diff options
Diffstat (limited to 'arch/arm/mach-clps711x/board-autcpu12.c')
| -rw-r--r-- | arch/arm/mach-clps711x/board-autcpu12.c | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/arch/arm/mach-clps711x/board-autcpu12.c b/arch/arm/mach-clps711x/board-autcpu12.c deleted file mode 100644 index ba3d7d1b28f8..000000000000 --- a/arch/arm/mach-clps711x/board-autcpu12.c +++ /dev/null @@ -1,275 +0,0 @@ -/* - * linux/arch/arm/mach-clps711x/autcpu12.c - * - * (c) 2001 Thomas Gleixner, autronix automation <gleixner@autronix.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/io.h> -#include <linux/gpio.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/mtd/physmap.h> -#include <linux/mtd/plat-ram.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/nand-gpio.h> -#include <linux/platform_device.h> -#include <linux/gpio/driver.h> - -#include <mach/hardware.h> -#include <asm/sizes.h> -#include <asm/setup.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/pgtable.h> -#include <asm/page.h> - -#include <asm/mach/map.h> - -#include "common.h" -#include "devices.h" - -/* NOR flash */ -#define AUTCPU12_FLASH_BASE (CS0_PHYS_BASE) - -/* Board specific hardware definitions */ -#define AUTCPU12_CHAR_LCD_BASE (CS1_PHYS_BASE + 0x00000000) -#define AUTCPU12_CSAUX1_BASE (CS1_PHYS_BASE + 0x04000000) -#define AUTCPU12_CAN_BASE (CS1_PHYS_BASE + 0x08000000) -#define AUTCPU12_TOUCH_BASE (CS1_PHYS_BASE + 0x0a000000) -#define AUTCPU12_IO_BASE (CS1_PHYS_BASE + 0x0c000000) -#define AUTCPU12_LPT_BASE (CS1_PHYS_BASE + 0x0e000000) - -/* NVRAM */ -#define AUTCPU12_NVRAM_BASE (CS1_PHYS_BASE + 0x02000000) - -/* SmartMedia flash */ -#define AUTCPU12_SMC_BASE (CS1_PHYS_BASE + 0x06000000) -#define AUTCPU12_SMC_SEL_BASE (AUTCPU12_SMC_BASE + 0x10) - -/* Ethernet */ -#define AUTCPU12_CS8900_BASE (CS2_PHYS_BASE + 0x300) -#define AUTCPU12_CS8900_IRQ (IRQ_EINT3) - -/* NAND flash */ -#define AUTCPU12_MMGPIO_BASE (CLPS711X_NR_GPIO) -#define AUTCPU12_SMC_NCE (AUTCPU12_MMGPIO_BASE + 0) /* Bit 0 */ -#define AUTCPU12_SMC_RDY CLPS711X_GPIO(1, 2) -#define AUTCPU12_SMC_ALE CLPS711X_GPIO(1, 3) -#define AUTCPU12_SMC_CLE CLPS711X_GPIO(1, 4) - -/* LCD contrast digital potentiometer */ -#define AUTCPU12_DPOT_CS CLPS711X_GPIO(4, 0) -#define AUTCPU12_DPOT_CLK CLPS711X_GPIO(4, 1) -#define AUTCPU12_DPOT_UD CLPS711X_GPIO(4, 2) - -static struct resource autcpu12_cs8900_resource[] __initdata = { - DEFINE_RES_MEM(AUTCPU12_CS8900_BASE, SZ_1K), - DEFINE_RES_IRQ(AUTCPU12_CS8900_IRQ), -}; - -static struct resource autcpu12_nand_resource[] __initdata = { - DEFINE_RES_MEM(AUTCPU12_SMC_BASE, SZ_16), -}; - -static struct mtd_partition autcpu12_nand_parts[] __initdata = { - { - .name = "Flash partition 1", - .offset = 0, - .size = SZ_8M, - }, - { - .name = "Flash partition 2", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - }, -}; - -static void __init autcpu12_adjust_parts(struct gpio_nand_platdata *pdata, - size_t sz) -{ - switch (sz) { - case SZ_16M: - case SZ_32M: - break; - case SZ_64M: - case SZ_128M: - pdata->parts[0].size = SZ_16M; - break; - default: - pr_warn("Unsupported SmartMedia device size %u\n", sz); - break; - } -} - -static struct gpio_nand_platdata autcpu12_nand_pdata __initdata = { - .gpio_rdy = AUTCPU12_SMC_RDY, - .gpio_nce = AUTCPU12_SMC_NCE, - .gpio_ale = AUTCPU12_SMC_ALE, - .gpio_cle = AUTCPU12_SMC_CLE, - .gpio_nwp = -1, - .chip_delay = 20, - .parts = autcpu12_nand_parts, - .num_parts = ARRAY_SIZE(autcpu12_nand_parts), - .adjust_parts = autcpu12_adjust_parts, -}; - -static struct platform_device autcpu12_nand_pdev __initdata = { - .name = "gpio-nand", - .id = -1, - .resource = autcpu12_nand_resource, - .num_resources = ARRAY_SIZE(autcpu12_nand_resource), - .dev = { - .platform_data = &autcpu12_nand_pdata, - }, -}; - -static struct resource autcpu12_mmgpio_resource[] __initdata = { - DEFINE_RES_MEM_NAMED(AUTCPU12_SMC_SEL_BASE, SZ_1, "dat"), -}; - -static struct bgpio_pdata autcpu12_mmgpio_pdata __initdata = { - .base = AUTCPU12_MMGPIO_BASE, - .ngpio = 8, -}; - -static struct platform_device autcpu12_mmgpio_pdev __initdata = { - .name = "basic-mmio-gpio", - .id = -1, - .resource = autcpu12_mmgpio_resource, - .num_resources = ARRAY_SIZE(autcpu12_mmgpio_resource), - .dev = { - .platform_data = &autcpu12_mmgpio_pdata, - }, -}; - -static const struct gpio const autcpu12_gpios[] __initconst = { - { AUTCPU12_DPOT_CS, GPIOF_OUT_INIT_HIGH, "DPOT CS" }, - { AUTCPU12_DPOT_CLK, GPIOF_OUT_INIT_LOW, "DPOT CLK" }, - { AUTCPU12_DPOT_UD, GPIOF_OUT_INIT_LOW, "DPOT UD" }, -}; - -static struct mtd_partition autcpu12_flash_partitions[] = { - { - .name = "NOR.0", - .offset = 0, - .size = MTDPART_SIZ_FULL, - }, -}; - -static struct physmap_flash_data autcpu12_flash_pdata = { - .width = 4, - .parts = autcpu12_flash_partitions, - .nr_parts = ARRAY_SIZE(autcpu12_flash_partitions), -}; - -static struct resource autcpu12_flash_resources[] __initdata = { - DEFINE_RES_MEM(AUTCPU12_FLASH_BASE, SZ_8M), -}; - -static struct platform_device autcpu12_flash_pdev __initdata = { - .name = "physmap-flash", - .id = 0, - .resource = autcpu12_flash_resources, - .num_resources = ARRAY_SIZE(autcpu12_flash_resources), - .dev = { - .platform_data = &autcpu12_flash_pdata, - }, -}; - -static struct resource autcpu12_nvram_resource[] __initdata = { - DEFINE_RES_MEM(AUTCPU12_NVRAM_BASE, 0), -}; - -static struct platdata_mtd_ram autcpu12_nvram_pdata = { - .bankwidth = 4, -}; - -static struct platform_device autcpu12_nvram_pdev __initdata = { - .name = "mtd-ram", - .id = 0, - .resource = autcpu12_nvram_resource, - .num_resources = ARRAY_SIZE(autcpu12_nvram_resource), - .dev = { - .platform_data = &autcpu12_nvram_pdata, - }, -}; - -static void __init autcpu12_nvram_init(void) -{ - void __iomem *nvram; - unsigned int save[2]; - resource_size_t nvram_size = SZ_128K; - - /* - * Check for 32K/128K - * Read ofs 0K - * Read ofs 64K - * Write complement to ofs 64K - * Read and check result on ofs 0K - * Restore contents - */ - nvram = ioremap(autcpu12_nvram_resource[0].start, SZ_128K); - if (nvram) { - save[0] = readl(nvram + 0); - save[1] = readl(nvram + SZ_64K); - writel(~save[0], nvram + SZ_64K); - if (readl(nvram + 0) != save[0]) { - writel(save[0], nvram + 0); - nvram_size = SZ_32K; - } else - writel(save[1], nvram + SZ_64K); - iounmap(nvram); - - autcpu12_nvram_resource[0].end = - autcpu12_nvram_resource[0].start + nvram_size - 1; - platform_device_register(&autcpu12_nvram_pdev); - } else - pr_err("Failed to remap NVRAM resource\n"); -} - -static void __init autcpu12_init(void) -{ - clps711x_devices_init(); - platform_device_register(&autcpu12_flash_pdev); - platform_device_register_simple("video-clps711x", 0, NULL, 0); - platform_device_register_simple("cs89x0", 0, autcpu12_cs8900_resource, - ARRAY_SIZE(autcpu12_cs8900_resource)); - platform_device_register(&autcpu12_mmgpio_pdev); - autcpu12_nvram_init(); -} - -static void __init autcpu12_init_late(void) -{ - gpio_request_array(autcpu12_gpios, ARRAY_SIZE(autcpu12_gpios)); - platform_device_register(&autcpu12_nand_pdev); -} - -MACHINE_START(AUTCPU12, "autronix autcpu12") - /* Maintainer: Thomas Gleixner */ - .atag_offset = 0x20000, - .map_io = clps711x_map_io, - .init_irq = clps711x_init_irq, - .init_time = clps711x_timer_init, - .init_machine = autcpu12_init, - .init_late = autcpu12_init_late, - .restart = clps711x_restart, -MACHINE_END - |