brya: add various ES variants

Fork multiple "4ES" variants off some brya devices to
properly support ES SoC.

BRANCH=none
BUG=b:201767461
TEST=emerge-brya coreboot and check the artifacts

Signed-off-by: YH Lin <yueherngl@google.com>
Change-Id: Ic9516fec591429238bde1478eca2522d8ed10127
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59728
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/mainboard/google/brya/variants/brya4es/ramstage.c b/src/mainboard/google/brya/variants/brya4es/ramstage.c
new file mode 100644
index 0000000..06040e4
--- /dev/null
+++ b/src/mainboard/google/brya/variants/brya4es/ramstage.c
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/variants.h>
+#include <device/pci_ids.h>
+
+const struct cpu_power_limits limits[] = {
+	/* SKU_ID, TDP (Watts), pl1_min, pl1_max, pl2_min, pl2_max, pl4 */
+	/* All values are for baseline config as per bug:191906315 comment #10 */
+	{ PCI_DEVICE_ID_INTEL_ADL_P_ID_7, 15, 3000, 15000, 39000, 39000, 100000 },
+	{ PCI_DEVICE_ID_INTEL_ADL_P_ID_6, 15, 3000, 15000, 39000, 39000, 100000 },
+	{ PCI_DEVICE_ID_INTEL_ADL_P_ID_5, 28, 4000, 28000, 43000, 43000, 105000 },
+	{ PCI_DEVICE_ID_INTEL_ADL_P_ID_3, 28, 4000, 28000, 43000, 43000, 105000 },
+	{ PCI_DEVICE_ID_INTEL_ADL_P_ID_3, 45, 5000, 45000, 80000, 80000, 159000 },
+};
+
+void variant_devtree_update(void)
+{
+	size_t total_entries = ARRAY_SIZE(limits);
+	variant_update_power_limits(limits, total_entries);
+}