[PATCH] add STB810 support (Philips PNX8550-based)

Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/Kconfig

@@ -461,6 +461,11 @@ config PNX8550_JBS
 	select PNX8550
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 
+config PNX8550_STB810
+	bool "Support for Philips PNX8550 based STB810 board"
+	select PNX8550
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+
 config DDB5477
 	bool "NEC DDB Vrc-5477"
 	select DDB5XXX_COMMON

arch/mips/Makefile

@@ -463,6 +463,11 @@ libs-$(CONFIG_PNX8550_JBS)	+= arch/mips/philips/pnx8550/jbs/
 #cflags-$(CONFIG_PNX8550_JBS)	+= -Iinclude/asm-mips/mach-pnx8550
 load-$(CONFIG_PNX8550_JBS)	+= 0xffffffff80060000
 
+# Philips PNX8550 STB810 board
+#
+libs-$(CONFIG_PNX8550_STB810)	+= arch/mips/philips/pnx8550/stb810/
+load-$(CONFIG_PNX8550_STB810)	+= 0xffffffff80060000
+
 # NEC EMMA2RH boards
 #
 core-$(CONFIG_EMMA2RH)          += arch/mips/emma2rh/common/

arch/mips/pci/fixup-pnx8550.c

@@ -33,7 +33,7 @@
 #define	DBG(x...)
 #endif
 
-extern char irq_tab_jbs[][5];
+extern char pnx8550_irq_tab[][5];
 
 void __init pcibios_fixup_resources(struct pci_dev *dev)
 {
@@ -47,7 +47,7 @@ void __init pcibios_fixup(void)
 
 int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 {
-	return irq_tab_jbs[slot][pin];
+	return pnx8550_irq_tab[slot][pin];
 }
 
 /* Do platform specific device initialization at pci_enable_device() time */

arch/mips/philips/pnx8550/common/prom.c

@@ -35,23 +35,15 @@ char * prom_getcmdline(void)
 	return &(arcs_cmdline[0]);
 }
 
-void  prom_init_cmdline(void)
+void __init prom_init_cmdline(void)
 {
-	char *cp;
-	int actr;
+	int i;
 
-	actr = 1; /* Always ignore argv[0] */
-
-	cp = &(arcs_cmdline[0]);
-	while(actr < prom_argc) {
-	        strcpy(cp, prom_argv[actr]);
-		cp += strlen(prom_argv[actr]);
-		*cp++ = ' ';
-		actr++;
+	arcs_cmdline[0] = '\0';
+	for (i = 0; i < prom_argc; i++) {
+		strcat(arcs_cmdline, prom_argv[i]);
+		strcat(arcs_cmdline, " ");
 	}
-	if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
-		--cp;
-	*cp = '\0';
 }
 
 char *prom_getenv(char *envname)

arch/mips/philips/pnx8550/jbs/irqmap.c

@@ -28,9 +28,9 @@
 #include <linux/init.h>
 #include <int.h>
 
-char irq_tab_jbs[][5] __initdata = {
- [8] =	{ -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
- [9] =	{ -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
- [17] =	{ -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
+char pnx8550_irq_tab[][5] __initdata = {
+	[8]	= { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
+	[9]	= { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
+	[17]	= { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
 };
 

arch/mips/philips/pnx8550/stb810/Makefile

@@ -0,0 +1,4 @@
+
+# Makefile for the Philips STB810 Board.
+
+lib-y := prom_init.o board_setup.o irqmap.o

arch/mips/philips/pnx8550/stb810/board_setup.c

@@ -0,0 +1,49 @@
+/*
+ *  STB810 specific board startup routines.
+ *
+ *  Based on the arch/mips/philips/pnx8550/jbs/board_setup.c
+ *
+ *  Author: MontaVista Software, Inc.
+ *          source@mvista.com
+ *
+ *  Copyright 2005 MontaVista Software Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the
+ *  Free Software Foundation; either version 2 of the License, or (at your
+ *  option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/mm.h>
+#include <linux/console.h>
+#include <linux/mc146818rtc.h>
+#include <linux/delay.h>
+
+#include <asm/cpu.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/mipsregs.h>
+#include <asm/reboot.h>
+#include <asm/pgtable.h>
+
+#include <glb.h>
+
+void __init board_setup(void)
+{
+	unsigned long config0, configpr;
+
+	config0 = read_c0_config();
+
+	/* clear all three cache coherency fields */
+	config0 &= ~(0x7 | (7<<25) | (7<<28));
+	config0 |= (CONF_CM_DEFAULT | (CONF_CM_DEFAULT<<25) |
+			(CONF_CM_DEFAULT<<28));
+	write_c0_config(config0);
+
+	configpr = read_c0_config7();
+	configpr |= (1<<19); /* enable tlb */
+	write_c0_config7(configpr);
+}

arch/mips/philips/pnx8550/stb810/irqmap.c

@@ -0,0 +1,23 @@
+/*
+ *  Philips STB810 board irqmap.
+ *
+ *  Author: MontaVista Software, Inc.
+ *          source@mvista.com
+ *
+ *  Copyright 2005 MontaVista Software Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the
+ *  Free Software Foundation; either version 2 of the License, or (at your
+ *  option) any later version.
+ */
+
+#include <linux/init.h>
+#include <int.h>
+
+char pnx8550_irq_tab[][5] __initdata = {
+	[8]	= { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
+	[9]	= { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
+	[10]	= { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
+};
+

arch/mips/philips/pnx8550/stb810/prom_init.c

@@ -0,0 +1,49 @@
+/*
+ *  STB810 specific prom routines
+ *
+ *  Author: MontaVista Software, Inc.
+ *          source@mvista.com
+ *
+ *  Copyright 2005 MontaVista Software Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the
+ *  Free Software Foundation; either version 2 of the License, or (at your
+ *  option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/bootmem.h>
+#include <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+
+int prom_argc;
+char **prom_argv, **prom_envp;
+extern void  __init prom_init_cmdline(void);
+extern char *prom_getenv(char *envname);
+
+const char *get_system_type(void)
+{
+	return "Philips PNX8550/STB810";
+}
+
+void __init prom_init(void)
+{
+	unsigned long memsize;
+
+	prom_argc = (int) fw_arg0;
+	prom_argv = (char **) fw_arg1;
+	prom_envp = (char **) fw_arg2;
+
+	prom_init_cmdline();
+
+	mips_machgroup = MACH_GROUP_PHILIPS;
+	mips_machtype = MACH_PHILIPS_STB810;
+
+	memsize = 0x08000000; /* Trimedia uses memory above */
+	add_memory_region(0, memsize, BOOT_MEM_RAM);
+}

include/asm-mips/bootinfo.h

@@ -131,6 +131,7 @@
 #define  MACH_PHILIPS_NINO	0	/* Nino */
 #define  MACH_PHILIPS_VELO	1	/* Velo */
 #define  MACH_PHILIPS_JBS	2	/* JBS */
+#define  MACH_PHILIPS_STB810	3	/* STB810 */
 
 /*
  * Valid machtype for group SIBYTE