eric patch

        1. x86_setup_mtrr take address bit.
        2. generic ht, pcix, pcie beidge...
        3. scan bus and reset_bus
        4. ht read ctrl to decide if the ht chain
           is ready
        5. Intel e7520 and e7525 support
        6. new ich5r support
        7. intel sb 6300 support.

yhlu patch
	1. split x86_setup_mtrrs to fixed and var
	2. if (resource->flags & IORESOURCE_FIXED ) return; in device.c pick_largest_resource
	3. in_conherent.c K8_SCAN_PCI_BUS


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1982 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

5 files changed, 174 insertions, 26 deletions

diff --git a/src/mainboard/tyan/s2875/Config.lb b/src/mainboard/tyan/s2875/Config.lb
index f042467f5c..bd61fcb34f 100644
--- a/src/mainboard/tyan/s2875/Config.lb
+++ b/src/mainboard/tyan/s2875/Config.lb
@@ -39,11 +39,34 @@ arch i386 end
 ##
 
 driver mainboard.o
+
+#dir /drivers/si/3114
+
 if HAVE_MP_TABLE object mptable.o end
 if HAVE_PIRQ_TABLE object irq_tables.o end
-#object reset.o
+object reset.o
+
+if USE_DCACHE_RAM
 
+if CONFIG_USE_INIT
+
+makerule ./auto.o
+        depends "$(MAINBOARD)/cache_as_ram_auto.c option_table.h"
+        action "$(CC) -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/cache_as_ram_auto.c -Os -nostdinc -nostdlib -fno-builtin -Wall -c -o auto.o" 
+end
 
+else    
+                
+makerule ./auto.inc
+        depends "$(MAINBOARD)/cache_as_ram_auto.c option_table.h"
+        action "$(CC) -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/cache_as_ram_auto.c -Os -nostdinc -nostdlib -fno-builtin -Wall -c -S -o $@"         
+        action "perl -e 's/.rodata/.rom.data/g' -pi $@"
+        action "perl -e 's/.text/.section .rom.text/g' -pi $@"
+end
+
+end
+else
+  
 ##
 ## Romcc output
 ##
@@ -66,13 +89,22 @@ makerule ./auto.inc
         action  "./romcc    -mcpu=k8 -O2 -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
 end
 
+end
 ##
 ## Build our 16 bit and 32 bit linuxBIOS entry code
 ##
 mainboardinit cpu/x86/16bit/entry16.inc
 mainboardinit cpu/x86/32bit/entry32.inc
 ldscript /cpu/x86/16bit/entry16.lds
-ldscript /cpu/x86/32bit/entry32.lds
+if USE_DCACHE_RAM
+        if CONFIG_USE_INIT
+                ldscript /cpu/x86/32bit/entry32.lds
+        end
+
+        if CONFIG_USE_INIT
+                ldscript      /cpu/amd/car/cache_as_ram.lds
+        end
+end
 
 ##
 ## Build our reset vector (This is where linuxBIOS is entered)
@@ -85,8 +117,11 @@ else
 	ldscript /cpu/x86/32bit/reset32.lds 
 end
 
+if USE_DCACHE_RAM
+else
 ### Should this be in the northbridge code?
 mainboardinit arch/i386/lib/cpu_reset.inc
+end
 
 ##
 ## Include an id string (For safe flashing)
@@ -94,14 +129,25 @@ mainboardinit arch/i386/lib/cpu_reset.inc
 mainboardinit arch/i386/lib/id.inc
 ldscript /arch/i386/lib/id.lds
 
+if USE_DCACHE_RAM
+##
+## Setup Cache-As-Ram
+##
+mainboardinit cpu/amd/car/cache_as_ram.inc
+end
+
 ###
 ### This is the early phase of linuxBIOS startup 
 ### Things are delicate and we test to see if we should
 ### failover to another image.
 ###
 if USE_FALLBACK_IMAGE
-	ldscript /arch/i386/lib/failover.lds 
-	mainboardinit ./failover.inc
+if USE_DCACHE_RAM
+       ldscript /arch/i386/lib/failover.lds
+else
+       ldscript /arch/i386/lib/failover.lds
+        mainboardinit ./failover.inc
+end
 end
 
 ###
@@ -111,6 +157,19 @@ end
 ##
 ## Setup RAM
 ##
+if USE_DCACHE_RAM
+
+if CONFIG_USE_INIT
+initobject auto.o
+else
+mainboardinit ./auto.inc
+end
+
+else
+
+##
+## Setup RAM
+##
 mainboardinit cpu/x86/fpu/enable_fpu.inc
 mainboardinit cpu/x86/mmx/enable_mmx.inc
 mainboardinit cpu/x86/sse/enable_sse.inc
@@ -118,11 +177,13 @@ mainboardinit ./auto.inc
 mainboardinit cpu/x86/sse/disable_sse.inc
 mainboardinit cpu/x86/mmx/disable_mmx.inc
 
