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| author | Aneesh V <aneesh@ti.com> | 2011-07-21 09:10:12 -0400 |
|---|---|---|
| committer | U-Boot <uboot@aari01-12.(none)> | 2011-08-03 12:49:19 +0200 |
| commit | 095aea293b70114dda0d958788a8acc15e3cd665 (patch) | |
| tree | 7b8aac0828ca5a801aac25bb0e2c7ac8c3626189 /arch/arm/include/asm/arch-omap4/emif.h | |
| parent | 2ae610f030c376323515321280352b3fe6278a0f (diff) | |
| download | talos-obmc-uboot-095aea293b70114dda0d958788a8acc15e3cd665.tar.gz talos-obmc-uboot-095aea293b70114dda0d958788a8acc15e3cd665.zip | |
omap4: calculate EMIF register values
Calculate EMIF register values based on AC timing parameters
from the SDRAM datasheet and the DDR frequency rather than
using the hard-coded values.
For a new board the user doen't have to go through the tedious
process of calculating the register values. Instead, just
provide the AC timings from the device data sheet as input
and the driver will automatically calculate the register values.
Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'arch/arm/include/asm/arch-omap4/emif.h')
| -rw-r--r-- | arch/arm/include/asm/arch-omap4/emif.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-omap4/emif.h b/arch/arm/include/asm/arch-omap4/emif.h index 09e9baa193..a167508405 100644 --- a/arch/arm/include/asm/arch-omap4/emif.h +++ b/arch/arm/include/asm/arch-omap4/emif.h @@ -1019,7 +1019,16 @@ struct emif_regs { #define emif_assert(c) ({ if (0) hang(); }) #endif +#ifdef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs); void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs); +#else +void emif_get_device_details(u32 emif_nr, + struct lpddr2_device_details *cs0_device_details, + struct lpddr2_device_details *cs1_device_details); +void emif_get_device_timings(u32 emif_nr, + const struct lpddr2_device_timings **cs0_device_timings, + const struct lpddr2_device_timings **cs1_device_timings); +#endif #endif |
