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-rw-r--r--board/hpe/gxp/gxp_board.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/board/hpe/gxp/gxp_board.c b/board/hpe/gxp/gxp_board.c
new file mode 100644
index 0000000..d94d9b8
--- /dev/null
+++ b/board/hpe/gxp/gxp_board.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * GXP timer driver
+ *
+ * (C) Copyright 2022 Hewlett Packard Enterprise Development LP.
+ * Author: Nick Hawkins <nick.hawkins@hpe.com>
+ * Author: Jean-Marie Verdun <verdun@hpe.com>
+ */
+
+#include <linux/sizes.h>
+#include <asm/io.h>
+#include <dm.h>
+#include <dm/uclass.h>
+#include <ram.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define ECHI_CMD 0xcefe0010
+
+int board_init(void)
+{
+ writel(0x00080002, ECHI_CMD);
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ if (IS_ENABLED(CONFIG_TARGET_GXP)) {
+ if (IS_ENABLED(CONFIG_GXP_ECC)) {
+ /* 0x0f800000 */
+ gd->ram_size = SZ_128M + SZ_64M + SZ_32M + SZ_16M + SZ_8M;
+ } else {
+ /* 0x1f000000 */
+ gd->ram_size = SZ_256M + SZ_128M + SZ_64M + SZ_32M + SZ_16M;
+ }
+
+ if (IS_ENABLED(CONFIG_GXP_VROM_64MB)) {
+ if (IS_ENABLED(CONFIG_GXP_ECC)) {
+ /* 0x0c000000 */
+ gd->ram_size = SZ_128M + SZ_64M;
+ } else {
+ /* 0x18000000 */
+ gd->ram_size = SZ_256M + SZ_128M;
+ }
+ }
+
+ if (IS_ENABLED(CONFIG_GXP_VROM_32MB)) {
+ if (IS_ENABLED(CONFIG_GXP_ECC)) {
+ /* 0x0e000000 */
+ gd->ram_size = SZ_128M + SZ_64M + SZ_32M;
+ } else {
+ /* 0x1c000000 */
+ gd->ram_size = SZ_256M + SZ_128M + SZ_64M;
+ }
+ }
+ }
+
+ if (IS_ENABLED(CONFIG_TARGET_GXP2)) {
+ /* 0x1b200000 */
+ gd->ram_size = SZ_256M + SZ_128M + SZ_32M + SZ_16M + SZ_2M;
+ if (IS_ENABLED(CONFIG_GXP_VROM_64MB)) {
+ /* 0x14000000 */
+ gd->ram_size = SZ_256M + SZ_64M;
+ }
+
+ if (IS_ENABLED(CONFIG_GXP_VROM_32MB)) {
+ /* 0x18000000 */
+ gd->ram_size = SZ_256M + SZ_128M;
+ }
+ }
+
+ return 0;
+}
+