diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-09-14 01:06:10 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-09-17 01:29:44 +0900 |
| commit | f6bbec3d5c12457e2ce207f662e65e7da70254ce (patch) | |
| tree | 674e72034147ad69e92804357a1974b9ce3b899b /arch/arm | |
| parent | ef70eb54aab8466b3989e83623b5ca4db78b7b2a (diff) | |
ARM: uniphier: introduce flags to adjust DRAM timing for LD20/LD21
Unfortunately, this SoC needs per-board adjustment between clock
and address/command lines. This flag will be passed to the DRAM
init function and used for compensating the difference of DRAM
timing parameters.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-uniphier/boards.c | 25 | ||||
| -rw-r--r-- | arch/arm/mach-uniphier/init.h | 11 |
2 files changed, 32 insertions, 4 deletions
diff --git a/arch/arm/mach-uniphier/boards.c b/arch/arm/mach-uniphier/boards.c index e063555cb0..79b1d2013a 100644 --- a/arch/arm/mach-uniphier/boards.c +++ b/arch/arm/mach-uniphier/boards.c @@ -184,6 +184,27 @@ static const struct uniphier_board_data uniphier_ld11_data = { #endif #if defined(CONFIG_ARCH_UNIPHIER_LD20) +static const struct uniphier_board_data uniphier_ld20_ref_data = { + .dram_freq = 1866, + .dram_nr_ch = 3, + .dram_ch[0] = { + .base = 0x80000000, + .size = 0x40000000, + .width = 32, + }, + .dram_ch[1] = { + .base = 0xc0000000, + .size = 0x40000000, + .width = 32, + }, + .dram_ch[2] = { + .base = 0x100000000UL, + .size = 0x40000000, + .width = 32, + }, + .flags = UNIPHIER_BD_BOARD_LD20_REF, +}; + static const struct uniphier_board_data uniphier_ld20_data = { .dram_freq = 1866, .dram_nr_ch = 3, @@ -202,6 +223,7 @@ static const struct uniphier_board_data uniphier_ld20_data = { .size = 0x40000000, .width = 32, }, + .flags = UNIPHIER_BD_BOARD_LD20_GLOBAL, }; static const struct uniphier_board_data uniphier_ld21_data = { @@ -217,7 +239,7 @@ static const struct uniphier_board_data uniphier_ld21_data = { .size = 0x40000000, .width = 32, }, - .flags = UNIPHIER_BD_PACKAGE_LD21, + .flags = UNIPHIER_BD_BOARD_LD21_GLOBAL, }; #endif @@ -255,6 +277,7 @@ static const struct uniphier_board_id uniphier_boards[] = { #endif #if defined(CONFIG_ARCH_UNIPHIER_LD20) { "socionext,ph1-ld21", &uniphier_ld21_data, }, + { "socionext,ph1-ld20-ref", &uniphier_ld20_ref_data, }, { "socionext,ph1-ld20", &uniphier_ld20_data, }, #endif }; diff --git a/arch/arm/mach-uniphier/init.h b/arch/arm/mach-uniphier/init.h index a2fedbc00a..406d5d00de 100644 --- a/arch/arm/mach-uniphier/init.h +++ b/arch/arm/mach-uniphier/init.h @@ -23,9 +23,14 @@ struct uniphier_board_data { unsigned int dram_nr_ch; struct uniphier_dram_ch dram_ch[UNIPHIER_MAX_NR_DRAM_CH]; unsigned int flags; -#define UNIPHIER_BD_DDR3PLUS BIT(2) -#define UNIPHIER_BD_PACKAGE_LD21 1 -#define UNIPHIER_BD_PACKAGE_TYPE(f) ((f) & 0x3) + +#define UNIPHIER_BD_DDR3PLUS BIT(2) + +#define UNIPHIER_BD_BOARD_GET_TYPE(f) ((f) & 0x3) +#define UNIPHIER_BD_BOARD_LD20_REF 0 /* LD20 reference */ +#define UNIPHIER_BD_BOARD_LD20_GLOBAL 1 /* LD20 TV Set */ +#define UNIPHIER_BD_BOARD_LD21_REF 2 /* LD21 reference */ +#define UNIPHIER_BD_BOARD_LD21_GLOBAL 3 /* LD21 TV Set */ }; const struct uniphier_board_data *uniphier_get_board_param(void); |