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-rw-r--r--arch/powerpc/cpu/mpc83xx/Makefile20
-rw-r--r--arch/powerpc/cpu/mpc83xx/ecc.c18
-rw-r--r--arch/powerpc/cpu/mpc83xx/law.c61
-rw-r--r--arch/powerpc/cpu/mpc83xx/speed.c9
-rw-r--r--arch/powerpc/cpu/mpc85xx/ddr-gen2.c8
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c4
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/util.c9
7 files changed, 117 insertions, 12 deletions
diff --git a/arch/powerpc/cpu/mpc83xx/Makefile b/arch/powerpc/cpu/mpc83xx/Makefile
index 3979b6f..b353036 100644
--- a/arch/powerpc/cpu/mpc83xx/Makefile
+++ b/arch/powerpc/cpu/mpc83xx/Makefile
@@ -34,7 +34,6 @@ COBJS-y += cpu.o
COBJS-y += cpu_init.o
COBJS-y += speed.o
COBJS-y += interrupts.o
-COBJS-y += spd_sdram.o
COBJS-y += ecc.o
COBJS-$(CONFIG_QE) += qe_io.o
COBJS-$(CONFIG_FSL_SERDES) += serdes.o
@@ -42,6 +41,13 @@ COBJS-$(CONFIG_PCI) += pci.o
COBJS-$(CONFIG_PCIE) += pcie.o
COBJS-$(CONFIG_OF_LIBFDT) += fdt.o
+ifdef CONFIG_FSL_DDR2
+COBJS-$(CONFIG_MPC8349) += ddr-gen2.o
+else
+COBJS-y += spd_sdram.o
+endif
+COBJS-$(CONFIG_FSL_DDR2) += law.o
+
COBJS := $(COBJS-y)
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
@@ -52,6 +58,18 @@ all: $(obj).depend $(START) $(LIB)
$(LIB): $(OBJS)
$(call cmd_link_o_target, $(OBJS))
+$(obj)ddr-gen1.c:
+ @rm -f $(obj)ddr-gen1.c
+ ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/ddr-gen1.c $(obj)ddr-gen1.c
+
+$(obj)ddr-gen2.c:
+ @rm -f $(obj)ddr-gen2.c
+ ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/ddr-gen2.c $(obj)ddr-gen2.c
+
+$(obj)ddr-gen3.c:
+ @rm -f $(obj)ddr-gen3.c
+ ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/ddr-gen3.c $(obj)ddr-gen3.c
+
#########################################################################
# defines $(obj).depend target
diff --git a/arch/powerpc/cpu/mpc83xx/ecc.c b/arch/powerpc/cpu/mpc83xx/ecc.c
index f8eab96..717365c 100644
--- a/arch/powerpc/cpu/mpc83xx/ecc.c
+++ b/arch/powerpc/cpu/mpc83xx/ecc.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc.
*
* Dave Liu <daveliu@freescale.com>
* based on the contribution of Marian Balakowicz <m8@semihalf.com>
@@ -20,8 +20,12 @@
#if defined(CONFIG_DDR_ECC) && defined(CONFIG_DDR_ECC_CMD)
void ecc_print_status(void)
{
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- volatile ddr83xx_t *ddr = &immap->ddr;
+ immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+#ifdef CONFIG_FSL_DDR2
+ ccsr_ddr_t *ddr = &immap->ddr;
+#else
+ ddr83xx_t *ddr = &immap->ddr;
+#endif
printf("\nECC mode: %s\n\n",
(ddr->sdram_cfg & SDRAM_CFG_ECC_EN) ? "ON" : "OFF");
@@ -100,8 +104,12 @@ void ecc_print_status(void)
int do_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- volatile ddr83xx_t *ddr = &immap->ddr;
+ immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+#ifdef CONFIG_FSL_DDR2
+ ccsr_ddr_t *ddr = &immap->ddr;
+#else
+ ddr83xx_t *ddr = &immap->ddr;
+#endif
volatile u32 val;
u64 *addr;
u32 count;
diff --git a/arch/powerpc/cpu/mpc83xx/law.c b/arch/powerpc/cpu/mpc83xx/law.c
new file mode 100644
index 0000000..66c88b6
--- /dev/null
+++ b/arch/powerpc/cpu/mpc83xx/law.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * Version 2 as published by the Free Software Foundation.
+ */
+
+#include <common.h>
+#include <asm/fsl_law.h>
+#include <asm/mmu.h>
+
+int set_ddr_laws(u64 start, u64 sz, enum law_trgt_if id)
+{
+ immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
+ law83xx_t *ecm = &immap->sysconf.ddrlaw[0];
+ u64 start_align, law_sz;
+ int law_sz_enc;
+
+ if (start == 0)
+ start_align = 1ull << (LAW_SIZE_2G + 1);
+ else
+ start_align = 1ull << (ffs64(start) - 1);
+ law_sz = min(start_align, sz);
+ law_sz_enc = __ilog2_u64(law_sz) - 1;
+
+ /*
+ * Set up LAWBAR for all of DDR.
