soc/mediatek/mt8195: Add RTC driver

Both mt8192 and mt8195 use MT659P RTC. Move mt8192/rtc.c to common
folder and rename to rtc_mt6359p.c.

Signed-off-by: Yuchen Huang <yuchen.huang@mediatek.corp-partner.google.com>
Signed-off-by: Yidi Lin <yidi.lin@mediatek.com>
Change-Id: I73ea90512228a659657f2019249e7142c673e68e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/53897
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

7 files changed, 259 insertions, 2 deletions

diff --git a/src/soc/mediatek/mt8192/rtc.c b/src/soc/mediatek/common/rtc_mt6359p.c
index b5c381b50d..b5c381b50d 100644
--- a/src/soc/mediatek/mt8192/rtc.c
+++ b/src/soc/mediatek/common/rtc_mt6359p.c
diff --git a/src/soc/mediatek/mt8192/Makefile.inc b/src/soc/mediatek/mt8192/Makefile.inc
index 484cfb8e21..24394173d9 100644
--- a/src/soc/mediatek/mt8192/Makefile.inc
+++ b/src/soc/mediatek/mt8192/Makefile.inc
@@ -38,7 +38,7 @@ romstage-y += ../common/uart.c
 romstage-y += ../common/pmif.c ../common/pmif_clk.c pmif_clk.c
 romstage-y += ../common/pmif_spi.c pmif_spi.c
 romstage-y += ../common/pmif_spmi.c pmif_spmi.c
-romstage-y += ../common/rtc.c ../common/rtc_osc_init.c rtc.c
+romstage-y += ../common/rtc.c ../common/rtc_osc_init.c ../common/rtc_mt6359p.c
 romstage-y += ../common/mt6315.c mt6315.c
 romstage-y += ../common/mt6359p.c mt6359p.c
 
@@ -57,7 +57,7 @@ ramstage-y += ../common/mmu_operations.c mmu_operations.c
 ramstage-$(CONFIG_COMMONLIB_STORAGE_MMC) += ../common/msdc.c
 ramstage-y += ../common/mtcmos.c mtcmos.c
 ramstage-y += ../common/pmif.c
-ramstage-y += ../common/rtc.c rtc.c
+ramstage-y += ../common/rtc.c ../common/rtc_mt6359p.c
 ramstage-y += soc.c
 ramstage-y += spm.c
 ramstage-y += sspm.c
diff --git a/src/soc/mediatek/mt8195/Makefile.inc b/src/soc/mediatek/mt8195/Makefile.inc
index cc855b2b81..514acbdfe8 100644
--- a/src/soc/mediatek/mt8195/Makefile.inc
+++ b/src/soc/mediatek/mt8195/Makefile.inc
@@ -35,6 +35,7 @@ romstage-y += ../common/pmif_spi.c pmif_spi.c
 romstage-y += ../common/pmif_spmi.c pmif_spmi.c
 romstage-y += ../common/mt6315.c mt6315.c
 romstage-y += ../common/mt6359p.c mt6359p.c
+romstage-y += ../common/rtc.c ../common/rtc_osc_init.c ../common/rtc_mt6359p.c
 
 ramstage-y += emi.c
 ramstage-y += ../common/flash_controller.c
@@ -46,6 +47,7 @@ ramstage-$(CONFIG_SPI_FLASH) += ../common/spi.c spi.c
 ramstage-y += soc.c
 ramstage-y += ../common/timer.c timer.c
 ramstage-y += ../common/uart.c
+ramstage-y += ../common/usb.c usb.c
 ramstage-y += ../common/wdt.c
 ramstage-y += mt6360.c
 
diff --git a/src/soc/mediatek/mt8195/include/soc/pll.h b/src/soc/mediatek/mt8195/include/soc/pll.h
index 60fcbd9884..cc133c8b14 100644
--- a/src/soc/mediatek/mt8195/include/soc/pll.h
+++ b/src/soc/mediatek/mt8195/include/soc/pll.h
@@ -168,6 +168,7 @@ struct mtk_topckgen_regs {
 };
 
