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-rw-r--r--arch/sh/boards/mach-kfr2r09/setup.c386
1 files changed, 386 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
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+++ b/arch/sh/boards/mach-kfr2r09/setup.c
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+/*
+ * KFR2R09 board support code
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/onenand.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/usb/r8a66597.h>
+#include <video/sh_mobile_lcdc.h>
+#include <asm/clock.h>
+#include <asm/machvec.h>
+#include <asm/io.h>
+#include <asm/sh_keysc.h>
+#include <cpu/sh7724.h>
+#include <mach/kfr2r09.h>
+
+static struct mtd_partition kfr2r09_nor_flash_partitions[] =
+{
+ {
+ .name = "boot",
+ .offset = 0,
+ .size = (4 * 1024 * 1024),
+ .mask_flags = MTD_WRITEABLE, /* Read-only */
+ },
+ {
+ .name = "other",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct physmap_flash_data kfr2r09_nor_flash_data = {
+ .width = 2,
+ .parts = kfr2r09_nor_flash_partitions,
+ .nr_parts = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
+};
+
+static struct resource kfr2r09_nor_flash_resources[] = {
+ [0] = {
+ .name = "NOR Flash",
+ .start = 0x00000000,
+ .end = 0x03ffffff,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device kfr2r09_nor_flash_device = {
+ .name = "physmap-flash",
+ .resource = kfr2r09_nor_flash_resources,
+ .num_resources = ARRAY_SIZE(kfr2r09_nor_flash_resources),
+ .dev = {
+ .platform_data = &kfr2r09_nor_flash_data,
+ },
+};
+
+static struct resource kfr2r09_nand_flash_resources[] = {
+ [0] = {
+ .name = "NAND Flash",
+ .start = 0x10000000,
+ .end = 0x1001ffff,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device kfr2r09_nand_flash_device = {
+ .name = "onenand-flash",
+ .resource = kfr2r09_nand_flash_resources,
+ .num_resources = ARRAY_SIZE(kfr2r09_nand_flash_resources),
+};
+
+static struct sh_keysc_info kfr2r09_sh_keysc_info = {
+ .mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
+ .scan_timing = 3,
+ .delay = 10,
+ .keycodes = {
+ KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
+ KEY_1, KEY_2, KEY_3, 0, KEY_UP,
+ KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
+ KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
+ KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
+ 0, 0, 0, 0, 0
+ },
+};
+
+static struct resource kfr2r09_sh_keysc_resources[] = {
+ [0] = {
+ .name = "KEYSC",
+ .start = 0x044b0000,
+ .end = 0x044b000f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 79,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kfr2r09_sh_keysc_device = {
+ .name = "sh_keysc",
+ .id = 0, /* "keysc0" clock */
+ .num_resources = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
+ .resource = kfr2r09_sh_keysc_resources,
+ .dev = {
+ .platform_data = &kfr2r09_sh_keysc_info,
+ },
+ .archdata = {
+ .hwblk_id = HWBLK_KEYSC,
+ },
+};
+
+static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
+ .clock_source = LCDC_CLK_BUS,
+ .ch[0] = {
+ .chan = LCDC_CHAN_MAINLCD,
+ .bpp = 16,
+ .interface_type = SYS18,
+ .clock_divider = 6,
+ .flags = LCDC_FLAGS_DWPOL,
+ .lcd_cfg = {
+ .name = "TX07D34VM0AAA",
+ .xres = 240,
+ .yres = 400,
+ .left_margin = 0,
+ .right_margin = 16,
+ .hsync_len = 8,
+ .upper_margin = 0,
