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-rw-r--r--board/freescale/mpc8360emds/mpc8360emds.c27
1 files changed, 26 insertions, 1 deletions
diff --git a/board/freescale/mpc8360emds/mpc8360emds.c b/board/freescale/mpc8360emds/mpc8360emds.c
index a0114f6c29..be76774fc5 100644
--- a/board/freescale/mpc8360emds/mpc8360emds.c
+++ b/board/freescale/mpc8360emds/mpc8360emds.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2006,2010 Freescale Semiconductor, Inc.
+ * Copyright (C) 2006,2010-2011 Freescale Semiconductor, Inc.
* Dave Liu <daveliu@freescale.com>
*
* See file CREDITS for list of people who contributed to this
@@ -24,6 +24,7 @@
#include <asm/mmu.h>
#include <asm/io.h>
#include <asm/fsl_enet.h>
+#include <asm/mmu.h>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#endif
@@ -139,9 +140,20 @@ int board_early_init_f(void)
int board_early_init_r(void)
{
+ gd_t *gd;
#ifdef CONFIG_PQ_MDS_PIB
pib_init();
#endif
+ /*
+ * BAT6 is used for SDRAM when DDR size is 512MB or larger than 256MB
+ * So re-setup PCI MEM space used BAT5 after relocated to DDR
+ */
+ gd = (gd_t *)(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
+ if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
+ write_bat(DBAT5, CONFIG_SYS_DBAT6U, CONFIG_SYS_DBAT6L);
+ write_bat(IBAT5, CONFIG_SYS_IBAT6U, CONFIG_SYS_IBAT6L);
+ }
+
return 0;
}
@@ -302,6 +314,19 @@ static int sdram_init(unsigned int base)
if (rem)
base = base - rem + sdram_size;
+ /*
+ * Setup BAT6 for SDRAM when DDR size is 512MB or larger than 256MB
+ * After relocated to DDR, reuse BAT5 for PCI MEM space
+ */
+ if (base > CONFIG_MAX_MEM_MAPPED) {
+ unsigned long batl = base | BATL_PP_10 | BATL_MEMCOHERENCE;
+ unsigned long batu = base | BATU_BL_64M | BATU_VS | BATU_VP;
+
+ /* Setup the BAT6 for SDRAM */
+ write_bat(DBAT6, batu, batl);
+ write_bat(IBAT6, batu, batl);
+ }
+
sdram_addr = (uint *)base;
/*
* Setup SDRAM Base and Option Registers
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