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board/t2080qds: some update for ddr 

- 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>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Shengzhou Liu 2014-05-20 12:08:20 +08:00 committed by York Sun
parent 94752f60eb
commit 40483e1e1d
2 changed files with 17 additions and 16 deletions
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28
board/freescale/t208xqds/ddr.h
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@ -25,21 +25,21 @@ struct board_specific_parameters {
static const struct board_specific_parameters udimm0[] = { static const struct board_specific_parameters udimm0[] = {
/* /*
* memory controller 0 * memory controller 0
* num| hi| rank| clk| wrlvl | wrlvl | wrlvl | * num| hi| rank| clk| wrlvl | wrlvl | wrlvl |
* ranks| mhz| GB |adjst| start | ctl2 | ctl3 | * ranks| mhz| GB |adjst| start | ctl2 | ctl3 |
*/ */
{2, 1200, 2, 5, 7, 0x0808090a, 0x0b0c0c0a}, {2, 1200, 0, 5, 7, 0x0808090a, 0x0b0c0c0a},
{2, 1500, 2, 5, 6, 0x07070809, 0x0a0b0b09}, {2, 1500, 0, 5, 6, 0x07070809, 0x0a0b0b09},
{2, 1600, 2, 5, 8, 0x090b0b0d, 0x0d0e0f0b}, {2, 1600, 0, 5, 8, 0x090b0b0d, 0x0d0e0f0b},
{2, 1700, 2, 4, 7, 0x080a0a0c, 0x0c0d0e0a}, {2, 1700, 0, 4, 7, 0x080a0a0c, 0x0c0d0e0a},
{2, 1900, 2, 5, 9, 0x0a0b0c0e, 0x0f10120c}, {2, 1900, 0, 5, 9, 0x0a0b0c0e, 0x0f10120c},
{2, 2140, 2, 4, 8, 0x090a0b0d, 0x0e0f110b}, {2, 2140, 0, 4, 8, 0x090a0b0d, 0x0e0f110b},
{1, 1200, 2, 5, 7, 0x0808090a, 0x0b0c0c0a}, {1, 1200, 0, 5, 7, 0x0808090a, 0x0b0c0c0a},
{1, 1500, 2, 5, 6, 0x07070809, 0x0a0b0b09}, {1, 1500, 0, 5, 6, 0x07070809, 0x0a0b0b09},
{1, 1600, 2, 5, 8, 0x090b0b0d, 0x0d0e0f0b}, {1, 1600, 0, 5, 8, 0x090b0b0d, 0x0d0e0f0b},
{1, 1700, 2, 4, 7, 0x080a0a0c, 0x0c0d0e0a}, {1, 1700, 0, 4, 7, 0x080a0a0c, 0x0c0d0e0a},
{1, 1900, 2, 5, 9, 0x0a0b0c0e, 0x0f10120c}, {1, 1900, 0, 5, 9, 0x0a0b0c0e, 0x0f10120c},
{1, 2140, 2, 4, 8, 0x090a0b0d, 0x0e0f110b}, {1, 2140, 0, 4, 8, 0x090a0b0d, 0x0e0f110b},
{} {}
}; };

5
include/configs/T208xQDS.h
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@ -227,8 +227,9 @@ unsigned long get_board_ddr_clk(void);
#define CONFIG_VERY_BIG_RAM #define CONFIG_VERY_BIG_RAM
#define CONFIG_SYS_DDR_SDRAM_BASE 0x00000000 #define CONFIG_SYS_DDR_SDRAM_BASE 0x00000000
#define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_DDR_SDRAM_BASE #define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_DDR_SDRAM_BASE
#define CONFIG_DIMM_SLOTS_PER_CTLR 1 #define CONFIG_DIMM_SLOTS_PER_CTLR 2
#define CONFIG_CHIP_SELECTS_PER_CTRL (4 * CONFIG_DIMM_SLOTS_PER_CTLR) #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_DDR_SPD
#define CONFIG_SYS_FSL_DDR3 #define CONFIG_SYS_FSL_DDR3
#undef CONFIG_FSL_DDR_INTERACTIVE #undef CONFIG_FSL_DDR_INTERACTIVE