From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeffy Chen Subject: [PATCH v4 6/6] rockchip: kylin: Check fastboot request Date: Wed, 13 Jan 2016 16:53:20 +0800 Message-ID: <1452675200-15941-7-git-send-email-jeffy.chen@rock-chips.com> References: <1452675200-15941-1-git-send-email-jeffy.chen@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1452675200-15941-1-git-send-email-jeffy.chen-TNX95d0MmH7DzftRWevZcw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: u-boot-0aAXYlwwYIKGBzrmiIFOJg@public.gmane.org Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, Jeffy Chen , huang lin List-Id: linux-rockchip.vger.kernel.org We will save boot mode flag in grf's os_reg[4], if fastboot requested or fastboot key pressed, try to enter fastboot mode at preboot stage. Signed-off-by: Jeffy Chen --- Changes in v4: Remove unused reboot mode definitions. Changes in v3: Use rockchip's legacy reboot mode definitions. Changes in v2: None board/kylin/kylin_rk3036/kylin_rk3036.c | 32 ++++++++++++++++++++++++++++++++ include/configs/kylin_rk3036.h | 3 +++ 2 files changed, 35 insertions(+) diff --git a/board/kylin/kylin_rk3036/kylin_rk3036.c b/board/kylin/kylin_rk3036/kylin_rk3036.c index 40d6b52..a730d7c 100644 --- a/board/kylin/kylin_rk3036/kylin_rk3036.c +++ b/board/kylin/kylin_rk3036/kylin_rk3036.c @@ -8,10 +8,15 @@ #include #include #include +#include #include +#include DECLARE_GLOBAL_DATA_PTR; +#define GRF_BASE 0x20008000 +static struct rk3036_grf * const grf = (void *)GRF_BASE; + void get_ddr_config(struct rk3036_ddr_config *config) { /* K4B4G1646Q config */ @@ -28,6 +33,33 @@ void get_ddr_config(struct rk3036_ddr_config *config) config->bw = 1; } +#define FASTBOOT_KEY_GPIO 93 + +int fastboot_key_pressed(void) +{ + gpio_request(FASTBOOT_KEY_GPIO, "fastboot_key"); + gpio_direction_input(FASTBOOT_KEY_GPIO); + return !gpio_get_value(FASTBOOT_KEY_GPIO); +} + +#define ROCKCHIP_BOOT_MODE_FASTBOOT 0x5242C309 + +int board_late_init(void) +{ + int boot_mode = readl(&grf->os_reg[4]); + + /* Clear boot mode */ + writel(0, &grf->os_reg[4]); + + if (boot_mode == ROCKCHIP_BOOT_MODE_FASTBOOT || + fastboot_key_pressed()) { + printf("enter fastboot!\n"); + setenv("preboot", "setenv preboot; fastboot usb0"); + } + + return 0; +} + int board_init(void) { return 0; diff --git a/include/configs/kylin_rk3036.h b/include/configs/kylin_rk3036.h index 49997ec..424e81b 100644 --- a/include/configs/kylin_rk3036.h +++ b/include/configs/kylin_rk3036.h @@ -39,6 +39,9 @@ "mmcpart=5\0" \ "loadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \ +#define CONFIG_BOARD_LATE_INIT +#define CONFIG_PREBOOT + #define CONFIG_ANDROID_BOOT_IMAGE #define CONFIG_SYS_BOOT_RAMDISK_HIGH #define CONFIG_SYS_HUSH_PARSER -- 2.1.4