diff options
author | Xi Chen <xixi.chen@mediatek.com> | 2021-03-03 17:58:07 +0800 |
---|---|---|
committer | Hung-Te Lin <hungte@chromium.org> | 2021-03-08 01:50:11 +0000 |
commit | e8c681cc6249cc7717885a12373e4fcf34034b1c (patch) | |
tree | a9daf5f6700869b9e6dc3b5faaf8fe1ab8b53d7f /src/soc/mediatek/common/dpm.c | |
parent | 022b1b992f24890a04851dccc2829284a0431d6a (diff) |
soc/mediatek/common: Move DRAM implementation from mt8192 to common
To reduce duplicated dram sources on seperate SOCs,
add dpm, dram_init, dramc_params, memory(fast-k or full-k)
implementations, also add dramc log level macro header files.
Signed-off-by: Xi Chen <xixi.chen@mediatek.com>
Change-Id: I557c96b3d09828472b8b6f932b0192a90894043e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51203
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Diffstat (limited to 'src/soc/mediatek/common/dpm.c')
-rw-r--r-- | src/soc/mediatek/common/dpm.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/soc/mediatek/common/dpm.c b/src/soc/mediatek/common/dpm.c new file mode 100644 index 0000000000..991441e74c --- /dev/null +++ b/src/soc/mediatek/common/dpm.c @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <device/mmio.h> +#include <soc/dpm.h> +#include <soc/mcu_common.h> +#include <soc/symbols.h> + +static void reset_dpm(struct mtk_mcu *mcu) +{ + /* write bootargs */ + write32(&mtk_dpm->twam_window_len, 0x0); + write32(&mtk_dpm->twam_mon_type, 0x0); + + /* free RST */ + setbits32(&mtk_dpm->sw_rstn, DPM_SW_RSTN_RESET); +} + +static struct mtk_mcu dpm_mcu[] = { + { + .firmware_name = CONFIG_DPM_DM_FIRMWARE, + .run_address = (void *)DPM_DM_SRAM_BASE, + }, + { + .firmware_name = CONFIG_DPM_PM_FIRMWARE, + .run_address = (void *)DPM_PM_SRAM_BASE, + .reset = reset_dpm, + }, +}; + +int dpm_init(void) +{ + int i; + struct mtk_mcu *dpm; + + /* config DPM SRAM layout */ + clrsetbits32(&mtk_dpm->sw_rstn, DPM_MEM_RATIO_MASK, DPM_MEM_RATIO_CFG1); + + for (i = 0; i < ARRAY_SIZE(dpm_mcu); i++) { + dpm = &dpm_mcu[i]; + dpm->load_buffer = _dram_dma; + dpm->buffer_size = REGION_SIZE(dram_dma); + if (mtk_init_mcu(dpm)) + return -1; + } + + return 0; +} |