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author | Fabio Estevam <fabio.estevam@freescale.com> | 2011-06-07 07:02:53 +0000 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-07-04 10:55:26 +0200 |
commit | 47c3e074ad6c094c76ec1809a1c4710fb0afa648 (patch) | |
tree | 1bbe2c0a002532d2d36bd1ef05acfdb35a1ce2ba /board/freescale/mx53ard/mx53ard.c | |
parent | a6e961c2923ec7a5351c16cd202d9376e44eaa3b (diff) | |
download | u-boot-imx-47c3e074ad6c094c76ec1809a1c4710fb0afa648.zip u-boot-imx-47c3e074ad6c094c76ec1809a1c4710fb0afa648.tar.gz u-boot-imx-47c3e074ad6c094c76ec1809a1c4710fb0afa648.tar.bz2 |
MX53: Add initial support for MX53ARD
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Diffstat (limited to 'board/freescale/mx53ard/mx53ard.c')
-rw-r--r-- | board/freescale/mx53ard/mx53ard.c | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/board/freescale/mx53ard/mx53ard.c b/board/freescale/mx53ard/mx53ard.c new file mode 100644 index 0000000..b51d209 --- /dev/null +++ b/board/freescale/mx53ard/mx53ard.c @@ -0,0 +1,306 @@ +/* + * (C) Copyright 2011 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/sys_proto.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/iomux.h> +#include <asm/errno.h> +#include <netdev.h> +#include <mmc.h> +#include <fsl_esdhc.h> +#include <mxc_gpio.h> + +#define ETHERNET_INT (1 * 32 + 31) /* GPIO2_31 */ + +DECLARE_GLOBAL_DATA_PTR; + +u32 get_board_rev(void) +{ + return get_cpu_rev(); +} + +int dram_init(void) +{ + u32 size1, size2; + + size1 = get_ram_size((volatile void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE); + size2 = get_ram_size((volatile void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE); + + gd->ram_size = size1 + size2; + + return 0; +} +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; +} + +static void setup_iomux_uart(void) +{ + /* UART1 RXD */ + mxc_request_iomux(MX53_PIN_ATA_DMACK, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX53_PIN_ATA_DMACK, + PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | + PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | + PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU | + PAD_CTL_ODE_OPENDRAIN_ENABLE); + mxc_iomux_set_input(MX53_UART1_IPP_UART_RXD_MUX_SELECT_INPUT, 0x3); + + /* UART1 TXD */ + mxc_request_iomux(MX53_PIN_ATA_DIOW, IOMUX_CONFIG_ALT3); + mxc_iomux_set_pad(MX53_PIN_ATA_DIOW, + PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | + PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | + PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU | + PAD_CTL_ODE_OPENDRAIN_ENABLE); +} + +#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 *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(1); /*GPIO1_1*/ + else + *cd = mxc_gpio_get(4); /*GPIO1_4*/ + + return 0; +} + +int board_mmc_init(bd_t *bis) +{ + u32 index; + s32 status = 0; + + for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) { + switch (index) { + case 0: + mxc_request_iomux(MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX53_PIN_SD1_CLK, IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX53_PIN_SD1_DATA0, + IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX53_PIN_SD1_DATA1, + IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX53_PIN_SD1_DATA2, + IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX53_PIN_SD1_DATA3, + IOMUX_CONFIG_ALT0); + + mxc_iomux_set_pad(MX53_PIN_SD1_CMD, 0x1E4); + mxc_iomux_set_pad(MX53_PIN_SD1_CLK, 0xD4); + mxc_iomux_set_pad(MX53_PIN_SD1_DATA0, 0x1D4); + mxc_iomux_set_pad(MX53_PIN_SD1_DATA1, 0x1D4); + mxc_iomux_set_pad(MX53_PIN_SD1_DATA2, 0x1D4); + mxc_iomux_set_pad(MX53_PIN_SD1_DATA3, 0x1D4); + break; + case 1: + mxc_request_iomux(MX53_PIN_SD2_CMD, + IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); + mxc_request_iomux(MX53_PIN_SD2_CLK, + IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION); + mxc_request_iomux(MX53_PIN_SD2_DATA0, + IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX53_PIN_SD2_DATA1, + IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX53_PIN_SD2_DATA2, + IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX53_PIN_SD2_DATA3, + IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX53_PIN_ATA_DATA12, + IOMUX_CONFIG_ALT2); + mxc_request_iomux(MX53_PIN_ATA_DATA13, + IOMUX_CONFIG_ALT2); + mxc_request_iomux(MX53_PIN_ATA_DATA14, + IOMUX_CONFIG_ALT2); + mxc_request_iomux(MX53_PIN_ATA_DATA15, + IOMUX_CONFIG_ALT2); + + mxc_iomux_set_pad(MX53_PIN_SD2_CMD, 0x1E4); + mxc_iomux_set_pad(MX53_PIN_SD2_CLK, 0xD4); + mxc_iomux_set_pad(MX53_PIN_SD2_DATA0, 0x1D4); + mxc_iomux_set_pad(MX53_PIN_SD2_DATA1, 