diff options
Diffstat (limited to 'arch/arm/mach-ux500/cpu.c')
| -rw-r--r-- | arch/arm/mach-ux500/cpu.c | 83 |
1 files changed, 39 insertions, 44 deletions
diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c index 721e7b4275f..db16b5a04ad 100644 --- a/arch/arm/mach-ux500/cpu.c +++ b/arch/arm/mach-ux500/cpu.c @@ -8,7 +8,7 @@ #include <linux/platform_device.h> #include <linux/io.h> -#include <linux/mfd/db8500-prcmu.h> +#include <linux/mfd/dbx500-prcmu.h> #include <linux/clksrc-dbx500-prcmu.h> #include <linux/sys_soc.h> #include <linux/err.h> @@ -17,18 +17,26 @@ #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/hardware/gic.h> #include <asm/mach/map.h> -#include <mach/hardware.h> -#include <mach/setup.h> -#include <mach/devices.h> +#include "setup.h" #include "board-mop500.h" +#include "db8500-regs.h" +#include "id.h" -void __iomem *_PRCMU_BASE; +void ux500_restart(enum reboot_mode mode, const char *cmd) +{ + local_irq_disable(); + local_fiq_disable(); + + prcmu_system_reset(0); +} /* * FIXME: Should we set up the GPIO domain here? @@ -42,49 +50,37 @@ void __iomem *_PRCMU_BASE; * This feels fragile because it depends on the gpio device getting probed * _before_ any device uses the gpio interrupts. */ -static const struct of_device_id ux500_dt_irq_match[] = { - { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, }, - {}, -}; - 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()) - of_irq_init(ux500_dt_irq_match); - else -#endif - gic_init(0, 29, dist_base, cpu_base); + irqchip_init(); /* * Init clocks here so that they are available for system timer * initialization. */ - if (cpu_is_u8500_family()) - db8500_prcmu_early_init(); - - if (cpu_is_u8500_family()) - u8500_clk_init(); - else if (cpu_is_u9540()) - u9540_clk_init(); - else if (cpu_is_u8540()) - u8540_clk_init(); -} - -void __init ux500_init_late(void) -{ - mop500_uib_init(); + if (cpu_is_u8500_family()) { + prcmu_early_init(U8500_PRCMU_BASE, SZ_8K - 1); + ux500_pm_init(U8500_PRCMU_BASE, SZ_8K - 1); + + u8500_of_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); + } } static const char * __init ux500_get_machine(void) @@ -145,14 +141,13 @@ struct device * __init ux500_soc_device_init(const char *soc_id) soc_info_populate(soc_dev_attr, soc_id); soc_dev = soc_device_register(soc_dev_attr); - if (IS_ERR_OR_NULL(soc_dev)) { + if (IS_ERR(soc_dev)) { kfree(soc_dev_attr); return NULL; } parent = soc_device_to_device(soc_dev); - if (!IS_ERR_OR_NULL(parent)) - device_create_file(parent, &ux500_soc_attr); + device_create_file(parent, &ux500_soc_attr); return parent; } |
