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 ---
arch/arm/mach-uniphier/boards.c | 25 ++++++++++++++++++++++++- 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 f54f464..1dececb 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 = 0x20000000, .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 a2fedbc..406d5d0 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);