Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / arm / mach-mx5 / board-mx53_evk.c

diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
new file mode 100644 (file)
index 0000000..caee04c
--- /dev/null
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2010 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/fec.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/imx-uart.h>
+#include <mach/iomux-mx53.h>
+
+#define SMD_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)
+
+#include "crm_regs.h"
+#include "devices-imx53.h"
+
+static iomux_v3_cfg_t mx53_evk_pads[] = {
+       MX53_PAD_CSI0_D10__UART1_TXD,
+       MX53_PAD_CSI0_D11__UART1_RXD,
+       MX53_PAD_ATA_DIOW__UART1_TXD,
+       MX53_PAD_ATA_DMACK__UART1_RXD,
+
+       MX53_PAD_ATA_BUFFER_EN__UART2_RXD,
+       MX53_PAD_ATA_DMARQ__UART2_TXD,
+       MX53_PAD_ATA_DIOR__UART2_RTS,
+       MX53_PAD_ATA_INTRQ__UART2_CTS,
+
+       MX53_PAD_ATA_CS_0__UART3_TXD,
+       MX53_PAD_ATA_CS_1__UART3_RXD,
+       MX53_PAD_ATA_DA_1__UART3_CTS,
+       MX53_PAD_ATA_DA_2__UART3_RTS,
+
+       MX53_PAD_EIM_D16__CSPI1_SCLK,
+       MX53_PAD_EIM_D17__CSPI1_MISO,
+       MX53_PAD_EIM_D18__CSPI1_MOSI,
+
+       /* ecspi chip select lines */
+       MX53_PAD_EIM_EB2__GPIO_2_30,
+       MX53_PAD_EIM_D19__GPIO_3_19,
+};
+
+static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = {
+       .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static inline void mx53_evk_init_uart(void)
+{
+       imx53_add_imx_uart(0, &mx53_evk_uart_pdata);
+       imx53_add_imx_uart(1, &mx53_evk_uart_pdata);
+       imx53_add_imx_uart(2, &mx53_evk_uart_pdata);
+}
+
+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(SMD_FEC_PHY_RST, "fec-phy-reset");
+       if (ret) {
+               printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
+               return;
+       }
+       gpio_direction_output(SMD_FEC_PHY_RST, 0);
+       gpio_set_value(SMD_FEC_PHY_RST, 0);
+       msleep(1);
+       gpio_set_value(SMD_FEC_PHY_RST, 1);
+}
+
+static struct fec_platform_data mx53_evk_fec_pdata = {
+       .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),
+};
+
+static void __init mx53_evk_board_init(void)
+{
+       mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
+                                       ARRAY_SIZE(mx53_evk_pads));
+       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);
+}
+
+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_irq = mx53_init_irq,
+       .init_machine = mx53_evk_board_init,
+       .timer = &mx53_evk_timer,
+MACHINE_END