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nds32: Enable two banks of SDRAM on Andes board 

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@gmail.com>
Cc: Macpaul Lin <macpaul@gmail.com>
utp
ken kuo 2013-06-08 11:14:09 +08:00 committed by Macpaul Lin
parent f6fd4140a5
commit 3c016704d9
5 changed files with 40 additions and 5 deletions
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6
arch/nds32/cpu/n1213/ag101/lowlevel_init.S
View File

@ -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 */

10
board/AndesTech/adp-ag101/adp-ag101.c
View File

@ -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);

10
board/AndesTech/adp-ag101p/adp-ag101p.c
View File

@ -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);

10
include/configs/adp-ag101.h
View File

@ -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

9
include/configs/adp-ag101p.h
View File

@ -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