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Diffstat (limited to 'arch/arm/mach-mx3/mach-mx31_3ds.c')
-rw-r--r--arch/arm/mach-mx3/mach-mx31_3ds.c116
1 files changed, 97 insertions, 19 deletions
diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c
index b88c18ad7698..f54af1e29ca4 100644
--- a/arch/arm/mach-mx3/mach-mx31_3ds.c
+++ b/arch/arm/mach-mx3/mach-mx31_3ds.c
@@ -23,6 +23,9 @@
#include <linux/gpio.h>
#include <linux/smsc911x.h>
#include <linux/platform_device.h>
+#include <linux/mfd/mc13783.h>
+#include <linux/spi/spi.h>
+#include <linux/regulator/machine.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -31,26 +34,96 @@
#include <asm/memory.h>
#include <asm/mach/map.h>
#include <mach/common.h>
-#include <mach/board-mx31pdk.h>
+#include <mach/board-mx31_3ds.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
+#include <mach/mxc_nand.h>
+#include <mach/spi.h>
#include "devices.h"
/*!
- * @file mx31pdk.c
+ * @file mx31_3ds.c
*
* @brief This file contains the board-specific initialization routines.
*
* @ingroup System
*/
-static int mx31pdk_pins[] = {
+static int mx31_3ds_pins[] = {
/* UART1 */
MX31_PIN_CTS1__CTS1,
MX31_PIN_RTS1__RTS1,
MX31_PIN_TXD1__TXD1,
MX31_PIN_RXD1__RXD1,
IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
+ /* SPI 1 */
+ MX31_PIN_CSPI2_SCLK__SCLK,
+ MX31_PIN_CSPI2_MOSI__MOSI,
+ MX31_PIN_CSPI2_MISO__MISO,
+ MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
+ MX31_PIN_CSPI2_SS0__SS0,
+ MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
+ /* MC13783 IRQ */
+ IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO),
+};
+
+/* Regulators */
+static struct regulator_init_data pwgtx_init = {
+ .constraints = {
+ .boot_on = 1,
+ .always_on = 1,
+ },
+};
+
+static struct mc13783_regulator_init_data mx31_3ds_regulators[] = {
+ {
+ .id = MC13783_REGU_PWGT1SPI, /* Power Gate for ARM core. */
+ .init_data = &pwgtx_init,
+ }, {
+ .id = MC13783_REGU_PWGT2SPI, /* Power Gate for L2 Cache. */
+ .init_data = &pwgtx_init,
+ },
+};
+
+/* MC13783 */
+static struct mc13783_platform_data mc13783_pdata __initdata = {
+ .regulators = mx31_3ds_regulators,
+ .num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
+ .flags = MC13783_USE_REGULATOR,
+};
+
+/* SPI */
+static int spi1_internal_chipselect[] = {
+ MXC_SPI_CS(0),
+ MXC_SPI_CS(2),
+};
+
+static struct spi_imx_master spi1_pdata = {
+ .chipselect = spi1_internal_chipselect,
+ .num_chipselect = ARRAY_SIZE(spi1_internal_chipselect),
+};
+
+static struct spi_board_info mx31_3ds_spi_devs[] __initdata = {
+ {
+ .modalias = "mc13783",
+ .max_speed_hz = 1000000,
+ .bus_num = 1,
+ .chip_select = 1, /* SS2 */
+ .platform_data = &mc13783_pdata,
+ .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
+ .mode = SPI_CS_HIGH,
+ },
+};
+
+/*
+ * NAND Flash
+ */
+static struct mxc_nand_platform_data imx31_3ds_nand_flash_pdata = {
+ .width = 1,
+ .hw_ecc = 1,
+#ifdef MACH_MX31_3DS_MXC_NAND_USE_BBT
+ .flash_bbt = 1,
+#endif
};
static struct imxuart_platform_data uart_pdata = {
@@ -95,7 +168,7 @@ static struct platform_device smsc911x_device = {
* LEDs, switches, interrupts for Ethernet.
