- See Issue Tracker id-13 "lnxi-patch-13".
[coreboot.git] / src / mainboard / tyan / s4880 / auto.c
index b1a8c79fe3e4d2dbfbbf227c230bad6a30e434ab..bcabf22eef5b4cc54baa2dbc6a4e43da21e993f4 100644 (file)
 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
 #include "cpu/amd/mtrr/amd_earlymtrr.c"
 #include "cpu/x86/bist.h"
+#include "cpu/amd/dualcore/dualcore.c"
 
 #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, 2), 0x04, 3);
+
         set_bios_reset();
 
         /* enable cf9 */
-        pci_write_config8(PCI_DEV(0, 0x04, 3), 0x41, 0xf1);
+        pci_write_config8(dev, 0x41, 0xf1);
         /* reset */
         outb(0x0e, 0x0cf9);
 }
 
 static void soft_reset(void)
 {
-        set_bios_reset();
-        pci_write_config8(PCI_DEV(0, 0x04, 0), 0x47, 1);
-}
+        device_t dev;
+
+        /* Find the device */
+        dev = PCI_DEV(node_link_to_bus(0, 2), 0x04, 0);
 
-static void soft2_reset(void)
-{  
         set_bios_reset();
-        pci_write_config8(PCI_DEV(3, 0x04, 0), 0x47, 1);
+        pci_write_config8(dev, 0x47, 1);
 }
 
 static void memreset_setup(void)
@@ -69,63 +96,6 @@ static void memreset(int controllers, const struct mem_controller *ctrl)
    }
 }
 
-static unsigned int generate_row(uint8_t node, uint8_t row, uint8_t maxnodes)
-{
-       /* Routing Table Node i 
-        *
-        * F0: 0x40, 0x44, 0x48, 0x4c, 0x50, 0x54, 0x58, 0x5c 
-        *  i:    0,    1,    2,    3,    4,    5,    6,    7
-        *
-        * [ 0: 3] Request Route
-        *     [0] Route to this node
-        *     [1] Route to Link 0
-        *     [2] Route to Link 1
-        *     [3] Route to Link 2
-        * [11: 8] Response Route
-        *     [0] Route to this node
-        *     [1] Route to Link 0
-        *     [2] Route to Link 1
-        *     [3] Route to Link 2
-        * [19:16] Broadcast route
-        *     [0] Route to this node
-        *     [1] Route to Link 0
-        *     [2] Route to Link 1
-        *     [3] Route to Link 2
-        */
-        uint32_t ret=0x00010101; /* default row entry */
-
-/*
-            (L1)       (L2)     
-        CPU3-------------CPU1
-     (L0)|                |(L0)
-         |                |
-         |                |
-         |                |
-         |                |
-     (L0)|                |(L0)
-        CPU2-------------CPU0---------8131----------8111
-            (L2)       (L1)  (L2)       
-*/
-
-        /* Link0 of CPU0 to Link0 of CPU1 */
-        /* Link1 of CPU0 to Link2 of CPU2 */
-        /* Link2 of CPU1 to Link1 of CPU3 */
-        /* Link0 of CPU2 to Link0 of CPU3 */
-
-        static const unsigned int rows_4p[4][4] = {
-                { 0x00070101, 0x00010202, 0x00030404, 0x00010204 },
-                { 0x00010202, 0x000b0101, 0x00010208, 0x00030808 },
-                { 0x00030808, 0x00010208, 0x000b0101, 0x00010202 },
-                { 0x00010204, 0x00030404, 0x00010202, 0x00070101 }
-        };
-        
-        if (!(node>=maxnodes || row>=maxnodes)) {
-               ret=rows_4p[node][row];
-        }
-
-        return ret;
-}
-
 static inline void activate_spd_rom(const struct mem_controller *ctrl)
 {
 #define SMBUS_HUB 0x18
@@ -153,7 +123,8 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 #include "northbridge/amd/amdk8/coherent_ht.c"
 #include "sdram/generic_sdram.c"
 
-#include "resourcemap.c" /* tyan does not want the default */
+ /* tyan does not want the default */
+#include "resourcemap.c"
 
 #define FIRST_CPU  1
 #define SECOND_CPU 1
@@ -229,37 +200,22 @@ static void main(unsigned long bist)
         int needs_reset;
 
         if (bist == 0) {
-                /* Skip this if there was a built in self test failure */
-                amd_early_mtrr_init();
-                enable_lapic();
-                init_timer();
+               k8_init_and_stop_secondaries();
+        }
 
-                if (cpu_init_detected()) {
-#if 0
-                        asm volatile ("jmp __cpu_reset");
-#else                   
-                /* cpu reset also reset the memtroller ????
-                        need soft_reset to reset all except keep HT link freq and width */
-                        distinguish_cpu_resets();
-                        soft2_reset();
-#endif          
-                }
-                distinguish_cpu_resets();
-                if (!boot_cpu()) {
-                        stop_this_cpu();
-                }       
-        }               
-                        
         w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);
         uart_init();    
         console_init(); 
                 
         /* Halt if there was a built in self test failure */
-//      report_bist_failure(bist);
+       report_bist_failure(bist);
 
         setup_s4880_resource_map();
+
         needs_reset = setup_coherent_ht_domain();
-        needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0xc0);
+
+        needs_reset |= ht_setup_chains_x();
+       
         if (needs_reset) {
                 print_info("ht reset -\r\n");
                 soft_reset();
@@ -269,51 +225,8 @@ static void main(unsigned long bist)
        dump_pci_devices();
 #endif
        enable_smbus();
-#if 0
-
-//     activate_spd_rom(&cpu[0]); 
-//     dump_spd_registers(&cpu[0]);
 
-//     for(i=0;i<4;i++) {
-//             activate_spd_rom(&cpu[i]); 
-//             dump_smbus_registers();
-//     }
-        for(i=1;i<256;i=i*2) {
-                change_i2c_mux(i);
-                dump_smbus_registers();
-        }
-
-#endif
        memreset_setup();
        sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu);
 
-#if 0
-       dump_pci_devices();
-#endif
-#if 0
-       dump_pci_device(PCI_DEV(0, 0x18, 1));
-#endif
-
-       /* Check all of memory */
-#if 0
-       msr_t msr;
-       msr = rdmsr(TOP_MEM2);
-       print_debug("TOP_MEM2: ");
-       print_debug_hex32(msr.hi);
-       print_debug_hex32(msr.lo);
-       print_debug("\r\n");
-#endif
-/*
-#if  0
-       ram_check(0x00000000, msr.lo+(msr.hi<<32));
-#else
-#if TOTAL_CPUS < 2
-       // Check 16MB of memory @ 0
-       ram_check(0x00000000, 0x01000000);
-#else
-       // Check 16MB of memory @ 2GB 
-       ram_check(0x80000000, 0x81000000);
-#endif
-#endif
-*/
 }