diff options
Diffstat (limited to 'arch/arm/include/asm/arch-rockchip/sdram.h')
-rw-r--r-- | arch/arm/include/asm/arch-rockchip/sdram.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/sdram.h b/arch/arm/include/asm/arch-rockchip/sdram.h new file mode 100644 index 0000000000..d3de42d297 --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/sdram.h @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2015 Google, Inc + * + * Copyright 2014 Rockchip Inc. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _ASM_ARCH_RK3288_SDRAM_H__ +#define _ASM_ARCH_RK3288_SDRAM_H__ + +enum { + DDR3 = 3, + LPDDR3 = 6, + UNUSED = 0xFF, +}; + +struct rk3288_sdram_channel { + u8 rank; + u8 col; + u8 bk; + u8 bw; + u8 dbw; + u8 row_3_4; + u8 cs0_row; + u8 cs1_row; +}; + +struct rk3288_sdram_pctl_timing { + u32 togcnt1u; + u32 tinit; + u32 trsth; + u32 togcnt100n; + u32 trefi; + u32 tmrd; + u32 trfc; + u32 trp; + u32 trtw; + u32 tal; + u32 tcl; + u32 tcwl; + u32 tras; + u32 trc; + u32 trcd; + u32 trrd; + u32 trtp; + u32 twr; + u32 twtr; + u32 texsr; + u32 txp; + u32 txpdll; + u32 tzqcs; + u32 tzqcsi; + u32 tdqs; + u32 tcksre; + u32 tcksrx; + u32 tcke; + u32 tmod; + u32 trstl; + u32 tzqcl; + u32 tmrr; + u32 tckesr; + u32 tdpd; +}; +check_member(rk3288_sdram_pctl_timing, tdpd, 0x144 - 0xc0); + +struct rk3288_sdram_phy_timing { + u32 dtpr0; + u32 dtpr1; + u32 dtpr2; + u32 mr[4]; +}; + +struct rk3288_base_params { + u32 noc_timing; + u32 noc_activate; + u32 ddrconfig; + u32 ddr_freq; + u32 dramtype; + u32 stride; + u32 odt; +}; + +struct rk3288_sdram_params { + struct rk3288_sdram_channel ch[2]; + struct rk3288_sdram_pctl_timing pctl_timing; + struct rk3288_sdram_phy_timing phy_timing; + struct rk3288_base_params base; + int num_channels; +}; + +#endif |