diff options
author | Kever Yang <kever.yang@rock-chips.com> | 2019-11-15 11:04:32 +0800 |
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committer | Kever Yang <kever.yang@rock-chips.com> | 2019-11-17 16:23:56 +0800 |
commit | 2a2f0b177c94457d25cded1bd1cbfd5835a7d032 (patch) | |
tree | 64b17e28166eec07050c61d8d9ad6c920dd3e91e /arch/arm/include/asm/arch-rockchip/sdram_rk3288.h | |
parent | 3ff1ff3ff76c15efe0451309af084ee6c096c583 (diff) |
ram: rockchip: rename sdram.h to sdram_rk3288.h
The header file sdram.h is used for rk3288 and similar SoCs, rename it
to make it more understandable.
Signed-off-by: YouMin Chen <cym@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Diffstat (limited to 'arch/arm/include/asm/arch-rockchip/sdram_rk3288.h')
-rw-r--r-- | arch/arm/include/asm/arch-rockchip/sdram_rk3288.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_rk3288.h b/arch/arm/include/asm/arch-rockchip/sdram_rk3288.h new file mode 100644 index 0000000000..9220763fa7 --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/sdram_rk3288.h @@ -0,0 +1,102 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2015 Google, Inc + * + * Copyright 2014 Rockchip Inc. + */ + +#ifndef _ASM_ARCH_RK3288_SDRAM_H__ +#define _ASM_ARCH_RK3288_SDRAM_H__ + +struct rk3288_sdram_channel { + /* + * bit width in address, eg: + * 8 banks using 3 bit to address, + * 2 cs using 1 bit to address. + */ + u8 rank; + u8 col; + u8 bk; + u8 bw; + u8 dbw; + u8 row_3_4; + u8 cs0_row; + u8 cs1_row; +#if CONFIG_IS_ENABLED(OF_PLATDATA) + /* + * For of-platdata, which would otherwise convert this into two + * byte-swapped integers. With a size of 9 bytes, this struct will + * appear in of-platdata as a byte array. + * + * If OF_PLATDATA enabled, need to add a dummy byte in dts.(i.e 0xff) + */ + u8 dummy; +#endif +}; + +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; + /* + * DDR Stride is address mapping for DRAM space + * Stride Ch 0 range Ch1 range Total + * 0x00 0-256MB 256MB-512MB 512MB + * 0x05 0-1GB 0-1GB 1GB + * 0x09 0-2GB 0-2GB 2GB + * 0x0d 0-4GB 0-4GB 4GB + * 0x17 N/A 0-4GB 4GB + * 0x1a 0-4GB 4GB-8GB 8GB + */ + u32 stride; + u32 odt; +}; + +#endif |