0); + gpio_direction_output(EFIKAMX_LED_RED, 1); + } + + /* + * Both these pad configurations for UART and SPI are kind of redundant + * since they are the Power-On Defaults for the i.MX51. But, it seems we + * should make absolutely sure that they are set up correctly. + */ + imx_iomux_v3_setup_multiple_pads(efikamx_uart_pads, + ARRAY_SIZE(efikamx_uart_pads)); + imx_iomux_v3_setup_multiple_pads(efikamx_spi_pads, + ARRAY_SIZE(efikamx_spi_pads)); + + /* not technically required for U-Boot operation but do it anyway. */ + gpio_direction_input(EFIKAMX_PMIC_IRQ); + /* Deselect both CS for now, otherwise NOR doesn't probe properly. */ + gpio_direction_output(EFIKAMX_SPI_SS0, 0); + gpio_direction_output(EFIKAMX_SPI_SS1, 1); return 0; } @@ -615,44 +476,37 @@ int board_init(void) int board_late_init(void) { - setup_iomux_spi(); + if (machine_is_efikamx()) { + /* + * Set up Blue LED for "In U-Boot" status. + * We're all relocated and ready to U-Boot! + */ + gpio_set_value(EFIKAMX_LED_RED, 0); + gpio_set_value(EFIKAMX_LED_GREEN, 0); + gpio_set_value(EFIKAMX_LED_BLUE, 1); + } power_init(); - setup_iomux_led(); - setup_iomux_ata(); + imx_iomux_v3_setup_multiple_pads(efikamx_pata_pads, + ARRAY_SIZE(efikamx_pata_pads)); setup_iomux_usb(); if (machine_is_efikasb()) setenv("preboot", "usb reset ; setenv stdin usbkbd\0"); - setup_iomux_led(); - - efikamx_toggle_led(EFIKAMX_LED_BLUE); - return 0; } int checkboard(void) { - u32 rev = get_efika_rev(); + u32 rev = get_efikamx_rev(); - if (machine_is_efikamx()) { - printf("Board: Efika MX, rev1.%i\n", rev & 0xf); - return 0; - } else { - switch (rev) { - case EFIKASB_BOARD_REV_13: - printf("Board: Efika SB rev1.3\n"); - break; - case EFIKASB_BOARD_REV_20: - printf("Board: Efika SB rev2.0\n"); - break; - default: - printf("Board: Efika SB, rev Unknown\n"); - break; - } - } + printf("Board: Genesi Efika MX "); + if (machine_is_efikamx()) + printf("Smarttop (1.%i)\n", rev & 0xf); + else if (machine_is_efikasb()) + printf("Smartbook\n"); return 0; } |