X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Farm%2Fmach-s3c2410%2Fmach-bast.c;h=96292e6323434d261262115947c87976d5d7908b;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=2268ab3c7c699490461dfbd8b966ad26795d5605;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c index 2268ab3c7..96292e632 100644 --- a/arch/arm/mach-s3c2410/mach-bast.c +++ b/arch/arm/mach-s3c2410/mach-bast.c @@ -1,6 +1,6 @@ /* linux/arch/arm/mach-s3c2410/mach-bast.c * - * Copyright (c) 2003 Simtec Electronics + * Copyright (c) 2003-2005 Simtec Electronics * Ben Dooks * * http://www.simtec.co.uk/products/EB2410ITX/ @@ -10,11 +10,19 @@ * published by the Free Software Foundation. * * Modifications: + * 14-Sep-2004 BJD USB power control + * 20-Aug-2004 BJD Added s3c2410_board struct + * 18-Aug-2004 BJD Added platform devices from default set * 16-May-2003 BJD Created initial version * 16-Aug-2003 BJD Fixed header files and copyright, added URL * 05-Sep-2003 BJD Moved to v2.6 kernel * 06-Jan-2003 BJD Updates for * 18-Jan-2003 BJD Added serial port configuration + * 05-Oct-2004 BJD Power management code + * 04-Nov-2004 BJD Updated serial port clocks + * 04-Jan-2005 BJD New uart init call + * 10-Jan-2005 BJD Removed include of s3c2410.h + * 14-Jan-2005 BJD Add support for muitlple NAND devices */ #include @@ -23,12 +31,14 @@ #include #include #include +#include #include #include #include #include +#include #include #include @@ -37,8 +47,22 @@ //#include #include +#include +#include +#include -#include "s3c2410.h" +#include +#include +#include +#include + +#include "clock.h" +#include "devs.h" +#include "cpu.h" +#include "usb-simtec.h" +#include "pm.h" + +#define COPYRIGHT ", (c) 2004-2005 Simtec Electronics" /* macros for virtual address mods for the io space entries */ #define VA_C5(item) ((item) + BAST_VAM_CS5) @@ -139,62 +163,254 @@ static struct map_desc bast_iodesc[] __initdata = { #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE -/* base baud rate for all our UARTs */ -static unsigned long bast_serial_clock = 24*1000*1000; +static struct s3c24xx_uart_clksrc bast_serial_clocks[] = { + [0] = { + .name = "uclk", + .divisor = 1, + .min_baud = 0, + .max_baud = 0, + }, + [1] = { + .name = "pclk", + .divisor = 1, + .min_baud = 0, + .max_baud = 0. + } +}; + static struct s3c2410_uartcfg bast_uartcfgs[] = { [0] = { .hwport = 0, .flags = 0, - .clock = &bast_serial_clock, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, + .clocks = bast_serial_clocks, + .clocks_size = ARRAY_SIZE(bast_serial_clocks) }, [1] = { .hwport = 1, .flags = 0, - .clock = &bast_serial_clock, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, + .clocks = bast_serial_clocks, + .clocks_size = ARRAY_SIZE(bast_serial_clocks) }, /* port 2 is not actually used */ [2] = { .hwport = 2, .flags = 0, - .clock = &bast_serial_clock, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, + .clocks = bast_serial_clocks, + .clocks_size = ARRAY_SIZE(bast_serial_clocks) + } +}; + +/* NOR Flash on BAST board */ + +static struct resource bast_nor_resource[] = { + [0] = { + .start = S3C2410_CS1 + 0x4000000, + .end = S3C2410_CS1 + 0x4000000 + (32*1024*1024) - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device bast_device_nor = { + .name = "bast-nor", + .id = -1, + .num_resources = ARRAY_SIZE(bast_nor_resource), + .resource = bast_nor_resource, +}; + +/* NAND Flash on BAST board */ + + +static int smartmedia_map[] = { 0 }; +static int chip0_map[] = { 1 }; +static int chip1_map[] = { 2 }; +static int chip2_map[] = { 3 }; + +struct mtd_partition bast_default_nand_part[] = { + [0] = { + .name = "Boot Agent", + .size = SZ_16K, + .offset = 0 + }, + [1] = { + .name = "/boot", + .size = SZ_4M - SZ_16K, + .offset = SZ_16K, + }, + [2] = { + .name = "user", + .offset = SZ_4M, + .size = MTDPART_SIZ_FULL, } }; +/* the bast has 4 selectable slots for