flora.fu@mediatek.com has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/58794 )
Change subject: soc/mediatek/mt8195: add apusys init flow ......................................................................
soc/mediatek/mt8195: add apusys init flow
Setup APU mbox's functional configuration registers.
BUG=b:203145462 BRANCH=cherry TEST=boot asurada correctly
Signed-off-by: Flora Fu flora.fu@mediatek.com Change-Id: I5053d5e1f1c2286c9dce280ff83e8b8611b573b9 --- M src/soc/mediatek/mt8195/Makefile.inc A src/soc/mediatek/mt8195/apusys.c M src/soc/mediatek/mt8195/include/soc/addressmap.h A src/soc/mediatek/mt8195/include/soc/apusys.h M src/soc/mediatek/mt8195/soc.c 5 files changed, 66 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/94/58794/1
diff --git a/src/soc/mediatek/mt8195/Makefile.inc b/src/soc/mediatek/mt8195/Makefile.inc index 5d444c7..f99fa33 100644 --- a/src/soc/mediatek/mt8195/Makefile.inc +++ b/src/soc/mediatek/mt8195/Makefile.inc @@ -22,6 +22,7 @@ verstage-y += ../common/uart.c verstage-y += ../common/wdt.c
+ramstage-y += apusys.c romstage-y += ../common/auxadc.c romstage-y += ../common/cbmem.c romstage-y += ../common/clkbuf.c diff --git a/src/soc/mediatek/mt8195/apusys.c b/src/soc/mediatek/mt8195/apusys.c new file mode 100644 index 0000000..bc3c4ab --- /dev/null +++ b/src/soc/mediatek/mt8195/apusys.c @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <console/console.h> +#include <device/mmio.h> +#include <soc/apusys.h> + +/* MBOX Functional Configuration */ +DEFINE_BITFIELD(LOCK, 0, 0) +DEFINE_BITFIELD(NO_MPU, 16, 16) + +static void dump_apusys_reg(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(mt8195_apu_mbox); i++) { + printk(BIOS_INFO, "APU_MBOX %p = %#x\n", + (void *)&mt8195_apu_mbox[i]->mbox_func_cfg, + read32(&mt8195_apu_mbox[i]->mbox_func_cfg)); + } +} + +void apusys_init(void) +{ + int i; + + /* Setup MBOX MPU for non secure access */ + for (i = 0; i < ARRAY_SIZE(mt8195_apu_mbox); i++) + SET32_BITFIELDS(&mt8195_apu_mbox[i]->mbox_func_cfg, NO_MPU, 1, LOCK, 1); + + dump_apusys_reg(); +} diff --git a/src/soc/mediatek/mt8195/include/soc/addressmap.h b/src/soc/mediatek/mt8195/include/soc/addressmap.h index 88b545a..cbe704c 100644 --- a/src/soc/mediatek/mt8195/include/soc/addressmap.h +++ b/src/soc/mediatek/mt8195/include/soc/addressmap.h @@ -80,6 +80,7 @@ IOCFG_RB_BASE = IO_PHYS + 0x01EB0000, IOCFG_TL_BASE = IO_PHYS + 0x01F40000, MSDC0_TOP_BASE = IO_PHYS + 0x01F50000, + APU_MBOX_BASE = IO_PHYS + 0x09000000, DISP_OVL0_BASE = IO_PHYS + 0x0C000000, DISP_RDMA0_BASE = IO_PHYS + 0x0C002000, DISP_COLOR0_BASE = IO_PHYS + 0x0C003000, diff --git a/src/soc/mediatek/mt8195/include/soc/apusys.h b/src/soc/mediatek/mt8195/include/soc/apusys.h new file mode 100644 index 0000000..287e0f8 --- /dev/null +++ b/src/soc/mediatek/mt8195/include/soc/apusys.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef SOC_MEDIATEK_MT8195_APUSYS_H +#define SOC_MEDIATEK_MT8195_APUSYS_H + +#include <soc/addressmap.h> +#include <types.h> + +struct mt8195_apu_mbox_regs { + u32 mbox_in[8]; + u32 mbox_out[8]; + u32 mbox_reserved1[28]; + u32 mbox_func_cfg; + u32 mbox0_reserved2[19]; +}; + +check_member(mt8195_apu_mbox_regs, mbox_func_cfg, 0x0b0); + +static struct mt8195_apu_mbox_regs * const mt8195_apu_mbox[] = { + (void *)APU_MBOX_BASE, + (void *)(APU_MBOX_BASE + 0x100), + (void *)(APU_MBOX_BASE + 0x200), + (void *)(APU_MBOX_BASE + 0x300), + (void *)(APU_MBOX_BASE + 0x400), + (void *)(APU_MBOX_BASE + 0x500), + (void *)(APU_MBOX_BASE + 0x600), + (void *)(APU_MBOX_BASE + 0x700), +}; + +void apusys_init(void); +#endif /* SOC_MEDIATEK_MT8195_APUSYS_H */ diff --git a/src/soc/mediatek/mt8195/soc.c b/src/soc/mediatek/mt8195/soc.c index 20bd226..80ca3d9 100644 --- a/src/soc/mediatek/mt8195/soc.c +++ b/src/soc/mediatek/mt8195/soc.c @@ -2,6 +2,7 @@
#include <bootmem.h> #include <device/device.h> +#include <soc/apusys.h> #include <soc/devapc.h> #include <soc/dfd.h> #include <soc/emi.h> @@ -28,6 +29,7 @@ { mtk_mmu_disable_l2c_sram(); dapc_init(); + apusys_init(); mcupm_init(); sspm_init();