[U-Boot] [PATCH 85xx-next 6/8] sbc8548: relocate fixed ddr init code to ddr.c file

Paul Gortmaker paul.gortmaker at windriver.com
Sat Dec 31 05:53:11 CET 2011


Nothing to see here, just a relocation of the fixed ddr init
sequence to live in the actual ddr.c file itself.

Signed-off-by: Paul Gortmaker <paul.gortmaker at windriver.com>
---
 board/sbc8548/ddr.c       |   48 +++++++++++++++++++++++++++++++++++++++++++++
 board/sbc8548/sbc8548.c   |   44 -----------------------------------------
 include/configs/sbc8548.h |    1 +
 3 files changed, 49 insertions(+), 44 deletions(-)

diff --git a/board/sbc8548/ddr.c b/board/sbc8548/ddr.c
index 996ffe2..0d9a1ba 100644
--- a/board/sbc8548/ddr.c
+++ b/board/sbc8548/ddr.c
@@ -54,3 +54,51 @@ void fsl_ddr_board_options(memctl_options_t *popts,
 	 */
 	popts->half_strength_driver_enable = 0;
 }
+
+#if !defined(CONFIG_SPD_EEPROM)
+/*
+ *  fixed_sdram init -- doesn't use serial presence detect.
+ *  Assumes 256MB DDR2 SDRAM SODIMM, without ECC, running at DDR400 speed.
+ */
+phys_size_t fixed_sdram(void)
+{
+	volatile ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
+
+	out_be32(&ddr->cs0_bnds,	0x0000007f);
+	out_be32(&ddr->cs1_bnds,	0x008000ff);
+	out_be32(&ddr->cs2_bnds,	0x00000000);
+	out_be32(&ddr->cs3_bnds,	0x00000000);
+
+	out_be32(&ddr->cs0_config,	0x80010101);
+	out_be32(&ddr->cs1_config,	0x80010101);
+	out_be32(&ddr->cs2_config,	0x00000000);
+	out_be32(&ddr->cs3_config,	0x00000000);
+
+	out_be32(&ddr->timing_cfg_3,	0x00000000);
+	out_be32(&ddr->timing_cfg_0,	0x00220802);
+	out_be32(&ddr->timing_cfg_1,	0x38377322);
+	out_be32(&ddr->timing_cfg_2,	0x0fa044C7);
+
+	out_be32(&ddr->sdram_cfg,	0x4300C000);
+	out_be32(&ddr->sdram_cfg_2,	0x24401000);
+
+	out_be32(&ddr->sdram_mode,	0x23C00542);
+	out_be32(&ddr->sdram_mode_2,	0x00000000);
+
+	out_be32(&ddr->sdram_interval,	0x05080100);
+	out_be32(&ddr->sdram_md_cntl,	0x00000000);
+	out_be32(&ddr->sdram_data_init,	0x00000000);
+	out_be32(&ddr->sdram_clk_cntl,	0x03800000);
+	asm("sync;isync;msync");
+	udelay(500);
+
+	#ifdef CONFIG_DDR_ECC
+	  /* Enable ECC checking */
+	  out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL | 0x20000000);
+	#else
+	  out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL);
+	#endif
+
+	return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
+}
+#endif
diff --git a/board/sbc8548/sbc8548.c b/board/sbc8548/sbc8548.c
index 96554b2..d1ef3be 100644
--- a/board/sbc8548/sbc8548.c
+++ b/board/sbc8548/sbc8548.c
@@ -219,50 +219,6 @@ testdram(void)
 }
 #endif
 
-#if !defined(CONFIG_SPD_EEPROM)
-#define CONFIG_SYS_DDR_CONTROL 0xc300c000
-/*************************************************************************
- *  fixed_sdram init -- doesn't use serial presence detect.
- *  assumes 256MB DDR2 SDRAM SODIMM, without ECC, running at DDR400 speed.
- ************************************************************************/
-phys_size_t fixed_sdram(void)
-{
-	volatile ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
-
-	out_be32(&ddr->cs0_bnds, 0x0000007f);
-	out_be32(&ddr->cs1_bnds, 0x008000ff);
-	out_be32(&ddr->cs2_bnds, 0x00000000);
-	out_be32(&ddr->cs3_bnds, 0x00000000);
-	out_be32(&ddr->cs0_config, 0x80010101);
-	out_be32(&ddr->cs1_config, 0x80010101);
-	out_be32(&ddr->cs2_config, 0x00000000);
-	out_be32(&ddr->cs3_config, 0x00000000);
-	out_be32(&ddr->timing_cfg_3, 0x00000000);
-	out_be32(&ddr->timing_cfg_0, 0x00220802);
-	out_be32(&ddr->timing_cfg_1, 0x38377322);
-	out_be32(&ddr->timing_cfg_2, 0x0fa044C7);
-	out_be32(&ddr->sdram_cfg, 0x4300C000);
-	out_be32(&ddr->sdram_cfg_2, 0x24401000);
-	out_be32(&ddr->sdram_mode, 0x23C00542);
-	out_be32(&ddr->sdram_mode_2, 0x00000000);
-	out_be32(&ddr->sdram_interval, 0x05080100);
-	out_be32(&ddr->sdram_md_cntl, 0x00000000);
-	out_be32(&ddr->sdram_data_init, 0x00000000);
-	out_be32(&ddr->sdram_clk_cntl, 0x03800000);
-	asm("sync;isync;msync");
-	udelay(500);
-
-	#if defined (CONFIG_DDR_ECC)
-	  /* Enable ECC checking */
-	  out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL | 0x20000000);
-	#else
-	  out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL);
-	#endif
-
-	return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
-}
-#endif
-
 #ifdef CONFIG_PCI1
 static struct pci_controller pci1_hose;
 #endif	/* CONFIG_PCI1 */
diff --git a/include/configs/sbc8548.h b/include/configs/sbc8548.h
index 44c7526..09245b5 100644
--- a/include/configs/sbc8548.h
+++ b/include/configs/sbc8548.h
@@ -148,6 +148,7 @@
  */
 #ifndef CONFIG_SPD_EEPROM
 	#define CONFIG_SYS_SDRAM_SIZE	256		/* DDR is 256MB */
+	#define CONFIG_SYS_DDR_CONTROL	0xc300c000
 #endif
 
 #undef CONFIG_CLOCKS_IN_MHZ
-- 
1.7.4.4



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