diff options
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/amd64_edac.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index c9eee6d..b9424dc 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -2133,6 +2133,7 @@ static void read_mc_regs(struct amd64_pvt *pvt) static u32 amd64_csrow_nr_pages(struct amd64_pvt *pvt, u8 dct, int csrow_nr) { u32 cs_mode, nr_pages; + u32 dbam = dct ? pvt->dbam1 : pvt->dbam0; /* * The math on this doesn't look right on the surface because x/2*4 can @@ -2141,16 +2142,10 @@ static u32 amd64_csrow_nr_pages(struct amd64_pvt *pvt, u8 dct, int csrow_nr) * number of bits to shift the DBAM register to extract the proper CSROW * field. */ - cs_mode = (pvt->dbam0 >> ((csrow_nr / 2) * 4)) & 0xF; + cs_mode = (dbam >> ((csrow_nr / 2) * 4)) & 0xF; nr_pages = pvt->ops->dbam_to_cs(pvt, dct, cs_mode) << (20 - PAGE_SHIFT); - /* - * If dual channel then double the memory size of single channel. - * Channel count is 1 or 2 - */ - nr_pages <<= (pvt->channel_count - 1); - debugf0(" (csrow=%d) DBAM map index= %d\n", csrow_nr, cs_mode); debugf0(" nr_pages= %u channel-count = %d\n", nr_pages, pvt->channel_count); @@ -2181,7 +2176,7 @@ static int init_csrows(struct mem_ctl_info *mci) for_each_chip_select(i, 0, pvt) { csrow = &mci->csrows[i]; - if (!csrow_enabled(i, 0, pvt)) { + if (!csrow_enabled(i, 0, pvt) && !csrow_enabled(i, 1, pvt)) { debugf1("----CSROW %d EMPTY for node %d\n", i, pvt->mc_node_id); continue; @@ -2191,7 +2186,10 @@ static int init_csrows(struct mem_ctl_info *mci) i, pvt->mc_node_id); empty = 0; - csrow->nr_pages = amd64_csrow_nr_pages(pvt, 0, i); + if (csrow_enabled(i, 0, pvt)) + csrow->nr_pages = amd64_csrow_nr_pages(pvt, 0, i); + if (csrow_enabled(i, 1, pvt)) + csrow->nr_pages += amd64_csrow_nr_pages(pvt, 1, i); find_csrow_limits(mci, i, &input_addr_min, &input_addr_max); sys_addr = input_addr_to_sys_addr(mci, input_addr_min); csrow->first_page = (u32) (sys_addr >> PAGE_SHIFT); |