board: k2e-evm: add board support
This patch adds Keystone2 k2e_evm evaluation board support.
Signed-off-by: Hao Zhang <hzhang@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
diff --git a/board/ti/ks2_evm/ddr3_k2e.c b/board/ti/ks2_evm/ddr3_k2e.c
new file mode 100644
index 0000000..40fd966
--- /dev/null
+++ b/board/ti/ks2_evm/ddr3_k2e.c
@@ -0,0 +1,55 @@
+/*
+ * Keystone2: DDR3 initialization
+ *
+ * (C) Copyright 2014
+ * Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include "ddr3_cfg.h"
+#include <asm/arch/ddr3.h>
+
+static int ddr3_size;
+static struct pll_init_data ddr3_400 = DDR3_PLL_400;
+
+void ddr3_init(void)
+{
+ char dimm_name[32];
+
+ if (~(readl(KS2_PLL_CNTRL_BASE + KS2_RSTCTRL_RSTYPE) & 0x1))
+ init_pll(&ddr3_400);
+
+ ddr3_get_dimm_params(dimm_name);
+
+ printf("Detected SO-DIMM [%s]\n", dimm_name);
+
+ /* Reset DDR3 PHY after PLL enabled */
+ ddr3_reset_ddrphy();
+
+ if (!strcmp(dimm_name, "18KSF1G72HZ-1G6E2 ")) {
+ /* 8G SO-DIMM */
+ ddr3_size = 8;
+ printf("DRAM: 8 GiB\n");
+ ddr3phy_1600_8g.zq0cr1 |= 0x10000;
+ ddr3phy_1600_8g.zq1cr1 |= 0x10000;
+ ddr3phy_1600_8g.zq2cr1 |= 0x10000;
+ ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_1600_8g);
+ ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_1600_8g);
+ } else if (!strcmp(dimm_name, "18KSF51272HZ-1G6K2")) {
+ /* 4G SO-DIMM */
+ ddr3_size = 4;
+ printf("DRAM: 4 GiB\n");
+ ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_1600_4g);
+ ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_1600_4g);
+ }
+}
+
+/**
+ * ddr3_get_size - return ddr3 size in GiB
+ */
+int ddr3_get_size(void)
+{
+ return ddr3_size;
+}