[U-Boot] [PATCH v2 9/9] rk3288: vyasa: Add eMMC boot support
Jagan Teki
jagannadh.teki at gmail.com
Wed Feb 14 15:56:22 UTC 2018
RK3288 Vyasa has eMMC boot support, with JP4 open.
Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
---
Note:
Linux patch for this support is in ML.
arch/arm/dts/rk3288-vyasa-u-boot.dtsi | 4 ++++
arch/arm/dts/rk3288-vyasa.dts | 11 +++++++++++
board/amarula/vyasa-rk3288/vyasa-rk3288.c | 7 +++++++
3 files changed, 22 insertions(+)
diff --git a/arch/arm/dts/rk3288-vyasa-u-boot.dtsi b/arch/arm/dts/rk3288-vyasa-u-boot.dtsi
index b3a56e9..6017ca2 100644
--- a/arch/arm/dts/rk3288-vyasa-u-boot.dtsi
+++ b/arch/arm/dts/rk3288-vyasa-u-boot.dtsi
@@ -20,6 +20,10 @@
u-boot,dm-pre-reloc;
};
+&emmc {
+ u-boot,dm-pre-reloc;
+};
+
&uart2 {
u-boot,dm-pre-reloc;
};
diff --git a/arch/arm/dts/rk3288-vyasa.dts b/arch/arm/dts/rk3288-vyasa.dts
index 70c433f..850aa25 100644
--- a/arch/arm/dts/rk3288-vyasa.dts
+++ b/arch/arm/dts/rk3288-vyasa.dts
@@ -155,6 +155,17 @@
cpu0-supply = <&vdd_cpu>;
};
+&emmc {
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ disable-wp;
+ non-removable;
+ pinctrl-names = "default";
+ pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_pwr &emmc_bus8>;
+ vmmc-supply = <&vcc_io>;
+ status = "okay";
+};
+
&gmac {
assigned-clocks = <&cru SCLK_MAC>;
assigned-clock-parents = <&ext_gmac>;
diff --git a/board/amarula/vyasa-rk3288/vyasa-rk3288.c b/board/amarula/vyasa-rk3288/vyasa-rk3288.c
index 7985671..82f8c4e 100644
--- a/board/amarula/vyasa-rk3288/vyasa-rk3288.c
+++ b/board/amarula/vyasa-rk3288/vyasa-rk3288.c
@@ -9,6 +9,13 @@
#ifndef CONFIG_TPL_BUILD
#include <spl.h>
+void board_boot_order(u32 *spl_boot_list)
+{
+ /* eMMC prior to sdcard. */
+ spl_boot_list[0] = BOOT_DEVICE_MMC2;
+ spl_boot_list[1] = BOOT_DEVICE_MMC1;
+}
+
int spl_start_uboot(void)
{
/* break into full u-boot on 'c' */
--
2.7.4
More information about the U-Boot
mailing list