[PATCH] m68knommu: create common config code for all 68VZ328 platforms

Create common 68VZ328 config code. It is essentially the same for
all boards that use this, so no point having a version of it for
each.

Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 210 insertions, 0 deletions

diff --git a/arch/m68knommu/platform/68VZ328/config.c b/arch/m68knommu/platform/68VZ328/config.c
new file mode 100644
index 000000000000..d926524cdf82
--- /dev/null
+++ b/arch/m68knommu/platform/68VZ328/config.c
@@ -0,0 +1,210 @@
+/***************************************************************************/
+
+/*
+ *  linux/arch/m68knommu/platform/68VZ328/config.c
+ *
+ *  Copyright (C) 1993 Hamish Macdonald
+ *  Copyright (C) 1999 D. Jeff Dionne
+ *  Copyright (C) 2001 Georges Menie, Ken Desmet
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+/***************************************************************************/
+
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/console.h>
+#include <linux/kd.h>
+#include <linux/netdevice.h>
+
+#include <asm/setup.h>
+#include <asm/system.h>
+#include <asm/pgtable.h>
+#include <asm/irq.h>
+#include <asm/machdep.h>
+#include <asm/MC68VZ328.h>
+#include <asm/bootstd.h>
+
+#ifdef CONFIG_INIT_LCD
+#include "bootlogo.h"
+#endif
+
+/***************************************************************************/
+
+void m68328_timer_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *));
+void m68328_timer_tick(void);
+unsigned long m68328_timer_gettimeoffset(void);
+void m68328_timer_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec);
+
+/***************************************************************************/
+/*                        Init Drangon Engine hardware                     */
+/***************************************************************************/
+#if defined(CONFIG_DRAGEN2)
+
+static void m68vz328_reset(void)
+{
+        local_irq_disable();
+
+#ifdef CONFIG_INIT_LCD
+        PBDATA |= 0x20;                         /* disable CCFL light */
+        PKDATA |= 0x4;                          /* disable LCD controller */
+        LCKCON = 0;
+#endif
+
+        __asm__ __volatile__(
+                "reset\n\t"
+                "moveal #0x04000000, %a0\n\t"
+                "moveal 0(%a0), %sp\n\t"
+                "moveal 4(%a0), %a0\n\t"
+                "jmp (%a0)"
+        );
+}
+
+static void init_hardware(char *command, int size)
+{
+#ifdef CONFIG_DIRECT_IO_ACCESS
+        SCR = 0x10;                                     /* allow user access to internal registers */
+#endif
+
+        /* CSGB Init */
+        CSGBB = 0x4000;
+        CSB = 0x1a1;
+
+        /* CS8900 init */
+        /* PK3: hardware sleep function pin, active low */
+        PKSEL |= PK(3);                         /* select pin as I/O */
+        PKDIR |= PK(3);                         /* select pin as output */
+        PKDATA |= PK(3);                        /* set pin high */
+
+        /* PF5: hardware reset function pin, active high */
+        PFSEL |= PF(5);                         /* select pin as I/O */
+        PFDIR |= PF(5);                         /* select pin as output */
+        PFDATA &= ~PF(5);                       /* set pin low */
+
+        /* cs8900 hardware reset */
+        PFDATA |= PF(5);
+        { int i; for (i = 0; i < 32000; ++i); }
+        PFDATA &= ~PF(5);
+
+        /* INT1 enable (cs8900 IRQ) */
+        PDPOL &= ~PD(1);                        /* active high signal */
+        PDIQEG &= ~PD(1);
+        PDIRQEN |= PD(1);                       /* IRQ enabled */
+
+#ifdef CONFIG_68328_SERIAL_UART2
+        /* Enable RXD TXD port bits to enable UART2 */
+        PJSEL &= ~(PJ(5) | PJ(4));
+#endif
+
+#ifdef CONFIG_INIT_LCD
+        /* initialize LCD controller */
+        LSSA = (long) screen_bits;
+        LVPW = 0x14;
+        LXMAX = 0x140;
+        LYMAX = 0xef;
+        LRRA = 0;
+        LPXCD = 3;
+        LPICF = 0x08;
+        LPOLCF = 0;
+        LCKCON = 0x80;
+        PCPDEN = 0xff;
+        PCSEL = 0;
+
+        /* Enable LCD controller */
+        PKDIR |= 0x4;
+        PKSEL |= 0x4;
+        PKDATA &= ~0x4;
+
+        /* Enable CCFL backlighting circuit */
+        PBDIR |= 0x20;
+        PBSEL |= 0x20;
+        PBDATA &= ~0x20;
+
+        /* contrast control register */
+        PFDIR |= 0x1;
+        PFSEL &= ~0x1;
+        PWMR = 0x037F;
+#endif
+}
+
+/***************************************************************************/
+/*                      Init RT-Control uCdimm hardware                    */
+/***************************************************************************/
+#elif defined(CONFIG_UCDIMM)
+
+static void m68vz328_reset(void)
+{
+        local_irq_disable();
+        asm volatile ("
+                moveal #0x10c00000, %a0;
+                moveb #0, 0xFFFFF300;
+                moveal 0(%a0), %sp;
+                moveal 4(%a0), %a0;
+                jmp (%a0);
+        ");
+}
+
+unsigned char *cs8900a_hwaddr;
+static int errno;
+
+_bsc0(char *, getserialnum)
+_bsc1(unsigned char *, gethwaddr, int, a)
+_bsc1(char *, getbenv, char *, a)
+
+static void init_hardware(char *command, int size)
+{
+        char *p;
+
+        printk(KERN_INFO "uCdimm serial string [%s]\n", getserialnum());
+        p = cs8900a_hwaddr = gethwaddr(0);
+        printk(KERN_INFO "uCdimm hwaddr %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
+                p[0], p[1], p[2], p[3], p[4], p[5]);
+        p = getbenv("APPEND");
+        if (p)
+                strcpy(p, command);
+        else
+                command[0] = 0;
+}
+
+/***************************************************************************/
+#else
+
+static void m68vz328_reset(void)
+{
+}
+
+static void init_hardware(char *command, int size)
+{
+}
+
+/***************************************************************************/
+#endif
+/***************************************************************************/
+
+void config_BSP(char *command, int size)
+{
+        printk(KERN_INFO "68VZ328 DragonBallVZ support (c) 2001 Lineo, Inc.\n");
+
+#if defined(CONFIG_BOOTPARAM)
+        strncpy(command, CONFIG_BOOTPARAM_STRING, size);
+        command[size-1] = 0;
+#else
+        memset(command, 0, size);
+#endif
+
+        init_hardware(command, size);
+
+        mach_sched_init = (void *) m68328_timer_init;
+        mach_tick = m68328_timer_tick;
+        mach_gettimeoffset = m68328_timer_gettimeoffset;
+        mach_gettod = m68328_timer_gettod;
+        mach_reset = m68vz328_reset;
+}
+
+/***************************************************************************/