soc/amd/picasso,stoneyridge/acpi: use define for RTC_DATE_ALARM

Cezanne already uses a define for this and it's better to define and use
constants instead of magic values.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ifa4b3b3cdb161670128b284a3396fc5a85545608
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59586
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>

src/soc/amd/picasso/acpi.c

@@ -92,7 +92,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
 	fadt->duty_offset = 1;	/* CLK_VAL bits 3:1 */
 	fadt->duty_width = 3;	/* CLK_VAL bits 3:1 */
-	fadt->day_alrm = 0x0d;
+	fadt->day_alrm = RTC_DATE_ALARM;
 	fadt->mon_alrm = 0;
 	fadt->iapc_boot_arch = cfg->fadt_boot_arch; /* legacy free default */
 	fadt->res2 = 0;		/* reserved, MUST be 0 ACPI 3.0 */

src/soc/amd/picasso/include/soc/acpi.h

@@ -8,6 +8,9 @@
 #include <device/device.h>
 #include <stdint.h>
 
+/* RTC Registers */
+#define RTC_DATE_ALARM		0x0d
+
 uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current,
 				  acpi_rsdp_t *rsdp);
 

src/soc/amd/stoneyridge/acpi.c

@@ -84,7 +84,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
 	fadt->duty_offset = 1;	/* CLK_VAL bits 3:1 */
 	fadt->duty_width = 3;	/* CLK_VAL bits 3:1 */
-	fadt->day_alrm = 0x0d;
+	fadt->day_alrm = RTC_DATE_ALARM;
 	fadt->mon_alrm = 0;	/* Not supported */
 	fadt->iapc_boot_arch = FADT_BOOT_ARCH;	/* See table 5-10 */
 	fadt->res2 = 0;		/* reserved, MUST be 0 ACPI 3.0 */

src/soc/amd/stoneyridge/include/soc/acpi.h

@@ -12,6 +12,9 @@
 	#define FADT_BOOT_ARCH (ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042)
 #endif
 
+/* RTC Registers */
+#define RTC_DATE_ALARM		0x0d
+
 const char *soc_acpi_name(const struct device *dev);
 
 #endif /* AMD_STONEYRIDGE_ACPI_H */