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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-14 05:51:22 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-14 05:51:22 +0400 |
commit | a45d572841a24db02a62cf05e1157c35fdd3705b (patch) | |
tree | 35a25d5843e0dc29abd64b5d9f0cfc1b1d1acd17 /arch/m68k/68000/m68VZ328.c | |
parent | fc2414b4b4569fab5404c6f49f36bae0dfa3d936 (diff) | |
parent | e803d4bd31184b301a54352bb2c1a3fa93f80154 (diff) | |
download | linux-a45d572841a24db02a62cf05e1157c35fdd3705b.tar.xz |
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu update from Greg Ungerer:
"The major change is to remove the arch/m68k/platform directory. The
coldfire (and other non-mmu m68k platform) code is moved to the
arch/m68k level, making them consistent with the traditional m68k
platforms.
A couple of other minor miscellaneous fixes as well"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: Fix typo 'COFNIG_MBAR'
m68knommu: add missing ioport_map() and ioport_unmap()
m68k/coldfire: remove second asm/mcfclk.h inclusion in m54xx.c
m68knommu: fix size of address field for 5272 interrupt controller
m68k: fix crufty 68000 and 68360 intro comments
m68k: remove the unused arch/m68k/platform directory
m68k: move non-mmu 68360 platform code
m68k: move non-mmu 68000 platform code
m68k: fix crufty ColdFire intro comments
m68k: move coldfire platform code
Diffstat (limited to 'arch/m68k/68000/m68VZ328.c')
-rw-r--r-- | arch/m68k/68000/m68VZ328.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/arch/m68k/68000/m68VZ328.c b/arch/m68k/68000/m68VZ328.c new file mode 100644 index 000000000000..0e5e5a10a021 --- /dev/null +++ b/arch/m68k/68000/m68VZ328.c @@ -0,0 +1,190 @@ +/***************************************************************************/ + +/* + * m68VZ328.c - 68VZ328 specific config + * + * 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/init.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/kd.h> +#include <linux/netdevice.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/rtc.h> + +#include <asm/pgtable.h> +#include <asm/machdep.h> +#include <asm/MC68VZ328.h> +#include <asm/bootstd.h> + +#ifdef CONFIG_INIT_LCD +#include "bootlogo-vz.h" +#endif + +/***************************************************************************/ + +int m68328_hwclk(int set, struct rtc_time *t); + +/***************************************************************************/ +/* 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 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_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;\n\t" + "moveb #0, 0xFFFFF300;\n\t" + "moveal 0(%a0), %sp;\n\t" + "moveal 4(%a0), %a0;\n\t" + "jmp (%a0);\n" + ); +} + +unsigned char *cs8900a_hwaddr; +static int errno; + +_bsc0(char *, getserialnum) +_bsc1(unsigned char *, gethwaddr, int, a) +_bsc1(char *, getbenv, char *, a) + +static void __init 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 init_hardware(char *command, int size) +{ +} + +/***************************************************************************/ +#endif +/***************************************************************************/ + +void __init config_BSP(char *command, int size) +{ + printk(KERN_INFO "68VZ328 DragonBallVZ support (c) 2001 Lineo, Inc.\n"); + + init_hardware(command, size); + + mach_sched_init = hw_timer_init; + mach_hwclk = m68328_hwclk; + mach_reset = m68vz328_reset; +} + +/***************************************************************************/ |