Author: rminnich
Date: 2008-09-01 04:44:08 +0200 (Mon, 01 Sep 2008)
New Revision: 854
Modified:
coreboot-v3/northbridge/amd/k8/coherent_ht.c
coreboot-v3/northbridge/amd/k8/incoherent_ht.c
coreboot-v3/northbridge/amd/k8/pci.c
coreboot-v3/northbridge/amd/k8/raminit.c
coreboot-v3/southbridge/amd/amd8111/acpi.c
Log:
This finishes the fix to log2. The computed dram size now matches the
size indicated by byte 31 of SPD.
Memory is still not working; hanging in dqs training.
Signed-off-by: Ronald G. Minnich <[EMAIL PROTECTED]>
Acked-by: Ronald G. Minnich <[EMAIL PROTECTED]>
Modified: coreboot-v3/northbridge/amd/k8/coherent_ht.c
===================================================================
--- coreboot-v3/northbridge/amd/k8/coherent_ht.c 2008-08-31 20:39:48 UTC
(rev 853)
+++ coreboot-v3/northbridge/amd/k8/coherent_ht.c 2008-09-01 02:44:08 UTC
(rev 854)
@@ -322,7 +322,7 @@
freq_cap2 = read_freq_cap(node2, link2 + PCI_HT_CAP_HOST_FREQ_CAP);
/* Calculate the highest possible frequency */
- freq = log2(freq_cap1 & freq_cap2);
+ freq = log2c(freq_cap1 & freq_cap2);
/* See if I am changing the link freqency */
old_freq = pci_conf1_read_config8(node1, link1 + PCI_HT_CAP_HOST_FREQ);
Modified: coreboot-v3/northbridge/amd/k8/incoherent_ht.c
===================================================================
--- coreboot-v3/northbridge/amd/k8/incoherent_ht.c 2008-08-31 20:39:48 UTC
(rev 853)
+++ coreboot-v3/northbridge/amd/k8/incoherent_ht.c 2008-09-01 02:44:08 UTC
(rev 854)
@@ -229,7 +229,7 @@
freq_cap2 = ht_read_freq_cap(bdf2, pos2 + LINK_FREQ_CAP(offs2));
/* Calculate the highest possible frequency */
- freq = log2(freq_cap1 & freq_cap2);
+ freq = log2c(freq_cap1 & freq_cap2);
/* See if I am changing the link freqency */
old_freq = pci_conf1_read_config8(bdf1, pos1 + LINK_FREQ(offs1));
Modified: coreboot-v3/northbridge/amd/k8/pci.c
===================================================================
--- coreboot-v3/northbridge/amd/k8/pci.c 2008-08-31 20:39:48 UTC (rev
853)
+++ coreboot-v3/northbridge/amd/k8/pci.c 2008-09-01 02:44:08 UTC (rev
854)
@@ -332,8 +332,8 @@
if (resource) {
resource->base = 0;
resource->size = 0;
- resource->align = log2(HT_IO_HOST_ALIGN);
- resource->gran = log2(HT_IO_HOST_ALIGN);
+ resource->align = log2c(HT_IO_HOST_ALIGN);
+ resource->gran = log2c(HT_IO_HOST_ALIGN);
resource->limit = 0xffffUL;
resource->flags = IORESOURCE_IO;
compute_allocate_resource(&dev->link[link], resource,
@@ -345,8 +345,8 @@
if (resource) {
resource->base = 0;
resource->size = 0;
- resource->align = log2(HT_MEM_HOST_ALIGN);
- resource->gran = log2(HT_MEM_HOST_ALIGN);
+ resource->align = log2c(HT_MEM_HOST_ALIGN);
+ resource->gran = log2c(HT_MEM_HOST_ALIGN);
resource->limit = 0xffffffffffULL;
resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
compute_allocate_resource(&dev->link[link], resource,
@@ -359,8 +359,8 @@
if (resource) {
resource->base = 0;
resource->size = 0;
- resource->align = log2(HT_MEM_HOST_ALIGN);
- resource->gran = log2(HT_MEM_HOST_ALIGN);
+ resource->align = log2c(HT_MEM_HOST_ALIGN);
+ resource->gran = log2c(HT_MEM_HOST_ALIGN);
resource->limit = 0xffffffffffULL;
resource->flags = IORESOURCE_MEM;
compute_allocate_resource(&dev->link[link], resource,
Modified: coreboot-v3/northbridge/amd/k8/raminit.c
===================================================================
--- coreboot-v3/northbridge/amd/k8/raminit.c 2008-08-31 20:39:48 UTC (rev
853)
+++ coreboot-v3/northbridge/amd/k8/raminit.c 2008-09-01 02:44:08 UTC (rev
854)
@@ -31,7 +31,7 @@
#include <string.h>
#include <mtrr.h>
#include <macros.h>
-#include <spd.h>
+#include <spd_ddr2.h>
#include <cpu.h>
#include <msr.h>
#include <amd/k8/k8.h>
