diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/avr32/include/asm/u-boot.h | 1 | ||||
| -rw-r--r-- | arch/avr32/lib/Makefile | 1 | ||||
| -rw-r--r-- | arch/avr32/lib/board.c | 20 | ||||
| -rw-r--r-- | arch/avr32/lib/dram_init.c | 17 |
4 files changed, 29 insertions, 10 deletions
diff --git a/arch/avr32/include/asm/u-boot.h b/arch/avr32/include/asm/u-boot.h index 2387f8a..232350e 100644 --- a/arch/avr32/include/asm/u-boot.h +++ b/arch/avr32/include/asm/u-boot.h @@ -26,5 +26,6 @@ typedef struct bd_info { #define IH_ARCH_DEFAULT IH_ARCH_AVR32 int arch_cpu_init(void); +int dram_init(void); #endif /* __ASM_U_BOOT_H__ */ diff --git a/arch/avr32/lib/Makefile b/arch/avr32/lib/Makefile index bb45cbe..5f2d97b 100644 --- a/arch/avr32/lib/Makefile +++ b/arch/avr32/lib/Makefile @@ -11,3 +11,4 @@ obj-y += memset.o obj-y += board.o obj-$(CONFIG_CMD_BOOTM) += bootm.o obj-y += interrupts.o +obj-y += dram_init.o diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c index e86530f..13b7fed 100644 --- a/arch/avr32/lib/board.c +++ b/arch/avr32/lib/board.c @@ -29,6 +29,12 @@ DECLARE_GLOBAL_DATA_PTR; unsigned long monitor_flash_len; +__weak void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_dram[0].size = gd->ram_size; +} + /* Weak aliases for optional board functions */ static int __do_nothing(void) { @@ -82,7 +88,6 @@ void board_init_f(ulong board_type) unsigned long monitor_len; unsigned long monitor_addr; unsigned long addr; - long sdram_size; /* Initialize the global data pointer */ memset(&gd_data, 0, sizeof(gd_data)); @@ -97,10 +102,10 @@ void board_init_f(ulong board_type) serial_init(); console_init_f(); display_banner(); - sdram_size = initdram(board_type); + dram_init(); /* If we have no SDRAM, we can't go on */ - if (sdram_size <= 0) + if (gd->ram_size <= 0) panic("No working SDRAM available\n"); /* @@ -114,7 +119,7 @@ void board_init_f(ulong board_type) * - global data struct * - stack */ - addr = CONFIG_SYS_SDRAM_BASE + sdram_size; + addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size; monitor_len = (char *)(&__bss_end) - _text; /* @@ -156,12 +161,7 @@ void board_init_f(ulong board_type) *(--new_sp) = 0; *(--new_sp) = 0; - /* - * Initialize the board information struct with the - * information we have. - */ - bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; - bd->bi_dram[0].size = sdram_size; + dram_init_banksize(); memcpy(new_gd, gd, sizeof(gd_t)); diff --git a/arch/avr32/lib/dram_init.c b/arch/avr32/lib/dram_init.c new file mode 100644 index 0000000..5078e77 --- /dev/null +++ b/arch/avr32/lib/dram_init.c @@ -0,0 +1,17 @@ +/* + * Copyright (C) 2015 Andreas Bießmann <andreas.devel@googlemail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + /* check for the maximum amount of memory possible on AP7000 devices */ + gd->ram_size = get_ram_size( + (void *)CONFIG_SYS_SDRAM_BASE, + (256<<20)); + return 0; +} |