 check_member(mtk_topckgen_regs, clk_cfg_0, 0x0020);
+check_member(mtk_topckgen_regs, clk_cfg_11_clr, 0x00ac);
 check_member(mtk_topckgen_regs, clk_extck_reg, 0x0204);
 check_member(mtk_topckgen_regs, clk26cali_0, 0x0218);
 check_member(mtk_topckgen_regs, clk_misc_cfg_0, 0x022c);
diff --git a/src/soc/mediatek/mt8195/include/soc/rtc.h b/src/soc/mediatek/mt8195/include/soc/rtc.h
new file mode 100644
index 0000000000..908473166e
--- /dev/null
+++ b/src/soc/mediatek/mt8195/include/soc/rtc.h
@@ -0,0 +1,218 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef SOC_MEDIATEK_MT8195_RTC_H
+#define SOC_MEDIATEK_MT8195_RTC_H
+
+#include <soc/pmif.h>
+#include <stdbool.h>
+
+/* RTC registers */
+enum {
+	RTC_BBPU = 0x0588,
+	RTC_IRQ_STA = 0x058A,
+	RTC_IRQ_EN = 0x058C,
+	RTC_CII_EN = 0x058E,
+};
+
+enum {
+	RTC_TC_SEC = 0x0592,
+	RTC_TC_MIN = 0x0594,
+	RTC_TC_HOU = 0x0596,
+	RTC_TC_DOM = 0x0598,
+	RTC_TC_DOW = 0x059A,
+	RTC_TC_MTH = 0x059C,
+	RTC_TC_YEA = 0x059E,
+};
+
+enum {
+	RTC_AL_SEC = 0x05A0,
+	RTC_AL_MIN = 0x05A2,
+	RTC_AL_HOU = 0x05A4,
+	RTC_AL_DOM = 0x05A6,
+	RTC_AL_DOW = 0x05A8,
+	RTC_AL_MTH = 0x05AA,
+	RTC_AL_YEA = 0x05AC,
+	RTC_AL_MASK = 0x0590,
+};
+
+enum {
+	RTC_OSC32CON = 0x05AE,
+	RTC_CON = 0x05C4,
+	RTC_WRTGR = 0x05C2,
+};
+
+enum {
+	RTC_POWERKEY1 = 0x05B0,
+	RTC_POWERKEY2 = 0x05B2,
+};
+
+enum {
+	RTC_PDN1 = 0x05B4,
+	RTC_PDN2 = 0x05B6,
+	RTC_SPAR0 = 0x05B8,
+	RTC_SPAR1 = 0x05BA,
+	RTC_PROT = 0x05BC,
+	RTC_DIFF = 0x05BE,
+	RTC_CALI = 0x05C0,
+};
+
+enum {
+	RTC_BBPU_ENABLE_ALARM	= 1U << 0,
+	RTC_BBPU_SPAR_SW	= 1U << 1,
+	RTC_BBPU_RESET_SPAR	= 1U << 2,
+	RTC_BBPU_RESET_ALARM	= 1U << 3,
+	RTC_BBPU_CLRPKY	= 1U << 4,
+	RTC_BBPU_RELOAD	= 1U << 5,
+	RTC_BBPU_CBUSY	= 1U << 6,
+	RTC_CBUSY_TIMEOUT_US = 1000000,
+};
+
+enum {
+	RTC_CON_VBAT_LPSTA_RAW	= 1U << 0,
+	RTC_CON_EOSC32_LPEN	= 1U << 1,
+	RTC_CON_XOSC32_LPEN	= 1U << 2,
+	RTC_CON_LPRST		= 1U << 3,
+	RTC_CON_CDBO		= 1U << 4,
+	RTC_CON_F32KOB		= 1U << 5,
+	RTC_CON_GPO		= 1U << 6,
+	RTC_CON_GOE		= 1U << 7,
+	RTC_CON_GSR		= 1U << 8,
+	RTC_CON_GSMT		= 1U << 9,
+	RTC_CON_GPEN		= 1U << 10,
+	RTC_CON_GPU		= 1U << 11,
+	RTC_CON_GE4		= 1U << 12,
+	RTC_CON_GE8		= 1U << 13,
+	RTC_CON_GPI		= 1U << 14,
+	RTC_CON_LPSTA_RAW	= 1U << 15,
+};
+
+enum {
