| 1 | /* |
| 2 | * SDRAM init values |
| 3 | * |
| 4 | * Copyright 2007, Broadcom Corporation |
| 5 | * Copyright 2009, OpenWrt.org |
| 6 | * All Rights Reserved. |
| 7 | * |
| 8 | * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY |
| 9 | * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM |
| 10 | * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS |
| 11 | * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | #ifndef _sdinitvals_h_ |
| 16 | #define _sdinitvals_h_ |
| 17 | |
| 18 | /* SDRAM refresh control (refresh) register bits */ |
| 19 | #define SDRAM_REF(p) (((p)&0xff) | SDRAM_REF_EN) /* Refresh period */ |
| 20 | #define SDRAM_REF_EN 0x8000 /* Writing 1 enables periodic refresh */ |
| 21 | |
| 22 | /* SDRAM Core default Init values (OCP ID 0x803) */ |
| 23 | #define MEM4MX16X2 0x419 /* 16 MB */ |
| 24 | |
| 25 | #define SDRAM_INIT MEM4MX16X2 |
| 26 | #define SDRAM_BURSTFULL 0x0000 /* Use full page bursts */ |
| 27 | #define SDRAM_CONFIG SDRAM_BURSTFULL |
| 28 | #define SDRAM_REFRESH SDRAM_REF(0x40) |
| 29 | |
| 30 | #endif /* _sdinitvals_h_ */ |
| 31 | |
