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authorChun-Jie Chen <chun-jie.chen@mediatek.corp-partner.google.com>2021-11-12 09:42:12 +0800
committerHung-Te Lin <hungte@chromium.org>2021-11-17 10:31:23 +0000
commitc7e17bce06f36f52652f9ce0865d7fff38446caa (patch)
tree895be9d3490f10128496a362cef6d57e72bf56ef /src
parentad5fda5fbf1ce5b1f009930992bb7f8280dd063c (diff)
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>
Diffstat (limited to 'src')
-rw-r--r--src/soc/mediatek/mt8186/Makefile.inc1
-rw-r--r--src/soc/mediatek/mt8186/include/soc/spm.h18
-rw-r--r--src/soc/mediatek/mt8186/mtcmos.c23
-rw-r--r--src/soc/mediatek/mt8186/spm.c2
4 files changed, 42 insertions, 2 deletions
diff --git a/src/soc/mediatek/mt8186/Makefile.inc b/src/soc/mediatek/mt8186/Makefile.inc
index 92f7e6a306..35f9873d26 100644
--- a/src/soc/mediatek/mt8186/Makefile.inc
+++ b/src/soc/mediatek/mt8186/Makefile.inc
@@ -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
diff --git a/src/soc/mediatek/mt8186/include/soc/spm.h b/src/soc/mediatek/mt8186/include/soc/spm.h
index c60d62ba9b..18a97445fa 100644
--- a/src/soc/mediatek/mt8186/include/soc/spm.h
+++ b/src/soc/mediatek/mt8186/include/soc/spm.h
@@ -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 */
diff --git a/src/soc/mediatek/mt8186/mtcmos.c b/src/soc/mediatek/mt8186/mtcmos.c
new file mode 100644
index 0000000000..314edd536e
--- /dev/null
+++ b/src/soc/mediatek/mt8186/mtcmos.c
@@ -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. */
+}
diff --git a/src/soc/mediatek/mt8186/spm.c b/src/soc/mediatek/mt8186/spm.c
index 41fa913856..bc263eb1e3 100644
--- a/src/soc/mediatek/mt8186/spm.c
+++ b/src/soc/mediatek/mt8186/spm.c
@@ -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 */