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| author | Yen Lin <yelin@nvidia.com> | 2015-07-16 10:23:34 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-07-23 16:44:18 +0200 |
| commit | 21ee13c3ca5581c41a53a7e255709aa3c22b373a (patch) | |
| tree | 7bf7b4d05c5ca670dc75fa20ac6754c4dd3c9ba4 /src/soc/nvidia/tegra210/lp0 | |
| parent | cbaf92782ed035efd7eca615c64750a5dcdf4161 (diff) | |
| download | coreboot-21ee13c3ca5581c41a53a7e255709aa3c22b373a.tar.xz | |
t210: lp0_resume: set CAR2PMC_CPU_ACK_WIDTH to 0
Like in cold boot path, need to set CAR2PMC_CPU_ACK_WIDTH to 0
in lp0 resume path.
BUG=chrome-os-partner:40741
BRANCH=None
TEST=Tested on Smaug; able to suspend/resume
Change-Id: Iffd7fa4d0266e2ec482ec17e5203ceff8afe748f
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 052b649b1e6a4e34d621d710ee43aec7149ab8a8
Original-Change-Id: Icdf9879469485fb37b820b30c9663eda528ac013
Original-Signed-off-by: Yen Lin <yelin@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/286600
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Tom Warren <twarren@nvidia.com>
Reviewed-on: http://review.coreboot.org/11037
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/soc/nvidia/tegra210/lp0')
| -rw-r--r-- | src/soc/nvidia/tegra210/lp0/tegra_lp0_resume.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra210/lp0/tegra_lp0_resume.c b/src/soc/nvidia/tegra210/lp0/tegra_lp0_resume.c index 168c95a5d9..dc61cbac67 100644 --- a/src/soc/nvidia/tegra210/lp0/tegra_lp0_resume.c +++ b/src/soc/nvidia/tegra210/lp0/tegra_lp0_resume.c @@ -146,6 +146,13 @@ enum { CLK_ENB_CSITE = 0x1 << 9 }; +static uint32_t *clk_rst_cpu_softrst_ctrl2_ptr = + (void *)(CLK_RST_BASE + 0x388); +enum { + CAR2PMC_CPU_ACK_WIDTH_SHIFT = 0, + CAR2PMC_CPU_ACK_WIDTH_MASK = 0xfff << CAR2PMC_CPU_ACK_WIDTH_SHIFT +}; + static uint32_t *clk_rst_clk_enb_v_set_ptr = (void *)(CLK_RST_BASE + 0x440); enum { CLK_ENB_CPUG = 0x1 << 0, @@ -787,6 +794,9 @@ void lp0_resume(void) /* Disable PLLX since it isn't used in the kernel as CPU clk source. */ clrbits32(PLLX_ENABLE, clk_rst_pllx_base_ptr); + /* Set CAR2PMC_CPU_ACK_WIDTH to 0 */ + clrbits32(CAR2PMC_CPU_ACK_WIDTH_MASK, clk_rst_cpu_softrst_ctrl2_ptr); + /* Clear PMC_SCRATCH190 */ clrbits32(1, pmc_scratch190_ptr); |