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-rw-r--r--arch/arm/mach-mmp/ttc_dkb.c166
1 files changed, 166 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/ttc_dkb.c b/arch/arm/mach-mmp/ttc_dkb.c
new file mode 100644
index 00000000..3fc9ed21
--- /dev/null
+++ b/arch/arm/mach-mmp/ttc_dkb.c
@@ -0,0 +1,166 @@
+/*
+ * linux/arch/arm/mach-mmp/ttc_dkb.c
+ *
+ * Support for the Marvell PXA910-based TTC_DKB Development Platform.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * publishhed by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/onenand.h>
+#include <linux/interrupt.h>
+#include <linux/i2c/pca953x.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <mach/addr-map.h>
+#include <mach/mfp-pxa910.h>
+#include <mach/pxa910.h>
+#include <mach/irqs.h>
+
+#include "common.h"
+
+#define TTCDKB_GPIO_EXT0(x) (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 : \
+ ((x < 16) ? x : 15)))
+#define TTCDKB_GPIO_EXT1(x) (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
+ ((x < 16) ? x : 15)))
+
+/*
+ * 16 board interrupts -- MAX7312 GPIO expander
+ * 16 board interrupts -- PCA9575 GPIO expander
+ * 24 board interrupts -- 88PM860x PMIC
+ */
+#define TTCDKB_NR_IRQS (MMP_NR_IRQS + 16 + 16 + 24)
+
+static unsigned long ttc_dkb_pin_config[] __initdata = {
+ /* UART2 */
+ GPIO47_UART2_RXD,
+ GPIO48_UART2_TXD,
+
+ /* DFI */
+ DF_IO0_ND_IO0,
+ DF_IO1_ND_IO1,
+ DF_IO2_ND_IO2,
+ DF_IO3_ND_IO3,
+ DF_IO4_ND_IO4,
+ DF_IO5_ND_IO5,
+ DF_IO6_ND_IO6,
+ DF_IO7_ND_IO7,
+ DF_IO8_ND_IO8,
+ DF_IO9_ND_IO9,
+ DF_IO10_ND_IO10,
+ DF_IO11_ND_IO11,
+ DF_IO12_ND_IO12,
+ DF_IO13_ND_IO13,
+ DF_IO14_ND_IO14,
+ DF_IO15_ND_IO15,
+ DF_nCS0_SM_nCS2_nCS0,
+ DF_ALE_SM_WEn_ND_ALE,
+ DF_CLE_SM_OEn_ND_CLE,
+ DF_WEn_DF_WEn,
+ DF_REn_DF_REn,
+ DF_RDY0_DF_RDY0,
+};
+
+static struct mtd_partition ttc_dkb_onenand_partitions[] = {
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = SZ_1M,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "reserved",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_128K,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "reserved",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_8M,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = (SZ_2M + SZ_1M),
+ .mask_flags = 0,
+ }, {
+ .name = "filesystem",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_32M + SZ_16M,
+ .mask_flags = 0,
+ }
+};
+
+static struct onenand_platform_data ttc_dkb_onenand_info = {
+ .parts = ttc_dkb_onenand_partitions,
+ .nr_parts = ARRAY_SIZE(ttc_dkb_onenand_partitions),
+};
+
+static struct resource ttc_dkb_resource_onenand[] = {
+ [0] = {
+ .start = SMC_CS0_PHYS_BASE,
+ .end = SMC_CS0_PHYS_BASE + SZ_1M,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device ttc_dkb_device_onenand = {
+ .name = "onenand-flash",
+ .id = -1,
+ .resource = ttc_dkb_resource_onenand,
+ .num_resources = ARRAY_SIZE(ttc_dkb_resource_onenand),
+ .dev = {
+ .platform_data = &ttc_dkb_onenand_info,
+ },
+};
+
+static struct platform_device *ttc_dkb_devices[] = {
+ &pxa910_device_gpio,
+ &pxa910_device_rtc,
+ &ttc_dkb_device_onenand,
+};
+
+static struct pca953x_platform_data max7312_data[] = {
+ {
+ .gpio_base = TTCDKB_GPIO_EXT0(0),
+ .irq_base = MMP_NR_IRQS,
+ },
+};
+
+static struct i2c_board_info ttc_dkb_i2c_info[] = {
+ {
+ .type = "max7312",
+ .addr = 0x23,
+ .irq = MMP_GPIO_TO_IRQ(80),
+ .platform_data = &max7312_data,
+ },
+};
+
+static void __init ttc_dkb_init(void)
+{
+ mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
+
+ /* on-chip devices */
+ pxa910_add_uart(1);
+
+ /* off-chip devices */
+ pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
+ platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
+}
+
+MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
+ .map_io = mmp_map_io,
+ .nr_irqs = TTCDKB_NR_IRQS,
+ .init_irq = pxa910_init_irq,
+ .timer = &pxa910_timer,
+ .init_machine = ttc_dkb_init,
+ .restart = mmp_restart,
+MACHINE_END