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Diffstat (limited to 'board/freescale/ls1046aqds/ddr.h')
-rw-r--r-- | board/freescale/ls1046aqds/ddr.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/board/freescale/ls1046aqds/ddr.h b/board/freescale/ls1046aqds/ddr.h new file mode 100644 index 0000000000..b5940321e0 --- /dev/null +++ b/board/freescale/ls1046aqds/ddr.h @@ -0,0 +1,44 @@ +/* + * Copyright 2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __DDR_H__ +#define __DDR_H__ + +void erratum_a008850_post(void); + +struct board_specific_parameters { + u32 n_ranks; + u32 datarate_mhz_high; + u32 rank_gb; + u32 clk_adjust; + u32 wrlvl_start; + u32 wrlvl_ctl_2; + u32 wrlvl_ctl_3; +}; + +/* + * These tables contain all valid speeds we want to override with board + * specific parameters. datarate_mhz_high values need to be in ascending order + * for each n_ranks group. + */ +static const struct board_specific_parameters udimm0[] = { + /* + * memory controller 0 + * num| hi| rank| clk| wrlvl | wrlvl | wrlvl | + * ranks| mhz| GB |adjst| start | ctl2 | ctl3 | + */ + {2, 1350, 0, 8, 6, 0x0708090B, 0x0C0D0E09,}, + {2, 1666, 0, 8, 7, 0x08090A0C, 0x0D0F100B,}, + {2, 1900, 0, 8, 7, 0x09090B0D, 0x0E10120B,}, + {2, 2300, 0, 8, 9, 0x0A0C0D11, 0x1214150E,}, + {} +}; + +static const struct board_specific_parameters *udimms[] = { + udimm0, +}; + +#endif |