soc/mediatek: Move wdt_set_req() to common folder

There are more and more variables which are SoC-specific, so add
soc/wdt.h for each SoC and rename common/wdt.h to
common/wdt_common.h.

wdt_set_req() is almost the same for mt8192, mt8195 and mt8186, so
move it to a common file wdt_req.c.

TEST=build pass
BUG=b:233720142

Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Change-Id: I7a334b3e7cd4f24a848dd31aca546dc7236d5fb8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65636
Reviewed-by: Yidi Lin <yidilin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>

src/soc/mediatek/common/include/soc/wdt_common.h

@@ -1,8 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#ifndef SOC_MEDIATEK_COMMON_WDT_H
-#define SOC_MEDIATEK_COMMON_WDT_H
+#ifndef SOC_MEDIATEK_WDT_COMMON_H
+#define SOC_MEDIATEK_WDT_COMMON_H
 
+#include <device/mmio.h>
 #include <stdint.h>
 #include <soc/addressmap.h>
 
@@ -39,10 +40,17 @@ enum {
 	MTK_WDT_STA_HW_RST	= 1 << 31
 };
 
+/* WDT_REQ */
+#define MTK_WDT_REQ_MOD_KEY_VAL 0x33
+#define MTK_WDT_REQ_IRQ_KEY_VAL 0x44
+
+DEFINE_BITFIELD(MTK_WDT_REQ_MOD_KEY, 31, 24)
+DEFINE_BITFIELD(MTK_WDT_REQ_IRQ_KEY, 31, 24)
+
 static struct mtk_wdt_regs *const mtk_wdt = (void *)RGU_BASE;
 
 int mtk_wdt_init(void);
 void mtk_wdt_clr_status(void);
 void mtk_wdt_set_req(void);
 
-#endif /* SOC_MEDIATEK_COMMON_WDT_H */
+#endif /* SOC_MEDIATEK_WDT_COMMON_H */

src/soc/mediatek/common/wdt_req.c

@@ -1,20 +1,12 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <device/mmio.h>
-#include <soc/addressmap.h>
 #include <soc/wdt.h>
 
-#define MTK_WDT_REQ_MOD_KEY_VAL 0x33
-#define MTK_WDT_REQ_IRQ_KEY_VAL 0x44
-
-DEFINE_BITFIELD(MTK_WDT_REQ_MOD_KEY, 31, 24)
-DEFINE_BITFIELD(MTK_WDT_REQ_IRQ_KEY, 31, 24)
-DEFINE_BIT(MTK_WDT_THERMAL_EN, 18)
-DEFINE_BIT(MTK_WDT_THERMAL_IRQ, 18)
-
 void mtk_wdt_set_req(void)
 {
 	SET32_BITFIELDS(&mtk_wdt->wdt_req_mode,
+			MTK_WDT_SPM_THERMAL_EN, MTK_WDT_SPM_THERMAL_VAL,
 			MTK_WDT_THERMAL_EN, 1,
 			MTK_WDT_REQ_MOD_KEY, MTK_WDT_REQ_MOD_KEY_VAL);
 	SET32_BITFIELDS(&mtk_wdt->wdt_req_irq_en,

src/soc/mediatek/mt8173/include/soc/wdt.h

@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef SOC_MEDIATEK_MT8173_WDT_H
+#define SOC_MEDIATEK_MT8173_WDT_H
+
+#include <soc/wdt_common.h>
+
+#endif /* SOC_MEDIATEK_MT8173_WDT_H */

src/soc/mediatek/mt8183/include/soc/wdt.h

@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef SOC_MEDIATEK_MT8183_WDT_H
+#define SOC_MEDIATEK_MT8183_WDT_H
+
+#include <soc/wdt_common.h>
+
+#endif /* SOC_MEDIATEK_MT8183_WDT_H */

src/soc/mediatek/mt8186/Makefile.inc

@@ -14,7 +14,7 @@ bootblock-y += gic.c
 bootblock-y += ../common/mmu_operations.c
 bootblock-y += ../common/pll.c pll.c
 bootblock-y += ../common/tracker.c ../common/tracker_v1.c
-bootblock-y += ../common/wdt.c wdt.c
+bootblock-y += ../common/wdt.c ../common/wdt_req.c wdt.c
 
 romstage-y += ../common/cbmem.c
 romstage-y += ../common/dram_init.c

src/soc/mediatek/mt8186/include/soc/wdt.h

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef SOC_MEDIATEK_MT8186_WDT_H
+#define SOC_MEDIATEK_MT8186_WDT_H
+
+#include <soc/wdt_common.h>
+
+#define MTK_WDT_SPM_THERMAL_VAL 0
+
+DEFINE_BIT(MTK_WDT_SPM_THERMAL_EN, 0)
+DEFINE_BIT(MTK_WDT_THERMAL_EN, 18)
+DEFINE_BIT(MTK_WDT_THERMAL_IRQ, 18)
+
+#endif /* SOC_MEDIATEK_MT8186_WDT_H */

src/soc/mediatek/mt8186/wdt.c

@@ -10,26 +10,8 @@
 #include <soc/wdt.h>
 
 #define MTK_WDT_CLR_STATUS_VAL 0x22
-#define MTK_WDT_REQ_MOD_KEY_VAL 0x33
-#define MTK_WDT_REQ_IRQ_KEY_VAL 0x44
 
