diff options
Diffstat (limited to 'src/mainboard/emulation/qemu-i440fx/memory.c')
| -rw-r--r-- | src/mainboard/emulation/qemu-i440fx/memory.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/mainboard/emulation/qemu-i440fx/memory.c b/src/mainboard/emulation/qemu-i440fx/memory.c index b8109e53fb..dea96f275d 100644 --- a/src/mainboard/emulation/qemu-i440fx/memory.c +++ b/src/mainboard/emulation/qemu-i440fx/memory.c @@ -14,6 +14,8 @@ */ #include <cbmem.h> +#include <arch/io.h> +#include "memory.h" #define CMOS_ADDR_PORT 0x70 #define CMOS_DATA_PORT 0x71 @@ -25,12 +27,24 @@ #define MID_HIGHRAM_ADDR 0x5c #define LOW_HIGHRAM_ADDR 0x5b -static unsigned long qemu_get_memory_size(void) +unsigned long qemu_get_high_memory_size(void) +{ + unsigned long high; + outb(HIGH_HIGHRAM_ADDR, CMOS_ADDR_PORT); + high = ((unsigned long) inb(CMOS_DATA_PORT)) << 22; + outb(MID_HIGHRAM_ADDR, CMOS_ADDR_PORT); + high |= ((unsigned long) inb(CMOS_DATA_PORT)) << 14; + outb(LOW_HIGHRAM_ADDR, CMOS_ADDR_PORT); + high |= ((unsigned long) inb(CMOS_DATA_PORT)) << 6; + return high; +} + +unsigned long qemu_get_memory_size(void) { unsigned long tomk; - outb (HIGH_RAM_ADDR, CMOS_ADDR_PORT); + outb(HIGH_RAM_ADDR, CMOS_ADDR_PORT); tomk = ((unsigned long) inb(CMOS_DATA_PORT)) << 14; - outb (LOW_RAM_ADDR, CMOS_ADDR_PORT); + outb(LOW_RAM_ADDR, CMOS_ADDR_PORT); tomk |= ((unsigned long) inb(CMOS_DATA_PORT)) << 6; tomk += 16 * 1024; return tomk; |