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| author | Michael Barkowski <michael.barkowski@freescale.com> | 2008-03-20 13:15:28 -0400 |
|---|---|---|
| committer | Kim Phillips <kim.phillips@freescale.com> | 2008-03-25 19:16:43 -0500 |
| commit | fc549c871f43933396a5b3e21d897023d4b31b8d (patch) | |
| tree | dd8ac6ee60d5d805a6a96648e75e2f42f2563b99 | |
| parent | 89c7784ed90ba50301eec521144f95111e472906 (diff) | |
| download | u-boot-imx-fc549c871f43933396a5b3e21d897023d4b31b8d.zip u-boot-imx-fc549c871f43933396a5b3e21d897023d4b31b8d.tar.gz u-boot-imx-fc549c871f43933396a5b3e21d897023d4b31b8d.tar.bz2 | |
mpc8323erdb: use readable DDR config macros
Use available shift/mask macros to define DDR configuration.
Signed-off-by: Michael Barkowski <michael.barkowski@freescale.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
| -rw-r--r-- | include/configs/MPC8323ERDB.h | 50 |
1 files changed, 42 insertions, 8 deletions
diff --git a/include/configs/MPC8323ERDB.h b/include/configs/MPC8323ERDB.h index bf5ef4b..53322d6 100644 --- a/include/configs/MPC8323ERDB.h +++ b/include/configs/MPC8323ERDB.h @@ -82,17 +82,51 @@ /* Manually set up DDR parameters */ #define CFG_DDR_SIZE 64 /* MB */ -#define CFG_DDR_CS0_CONFIG 0x80840101 -#define CFG_DDR_TIMING_0 0x00220802 -#define CFG_DDR_TIMING_1 0x3935d322 -#define CFG_DDR_TIMING_2 0x0f9048ca +#define CFG_DDR_CS0_CONFIG ( CSCONFIG_EN \ + | CSCONFIG_AP \ + | 0x00040000 /* TODO */ \ + | CSCONFIG_ROW_BIT_13 | CSCONFIG_COL_BIT_9 ) + /* 0x80840101 */ +#define CFG_DDR_TIMING_0 ( ( 0 << TIMING_CFG0_RWT_SHIFT ) \ + | ( 0 << TIMING_CFG0_WRT_SHIFT ) \ + | ( 0 << TIMING_CFG0_RRT_SHIFT ) \ + | ( 0 << TIMING_CFG0_WWT_SHIFT ) \ + | ( 2 << TIMING_CFG0_ACT_PD_EXIT_SHIFT ) \ + | ( 2 << TIMING_CFG0_PRE_PD_EXIT_SHIFT ) \ + | ( 8 << TIMING_CFG0_ODT_PD_EXIT_SHIFT ) \ + | ( 2 << TIMING_CFG0_MRS_CYC_SHIFT ) ) + /* 0x00220802 */ +#define CFG_DDR_TIMING_1 ( ( 3 << TIMING_CFG1_PRETOACT_SHIFT ) \ + | ( 9 << TIMING_CFG1_ACTTOPRE_SHIFT ) \ + | ( 3 << TIMING_CFG1_ACTTORW_SHIFT ) \ + | ( 5 << TIMING_CFG1_CASLAT_SHIFT ) \ + | (13 << TIMING_CFG1_REFREC_SHIFT ) \ + | ( 3 << TIMING_CFG1_WRREC_SHIFT ) \ + | ( 2 << TIMING_CFG1_ACTTOACT_SHIFT ) \ + | ( 2 << TIMING_CFG1_WRTORD_SHIFT ) ) + /* 0x3935d322 */ +#define CFG_DDR_TIMING_2 ( (31 << TIMING_CFG2_CPO_SHIFT ) \ + | ( 2 << TIMING_CFG2_WR_LAT_DELAY_SHIFT ) \ + | ( 2 << TIMING_CFG2_RD_TO_PRE_SHIFT ) \ + | ( 2 << TIMING_CFG2_WR_DATA_DELAY_SHIFT ) \ + | ( 3 << TIMING_CFG2_CKE_PLS_SHIFT ) \ + | (10 << TIMING_CFG2_FOUR_ACT_SHIFT) ) + /* 0x0f9048ca */ #define CFG_DDR_TIMING_3 0x00000000 -#define CFG_DDR_CLK_CNTL 0x02000000 -#define CFG_DDR_MODE 0x44400232 +#define CFG_DDR_CLK_CNTL DDR_SDRAM_CLK_CNTL_CLK_ADJUST_05 + /* 0x02000000 */ +#define CFG_DDR_MODE ( ( 0x4440 << SDRAM_MODE_ESD_SHIFT ) \ + | ( 0x0232 << SDRAM_MODE_SD_SHIFT ) ) + /* 0x44400232 */ #define CFG_DDR_MODE2 0x8000c000 -#define CFG_DDR_INTERVAL 0x03200064 +#define CFG_DDR_INTERVAL ( ( 800 << SDRAM_INTERVAL_REFINT_SHIFT ) \ + | ( 100 << SDRAM_INTERVAL_BSTOPRE_SHIFT ) ) + /* 0x03200064 */ #define CFG_DDR_CS0_BNDS 0x00000003 -#define CFG_DDR_SDRAM_CFG 0x43080000 +#define CFG_DDR_SDRAM_CFG ( SDRAM_CFG_SREN \ + | SDRAM_CFG_SDRAM_TYPE_DDR2 \ + | SDRAM_CFG_32_BE ) + /* 0x43080000 */ #define CFG_DDR_SDRAM_CFG2 0x00401000 #endif |