diff options
Diffstat (limited to 'board/freescale/ls1021aqds/ddr.h')
-rw-r--r-- | board/freescale/ls1021aqds/ddr.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/board/freescale/ls1021aqds/ddr.h b/board/freescale/ls1021aqds/ddr.h new file mode 100644 index 0000000000..16d87cbe82 --- /dev/null +++ b/board/freescale/ls1021aqds/ddr.h @@ -0,0 +1,49 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __DDR_H__ +#define __DDR_H__ +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; + u32 cpo_override; + u32 write_data_delay; + u32 force_2t; +}; + +/* + * 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 | cpo |wrdata|2T + * ranks| mhz| GB |adjst| start | ctl2 | ctl3 | |delay | + */ + {1, 833, 1, 6, 8, 0x06060607, 0x08080807, 0x1f, 2, 0}, + {1, 1350, 1, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0}, + {1, 833, 2, 6, 8, 0x06060607, 0x08080807, 0x1f, 2, 0}, + {1, 1350, 2, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0}, + {2, 833, 4, 6, 8, 0x06060607, 0x08080807, 0x1f, 2, 0}, + {2, 1350, 4, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0}, + {2, 1350, 0, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0}, + {2, 1666, 4, 4, 0xa, 0x0B08090C, 0x0B0E0D0A, 0x1f, 2, 0}, + {2, 1666, 0, 4, 0xa, 0x0B08090C, 0x0B0E0D0A, 0x1f, 2, 0}, + {} +}; + +static const struct board_specific_parameters *udimms[] = { + udimm0, +}; + +#endif |