From fd3c727ed973137b7f5a30fe28d819148a599afa Mon Sep 17 00:00:00 2001 From: Weiyi Lu Date: Thu, 9 Apr 2020 12:03:57 +0800 Subject: soc/mediatek/mt8192: Add mtcmos init support Using common mtcmos code to power on audio and display modules in SOC. TEST=Boots correctly on MT8192EVB. Passes the status check at the end of mtcmos_power_on() Signed-off-by: Weiyi Lu Change-Id: Ie7bff831eecfc2b4d315a577f6ff86befc483eab Reviewed-on: https://review.coreboot.org/c/coreboot/+/45394 Reviewed-by: Hung-Te Lin Tested-by: build bot (Jenkins) --- src/soc/mediatek/mt8192/mtcmos.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 src/soc/mediatek/mt8192/mtcmos.c (limited to 'src/soc/mediatek/mt8192/mtcmos.c') diff --git a/src/soc/mediatek/mt8192/mtcmos.c b/src/soc/mediatek/mt8192/mtcmos.c new file mode 100644 index 0000000000..5a3b1fb189 --- /dev/null +++ b/src/soc/mediatek/mt8192/mtcmos.c @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include + +enum { + DISP_PROT_STEP1_0_MASK = 0x05015405, + DISP_PROT_STEP1_1_MASK = 0x00001100, + DISP_PROT_STEP2_0_MASK = 0x00800040, + DISP_PROT_STEP2_1_MASK = 0x0a02800a, + DISP_PROT_STEP2_2_MASK = 0x00002200, + + AUDIO_PROT_STEP1_0_MASK = 0x00000010, +}; + +void mtcmos_protect_display_bus(void) +{ + write32(&mt8192_infracfg->infra_topaxi_protecten_clr, + DISP_PROT_STEP2_0_MASK); + write32(&mt8192_infracfg->infra_topaxi_protecten_mm_clr, + DISP_PROT_STEP2_1_MASK); + write32(&mt8192_infracfg->infra_topaxi_protecten_mm_clr_2, + DISP_PROT_STEP2_2_MASK); + write32(&mt8192_infracfg->infra_topaxi_protecten_mm_clr, + DISP_PROT_STEP1_0_MASK); + write32(&mt8192_infracfg->infra_topaxi_protecten_mm_clr_2, + DISP_PROT_STEP1_1_MASK); +} + +void mtcmos_protect_audio_bus(void) +{ + write32(&mt8192_infracfg->infra_topaxi_protecten_clr_2, + AUDIO_PROT_STEP1_0_MASK); +} -- cgit v1.2.3