nand-flash, the three + * on-board chip areas, as well as the external SmartMedia + * slot. + * + * Note, there is no current hot-plug support for the SmartMedia + * socket. +*/ + +static struct s3c2410_nand_set bast_nand_sets[] = { + [0] = { + .name = "SmartMedia", + .nr_chips = 1, + .nr_map = smartmedia_map, + .nr_partitions = ARRAY_SIZE(bast_default_nand_part), + .partitions = bast_default_nand_part + }, + [1] = { + .name = "chip0", + .nr_chips = 1, + .nr_map = chip0_map, + .nr_partitions = ARRAY_SIZE(bast_default_nand_part), + .partitions = bast_default_nand_part + }, + [2] = { + .name = "chip1", + .nr_chips = 1, + .nr_map = chip1_map, + .nr_partitions = ARRAY_SIZE(bast_default_nand_part), + .partitions = bast_default_nand_part + }, + [3] = { + .name = "chip2", + .nr_chips = 1, + .nr_map = chip2_map, + .nr_partitions = ARRAY_SIZE(bast_default_nand_part), + .partitions = bast_default_nand_part + } +}; + +static void bast_nand_select(struct s3c2410_nand_set *set, int slot) +{ + unsigned int tmp; + + slot = set->nr_map[slot] & 3; + + pr_debug("bast_nand: selecting slot %d (set %p,%p)\n", + slot, set, set->nr_map); + + tmp = __raw_readb(BAST_VA_CTRL2); + tmp &= BAST_CPLD_CTLR2_IDERST; + tmp |= slot; + tmp |= BAST_CPLD_CTRL2_WNAND; + + pr_debug("bast_nand: ctrl2 now %02x\n", tmp); + + __raw_writeb(tmp, BAST_VA_CTRL2); +} + +static struct s3c2410_platform_nand bast_nand_info = { + .tacls = 80, + .twrph0 = 80, + .twrph1 = 80, + .nr_sets = ARRAY_SIZE(bast_nand_sets), + .sets = bast_nand_sets, + .select_chip = bast_nand_select, +}; + + +/* Standard BAST devices */ + +static struct platform_device *bast_devices[] __initdata = { + &s3c_device_usb, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c, + &s3c_device_iis, + &s3c_device_rtc, + &s3c_device_nand, + &bast_device_nor +}; + +static struct clk *bast_clocks[] = { + &s3c24xx_dclk0, + &s3c24xx_dclk1, + &s3c24xx_clkout0, + &s3c24xx_clkout1, + &s3c24xx_uclk, +}; + +static struct s3c24xx_board bast_board __initdata = { + .devices = bast_devices, + .devices_count = ARRAY_SIZE(bast_devices), + .clocks = bast_clocks, + .clocks_count = ARRAY_SIZE(bast_clocks) +}; void __init bast_map_io(void) { - s3c2410_map_io(bast_iodesc, ARRAY_SIZE(bast_iodesc)); - s3c2410_uartcfgs = bast_uartcfgs; + /* initialise the clocks */ + + s3c24xx_dclk0.parent = NULL; + s3c24xx_dclk0.rate = 12*1000*1000; + + s3c24xx_dclk1.parent = NULL; + s3c24xx_dclk1.rate = 24*1000*1000; + + s3c24xx_clkout0.parent = &s3c24xx_dclk0; + s3c24xx_clkout1.parent = &s3c24xx_dclk1; + + s3c24xx_uclk.parent = &s3c24xx_clkout1; + + s3c_device_nand.dev.platform_data = &bast_nand_info; + + s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc)); + s3c24xx_init_clocks(0); + s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs)); + s3c24xx_set_board(&bast_board); + usb_simtec_init(); } void __init bast_init_irq(void) { - //llprintk("bast_init_irq:\n"); + s3c24xx_init_irq(); +} - s3c2410_init_irq(); +#ifdef CONFIG_PM -} +/* bast_init_machine + * + * enable the power management functions for the EB2410ITX +*/ -void __init bast_init_time(void) +static __init void bast_init_machine(void) { - s3c2410_init_time(); + unsigned long gstatus4; + + printk(KERN_INFO "BAST Power Manangement" COPYRIGHT "\n"); + + gstatus4 = (__raw_readl(S3C2410_BANKCON7) & 0x3) << 30; + gstatus4 |= (__raw_readl(S3C2410_BANKCON6) & 0x3) << 28; + gstatus4 |= (__raw_readl(S3C2410_BANKSIZE) & S3C2410_BANKSIZE_MASK); + + __raw_writel(gstatus4, S3C2410_GSTATUS4); + + s3c2410_pm_init(); } +#else +#define bast_init_machine NULL +#endif + + MACHINE_START(BAST, "Simtec-BAST") MAINTAINER("Ben Dooks ") BOOT_MEM(S3C2410_SDRAM_PA, S3C2410_PA_UART, S3C2410_VA_UART) BOOT_PARAMS(S3C2410_SDRAM_PA + 0x100) MAPIO(bast_map_io) INITIRQ(bast_init_irq) - INITTIME(bast_init_time) + .init_machine = bast_init_machine, + .timer = &s3c24xx_timer, MACHINE_END