diff --git a/arch/arm/cpu/arm926ejs/kirkwood/dram.c b/arch/arm/cpu/arm926ejs/kirkwood/dram.c index 8f2a18af6b3742ad90251b84103e65429e622484..7439c87f681070cb3ab24c615afcf8642bbb6ca7 100644 --- a/arch/arm/cpu/arm926ejs/kirkwood/dram.c +++ b/arch/arm/cpu/arm926ejs/kirkwood/dram.c @@ -23,8 +23,11 @@ */ #include <config.h> +#include <common.h> #include <asm/arch/kirkwood.h> +DECLARE_GLOBAL_DATA_PTR; + #define KW_REG_CPUCS_WIN_BAR(x) (KW_REGISTER(0x1500) + (x * 0x08)) #define KW_REG_CPUCS_WIN_SZ(x) (KW_REGISTER(0x1504) + (x * 0x08)) /* @@ -56,3 +59,38 @@ u32 kw_sdram_bs(enum memory_bank bank) result += 0x01000000; return result; } + +#ifndef CONFIG_SYS_BOARD_DRAM_INIT +int dram_init(void) +{ + int i; + + gd->ram_size = 0; + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { + gd->bd->bi_dram[i].start = kw_sdram_bar(i); + gd->bd->bi_dram[i].size = kw_sdram_bs(i); + /* + * It is assumed that all memory banks are consecutive + * and without gaps. + * If the gap is found, ram_size will be reported for + * consecutive memory only + */ + if (gd->bd->bi_dram[i].start != gd->ram_size) + break; + + gd->ram_size += gd->bd->bi_dram[i].size; + + } + return 0; +} + +/* + * If this function is not defined here, + * board.c alters dram bank zero configuration defined above. + */ +void dram_init_banksize(void) +{ + dram_init(); +} +#endif /* CONFIG_SYS_BOARD_DRAM_INIT */ + diff --git a/board/Marvell/guruplug/guruplug.c b/board/Marvell/guruplug/guruplug.c index c028a53bcbf939f036e33573be278131ac7a48c1..4df4e9b260482f49caab002473a2ea24713c3219 100644 --- a/board/Marvell/guruplug/guruplug.c +++ b/board/Marvell/guruplug/guruplug.c @@ -108,17 +108,6 @@ int board_init(void) return 0; } -int dram_init(void) -{ - int i; - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - gd->bd->bi_dram[i].start = kw_sdram_bar(i); - gd->bd->bi_dram[i].size = kw_sdram_bs(i); - } - return 0; -} - #ifdef CONFIG_RESET_PHY_R void mv_phy_88e1121_init(char *name) { diff --git a/board/Marvell/mv88f6281gtw_ge/mv88f6281gtw_ge.c b/board/Marvell/mv88f6281gtw_ge/mv88f6281gtw_ge.c index c959bf879e91c27b7acb88c5572392a5a70a9b2b..93d1400be49d469fbdb04248617cf0523fa44ef9 100644 --- a/board/Marvell/mv88f6281gtw_ge/mv88f6281gtw_ge.c +++ b/board/Marvell/mv88f6281gtw_ge/mv88f6281gtw_ge.c @@ -110,17 +110,6 @@ int board_init(void) return 0; } -int dram_init(void) -{ - int i; - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - gd->bd->bi_dram[i].start = kw_sdram_bar(i); - gd->bd->bi_dram[i].size = kw_sdram_bs(i); - } - return 0; -} - #ifdef CONFIG_MV88E61XX_SWITCH void reset_phy(void) { diff --git a/board/Marvell/openrd_base/openrd_base.c b/board/Marvell/openrd_base/openrd_base.c index c00a08aeab319d1f933b9800a915c5f1d9654ad5..d006b2ddf7d3abece1524b7e94b99ed6555fed12 100644 --- a/board/Marvell/openrd_base/openrd_base.c +++ b/board/Marvell/openrd_base/openrd_base.c @@ -113,17 +113,6 @@ int board_init(void) return 0; } -int dram_init(void) -{ - int i; - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - gd->bd->bi_dram[i].start = kw_sdram_bar(i); - gd->bd->bi_dram[i].size = kw_sdram_bs(i); - } - return 0; -} - #ifdef CONFIG_RESET_PHY_R /* Configure and enable MV88E1116 PHY */ void reset_phy(void) diff --git a/board/Marvell/rd6281a/rd6281a.c b/board/Marvell/rd6281a/rd6281a.c index 8713a3cf9b26aba0f50f74a2d092901de548eb18..0d76146b658069e44e54ec98a64057ac9421bf6c 100644 --- a/board/Marvell/rd6281a/rd6281a.c +++ b/board/Marvell/rd6281a/rd6281a.c @@ -109,17 +109,6 @@ int board_init(void) return 0; } -int dram_init(void) -{ - int i; - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - gd->bd->bi_dram[i].start = kw_sdram_bar(i); - gd->bd->bi_dram[i].size = kw_sdram_bs(i); - } - return 0; -} - void mv_phy_88e1116_init(char *name) { u16 reg; diff --git a/board/Marvell/sheevaplug/sheevaplug.c b/board/Marvell/sheevaplug/sheevaplug.c index 547126af8f049bd66693c2ee383d4bb2d04f1ae2..173a7b809df33f9b2072e5d9e43597f30548db9a 100644 --- a/board/Marvell/sheevaplug/sheevaplug.c +++ b/board/Marvell/sheevaplug/sheevaplug.c @@ -108,17 +108,6 @@ int board_init(void) return 0; } -int dram_init(void) -{ - int i; - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - gd->bd->bi_dram[i].start = kw_sdram_bar(i); - gd->bd->bi_dram[i].size = kw_sdram_bs(i); - } - return 0; -} - #ifdef CONFIG_RESET_PHY_R /* Configure and enable MV88E1116 PHY */ void reset_phy(void) diff --git a/include/configs/keymile-common.h b/include/configs/keymile-common.h index 6c14ca00c53dc00020a615e5c9918227d55b3740..62d21f628666d522da8d103cda644f277cfbd6ed 100644 --- a/include/configs/keymile-common.h +++ b/include/configs/keymile-common.h @@ -85,6 +85,7 @@ #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ #define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ +#define CONFIG_SYS_BOARD_DRAM_INIT /* Used board specific dram_init */ /* * How to get access to the slot ID. Put this here to make it easy