diff options
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/t1040qds/ddr.h')
-rw-r--r-- | qemu/roms/u-boot/board/freescale/t1040qds/ddr.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/freescale/t1040qds/ddr.h b/qemu/roms/u-boot/board/freescale/t1040qds/ddr.h new file mode 100644 index 000000000..a6e167352 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/t1040qds/ddr.h @@ -0,0 +1,53 @@ +/* + * Copyright 2013-2014 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; +}; + +/* + * 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 | + */ +#ifdef CONFIG_SYS_FSL_DDR4 + {2, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A,}, + {2, 1900, 0, 4, 6, 0x08080A0C, 0x0D0E0F0A,}, + {1, 1666, 0, 4, 6, 0x0708090B, 0x0C0D0E09,}, + {1, 1900, 0, 4, 6, 0x08080A0C, 0x0D0E0F0A,}, + {1, 2200, 0, 4, 7, 0x08090A0D, 0x0F0F100C,}, +#elif defined(CONFIG_SYS_FSL_DDR3) + {2, 833, 0, 4, 6, 0x06060607, 0x08080807,}, + {2, 1350, 0, 4, 7, 0x0708080A, 0x0A0B0C09,}, + {2, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A,}, + {1, 833, 0, 4, 6, 0x06060607, 0x08080807,}, + {1, 1350, 0, 4, 7, 0x0708080A, 0x0A0B0C09,}, + {1, 1666, 0, 4, 7, 0x0808090B, 0x0C0D0E0A,}, +#else +#error DDR type not defined +#endif + {} +}; + +static const struct board_specific_parameters *udimms[] = { + udimm0, +}; +#endif |