This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / m68knommu / platform / 68328 / head-pilot.S

diff --git a/arch/m68knommu/platform/68328/head-pilot.S b/arch/m68knommu/platform/68328/head-pilot.S
new file mode 100644 (file)
index 0000000..c46775f
--- /dev/null
+++ b/arch/m68knommu/platform/68328/head-pilot.S
@@ -0,0 +1,224 @@
+/*
+ * linux/arch/m68knommu/platform/68328/head-rom.S
+ * - A startup file for the MC68328
+ *
+ * Copyright (C) 1998  D. Jeff Dionne <jeff@ryeham.ee.ryerson.ca>,
+ *                     Kenneth Albanowski <kjahds@kjahds.com>,
+ *                     The Silver Hammer Group, Ltd.
+ *
+ * (c) 1995, Dionne & Associates
+ * (c) 1995, DKG Display Tech.
+ */
+
+#define ASSEMBLY
+
+#define IMMED #
+#define        DBG_PUTC(x)     moveb IMMED x, 0xfffff907
+
+#include <linux/config.h>
+
+.global _stext
+.global _start
+
+.global _rambase
+.global __ramvec
+.global _ramvec
+.global _ramstart
+.global _ramend
+
+.global penguin_bits
+
+#ifdef CONFIG_PILOT
+
+#define IMR 0xFFFFF304
+
+       .data
+       .align 16
+
+penguin_bits:  
+#include "bootlogo.rh"
+
+#endif
+
+/*****************************************************************************/
+
+.data
+
+/*
+ *      Set up the usable of RAM stuff. Size of RAM is determined then
+ *      an initial stack set up at the end.
+ */
+.align 4
+_ramvec:
+.long   0
+_rambase:
+.long   0
+_ramstart:
+.long   0
+_ramend:
+.long   0
+
+.text
+       
+_start:
+_stext:
+
+
+#ifdef CONFIG_M68328
+
+#ifdef CONFIG_PILOT
+       .byte 0x4e, 0xfa, 0x00, 0x0a /* Jmp +X bytes */
+       .byte 'b', 'o', 'o', 't'
+       .word 10000
+
+       nop
+#endif
+
+       moveq   #0, %d0
+       movew   %d0, 0xfffff618 /* Watchdog off */
+       movel   #0x00011f07, 0xfffff114 /* CS A1 Mask */
+
+       movew   #0x0800, 0xfffff906 /* Ignore CTS */
+       movew   #0x010b, 0xfffff902 /* BAUD to 9600 */
+
+       movew   #0x2410, 0xfffff200 /* PLLCR */
+       movew   #0x123, 0xfffff202 /* PLLFSR */
+
+#ifdef CONFIG_PILOT
+       moveb   #0, 0xfffffA27 /* LCKCON */
+       movel   #_start, 0xfffffA00 /* LSSA */
+       moveb   #0xa, 0xfffffA05 /* LVPW */
+       movew   #0x9f, 0xFFFFFa08 /* LXMAX */
+       movew   #0x9f, 0xFFFFFa0a /* LYMAX */
+       moveb   #9, 0xfffffa29 /* LBAR */
+       moveb   #0, 0xfffffa25 /* LPXCD */
+       moveb   #0x04, 0xFFFFFa20 /* LPICF */
+       moveb   #0x58, 0xfffffA27 /* LCKCON */
+       moveb   #0x85, 0xfffff429 /* PFDATA */
+       moveb   #0xd8, 0xfffffA27 /* LCKCON */
+       moveb   #0xc5, 0xfffff429 /* PFDATA */
+       moveb   #0xd5, 0xfffff429 /* PFDATA */
+
+       moveal  #0x00100000, %a3
+       moveal  #0x100ffc00, %a4
+#endif /* CONFIG_PILOT */
+
+#endif /* CONFIG_M68328 */
+
+       movew   #0x2700, %sr
+       lea     %a4@(-4), %sp
+
+       DBG_PUTC('\r')
+       DBG_PUTC('\n')
+       DBG_PUTC('A')
+
+       moveq   #0,%d0
+       movew   #16384, %d0  /* PLL settle wait loop */
+L0:
+       subw    #1, %d0
+       bne     L0
+
+       DBG_PUTC('B')
+
+       /* Copy command line from beginning of RAM (+16) to end of bss */
+       movel   #__ramvec, %d7
+       addl    #16, %d7
+       moveal  %d7, %a0
+       moveal  #_ebss, %a1
+       lea     %a1@(512), %a2
+
+       DBG_PUTC('C')
+
+       /* Copy %a0 to %a1 until %a1 == %a2 */
+L2:
+       movel   %a0@+, %d0
+       movel   %d0, %a1@+
+       cmpal   %a1, %a2
+       bhi     L2
+
+       /* Copy data+init segment from ROM to RAM */
+       moveal  #_etext, %a0
+       moveal  #_sdata, %a1
+       moveal  #__init_end, %a2
+
+       DBG_PUTC('D')
+
+       /* Copy %a0 to %a1 until %a1 == %a2 */
+LD1:
+       movel   %a0@+, %d0
+       movel   %d0, %a1@+
+       cmpal   %a1, %a2
+       bhi     LD1
+
+       DBG_PUTC('E')
+
+       moveal  #_sbss, %a0
+       moveal  #_ebss, %a1
+
+       /* Copy 0 to %a0 until %a0 == %a1 */
+L1:
+       movel   #0, %a0@+
+       cmpal   %a0, %a1
+       bhi     L1
+
+       DBG_PUTC('F')
+
+       /* Copy command line from end of bss to command line */
+       moveal  #_ebss, %a0
+       moveal  #command_line, %a1
+       lea     %a1@(512), %a2
+
+       DBG_PUTC('G')
+
+       /* Copy %a0 to %a1 until %a1 == %a2 */
+L3:
+       movel   %a0@+, %d0
+       movel   %d0, %a1@+
+       cmpal   %a1, %a2
+       bhi     L3
+
+       movel   #_sdata, %d0    
+       movel   %d0, _rambase   
+       movel   #_ebss, %d0
+       movel   %d0, _ramstart
+
+       movel   %a4, %d0
+       subl    #4096, %d0      /* Reserve 4K of stack */
+       moveq   #79, %d7
+       movel   %d0, _ramend
+
+       movel   %a3, %d0
+       movel   %d0, rom_length
+
+       pea     0
+       pea     env
+       pea     %sp@(4)
+       pea     0
+
+       DBG_PUTC('H')
+
+#ifdef CONFIG_PILOT
+       movel   #penguin_bits, 0xFFFFFA00
+       moveb   #10, 0xFFFFFA05
+       movew   #160, 0xFFFFFA08
+       movew   #160, 0xFFFFFA0A
+#endif /* CONFIG_PILOT */
+
+       DBG_PUTC('I')
+
+       lea     init_thread_union, %a0
+       lea     0x2000(%a0), %sp
+
+       DBG_PUTC('J')
+       DBG_PUTC('\r')
+       DBG_PUTC('\n')
+
+       jsr     start_kernel
+_exit:
+
+       jmp     _exit
+
+
+       .data
+env:
+       .long   0