[ARM] pxa: add initial support for Cogent CSB726 board
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
diff --git a/arch/arm/mach-pxa/csb726.c b/arch/arm/mach-pxa/csb726.c
new file mode 100644
index 0000000..2b289f8
--- /dev/null
+++ b/arch/arm/mach-pxa/csb726.c
@@ -0,0 +1,318 @@
+/*
+ * Support for Cogent CSB726
+ *
+ * Copyright (c) 2008 Dmitry Eremin-Solenikov
+ *
+ * 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
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/partitions.h>
+#include <linux/sm501.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/csb726.h>
+#include <mach/mfp-pxa27x.h>
+#include <mach/i2c.h>
+#include <mach/mmc.h>
+#include <mach/ohci.h>
+#include <mach/pxa2xx-regs.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/*
+ * n/a: 2, 5, 6, 7, 8, 23, 24, 25, 26, 27, 87, 88, 89,
+ * nu: 58 -- 77, 90, 91, 93, 102, 105-108, 114-116,
+ * XXX: 21,
+ * XXX: 79 CS_3 for LAN9215 or PSKTSEL on R2, R3
+ * XXX: 33 CS_5 for LAN9215 on R1
+ */
+
+static unsigned long csb726_pin_config[] = {
+ GPIO78_nCS_2, /* EXP_CS */
+ GPIO79_nCS_3, /* SMSC9215 */
+ GPIO80_nCS_4, /* SM501 */
+
+ GPIO52_GPIO, /* #SMSC9251 int */
+ GPIO53_GPIO, /* SM501 int */
+
+ GPIO1_GPIO, /* GPIO0 */
+ GPIO11_GPIO, /* GPIO1 */
+ GPIO9_GPIO, /* GPIO2 */
+ GPIO10_GPIO, /* GPIO3 */
+ GPIO16_PWM0_OUT, /* or GPIO4 */
+ GPIO17_PWM1_OUT, /* or GPIO5 */
+ GPIO94_GPIO, /* GPIO6 */
+ GPIO95_GPIO, /* GPIO7 */
+ GPIO96_GPIO, /* GPIO8 */
+ GPIO97_GPIO, /* GPIO9 */
+ GPIO15_GPIO, /* EXP_IRQ */
+ GPIO18_RDY, /* EXP_WAIT */
+
+ GPIO0_GPIO, /* PWR_INT */
+ GPIO104_GPIO, /* PWR_OFF */
+
+ GPIO12_GPIO, /* touch irq */
+
+ GPIO13_SSP2_TXD,
+ GPIO14_SSP2_SFRM,
+ MFP_CFG_OUT(GPIO19, AF1, DRIVE_LOW),/* SSP2_SYSCLK */
+ GPIO22_SSP2_SCLK,
+
+ GPIO81_SSP3_TXD,
+ GPIO82_SSP3_RXD,
+ GPIO83_SSP3_SFRM,
+ GPIO84_SSP3_SCLK,
+
+ GPIO20_GPIO, /* SDIO int */
+ GPIO32_MMC_CLK,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+ GPIO112_MMC_CMD,
+ GPIO100_GPIO, /* SD CD */
+ GPIO101_GPIO, /* SD WP */
+
+ GPIO28_AC97_BITCLK,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
+ GPIO113_AC97_nRESET,
+
+ GPIO34_FFUART_RXD,
+ GPIO35_FFUART_CTS,
+ GPIO36_FFUART_DCD,
+ GPIO37_FFUART_DSR,
+ GPIO38_FFUART_RI,
+ GPIO39_FFUART_TXD,
+ GPIO40_FFUART_DTR,
+ GPIO41_FFUART_RTS,
+
+ GPIO42_BTUART_RXD,
+ GPIO43_BTUART_TXD,
+ GPIO44_BTUART_CTS,
+ GPIO45_BTUART_RTS,
+
+ GPIO46_STUART_RXD,
+ GPIO47_STUART_TXD,
+
+ GPIO48_nPOE,
+ GPIO49_nPWE,
+ GPIO50_nPIOR,
+ GPIO51_nPIOW,
+ GPIO54_nPCE_2,
+ GPIO55_nPREG,
+ GPIO56_nPWAIT,
+ GPIO57_nIOIS16, /* maybe unused */
+ GPIO85_nPCE_1,
+ GPIO98_GPIO, /* CF IRQ */
+ GPIO99_GPIO, /* CF CD */
+ GPIO103_GPIO, /* Reset */
+
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+};
+
+static struct pxamci_platform_data csb726_mci_data;
+
+static int csb726_mci_init(struct device *dev,
+ irq_handler_t detect, void *data)
+{
+ int err;
+
+ csb726_mci_data.detect_delay = msecs_to_jiffies(500);
+
+ err = gpio_request(CSB726_GPIO_MMC_DETECT, "MMC detect");
+ if (err)
+ goto err_det_req;
+
+ err = gpio_direction_input(CSB726_GPIO_MMC_DETECT);
+ if (err)
+ goto err_det_dir;
+
+ err = gpio_request(CSB726_GPIO_MMC_RO, "MMC ro");
+ if (err)
+ goto err_ro_req;
+
+ err = gpio_direction_input(CSB726_GPIO_MMC_RO);
+ if (err)
+ goto err_ro_dir;
+
+ err = request_irq(gpio_to_irq(CSB726_GPIO_MMC_DETECT), detect,
+ IRQF_DISABLED, "MMC card detect", data);
+ if (err)
+ goto err_irq;
+
+ return 0;
+
+err_irq:
+err_ro_dir:
+ gpio_free(CSB726_GPIO_MMC_RO);
+err_ro_req:
+err_det_dir:
+ gpio_free(CSB726_GPIO_MMC_DETECT);
+err_det_req:
+ return err;
+}
+
+static int csb726_mci_get_ro(struct device *dev)
