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| author | Tony Lindgren <tony@atomide.com> | 2009-10-19 15:25:26 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2009-10-19 15:25:26 -0700 |
| commit | e4e7a13af2007edf215ad1164fc8d94c366cb72c (patch) | |
| tree | bbdfe804dd03cfd9f73e7069abf6b913ffa95669 /arch/arm/mach-omap2/omap-smp.c | |
| parent | f059429ea055c71648ae81c581eaa91d3761942b (diff) | |
| download | lwn-e4e7a13af2007edf215ad1164fc8d94c366cb72c.tar.gz lwn-e4e7a13af2007edf215ad1164fc8d94c366cb72c.zip | |
omap: Use ioremap for omap4 L4 code
Use ioremap for omap4 L4 code
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/omap-smp.c')
| -rw-r--r-- | arch/arm/mach-omap2/omap-smp.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index 48ee295db275..8813ac25c5ed 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -24,13 +24,14 @@ #include <asm/localtimer.h> #include <asm/smp_scu.h> #include <mach/hardware.h> +#include <mach/common.h> /* Registers used for communicating startup information */ -#define OMAP4_AUXCOREBOOT_REG0 (OMAP44XX_VA_WKUPGEN_BASE + 0x800) -#define OMAP4_AUXCOREBOOT_REG1 (OMAP44XX_VA_WKUPGEN_BASE + 0x804) +static void __iomem *omap4_auxcoreboot_reg0; +static void __iomem *omap4_auxcoreboot_reg1; /* SCU base address */ -static void __iomem *scu_base = OMAP44XX_VA_SCU_BASE; +static void __iomem *scu_base; /* * Use SCU config register to count number of cores @@ -53,8 +54,7 @@ void __cpuinit platform_secondary_init(unsigned int cpu) * core (e.g. timer irq), then they will not have been enabled * for us: do so */ - - gic_cpu_init(0, OMAP2_IO_ADDRESS(OMAP44XX_GIC_CPU_BASE)); + gic_cpu_init(0, gic_cpu_base_addr); /* * Synchronise with the boot thread. @@ -79,7 +79,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) * the AuxCoreBoot1 register is updated with cpu state * A barrier is added to ensure that write buffer is drained */ - __raw_writel(cpu, OMAP4_AUXCOREBOOT_REG1); + __raw_writel(cpu, omap4_auxcoreboot_reg1); smp_wmb(); timeout = jiffies + (1 * HZ); @@ -104,7 +104,7 @@ static void __init wakeup_secondary(void) * A barrier is added to ensure that write buffer is drained */ __raw_writel(virt_to_phys(omap_secondary_startup), \ - OMAP4_AUXCOREBOOT_REG0); + omap4_auxcoreboot_reg0); smp_wmb(); /* @@ -120,7 +120,13 @@ static void __init wakeup_secondary(void) */ void __init smp_init_cpus(void) { - unsigned int i, ncores = get_core_count(); + unsigned int i, ncores; + + /* Never released */ + scu_base = ioremap(OMAP44XX_SCU_BASE, SZ_256); + BUG_ON(!scu_base); + + ncores = get_core_count(); for (i = 0; i < ncores; i++) set_cpu_possible(i, true); @@ -130,6 +136,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) { unsigned int ncores = get_core_count(); unsigned int cpu = smp_processor_id(); + void __iomem *omap4_wkupgen_base; int i; /* sanity check */ @@ -161,6 +168,12 @@ void __init smp_prepare_cpus(unsigned int max_cpus) for (i = 0; i < max_cpus; i++) set_cpu_present(i, true); + /* Never released */ + omap4_wkupgen_base = ioremap(OMAP44XX_WKUPGEN_BASE, SZ_4K); + BUG_ON(!omap4_wkupgen_base); + omap4_auxcoreboot_reg0 = omap4_wkupgen_base + 0x800; + omap4_auxcoreboot_reg1 = omap4_wkupgen_base + 0x804; + if (max_cpus > 1) { /* * Enable the local timer or broadcast device for the |