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authorYinghai Lu <yinghailu@gmail.com>2005-01-25 02:17:44 +0000
committerYinghai Lu <yinghailu@gmail.com>2005-01-25 02:17:44 +0000
commit898061220b40a9af688db905689a2789619608c3 (patch)
tree6ec4fa980a9d2b70cc4c4d7333bbabc25a742fed /src
parent6a2798d28be226d4b037dd1f694d0434034b0eea (diff)
downloadcoreboot-898061220b40a9af688db905689a2789619608c3.tar.xz
-Make 1, 2, 4, 6 installed cpu works.
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1898 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
-rw-r--r--src/northbridge/amd/amdk8/coherent_ht.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/src/northbridge/amd/amdk8/coherent_ht.c b/src/northbridge/amd/amdk8/coherent_ht.c
index db6ffc8128..d22a171945 100644
--- a/src/northbridge/amd/amdk8/coherent_ht.c
+++ b/src/northbridge/amd/amdk8/coherent_ht.c
@@ -91,9 +91,7 @@ typedef uint32_t u32;
static inline void print_linkn (const char *strval, uint8_t byteval)
{
-#if 1
print_debug(strval); print_debug_hex8(byteval); print_debug("\r\n");
-#endif
}
static void disable_probes(void)
@@ -133,16 +131,17 @@ static void disable_probes(void)
}
+
#ifndef ENABLE_APIC_EXT_ID
#define ENABLE_APIC_EXT_ID 0
#endif
-static void enable_apic_ext_id(u8 node)
+static void enable_apic_ext_id(u8 node)
{
#if ENABLE_APIC_EXT_ID==1
#warning "FIXME Is the right place to enable apic ext id here?"
- u32 val;
+ u32 val;
val = pci_read_config32(NODE_HT(node), 0x68);
val |= (HTTC_APIC_EXT_SPUR | HTTC_APIC_EXT_ID | HTTC_APIC_EXT_BRD_CST);
@@ -150,6 +149,8 @@ static void enable_apic_ext_id(u8 node)
#endif
}
+
+
static void enable_routing(u8 node)
{
u32 val;
@@ -179,7 +180,9 @@ static void enable_routing(u8 node)
/* Enable routing table */
print_spew("Enabling routing table for node ");
print_spew_hex8(node);
-
+
+// enable_apic_ext_id(node);
+
val=pci_read_config32(NODE_HT(node), 0x6c);
val &= ~((1<<1)|(1<<0));
pci_write_config32(NODE_HT(node), 0x6c, val);
@@ -683,7 +686,6 @@ static struct setup_smp_result setup_smp2(void)
NODE_HT(0), 0x80 + link_to_register(link_connection(0,1)),
NODE_HT(1), 0x80 + link_to_register(link_connection(1,0)) );
-
return result;
}
#endif /*CONFIG_MAX_CPUS > 1 */
@@ -850,7 +852,7 @@ static struct setup_smp_result setup_smp4(int needs_reset)
};
result.needs_reset = optimize_connection_group(opt_conn4, sizeof(opt_conn4)/sizeof(opt_conn4[0]));
-
+
return result;
}
@@ -1390,15 +1392,18 @@ static struct setup_smp_result setup_smp(void)
result = setup_smp2();
#if CONFIG_MAX_CPUS > 2
- result = setup_smp4(result.needs_reset);
+ if(result.nodes == 2 )
+ result = setup_smp4(result.needs_reset);
#endif
#if CONFIG_MAX_CPUS > 4
- result = setup_smp6(result.needs_reset);
+ if(result.nodes == 4)
+ result = setup_smp6(result.needs_reset);
#endif
#if CONFIG_MAX_CPUS > 6
- result = setup_smp6(result.needs_reset);
+ if(result.nodes == 6)
+ result = setup_smp8(result.needs_reset);
#endif
print_debug_hex8(result.nodes);
@@ -1552,7 +1557,7 @@ static int apply_cpu_errata_fixes(unsigned nodes, int needs_reset)
}
}
- else {
+ else if(is_cpu_pre_d0()) { // d0 later don't need it
uint32_t cmd_ref;
/* Errata 98
* Set Clk Ramp Hystersis to 7
@@ -1585,7 +1590,7 @@ static int optimize_link_read_pointers(unsigned nodes, int needs_reset)
/* This works on an Athlon64 because unimplemented links return 0 */
reg = 0x98 + (link * 0x20);
link_type = pci_read_config32(f0_dev, reg);
- if ((link_type & 7) == 3) {
+ if ((link_type & 7) == 3) { /* only handle coherent link here*/
cmd &= ~(0xff << (link *8));
cmd |= 0x25 << (link *8);
}