forked from Minki/linux
c3d1d5c8c1
Fix several errors and warnings given by checkpatch.pl: - use of C99 // comments; - initialization of a 'static' variable to 0; - space after opening and before closing parentheses; - missing space between 'for' and opening parenthesis; - macros with complex values not enclosed in parentheses; - printk() without KERN_* facility level; - unnecessary braces for single-statement block; - using simple_strtol() where strict_strtol() could be used; - line over 80 characters. In addition to these changes, also do the following: - mention DBAu1200 board in the Makefile; - replace the group of #include/#ifdef directives by a single #include <au1xxx.h> since this header contains the needed stuff; - properly indent the blocks; - insert spaces between operator and its operands, remove excess spaces there; - remove needless parentheses and add some for clarity; - replace numeric literals/expressions with the matching macros; - remove space after the type cast's closing parenthesis; - reduce pb1200_setup_cascade() to the single 'return' statement; - reduce the number of printed empty lines in the so-called CPLD workaround; - remove #undef AU1X00_EXTERNAL_INT since that macro is not defined anywhere; - replace spaces after the macro name with tabs in the #define directives; - remove excess tabs after the macro name in the #define directives; - fix typo in the BCSR_RESETS_PWMR1mUX macro's name; - group all Pb1200 PCMCIA definitions together; - put the function's result type and name/parameters on the same line; - insert missing and remove excess new lines; - make the multi-line comment style consistent with the kernel style elsewhere by adding empty first line and/or adding space/asterisk on their left side; - fix typos/errors, capitalize acronyms, etc. in the comments; - combine some comments; - update MontaVista copyright; - remove Pete Popov's old email address... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
163 lines
4.1 KiB
C
163 lines
4.1 KiB
C
/*
|
|
*
|
|
* BRIEF MODULE DESCRIPTION
|
|
* Alchemy Pb1200/Db1200 board setup.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
|
|
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/sched.h>
|
|
|
|
#include <prom.h>
|
|
#include <au1xxx.h>
|
|
|
|
extern void _board_init_irq(void);
|
|
extern void (*board_init_irq)(void);
|
|
|
|
void board_reset(void)
|
|
{
|
|
bcsr->resets = 0;
|
|
bcsr->system = 0;
|
|
}
|
|
|
|
void __init board_setup(void)
|
|
{
|
|
char *argptr = NULL;
|
|
|
|
#if 0
|
|
{
|
|
u32 pin_func;
|
|
|
|
/*
|
|
* Enable PSC1 SYNC for AC97. Normaly done in audio driver,
|
|
* but it is board specific code, so put it here.
|
|
*/
|
|
pin_func = au_readl(SYS_PINFUNC);
|
|
au_sync();
|
|
pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
|
|
au_writel(pin_func, SYS_PINFUNC);
|
|
|
|
au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */
|
|
au_sync();
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_I2C_AU1550)
|
|
{
|
|
u32 freq0, clksrc;
|
|
u32 pin_func;
|
|
|
|
/* Select SMBus in CPLD */
|
|
bcsr->resets &= ~BCSR_RESETS_PCS0MUX;
|
|
|
|
pin_func = au_readl(SYS_PINFUNC);
|
|
au_sync();
|
|
pin_func &= ~(SYS_PINFUNC_P0A | SYS_PINFUNC_P0B);
|
|
/* Set GPIOs correctly */
|
|
pin_func |= 2 << 17;
|
|
au_writel(pin_func, SYS_PINFUNC);
|
|
au_sync();
|
|
|
|
/* The I2C driver depends on 50 MHz clock */
|
|
freq0 = au_readl(SYS_FREQCTRL0);
|
|
au_sync();
|
|
freq0 &= ~(SYS_FC_FRDIV1_MASK | SYS_FC_FS1 | SYS_FC_FE1);
|
|
freq0 |= 3 << SYS_FC_FRDIV1_BIT;
|
|
/* 396 MHz / (3 + 1) * 2 == 49.5 MHz */
|
|
au_writel(freq0, SYS_FREQCTRL0);
|
|
au_sync();
|
|
freq0 |= SYS_FC_FE1;
|
|
au_writel(freq0, SYS_FREQCTRL0);
|
|
au_sync();
|
|
|
|
clksrc = au_readl(SYS_CLKSRC);
|
|
au_sync();
|
|
clksrc &= ~(SYS_CS_CE0 | SYS_CS_DE0 | SYS_CS_ME0_MASK);
|
|
/* Bit 22 is EXTCLK0 for PSC0 */
|
|
clksrc |= SYS_CS_MUX_FQ1 << SYS_CS_ME0_BIT;
|
|
au_writel(clksrc, SYS_CLKSRC);
|
|
au_sync();
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_FB_AU1200
|
|
argptr = prom_getcmdline();
|
|
#ifdef CONFIG_MIPS_PB1200
|
|
strcat(argptr, " video=au1200fb:panel:bs");
|
|
#endif
|
|
#ifdef CONFIG_MIPS_DB1200
|
|
strcat(argptr, " video=au1200fb:panel:bs");
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* The Pb1200 development board uses external MUX for PSC0 to
|
|
* support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI
|
|
*/
|
|
#ifdef CONFIG_I2C_AU1550
|
|
bcsr->resets &= ~BCSR_RESETS_PCS0MUX;
|
|
#endif
|
|
au_sync();
|
|
|
|
#ifdef CONFIG_MIPS_PB1200
|
|
printk(KERN_INFO "AMD Alchemy Pb1200 Board\n");
|
|
#endif
|
|
#ifdef CONFIG_MIPS_DB1200
|
|
printk(KERN_INFO "AMD Alchemy Db1200 Board\n");
|
|
#endif
|
|
|
|
/* Setup Pb1200 External Interrupt Controller */
|
|
board_init_irq = _board_init_irq;
|
|
}
|
|
|
|
int board_au1200fb_panel(void)
|
|
{
|
|
BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
|
|
int p;
|
|
|
|
p = bcsr->switches;
|
|
p >>= 8;
|
|
p &= 0x0F;
|
|
return p;
|
|
}
|
|
|
|
int board_au1200fb_panel_init(void)
|
|
{
|
|
/* Apply power */
|
|
BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
|
|
|
|
bcsr->board |= BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL;
|
|
/* printk(KERN_DEBUG "board_au1200fb_panel_init()\n"); */
|
|
return 0;
|
|
}
|
|
|
|
int board_au1200fb_panel_shutdown(void)
|
|
{
|
|
/* Remove power */
|
|
BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR;
|
|
|
|
bcsr->board &= ~(BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD |
|
|
BCSR_BOARD_LCDBL);
|
|
/* printk(KERN_DEBUG "board_au1200fb_panel_shutdown()\n"); */
|
|
return 0;
|
|
}
|