[U-Boot] [PATCH 1/4] nds32: Enable two banks of SDRAM on Andes board
Kuan-Yu Kuo
ken.kuoky at gmail.com
Sat Jun 8 05:14:09 CEST 2013
The original adp-ag101/adp-ag101p initialize only one bank(64MB)
by default at boot time, but it is not enough for some application,
so increasing to two banks(128M).
Signed-off-by: Kuan-Yu Kuo <ken.kuoky at gmail.com>
Cc: Macpaul Lin <macpaul at gmail.com>
---
arch/nds32/cpu/n1213/ag101/lowlevel_init.S | 6 +++++-
board/AndesTech/adp-ag101/adp-ag101.c | 10 +++++++++-
board/AndesTech/adp-ag101p/adp-ag101p.c | 10 +++++++++-
include/configs/adp-ag101.h | 10 +++++++++-
include/configs/adp-ag101p.h | 9 ++++++++-
5 files changed, 40 insertions(+), 5 deletions(-)
diff --git a/arch/nds32/cpu/n1213/ag101/lowlevel_init.S b/arch/nds32/cpu/n1213/ag101/lowlevel_init.S
index 29c93fe..55985cf 100644
--- a/arch/nds32/cpu/n1213/ag101/lowlevel_init.S
+++ b/arch/nds32/cpu/n1213/ag101/lowlevel_init.S
@@ -38,6 +38,7 @@
#define SDMC_CR1_A (CONFIG_FTSDMC021_BASE + FTSDMC021_CR1)
#define SDMC_CR2_A (CONFIG_FTSDMC021_BASE + FTSDMC021_CR2)
#define SDMC_B0_BSR_A (CONFIG_FTSDMC021_BASE + FTSDMC021_BANK0_BSR)
+#define SDMC_B1_BSR_A (CONFIG_FTSDMC021_BASE + FTSDMC021_BANK1_BSR)
#define SDMC_TP1_D CONFIG_SYS_FTSDMC021_TP1
#define SDMC_TP2_D CONFIG_SYS_FTSDMC021_TP2
@@ -45,6 +46,7 @@
#define SDMC_CR2_D CONFIG_SYS_FTSDMC021_CR2
#define SDMC_B0_BSR_D CONFIG_SYS_FTSDMC021_BANK0_BSR
+#define SDMC_B1_BSR_D CONFIG_SYS_FTSDMC021_BANK1_BSR
/*
* parameters for the static memory controller
@@ -167,12 +169,12 @@ relo_base:
*/
led 0x1a
write32 SDMC_B0_BSR_A, SDMC_B0_BSR_D ! 0x00001100
+ write32 SDMC_B1_BSR_A, SDMC_B1_BSR_D ! 0x00001140
/* clear empty BSR registers */
led 0x1b
li $r4, CONFIG_FTSDMC021_BASE
li $r5, 0x0
- swi $r5, [$r4 + FTSDMC021_BANK1_BSR]
swi $r5, [$r4 + FTSDMC021_BANK2_BSR]
swi $r5, [$r4 + FTSDMC021_BANK3_BSR]
@@ -223,6 +225,8 @@ relo_base:
* - after remap: flash/rom 0x80000000, sdram: 0x00000000
*/
led 0x1c
+ write32 SDMC_B0_BSR_A, 0x00001000
+ write32 SDMC_B1_BSR_A, 0x00001040
setbf15 AHBC_CR_A, FTAHBC020S_CR_REMAP ! 0x1
#endif /* #ifdef CONFIG_MEM_REMAP */
diff --git a/board/AndesTech/adp-ag101/adp-ag101.c b/board/AndesTech/adp-ag101/adp-ag101.c
index 82ce4c9..ebc20a5 100644
--- a/board/AndesTech/adp-ag101/adp-ag101.c
+++ b/board/AndesTech/adp-ag101/adp-ag101.c
@@ -50,7 +50,7 @@ int board_init(void)
int dram_init(void)
{
unsigned long sdram_base = PHYS_SDRAM_0;
- unsigned long expected_size = PHYS_SDRAM_0_SIZE;
+ unsigned long expected_size = PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE;
unsigned long actual_size;
actual_size = get_ram_size((void *)sdram_base, expected_size);
@@ -65,6 +65,14 @@ int dram_init(void)
return 0;
}
+void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_0;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_0_SIZE;
+ gd->bd->bi_dram[1].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[1].size = PHYS_SDRAM_1_SIZE;
+}
+
int board_eth_init(bd_t *bd)
{
return ftmac100_initialize(bd);
