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-rw-r--r--arch/arm/mach-mx5/board-mx51_babbage.c119
1 files changed, 100 insertions, 19 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index 6e384d92e625..acbe30df2e69 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
*
* The code contained herein is licensed under the GNU General Public
@@ -17,12 +17,13 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/fsl_devices.h>
+#include <linux/fec.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
#include <mach/common.h>
#include <mach/hardware.h>
-#include <mach/imx-uart.h>
#include <mach/iomux-mx51.h>
-#include <mach/i2c.h>
#include <mach/mxc_ehci.h>
#include <asm/irq.h>
@@ -31,11 +32,15 @@
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
+#include "devices-imx51.h"
#include "devices.h"
+#include "cpu_op-mx51.h"
#define BABBAGE_USB_HUB_RESET (0*32 + 7) /* GPIO_1_7 */
#define BABBAGE_USBH1_STP (0*32 + 27) /* GPIO_1_27 */
-#define BABBAGE_PHY_RESET (1*32 +5) /* GPIO_2_5 */
+#define BABBAGE_PHY_RESET (1*32 + 5) /* GPIO_2_5 */
+#define BABBAGE_FEC_PHY_RESET (1*32 + 14) /* GPIO_2_14 */
+#define BABBAGE_POWER_KEY (1*32 + 21) /* GPIO_2_21 */
/* USB_CTRL_1 */
#define MX51_USB_CTRL_1_OFFSET 0x10
@@ -45,8 +50,19 @@
#define MX51_USB_PLL_DIV_19_2_MHZ 0x01
#define MX51_USB_PLL_DIV_24_MHZ 0x02
-static struct platform_device *devices[] __initdata = {
- &mxc_fec_device,
+static struct gpio_keys_button babbage_buttons[] = {
+ {
+ .gpio = BABBAGE_POWER_KEY,
+ .code = BTN_0,
+ .desc = "PWR",
+ .active_low = 1,
+ .wakeup = 1,
+ },
+};
+
+static const struct gpio_keys_platform_data imx_button_data __initconst = {
+ .buttons = babbage_buttons,
+ .nbuttons = ARRAY_SIZE(babbage_buttons),
};
static struct pad_desc mx51babbage_pads[] = {
@@ -93,19 +109,57 @@ static struct pad_desc mx51babbage_pads[] = {
/* USB HUB reset line*/
MX51_PAD_GPIO_1_7__GPIO_1_7,
+
+ /* FEC */
+ MX51_PAD_EIM_EB2__FEC_MDIO,
+ MX51_PAD_EIM_EB3__FEC_RDAT1,
+ MX51_PAD_EIM_CS2__FEC_RDAT2,
+ MX51_PAD_EIM_CS3__FEC_RDAT3,
+ MX51_PAD_EIM_CS4__FEC_RX_ER,
+ MX51_PAD_EIM_CS5__FEC_CRS,
+ MX51_PAD_NANDF_RB2__FEC_COL,
+ MX51_PAD_NANDF_RB3__FEC_RXCLK,
+ MX51_PAD_NANDF_RB6__FEC_RDAT0,
+ MX51_PAD_NANDF_RB7__FEC_TDAT0,
+ MX51_PAD_NANDF_CS2__FEC_TX_ER,
+ MX51_PAD_NANDF_CS3__FEC_MDC,
+ MX51_PAD_NANDF_CS4__FEC_TDAT1,
+ MX51_PAD_NANDF_CS5__FEC_TDAT2,
+ MX51_PAD_NANDF_CS6__FEC_TDAT3,
+ MX51_PAD_NANDF_CS7__FEC_TX_EN,
+ MX51_PAD_NANDF_RDY_INT__FEC_TX_CLK,
+
+ /* FEC PHY reset line */
+ MX51_PAD_EIM_A20__GPIO_2_14,
+
+ /* SD 1 */
+ MX51_PAD_SD1_CMD__SD1_CMD,
+ MX51_PAD_SD1_CLK__SD1_CLK,
+ MX51_PAD_SD1_DATA0__SD1_DATA0,
+ MX51_PAD_SD1_DATA1__SD1_DATA1,
+ MX51_PAD_SD1_DATA2__SD1_DATA2,
+ MX51_PAD_SD1_DATA3__SD1_DATA3,
+
+ /* SD 2 */
+ MX51_PAD_SD2_CMD__SD2_CMD,
+ MX51_PAD_SD2_CLK__SD2_CLK,
+ MX51_PAD_SD2_DATA0__SD2_DATA0,
+ MX51_PAD_SD2_DATA1__SD2_DATA1,
+ MX51_PAD_SD2_DATA2__SD2_DATA2,
+ MX51_PAD_SD2_DATA3__SD2_DATA3,
};
/* Serial ports */
#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
-static struct imxuart_platform_data uart_pdata = {
+static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
static inline void mxc_init_imx_uart(void)
{
- mxc_register_device(&mxc_uart_device0, &uart_pdata);
- mxc_register_device(&mxc_uart_device1, &uart_pdata);
- mxc_register_device(&mxc_uart_device2, &uart_pdata);
