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authorPeter Tyser <ptyser@xes-inc.com>2009-06-30 17:15:48 -0500
committerKumar Gala <galak@kernel.crashing.org>2009-07-01 23:12:01 -0500
commit0d595f76bc9c7c8dff5bd31dffed87a840a03c56 (patch)
treefe9fd5c24c569893155ae2c52257c6402351af9b
parent79f4333ceb059049b3ee560167d6cbaec493695f (diff)
fsl_dma: Break out common memory initialization function
Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
-rw-r--r--board/mpc8540eval/mpc8540eval.c32
-rw-r--r--board/sbc8560/sbc8560.c32
-rw-r--r--cpu/mpc85xx/ddr-gen1.c26
-rw-r--r--drivers/dma/fsl_dma.c32
-rw-r--r--include/asm-ppc/fsl_dma.h3
5 files changed, 38 insertions, 87 deletions
diff --git a/board/mpc8540eval/mpc8540eval.c b/board/mpc8540eval/mpc8540eval.c
index 04a7470c42..7c272334aa 100644
--- a/board/mpc8540eval/mpc8540eval.c
+++ b/board/mpc8540eval/mpc8540eval.c
@@ -137,39 +137,9 @@ phys_size_t initdram (int board_type)
{
/* Initialize all of memory for ECC, then
* enable errors */
- uint *p = 0;
- uint i = 0;
volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
- for (*p = 0; p < (uint *)(8 * 1024); p++) {
- if (((unsigned int)p & 0x1f) == 0) { dcbz(p); }
- *p = (unsigned int)0xdeadbeef;
- if (((unsigned int)p & 0x1c) == 0x1c) { dcbf(p); }
- }
-
- /* 8K */
- dmacpy(0x2000, 0, 0x2000);
- /* 16K */
- dmacpy(0x4000, 0, 0x4000);
- /* 32K */
- dmacpy(0x8000, 0, 0x8000);
- /* 64K */
- dmacpy(0x10000, 0, 0x10000);
- /* 128k */
- dmacpy(0x20000, 0, 0x20000);
- /* 256k */
- dmacpy(0x40000, 0, 0x40000);
- /* 512k */
- dmacpy(0x80000, 0, 0x80000);
- /* 1M */
- dmacpy(0x100000, 0, 0x100000);
- /* 2M */
- dmacpy(0x200000, 0, 0x200000);
- /* 4M */
- dmacpy(0x400000, 0, 0x400000);
-
- for (i = 1; i < dram_size / 0x800000; i++)
- dmacpy(0x800000 * i, 0, 0x800000);
+ dma_meminit(CONFIG_MEM_INIT_VALUE, dram_size);
/* Enable errors for ECC */
ddr->err_disable = 0x00000000;
diff --git a/board/sbc8560/sbc8560.c b/board/sbc8560/sbc8560.c
index 17f900bd1a..c40b5e38dd 100644
--- a/board/sbc8560/sbc8560.c
+++ b/board/sbc8560/sbc8560.c
@@ -338,39 +338,9 @@ phys_size_t initdram (int board_type)
{
/* Initialize all of memory for ECC, then
* enable errors */
- uint *p = 0;
- uint i = 0;
volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
- for (*p = 0; p < (uint *)(8 * 1024); p++) {
- if (((unsigned int)p & 0x1f) == 0) { dcbz(p); }
- *p = (unsigned int)0xdeadbeef;
- if (((unsigned int)p & 0x1c) == 0x1c) { dcbf(p); }
- }
-
- /* 8K */
- dmacpy(0x2000, 0, 0x2000);
- /* 16K */
- dmacpy(0x4000, 0, 0x4000);
- /* 32K */
- dmacpy(0x8000, 0, 0x8000);
- /* 64K */
- dmacpy(0x10000, 0, 0x10000);
- /* 128k */
- dmacpy(0x20000, 0, 0x20000);
- /* 256k */
- dmacpy(0x40000, 0, 0x40000);
- /* 512k */
- dmacpy(0x80000, 0, 0x80000);
- /* 1M */
- dmacpy(0x100000, 0, 0x100000);
- /* 2M */
- dmacpy(0x200000, 0, 0x200000);
- /* 4M */
- dmacpy(0x400000, 0, 0x400000);
-
- for (i = 1; i < dram_size / 0x800000; i++)
