/* * Renesas Technology Sales RTS7751R2D Support. * * Copyright (C) 2002 - 2006 Atom Create Engineering Co., Ltd. * Copyright (C) 2004 - 2007 Paul Mundt * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include static struct resource cf_ide_resources[] = { [0] = { .start = PA_AREA5_IO + 0x1000, .end = PA_AREA5_IO + 0x1000 + 0x10 - 0x2, .flags = IORESOURCE_MEM, }, [1] = { .start = PA_AREA5_IO + 0x80c, .end = PA_AREA5_IO + 0x80c, .flags = IORESOURCE_MEM, }, #ifndef CONFIG_RTS7751R2D_1 /* For R2D-1 polling is preferred */ [2] = { .start = IRQ_CF_IDE, .flags = IORESOURCE_IRQ, }, #endif }; static struct pata_platform_info pata_info = { .ioport_shift = 1, }; static struct platform_device cf_ide_device = { .name = "pata_platform", .id = -1, .num_resources = ARRAY_SIZE(cf_ide_resources), .resource = cf_ide_resources, .dev = { .platform_data = &pata_info, }, }; static struct spi_board_info spi_bus[] = { { .modalias = "rtc-r9701", .max_speed_hz = 1000000, .mode = SPI_MODE_3, }, }; static void r2d_chip_select(struct sh_spi_info *spi, int cs, int state) { BUG_ON(cs != 0); /* Single Epson RTC-9701JE attached on CS0 */ ctrl_outw(state == BITBANG_CS_ACTIVE, PA_RTCCE); } static struct sh_spi_info spi_info = { .num_chipselect = 1, .chip_select = r2d_chip_select, }; static struct resource spi_sh_sci_resources[] = { { .start = 0xffe00000, .end = 0xffe0001f, .flags = IORESOURCE_MEM, }, }; static struct platform_device spi_sh_sci_device = { .name = "spi_sh_sci", .id = -1, .num_resources = ARRAY_SIZE(spi_sh_sci_resources), .resource = spi_sh_sci_resources, .dev = { .platform_data = &spi_info, }, }; static struct resource heartbeat_resources[] = { [0] = { .start = PA_OUTPORT, .end = PA_OUTPORT, .flags = IORESOURCE_MEM, }, }; static struct platform_device heartbeat_device = { .name = "heartbeat", .id = -1, .num_resources = ARRAY_SIZE(heartbeat_resources), .resource = heartbeat_resources, }; static struct plat_serial8250_port uart_platform_data[] = { { .membase = (void __iomem *)0xb3e30000, .mapbase = 0xb3e30000, .iotype = UPIO_MEM, .irq = IRQ_VOYAGER, .flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ, .regshift = 2, .uartclk = (9600 * 16), }, { 0 }, }; static struct platform_device uart_device = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev = { .platform_data = uart_platform_data, }, }; static struct resource sm501_resources[] = { [0] = { .start = 0x10000000, .end = 0x13e00000 - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = 0x13e00000, .end = 0x13ffffff, .flags = IORESOURCE_MEM, }, [2] = { .start = IRQ_VOYAGER, .flags = IORESOURCE_IRQ, }, }; static struct fb_videomode sm501_default_mode = { .pixclock = 35714, .xres = 640, .yres = 480, .left_margin = 105, .right_margin = 50, .upper_margin = 35, .lower_margin = 0, .hsync_len = 96, .vsync_len = 2, .