/* * linux/arch/arm/mach-nomadik/board-8815nhk.c * * Copyright (C) STMicroelectronics * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2, as * published by the Free Software Foundation. * * NHK15 board specifc driver definition */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "cpu-8815.h" /* Initial value for SRC control register: all timers use MXTAL/8 source */ #define SRC_CR_INIT_MASK 0x00007fff #define SRC_CR_INIT_VAL 0x2aaa8000 /* These addresses span 16MB, so use three individual pages */ static struct resource nhk8815_nand_resources[] = { { .name = "nand_addr", .start = NAND_IO_ADDR, .end = NAND_IO_ADDR + 0xfff, .flags = IORESOURCE_MEM, }, { .name = "nand_cmd", .start = NAND_IO_CMD, .end = NAND_IO_CMD + 0xfff, .flags = IORESOURCE_MEM, }, { .name = "nand_data", .start = NAND_IO_DATA, .end = NAND_IO_DATA + 0xfff, .flags = IORESOURCE_MEM, } }; static int nhk8815_nand_init(void) { /* FSMC setup for nand chip select (8-bit nand in 8815NHK) */ writel(0x0000000E, FSMC_PCR(0)); writel(0x000D0A00, FSMC_PMEM(0)); writel(0x00100A00, FSMC_PATT(0)); /* enable access to the chip select area */ writel(readl(FSMC_PCR(0)) | 0x04, FSMC_PCR(0)); return 0; } /* * These partitions are the same as those used in the 2.6.20 release * shipped by the vendor; the first two partitions are mandated * by the boot ROM, and the bootloader area is somehow oversized... */ static struct mtd_partition nhk8815_partitions[] = { { .name = "X-Loader(NAND)", .offset = 0, .size = SZ_256K, }, { .name = "MemInit(NAND)", .offset = MTDPART_OFS_APPEND, .size = SZ_256K, }, { .name = "BootLoader(NAND)", .offset = MTDPART_OFS_APPEND, .size = SZ_2M, }, { .name = "Kernel zImage(NAND)", .offset = MTDPART_OFS_APPEND, .size = 3 * SZ_1M, }, { .name = "Root Filesystem(NAND)", .offset = MTDPART_OFS_APPEND, .size = 22 * SZ_1M, }, { .name = "User Filesystem(NAND)", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, } }; static struct nomadik_nand_platform_data nhk8815_nand_data = { .parts = nhk8815_partitions, .nparts = ARRAY_SIZE(nhk8815_partitions), .options = NAND_COPYBACK | NAND_CACHEPRG | NAND_NO_PADDING \ | NAND_NO_READRDY | NAND_NO_AUTOINCR, .init = nhk8815_nand_init, }; static struct platform_device nhk8815_nand_device = { .name = "nomadik_nand", .dev = { .platform_data = &nhk8815_nand_data, }, .resource = nhk8815_nand_resources, .num_resources = ARRAY_SIZE(nhk8815_nand_resources), }; /* These are the partitions for the OneNand device, different from above */ static struct mtd_partition nhk8815_onenand_partitions[] = { { .name = "X-Loader(OneNAND)", .offset = 0, .size = SZ_256K, }, { .name = "MemInit(OneNAND)", .offset = MTDPART_OFS_APPEND, .size = SZ_256K, }, { .name = "BootLoader(OneNAND)", .offset = MTDPART_OFS_APPEND, .size = SZ_2M-SZ_256K, }, { .name = "SysImage(OneNAND)", .offset = MTDPART_OFS_APPEND, .size = 4 * SZ_1M, }, { .name = "Root Filesystem(OneNAND)", .offset = MTDPART_OFS_APPEND, .size = 22 * SZ_1M, }, { .name = "User Filesystem(OneNAND)", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, } }; static struct onenand_platform_data nhk8815_onenand_data = { .parts = nhk8815_onenand_partitions, .nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions), }; static struct resource nhk8815_onenand_resource[] = { { .start = 0x30000000, .end = 0x30000000 + SZ_128K - 1, .flags = IORESOURCE_MEM, }, }; static struct platform_device nhk8815_onenand_device = { .name = "onenand-flash", .id = -1, .dev = { .platform_data = &nhk8815_onenand_data, }, .resource = nhk8815_onenand_resource, .num_resources = ARRAY_SIZE(nhk8815_onenand_resource), }; static void __init nhk8815_onenand_init(void) { #ifdef CONFIG_MTD_ONENAND /* Set up SMCS0 for OneNand */ writel(0x000030db, FSMC_BCR(0)); writel(0x02100551, FSMC_BTR(0)); #endif } #define __MEM_4K_RESOURCE(x) \ .res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM} static struct amba_device uart0_device = { .dev = { .init_name = "uart0" }, __MEM_4K_RESOURCE(NOMADIK_UART0_BASE), .irq = {IRQ_UART0, NO_IRQ}, }; static struct amba_device uart1_device = { .dev = { .init_name = "uart1" }, __MEM_4K_RESOURCE(NOMADIK_UART1_BASE), .irq = {IRQ_UART1, NO_IRQ}, }; static struct amba_device *amba_devs[] __initdata = { &uart0_device, &uart1_device, }; static struct resource nhk8815_eth_resources[] = { { .name = "smc91x-regs", .start = 0x34000000 + 0x300, .end = 0x34000000 + SZ_64K - 1, .flags = IORESOURCE_MEM, }, { .start = NOMADIK_GPIO_TO_IRQ(115), .end = NOMADIK_GPIO_TO_IRQ(115), .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING, } }; static struct platform_device nhk8815_eth_device = { .name = "smc91x", .resource = nhk8815_eth_resources, .num_resources = ARRAY_SIZE(nhk8815_eth_resources), }; static int __init nhk8815_eth_init(void) { int gpio_nr = 115; /* hardwired in the board */ int err; err = gpio_request(gpio_nr, "eth_irq"); if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO); if (!err) err = gpio_direction_input(gpio_nr); if (err) pr_err("Error %i in %s\n", err, __func__); return err; } device_initcall(nhk8815_eth_init); static struct platform_device *nhk8815_platform_devices[] __initdata = { &nhk8815_nand_device, &nhk8815_onenand_device, &nhk8815_eth_device, /* will add more devices */ }; static void __init nomadik_timer_init(void) { u32 src_cr; /* Configure timer sources in "system reset controller" ctrl reg */ src_cr = readl(io_p2v(NOMADIK_SRC_BASE)); src_cr &= SRC_CR_INIT_MASK; src_cr |= SRC_CR_INIT_VAL; writel(src_cr, io_p2v(NOMADIK_SRC_BASE)); nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE)); } static struct sys_timer nomadik_timer = { .init = nomadik_timer_init, }; static void __init nhk8815_platform_init(void) { int i; cpu8815_platform_init(); nhk8815_onenand_init(); platform_add_devices(nhk8815_platform_devices, ARRAY_SIZE(nhk8815_platform_devices)); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) amba_device_register(amba_devs[i], &iomem_resource); } MACHINE_START(NOMADIK, "NHK8815") /* Maintainer: ST MicroElectronics */ .atag_offset = 0x100, .map_io = cpu8815_map_io, .init_irq = cpu8815_init_irq, .handle_irq = vic_handle_irq, .timer = &nomadik_timer, .init_machine = nhk8815_platform_init, .restart = cpu8815_restart, MACHINE_END