diff options
Diffstat (limited to 'src/soc/mediatek/mt8192')
| -rw-r--r-- | src/soc/mediatek/mt8192/Kconfig | 6 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8192/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8192/include/soc/addressmap.h | 2 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8192/include/soc/sspm.h | 14 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8192/soc.c | 2 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8192/sspm.c | 26 |
6 files changed, 52 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8192/Kconfig b/src/soc/mediatek/mt8192/Kconfig index 67e5a52008..7373fe1579 100644 --- a/src/soc/mediatek/mt8192/Kconfig +++ b/src/soc/mediatek/mt8192/Kconfig @@ -69,4 +69,10 @@ config SPM_FIRMWARE help The file name of the MediaTek SPM firmware. +config SSPM_FIRMWARE + string + default "sspm.bin" + help + The file name of the MediaTek SSPM firmware. + endif diff --git a/src/soc/mediatek/mt8192/Makefile.inc b/src/soc/mediatek/mt8192/Makefile.inc index c02eabc1e1..bd6fe27377 100644 --- a/src/soc/mediatek/mt8192/Makefile.inc +++ b/src/soc/mediatek/mt8192/Makefile.inc @@ -46,6 +46,7 @@ ramstage-y += ../common/mmu_operations.c mmu_operations.c ramstage-y += ../common/mtcmos.c mtcmos.c ramstage-y += soc.c ramstage-y += spm.c +ramstage-y += sspm.c ramstage-y += ../common/timer.c ramstage-y += ../common/uart.c ramstage-y += ../common/usb.c usb.c @@ -56,6 +57,7 @@ mcu-firmware-files := \ $(CONFIG_DPM_DM_FIRMWARE) \ $(CONFIG_DPM_PM_FIRMWARE) \ $(CONFIG_MCUPM_FIRMWARE) \ + $(CONFIG_SSPM_FIRMWARE) \ $(CONFIG_SPM_FIRMWARE) $(foreach fw, $(call strip_quotes,$(mcu-firmware-files)), \ diff --git a/src/soc/mediatek/mt8192/include/soc/addressmap.h b/src/soc/mediatek/mt8192/include/soc/addressmap.h index 2e8ac9e715..829712926d 100644 --- a/src/soc/mediatek/mt8192/include/soc/addressmap.h +++ b/src/soc/mediatek/mt8192/include/soc/addressmap.h @@ -27,6 +27,8 @@ enum { PMIF_SPMI_BASE = IO_PHYS + 0x00027000, PMICSPI_MST_BASE = IO_PHYS + 0x00028000, SPMI_MST_BASE = IO_PHYS + 0x00029000, + SSPM_SRAM_BASE = IO_PHYS + 0x00400000, + SSPM_CFG_BASE = IO_PHYS + 0x00440000, DPM_PM_SRAM_BASE = IO_PHYS + 0x00900000, DPM_DM_SRAM_BASE = IO_PHYS + 0x00920000, DPM_CFG_BASE = IO_PHYS + 0x00940000, diff --git a/src/soc/mediatek/mt8192/include/soc/sspm.h b/src/soc/mediatek/mt8192/include/soc/sspm.h new file mode 100644 index 0000000000..5749fa4be3 --- /dev/null +++ b/src/soc/mediatek/mt8192/include/soc/sspm.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef SOC_MEDIATEK_MT8192_SSPM_H +#define SOC_MEDIATEK_MT8192_SSPM_H + +#include <soc/addressmap.h> +#include <types.h> + +struct mt8192_sspm_regs { + u32 sw_rstn; +}; +static struct mt8192_sspm_regs *const mt8192_sspm = (void *)SSPM_CFG_BASE; +void sspm_init(void); +#endif /* SOC_MEDIATEK_MT8192_SSPM_H */ diff --git a/src/soc/mediatek/mt8192/soc.c b/src/soc/mediatek/mt8192/soc.c index 00a57d2f37..bf9e8e794e 100644 --- a/src/soc/mediatek/mt8192/soc.c +++ b/src/soc/mediatek/mt8192/soc.c @@ -4,6 +4,7 @@ #include <soc/emi.h> #include <soc/mcupm.h> #include <soc/mmu_operations.h> +#include <soc/sspm.h> #include <symbols.h> static void soc_read_resources(struct device *dev) @@ -15,6 +16,7 @@ static void soc_init(struct device *dev) { mtk_mmu_disable_l2c_sram(); mcupm_init(); + sspm_init(); } static struct device_operations soc_ops = { diff --git a/src/soc/mediatek/mt8192/sspm.c b/src/soc/mediatek/mt8192/sspm.c new file mode 100644 index 0000000000..b36e0df6f9 --- /dev/null +++ b/src/soc/mediatek/mt8192/sspm.c @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <console/console.h> +#include <device/mmio.h> +#include <soc/mcu_common.h> +#include <soc/sspm.h> +#include <soc/symbols.h> + +static void reset_sspm(struct mtk_mcu *mcu) +{ + write32(&mt8192_sspm->sw_rstn, 0x1); +} + +static struct mtk_mcu sspm = { + .firmware_name = CONFIG_SSPM_FIRMWARE, + .run_address = (void *)SSPM_SRAM_BASE, + .reset = reset_sspm, +}; + +void sspm_init(void) +{ + sspm.load_buffer = _dram_dma; + sspm.buffer_size = REGION_SIZE(dram_dma); + + mtk_init_mcu(&sspm); +} |