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Diffstat (limited to 'arch/arm/mach-integrator/core.c')
| -rw-r--r-- | arch/arm/mach-integrator/core.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c deleted file mode 100644 index 4cdfd7365925..000000000000 --- a/arch/arm/mach-integrator/core.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * linux/arch/arm/mach-integrator/core.c - * - * Copyright (C) 2000-2003 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 version 2, as - * published by the Free Software Foundation. - */ -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/device.h> -#include <linux/export.h> -#include <linux/spinlock.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/memblock.h> -#include <linux/sched.h> -#include <linux/smp.h> -#include <linux/amba/bus.h> -#include <linux/amba/serial.h> -#include <linux/io.h> -#include <linux/stat.h> - -#include <mach/hardware.h> -#include <mach/platform.h> -#include <mach/cm.h> -#include <mach/irqs.h> - -#include <asm/mach-types.h> -#include <asm/mach/time.h> -#include <asm/pgtable.h> - -#include "common.h" - -#ifdef CONFIG_ATAGS - -#define INTEGRATOR_RTC_IRQ { IRQ_RTCINT } -#define INTEGRATOR_UART0_IRQ { IRQ_UARTINT0 } -#define INTEGRATOR_UART1_IRQ { IRQ_UARTINT1 } -#define KMI0_IRQ { IRQ_KMIINT0 } -#define KMI1_IRQ { IRQ_KMIINT1 } - -static AMBA_APB_DEVICE(rtc, "rtc", 0, - INTEGRATOR_RTC_BASE, INTEGRATOR_RTC_IRQ, NULL); - -static AMBA_APB_DEVICE(uart0, "uart0", 0, - INTEGRATOR_UART0_BASE, INTEGRATOR_UART0_IRQ, NULL); - -static AMBA_APB_DEVICE(uart1, "uart1", 0, - INTEGRATOR_UART1_BASE, INTEGRATOR_UART1_IRQ, NULL); - -static AMBA_APB_DEVICE(kmi0, "kmi0", 0, KMI0_BASE, KMI0_IRQ, NULL); -static AMBA_APB_DEVICE(kmi1, "kmi1", 0, KMI1_BASE, KMI1_IRQ, NULL); - -static struct amba_device *amba_devs[] __initdata = { - &rtc_device, - &uart0_device, - &uart1_device, - &kmi0_device, - &kmi1_device, -}; - -int __init integrator_init(bool is_cp) -{ - int i; - - /* - * The Integrator/AP lacks necessary AMBA PrimeCell IDs, so we need to - * hard-code them. The Integator/CP and forward have proper cell IDs. - * Else we leave them undefined to the bus driver can autoprobe them. - */ - if (!is_cp && IS_ENABLED(CONFIG_ARCH_INTEGRATOR_AP)) { - rtc_device.periphid = 0x00041030; - uart0_device.periphid = 0x00041010; - uart1_device.periphid = 0x00041010; - kmi0_device.periphid = 0x00041050; - kmi1_device.periphid = 0x00041050; - uart0_device.dev.platform_data = &ap_uart_data; - uart1_device.dev.platform_data = &ap_uart_data; - } - - for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { - struct amba_device *d = amba_devs[i]; - amba_device_register(d, &iomem_resource); - } - - return 0; -} - -#endif - -static DEFINE_RAW_SPINLOCK(cm_lock); - -/** - * cm_control - update the CM_CTRL register. - * @mask: bits to change - * @set: bits to set - */ -void cm_control(u32 mask, u32 set) -{ - unsigned long flags; - u32 val; - - raw_spin_lock_irqsave(&cm_lock, flags); - val = readl(CM_CTRL) & ~mask; - writel(val | set, CM_CTRL); - raw_spin_unlock_irqrestore(&cm_lock, flags); -} - -EXPORT_SYMBOL(cm_control); - -/* - * We need to stop things allocating the low memory; ideally we need a - * better implementation of GFP_DMA which does not assume that DMA-able - * memory starts at zero. - */ -void __init integrator_reserve(void) -{ - memblock_reserve(PHYS_OFFSET, __pa(swapper_pg_dir) - PHYS_OFFSET); -} - -/* - * To reset, we hit the on-board reset register in the system FPGA - */ -void integrator_restart(enum reboot_mode mode, const char *cmd) -{ - cm_control(CM_CTRL_RESET, CM_CTRL_RESET); -} - -static u32 integrator_id; - -static ssize_t intcp_get_manf(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "%02x\n", integrator_id >> 24); -} - -static struct device_attribute intcp_manf_attr = - __ATTR(manufacturer, S_IRUGO, intcp_get_manf, NULL); - -static ssize_t intcp_get_arch(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - const char *arch; - - switch ((integrator_id >> 16) & 0xff) { - case 0x00: - arch = "ASB little-endian"; - break; - case 0x01: - arch = "AHB little-endian"; - break; - case 0x03: - arch = "AHB-Lite system bus, bi-endian"; - break; - case 0x04: - arch = "AHB"; - break; - default: - arch = "Unknown"; - break; - } - - return sprintf(buf, "%s\n", arch); -} - -static struct device_attribute intcp_arch_attr = - __ATTR(architecture, S_IRUGO, intcp_get_arch, NULL); - -static ssize_t intcp_get_fpga(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - const char *fpga; - - switch ((integrator_id >> 12) & 0xf) { - case 0x01: - fpga = "XC4062"; - break; - case 0x02: - fpga = "XC4085"; - break; - case 0x04: - fpga = "EPM7256AE (Altera PLD)"; - break; - default: - fpga = "Unknown"; - break; - } - - return sprintf(buf, "%s\n", fpga); -} - -static struct device_attribute intcp_fpga_attr = - __ATTR(fpga, S_IRUGO, intcp_get_fpga, NULL); - -static ssize_t intcp_get_build(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "%02x\n", (integrator_id >> 4) & 0xFF); -} - -static struct device_attribute intcp_build_attr = - __ATTR(build, S_IRUGO, intcp_get_build, NULL); - - - -void integrator_init_sysfs(struct device *parent, u32 id) -{ - integrator_id = id; - device_create_file(parent, &intcp_manf_attr); - device_create_file(parent, &intcp_arch_attr); - device_create_file(parent, &intcp_fpga_attr); - device_create_file(parent, &intcp_build_attr); -} |