On 03/16/2016 09:59 AM, Wills Wang wrote:
This patch enable work for ar933x SOC.
Signed-off-by: Wills Wang wills.wang@live.com
Changes in v8:
- Fix multi-line comment for ar933x
Changes in v7:
- Use CKSEGxADDR instead of KSEGxADDR for ar933x
Changes in v6:
- Remove board.c
- Define magic value in ddr.c
Changes in v5:
- Add ddr.c for ar933x
Changes in v4:
- Add clk.c for ar933x
Changes in v3: None Changes in v2: None
[...]
+#define DDR_REFRESH_EN (1 << 14) +#define DDR_REFRESH_M 0x3ff +#define DDR_REFRESH(x) ((x) & 0x3ff) +#define DDR_REFRESH_VAL_25M (DDR_REFRESH_EN | DDR_REFRESH(390)) +#define DDR_REFRESH_VAL_40M (DDR_REFRESH_EN | DDR_REFRESH(624))
+#define DDR_TRAS_S 0 +#define DDR_TRAS_M 0x1f +#define DDR_TRAS(x) ((x) << DDR_TRAS_S) +#define DDR_TRCD_M 0xf +#define DDR_TRCD_S 5 +#define DDR_TRCD(x) ((x) << DDR_TRCD_S) +#define DDR_TRP_M 0xf +#define DDR_TRP_S 9 +#define DDR_TRP(x) ((x) << DDR_TRP_S) +#define DDR_TRRD_M 0xf +#define DDR_TRRD_S 13 +#define DDR_TRRD(x) ((x) << DDR_TRRD_S) +#define DDR_TRFC_M 0x7f +#define DDR_TRFC_S 17 +#define DDR_TRFC(x) ((x) << DDR_TRFC_S) +#define DDR_TMRD_M 0xf +#define DDR_TMRD_S 23 +#define DDR_TMRD(x) ((x) << DDR_TMRD_S) +#define DDR_CAS_L_M 0x17 +#define DDR_CAS_L_S 27 +#define DDR_CAS_L(x) (((x) & DDR_CAS_L_M) << DDR_CAS_L_S) +#define DDR_OPEN (1 << 30)
Use the BIT() macro consistently ;-)
+#define DDR_CONF_REG_VAL (DDR_TRAS(16) | DDR_TRCD(6) | \
DDR_TRP(6) | DDR_TRRD(4) | \DDR_TRFC(30) | DDR_TMRD(15) | \DDR_CAS_L(7) | DDR_OPEN)
[...]