xes: Update Freescale DDR code to work with 86xx processors

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 99 insertions, 0 deletions

diff --git a/board/xes/common/fsl_8xxx_ddr.c b/board/xes/common/fsl_8xxx_ddr.c
new file mode 100644
index 0000000..ec64efa
--- /dev/null
+++ b/board/xes/common/fsl_8xxx_ddr.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/mmu.h>
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+extern void ddr_enable_ecc(unsigned int dram_size);
+#endif
+
+phys_size_t initdram(int board_type)
+{
+	phys_size_t dram_size = fsl_ddr_sdram();
+
+#ifdef CONFIG_MPC85xx
+	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
+	dram_size *= 0x100000;
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+	/* Initialize and enable DDR ECC */
+	ddr_enable_ecc(dram_size);
+#endif
+
+	return dram_size;
+}
+
+#if defined(CONFIG_DDR_ECC) || (CONFIG_NUM_DDR_CONTROLLERS > 1)
+void board_add_ram_info(int use_default)
+{
+#if (CONFIG_NUM_DDR_CONTROLLERS > 1)
+#if defined(CONFIG_MPC85xx)
+	volatile ccsr_ddr_t *ddr1 = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
+#elif defined(CONFIG_MPC86xx)
+	volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
+	volatile ccsr_ddr_t *ddr1 = &immap->im_ddr1;
+#endif
+#endif
+
+	puts(" (");
+
+#if (CONFIG_NUM_DDR_CONTROLLERS > 1)
+	/* Print interleaving information */
+	if (ddr1->cs0_config & 0x20000000) {
+		switch ((ddr1->cs0_config >> 24) & 0xf) {
+		case 0:
+			puts("cache line");
+			break;
+		case 1:
+			puts("page");
+			break;
+		case 2:
+			puts("bank");
+			break;
+		case 3:
+			puts("super-bank");
+			break;
+		default:
+			puts("invalid");
+			break;
+		}
+	} else {
+		puts("no");
+	}
+
+	puts(" interleaving");
+#endif
+
+#if (CONFIG_NUM_DDR_CONTROLLERS > 1) && defined(CONFIG_DDR_ECC)
+	puts(", ");
+#endif
+
+#if defined(CONFIG_DDR_ECC)
+	puts("ECC enabled");
+#endif
+
+	puts(")");
+}
+#endif /* CONFIG_DDR_ECC || CONFIG_NUM_DDR_CONTROLLERS > 1 */