+	RTC_XOSCCALI_MASK	= 0x1F << 0,
+	RTC_XOSC32_ENB		= 1U << 5,
+	RTC_EMB_HW_MODE		= 0U << 6,
+	RTC_EMB_K_EOSC32_MODE	= 1U << 6,
+	RTC_EMB_SW_DCXO_MODE	= 2U << 6,
+	RTC_EMB_SW_EOSC32_MODE	= 3U << 6,
+	RTC_EMBCK_SEL_MODE_MASK	= 3U << 6,
+	RTC_EMBCK_SRC_SEL	= 1U << 8,
+	RTC_EMBCK_SEL_OPTION	= 1U << 9,
+	RTC_GPS_CKOUT_EN	= 1U << 10,
+	RTC_EOSC32_VCT_EN	= 1U << 11,
+	RTC_EOSC32_CHOP_EN	= 1U << 12,
+	RTC_GP_OSC32_CON	= 2U << 13,
+	RTC_REG_XOSC32_ENB	= 1U << 15,
+};
+
+enum {
+	OSC32CON_ANALOG_SETTING = RTC_GP_OSC32_CON | RTC_EOSC32_CHOP_EN |
+		RTC_EOSC32_VCT_EN | RTC_GPS_CKOUT_EN | RTC_EMBCK_SEL_OPTION |
+		RTC_EMB_K_EOSC32_MODE,
+};
+
+enum {
+	RTC_LPD_OPT_XOSC_AND_EOSC_LPD	= 0U << 13,
+	RTC_LPD_OPT_EOSC_LPD		= 1U << 13,
+	RTC_LPD_OPT_XOSC_LPD		= 2U << 13,
+	RTC_LPD_OPT_F32K_CK_ALIVE	= 3U << 13,
+	RTC_LPD_OPT_MASK		= 3U << 13,
+};
+
+/* PMIC TOP Register Definition */
+enum {
+	PMIC_RG_SCK_TOP_CON0 = 0x050C,
+};
+
+/* PMIC TOP Register Definition */
+enum {
+	PMIC_RG_TOP_CKPDN_CON0 = 0x010C,
+	PMIC_RG_TOP_CKPDN_CON0_SET = 0x010E,
+	PMIC_RG_TOP_CKPDN_CON0_CLR = 0x0110,
+	PMIC_RG_TOP_CKPDN_CON1 = 0x0112,
+	PMIC_RG_TOP_CKPDN_CON1_SET = 0x0114,
+	PMIC_RG_TOP_CKPDN_CON1_CLR = 0x0116,
+	PMIC_RG_TOP_CKSEL_CON0 = 0x0118,
+	PMIC_RG_TOP_CKSEL_CON0_SET = 0x011A,
+	PMIC_RG_TOP_CKSEL_CON0_CLR = 0x011C,
+};
+
+enum {
+	PMIC_RG_FQMTR_32K_CK_PDN_SHIFT = 10,
+	PMIC_RG_FQMTR_CK_PDN_SHIFT = 11,
+};
+
+enum {
+	PMIC_RG_BANK_FQMTR_RST = 0x522,
+};
+
+enum {
+	PMIC_RG_FQMTR_DCXO26M_EN_SHIFT = 4,
+	PMIC_RG_BANK_FQMTR_RST_SHIFT = 6,
+};
+
+/* PMIC Frequency Meter Definition */
+enum {
+	PMIC_RG_FQMTR_CKSEL	= 0x0118,
+	PMIC_RG_FQMTR_RST	= 0x013A,
+	PMIC_RG_FQMTR_CON0	= 0x0546,
+	PMIC_RG_FQMTR_WINSET	= 0x0548,
+	PMIC_RG_FQMTR_DATA	= 0x054A,
+	FQMTR_TIMEOUT_US	= 8000,
+};
+
+enum {
+	PMIC_FQMTR_FIX_CLK_26M		= 0U << 0,
+	PMIC_FQMTR_FIX_CLK_XOSC_32K_DET	= 1U << 0,
+	PMIC_FQMTR_FIX_CLK_EOSC_32K	= 2U << 0,
+	PMIC_FQMTR_FIX_CLK_RTC_32K	= 3U << 0,
+	PMIC_FQMTR_FIX_CLK_DCXO1M_CK	= 4U << 0,
+	PMIC_FQMTR_FIX_CLK_TCK_SEC	= 5U << 0,
+	PMIC_FQMTR_FIX_CLK_PMU_32K	= 6U << 0,
+	PMIC_FQMTR_CKSEL_MASK		= 7U << 0,
+};
+
+enum {
+	PMIC_FQMTR_RST_SHIFT = 8,
+};
+
+enum {
+	PMIC_FQMTR_CON0_XOSC32_CK	= 0U << 0,
+	PMIC_FQMTR_CON0_DCXO_F32K_CK	= 1U << 0,