+ .lower_margin = 1,
+ .vsync_len = 1,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ },
+ .lcd_size_cfg = {
+ .width = 35,
+ .height = 58,
+ },
+ .board_cfg = {
+ .setup_sys = kfr2r09_lcd_setup,
+ .display_on = kfr2r09_lcd_on,
+ .display_off = kfr2r09_lcd_off,
+ },
+ .sys_bus_cfg = {
+ .ldmt2r = 0x07010904,
+ .ldmt3r = 0x14012914,
+ /* set 1s delay to encourage fsync() */
+ .deferred_io_msec = 1000,
+ },
+ }
+};
+
+static struct resource kfr2r09_sh_lcdc_resources[] = {
+ [0] = {
+ .name = "LCDC",
+ .start = 0xfe940000, /* P4-only space */
+ .end = 0xfe942fff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 106,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kfr2r09_sh_lcdc_device = {
+ .name = "sh_mobile_lcdc_fb",
+ .num_resources = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
+ .resource = kfr2r09_sh_lcdc_resources,
+ .dev = {
+ .platform_data = &kfr2r09_sh_lcdc_info,
+ },
+ .archdata = {
+ .hwblk_id = HWBLK_LCDC,
+ },
+};
+
+static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
+ .on_chip = 1,
+};
+
+static struct resource kfr2r09_usb0_gadget_resources[] = {
+ [0] = {
+ .start = 0x04d80000,
+ .end = 0x04d80123,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 65,
+ .end = 65,
+ .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
+ },
+};
+
+static struct platform_device kfr2r09_usb0_gadget_device = {
+ .name = "r8a66597_udc",
+ .id = 0,
+ .dev = {
+ .dma_mask = NULL, /* not use dma */
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &kfr2r09_usb0_gadget_data,
+ },
+ .num_resources = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
+ .resource = kfr2r09_usb0_gadget_resources,
+};
+
+static struct platform_device *kfr2r09_devices[] __initdata = {
+ &kfr2r09_nor_flash_device,
+ &kfr2r09_nand_flash_device,
+ &kfr2r09_sh_keysc_device,
+ &kfr2r09_sh_lcdc_device,
+};
+
+#define BSC_CS0BCR 0xfec10004
+#define BSC_CS0WCR 0xfec10024
+#define BSC_CS4BCR 0xfec10010
+#define BSC_CS4WCR 0xfec10030
+#define PORT_MSELCRB 0xa4050182
+
+#ifdef CONFIG_I2C
+static int kfr2r09_usb0_gadget_i2c_setup(void)
+{
+ struct i2c_adapter *a;
+ struct i2c_msg msg;
+ unsigned char buf[2];
+ int ret;
+
+ a = i2c_get_adapter(0);
+ if (!a)
+ return -ENODEV;
+
+ /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
+ buf[0] = 0x13;
+ msg.addr = 0x09;
+ msg.buf = buf;
+ msg.len = 1;
+ msg.flags = 0;
+ ret = i2c_transfer(a, &msg, 1);
+ if (ret != 1)
+ return -ENODEV;
+
+ buf[0] = 0;
+ msg.addr = 0x09;
+ msg.buf = buf;
+ msg.len = 1;
+ msg.flags = I2C_M_RD;
+ ret = i2c_transfer(a, &msg, 1);
+ if (ret != 1)
+ return -ENODEV;
+
+ buf[1] = buf[0] | (1 << 1);
+ buf[0] = 0x13;
+ msg.addr = 0x09;
+ msg.buf = buf;
+ msg.len = 2;
+ msg.flags = 0;
+ ret = i2c_transfer(a, &msg, 1);
+ if (ret != 1)
+ return -ENODEV;
+
+ return 0;
+}
+#else
+static int kfr2r09_usb0_gadget_i2c_setup(void)
+{
+ return -ENODEV;
+}
+#endif
+
+static int kfr2r09_usb0_gadget_setup(void)
+{
+ int plugged_in;
+
+ gpio_request(GPIO_PTN4, NULL); /* USB_DET */
+ gpio_direction_input(GPIO_PTN4);
+ plugged_in = gpio_get_value(GPIO_PTN4);
+ if (!plugged_in)
+ return -ENODEV; /* no cable plugged in */
+
+ if (kfr2r09_usb0_gadget_i2c_setup() != 0)
+ return -ENODEV; /* unable to configure using i2c */
+
+ ctrl_outw((ctrl_inw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
+ gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
+ gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
+ gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
+ msleep(20); /* wait 20ms to let the clock settle */
+ clk_enable(clk_get(NULL, "usb0"));
+ ctrl_outw(0x0600, 0xa40501d4);
+
+ return 0;
+}
+
+static int __init kfr2r09_devices_setup(void)
+{
+ /* enable SCIF1 serial port for YC401 console support */
+ gpio_request(GPIO_FN_SCIF1_RXD, NULL);
+ gpio_request(GPIO_FN_SCIF1_TXD, NULL);
+
+ /* setup NOR flash at CS0 */
+ ctrl_outl(0x36db0400, BSC_CS0BCR);
+ ctrl_outl(0x00000500, BSC_CS0WCR);
+
+ /* setup NAND flash at CS4 */
+ ctrl_outl(0x36db0400, BSC_CS4BCR);
+ ctrl_outl(0x00000500, BSC_CS4WCR);
+
+ /* setup KEYSC pins */
+ gpio_request(GPIO_FN_KEYOUT0, NULL);
+ gpio_request(GPIO_FN_KEYOUT1, NULL);
+ gpio_request(GPIO_FN_KEYOUT2, NULL);
+ gpio_request(GPIO_FN_KEYOUT3, NULL);
+ gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
+ gpio_request(GPIO_FN_KEYIN0, NULL);
+ gpio_request(GPIO_FN_KEYIN1, NULL);
+ gpio_request(GPIO_FN_KEYIN2, NULL);
+ gpio_request(GPIO_FN_KEYIN3, NULL);
+ gpio_request(GPIO_FN_KEYIN4, NULL);
+ gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
+
+ /* setup LCDC pins for SYS panel */
+ gpio_request(GPIO_FN_LCDD17, NULL);
+ gpio_request(GPIO_FN_LCDD16, NULL);
+ gpio_request(GPIO_FN_LCDD15, NULL);
+ gpio_request(GPIO_FN_LCDD14, NULL);
+ gpio_request(GPIO_FN_LCDD13, NULL);
+ gpio_request(GPIO_FN_LCDD12, NULL);
+ gpio_request(GPIO_FN_LCDD11, NULL);
+ gpio_request(GPIO_FN_LCDD10, NULL);
+ gpio_request(GPIO_FN_LCDD9, NULL);
+ gpio_request(GPIO_FN_LCDD8, NULL);
+ gpio_request(GPIO_FN_LCDD7, NULL);
+ gpio_request(GPIO_FN_LCDD6, NULL);
+ gpio_request(GPIO_FN_LCDD5, NULL);
+ gpio_request(GPIO_FN_LCDD4, NULL);
+ gpio_request(GPIO_FN_LCDD3, NULL);
+ gpio_request(GPIO_FN_LCDD2, NULL);
+ gpio_request(GPIO_FN_LCDD1, NULL);
+ gpio_request(GPIO_FN_LCDD0, NULL);
+ gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
+ gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
+ gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
+ gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
+ gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
+ gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
+ gpio_direction_output(GPIO_PTE4, 1);
+ gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
+ gpio_direction_output(GPIO_PTF4, 1);
+ gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
+ gpio_direction_output(GPIO_PTU0, 1);
+
+ /* setup USB function */
+ if (kfr2r09_usb0_gadget_setup() == 0)
+ platform_device_register(&kfr2r09_usb0_gadget_device);
+
+ return platform_add_devices(kfr2r09_devices,
+ ARRAY_SIZE(kfr2r09_devices));
+}
+device_initcall(kfr2r09_devices_setup);
+
+/* Return the board specific boot mode pin configuration */
+static int kfr2r09_mode_pins(void)
+{
+ /* MD0=1, MD1=1, MD2=0: Clock Mode 3
+ * MD3=0: 16-bit Area0 Bus Width
+ * MD5=1: Little Endian
+ * MD8=1: Test Mode Disabled
+ */
+ return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
+}
+
+/*
+ * The Machine Vector
+ */
+static struct sh_machine_vector mv_kfr2r09 __initmv = {
+ .mv_name = "kfr2r09",
+ .mv_mode_pins = kfr2r09_mode_pins,
+};
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