- dmacpy(0x800000 * i, 0, 0x800000);
+ dma_meminit(CONFIG_MEM_INIT_VALUE, dram_size);
/* Enable errors for ECC */
ddr->err_disable = 0x00000000;
diff --git a/cpu/mpc85xx/ddr-gen1.c b/cpu/mpc85xx/ddr-gen1.c
index 3bf872b6fb..54437dd0cb 100644
--- a/cpu/mpc85xx/ddr-gen1.c
+++ b/cpu/mpc85xx/ddr-gen1.c
@@ -73,33 +73,9 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
void
ddr_enable_ecc(unsigned int dram_size)
{
- uint *p = 0;
- uint i = 0;
volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
- for (*p = 0; p < (uint *)(8 * 1024); p++) {
- if (((unsigned int)p & 0x1f) == 0) {
- ppcDcbz((unsigned long) p);
- }
- *p = (unsigned int)CONFIG_MEM_INIT_VALUE;
- if (((unsigned int)p & 0x1c) == 0x1c) {
- ppcDcbf((unsigned long) p);
- }
- }
-
- dmacpy(0x002000, 0, 0x2000); /* 8K */
- dmacpy(0x004000, 0, 0x4000); /* 16K */
- dmacpy(0x008000, 0, 0x8000); /* 32K */
- dmacpy(0x010000, 0, 0x10000); /* 64K */
- dmacpy(0x020000, 0, 0x20000); /* 128K */
- dmacpy(0x040000, 0, 0x40000); /* 256K */
- dmacpy(0x080000, 0, 0x80000); /* 512K */
- dmacpy(0x100000, 0, 0x100000); /* 1M */
- dmacpy(0x200000, 0, 0x200000); /* 2M */
- dmacpy(0x400000, 0, 0x400000); /* 4M */
-
- for (i = 1; i < dram_size / 0x800000; i++)
- dmacpy(0x800000 *i, 0, 0x800000);
+ dma_meminit(CONFIG_MEM_INIT_VALUE, dram_size);
/*
* Enable errors for ECC.
diff --git a/drivers/dma/fsl_dma.c b/drivers/dma/fsl_dma.c
index 49ea8f105d..e103c910fd 100644
--- a/drivers/dma/fsl_dma.c
+++ b/drivers/dma/fsl_dma.c
@@ -110,3 +110,35 @@ int dmacpy(phys_addr_t dest, phys_addr_t src, phys_size_t count) {
return 0;
}
+
+#if (defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
+void dma_meminit(uint val, uint size)
+{
+ uint *p = 0;
+ uint i = 0;
+
+ for (*p = 0; p < (uint *)(8 * 1024); p++) {
+ if (((uint)p & 0x1f) == 0)
+ ppcDcbz((ulong)p);
+
+ *p = (uint)CONFIG_MEM_INIT_VALUE;
+
+ if (((uint)p & 0x1c) == 0x1c)
+ ppcDcbf((ulong)p);
+ }
+
+ dmacpy(0x002000, 0, 0x002000); /* 8K */
+ dmacpy(0x004000, 0, 0x004000); /* 16K */
+ dmacpy(0x008000, 0, 0x008000); /* 32K */
+ dmacpy(0x010000, 0, 0x010000); /* 64K */
+ dmacpy(0x020000, 0, 0x020000); /* 128K */
+ dmacpy(0x040000, 0, 0x040000); /* 256K */
+ dmacpy(0x080000, 0, 0x080000); /* 512K */
+ dmacpy(0x100000, 0, 0x100000); /* 1M */
+ dmacpy(0x200000, 0, 0x200000); /* 2M */
+ dmacpy(0x400000, 0, 0x400000); /* 4M */
+
+ for (i = 1; i < size / 0x800000; i++)
+ dmacpy((0x800000 * i), 0, 0x800000);
+}
+#endif
diff --git a/include/asm-ppc/fsl_dma.h b/include/asm-ppc/fsl_dma.h
index 978283a8c4..043669e433 100644
--- a/include/asm-ppc/fsl_dma.h
+++ b/include/asm-ppc/fsl_dma.h
@@ -97,6 +97,9 @@ typedef struct fsl_dma {
#ifdef CONFIG_FSL_DMA
void dma_init(void);
int dmacpy(phys_addr_t dest, phys_addr_t src, phys_size_t n);
+#if (defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
+void dma_meminit(uint val, uint size);
+#endif
#endif
#endif /* _ASM_DMA_H_ */