+	PMIC_FQMTR_CON0_EOSC32_CK	= 2U << 0,
+	PMIC_FQMTR_CON0_XOSC32_CK_DETECTON = 3U << 0,
+	PMIC_FQMTR_CON0_FQM26M_CK	= 4U << 0,
+	PMIC_FQMTR_CON0_FQM32k_CK	= 5U << 0,
+	PMIC_FQMTR_CON0_TEST_CK		= 6U << 0,
+	PMIC_FQMTR_CON0_TCKSEL_MASK	= 7U << 0,
+	PMIC_FQMTR_CON0_BUSY		= 1U << 3,
+	PMIC_FQMTR_CON0_DCXO26M_EN	= 1U << 4,
+	PMIC_FQMTR_CON0_FQMTR_EN	= 1U << 15,
+};
+
+enum {
+	RTC_FQMTR_LOW_BASE = 794 - 2,
+	RTC_FQMTR_HIGH_BASE = 794 + 2,
+};
+
+enum {
+	RTC_XOSCCALI_START = 0x00,
+	RTC_XOSCCALI_END = 0x1f,
+};
+
+enum {
+	RTC_TC_MTH_MASK = 0xf,
+};
+
+enum {
+	RTC_K_EOSC_RSV_0	= 1 << 8,
+	RTC_K_EOSC_RSV_1	= 1 << 9,
+	RTC_K_EOSC_RSV_2	= 1 << 10,
+};
+
+void rtc_read(u16 addr, u16 *rdata);
+void rtc_write(u16 addr, u16 wdata);
+void rtc_bbpu_power_on(void);
+int rtc_init(int recover);
+bool rtc_gpio_init(void);
+void rtc_boot(void);
+u16 rtc_get_frequency_meter(u16 val, u16 measure_src, u16 window_size);
+#endif /* SOC_MEDIATEK_MT8195_RTC_H */
diff --git a/src/soc/mediatek/mt8195/include/soc/usb.h b/src/soc/mediatek/mt8195/include/soc/usb.h
new file mode 100644
index 0000000000..e39ec3841d
--- /dev/null
+++ b/src/soc/mediatek/mt8195/include/soc/usb.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef SOC_MEDIATEK_MT8195_USB_H
+#define SOC_MEDIATEK_MT8195_USB_H
+
+#include <soc/usb_common.h>
+
+struct ssusb_sif_port {
+	struct sif_u2_phy_com u2phy;
+	u32 reserved0[64 * 5];
+	struct sif_u3phyd u3phyd;
+	u32 reserved1[64];
+	struct sif_u3phya u3phya;
+	struct sif_u3phya_da u3phya_da;
+	u32 reserved2[64 * 3];
+};
+check_member(ssusb_sif_port, u3phyd, 0x600);
+check_member(ssusb_sif_port, u3phya, 0x800);
+check_member(ssusb_sif_port, u3phya_da, 0x900);
+check_member(ssusb_sif_port, reserved2, 0xa00);
+
+#define USB_PORT_NUMBER 1
+
+#endif
diff --git a/src/soc/mediatek/mt8195/usb.c b/src/soc/mediatek/mt8195/usb.c
new file mode 100644
index 0000000000..7b6347e605
--- /dev/null
+++ b/src/soc/mediatek/mt8195/usb.c
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/mmio.h>
+#include <soc/infracfg.h>
+#include <soc/pll.h>
+#include <soc/usb.h>
+
+void mtk_usb_prepare(void)
+{
+	setbits32(&mtk_topckgen->clk_cfg_11_clr, BIT(7) | BIT(15));
+	setbits32(&mt8195_infracfg_ao->module_sw_cg_2_clr, BIT(1) | BIT(31));
+}