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soc/mediatek/mt8186: Add mtcmos init support 

Add mtcmos to support display and audio.

TEST=build pass
BUG=b:202871018

Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Change-Id: Ib9d41d47f235376f524c3ff78f1fcc069cbc60cd
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59343
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Chun-Jie Chen 2021-11-12 09:42:12 +08:00 committed by Hung-Te Lin
parent ad5fda5fbf
commit c7e17bce06
4 changed files with 42 additions and 2 deletions
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1
src/soc/mediatek/mt8186/Makefile.inc
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@ -40,6 +40,7 @@ ramstage-y += ../common/auxadc.c
ramstage-y += emi.c
ramstage-y += ../common/flash_controller.c
ramstage-y += ../common/gpio.c gpio.c
ramstage-y += ../common/mtcmos.c mtcmos.c
ramstage-y += ../common/i2c.c i2c.c
ramstage-y += ../common/mcu.c
ramstage-y += ../common/mmu_operations.c ../common/mmu_cmops.c

18
src/soc/mediatek/mt8186/include/soc/spm.h
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@ -10,6 +10,7 @@
#include <device/mmio.h>
#include <soc/addressmap.h>
#include <soc/mtcmos.h>
#include <types.h>
#define SPM_INIT_DONE_US 20
@ -140,7 +141,7 @@ DEFINE_BIT(SYS_TIMER_START_EN_LSB, 0)
PCM_SW_INT0)
struct mtk_spm_regs {
uint32_t poweron_config_en;
uint32_t poweron_config_set;
uint32_t spm_power_on_val0;
uint32_t spm_power_on_val1;
uint32_t spm_clk_con;
@ -833,6 +834,8 @@ struct pwr_ctrl {
/* Auto-gen End */
};
check_member(mtk_spm_regs, poweron_config_set, 0x0);
check_member(mtk_spm_regs, dis_pwr_con, 0x354);
check_member(mtk_spm_regs, ap_mdsrc_req, 0x430);
check_member(mtk_spm_regs, ssusb_top_pwr_con, 0x9F0);
check_member(mtk_spm_regs, ssusb_top_p1_pwr_con, 0x9F4);
@ -853,6 +856,19 @@ struct dyna_load_pcm {
static struct mtk_spm_regs *const mtk_spm = (void *)SPM_BASE;
static const struct power_domain_data disp[] = {
{
.pwr_con = &mtk_spm->dis_pwr_con,
.pwr_sta_mask = 0x1 << 21,
.sram_pdn_mask = 0x1 << 8,
.sram_ack_mask = 0x1 << 12,
},
};
/* without audio mtcmos control in MT8186 */
static const struct power_domain_data audio[] = {
};
int spm_init(void);
#endif /* SOC_MEDIATEK_MT8186_SPM_H */

23
src/soc/mediatek/mt8186/mtcmos.c Normal file
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@ -0,0 +1,23 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/mmio.h>
#include <soc/infracfg.h>
#include <soc/mtcmos.h>
enum {
DISP_PROT_STEP_2_MASK = 0x00000C06,
DISP_PROT_STEP_1_MASK = 0x00001800,
};
void mtcmos_protect_display_bus(void)
{
write32(&mt8186_infracfg_ao->infra_topaxi_protecten_clr,
DISP_PROT_STEP_2_MASK);
write32(&mt8186_infracfg_ao->infra_topaxi_protecten_1_clr,
DISP_PROT_STEP_1_MASK);
}
void mtcmos_protect_audio_bus(void)
{
/* No need to do protection since MT8186 doesn't have audio mtcmos. */
}

2
src/soc/mediatek/mt8186/spm.c
View File

@ -384,7 +384,7 @@ static void spm_hw_s1_state_monitor(int en)
static void spm_register_init(void)
{
/* Enable register control */
write32(&mtk_spm->poweron_config_en,
write32(&mtk_spm->poweron_config_set,
SPM_REGWR_CFG_KEY | BCLK_CG_EN_LSB);
/* Init power control register */