[U-Boot] [PATCH 10/12] TI:omap5: Clarify comments about SPL and DDR timings in common config
Tom Rini
trini at ti.com
Tue Aug 20 14:53:52 CEST 2013
Signed-off-by: Tom Rini <trini at ti.com>
---
include/configs/omap5_common.h | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/include/configs/omap5_common.h b/include/configs/omap5_common.h
index 0345c57..98ba559 100644
--- a/include/configs/omap5_common.h
+++ b/include/configs/omap5_common.h
@@ -28,9 +28,12 @@
/* Use General purpose timer 1 */
#define CONFIG_SYS_TIMERBASE GPT2_BASE
+/*
+ * For the DDR timing information we can either dynamically determine
+ * the timings to use or use pre-determined timings (based on using the
+ * dynamic method. Default to the static timing infomation.
+ */
#define CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
-
-/* Defines for SDRAM init */
#ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
#define CONFIG_SYS_AUTOMATIC_SDRAM_DETECTION
#define CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
@@ -127,7 +130,13 @@
"fi"
-/* Defines for SPL */
+/*
+ * SPL related defines. The Public RAM memory map the ROM defines the
+ * area between 0x40300000 and 0x4031E000 as a download area for OMAP5
+ * (dra7xx is larger, but we do not need to be larger at this time). We
+ * set CONFIG_SPL_DISPLAY_PRINT to have omap_rev_string() called and
+ * print some information.
+ */
#define CONFIG_SPL_TEXT_BASE 0x40300000
#define CONFIG_SPL_MAX_SIZE (0x4031E000 - CONFIG_SPL_TEXT_BASE)
#define CONFIG_SPL_DISPLAY_PRINT
--
1.7.9.5
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