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, }; static struct sm501_platdata_fbsub sm501_pdata_fbsub_pnl = { .def_bpp = 16, .def_mode = &sm501_default_mode, .flags = SM501FB_FLAG_USE_INIT_MODE | SM501FB_FLAG_USE_HWCURSOR | SM501FB_FLAG_USE_HWACCEL | SM501FB_FLAG_DISABLE_AT_EXIT, }; static struct sm501_platdata_fbsub sm501_pdata_fbsub_crt = { .flags = (SM501FB_FLAG_USE_INIT_MODE | SM501FB_FLAG_USE_HWCURSOR | SM501FB_FLAG_USE_HWACCEL | SM501FB_FLAG_DISABLE_AT_EXIT), }; static struct sm501_platdata_fb sm501_fb_pdata = { .fb_route = SM501_FB_OWN, .fb_crt = &sm501_pdata_fbsub_crt, .fb_pnl = &sm501_pdata_fbsub_pnl, .flags = SM501_FBPD_SWAP_FB_ENDIAN, }; static struct sm501_initdata sm501_initdata = { .gpio_high = { .set = 0x00001fe0, .mask = 0x0, }, .devices = SM501_USE_USB_HOST, }; static struct sm501_platdata sm501_platform_data = { .init = &sm501_initdata, .fb = &sm501_fb_pdata, }; static struct platform_device sm501_device = { .name = "sm501", .id = -1, .dev = { .platform_data = &sm501_platform_data, }, .num_resources = ARRAY_SIZE(sm501_resources), .resource = sm501_resources, }; static struct platform_device *rts7751r2d_devices[] __initdata = { &uart_device, &sm501_device, &heartbeat_device, &spi_sh_sci_device, }; /* * The CF is connected with a 16-bit bus where 8-bit operations are * unsupported. The linux ata driver is however using 8-bit operations, so * insert a trapped io filter to convert 8-bit operations into 16-bit. */ static struct trapped_io cf_trapped_io = { .resource = cf_ide_resources, .num_resources = 2, .minimum_bus_width = 16, }; static int __init rts7751r2d_devices_setup(void) { if (register_trapped_io(&cf_trapped_io) == 0) platform_device_register(&cf_ide_device); spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus)); return platform_add_devices(rts7751r2d_devices, ARRAY_SIZE(rts7751r2d_devices)); } __initcall(rts7751r2d_devices_setup); static void rts7751r2d_power_off(void) { ctrl_outw(0x0001, PA_POWOFF); } /* * Initialize the board */ static void __init rts7751r2d_setup(char **cmdline_p) { void __iomem *sm501_reg; u16 ver = ctrl_inw(PA_VERREG); printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n"); printk(KERN_INFO "FPGA version:%d (revision:%d)\n", (ver >> 4) & 0xf, ver & 0xf); ctrl_outw(0x0000, PA_OUTPORT); pm_power_off = rts7751r2d_power_off; /* sm501 dram configuration: * ColSizeX = 11 - External Memory Column Size: 256 words. * APX = 1 - External Memory Active to Pre-Charge Delay: 7 clocks. * RstX = 1 - External Memory Reset: Normal. * Rfsh = 1 - Local Memory Refresh to Command Delay: 12 clocks. * BwC = 1 - Local Memory Block Write Cycle Time: 2 clocks. * BwP = 1 - Local Memory Block Write to Pre-Charge Delay: 1 clock. * AP = 1 - Internal Memory Active to Pre-Charge Delay: 7 clocks. * Rst = 1 - Internal Memory Reset: Normal. * RA = 1 - Internal Memory Remain in Active State: Do not remain. */ sm501_reg = (void __iomem *)0xb3e00000 + SM501_DRAM_CONTROL; writel(readl(sm501_reg) | 0x00f107c0, sm501_reg); /* * Power Mode Gate - Enable UART0 */ sm501_reg = (void __iomem *)0xb3e00000 + SM501_POWER_MODE_0_GATE; writel(readl(sm501_reg) | (1 << SM501_GATE_UART0), sm501_reg); sm501_reg = (void __iomem *)0xb3e00000 + SM501_POWER_MODE_1_GATE; writel(readl(sm501_reg) | (1 << SM501_GATE_UART0), sm501_reg); } /* * The Machine Vector */ static struct sh_machine_vector mv_rts7751r2d __initmv = { .mv_name = "RTS7751R2D", .mv_setup = rts7751r2d_setup, .mv_init_irq = init_rts7751r2d_IRQ, .mv_irq_demux = rts7751r2d_irq_demux, };