diff options
Diffstat (limited to 'arch/arm/mach-u300/core.c')
| -rw-r--r-- | arch/arm/mach-u300/core.c | 68 |
1 files changed, 53 insertions, 15 deletions
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c index 5f34eb674d6..aa53ee22438 100644 --- a/arch/arm/mach-u300/core.c +++ b/arch/arm/mach-u300/core.c @@ -19,7 +19,10 @@ #include <linux/amba/bus.h> #include <linux/platform_device.h> #include <linux/gpio.h> -#include <mach/coh901318.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/fsmc.h> #include <asm/types.h> #include <asm/setup.h> @@ -28,6 +31,7 @@ #include <asm/mach/map.h> #include <asm/mach/irq.h> +#include <mach/coh901318.h> #include <mach/hardware.h> #include <mach/syscon.h> #include <mach/dma_channels.h> @@ -283,6 +287,13 @@ static struct resource rtc_resources[] = { */ static struct resource fsmc_resources[] = { { + .name = "nand_data", + .start = U300_NAND_CS0_PHYS_BASE, + .end = U300_NAND_CS0_PHYS_BASE + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "fsmc_regs", .start = U300_NAND_IF_PHYS_BASE, .end = U300_NAND_IF_PHYS_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, @@ -1427,11 +1438,39 @@ static struct platform_device rtc_device = { .resource = rtc_resources, }; -static struct platform_device fsmc_device = { - .name = "nandif", +static struct mtd_partition u300_partitions[] = { + { + .name = "bootrecords", + .offset = 0, + .size = SZ_128K, + }, + { + .name = "free", + .offset = SZ_128K, + .size = 8064 * SZ_1K, + }, + { + .name = "platform", + .offset = 8192 * SZ_1K, + .size = 253952 * SZ_1K, + }, +}; + +static struct fsmc_nand_platform_data nand_platform_data = { + .partitions = u300_partitions, + .nr_partitions = ARRAY_SIZE(u300_partitions), + .options = NAND_SKIP_BBTSCAN, + .width = FSMC_NAND_BW8, +}; + +static struct platform_device nand_device = { + .name = "fsmc-nand", .id = -1, - .num_resources = ARRAY_SIZE(fsmc_resources), .resource = fsmc_resources, + .num_resources = ARRAY_SIZE(fsmc_resources), + .dev = { + .platform_data = &nand_platform_data, + }, }; static struct platform_device ave_device = { @@ -1463,7 +1502,7 @@ static struct platform_device *platform_devs[] __initdata = { &keypad_device, &rtc_device, &gpio_device, - &fsmc_device, + &nand_device, &wdog_device, &ave_device }; @@ -1477,11 +1516,19 @@ static struct platform_device *platform_devs[] __initdata = { void __init u300_init_irq(void) { u32 mask[2] = {0, 0}; + struct clk *clk; int i; + /* initialize clocking early, we want to clock the INTCON */ + u300_clock_init(); + + /* Clock the interrupt controller */ + clk = clk_get_sys("intcon", NULL); + BUG_ON(IS_ERR(clk)); + clk_enable(clk); + for (i = 0; i < NR_IRQS; i++) set_bit(i, (unsigned long *) &mask[0]); - u300_enable_intcon_clock(); vic_init((void __iomem *) U300_INTCON0_VBASE, 0, mask[0], mask[0]); vic_init((void __iomem *) U300_INTCON1_VBASE, 32, mask[1], mask[1]); } @@ -1561,13 +1608,6 @@ static void __init u300_init_check_chip(void) printk(KERN_INFO "Initializing U300 system on %s baseband chip " \ "(chip ID 0x%04x)\n", chipname, val); -#ifdef CONFIG_MACH_U300_BS26 - if ((val & 0xFF00U) != 0xc800) { - printk(KERN_ERR "Platform configured for BS25/BS26 " \ - "with DB3150 but %s detected, expect problems!", - chipname); - } -#endif #ifdef CONFIG_MACH_U300_BS330 if ((val & 0xFF00U) != 0xd800) { printk(KERN_ERR "Platform configured for BS330 " \ @@ -1642,12 +1682,10 @@ void __init u300_init_devices(void) u300_spi_init(&pl022_device); /* Register the AMBA devices in the AMBA bus abstraction layer */ - u300_clock_primecells(); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { struct amba_device *d = amba_devs[i]; amba_device_register(d, &iomem_resource); } - u300_unclock_primecells(); u300_assign_physmem(); |