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Diffstat (limited to 'arch/arm/mach-imx/mach-mx53_ard.c')
-rw-r--r--arch/arm/mach-imx/mach-mx53_ard.c262
1 files changed, 262 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx53_ard.c b/arch/arm/mach-imx/mach-mx53_ard.c
new file mode 100644
index 00000000000..753f4fc9ec0
--- /dev/null
+++ b/arch/arm/mach-imx/mach-mx53_ard.c
@@ -0,0 +1,262 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * 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/smsc911x.h>
+
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/iomux-mx53.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include "devices-imx53.h"
+
+#define ARD_ETHERNET_INT_B IMX_GPIO_NR(2, 31)
+#define ARD_SD1_CD IMX_GPIO_NR(1, 1)
+#define ARD_SD1_WP IMX_GPIO_NR(1, 9)
+#define ARD_I2CPORTEXP_B IMX_GPIO_NR(2, 3)
+#define ARD_VOLUMEDOWN IMX_GPIO_NR(4, 0)
+#define ARD_HOME IMX_GPIO_NR(5, 10)
+#define ARD_BACK IMX_GPIO_NR(5, 11)
+#define ARD_PROG IMX_GPIO_NR(5, 12)
+#define ARD_VOLUMEUP IMX_GPIO_NR(5, 13)
+
+static iomux_v3_cfg_t mx53_ard_pads[] = {
+ /* UART1 */
+ MX53_PAD_PATA_DIOW__UART1_TXD_MUX,
+ MX53_PAD_PATA_DMACK__UART1_RXD_MUX,
+ /* WEIM for CS1 */
+ MX53_PAD_EIM_EB3__GPIO2_31, /* ETHERNET_INT_B */
+ MX53_PAD_EIM_D16__EMI_WEIM_D_16,
+ MX53_PAD_EIM_D17__EMI_WEIM_D_17,
+ MX53_PAD_EIM_D18__EMI_WEIM_D_18,
+ MX53_PAD_EIM_D19__EMI_WEIM_D_19,
+ MX53_PAD_EIM_D20__EMI_WEIM_D_20,
+ MX53_PAD_EIM_D21__EMI_WEIM_D_21,
+ MX53_PAD_EIM_D22__EMI_WEIM_D_22,
+ MX53_PAD_EIM_D23__EMI_WEIM_D_23,
+ MX53_PAD_EIM_D24__EMI_WEIM_D_24,
+ MX53_PAD_EIM_D25__EMI_WEIM_D_25,
+ MX53_PAD_EIM_D26__EMI_WEIM_D_26,
+ MX53_PAD_EIM_D27__EMI_WEIM_D_27,
+ MX53_PAD_EIM_D28__EMI_WEIM_D_28,
+ MX53_PAD_EIM_D29__EMI_WEIM_D_29,
+ MX53_PAD_EIM_D30__EMI_WEIM_D_30,
+ MX53_PAD_EIM_D31__EMI_WEIM_D_31,
+ MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0,
+ MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1,
+ MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2,
+ MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3,
+ MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4,
+ MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5,
+ MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6,
+ MX53_PAD_EIM_OE__EMI_WEIM_OE,
+ MX53_PAD_EIM_RW__EMI_WEIM_RW,
+ MX53_PAD_EIM_CS1__EMI_WEIM_CS_1,
+ /* SDHC1 */
+ 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,
+ MX53_PAD_PATA_DATA8__ESDHC1_DAT4,
+ MX53_PAD_PATA_DATA9__ESDHC1_DAT5,
+ MX53_PAD_PATA_DATA10__ESDHC1_DAT6,
+ MX53_PAD_PATA_DATA11__ESDHC1_DAT7,
+ MX53_PAD_GPIO_1__GPIO1_1,
+ MX53_PAD_GPIO_9__GPIO1_9,
+ /* I2C2 */
+ MX53_PAD_EIM_EB2__I2C2_SCL,
+ MX53_PAD_KEY_ROW3__I2C2_SDA,
+ /* I2C3 */
+ MX53_PAD_GPIO_3__I2C3_SCL,
+ MX53_PAD_GPIO_16__I2C3_SDA,
+ /* GPIO */
+ MX53_PAD_DISP0_DAT16__GPIO5_10, /* home */
+ MX53_PAD_DISP0_DAT17__GPIO5_11, /* back */
+ MX53_PAD_DISP0_DAT18__GPIO5_12, /* prog */
+ MX53_PAD_DISP0_DAT19__GPIO5_13, /* vol up */
+ MX53_PAD_GPIO_10__GPIO4_0, /* vol down */
+};
+
+#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \
+{ \
+ .gpio = gpio_num, \
+ .type = EV_KEY, \
+ .code = ev_code, \
+ .active_low = act_low, \
+ .desc = "btn " descr, \
+ .wakeup = wake, \
+}
+
+static struct gpio_keys_button ard_buttons[] = {
+ GPIO_BUTTON(ARD_HOME, KEY_HOME, 1, "home", 0),
+ GPIO_BUTTON(ARD_BACK, KEY_BACK, 1, "back", 0),
+ GPIO_BUTTON(ARD_PROG, KEY_PROGRAM, 1, "program", 0),
+ GPIO_BUTTON(ARD_VOLUMEUP, KEY_VOLUMEUP, 1, "volume-up", 0),
+ GPIO_BUTTON(ARD_VOLUMEDOWN, KEY_VOLUMEDOWN, 1, "volume-down", 0),
+};
