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rockchip: Update the sdram-channel property to support of-platdata 

Add an extra byte so that this data is not byteswapped. Add a comment to
the code to explain the purpose.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2016-07-04 11:58:25 -06:00
parent 2fc24d5335
commit 9ca7e6720e
2 changed files with 8 additions and 1 deletions
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3
arch/arm/dts/rk3288-firefly.dts
View File

@ -30,7 +30,8 @@
0x5 0x0>; 0x5 0x0>;
rockchip,phy-timing = <0x48f9aab4 0xea0910 0x1002c200 rockchip,phy-timing = <0x48f9aab4 0xea0910 0x1002c200
0xa60 0x40 0x10 0x0>; 0xa60 0x40 0x10 0x0>;
rockchip,sdram-channel = /bits/ 8 <0x1 0xa 0x3 0x2 0x1 0x0 0xf 0xf>; /* Add a dummy value to cause of-platdata think this is bytes */
rockchip,sdram-channel = /bits/ 8 <0x1 0xa 0x3 0x2 0x1 0x0 0xf 0xf 0xff>;
rockchip,sdram-params = <0x30B25564 0x627 3 666000000 3 9 1>; rockchip,sdram-params = <0x30B25564 0x627 3 666000000 3 9 1>;
}; };

6
arch/arm/include/asm/arch-rockchip/sdram.h
View File

@ -24,6 +24,12 @@ struct rk3288_sdram_channel {
u8 row_3_4; u8 row_3_4;
u8 cs0_row; u8 cs0_row;
u8 cs1_row; u8 cs1_row;
/*
* For of-platdata, which would otherwise convert this into two
* byte-swapped integers. With a size of 9 bytes, this struct will
* appear in of-platdata as a byte array.
*/
u8 dummy;
}; };
struct rk3288_sdram_pctl_timing { struct rk3288_sdram_pctl_timing {