diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2012-07-03 11:36:44 +0300 |
|---|---|---|
| committer | Marc Jones <marc.jones@se-eng.com> | 2013-03-07 00:48:02 +0100 |
| commit | 41dd3dbd5e5619b9957de6850541af7cfe21a1a8 (patch) | |
| tree | f3dc45f0bb7a8847576c3e948da2c91f78286ae9 /src/northbridge | |
| parent | 5a22b14d47955a2cce1d51d883a3c0ee4df39df0 (diff) | |
Intel e7505: provide get_top_of_ram
This is required to enable EARLY_CBMEM_INIT.
Change-Id: I6d8caf382aa48eded81c1e94bbbcd3975ea88a1a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/2550
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/e7505/raminit.c | 6 | ||||
| -rw-r--r-- | src/northbridge/intel/e7505/raminit.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/src/northbridge/intel/e7505/raminit.c b/src/northbridge/intel/e7505/raminit.c index 2f558f5231..9fba602833 100644 --- a/src/northbridge/intel/e7505/raminit.c +++ b/src/northbridge/intel/e7505/raminit.c @@ -1889,6 +1889,12 @@ void e7505_mch_init(const struct mem_controller *memctrl) sdram_enable(memctrl); } +unsigned long get_top_of_ram(void) +{ + u32 tolm = (pci_read_config16(MCHDEV, TOLM) & ~0x7ff) << 16; + return (unsigned long) tolm; +} + /** * Scrub and reset error counts for ECC dimms. * diff --git a/src/northbridge/intel/e7505/raminit.h b/src/northbridge/intel/e7505/raminit.h index 8eb4990364..f9ba7968be 100644 --- a/src/northbridge/intel/e7505/raminit.h +++ b/src/northbridge/intel/e7505/raminit.h @@ -20,6 +20,7 @@ void e7505_mch_scrub_ecc(unsigned long ret_addr); void e7505_mch_done(const struct mem_controller *memctrl); int e7505_mch_is_ready(void); +unsigned long get_top_of_ram(void); /* Mainboard exports this. */ int spd_read_byte(unsigned device, unsigned address); |