diff --git a/board/AndesTech/adp-ag101p/adp-ag101p.c b/board/AndesTech/adp-ag101p/adp-ag101p.c
index 8dd2043..26d67e2 100644
--- a/board/AndesTech/adp-ag101p/adp-ag101p.c
+++ b/board/AndesTech/adp-ag101p/adp-ag101p.c
@@ -50,7 +50,7 @@ int board_init(void)
int dram_init(void)
{
unsigned long sdram_base = PHYS_SDRAM_0;
- unsigned long expected_size = PHYS_SDRAM_0_SIZE;
+ unsigned long expected_size = PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE;
unsigned long actual_size;
actual_size = get_ram_size((void *)sdram_base, expected_size);
@@ -65,6 +65,14 @@ int dram_init(void)
return 0;
}
+void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_0;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_0_SIZE;
+ gd->bd->bi_dram[1].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[1].size = PHYS_SDRAM_1_SIZE;
+}
+
int board_eth_init(bd_t *bd)
{
return ftmac100_initialize(bd);
diff --git a/include/configs/adp-ag101.h b/include/configs/adp-ag101.h
index b6e3844..1b84b04 100644
--- a/include/configs/adp-ag101.h
+++ b/include/configs/adp-ag101.h
@@ -235,6 +235,11 @@
#define CONFIG_SYS_FTSDMC021_BANK0_BSR (FTSDMC021_BANK_ENABLE | \
CONFIG_SYS_FTSDMC021_BANK0_BASE)
+#define CONFIG_SYS_FTSDMC021_BANK1_BASE \
+ (CONFIG_SYS_FTAHBC020S_SLAVE_BSR_BASE + (PHYS_SDRAM_0_SIZE >> 20))
+#define CONFIG_SYS_FTSDMC021_BANK1_BSR (FTSDMC021_BANK_ENABLE | \
+ CONFIG_SYS_FTSDMC021_BANK1_BASE)
+
#endif
/*
@@ -248,9 +253,12 @@
#else /* !CONFIG_SKIP_LOWLEVEL_INIT && !CONFIG_MEM_REMAP */
#define PHYS_SDRAM_0 0x10000000 /* SDRAM Bank #1 */
#endif
+#define PHYS_SDRAM_1 \
+ (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE) /* SDRAM Bank #2 */
-#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
+#define CONFIG_NR_DRAM_BANKS 2 /* we have 2 bank of DRAM */
#define PHYS_SDRAM_0_SIZE 0x04000000 /* 64 MB */
+#define PHYS_SDRAM_1_SIZE 0x04000000 /* 64 MB */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_0
diff --git a/include/configs/adp-ag101p.h b/include/configs/adp-ag101p.h
index ef55e35..cec89f6 100644
--- a/include/configs/adp-ag101p.h
+++ b/include/configs/adp-ag101p.h
@@ -236,6 +236,10 @@
#define CONFIG_SYS_FTSDMC021_BANK0_BSR (FTSDMC021_BANK_ENABLE | \
CONFIG_SYS_FTSDMC021_BANK0_BASE)
+#define CONFIG_SYS_FTSDMC021_BANK1_BASE \
+ (CONFIG_SYS_FTAHBC020S_SLAVE_BSR_BASE + (PHYS_SDRAM_0_SIZE >> 20))
+#define CONFIG_SYS_FTSDMC021_BANK1_BSR (FTSDMC021_BANK_ENABLE | \
+ CONFIG_SYS_FTSDMC021_BANK1_BASE)
#endif
/*
@@ -249,9 +253,12 @@
#else /* !CONFIG_SKIP_LOWLEVEL_INIT && !CONFIG_MEM_REMAP */
#define PHYS_SDRAM_0 0x10000000 /* SDRAM Bank #1 */
#endif
+#define PHYS_SDRAM_1 \
+ (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE) /* SDRAM Bank #2 */
-#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
+#define CONFIG_NR_DRAM_BANKS 2 /* we have 2 bank of DRAM */
#define PHYS_SDRAM_0_SIZE 0x04000000 /* 64 MB */
+#define PHYS_SDRAM_1_SIZE 0x04000000 /* 64 MB */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_0
--
1.7.9.5
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