+{
+ return gpio_get_value(CSB726_GPIO_MMC_RO);
+}
+
+static void csb726_mci_exit(struct device *dev, void *data)
+{
+ free_irq(gpio_to_irq(CSB726_GPIO_MMC_DETECT), data);
+ gpio_free(CSB726_GPIO_MMC_RO);
+ gpio_free(CSB726_GPIO_MMC_DETECT);
+}
+
+static struct pxamci_platform_data csb726_mci = {
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .init = csb726_mci_init,
+ .get_ro = csb726_mci_get_ro,
+ /* FIXME setpower */
+ .exit = csb726_mci_exit,
+};
+
+static struct pxaohci_platform_data csb726_ohci_platform_data = {
+ .port_mode = PMM_NPS_MODE,
+ .flags = ENABLE_PORT1 | NO_OC_PROTECTION,
+};
+
+static struct mtd_partition csb726_flash_partitions[] = {
+ {
+ .name = "Bootloader",
+ .offset = 0,
+ .size = CSB726_FLASH_uMON,
+ .mask_flags = MTD_WRITEABLE /* force read-only */
+ },
+ {
+ .name = "root",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ }
+};
+
+static struct physmap_flash_data csb726_flash_data = {
+ .width = 2,
+ .parts = csb726_flash_partitions,
+ .nr_parts = ARRAY_SIZE(csb726_flash_partitions),
+};
+
+static struct resource csb726_flash_resources[] = {
+ {
+ .start = PXA_CS0_PHYS,
+ .end = PXA_CS0_PHYS + CSB726_FLASH_SIZE - 1 ,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device csb726_flash = {
+ .name = "physmap-flash",
+ .dev = {
+ .platform_data = &csb726_flash_data,
+ },
+ .resource = csb726_flash_resources,
+ .num_resources = ARRAY_SIZE(csb726_flash_resources),
+};
+
+static struct resource csb726_sm501_resources[] = {
+ {
+ .start = PXA_CS4_PHYS,
+ .end = PXA_CS4_PHYS + SZ_8M - 1,
+ .flags = IORESOURCE_MEM,
+ .name = "sm501-localmem",
+ },
+ {
+ .start = PXA_CS4_PHYS + SZ_64M - SZ_2M,
+ .end = PXA_CS4_PHYS + SZ_64M - 1,
+ .flags = IORESOURCE_MEM,
+ .name = "sm501-regs",
+ },
+ {
+ .start = CSB726_IRQ_SM501,
+ .end = CSB726_IRQ_SM501,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct sm501_initdata csb726_sm501_initdata = {
+/* .devices = SM501_USE_USB_HOST, */
+ .devices = SM501_USE_USB_HOST | SM501_USE_UART0 | SM501_USE_UART1,
+};
+
+static struct sm501_platdata csb726_sm501_platdata = {
+ .init = &csb726_sm501_initdata,
+};
+
+static struct platform_device csb726_sm501 = {
+ .name = "sm501",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(csb726_sm501_resources),
+ .resource = csb726_sm501_resources,
+ .dev = {
+ .platform_data = &csb726_sm501_platdata,
+ },
+};
+
+static struct resource csb726_lan_resources[] = {
+ {
+ .start = PXA_CS3_PHYS,
+ .end = PXA_CS3_PHYS + SZ_64K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = CSB726_IRQ_LAN,
+ .end = CSB726_IRQ_LAN,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device csb726_lan = {
+ .name = "smc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(csb726_lan_resources),
+ .resource = csb726_lan_resources,
+};
+
+static struct platform_device *devices[] __initdata = {
+ &csb726_flash,
+ &csb726_sm501,
+ &csb726_lan,
+};
+
+static void __init csb726_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config));
+/* MSC1 = 0x7ffc3ffc; *//* LAN9215/EXP_CS */
+/* MSC2 = 0x06697ff4; *//* none/SM501 */
+ MSC2 = (MSC2 & ~0xffff) | 0x7ff4; /* SM501 */
+
+ pxa_set_i2c_info(NULL);
+ pxa27x_set_i2c_power_info(NULL);
+ pxa_set_mci_info(&csb726_mci);
+ pxa_set_ohci_info(&csb726_ohci_platform_data);
+
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+MACHINE_START(CSB726, "Cogent CSB726")
+ .phys_io = 0x40000000,
+ .boot_params = 0xa0000100,
+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+ .map_io = pxa_map_io,
+ .init_irq = pxa27x_init_irq,
+ .init_machine = csb726_init,
+ .timer = &pxa_timer,
+MACHINE_END