Merging patches from Yinghai Lu (fb2_s4882_changes.diff.bz2):

- new motherboard: Tyan s4882
- minor changes to 2880, s2881, s2885, s4880


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1474 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 277 insertions, 0 deletions

diff --git a/src/mainboard/tyan/s4882/auto.c b/src/mainboard/tyan/s4882/auto.c
new file mode 100644
index 0000000000..bbf1df9927
--- /dev/null
+++ b/src/mainboard/tyan/s4882/auto.c
@@ -0,0 +1,277 @@
+#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 <arch/smp/lapic.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/k8/apic_timer.c"
+#include "lib/delay.c"
+#include "cpu/p6/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"
+
+#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
+
+static void hard_reset(void)
+{
+        set_bios_reset();
+
+        /* enable cf9 */
+        pci_write_config8(PCI_DEV(0, 0x04, 3), 0x41, 0xf1);
+        /* reset */
+        outb(0x0e, 0x0cf9);
+}
+
+static void soft_reset(void)
+{
+        set_bios_reset();
+        pci_write_config8(PCI_DEV(0, 0x04, 0), 0x47, 1);
+}
+
+
+#define REV_B_RESET 0
+static void memreset_setup(void)
+{
+#if REV_B_RESET==1
+        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
+#endif
+        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)
+{
+        udelay(800);
+#if REV_B_RESET==1
+        outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17); //REVB_MEMRST_L=1
+#endif
+        udelay(90);
+}
+
+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 */
+
+
+        static const unsigned int rows_4p[4][4] = {
+                { 0x000b0101, 0x00010202, 0x00030808, 0x00010208 },
+                { 0x00010202, 0x00070101, 0x00010204, 0x00030404 },
+                { 0x00030404, 0x00010204, 0x00070101, 0x00010202 },
+                { 0x00010208, 0x00030808, 0x00010202, 0x000b0101 }
+        };
+        
+        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
+        unsigned device=(ctrl->channel0[0])>>8;
+        smbus_write_byte(SMBUS_HUB , 0x01, device);
+        smbus_write_byte(SMBUS_HUB , 0x03, 0);
+}
+#if 0
+static inline void change_i2c_mux(unsigned device)
+{
+#define SMBUS_HUB 0x18
+        smbus_write_byte(SMBUS_HUB , 0x01, device);
+        smbus_write_byte(SMBUS_HUB , 0x03, 0);
+}
+#endif
+
+static inline int spd_read_byte(unsigned device, unsigned address)
+{
+	return smbus_read_byte(device, address);
+}
+
+#include "northbridge/amd/amdk8/raminit.c"
+
+#include "northbridge/amd/amdk8/coherent_ht.c"
+#include "sdram/generic_sdram.c"
+
+#include "resourcemap.c" /* tyan does not want the default */
+
+#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(void)
+{
+	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, RC1|DIMM2 , 0, 0 },
+                        .channel1 = { RC1|DIMM1, RC1|DIMM3 , 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, RC2|DIMM2, 0, 0 },
+                        .channel1 = { RC2|DIMM1, RC2|DIMM3, 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, RC3|DIMM2, 0, 0 },
+                        .channel1 = { RC3|DIMM1, RC3|DIMM3, 0, 0 },
+
+                },
+#endif
+	};
+	int i;
+        int needs_reset;
+        enable_lapic();
+        init_timer();
+        if (cpu_init_detected()) {
+                asm("jmp __cpu_reset");
+        }
+        distinguish_cpu_resets();
+        if (!boot_cpu()) {
+                stop_this_cpu();
+        }
+        w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);
+        uart_init();
+        console_init();
+        setup_s4882_resource_map();
+        needs_reset = setup_coherent_ht_domain();
+        needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0xa0);
+#if 0
+        dump_pci_device(PCI_DEV(0, 4, 0));
+#endif
+        if (needs_reset) {
+                print_info("ht reset -");
+                soft_reset();
+        }
+	
+#if 0
+	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
+*/
+}