diff options
Diffstat (limited to 'arch/arm/boards/freescale-mx53-smd/board.c')
| -rw-r--r-- | arch/arm/boards/freescale-mx53-smd/board.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/arch/arm/boards/freescale-mx53-smd/board.c b/arch/arm/boards/freescale-mx53-smd/board.c new file mode 100644 index 0000000000..325458eb23 --- /dev/null +++ b/arch/arm/boards/freescale-mx53-smd/board.c @@ -0,0 +1,170 @@ +/* + * Copyright (C) 2007 Sascha Hauer, Pengutronix + * Copyright (C) 2011 Marc Kleine-Budde <mkl@pengutronix.de> + * + * 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. + * + */ + +#include <common.h> +#include <environment.h> +#include <fcntl.h> +#include <fec.h> +#include <fs.h> +#include <init.h> +#include <nand.h> +#include <net.h> +#include <partition.h> +#include <sizes.h> + +#include <generated/mach-types.h> + +#include <mach/imx-regs.h> +#include <mach/iomux-mx53.h> +#include <mach/devices-imx53.h> +#include <mach/generic.h> +#include <mach/gpio.h> +#include <mach/imx-nand.h> +#include <mach/iim.h> +#include <mach/imx53.h> + +#include <asm/armlinux.h> +#include <io.h> +#include <asm/mmu.h> + +static struct fec_platform_data fec_info = { + .xcv_type = RMII, +}; + +static struct pad_desc smd_pads[] = { + /* UART1 */ + MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, + MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, + + /* UART2 */ + MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX, + MX53_PAD_PATA_DMARQ__UART2_TXD_MUX, + + /* UART3 */ + MX53_PAD_PATA_CS_0__UART3_TXD_MUX, + MX53_PAD_PATA_CS_1__UART3_RXD_MUX, + MX53_PAD_PATA_DA_1__UART3_CTS, + MX53_PAD_PATA_DA_2__UART3_RTS, + + /* FEC */ + MX53_PAD_FEC_MDC__FEC_MDC, + MX53_PAD_FEC_MDIO__FEC_MDIO, + MX53_PAD_FEC_REF_CLK__FEC_TX_CLK, + MX53_PAD_FEC_RX_ER__FEC_RX_ER, + MX53_PAD_FEC_CRS_DV__FEC_RX_DV, + MX53_PAD_FEC_RXD1__FEC_RDATA_1, + MX53_PAD_FEC_RXD0__FEC_RDATA_0, + MX53_PAD_FEC_TX_EN__FEC_TX_EN, + MX53_PAD_FEC_TXD1__FEC_TDATA_1, + MX53_PAD_FEC_TXD0__FEC_TDATA_0, + /* FEC_nRST */ + MX53_PAD_PATA_DA_0__GPIO7_6, + + /* SD1 */ + MX53_PAD_SD1_CMD__ESDHC1_CMD, + MX53_PAD_SD1_CLK__ESDHC1_CLK, + MX53_PAD_SD1_DATA0__ESDHC1_DAT0, + MX53_PAD_SD1_DATA1__ESDHC1_DAT1, + MX53_PAD_SD1_DATA2__ESDHC1_DAT2, + MX53_PAD_SD1_DATA3__ESDHC1_DAT3, + /* SD1_CD */ + MX53_PAD_EIM_DA13__GPIO3_13, + /* SD1_WP */ + MX53_PAD_KEY_ROW2__GPIO4_11, + + /* SD3 */ + MX53_PAD_PATA_DATA8__ESDHC3_DAT0, + MX53_PAD_PATA_DATA9__ESDHC3_DAT1, + MX53_PAD_PATA_DATA10__ESDHC3_DAT2, + MX53_PAD_PATA_DATA11__ESDHC3_DAT3, + MX53_PAD_PATA_DATA0__ESDHC3_DAT4, + MX53_PAD_PATA_DATA1__ESDHC3_DAT5, + MX53_PAD_PATA_DATA2__ESDHC3_DAT6, + MX53_PAD_PATA_DATA3__ESDHC3_DAT7, + MX53_PAD_PATA_IORDY__ESDHC3_CLK, + MX53_PAD_PATA_RESET_B__ESDHC3_CMD, +}; + +static int smd_mem_init(void) +{ + arm_add_mem_device("ram0", 0x70000000, SZ_512M); + arm_add_mem_device("ram1", 0xb0000000, SZ_512M); + + return 0; +} +mem_initcall(smd_mem_init); + +#define SMD_FEC_PHY_RST IMX_GPIO_NR(7, 6) + +static void smd_fec_reset(void) +{ + gpio_direction_output(SMD_FEC_PHY_RST, 0); + mdelay(1); + gpio_set_value(SMD_FEC_PHY_RST, 1); +} + +#define LOCO_SD1_CD IMX_GPIO_NR(3, 13) +#define LOCO_SD1_WP IMX_GPIO_NR(4, 11) + +static struct esdhc_platform_data loco_sd1_data = { + .cd_gpio = LOCO_SD1_CD, + .wp_gpio = LOCO_SD1_WP, + .cd_type = ESDHC_CD_GPIO, + .wp_type = ESDHC_WP_GPIO, +}; + +static struct esdhc_platform_data loco_sd3_data = { + .wp_type = ESDHC_WP_NONE, + .cd_type = ESDHC_CD_PERMANENT, +}; + +static int smd_devices_init(void) +{ + imx51_iim_register_fec_ethaddr(); + imx53_add_fec(&fec_info); + imx53_add_mmc0(&loco_sd1_data); + imx53_add_mmc2(&loco_sd3_data); + + smd_fec_reset(); + + armlinux_set_bootparams((void *)0x70000100); + armlinux_set_architecture(MACH_TYPE_MX53_SMD); + + return 0; +} +device_initcall(smd_devices_init); + +static int smd_part_init(void) +{ + devfs_add_partition("disk0", 0x00000, 0x40000, PARTITION_FIXED, "self0"); + devfs_add_partition("disk0", 0x40000, 0x20000, PARTITION_FIXED, "env0"); + + return 0; +} +late_initcall(smd_part_init); + +static int smd_console_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(smd_pads, ARRAY_SIZE(smd_pads)); + + mx53_init_lowlevel(); + + imx53_add_uart0(); + imx53_add_uart1(); + imx53_add_uart2(); + return 0; +} +console_initcall(smd_console_init); |