diff options
Diffstat (limited to 'arch/arm/mach-tegra/common.c')
| -rw-r--r-- | arch/arm/mach-tegra/common.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index c34a6ffde801..87ef402f912c 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -21,6 +21,7 @@ #include <linux/io.h> #include <linux/clk.h> #include <linux/delay.h> +#include <linux/memblock.h> #include <asm/hardware/cache-l2x0.h> @@ -32,6 +33,10 @@ #include "board.h" #include "clock.h" #include "fuse.h" +#include "pm.h" + +unsigned long tegra_lp0_vec_start; +unsigned long tegra_lp0_vec_size; void (*arch_reset)(char mode, const char *cmd) = tegra_assert_system_reset; @@ -63,7 +68,7 @@ static __initdata struct tegra_clk_init_table common_clk_init_table[] = { { NULL, NULL, 0, 0}, }; -void __init tegra_init_cache(void) +void tegra_init_cache(void) { #ifdef CONFIG_CACHE_L2X0 void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000; @@ -85,3 +90,28 @@ void __init tegra_init_early(void) tegra_clk_init_from_table(common_clk_init_table); tegra_init_cache(); } + +static int __init tegra_lp0_vec_arg(char *options) +{ + char *p = options; + + tegra_lp0_vec_size = memparse(p, &p); + if (*p == '@') + tegra_lp0_vec_start = memparse(p+1, &p); + + return 0; +} +early_param("lp0_vec", tegra_lp0_vec_arg); + +void __init tegra_reserve(void) +{ + if (tegra_lp0_vec_size) + if (memblock_reserve(tegra_lp0_vec_start, tegra_lp0_vec_size)) + pr_err("Failed to reserve lp0_vec %08lx@%08lx\n", + tegra_lp0_vec_size, tegra_lp0_vec_start); + + pr_info("Tegra reserved memory:\n" + "LP0: %08lx - %08lx\n", + tegra_lp0_vec_start, + tegra_lp0_vec_start + tegra_lp0_vec_size - 1); +} |