[U-Boot] [PATCH v8 2/9] mips: ath79: add support for AR933x SOCs

Wills Wang wills.wang at live.com
Thu Mar 17 04:14:54 CET 2016



On Thursday, March 17, 2016 05:38 AM, Marek Vasut wrote:
> On 03/16/2016 09:59 AM, Wills Wang wrote:
>> This patch enable work for ar933x SOC.
>>
>> Signed-off-by: Wills Wang <wills.wang at 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 ;-)
>
OK.
>> +#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)
>> +
> [...]
>

-- 
Best Regards
Wills



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