Revision: linuxbios@linuxbios.org--devel/freebios--devel--2.0--patch-56

Creator:  Yinghai Lu <yhlu@tyan.com>

remove junk in s2885 cache_as_ram_auto.c 


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1974 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 332 insertions, 0 deletions

diff --git a/src/mainboard/tyan/s4880/auto.c b/src/mainboard/tyan/s4880/auto.c
new file mode 100644
index 0000000000..fc1bf58e91
--- /dev/null
+++ b/src/mainboard/tyan/s4880/auto.c
@@ -0,0 +1,332 @@
+#define ASSEMBLY 1
+
+#include <stdint.h>
+#include <device/pci_def.h>
+#include <arch/io.h>
+#include <device/pnp_def.h>
+#include <arch/romcc_io.h>
+#include <cpu/x86/lapic.h>
+#include <arch/cpu.h>
+#include "option_table.h"
+#include "pc80/mc146818rtc_early.c"
+#include "pc80/serial.c"
+#include "arch/i386/lib/console.c"
+#include "ram/ramtest.c"
+#include "northbridge/amd/amdk8/incoherent_ht.c"
+#include "southbridge/amd/amd8111/amd8111_early_smbus.c"
+#include "northbridge/amd/amdk8/raminit.h"
+#include "cpu/amd/model_fxx/apic_timer.c"
+#include "lib/delay.c"
+#include "cpu/x86/lapic/boot_cpu.c"
+#include "northbridge/amd/amdk8/reset_test.c"
+#include "northbridge/amd/amdk8/debug.c"
+#include "northbridge/amd/amdk8/cpu_rev.c"
+#include "superio/winbond/w83627hf/w83627hf_early_serial.c"
+#include "cpu/amd/mtrr/amd_earlymtrr.c"
+#include "cpu/x86/bist.h"
+
+#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(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, 2), 0x04, 0);
+
+        set_bios_reset();
+        pci_write_config8(dev, 0x47, 1);
+}
+
+static void memreset_setup(void)
+{
+   if (is_cpu_pre_c0()) {
+        outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 16);  //REVC_MEMRST_EN=0
+   }
+   else {
+        outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 16);  //REVC_MEMRST_EN=1
+   }
+        outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 17); 
+}
+
+static void memreset(int controllers, const struct mem_controller *ctrl)
+{
+   if (is_cpu_pre_c0()) {
+        udelay(800);
+        outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17); //REVB_MEMRST_L=1
+        udelay(90);
+   }
+}
+
+#if 0
+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;
+}
+#endif
+
+static inline void activate_spd_rom(const struct mem_controller *ctrl)
+{
+#define SMBUS_HUB 0x18
+        unsigned device=(ctrl->channel0[0])>>8;
+        smbus_write_byte(SMBUS_HUB , 0x01, device);
+        smbus_write_byte(SMBUS_HUB , 0x03, 0);
+}
+
+static inline int spd_read_byte(unsigned device, unsigned address)
+{
+	return smbus_read_byte(device, address);
+}
+
+#include "northbridge/amd/amdk8/setup_resource_map.c"
+#include "northbridge/amd/amdk8/raminit.c"
+
+#include "northbridge/amd/amdk8/coherent_ht.c"
+#include "sdram/generic_sdram.c"
+
+ /* tyan does not want the default */
+#include "resourcemap.c"
+
+#if CONFIG_LOGICAL_CPUS==1
+#define SET_NB_CFG_54 1
+#include "cpu/amd/dualcore/dualcore.c"
+#endif
+
+#define FIRST_CPU  1
+#define SECOND_CPU 1
+
+#define THIRD_CPU  1 
+#define FOURTH_CPU 1 
+
+#define TOTAL_CPUS (FIRST_CPU + SECOND_CPU + THIRD_CPU + FOURTH_CPU)
+
+#define RC0 ((1<<1)<<8)
+#define RC1 ((1<<2)<<8)
+#define RC2 ((1<<3)<<8)
+#define RC3 ((1<<4)<<8)
+
+#define DIMM0 0x50
+#define DIMM1 0x51
+#define DIMM2 0x52
+#define DIMM3 0x53
+        
+static void main(unsigned long bist)
+{
+	static const struct mem_controller cpu[] = {
+#if FIRST_CPU
+                {
+                        .node_id = 0,
+                        .f0 = PCI_DEV(0, 0x18, 0),
+                        .f1 = PCI_DEV(0, 0x18, 1),