 DEFINE_BITFIELD(MTK_WDT_CLR_STATUS, 31, 24)
-DEFINE_BITFIELD(MTK_WDT_REQ_MOD_KEY, 31, 24)
-DEFINE_BITFIELD(MTK_WDT_REQ_IRQ_KEY, 31, 24)
-DEFINE_BIT(MTK_WDT_SPM_THERMAL_EN, 0)
-DEFINE_BIT(MTK_WDT_THERMAL_EN, 18)
-DEFINE_BIT(MTK_WDT_THERMAL_IRQ, 18)
-
-void mtk_wdt_set_req(void)
-{
-	SET32_BITFIELDS(&mtk_wdt->wdt_req_mode,
-			MTK_WDT_SPM_THERMAL_EN, 0,
-			MTK_WDT_THERMAL_EN, 1,
-			MTK_WDT_REQ_MOD_KEY, MTK_WDT_REQ_MOD_KEY_VAL);
-	SET32_BITFIELDS(&mtk_wdt->wdt_req_irq_en,
-			MTK_WDT_THERMAL_IRQ, 0,
-			MTK_WDT_REQ_IRQ_KEY, MTK_WDT_REQ_IRQ_KEY_VAL);
-}
 
 void mtk_wdt_clr_status(void)
 {

src/soc/mediatek/mt8192/Makefile.inc

@@ -13,7 +13,7 @@ bootblock-y += ../common/eint_event.c
 bootblock-y += ../common/mmu_operations.c
 bootblock-y += ../common/pll.c pll.c
 bootblock-y += ../common/tracker.c ../common/tracker_v2.c
-bootblock-y += ../common/wdt.c wdt.c
+bootblock-y += ../common/wdt.c ../common/wdt_req.c
 
 romstage-y += ../common/auxadc.c
 romstage-y += ../common/cbmem.c

src/soc/mediatek/mt8192/include/soc/wdt.h

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef SOC_MEDIATEK_MT8192_WDT_H
+#define SOC_MEDIATEK_MT8192_WDT_H
+
+#include <soc/wdt_common.h>
+
+#define MTK_WDT_SPM_THERMAL_VAL 1
+
+DEFINE_BIT(MTK_WDT_SPM_THERMAL_EN, 0)
+DEFINE_BIT(MTK_WDT_THERMAL_EN, 18)
+DEFINE_BIT(MTK_WDT_THERMAL_IRQ, 18)
+
+#endif /* SOC_MEDIATEK_MT8192_WDT_H */

src/soc/mediatek/mt8195/Makefile.inc

@@ -15,7 +15,7 @@ bootblock-y += ../common/mmu_operations.c
 bootblock-$(CONFIG_PCI) += pcie.c
 bootblock-y += ../common/pll.c pll.c
 bootblock-y += ../common/tracker.c ../common/tracker_v2.c
-bootblock-y += ../common/wdt.c wdt.c
+bootblock-y += ../common/wdt.c ../common/wdt_req.c wdt.c
 
 romstage-y += ../common/cbmem.c
 romstage-y += ../common/clkbuf.c

src/soc/mediatek/mt8195/include/soc/wdt.h

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef SOC_MEDIATEK_MT8195_WDT_H
+#define SOC_MEDIATEK_MT8195_WDT_H
+
+#include <soc/wdt_common.h>
+
+#define MTK_WDT_SPM_THERMAL_VAL 1
+
+DEFINE_BIT(MTK_WDT_SPM_THERMAL_EN, 0)
+DEFINE_BIT(MTK_WDT_THERMAL_EN, 18)
+DEFINE_BIT(MTK_WDT_THERMAL_IRQ, 18)
+
+#endif /* SOC_MEDIATEK_MT8195_WDT_H */

src/soc/mediatek/mt8195/wdt.c

@@ -5,23 +5,6 @@
 #include <soc/wdt.h>
 
 #define MTK_WDT_CLR_STATUS 0x230001FF
-#define MTK_WDT_REQ_MOD_KEY_VAL 0x33
-#define MTK_WDT_REQ_IRQ_KEY_VAL 0x44
-
-DEFINE_BITFIELD(MTK_WDT_REQ_MOD_KEY, 31, 24)
-DEFINE_BITFIELD(MTK_WDT_REQ_IRQ_KEY, 31, 24)
-DEFINE_BIT(MTK_WDT_THERMAL_EN, 18)
-DEFINE_BIT(MTK_WDT_THERMAL_IRQ, 18)
-
-void mtk_wdt_set_req(void)
-{
-	SET32_BITFIELDS(&mtk_wdt->wdt_req_mode,
-			MTK_WDT_THERMAL_EN, 1,
-			MTK_WDT_REQ_MOD_KEY, MTK_WDT_REQ_MOD_KEY_VAL);
-	SET32_BITFIELDS(&mtk_wdt->wdt_req_irq_en,
-			MTK_WDT_THERMAL_IRQ, 0,
-			MTK_WDT_REQ_IRQ_KEY, MTK_WDT_REQ_IRQ_KEY_VAL);
-}
 
 void mtk_wdt_clr_status(void)
 {