diff options
| author | jinkun.hong <jinkun.hong@rock-chips.com> | 2015-02-14 15:07:50 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-04-21 08:12:43 +0200 |
| commit | 8cc3a2a467cf44f107a6049fc225d2ba9c85b639 (patch) | |
| tree | 8b639d4588fdbf746c3df7bf188eca69572c941a /src/soc/rockchip/rk3288/sdram.c | |
| parent | 9f5ad9b6d9243546ce83a2ec4feb9f0d2c3c7f8f (diff) | |
rk3288: support single channel ddr
When using single-channel ddr, DMC channel 1 need to reset dll,
otherwise it will lead to pmdomain idle request fails.
BUG=chrome-os-partner:35654
BRANCH=veyron
TEST=boot rialto
Change-Id: Id6b673187c688d238e9a391b3d98720c783e3af4
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 927e8426104f8869e139c3f60a04cd49bf726e61
Original-Change-Id: I8be1567040ddb5f2a2b0d06568e517d794ead87a
Original-Signed-off-by: jinkun.hong <jinkun.hong@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/250060
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/9819
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/rockchip/rk3288/sdram.c')
| -rw-r--r-- | src/soc/rockchip/rk3288/sdram.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/soc/rockchip/rk3288/sdram.c b/src/soc/rockchip/rk3288/sdram.c index 2698024435..3d547cde25 100644 --- a/src/soc/rockchip/rk3288/sdram.c +++ b/src/soc/rockchip/rk3288/sdram.c @@ -987,7 +987,7 @@ void sdram_init(const struct rk3288_sdram_params *sdram_params) rkclk_configure_ddr(sdram_params->ddr_freq); - for (channel = 0; channel < sdram_params->num_channels; channel++) { + for (channel = 0; channel < 2; channel++) { struct rk3288_ddr_pctl_regs *ddr_pctl_regs = rk3288_ddr_pctl[channel]; struct rk3288_ddr_publ_regs *ddr_publ_regs = @@ -996,6 +996,9 @@ void sdram_init(const struct rk3288_sdram_params *sdram_params) phy_pctrl_reset(ddr_publ_regs, channel); phy_dll_bypass_set(ddr_publ_regs, sdram_params->ddr_freq); + if (channel >= sdram_params->num_channels) + continue; + dfi_cfg(ddr_pctl_regs, sdram_params->dramtype); pctl_cfg(channel, sdram_params); |