diff options
Diffstat (limited to 'arch/arm/mach-ux500/cpu.c')
| -rw-r--r-- | arch/arm/mach-ux500/cpu.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c deleted file mode 100644 index e6fb0239151b..000000000000 --- a/arch/arm/mach-ux500/cpu.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - * Copyright (C) ST-Ericsson SA 2010 - * - * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson - * Author: Lee Jones <lee.jones@linaro.org> for ST-Ericsson - * License terms: GNU General Public License (GPL) version 2 - */ - -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/mfd/dbx500-prcmu.h> -#include <linux/clksrc-dbx500-prcmu.h> -#include <linux/sys_soc.h> -#include <linux/err.h> -#include <linux/slab.h> -#include <linux/stat.h> -#include <linux/of.h> -#include <linux/of_irq.h> -#include <linux/irq.h> -#include <linux/irqchip.h> -#include <linux/irqchip/arm-gic.h> -#include <linux/platform_data/clk-ux500.h> -#include <linux/platform_data/arm-ux500-pm.h> - -#include <asm/mach/map.h> - -#include "setup.h" -#include "devices.h" - -#include "board-mop500.h" -#include "db8500-regs.h" -#include "id.h" - -/* - * FIXME: Should we set up the GPIO domain here? - * - * The problem is that we cannot put the interrupt resources into the platform - * device until the irqdomain has been added. Right now, we set the GIC interrupt - * domain from init_irq(), then load the gpio driver from - * core_initcall(nmk_gpio_init) and add the platform devices from - * arch_initcall(customize_machine). - * - * This feels fragile because it depends on the gpio device getting probed - * _before_ any device uses the gpio interrupts. -*/ -void __init ux500_init_irq(void) -{ - void __iomem *dist_base; - void __iomem *cpu_base; - - gic_arch_extn.flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND; - - if (cpu_is_u8500_family() || cpu_is_ux540_family()) { - dist_base = __io_address(U8500_GIC_DIST_BASE); - cpu_base = __io_address(U8500_GIC_CPU_BASE); - } else - ux500_unknown_soc(); - -#ifdef CONFIG_OF - if (of_have_populated_dt()) - irqchip_init(); - else -#endif - gic_init(0, 29, dist_base, cpu_base); - - /* - * Init clocks here so that they are available for system timer - * initialization. - */ - if (cpu_is_u8500_family()) { - prcmu_early_init(U8500_PRCMU_BASE, SZ_8K - 1); - ux500_pm_init(U8500_PRCMU_BASE, SZ_8K - 1); - u8500_clk_init(U8500_CLKRST1_BASE, U8500_CLKRST2_BASE, - U8500_CLKRST3_BASE, U8500_CLKRST5_BASE, - U8500_CLKRST6_BASE); - } else if (cpu_is_u9540()) { - prcmu_early_init(U8500_PRCMU_BASE, SZ_8K - 1); - ux500_pm_init(U8500_PRCMU_BASE, SZ_8K - 1); - u9540_clk_init(U8500_CLKRST1_BASE, U8500_CLKRST2_BASE, - U8500_CLKRST3_BASE, U8500_CLKRST5_BASE, - U8500_CLKRST6_BASE); - } else if (cpu_is_u8540()) { - prcmu_early_init(U8500_PRCMU_BASE, SZ_8K + SZ_4K - 1); - ux500_pm_init(U8500_PRCMU_BASE, SZ_8K + SZ_4K - 1); - u8540_clk_init(U8500_CLKRST1_BASE, U8500_CLKRST2_BASE, - U8500_CLKRST3_BASE, U8500_CLKRST5_BASE, - U8500_CLKRST6_BASE); - } -} - -void __init ux500_init_late(void) -{ - mop500_uib_init(); -} - -static const char * __init ux500_get_machine(void) -{ - return kasprintf(GFP_KERNEL, "DB%4x", dbx500_partnumber()); -} - -static const char * __init ux500_get_family(void) -{ - return kasprintf(GFP_KERNEL, "ux500"); -} - -static const char * __init ux500_get_revision(void) -{ - unsigned int rev = dbx500_revision(); - - if (rev == 0x01) - return kasprintf(GFP_KERNEL, "%s", "ED"); - else if (rev >= 0xA0) - return kasprintf(GFP_KERNEL, "%d.%d", - (rev >> 4) - 0xA + 1, rev & 0xf); - - return kasprintf(GFP_KERNEL, "%s", "Unknown"); -} - -static ssize_t ux500_get_process(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - if (dbx500_id.process == 0x00) - return sprintf(buf, "Standard\n"); - - return sprintf(buf, "%02xnm\n", dbx500_id.process); -} - -static void __init soc_info_populate(struct soc_device_attribute *soc_dev_attr, - const char *soc_id) -{ - soc_dev_attr->soc_id = soc_id; - soc_dev_attr->machine = ux500_get_machine(); - soc_dev_attr->family = ux500_get_family(); - soc_dev_attr->revision = ux500_get_revision(); -} - -struct device_attribute ux500_soc_attr = - __ATTR(process, S_IRUGO, ux500_get_process, NULL); - -struct device * __init ux500_soc_device_init(const char *soc_id) -{ - struct device *parent; - struct soc_device *soc_dev; - struct soc_device_attribute *soc_dev_attr; - - soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); - if (!soc_dev_attr) - return ERR_PTR(-ENOMEM); - - soc_info_populate(soc_dev_attr, soc_id); - - soc_dev = soc_device_register(soc_dev_attr); - if (IS_ERR(soc_dev)) { - kfree(soc_dev_attr); - return NULL; - } - - parent = soc_device_to_device(soc_dev); - device_create_file(parent, &ux500_soc_attr); - - return parent; -} |