From f4bf8f5fab33e18eccde7c7db8eb9388cc286297 Mon Sep 17 00:00:00 2001 From: Yidi Lin Date: Wed, 29 Jul 2020 19:18:38 +0800 Subject: soc/mediatek/mt8192: Load MCUPM firmware and boot up MCUPM MCUPM is the MediaTek proprietary firmware for MCU power management. TEST=1. emerge-asurada coreboot chromeos-bootimage; 2. See following log during booting. load_blob_file: Load mcupm.bin in 35 msecs, size 115668 bytes 3. Test suspend/resume by: a. suspend (on DUT): powerd_dbus_suspend b. resume (on host): dut-control power_state:on Change-Id: I50bea1942507b4a40df9730b4e1bf98980d74277 Signed-off-by: Yidi Lin Reviewed-on: https://review.coreboot.org/c/coreboot/+/46392 Reviewed-by: Hung-Te Lin Tested-by: build bot (Jenkins) --- src/soc/mediatek/mt8192/include/soc/addressmap.h | 2 ++ src/soc/mediatek/mt8192/include/soc/mcupm.h | 14 ++++++++++++++ 2 files changed, 16 insertions(+) create mode 100644 src/soc/mediatek/mt8192/include/soc/mcupm.h (limited to 'src/soc/mediatek/mt8192/include') diff --git a/src/soc/mediatek/mt8192/include/soc/addressmap.h b/src/soc/mediatek/mt8192/include/soc/addressmap.h index 12094ffe5d..c68403b2b5 100644 --- a/src/soc/mediatek/mt8192/include/soc/addressmap.h +++ b/src/soc/mediatek/mt8192/include/soc/addressmap.h @@ -5,6 +5,8 @@ enum { MCUSYS_BASE = 0x0C530000, + MCUPM_SRAM_BASE = 0x0C540000, + MCUPM_CFG_BASE = 0x0C560000, IO_PHYS = 0x10000000, }; diff --git a/src/soc/mediatek/mt8192/include/soc/mcupm.h b/src/soc/mediatek/mt8192/include/soc/mcupm.h new file mode 100644 index 0000000000..dcb8c4a3e0 --- /dev/null +++ b/src/soc/mediatek/mt8192/include/soc/mcupm.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef SOC_MEDIATEK_MT8192_MCUPM_H +#define SOC_MEDIATEK_MT8192_MCUPM_H + +#include +#include + +struct mt8192_mcupm_regs { + u32 sw_rstn; +}; +static struct mt8192_mcupm_regs *const mt8192_mcupm = (void *)MCUPM_CFG_BASE; +void mcupm_init(void); +#endif /* SOC_MEDIATEK_MT8192_MCUPM_H */ -- cgit v1.2.3