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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-06-07 06:00:41 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-06-11 08:54:10 +0200 |
| commit | ee44a5c62076416ff040299e18f6e8ffc0f6f495 (patch) | |
| tree | 3dcec79fb56e7a5d3ab13fe1008599bdc6a383e2 /arch | |
| parent | ceb7bc504b6eb80c2fc152d3e21311d01ba918b4 (diff) | |
| download | barebox-ee44a5c62076416ff040299e18f6e8ffc0f6f495.tar.gz barebox-ee44a5c62076416ff040299e18f6e8ffc0f6f495.tar.xz | |
ARM: i.MX: xload-esdhc: Add support for i.MX8
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-imx/include/mach/xload.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-imx/xload-esdhc.c | 33 |
2 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/include/mach/xload.h b/arch/arm/mach-imx/include/mach/xload.h index 4e38ac7e2f..8f141bc37e 100644 --- a/arch/arm/mach-imx/include/mach/xload.h +++ b/arch/arm/mach-imx/include/mach/xload.h @@ -5,6 +5,7 @@ int imx53_nand_start_image(void); int imx6_spi_load_image(int instance, unsigned int flash_offset, void *buf, int len); int imx6_spi_start_image(int instance); int imx6_esdhc_start_image(int instance); +int imx8_esdhc_start_image(int instance); int imx_image_size(void); diff --git a/arch/arm/mach-imx/xload-esdhc.c b/arch/arm/mach-imx/xload-esdhc.c index 6ab4cabb77..08ba9b08dc 100644 --- a/arch/arm/mach-imx/xload-esdhc.c +++ b/arch/arm/mach-imx/xload-esdhc.c @@ -15,6 +15,7 @@ #include <io.h> #include <mci.h> #include <mach/imx6-regs.h> +#include <mach/imx8mq-regs.h> #include <mach/xload.h> #include <linux/sizes.h> #include "../../../drivers/mci/sdhci.h" @@ -292,3 +293,35 @@ int imx6_esdhc_start_image(int instance) return esdhc_start_image(&esdhc, 0x10000000, 0); } + +/** + * imx8_esdhc_start_image - Load and start an image from USDHC controller + * @instance: The USDHC controller instance (0..2) + * + * This uses esdhc_start_image() to load an image from SD/MMC. It is + * assumed that the image is the currently running barebox image (This + * information is used to calculate the length of the image). The + * image is started afterwards. + * + * Return: If successful, this function does not return. A negative error + * code is returned when this function fails. + */ +int imx8_esdhc_start_image(int instance) +{ + struct esdhc esdhc; + + switch (instance) { + case 0: + esdhc.regs = IOMEM(MX8MQ_USDHC1_BASE_ADDR); + break; + case 1: + esdhc.regs = IOMEM(MX8MQ_USDHC2_BASE_ADDR); + break; + default: + return -EINVAL; + } + + esdhc.is_mx6 = 1; + + return esdhc_start_image(&esdhc, MX8MQ_DDR_CSD1_BASE_ADDR, SZ_32K); +}
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