[U-Boot] [PATCH] board/t2080qds: some update for ddr

Shengzhou Liu
2014-05-20T04:08:20Z

- add support for 2nd DIMM slot.
- make it work with DIMM which is less than 2GB.

Verified with two 2GB UDIMM MT9JSF25672AZ-2G1K1 in two DIMM slots.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
---
board/freescale/t208xqds/ddr.h | 28 ++++++++++++++--------------
include/configs/T208xQDS.h | 5 +++--
2 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/board/freescale/t208xqds/ddr.h b/board/freescale/t208xqds/ddr.h
index 9fc879a..ed52fef6 100644
--- a/board/freescale/t208xqds/ddr.h
+++ b/board/freescale/t208xqds/ddr.h
@@ -25,21 +25,21 @@ struct board_specific_parameters {
static const struct board_specific_parameters udimm0[] = {
/*
* memory controller 0
- * num| hi| rank| clk| wrlvl | wrlvl | wrlvl |
- * ranks| mhz| GB |adjst| start | ctl2 | ctl3 |
+ * num| hi| rank| clk| wrlvl | wrlvl | wrlvl |
+ * ranks| mhz| GB |adjst| start | ctl2 | ctl3 |
*/
- {2, 1200, 2, 5, 7, 0x0808090a, 0x0b0c0c0a},
- {2, 1500, 2, 5, 6, 0x07070809, 0x0a0b0b09},
- {2, 1600, 2, 5, 8, 0x090b0b0d, 0x0d0e0f0b},
- {2, 1700, 2, 4, 7, 0x080a0a0c, 0x0c0d0e0a},
- {2, 1900, 2, 5, 9, 0x0a0b0c0e, 0x0f10120c},
- {2, 2140, 2, 4, 8, 0x090a0b0d, 0x0e0f110b},
- {1, 1200, 2, 5, 7, 0x0808090a, 0x0b0c0c0a},
- {1, 1500, 2, 5, 6, 0x07070809, 0x0a0b0b09},
- {1, 1600, 2, 5, 8, 0x090b0b0d, 0x0d0e0f0b},
- {1, 1700, 2, 4, 7, 0x080a0a0c, 0x0c0d0e0a},
- {1, 1900, 2, 5, 9, 0x0a0b0c0e, 0x0f10120c},
- {1, 2140, 2, 4, 8, 0x090a0b0d, 0x0e0f110b},
+ {2, 1200, 0, 5, 7, 0x0808090a, 0x0b0c0c0a},
+ {2, 1500, 0, 5, 6, 0x07070809, 0x0a0b0b09},
+ {2, 1600, 0, 5, 8, 0x090b0b0d, 0x0d0e0f0b},
+ {2, 1700, 0, 4, 7, 0x080a0a0c, 0x0c0d0e0a},
+ {2, 1900, 0, 5, 9, 0x0a0b0c0e, 0x0f10120c},
+ {2, 2140, 0, 4, 8, 0x090a0b0d, 0x0e0f110b},
+ {1, 1200, 0, 5, 7, 0x0808090a, 0x0b0c0c0a},
+ {1, 1500, 0, 5, 6, 0x07070809, 0x0a0b0b09},
+ {1, 1600, 0, 5, 8, 0x090b0b0d, 0x0d0e0f0b},
+ {1, 1700, 0, 4, 7, 0x080a0a0c, 0x0c0d0e0a},
+ {1, 1900, 0, 5, 9, 0x0a0b0c0e, 0x0f10120c},
+ {1, 2140, 0, 4, 8, 0x090a0b0d, 0x0e0f110b},
{}
};

diff --git a/include/configs/T208xQDS.h b/include/configs/T208xQDS.h
index a0765c9..0332648 100644
--- a/include/configs/T208xQDS.h
+++ b/include/configs/T208xQDS.h
@@ -228,8 +228,9 @@ unsigned long get_board_ddr_clk(void);
#define CONFIG_VERY_BIG_RAM
#define CONFIG_SYS_DDR_SDRAM_BASE 0x00000000
#define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_DDR_SDRAM_BASE
-#define CONFIG_DIMM_SLOTS_PER_CTLR 1
-#define CONFIG_CHIP_SELECTS_PER_CTRL (4 * CONFIG_DIMM_SLOTS_PER_CTLR)
+#define CONFIG_DIMM_SLOTS_PER_CTLR 2
+#define CONFIG_CHIP_SELECTS_PER_CTRL (2 * CONFIG_DIMM_SLOTS_PER_CTLR)
+#define CONFIG_FSL_DDR_FIRST_SLOT_QUAD_CAPABLE
#define CONFIG_DDR_SPD
#define CONFIG_SYS_FSL_DDR3
#undef CONFIG_FSL_DDR_INTERACTIVE
--
1.8.0