diff options
Diffstat (limited to 'arch/sh/boards/renesas/rts7751r2d/setup.c')
| -rw-r--r-- | arch/sh/boards/renesas/rts7751r2d/setup.c | 161 |
1 files changed, 127 insertions, 34 deletions
diff --git a/arch/sh/boards/renesas/rts7751r2d/setup.c b/arch/sh/boards/renesas/rts7751r2d/setup.c index 8125d20..3452b07 100644 --- a/arch/sh/boards/renesas/rts7751r2d/setup.c +++ b/arch/sh/boards/renesas/rts7751r2d/setup.c @@ -13,34 +13,15 @@ #include <linux/pata_platform.h> #include <linux/serial_8250.h> #include <linux/sm501.h> +#include <linux/sm501-regs.h> #include <linux/pm.h> +#include <linux/fb.h> +#include <linux/spi/spi.h> +#include <linux/spi/spi_bitbang.h> #include <asm/machvec.h> #include <asm/rts7751r2d.h> -#include <asm/voyagergx.h> #include <asm/io.h> - -static void __init voyagergx_serial_init(void) -{ - unsigned long val; - - /* - * GPIO Control - */ - val = readl((void __iomem *)GPIO_MUX_HIGH); - val |= 0x00001fe0; - writel(val, (void __iomem *)GPIO_MUX_HIGH); - - /* - * Power Mode Gate - */ - val = readl((void __iomem *)POWER_MODE0_GATE); - val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1); - writel(val, (void __iomem *)POWER_MODE0_GATE); - - val = readl((void __iomem *)POWER_MODE1_GATE); - val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1); - writel(val, (void __iomem *)POWER_MODE1_GATE); -} +#include <asm/spi.h> static struct resource cf_ide_resources[] = { [0] = { @@ -75,6 +56,43 @@ static struct platform_device cf_ide_device = { }, }; +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, @@ -93,11 +111,11 @@ static struct platform_device heartbeat_device = { #ifdef CONFIG_MFD_SM501 static struct plat_serial8250_port uart_platform_data[] = { { - .membase = (void __iomem *)VOYAGER_UART_BASE, - .mapbase = VOYAGER_UART_BASE, + .membase = (void __iomem *)0xb3e30000, + .mapbase = 0xb3e30000, .iotype = UPIO_MEM, - .irq = IRQ_SM501_U0, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, + .irq = IRQ_VOYAGER, + .flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ, .regshift = 2, .uartclk = (9600 * 16), }, @@ -124,14 +142,67 @@ static struct resource sm501_resources[] = { .flags = IORESOURCE_MEM, }, [2] = { - .start = IRQ_SM501_CV, + .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, }; @@ -145,10 +216,12 @@ static struct platform_device *rts7751r2d_devices[] __initdata = { #endif &cf_ide_device, &heartbeat_device, + &spi_sh_sci_device, }; static int __init rts7751r2d_devices_setup(void) { + spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus)); return platform_add_devices(rts7751r2d_devices, ARRAY_SIZE(rts7751r2d_devices)); } @@ -192,6 +265,7 @@ u8 rts7751r2d_readb(void __iomem *addr) */ 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"); @@ -202,7 +276,30 @@ static void __init rts7751r2d_setup(char **cmdline_p) ctrl_outw(0x0000, PA_OUTPORT); pm_power_off = rts7751r2d_power_off; - voyagergx_serial_init(); + /* 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); } /* @@ -215,8 +312,4 @@ static struct sh_machine_vector mv_rts7751r2d __initmv = { .mv_irq_demux = rts7751r2d_irq_demux, .mv_writeb = rts7751r2d_writeb, .mv_readb = rts7751r2d_readb, -#if defined(CONFIG_MFD_SM501) && defined(CONFIG_USB_OHCI_HCD) - .mv_consistent_alloc = voyagergx_consistent_alloc, - .mv_consistent_free = voyagergx_consistent_free, -#endif }; |