diff options
| author | Kever Yang <kever.yang@rock-chips.com> | 2017-09-25 16:33:22 +0800 |
|---|---|---|
| committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-10-01 00:33:32 +0200 |
| commit | a27290a6f892421d335ffbdd5b8724135132b991 (patch) | |
| tree | a65877293eb5e05a3130802a93a22a1107ad3605 | |
| parent | ffd1cd67daf322a9c450c6b2d7e2c3413aaa830a (diff) | |
rockchip: rk3188: ram: add support for 16bit row address
RK3188 using the same ddr_conf for both 15 bit and 16 bit row address.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
[Fixed compile-error by declaring 'row':]
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk3188.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/ram/rockchip/sdram_rk3188.c b/drivers/ram/rockchip/sdram_rk3188.c index 9d8b225dfa..365d00ef54 100644 --- a/drivers/ram/rockchip/sdram_rk3188.c +++ b/drivers/ram/rockchip/sdram_rk3188.c @@ -682,11 +682,18 @@ out: static int sdram_get_niu_config(struct rk3188_sdram_params *sdram_params) { - int i, tmp, size, ret = 0; + int i, tmp, size, row, ret = 0; + row = sdram_params->ch[0].cs0_row; + /* + * RK3188 share the rank and row bit15, we use same ddr config for 15bit + * and 16bit row + */ + if (row == 16) + row = 15; tmp = sdram_params->ch[0].col - 9; tmp -= (sdram_params->ch[0].bw == 2) ? 0 : 1; - tmp |= ((sdram_params->ch[0].cs0_row - 13) << 4); + tmp |= ((row - 13) << 4); size = sizeof(ddrconf_table)/sizeof(ddrconf_table[0]); for (i = 0; i < size; i++) if (tmp == ddrconf_table[i]) |