+end
+
 ##
 ## Include the secondary Configuration files 
 ##
 if CONFIG_CHIP_NAME
-        config chip.h
+	config chip.h
 end
 
 # sample config for tyan/s2875
diff --git a/src/mainboard/tyan/s2875/Options.lb b/src/mainboard/tyan/s2875/Options.lb
index 5851318be6..a584d1b436 100644
--- a/src/mainboard/tyan/s2875/Options.lb
+++ b/src/mainboard/tyan/s2875/Options.lb
@@ -3,9 +3,6 @@ uses HAVE_PIRQ_TABLE
 uses USE_FALLBACK_IMAGE
 uses HAVE_FALLBACK_BOOT
 uses HAVE_HARD_RESET
-uses HARD_RESET_BUS
-uses HARD_RESET_DEVICE
-uses HARD_RESET_FUNCTION
 uses IRQ_SLOT_COUNT
 uses HAVE_OPTION_TABLE
 uses CONFIG_MAX_CPUS
@@ -47,6 +44,7 @@ uses MAINBOARD_POWER_ON_AFTER_POWER_FAIL
 uses CONFIG_CONSOLE_SERIAL8250
 uses HAVE_INIT_TIMER
 uses CONFIG_GDB_STUB
+uses CONFIG_GDB_STUB
 uses CROSS_COMPILE
 uses CC
 uses HOSTCC
@@ -56,6 +54,9 @@ uses CONFIG_CONSOLE_VGA
 uses CONFIG_PCI_ROM_RUN
 uses K8_E0_MEM_HOLE_SIZEK
 
+uses USE_DCACHE_RAM
+uses DCACHE_RAM_BASE
+uses DCACHE_RAM_SIZE
 uses CONFIG_USE_INIT
 
 ###
@@ -83,13 +84,6 @@ default HAVE_FALLBACK_BOOT=1
 default HAVE_HARD_RESET=1
 
 ##
-## Funky hard reset implementation
-## 
-default HARD_RESET_BUS=1
-default HARD_RESET_DEVICE=5
-default HARD_RESET_FUNCTION=0
-
-##
 ## Build code to export a programmable irq routing table
 ##
 default HAVE_PIRQ_TABLE=1
@@ -118,16 +112,28 @@ default LB_CKS_LOC=123
 ## Only worry about 2 micro processors
 ##
 default CONFIG_SMP=1
-default CONFIG_MAX_CPUS=2
+default CONFIG_MAX_CPUS=4
 default CONFIG_MAX_PHYSICAL_CPUS=2
-default CONFIG_LOGICAL_CPUS=0
+default CONFIG_LOGICAL_CPUS=1
+
+#CHIP_NAME ?
+default CONFIG_CHIP_NAME=1
 
 #1G memory hole
 default K8_E0_MEM_HOLE_SIZEK=0x100000
 
 #VGA Console
-#default CONFIG_CONSOLE_VGA=1
-#default CONFIG_PCI_ROM_RUN=1
+default CONFIG_CONSOLE_VGA=1
+default CONFIG_PCI_ROM_RUN=1
+
+
+##
+## enable CACHE_AS_RAM specifics
+##
+default USE_DCACHE_RAM=1
+default DCACHE_RAM_BASE=0xcf000
+default DCACHE_RAM_SIZE=0x1000
+default CONFIG_USE_INIT=1
 
 ##
 ## Build code to setup a generic IOAPIC
diff --git a/src/mainboard/tyan/s2875/auto.c b/src/mainboard/tyan/s2875/auto.c
index 1b055bf2ec..7b75db20ab 100644
--- a/src/mainboard/tyan/s2875/auto.c
+++ b/src/mainboard/tyan/s2875/auto.c
@@ -27,20 +27,52 @@
  
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 
+/* Look up a which bus a given node/link combination is on.
+ * return 0 when we can't find the answer.
+ */
+static unsigned node_link_to_bus(unsigned node, unsigned link)
+{
+        unsigned reg;
+        
+        for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
+                unsigned config_map;
+                config_map = pci_read_config32(PCI_DEV(0, 0x18, 1), reg);
+                if ((config_map & 3) != 3) {
+                        continue; 
+                }       
+                if ((((config_map >> 4) & 7) == node) &&
+                        (((config_map >> 8) & 3) == link))
+                {       
+                        return (config_map >> 16) & 0xff;
+                }       
+        }       
+        return 0;
+}       
+
 static void hard_reset(void)
 {
+        device_t dev;
+
+        /* Find the device */
+        dev = PCI_DEV(node_link_to_bus(0, 0), 0x04, 3);
+
         set_bios_reset();
 
