From 1a8aae9b946d707d5dd2b1616e9c9c80c3daf178 Mon Sep 17 00:00:00 2001 From: Akshay Saraswat Date: Fri, 20 Feb 2015 13:27:11 +0530 Subject: [PATCH] Exynos542x: Config: Add various configs This patch adds "iRAM, CPU state and low power" configs which are the addresses acting as flag registers. iROM code checks CONFIG_LOWPOWER_FLAG address. If it is equal to CONFIG_LOWPOWER_EN then it jumps to the address (0x02020000+CPUID*4). This is a part of iROM logic. Rest other flags are being used at various places during kernel switching and reset. They are nowhere documented because they are part programming. These configs are serving as flags for us because they are representing the addresses in iRAM which we are using for storing and extracting CPU Status and GIC status. Signed-off-by: Akshay Saraswat Reviewed-by: Simon Glass Tested-by: Simon Glass Signed-off-by: Minkyu Kang --- include/configs/exynos5420-common.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/configs/exynos5420-common.h b/include/configs/exynos5420-common.h index fe72bd0d3b..b42dab7a7f 100644 --- a/include/configs/exynos5420-common.h +++ b/include/configs/exynos5420-common.h @@ -38,4 +38,20 @@ #define CONFIG_BOARD_REV_GPIO_COUNT 2 +#define CONFIG_PHY_IRAM_BASE 0x02020000 + +/* Address for relocating helper code (Last 4 KB of IRAM) */ +#define CONFIG_EXYNOS_RELOCATE_CODE_BASE (CONFIG_IRAM_TOP - 0x1000) + +/* + * Low Power settings + */ +#define CONFIG_LOWPOWER_FLAG 0x02020028 +#define CONFIG_LOWPOWER_ADDR 0x0202002C + +/* + * Number of CPUs available + */ +#define CONFIG_CORE_COUNT 0x8 + #endif /* __CONFIG_EXYNOS5420_H */ -- 2.39.5