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rk3288: vyasa: Add eMMC boot support

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RK3288 Vyasa has eMMC boot support, with JP4 open.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
This commit is contained in:
Jagan Teki 2018-02-14 21:26:22 +05:30 • committed by Philipp Tomsich
parent 159916f4e8
commit 1e84e44cfe
3 changed files with 22 additions and 0 deletions
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4
arch/arm/dts/rk3288-vyasa-u-boot.dtsi
View file

@ -20,6 +20,10 @@
u-boot,dm-pre-reloc;
};
&emmc {
u-boot,dm-pre-reloc;
};
&uart2 {
u-boot,dm-pre-reloc;
};

11
arch/arm/dts/rk3288-vyasa.dts
View file

@ -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>;

7
board/amarula/vyasa-rk3288/vyasa-rk3288.c
View file

@ -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' */