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| author | Linus Walleij <linus.walleij@linaro.org> | 2015-05-14 10:29:59 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-05-18 15:07:48 +0200 |
| commit | 6252bd35782a3bf636b665c0d5700dd449492ca2 (patch) | |
| tree | 02eafca4953646d3e9583b46e894893cca7e0efa /arch/arm/mach-ux500/cpu.c | |
| parent | 583ecab9e36ec3077228cc4e303276856ee7519e (diff) | |
| download | op-kernel-dev-6252bd35782a3bf636b665c0d5700dd449492ca2.zip op-kernel-dev-6252bd35782a3bf636b665c0d5700dd449492ca2.tar.gz | |
ARM: ux500: look up PRCMU resource from DT
This removes the static map for the PRCMU in favor of looking
up that resource from the device tree.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/mach-ux500/cpu.c')
| -rw-r--r-- | arch/arm/mach-ux500/cpu.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c index 6ced0f68..e31d3d6 100644 --- a/arch/arm/mach-ux500/cpu.c +++ b/arch/arm/mach-ux500/cpu.c @@ -16,6 +16,7 @@ #include <linux/stat.h> #include <linux/of.h> #include <linux/of_irq.h> +#include <linux/of_address.h> #include <linux/irq.h> #include <linux/irqchip.h> #include <linux/irqchip/arm-gic.h> @@ -52,31 +53,36 @@ void ux500_restart(enum reboot_mode mode, const char *cmd) */ void __init ux500_init_irq(void) { + struct device_node *np; + struct resource r; + gic_set_irqchip_flags(IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND); irqchip_init(); + np = of_find_compatible_node(NULL, NULL, "stericsson,db8500-prcmu"); + of_address_to_resource(np, 0, &r); + of_node_put(np); + if (!r.start) { + pr_err("could not find PRCMU base resource\n"); + return; + } + prcmu_early_init(r.start, r.end-r.start); + ux500_pm_init(r.start, r.end-r.start); /* * 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_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); |
