forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 23
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
m68k: m68328: move platform code to separate files
The dragen2 and ucsimm/ucdimm files require a bit of custom code compared to the other dragonball platforms, move them into separate files as a preparation for a build fix. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Loading branch information
1 parent
02a0b31
commit e074b41
Showing
7 changed files
with
158 additions
and
151 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| // SPDX-License-Identifier: GPL-2.0 | ||
| /* | ||
| * 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 <asm/machdep.h> | ||
| #include <asm/MC68VZ328.h> | ||
|
|
||
| /***************************************************************************/ | ||
| /* Init Drangon Engine hardware */ | ||
| /***************************************************************************/ | ||
|
|
||
| static void dragen2_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)" | ||
| ); | ||
| } | ||
|
|
||
| void __init init_dragen2(char *command, int size) | ||
| { | ||
| mach_reset = dragen2_reset; | ||
|
|
||
| #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 | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| // SPDX-License-Identifier: GPL-2.0 | ||
| void init_dragen2(char *command, int size); | ||
| void init_ucsimm(char *command, int size); | ||
| struct rtc_time; | ||
| int m68328_hwclk(int set, struct rtc_time *t); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| // SPDX-License-Identifier: GPL-2.0 | ||
| /* | ||
| * 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 <asm/bootstd.h> | ||
| #include <asm/machdep.h> | ||
| #include <asm/MC68VZ328.h> | ||
|
|
||
|
|
||
| #include "m68328.h" | ||
|
|
||
| unsigned char *cs8900a_hwaddr; | ||
| static int errno; | ||
|
|
||
| _bsc0(char *, getserialnum) | ||
| _bsc1(unsigned char *, gethwaddr, int, a) | ||
| _bsc1(char *, getbenv, char *, a) | ||
|
|
||
| void __init init_ucsimm(char *command, int size) | ||
| { | ||
| char *p; | ||
|
|
||
| pr_info("uCsimm/uCdimm serial string [%s]\n", getserialnum()); | ||
| p = cs8900a_hwaddr = gethwaddr(0); | ||
| pr_info("uCsimm/uCdimm hwaddr %pM\n", p); | ||
| p = getbenv("APPEND"); | ||
| if (p) | ||
| strcpy(p, command); | ||
| else | ||
| command[0] = 0; | ||
| } |