diff options
Diffstat (limited to 'arch/arm/mach-omap2/omap4-common.c')
| -rw-r--r-- | arch/arm/mach-omap2/omap4-common.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index a0fe747634c1..16b20cedc38d 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -25,6 +25,7 @@ #include <linux/irqchip/irq-crossbar.h> #include <linux/of_address.h> #include <linux/reboot.h> +#include <linux/genalloc.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach/map.h> @@ -71,6 +72,26 @@ void omap_bus_sync(void) } EXPORT_SYMBOL(omap_bus_sync); +static int __init omap4_sram_init(void) +{ + struct device_node *np; + struct gen_pool *sram_pool; + + np = of_find_compatible_node(NULL, NULL, "ti,omap4-mpu"); + if (!np) + pr_warn("%s:Unable to allocate sram needed to handle errata I688\n", + __func__); + sram_pool = of_get_named_gen_pool(np, "sram", 0); + if (!sram_pool) + pr_warn("%s:Unable to get sram pool needed to handle errata I688\n", + __func__); + else + sram_sync = (void *)gen_pool_alloc(sram_pool, PAGE_SIZE); + + return 0; +} +omap_arch_initcall(omap4_sram_init); + /* Steal one page physical memory for barrier implementation */ int __init omap_barrier_reserve_memblock(void) { @@ -91,7 +112,6 @@ void __init omap_barriers_init(void) dram_io_desc[0].type = MT_MEMORY_RW_SO; iotable_init(dram_io_desc, ARRAY_SIZE(dram_io_desc)); dram_sync = (void __iomem *) dram_io_desc[0].virtual; - sram_sync = (void __iomem *) OMAP4_SRAM_VA; pr_info("OMAP4: Map 0x%08llx to 0x%08lx for dram barrier\n", (long long) paddr, dram_io_desc[0].virtual); |