+                        .f2 = PCI_DEV(0, 0x18, 2),
+                        .f3 = PCI_DEV(0, 0x18, 3),
+                        .channel0 = { RC0|DIMM0, RC0|DIMM2, 0, 0 },
+                        .channel1 = { RC0|DIMM1, RC0|DIMM3, 0, 0 },
+                },
+#endif
+#if SECOND_CPU
+                {
+                        .node_id = 1,
+                        .f0 = PCI_DEV(0, 0x19, 0),
+                        .f1 = PCI_DEV(0, 0x19, 1),
+                        .f2 = PCI_DEV(0, 0x19, 2),
+                        .f3 = PCI_DEV(0, 0x19, 3),
+                        .channel0 = { RC1|DIMM0, 0 , 0, 0 },
+                        .channel1 = { RC1|DIMM1, 0, 0, 0 },
+
+                },
+#endif
+
+#if THIRD_CPU
+                {
+                        .node_id = 2,
+                        .f0 = PCI_DEV(0, 0x1a, 0),
+                        .f1 = PCI_DEV(0, 0x1a, 1),
+                        .f2 = PCI_DEV(0, 0x1a, 2),
+                        .f3 = PCI_DEV(0, 0x1a, 3),
+                        .channel0 = { RC2|DIMM0, 0, 0, 0 },
+                        .channel1 = { RC2|DIMM1, 0, 0, 0 },
+
+                },
+#endif
+#if FOURTH_CPU
+                {
+                        .node_id = 3,
+                        .f0 = PCI_DEV(0, 0x1b, 0),
+                        .f1 = PCI_DEV(0, 0x1b, 1),
+                        .f2 = PCI_DEV(0, 0x1b, 2),
+                        .f3 = PCI_DEV(0, 0x1b, 3),
+                        .channel0 = { RC3|DIMM0, 0, 0, 0 },
+                        .channel1 = { RC3|DIMM1, 0, 0, 0 },
+
+                },
+#endif
+	};
+	int i;
+        int needs_reset;
+#if CONFIG_LOGICAL_CPUS==1
+        struct node_core_id id;
+#else
+        unsigned nodeid;
+#endif
+
+        if (bist == 0) {
+                /* Skip this if there was a built in self test failure */
+                amd_early_mtrr_init();
+
+#if CONFIG_LOGICAL_CPUS==1
+                set_apicid_cpuid_lo();
+#endif
+
+                enable_lapic();
+                init_timer();
+
+#if CONFIG_LOGICAL_CPUS==1
+                id = get_node_core_id_x();
+                if(id.coreid == 0) {
+                        if (cpu_init_detected(id.nodeid)) {
+                                asm volatile ("jmp __cpu_reset");
+                        }
+                        distinguish_cpu_resets(id.nodeid);
+//                        start_other_core(id.nodeid);
+                }
+#else
+                nodeid = lapicid();
+                if (cpu_init_detected(nodeid)) {
+                        asm volatile ("jmp __cpu_reset");
+                }
+                distinguish_cpu_resets(nodeid);
+#endif
+
+                if (!boot_cpu()
+#if CONFIG_LOGICAL_CPUS==1 
+                        || (id.coreid != 0)
+#endif
+                ) {
+                        stop_this_cpu(); // it will stop all cores except core0 of cpu0
+                }
+        }
+
+        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);
+
+        setup_s4880_resource_map();
+
+        needs_reset = setup_coherent_ht_domain();
+
+#if CONFIG_LOGICAL_CPUS==1
+        // It is said that we should start core1 after all core0 launched
+        start_other_cores();
+#endif
+
+#if 0
+        needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0xc0);
+#else
+        // automatically set that for you, but you might meet tight space
+        needs_reset |= ht_setup_chains_x();
+#endif
+	
+        if (needs_reset) {
+                print_info("ht reset -\r\n");
+                soft_reset();
+        }
+	
+	enable_smbus();
+
+	memreset_setup();
+	sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu);
+
+}