Add tinybootblock support for broadcom/bcm5785.

In the bootblock, 4MB of ROM are mapped instead of the
default 1MB

Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Myles Watson <mylesgw@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5580 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/southbridge/broadcom/bcm5785/Kconfig

@@ -1,2 +1,8 @@
 config SOUTHBRIDGE_BROADCOM_BCM5785
 	bool
+	select HAVE_HARD_RESET
+
+config BOOTBLOCK_SOUTHBRIDGE_INIT
+	string
+	default "southbridge/broadcom/bcm5785/bootblock.c"
+	depends on SOUTHBRIDGE_BROADCOM_BCM5785

src/southbridge/broadcom/bcm5785/bcm5785_early_setup.c

@@ -4,20 +4,7 @@
  */
 
 #include <reset.h>
-static void bcm5785_enable_rom(void)
+#include "bcm5785_enable_rom.c"
-{
-        unsigned char byte;
-        device_t addr;
-
-        /* Enable 4MB rom access at 0xFFC00000 - 0xFFFFFFFF */
-        /* Locate the BCM 5785 SB PCI Main */
-        addr = pci_locate_device(PCI_ID(0x1166, 0x0205), 0); // 0x0201?
-
-        /* Set the 4MB enable bit bit */
-        byte = pci_read_config8(addr, 0x41);
-        byte |= 0x0e;
-        pci_write_config8(addr, 0x41, byte);
-}
 
 static void bcm5785_enable_lpc(void)
 {

src/southbridge/broadcom/bcm5785/bcm5785_enable_rom.c

@@ -0,0 +1,14 @@
+static void bcm5785_enable_rom(void)
+{
+	unsigned char byte;
+	device_t addr;
+
+	/* Enable 4MB rom access at 0xFFC00000 - 0xFFFFFFFF */
+	/* Locate the BCM 5785 SB PCI Main */
+	addr = pci_locate_device(PCI_ID(0x1166, 0x0205), 0); // 0x0201?
+
+	/* Set the 4MB enable bit bit */
+	byte = pci_read_config8(addr, 0x41);
+	byte |= 0x0e;
+	pci_write_config8(addr, 0x41, byte);
+}

src/southbridge/broadcom/bcm5785/bootblock.c

@@ -0,0 +1,5 @@
+#include "bcm5785_enable_rom.c"
+
+static void bootblock_southbridge_init(void) {
+        bcm5785_enable_rom();
+}