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rockchip: rk3328: Add support to build bootable SPI image

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Similar to RK35xx the BootRom in RK3328 can read all data and look for
idbloader at 0x8000, same as it does for SD and eMMC.

Use the rksd format and modify the mkimage offset to generate a bootable
u-boot-rockchip-spi.bin that can be written to 0x0 of SPI NOR flash.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Jonas Karlman 2024-02-17 00:22:39 +00:00 committed by Kever Yang
parent 2f440ffb1d
commit c60b835be2
2 changed files with 12 additions and 0 deletions
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11
arch/arm/dts/rk3328-u-boot.dtsi
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@ -133,3 +133,14 @@
&usb20_otg {
hnp-srp-disable;
};
#ifdef CONFIG_ROCKCHIP_SPI_IMAGE
&binman {
simple-bin-spi {
mkimage {
args = "-n", CONFIG_SYS_SOC, "-T", "rksd";
offset = <0x8000>;
};
};
};
#endif

1
arch/arm/mach-rockchip/rk3328/rk3328.c
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@ -35,6 +35,7 @@
const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
[BROM_BOOTSOURCE_EMMC] = "/mmc@ff520000",
[BROM_BOOTSOURCE_SPINOR] = "/spi@ff190000/flash@0",
[BROM_BOOTSOURCE_SD] = "/mmc@ff500000",
};