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-rw-r--r--arch/arm/mach-imx/mach-mx53_evk.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx53_evk.c b/arch/arm/mach-imx/mach-mx53_evk.c
new file mode 100644
index 00000000000..5a72188b9cd
--- /dev/null
+++ b/arch/arm/mach-imx/mach-mx53_evk.c
@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2010 Yong Shen. <Yong.Shen@linaro.org>
+ */
+
+/*
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/spi.h>
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <mach/iomux-mx53.h>
+
+#define MX53_EVK_FEC_PHY_RST IMX_GPIO_NR(7, 6)
+#define EVK_ECSPI1_CS0 IMX_GPIO_NR(2, 30)
+#define EVK_ECSPI1_CS1 IMX_GPIO_NR(3, 19)
+#define MX53EVK_LED IMX_GPIO_NR(7, 7)
+
+#include "devices-imx53.h"
+
+static iomux_v3_cfg_t mx53_evk_pads[] = {
+ MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
+ MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
+
+ MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX,
+ MX53_PAD_PATA_DMARQ__UART2_TXD_MUX,
+ MX53_PAD_PATA_DIOR__UART2_RTS,
+ MX53_PAD_PATA_INTRQ__UART2_CTS,
+
+ MX53_PAD_PATA_CS_0__UART3_TXD_MUX,
+ MX53_PAD_PATA_CS_1__UART3_RXD_MUX,
+
+ MX53_PAD_EIM_D16__ECSPI1_SCLK,
+ MX53_PAD_EIM_D17__ECSPI1_MISO,
+ MX53_PAD_EIM_D18__ECSPI1_MOSI,
+
+ /* ecspi chip select lines */
+ MX53_PAD_EIM_EB2__GPIO2_30,
+ MX53_PAD_EIM_D19__GPIO3_19,
+ /* LED */
+ MX53_PAD_PATA_DA_1__GPIO7_7,
+};
+
+static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = {
+ .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static const struct gpio_led mx53evk_leds[] __initconst = {
+ {
+ .name = "green",
+ .default_trigger = "heartbeat",
+ .gpio = MX53EVK_LED,
+ },
+};
+
+static const struct gpio_led_platform_data mx53evk_leds_data __initconst = {
+ .leds = mx53evk_leds,
+ .num_leds = ARRAY_SIZE(mx53evk_leds),
+};
+
+static inline void mx53_evk_init_uart(void)
+{
+ imx53_add_imx_uart(0, NULL);
+ imx53_add_imx_uart(1, &mx53_evk_uart_pdata);
+ imx53_add_imx_uart(2, NULL);
+}
+
+static const struct imxi2c_platform_data mx53_evk_i2c_data __initconst = {
+ .bitrate = 100000,
+};
+
+static inline void mx53_evk_fec_reset(void)
+{
+ int ret;
+
+ /* reset FEC PHY */
+ ret = gpio_request_one(MX53_EVK_FEC_PHY_RST, GPIOF_OUT_INIT_LOW,
+ "fec-phy-reset");
+ if (ret) {
+ printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
+ return;
+ }
+ msleep(1);
+ gpio_set_value(MX53_EVK_FEC_PHY_RST, 1);
+}
+
+static const struct fec_platform_data mx53_evk_fec_pdata __initconst = {
+ .phy = PHY_INTERFACE_MODE_RMII,
+};
+
+static struct spi_board_info mx53_evk_spi_board_info[] __initdata = {
+ {
+ .modalias = "mtd_dataflash",
+ .max_speed_hz = 25000000,
+ .bus_num = 0,
+ .chip_select = 1,
+ .mode = SPI_MODE_0,
+ .platform_data = NULL,
+ },
+};
+
+static int mx53_evk_spi_cs[] = {
+ EVK_ECSPI1_CS0,
+ EVK_ECSPI1_CS1,
+};
+
+static const struct spi_imx_master mx53_evk_spi_data __initconst = {
+ .chipselect = mx53_evk_spi_cs,
+ .num_chipselect = ARRAY_SIZE(mx53_evk_spi_cs),
+};
+
+void __init imx53_evk_common_init(void)
+{
+ mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
+ ARRAY_SIZE(mx53_evk_pads));
+}
+
+static void __init mx53_evk_board_init(void)
+{
+ imx53_soc_init();
+ imx53_evk_common_init();
+
+ mx53_evk_init_uart();
+ mx53_evk_fec_reset();
+ imx53_add_fec(&mx53_evk_fec_pdata);
+
+ imx53_add_imx_i2c(0, &mx53_evk_i2c_data);
+ imx53_add_imx_i2c(1, &mx53_evk_i2c_data);
+
+ imx53_add_sdhci_esdhc_imx(0, NULL);
+ imx53_add_sdhci_esdhc_imx(1, NULL);
+
+ spi_register_board_info(mx53_evk_spi_board_info,
+ ARRAY_SIZE(mx53_evk_spi_board_info));
+ imx53_add_ecspi(0, &mx53_evk_spi_data);
+ imx53_add_imx2_wdt(0, NULL);
+ gpio_led_register_device(-1, &mx53evk_leds_data);
+}
+
+static void __init mx53_evk_timer_init(void)
+{
+ mx53_clocks_init(32768, 24000000, 22579200, 0);
+}
+
+static struct sys_timer mx53_evk_timer = {
+ .init = mx53_evk_timer_init,
+};
+
+MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board")
+ .map_io = mx53_map_io,
+ .init_early = imx53_init_early,
+ .init_irq = mx53_init_irq,
+ .handle_irq = imx53_handle_irq,
+ .timer = &mx53_evk_timer,
+ .init_machine = mx53_evk_board_init,
+ .restart = mxc_restart,
+MACHINE_END