diff options
Diffstat (limited to 'arch/sh/boards/mach-kfr2r09/setup.c')
-rw-r--r-- | arch/sh/boards/mach-kfr2r09/setup.c | 386 |
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 new file mode 100644 index 0000000..c08d33f --- /dev/null +++ b/arch/sh/boards/mach-kfr2r09/setup.c @@ -0,0 +1,386 @@ +/* + * 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, +}; |