0x1D4); + mxc_iomux_set_pad(MX53_PIN_SD2_DATA2, 0x1D4); + mxc_iomux_set_pad(MX53_PIN_SD2_DATA3, 0x1D4); + mxc_iomux_set_pad(MX53_PIN_ATA_DATA12, 0x1D4); + mxc_iomux_set_pad(MX53_PIN_ATA_DATA13, 0x1D4); + mxc_iomux_set_pad(MX53_PIN_ATA_DATA14, 0x1D4); + mxc_iomux_set_pad(MX53_PIN_ATA_DATA15, 0x1D4); + break; + default: + printf("Warning: you configured more ESDHC controller" + "(%d) as supported by the board(2)\n", + CONFIG_SYS_FSL_ESDHC_NUM); + return status; + } + status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]); + } + + return status; +} +#endif + +static void weim_smc911x_iomux(void) +{ + /* ETHERNET_INT as GPIO2_31 */ + mxc_request_iomux(MX53_PIN_EIM_EB3, IOMUX_CONFIG_ALT1); + mxc_gpio_direction(ETHERNET_INT, MXC_GPIO_DIRECTION_IN); + + /* Data bus */ + mxc_request_iomux(MX53_PIN_EIM_D16, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D16, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D17, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D17, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D18, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D18, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D19, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D19, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D20, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D20, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D21, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D21, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D22, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D22, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D23, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D23, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D24, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D24, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D25, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D25, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D26, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D26, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D27, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D27, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D28, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D28, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D29, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D29, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D30, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D30, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_D31, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_D31, 0xA4); + + /* Address lines */ + mxc_request_iomux(MX53_PIN_EIM_DA0, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_DA0, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_DA1, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_DA1, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_DA2, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_DA2, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_DA3, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_DA3, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_DA4, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_DA4, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_DA5, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_DA5, 0xA4); + + mxc_request_iomux(MX53_PIN_EIM_DA6, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX53_PIN_EIM_DA6, 0xA4); + + /* other EIM signals for ethernet */ + mxc_request_iomux(MX53_PIN_EIM_OE, IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX53_PIN_EIM_RW, IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX53_PIN_EIM_CS1, IOMUX_CONFIG_ALT0); +} + +static void weim_cs1_settings(void) +{ + struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR; + + writel(MX53ARD_CS1GCR1, &weim_regs->cs1gcr1); + writel(0x0, &weim_regs->cs1gcr2); + writel(MX53ARD_CS1RCR1, &weim_regs->cs1rcr1); + writel(MX53ARD_CS1RCR2, &weim_regs->cs1rcr2); + writel(MX53ARD_CS1WCR1, &weim_regs->cs1wcr1); + writel(0x0, &weim_regs->cs1wcr2); + writel(0x0, &weim_regs->wcr); + + set_chipselect_size(CS0_64M_CS1_64M); +} + +int board_early_init_f(void) +{ + setup_iomux_uart(); + return 0; +} + +int board_init(void) +{ + gd->bd->bi_arch_number = MACH_TYPE_MX53_ARD; + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; + + weim_smc911x_iomux(); + weim_cs1_settings(); + +#ifdef CONFIG_SMC911X + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); +#endif + return rc; +} + +int checkboard(void) +{ + puts("Board: MX53ARD\n"); + + return 0; +} |