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Diffstat (limited to 'arch/arm/mach-realview/core.c')
| -rw-r--r-- | arch/arm/mach-realview/core.c | 404 |
1 files changed, 0 insertions, 404 deletions
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c deleted file mode 100644 index baf174542e36..000000000000 --- a/arch/arm/mach-realview/core.c +++ /dev/null @@ -1,404 +0,0 @@ -/* - * linux/arch/arm/mach-realview/core.c - * - * Copyright (C) 1999 - 2003 ARM Limited - * Copyright (C) 2000 Deep Blue Solutions Ltd - * - * 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/init.h> -#include <linux/platform_device.h> -#include <linux/dma-mapping.h> -#include <linux/device.h> -#include <linux/interrupt.h> -#include <linux/amba/bus.h> -#include <linux/amba/clcd.h> -#include <linux/platform_data/video-clcd-versatile.h> -#include <linux/io.h> -#include <linux/smsc911x.h> -#include <linux/smc91x.h> -#include <linux/ata_platform.h> -#include <linux/amba/mmci.h> -#include <linux/gfp.h> -#include <linux/mtd/physmap.h> -#include <linux/memblock.h> - -#include <clocksource/timer-sp804.h> -#include "hardware.h" -#include <asm/irq.h> -#include <asm/mach-types.h> -#include <asm/hardware/icst.h> - -#include <asm/mach/arch.h> -#include <asm/mach/irq.h> -#include <asm/mach/map.h> - -#include "platform.h" - -#include <plat/sched_clock.h> - -#include "core.h" - -#define REALVIEW_FLASHCTRL (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_FLASH_OFFSET) - -static void realview_flash_set_vpp(struct platform_device *pdev, int on) -{ - u32 val; - - val = __raw_readl(REALVIEW_FLASHCTRL); - if (on) - val |= REALVIEW_FLASHPROG_FLVPPEN; - else - val &= ~REALVIEW_FLASHPROG_FLVPPEN; - __raw_writel(val, REALVIEW_FLASHCTRL); -} - -static struct physmap_flash_data realview_flash_data = { - .width = 4, - .set_vpp = realview_flash_set_vpp, -}; - -struct platform_device realview_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &realview_flash_data, - }, -}; - -int realview_flash_register(struct resource *res, u32 num) -{ - realview_flash_device.resource = res; - realview_flash_device.num_resources = num; - return platform_device_register(&realview_flash_device); -} - -static struct smsc911x_platform_config smsc911x_config = { - .flags = SMSC911X_USE_32BIT, - .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH, - .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, - .phy_interface = PHY_INTERFACE_MODE_MII, -}; - -static struct smc91x_platdata smc91x_platdata = { - .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT, -}; - -static struct platform_device realview_eth_device = { - .name = "smsc911x", - .id = 0, - .num_resources = 2, -}; - -int realview_eth_register(const char *name, struct resource *res) -{ - if (name) - realview_eth_device.name = name; - realview_eth_device.resource = res; - if (strcmp(realview_eth_device.name, "smsc911x") == 0) - realview_eth_device.dev.platform_data = &smsc911x_config; - else - realview_eth_device.dev.platform_data = &smc91x_platdata; - - return platform_device_register(&realview_eth_device); -} - -struct platform_device realview_usb_device = { - .name = "isp1760", - .num_resources = 2, -}; - -int realview_usb_register(struct resource *res) -{ - realview_usb_device.resource = res; - return platform_device_register(&realview_usb_device); -} - -static struct pata_platform_info pata_platform_data = { - .ioport_shift = 1, -}; - -static struct resource pata_resources[] = { - [0] = { - .start = REALVIEW_CF_BASE, - .end = REALVIEW_CF_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = REALVIEW_CF_BASE + 0x100, - .end = REALVIEW_CF_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -struct platform_device realview_cf_device = { - .name = "pata_platform", - .id = -1, - .num_resources = ARRAY_SIZE(pata_resources), - .resource = pata_resources, - .dev = { - .platform_data = &pata_platform_data, - }, -}; - -static struct resource realview_leds_resources[] = { - { - .start = REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET, - .end = REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET + 4, - .flags = IORESOURCE_MEM, - }, -}; - -struct platform_device realview_leds_device = { - .name = "versatile-leds", - .id = -1, - .num_resources = ARRAY_SIZE(realview_leds_resources), - .resource = realview_leds_resources, -}; - -static struct resource realview_i2c_resource = { - .start = REALVIEW_I2C_BASE, - .end = REALVIEW_I2C_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, -}; - -struct platform_device realview_i2c_device = { - .name = "versatile-i2c", - .id = 0, - .num_resources = 1, - .resource = &realview_i2c_resource, -}; - -static struct i2c_board_info realview_i2c_board_info[] = { - { - I2C_BOARD_INFO("ds1338", 0xd0 >> 1), - }, -}; - -static int __init realview_i2c_init(void) -{ - return i2c_register_board_info(0, realview_i2c_board_info, - ARRAY_SIZE(realview_i2c_board_info)); -} -arch_initcall(realview_i2c_init); - -#define REALVIEW_SYSMCI (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_MCI_OFFSET) - -/* - * This is only used if GPIOLIB support is disabled - */ -static unsigned int realview_mmc_status(struct device *dev) -{ - struct amba_device *adev = container_of(dev, struct amba_device, dev); - u32 mask; - - if (machine_is_realview_pb1176()) { - static bool inserted = false; - - /* - * The PB1176 does not have the status register, - * assume it is inserted at startup, then invert - * for each call so card insertion/removal will - * be detected anyway. This will not be called if - * GPIO on PL061 is active, which is the proper - * way to do this on the PB1176. - */ - inserted = !inserted; - return inserted ? 0 : 1; - } - - if (adev->res.start == REALVIEW_MMCI0_BASE) - mask = 1; - else - mask = 2; - - return readl(REALVIEW_SYSMCI) & mask; -} - -struct mmci_platform_data realview_mmc0_plat_data = { - .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, - .status = realview_mmc_status, - .gpio_wp = 17, - .gpio_cd = 16, - .cd_invert = true, -}; - -struct mmci_platform_data realview_mmc1_plat_data = { - .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, - .status = realview_mmc_status, - .gpio_wp = 19, - .gpio_cd = 18, - .cd_invert = true, -}; - -void __init realview_init_early(void) -{ - void __iomem *sys = __io_address(REALVIEW_SYS_BASE); - - versatile_sched_clock_init(sys + REALVIEW_SYS_24MHz_OFFSET, 24000000); -} - -/* - * CLCD support. - */ -#define SYS_CLCD_NLCDIOON (1 << 2) -#define SYS_CLCD_VDDPOSSWITCH (1 << 3) -#define SYS_CLCD_PWR3V5SWITCH (1 << 4) -#define SYS_CLCD_ID_MASK (0x1f << 8) -#define SYS_CLCD_ID_SANYO_3_8 (0x00 << 8) -#define SYS_CLCD_ID_UNKNOWN_8_4 (0x01 << 8) -#define SYS_CLCD_ID_EPSON_2_2 (0x02 << 8) -#define SYS_CLCD_ID_SANYO_2_5 (0x07 << 8) -#define SYS_CLCD_ID_VGA (0x1f << 8) - -/* - * Disable all display connectors on the interface module. - */ -static void realview_clcd_disable(struct clcd_fb *fb) -{ - void __iomem *sys_clcd = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_CLCD_OFFSET; - u32 val; - - val = readl(sys_clcd); - val &= ~SYS_CLCD_NLCDIOON | SYS_CLCD_PWR3V5SWITCH; - writel(val, sys_clcd); -} - -/* - * Enable the relevant connector on the interface module. - */ -static void realview_clcd_enable(struct clcd_fb *fb) -{ - void __iomem *sys_clcd = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_CLCD_OFFSET; - u32 val; - - /* - * Enable the PSUs - */ - val = readl(sys_clcd); - val |= SYS_CLCD_NLCDIOON | SYS_CLCD_PWR3V5SWITCH; - writel(val, sys_clcd); -} - -/* - * Detect which LCD panel is connected, and return the appropriate - * clcd_panel structure. Note: we do not have any information on - * the required timings for the 8.4in panel, so we presently assume - * VGA timings. - */ -static int realview_clcd_setup(struct clcd_fb *fb) -{ - void __iomem *sys_clcd = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_CLCD_OFFSET; - const char *panel_name, *vga_panel_name; - unsigned long framesize; - u32 val; - - if (machine_is_realview_eb()) { - /* VGA, 16bpp */ - framesize = 640 * 480 * 2; - vga_panel_name = "VGA"; - } else { - /* XVGA, 16bpp */ - framesize = 1024 * 768 * 2; - vga_panel_name = "XVGA"; - } - - val = readl(sys_clcd) & SYS_CLCD_ID_MASK; - if (val == SYS_CLCD_ID_SANYO_3_8) - panel_name = "Sanyo TM38QV67A02A"; - else if (val == SYS_CLCD_ID_SANYO_2_5) - panel_name = "Sanyo QVGA Portrait"; - else if (val == SYS_CLCD_ID_EPSON_2_2) - panel_name = "Epson L2F50113T00"; - else if (val == SYS_CLCD_ID_VGA) - panel_name = vga_panel_name; - else { - pr_err("CLCD: unknown LCD panel ID 0x%08x, using VGA\n", val); - panel_name = vga_panel_name; - } - - fb->panel = versatile_clcd_get_panel(panel_name); - if (!fb->panel) - return -EINVAL; - - return versatile_clcd_setup_dma(fb, framesize); -} - -struct clcd_board clcd_plat_data = { - .name = "RealView", - .caps = CLCD_CAP_ALL, - .check = clcdfb_check, - .decode = clcdfb_decode, - .disable = realview_clcd_disable, - .enable = realview_clcd_enable, - .setup = realview_clcd_setup, - .mmap = versatile_clcd_mmap_dma, - .remove = versatile_clcd_remove_dma, -}; - -/* - * Where is the timer (VA)? - */ -void __iomem *timer0_va_base; -void __iomem *timer1_va_base; -void __iomem *timer2_va_base; -void __iomem *timer3_va_base; - -/* - * Set up the clock source and clock events devices - */ -void __init realview_timer_init(unsigned int timer_irq) -{ - u32 val; - - /* - * set clock frequency: - * REALVIEW_REFCLK is 32KHz - * REALVIEW_TIMCLK is 1MHz - */ - val = readl(__io_address(REALVIEW_SCTL_BASE)); - writel((REALVIEW_TIMCLK << REALVIEW_TIMER1_EnSel) | - (REALVIEW_TIMCLK << REALVIEW_TIMER2_EnSel) | - (REALVIEW_TIMCLK << REALVIEW_TIMER3_EnSel) | - (REALVIEW_TIMCLK << REALVIEW_TIMER4_EnSel) | val, - __io_address(REALVIEW_SCTL_BASE)); - - /* - * Initialise to a known state (all timers off) - */ - sp804_timer_disable(timer0_va_base); - sp804_timer_disable(timer1_va_base); - sp804_timer_disable(timer2_va_base); - sp804_timer_disable(timer3_va_base); - - sp804_clocksource_init(timer3_va_base, "timer3"); - sp804_clockevents_init(timer0_va_base, timer_irq, "timer0"); -} - -/* - * Setup the memory banks. - */ -void realview_fixup(struct tag *tags, char **from) -{ - /* - * Most RealView platforms have 512MB contiguous RAM at 0x70000000. - * Half of this is mirrored at 0. - */ -#ifdef CONFIG_REALVIEW_HIGH_PHYS_OFFSET - memblock_add(0x70000000, SZ_512M); -#else - memblock_add(0, SZ_256M); -#endif -} |