ppc32: Rework the hooks for serial in the bootwrapper.

Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Tom Rini <trini@kernel.crashing.org>

arch/ppc/boot/common/misc-common.c

@@ -526,6 +526,11 @@ _dump_buf(unsigned char *p, int s)
  * on others it's an offset from a given location. -- Tom
  */
 
+void ISA_init(unsigned long base)
+{
+	ISA_io = (unsigned char *)base;
+}
+
 void
 outb(int port, unsigned char val)
 {

arch/ppc/boot/common/serial_stub.c

@@ -11,11 +11,6 @@
  * is" without any warranty of any kind, whether express or implied.
  */
 
-void __attribute__ ((weak))
-serial_fixups(void)
-{
-}
-
 unsigned long __attribute__ ((weak))
 serial_init(int chan, void *ignored)
 {

arch/ppc/boot/include/nonstdio.h

@@ -30,3 +30,5 @@ extern void puthex(unsigned long val);
 extern void puts(const char *);
 extern void udelay(long delay);
 extern unsigned char inb(int port);
+extern void board_isa_init(void);
+extern void ISA_init(unsigned long base);

arch/ppc/boot/simple/Makefile

@@ -73,7 +73,7 @@ zimageinitrd-$(CONFIG_OCOTEA)		:= zImage.initrd-TREE
 zimageinitrd-$(CONFIG_GEMINI)		:= zImage.initrd-STRIPELF
          end-$(CONFIG_GEMINI)		:= gemini
 
-     extra.o-$(CONFIG_K2)		:= legacy.o
+     extra.o-$(CONFIG_K2)		:= prepmap.o
          end-$(CONFIG_K2)		:= k2
    cacheflag-$(CONFIG_K2)		:= -include $(clear_L2_L3)
 
@@ -89,7 +89,7 @@ zimageinitrd-$(motorola)		:= zImage.initrd-PPLUS
          end-$(motorola)		:= pplus
 
 # Overrides previous assingment
-     extra.o-$(CONFIG_PPLUS)		:= legacy.o
+     extra.o-$(CONFIG_PPLUS)		:= prepmap.o
      extra.o-$(CONFIG_LOPEC)		:= mpc10x_memory.o
 
       zimage-$(pcore)			:= zImage-STRIPELF
@@ -100,7 +100,7 @@ zimageinitrd-$(pcore)			:= zImage.initrd-STRIPELF
 
       zimage-$(CONFIG_PPC_PREP)		:= zImage-PPLUS
 zimageinitrd-$(CONFIG_PPC_PREP)		:= zImage.initrd-PPLUS
-     extra.o-$(CONFIG_PPC_PREP)		:= legacy.o
+     extra.o-$(CONFIG_PPC_PREP)		:= prepmap.o
         misc-$(CONFIG_PPC_PREP)		+= misc-prep.o mpc10x_memory.o
          end-$(CONFIG_PPC_PREP)		:= prep
 

arch/ppc/boot/simple/chrpmap.S

-/*
- * arch/ppc/boot/simple/chrpmap.S
- *
- * Author: Tom Rini <trini@mvista.com>
- *
- * This will go and setup ISA_io to 0xFE00000 and return.
- */
-
-#include <asm/ppc_asm.h>
-
-	.text
-
-	.globl serial_fixups
-serial_fixups:
-	lis	r3,ISA_io@h	/* Load ISA_io */
-	ori	r3,r3,ISA_io@l
-	lis	r4,0xFE00	/* Load the value, 0xFE00000 */
-	stw	r4,0(r3)	/* store */
-	blr

arch/ppc/boot/simple/chrpmap.c

+/*
+ * 2004 (C) IBM. This file is licensed under the terms of the GNU General
+ * Public License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <nonstdio.h>
+
+void board_isa_init(void)
+{
+	ISA_init(0xFE000000);
+}

arch/ppc/boot/simple/legacy.S

-/*
- * arch/ppc/boot/simple/legacy.S
- *
- * Author: Tom Rini <trini@mvista.com>
- *
- * This will go and setup ISA_io to 0x8000000 and return.
- */
-
-#include <asm/ppc_asm.h>
-
-	.text
-
-	.globl serial_fixups
-serial_fixups:
-	lis	r3,ISA_io@h	/* Load ISA_io */
-	ori	r3,r3,ISA_io@l
-	lis	r4,0x8000	/* Load the value, 0x8000000 */
-	stw	r4,0(r3)	/* store */
-	blr

arch/ppc/boot/simple/misc-prep.c

@@ -88,6 +88,7 @@ load_kernel(unsigned long load_addr, int num_words, unsigned long cksum,
 		ofinit(OFW_interface);
 	}
 
+	board_isa_init();
 #if defined(CONFIG_VGA_CONSOLE)
 	vga_init((unsigned char *)0xC0000000);
 #endif /* CONFIG_VGA_CONSOLE */

arch/ppc/boot/simple/misc-spruce.c

@@ -26,7 +26,6 @@ extern unsigned long decompress_kernel(unsigned long load_addr, int num_words,
 /* Define some important locations of the Spruce. */
 #define SPRUCE_PCI_CONFIG_ADDR	0xfec00000
 #define SPRUCE_PCI_CONFIG_DATA	0xfec00004
-#define SPRUCE_ISA_IO_BASE	0xf8000000
 
 /* PCI configuration space access routines. */
 unsigned int *pci_config_address = (unsigned int *)SPRUCE_PCI_CONFIG_ADDR;
@@ -86,8 +85,6 @@ void cpc700_pcibios_write_config_dword(unsigned char bus, unsigned char dev_fn,
 	out_le32((unsigned *)pci_config_data, val);
 }
 
-unsigned long isa_io_base = SPRUCE_ISA_IO_BASE;
-
 #define PCNET32_WIO_RDP		0x10
 #define PCNET32_WIO_RAP		0x12
 #define PCNET32_WIO_RESET	0x14

arch/ppc/boot/simple/misc.c

@@ -97,7 +97,6 @@ decompress_kernel(unsigned long load_addr, int num_words, unsigned long cksum)
 	struct bi_record *rec;
 	unsigned long initrd_loc, TotalMemory = 0;
 
-	serial_fixups();
 #ifdef CONFIG_SERIAL_8250_CONSOLE
 	com_port = serial_init(0, NULL);
 #endif
@@ -268,10 +267,16 @@ decompress_kernel(unsigned long load_addr, int num_words, unsigned long cksum)
 	return rec;
 }
 
+void __attribute__ ((weak))
+board_isa_init(void)
+{
+}
+
 /* Allow decompress_kernel to be hooked into.  This is the default. */
 void * __attribute__ ((weak))
 load_kernel(unsigned long load_addr, int num_words, unsigned long cksum,
 		void *ign1, void *ign2)
 {
+		board_isa_init();
 		return decompress_kernel(load_addr, num_words, cksum);
 }

arch/ppc/boot/simple/prepmap.c

+/*
+ * 2004 (C) IBM. This file is licensed under the terms of the GNU General
+ * Public License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <nonstdio.h>
+
+void board_isa_init(void)
+{
+	ISA_init(0x80000000);
+}