+ */
+ ecm->bar = start & 0xfffff000;
+ ecm->ar = (LAWAR_EN | (id << 20) | (LAWAR_SIZE & law_sz_enc));
+ debug("DDR:bar=0x%08x\n", ecm->bar);
+ debug("DDR:ar=0x%08x\n", ecm->ar);
+
+ /* recalculate size based on what was actually covered by the law */
+ law_sz = 1ull << __ilog2_u64(law_sz);
+
+ /* do we still have anything to map */
+ sz = sz - law_sz;
+ if (sz) {
+ start += law_sz;
+
+ start_align = 1ull << (ffs64(start) - 1);
+ law_sz = min(start_align, sz);
+ law_sz_enc = __ilog2_u64(law_sz) - 1;
+ ecm = &immap->sysconf.ddrlaw[1];
+ ecm->bar = start & 0xfffff000;
+ ecm->ar = (LAWAR_EN | (id << 20) | (LAWAR_SIZE & law_sz_enc));
+ debug("DDR:bar=0x%08x\n", ecm->bar);
+ debug("DDR:ar=0x%08x\n", ecm->ar);
+ } else {
+ return 0;
+ }
+
+ /* do we still have anything to map */
+ sz = sz - law_sz;
+ if (sz)
+ return 1;
+
+ return 0;
+}
diff --git a/arch/powerpc/cpu/mpc83xx/speed.c b/arch/powerpc/cpu/mpc83xx/speed.c
index 4542ab1..f78099d 100644
--- a/arch/powerpc/cpu/mpc83xx/speed.c
+++ b/arch/powerpc/cpu/mpc83xx/speed.c
@@ -507,6 +507,15 @@ ulong get_bus_freq(ulong dummy)
return gd->csb_clk;
}
+/********************************************
+ * get_ddr_freq
+ * return ddr bus freq in Hz
+ *********************************************/
+ulong get_ddr_freq(ulong dummy)
+{
+ return gd->mem_clk;
+}
+
int do_clocks (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
char buf[32];
diff --git a/arch/powerpc/cpu/mpc85xx/ddr-gen2.c b/arch/powerpc/cpu/mpc85xx/ddr-gen2.c
index 655f99c..10f3685 100644
--- a/arch/powerpc/cpu/mpc85xx/ddr-gen2.c
+++ b/arch/powerpc/cpu/mpc85xx/ddr-gen2.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2008 Freescale Semiconductor, Inc.
+ * Copyright 2008-2011 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -18,7 +18,11 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
unsigned int ctrl_num)
{
unsigned int i;
- volatile ccsr_ddr_t *ddr = (void *)CONFIG_SYS_MPC85xx_DDR_ADDR;
+#ifdef CONFIG_MPC83xx
+ ccsr_ddr_t *ddr = (void *)CONFIG_SYS_MPC83xx_DDR_ADDR;
+#else
+ ccsr_ddr_t *ddr = (void *)CONFIG_SYS_MPC85xx_DDR_ADDR;
+#endif
if (ctrl_num) {
printf("%s unexpected ctrl_num = %u\n", __FUNCTION__, ctrl_num);
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
index dd4fcea..15cd375 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
@@ -18,7 +18,9 @@
#include "ddr.h"
-#ifdef CONFIG_MPC85xx
+#ifdef CONFIG_MPC83xx
+ #define _DDR_ADDR CONFIG_SYS_MPC83xx_DDR_ADDR
+#elif defined(CONFIG_MPC85xx)
#define _DDR_ADDR CONFIG_SYS_MPC85xx_DDR_ADDR
#elif defined(CONFIG_MPC86xx)
#define _DDR_ADDR CONFIG_SYS_MPC86xx_DDR_ADDR
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/util.c b/arch/powerpc/cpu/mpc8xxx/ddr/util.c
index c644131..eb6a17a 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/util.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/util.c
@@ -129,10 +129,13 @@ fsl_ddr_set_lawbar(const common_timing_params_t *memctl_common_params,
void board_add_ram_info(int use_default)
{
-#if defined(CONFIG_MPC85xx)
- volatile ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
+#if defined(CONFIG_MPC83xx)
+ immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+ ccsr_ddr_t *ddr = (void *)&immap->ddr;
+#elif defined(CONFIG_MPC85xx)
+ ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
#elif defined(CONFIG_MPC86xx)
- volatile ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC86xx_DDR_ADDR);
+ ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC86xx_DDR_ADDR);
#endif
#if (CONFIG_NUM_DDR_CONTROLLERS > 1)
uint32_t cs0_config = in_be32(&ddr->cs0_config);
generated by cgit v1.1 at 2024-12-28 17:12:26 +0000