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davinci: omapl138_lcdk: configure ddr2 

The SPL is unable to load u-boot because the DDR2 is not configured.
Configure the DDR2.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Fabien Parent 2016-11-29 14:23:39 +01:00 committed by Tom Rini
parent cd895dcbe0
commit a5ab44f69b
2 changed files with 42 additions and 0 deletions
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1
arch/arm/mach-davinci/Kconfig
View File

@ -23,6 +23,7 @@ config TARGET_OMAPL138_LCDK
bool "OMAPL138 LCDK"
select SUPPORT_SPL
select SYS_DA850_PLL_INIT
select SYS_DA850_DDR_INIT
config TARGET_CALIMAIN
bool "Calimain board"

41
include/configs/omapl138_lcdk.h
View File

@ -78,6 +78,47 @@
#define CONFIG_SYS_DA850_PLL0_PLLM 24
#define CONFIG_SYS_DA850_PLL1_PLLM 21
/*
* DDR2 memory configuration
*/
#define CONFIG_SYS_DA850_DDR2_DDRPHYCR (DV_DDR_PHY_PWRDNEN | \
DV_DDR_PHY_EXT_STRBEN | \
(0x5 << DV_DDR_PHY_RD_LATENCY_SHIFT))
#define CONFIG_SYS_DA850_DDR2_SDBCR ( \
(1 << DV_DDR_SDCR_DDR2EN_SHIFT) | \
(1 << DV_DDR_SDCR_DDREN_SHIFT) | \
(1 << DV_DDR_SDCR_SDRAMEN_SHIFT) | \
(1 << DV_DDR_SDCR_BUS_WIDTH_SHIFT) | \
(4 << DV_DDR_SDCR_CL_SHIFT) | \
(3 << DV_DDR_SDCR_IBANK_SHIFT) | \
(2 << DV_DDR_SDCR_PAGESIZE_SHIFT))
/* SDBCR2 is only used if IBANK_POS bit in SDBCR is set */
#define CONFIG_SYS_DA850_DDR2_SDBCR2 0
#define CONFIG_SYS_DA850_DDR2_SDTIMR ( \
(19 << DV_DDR_SDTMR1_RFC_SHIFT) | \
(1 << DV_DDR_SDTMR1_RP_SHIFT) | \
(1 << DV_DDR_SDTMR1_RCD_SHIFT) | \
(2 << DV_DDR_SDTMR1_WR_SHIFT) | \
(6 << DV_DDR_SDTMR1_RAS_SHIFT) | \
(8 << DV_DDR_SDTMR1_RC_SHIFT) | \
(1 << DV_DDR_SDTMR1_RRD_SHIFT) | \
(1 << DV_DDR_SDTMR1_WTR_SHIFT))
#define CONFIG_SYS_DA850_DDR2_SDTIMR2 ( \
(7 << DV_DDR_SDTMR2_RASMAX_SHIFT) | \
(2 << DV_DDR_SDTMR2_XP_SHIFT) | \
(0 << DV_DDR_SDTMR2_ODT_SHIFT) | \
(10 << DV_DDR_SDTMR2_XSNR_SHIFT) | \
(199 << DV_DDR_SDTMR2_XSRD_SHIFT) | \
(1 << DV_DDR_SDTMR2_RTP_SHIFT) | \
(2 << DV_DDR_SDTMR2_CKE_SHIFT))
#define CONFIG_SYS_DA850_DDR2_SDRCR 0x00000492
#define CONFIG_SYS_DA850_DDR2_PBBPR 0x30
/*
* Serial Driver info
*/