*/
-static void mx31pdk_expio_irq_handler(uint32_t irq, struct irq_desc *desc)
+static void mx31_3ds_expio_irq_handler(uint32_t irq, struct irq_desc *desc)
{
uint32_t imr_val;
uint32_t int_valid;
@@ -163,7 +236,7 @@ static struct irq_chip expio_irq_chip = {
.unmask = expio_unmask_irq,
};
-static int __init mx31pdk_init_expio(void)
+static int __init mx31_3ds_init_expio(void)
{
int i;
int ret;
@@ -176,7 +249,7 @@ static int __init mx31pdk_init_expio(void)
return -ENODEV;
}
- pr_info("i.MX31PDK Debug board detected, rev = 0x%04X\n",
+ pr_info("i.MX31 3DS Debug board detected, rev = 0x%04X\n",
__raw_readw(CPLD_CODE_VER_REG));
/*
@@ -201,7 +274,7 @@ static int __init mx31pdk_init_expio(void)
set_irq_flags(i, IRQF_VALID);
}
set_irq_type(EXPIO_PARENT_INT, IRQ_TYPE_LEVEL_LOW);
- set_irq_chained_handler(EXPIO_PARENT_INT, mx31pdk_expio_irq_handler);
+ set_irq_chained_handler(EXPIO_PARENT_INT, mx31_3ds_expio_irq_handler);
return 0;
}
@@ -209,7 +282,7 @@ static int __init mx31pdk_init_expio(void)
/*
* This structure defines the MX31 memory map.
*/
-static struct map_desc mx31pdk_io_desc[] __initdata = {
+static struct map_desc mx31_3ds_io_desc[] __initdata = {
{
.virtual = MX31_CS5_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX31_CS5_BASE_ADDR),
@@ -221,10 +294,10 @@ static struct map_desc mx31pdk_io_desc[] __initdata = {
/*
* Set up static virtual mappings.
*/
-static void __init mx31pdk_map_io(void)
+static void __init mx31_3ds_map_io(void)
{
mx31_map_io();
- iotable_init(mx31pdk_io_desc, ARRAY_SIZE(mx31pdk_io_desc));
+ iotable_init(mx31_3ds_io_desc, ARRAY_SIZE(mx31_3ds_io_desc));
}
/*!
@@ -232,35 +305,40 @@ static void __init mx31pdk_map_io(void)
*/
static void __init mxc_board_init(void)
{
- mxc_iomux_setup_multiple_pins(mx31pdk_pins, ARRAY_SIZE(mx31pdk_pins),
- "mx31pdk");
+ mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins),
+ "mx31_3ds");
mxc_register_device(&mxc_uart_device0, &uart_pdata);
+ mxc_register_device(&mxc_nand_device, &imx31_3ds_nand_flash_pdata);
+
+ mxc_register_device(&mxc_spi_device1, &spi1_pdata);
+ spi_register_board_info(mx31_3ds_spi_devs,
+ ARRAY_SIZE(mx31_3ds_spi_devs));
- if (!mx31pdk_init_expio())
+ if (!mx31_3ds_init_expio())
platform_device_register(&smsc911x_device);
}
-static void __init mx31pdk_timer_init(void)
+static void __init mx31_3ds_timer_init(void)
{
mx31_clocks_init(26000000);
}
-static struct sys_timer mx31pdk_timer = {
- .init = mx31pdk_timer_init,
+static struct sys_timer mx31_3ds_timer = {
+ .init = mx31_3ds_timer_init,
};
/*
* The following uses standard kernel macros defined in arch.h in order to
- * initialize __mach_desc_MX31PDK data structure.
+ * initialize __mach_desc_MX31_3DS data structure.
*/
MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
/* Maintainer: Freescale Semiconductor, Inc. */
.phys_io = MX31_AIPS1_BASE_ADDR,
.io_pg_offst = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
.boot_params = MX3x_PHYS_OFFSET + 0x100,
- .map_io = mx31pdk_map_io,
+ .map_io = mx31_3ds_map_io,
.init_irq = mx31_init_irq,
.init_machine = mxc_board_init,
- .timer = &mx31pdk_timer,
+ .timer = &mx31_3ds_timer,
MACHINE_END