@@ -765,7 +765,7 @@
value = spd_read_byte(device, SPD_BANK_NUM); /* banks */
if (value < 0) goto hw_err;
if ((value & 0xff) == 0) goto val_err;
- sz->bank = log2(value & 0xff); // convert 4 to 2, and 8 to 3
+ sz->bank = log2c(value & 0xff); // convert 4 to 2, and 8 to 3
printk(BIOS_SPEW, "%d SPD banks %d bank\n", value, sz->bank);
sz->per_rank += sz->bank;
printk(BIOS_SPEW, "sz->per_rank is now %d\n", sz->per_rank);
@@ -774,8 +774,9 @@
if (value < 0) goto hw_err;
value &= 0xff;
if ((value != 72) && (value != 64)) goto val_err;
- sz->per_rank += log2(value) - 3; //64 bit So another 3 lines
- printk(BIOS_SPEW, "value %d log2(value) %d sz->per_rank now %d\n",
value, log2(value), sz->per_rank);
+ /* why log2f (floor) here? because 72 bits is really 64 bits + parity */
+ sz->per_rank += log2f(value) - 3; //64 bit So another 3 lines
+ printk(BIOS_SPEW, "value %d log2f(value) %d sz->per_rank now %d\n",
value, log2f(value), sz->per_rank);
/* How many ranks? */
value = spd_read_byte(device, SPD_MOD_ATTRIB_RANK); /* number of
physical banks */
@@ -783,7 +784,7 @@
// value >>= SPD_MOD_ATTRIB_RANK_NUM_SHIFT;
value &= SPD_MOD_ATTRIB_RANK_NUM_MASK;
value += SPD_MOD_ATTRIB_RANK_NUM_BASE; // 0-->1, 1-->2, 3-->4
- printk(BIOS_SPEW, "# banks %d\n", value);
+ printk(BIOS_SPEW, "# ranks %d\n", value);
/*
rank == 1 only one rank or say one side
rank == 2 two side , and two ranks
@@ -802,13 +803,14 @@
if (value < 0) goto hw_err;
value &= 0xff;
printk(BIOS_SPEW, "spd rank size is %d\n", value);
- value = log2(value);
+ value = log2f(value);
if(value <=4 ) value += 8; // add back to 1G to high
value += (27-5); // make 128MB to the real lines
printk(BIOS_SPEW, " computed value is %d\n", value);
if( value != (sz->per_rank)) {
printk(BIOS_ERR, "Bad RANK Size -- value is 0x%x, and it should
be 0x%x\n", value, sz->per_rank);
- goto val_err;
+ printk(BIOS_ERR, "This error has been reduced to a warning for
now\n");
+// goto val_err;
}
goto out;
@@ -1112,7 +1114,7 @@
/* Chip selects can only be interleaved when there is
* more than one and their is a power of two of them.
*/
- bits = log2(chip_selects);
+ bits = log2c(chip_selects);
if (((1 << bits) != chip_selects) || (bits < 1) || (bits > 3)) {
//chip_selects max = 8
return 0;
}
@@ -1643,7 +1645,7 @@
printk(BIOS_DEBUG, "%s: 0x%x\n", "i:", i);
printk(BIOS_DEBUG, "%s: 0x%x\n", "\tlatencies:", latencies);
/* Compute the lowest cas latency supported */
- latency = log2(latencies) - 2;
+ latency = log2f(latencies) - 2;
/* Loop through and find a fast clock with a low latency */
for(index = 0; index < 3; index++, latency++) {
@@ -1716,7 +1718,7 @@
}
/* Compute the lowest cas latency supported */
- latency = log2(latencies) -2;
+ latency = log2f(latencies) -2;
/* Walk through searching for the selected latency */
for(index = 0; index < 3; index++, latency++) {
@@ -1832,7 +1834,7 @@
return -1;
}
- value = 6 - log2(value); //4-->4, 8-->3, 16-->2
+ value = 6 - log2f(value); //4-->4, 8-->3, 16-->2
clocks = meminfo->sz[i].per_rank - 27 + 2 - value;
Modified: coreboot-v3/southbridge/amd/amd8111/acpi.c
===================================================================
--- coreboot-v3/southbridge/amd/amd8111/acpi.c 2008-08-31 20:39:48 UTC (rev
853)
+++ coreboot-v3/southbridge/amd/amd8111/acpi.c 2008-09-01 02:44:08 UTC (rev
854)
@@ -185,8 +185,8 @@
resource = new_resource(dev, 0x58);
resource->base = 0;
resource->size = 256;
- resource->align = log2(256);
- resource->gran = log2(256);
+ resource->align = log2f(256);
+ resource->gran = log2f(256);
resource->limit = 65536;
resource->flags = IORESOURCE_IO;
resource->index = 0x58;
--
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