+
+static const struct gpio_keys_platform_data ard_button_data __initconst = {
+ .buttons = ard_buttons,
+ .nbuttons = ARRAY_SIZE(ard_buttons),
+};
+
+static struct resource ard_smsc911x_resources[] = {
+ {
+ .start = MX53_CS1_64MB_BASE_ADDR,
+ .end = MX53_CS1_64MB_BASE_ADDR + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IMX_GPIO_TO_IRQ(ARD_ETHERNET_INT_B),
+ .end = IMX_GPIO_TO_IRQ(ARD_ETHERNET_INT_B),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct smsc911x_platform_config ard_smsc911x_config = {
+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+ .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
+ .flags = SMSC911X_USE_32BIT,
+};
+
+static struct platform_device ard_smsc_lan9220_device = {
+ .name = "smsc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ard_smsc911x_resources),
+ .resource = ard_smsc911x_resources,
+ .dev = {
+ .platform_data = &ard_smsc911x_config,
+ },
+};
+
+static const struct esdhc_platform_data mx53_ard_sd1_data __initconst = {
+ .cd_gpio = ARD_SD1_CD,
+ .wp_gpio = ARD_SD1_WP,
+};
+
+static struct imxi2c_platform_data mx53_ard_i2c2_data = {
+ .bitrate = 50000,
+};
+
+static struct imxi2c_platform_data mx53_ard_i2c3_data = {
+ .bitrate = 400000,
+};
+
+static void __init mx53_ard_io_init(void)
+{
+ gpio_request(ARD_ETHERNET_INT_B, "eth-int-b");
+ gpio_direction_input(ARD_ETHERNET_INT_B);
+
+ gpio_request(ARD_I2CPORTEXP_B, "i2cptexp-rst");
+ gpio_direction_output(ARD_I2CPORTEXP_B, 1);
+}
+
+/* Config CS1 settings for ethernet controller */
+static int weim_cs_config(void)
+{
+ u32 reg;
+ void __iomem *weim_base, *iomuxc_base;
+
+ weim_base = ioremap(MX53_WEIM_BASE_ADDR, SZ_4K);
+ if (!weim_base)
+ return -ENOMEM;
+
+ iomuxc_base = ioremap(MX53_IOMUXC_BASE_ADDR, SZ_4K);
+ if (!iomuxc_base) {
+ iounmap(weim_base);
+ return -ENOMEM;
+ }
+
+ /* CS1 timings for LAN9220 */
+ writel(0x20001, (weim_base + 0x18));
+ writel(0x0, (weim_base + 0x1C));
+ writel(0x16000202, (weim_base + 0x20));
+ writel(0x00000002, (weim_base + 0x24));
+ writel(0x16002082, (weim_base + 0x28));
+ writel(0x00000000, (weim_base + 0x2C));
+ writel(0x00000000, (weim_base + 0x90));
+
+ /* specify 64 MB on CS1 and CS0 on GPR1 */
+ reg = readl(iomuxc_base + 0x4);
+ reg &= ~0x3F;
+ reg |= 0x1B;
+ writel(reg, (iomuxc_base + 0x4));
+
+ iounmap(iomuxc_base);
+ iounmap(weim_base);
+
+ return 0;
+}
+
+void __init imx53_ard_common_init(void)
+{
+ mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads,
+ ARRAY_SIZE(mx53_ard_pads));
+ weim_cs_config();
+}
+
+static struct platform_device *devices[] __initdata = {
+ &ard_smsc_lan9220_device,
+};
+
+static void __init mx53_ard_board_init(void)
+{
+ imx53_soc_init();
+ imx53_add_imx_uart(0, NULL);
+
+ imx53_ard_common_init();
+ mx53_ard_io_init();
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+
+ imx53_add_sdhci_esdhc_imx(0, &mx53_ard_sd1_data);
+ imx53_add_imx2_wdt(0, NULL);
+ imx53_add_imx_i2c(1, &mx53_ard_i2c2_data);
+ imx53_add_imx_i2c(2, &mx53_ard_i2c3_data);
+ imx_add_gpio_keys(&ard_button_data);
+ imx53_add_ahci_imx();
+}
+
+static void __init mx53_ard_timer_init(void)
+{
+ mx53_clocks_init(32768, 24000000, 22579200, 0);
+}
+
+static struct sys_timer mx53_ard_timer = {
+ .init = mx53_ard_timer_init,
+};
+
+MACHINE_START(MX53_ARD, "Freescale MX53 ARD Board")
+ .map_io = mx53_map_io,
+ .init_early = imx53_init_early,
+ .init_irq = mx53_init_irq,
+ .handle_irq = imx53_handle_irq,
+ .timer = &mx53_ard_timer,
+ .init_machine = mx53_ard_board_init,
+ .restart = mxc_restart,
+MACHINE_END