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Diffstat (limited to 'board/freescale/ls2085aqds/ddr.h')
-rw-r--r-- | board/freescale/ls2085aqds/ddr.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/board/freescale/ls2085aqds/ddr.h b/board/freescale/ls2085aqds/ddr.h new file mode 100644 index 00000000000..b76ea61ba0b --- /dev/null +++ b/board/freescale/ls2085aqds/ddr.h @@ -0,0 +1,92 @@ +/* + * Copyright 2015 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; +}; + +/* + * 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, 4, 6, 0x0708090B, 0x0C0D0E09,}, + {2, 1666, 0, 4, 7, 0x08090A0C, 0x0D0F100B,}, + {2, 1900, 0, 4, 7, 0x09090B0D, 0x0E10120B,}, + {2, 2300, 0, 4, 8, 0x090A0C0F, 0x1012130C,}, + {} +}; + +/* DP-DDR DIMM */ +static const struct board_specific_parameters udimm2[] = { + /* + * memory controller 2 + * num| hi| rank| clk| wrlvl | wrlvl | wrlvl + * ranks| mhz| GB |adjst| start | ctl2 | ctl3 + */ + {2, 1350, 0, 4, 0xd, 0x0C0A0A00, 0x00000009,}, + {2, 1666, 0, 4, 0xd, 0x0C0A0A00, 0x00000009,}, + {2, 1900, 0, 4, 0xe, 0x0D0C0B00, 0x0000000A,}, + {2, 2200, 0, 4, 0xe, 0x0D0C0B00, 0x0000000A,}, + {} +}; + +static const struct board_specific_parameters rdimm0[] = { + /* + * memory controller 0 + * num| hi| rank| clk| wrlvl | wrlvl | wrlvl + * ranks| mhz| GB |adjst| start | ctl2 | ctl3 + */ + {2, 1350, 0, 4, 6, 0x0708090B, 0x0C0D0E09,}, + {2, 1666, 0, 4, 7, 0x08090A0C, 0x0D0F100B,}, + {2, 1900, 0, 4, 7, 0x09090B0D, 0x0E10120B,}, + {2, 2200, 0, 4, 8, 0x090A0C0F, 0x1012130C,}, + {} +}; + +/* DP-DDR DIMM */ +static const struct board_specific_parameters rdimm2[] = { + /* + * memory controller 2 + * num| hi| rank| clk| wrlvl | wrlvl | wrlvl + * ranks| mhz| GB |adjst| start | ctl2 | ctl3 + */ + {2, 1350, 0, 4, 6, 0x0708090B, 0x0C0D0E09,}, + {2, 1666, 0, 4, 7, 0x0B0A090C, 0x0D0F100B,}, + {2, 1900, 0, 4, 7, 0x09090B0D, 0x0E10120B,}, + {2, 2200, 0, 4, 8, 0x090A0C0F, 0x1012130C,}, + {} +}; + +static const struct board_specific_parameters *udimms[] = { + udimm0, + udimm0, + udimm2, +}; + +static const struct board_specific_parameters *rdimms[] = { + rdimm0, + rdimm0, + rdimm2, +}; + + +#endif |