+ imx51_add_imx_uart(0, &uart_pdata);
+ imx51_add_imx_uart(1, &uart_pdata);
+ imx51_add_imx_uart(2, &uart_pdata);
}
#else /* !SERIAL_IMX */
static inline void mxc_init_imx_uart(void)
@@ -113,7 +167,7 @@ static inline void mxc_init_imx_uart(void)
}
#endif /* SERIAL_IMX */
-static struct imxi2c_platform_data babbage_i2c_data = {
+static const struct imxi2c_platform_data babbage_i2c_data __initconst = {
.bitrate = 100000,
};
@@ -171,6 +225,22 @@ static inline void babbage_usbhub_reset(void)
gpio_set_value(BABBAGE_USB_HUB_RESET, 1);
}
+static inline void babbage_fec_reset(void)
+{
+ int ret;
+
+ /* reset FEC PHY */
+ ret = gpio_request(BABBAGE_FEC_PHY_RESET, "fec-phy-reset");
+ if (ret) {
+ printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
+ return;
+ }
+ gpio_direction_output(BABBAGE_FEC_PHY_RESET, 0);
+ gpio_set_value(BABBAGE_FEC_PHY_RESET, 0);
+ msleep(1);
+ gpio_set_value(BABBAGE_FEC_PHY_RESET, 1);
+}
+
/* This function is board specific as the bit mask for the plldiv will also
be different for other Freescale SoCs, thus a common bitmask is not
possible and cannot get place in /plat-mxc/ehci.c.*/
@@ -178,7 +248,7 @@ static int initialize_otg_port(struct platform_device *pdev)
{
u32 v;
void __iomem *usb_base;
- u32 usbother_base;
+ void __iomem *usbother_base;
usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
@@ -196,7 +266,7 @@ static int initialize_usbh1_port(struct platform_device *pdev)
{
u32 v;
void __iomem *usb_base;
- u32 usbother_base;
+ void __iomem *usbother_base;
usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
@@ -246,14 +316,24 @@ __setup("otg_mode=", babbage_otg_mode);
static void __init mxc_board_init(void)
{
struct pad_desc usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP;
+ struct pad_desc power_key = MX51_PAD_EIM_A27__GPIO_2_21;
+#if defined(CONFIG_CPU_FREQ_IMX)
+ get_cpu_op = mx51_get_cpu_op;
+#endif
mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
ARRAY_SIZE(mx51babbage_pads));
mxc_init_imx_uart();
- platform_add_devices(devices, ARRAY_SIZE(devices));
+ babbage_fec_reset();
+ imx51_add_fec(NULL);
+
+ /* Set the PAD settings for the pwr key. */
+ power_key.pad_ctrl = MX51_GPIO_PAD_CTRL_2;
+ mxc_iomux_v3_setup_pad(&power_key);
+ imx51_add_gpio_keys(&imx_button_data);
- mxc_register_device(&mxc_i2c_device0, &babbage_i2c_data);
- mxc_register_device(&mxc_i2c_device1, &babbage_i2c_data);
+ imx51_add_imx_i2c(0, &babbage_i2c_data);
+ imx51_add_imx_i2c(1, &babbage_i2c_data);
mxc_register_device(&mxc_hsi2c_device, &babbage_hsi2c_data);
if (otg_mode_host)
@@ -268,6 +348,9 @@ static void __init mxc_board_init(void)
/* setback USBH1_STP to be function */
mxc_iomux_v3_setup_pad(&usbh1stp);
babbage_usbhub_reset();
+
+ imx51_add_esdhc(0, NULL);
+ imx51_add_esdhc(1, NULL);
}
static void __init mx51_babbage_timer_init(void)
@@ -281,9 +364,7 @@ static struct sys_timer mxc_timer = {
MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board")
/* Maintainer: Amit Kucheria <amit.kucheria@canonical.com> */
- .phys_io = MX51_AIPS1_BASE_ADDR,
- .io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
- .boot_params = PHYS_OFFSET + 0x100,
+ .boot_params = MX51_PHYS_OFFSET + 0x100,
.map_io = mx51_map_io,
.init_irq = mx51_init_irq,
.init_machine = mxc_board_init,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.