         /* enable cf9 */
-        pci_write_config8(PCI_DEV(0, 0x05, 3), 0x41, 0xf1);
+        pci_write_config8(dev, 0x41, 0xf1);
         /* reset */
         outb(0x0e, 0x0cf9);
 }
 
 static void soft_reset(void)
 {
+        device_t dev;
+
+        /* Find the device */
+        dev = PCI_DEV(node_link_to_bus(0, 0), 0x04, 0);
+
         set_bios_reset();
-        pci_write_config8(PCI_DEV(0, 0x05, 0), 0x47, 1);
+        pci_write_config8(dev, 0x47, 1);
 }
 
 static void memreset_setup(void)
@@ -141,6 +173,7 @@ static void main(unsigned long bist)
                                 asm volatile ("jmp __cpu_reset");
                         }
                         distinguish_cpu_resets(id.nodeid);
+//                        start_other_core(id.nodeid);
                 }
 #else
                 nodeid = lapicid();
@@ -155,7 +188,7 @@ static void main(unsigned long bist)
                         || (id.coreid != 0)
 #endif
                 ) {
-                        stop_this_cpu(); 
+                        stop_this_cpu(); // it will stop all cores except core0 of cpu0
                 }
         }
 
diff --git a/src/mainboard/tyan/s2875/mptable.c b/src/mainboard/tyan/s2875/mptable.c
index 9b93decd80..394410b5ba 100644
--- a/src/mainboard/tyan/s2875/mptable.c
+++ b/src/mainboard/tyan/s2875/mptable.c
@@ -7,6 +7,40 @@
 #include <cpu/amd/dualcore.h>
 #endif
 
+static unsigned node_link_to_bus(unsigned node, unsigned link)
+{
+        device_t dev;
+        unsigned reg;
+
+        dev = dev_find_slot(0, PCI_DEVFN(0x18, 1));
+        if (!dev) {
+                return 0;
+        }
+        for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
+                uint32_t config_map;
+                unsigned dst_node;
+                unsigned dst_link;
+                unsigned bus_base;
+                config_map = pci_read_config32(dev, reg);
+                if ((config_map & 3) != 3) {
+                        continue;
+                }
+                dst_node = (config_map >> 4) & 7;
+                dst_link = (config_map >> 8) & 3;
+                bus_base = (config_map >> 16) & 0xff;
+#if 0                           
+                printk_debug("node.link=bus: %d.%d=%d 0x%2x->0x%08x\n",
+                        dst_node, dst_link, bus_base,
+                        reg, config_map);
+#endif
+                if ((dst_node == node) && (dst_link == link))
+                {
+                        return bus_base;
+                }
+        }
+        return 0;
+}
+
 void *smp_write_config_table(void *v)
 {
         static const char sig[4] = "PCMP";
@@ -16,6 +50,7 @@ void *smp_write_config_table(void *v)
 
         unsigned char bus_num;
         unsigned char bus_isa;
+	unsigned char bus_chain_0;
         unsigned char bus_8111_1;
 	unsigned char bus_8151_1;
         unsigned apicid_base;
@@ -43,8 +78,15 @@ void *smp_write_config_table(void *v)
         {
                 device_t dev;
 
+                /* HT chain 0 */
+                bus_chain_0 = node_link_to_bus(0, 0);
+                if (bus_chain_0 == 0) {
+                        printk_debug("ERROR - cound not find bus for node 0 chain 0, using defaults\n");
+                        bus_chain_0 = 1;
+                }
+
                 /* 8111 */
-                dev = dev_find_slot(1, PCI_DEVFN(0x04,0));
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x04,0));
                 if (dev) {
                         bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
                         bus_isa    = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
@@ -58,7 +100,7 @@ void *smp_write_config_table(void *v)
                         bus_isa = 4;
                 }
 	               /* 8151 */
-                dev = dev_find_slot(1, PCI_DEVFN(0x02,0));
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x02,0));
                 if (dev) {
                         bus_8151_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
                         printk_debug("bus_8151_1=%d\n",bus_8151_1);
@@ -105,9 +147,9 @@ void *smp_write_config_table(void *v)
 
 
 //??? What
-        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x1, (5<<2)|3, apicid_8111, 0x13);
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_chain_0, (5<<2)|3, apicid_8111, 0x13);
 //Onboard AMD AC97 Audio ???
-        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x1, (5<<2)|1, apicid_8111, 0x11);
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_chain_0, (5<<2)|1, apicid_8111, 0x11);
 // Onboard AMD USB
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (0<<2)|3, apicid_8111, 0x13);
 
diff --git a/src/mainboard/tyan/s2875/reset.c b/src/mainboard/tyan/s2875/reset.c
new file mode 100644
index 0000000000..3db3956ec6
--- /dev/null
+++ b/src/mainboard/tyan/s2875/reset.c
@@ -0,0 +1,6 @@
+#include "../../../southbridge/amd/amd8111/amd8111_reset.c"
+
+void hard_reset(void)
+{
+	amd8111_hard_reset(0, 0);
+}