i945: consolidate sb & nb early inits

Change-Id: I00c2c725de5b982a5e4f584b77b09017a5bc0a72
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7062
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins)

1 files changed, 4 insertions, 65 deletions

diff --git a/src/mainboard/apple/macbook21/romstage.c b/src/mainboard/apple/macbook21/romstage.c
index e7ff902a2d..7bec26bd1c 100644
--- a/src/mainboard/apple/macbook21/romstage.c
+++ b/src/mainboard/apple/macbook21/romstage.c
@@ -286,12 +286,9 @@ static void early_ich7_init(void)
 
 void main(unsigned long bist)
 {
-	u32 reg32;
-	int boot_mode = 0;
-	int cbmem_was_initted;
+	int s3resume = 0;
 	const u8 spd_addrmap[2 * DIMM_SOCKETS] = { 0x50, 0x51, 0x52, 0x53 };
 
-
 	timestamp_init(get_initial_timestamp());
 	timestamp_add_now(TS_START_ROMSTAGE);
 
@@ -324,22 +321,7 @@ void main(unsigned long bist)
 	 */
 	i945_early_initialization();
 
-	/* Read PM1_CNT */
-	reg32 = inl(DEFAULT_PMBASE + 0x04);
-	printk(BIOS_DEBUG, "PM1_CNT: %08x\n", reg32);
-	if (((reg32 >> 10) & 7) == 5) {
-#if CONFIG_HAVE_ACPI_RESUME
-		printk(BIOS_DEBUG, "Resume from S3 detected.\n");
-		boot_mode = 2;
-		/* Clear SLP_TYPE. This will break stage2 but
-		 * we care for that when we get there.
-		 */
-		outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04);
-
-#else
-		printk(BIOS_DEBUG, "Resume from S3 detected, but disabled.\n");
-#endif
-	}
+	s3resume = southbridge_detect_s3_resume();
 
 	/* Enable SPD ROMs and DDR-II DRAM */
 	enable_smbus();
@@ -349,7 +331,7 @@ void main(unsigned long bist)
 #endif
 
 	timestamp_add_now(TS_BEFORE_INITRAM);
-	sdram_initialize(boot_mode, spd_addrmap);
+	sdram_initialize(s3resume ? 2 : 0, spd_addrmap);
 	timestamp_add_now(TS_AFTER_INITRAM);
 
 	/* Perform some initialization that must run before stage2 */
@@ -364,50 +346,7 @@ void main(unsigned long bist)
 	fixup_i945_errata();
 
 	/* Initialize the internal PCIe links before we go into stage2 */
-	i945_late_initialization();
-
-#if !CONFIG_HAVE_ACPI_RESUME
-#if CONFIG_DEFAULT_CONSOLE_LOGLEVEL > 8
-#if CONFIG_DEBUG_RAM_SETUP
-	sdram_dump_mchbar_registers();
-
-	{
-		/* This will not work if TSEG is in place! */
-		u32 tom = pci_read_config32(PCI_DEV(0, 2, 0), 0x5c);
-
-		printk(BIOS_DEBUG, "TOM: 0x%08x\n", tom);
-		ram_check(0x00000000, 0x000a0000);
-		ram_check(0x00100000, tom);
-	}
-#endif
-#endif
-#endif
-
-	MCHBAR16(SSKPD) = 0xCAFE;
-
-	cbmem_was_initted = !cbmem_recovery(boot_mode==2);
-
-#if CONFIG_HAVE_ACPI_RESUME
-	/* If there is no high memory area, we didn't boot before, so
-	 * this is not a resume. In that case we just create the cbmem toc.
-	 */
-	if ((boot_mode == 2) && cbmem_was_initted) {
-		void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
-
-		/* copy 1MB - 64K to high tables ram_base to prevent memory corruption
-		 * through stage 2. We could keep stuff like stack and heap in high tables
-		 * memory completely, but that's a wonderful clean up task for another
-		 * day.
-		 */
-		if (resume_backup_memory)
-			memcpy(resume_backup_memory, (void *)CONFIG_RAMBASE,
-			       HIGH_MEMORY_SAVE);
-
-		/* Magic for S3 resume */
-		pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD,
-				   SKPAD_ACPI_S3_MAGIC);
-	}
-#endif
+	i945_late_initialization(s3resume);
 
 	timestamp_add_now(TS_END_ROMSTAGE);