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Add sdram capacity auto detect for rk3288

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  1. v1 Latest0 of 2 patches 0 repliesNew

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None of the 2 patches the cover letter announces are in this archive.

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Cover letter [U-Boot] [PATCH 0/2] Add sdram capacity auto detect for rk3288
Quoted 9 lines · Kever Yang

The rk3288 spl size is very close to 32KB while the rk3288 bootrom has the limitation of maximum size of SPL is 32KB. After apply this patch, the SPL size will exceed 32KB if we do not enable macro CONFIG_ROCKCHIP_SPL_BACK_TO_BROM.

I think this patch is usful and should be go upstream other than the size issue.

This patch has test with 2GB DDR3 and 2GB/4GB LPDDR3.

Thanks for the patch!

Unfortunately, fails to build the firefly-rk3288 target, using arm-linux-gnueabihf-gcc (Debian 6.1.1-9) 6.1.1 20160705, applied to u-boot master 01c5075506afcb7a74e0db8600af8979f45881b5:

CC spl/arch/arm/mach-rockchip/rk3288/sdram_rk3288.o
arch/arm/mach-rockchip/rk3288/sdram_rk3288.c: In function
'conv_of_platdata':
arch/arm/mach-rockchip/rk3288/sdram_rk3288.c:1042:30: error: 'struct
dtd_rockchip_rk3288_dmc' has no member named 'rockchip_num_channels'; did you mean 'rockchip_noc'?

  plat->num_channels = of_plat->rockchip_num_channels;
                              ^~
arch/arm/mach-rockchip/rk3288/sdram_rk3288.c:1035:6: warning: unused
  variable 'i' [-Wunused-variable]
  int i, ret;
      ^

scripts/Makefile.build:280: recipe for target
'spl/arch/arm/mach-rockchip/rk3288/sdram_rk3288.o' failed
make[3]: *** [spl/arch/arm/mach-rockchip/rk3288/sdram_rk3288.o] Error 1 scripts/Makefile.build:425: recipe for target
'spl/arch/arm/mach-rockchip/rk3288' failed
make[2]: *** [spl/arch/arm/mach-rockchip/rk3288] Error 2 scripts/Makefile.spl:292: recipe for target 'spl/arch/arm/mach-rockchip'
failed
make[1]: *** [spl/arch/arm/mach-rockchip] Error 2 Makefile:1334: recipe for target 'spl/u-boot-spl' failed
make: *** [spl/u-boot-spl] Error 2

live well,
vagrant
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Read the cover letter in its thread