diff options
Diffstat (limited to 'arch/mips/au1000/pb1200')
| -rw-r--r-- | arch/mips/au1000/pb1200/Makefile | 5 | ||||
| -rw-r--r-- | arch/mips/au1000/pb1200/board_setup.c | 192 | ||||
| -rw-r--r-- | arch/mips/au1000/pb1200/init.c | 69 | ||||
| -rw-r--r-- | arch/mips/au1000/pb1200/irqmap.c | 181 |
4 files changed, 0 insertions, 447 deletions
diff --git a/arch/mips/au1000/pb1200/Makefile b/arch/mips/au1000/pb1200/Makefile deleted file mode 100644 index 22b673cf55a..00000000000 --- a/arch/mips/au1000/pb1200/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the Alchemy Semiconductor PB1200 board. -# - -lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/pb1200/board_setup.c b/arch/mips/au1000/pb1200/board_setup.c deleted file mode 100644 index 8b953b9fc25..00000000000 --- a/arch/mips/au1000/pb1200/board_setup.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - * - * 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 <linux/ioport.h> -#include <linux/mm.h> -#include <linux/console.h> -#include <linux/mc146818rtc.h> -#include <linux/delay.h> - -#if defined(CONFIG_BLK_DEV_IDE_AU1XXX) -#include <linux/ide.h> -#endif - -#include <asm/cpu.h> -#include <asm/bootinfo.h> -#include <asm/irq.h> -#include <asm/mipsregs.h> -#include <asm/reboot.h> -#include <asm/pgtable.h> -#include <asm/mach-au1x00/au1000.h> -#include <asm/mach-au1x00/au1xxx_dbdma.h> - -#ifdef CONFIG_MIPS_PB1200 -#include <asm/mach-pb1x00/pb1200.h> -#endif - -#ifdef CONFIG_MIPS_DB1200 -#include <asm/mach-db1x00/db1200.h> -#define PB1200_ETH_INT DB1200_ETH_INT -#define PB1200_IDE_INT DB1200_IDE_INT -#endif - -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; - u32 pin_func; - -#if 0 - /* 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; - - /* Select SMBUS in CPLD */ - bcsr->resets &= ~(BCSR_RESETS_PCS0MUX); - - pin_func = au_readl(SYS_PINFUNC); - au_sync(); - pin_func &= ~(3<<17 | 1<<4); - /* Set GPIOs correctly */ - pin_func |= 2<<17; - au_writel(pin_func, SYS_PINFUNC); - au_sync(); - - /* The i2c driver depends on 50Mhz 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); - /* 396Mhz / (3+1)*2 == 49.5Mhz */ - 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 &= ~0x01f00000; - /* bit 22 is EXTCLK0 for PSC0 */ - clksrc |= (0x3 << 22); - 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 - */ -#if defined(CONFIG_AU1XXX_PSC_SPI) && defined(CONFIG_I2C_AU1550) - #error I2C and SPI are mutually exclusive. Both are physically connected to PSC0.\ - Refer to Pb1200/Db1200 documentation. -#elif defined( CONFIG_AU1XXX_PSC_SPI ) - bcsr->resets |= BCSR_RESETS_PCS0MUX; - /*Hard Coding Value to enable Temp Sensors [bit 14] Value for SOC Au1200. Pls refer documentation*/ - bcsr->resets =0x900f; -#elif defined( CONFIG_I2C_AU1550 ) - bcsr->resets &= (~BCSR_RESETS_PCS0MUX); -#endif - au_sync(); - -#ifdef CONFIG_MIPS_PB1200 - printk("AMD Alchemy Pb1200 Board\n"); -#endif -#ifdef CONFIG_MIPS_DB1200 - printk("AMD Alchemy Db1200 Board\n"); -#endif - - /* Setup Pb1200 External Interrupt Controller */ - { - extern void (*board_init_irq)(void); - extern void _board_init_irq(void); - 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("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("board_au1200fb_panel_shutdown()\n"); */ - return 0; -} - diff --git a/arch/mips/au1000/pb1200/init.c b/arch/mips/au1000/pb1200/init.c deleted file mode 100644 index 27f09e374e1..00000000000 --- a/arch/mips/au1000/pb1200/init.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * PB1200 board setup - * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * 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/mm.h> -#include <linux/sched.h> -#include <linux/bootmem.h> -#include <asm/addrspace.h> -#include <asm/bootinfo.h> -#include <linux/string.h> -#include <linux/kernel.h> - -int prom_argc; -char **prom_argv, **prom_envp; -extern void __init prom_init_cmdline(void); -extern char *prom_getenv(char *envname); - -const char *get_system_type(void) -{ - return "Alchemy Pb1200"; -} - -void __init prom_init(void) -{ - unsigned char *memsize_str; - unsigned long memsize; - - prom_argc = (int) fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; - - mips_machgroup = MACH_GROUP_ALCHEMY; - mips_machtype = MACH_PB1200; - - prom_init_cmdline(); - memsize_str = prom_getenv("memsize"); - if (!memsize_str) { - memsize = 0x08000000; - } else { - memsize = simple_strtol(memsize_str, NULL, 0); - } - add_memory_region(0, memsize, BOOT_MEM_RAM); -} diff --git a/arch/mips/au1000/pb1200/irqmap.c b/arch/mips/au1000/pb1200/irqmap.c deleted file mode 100644 index f66779f0d4c..00000000000 --- a/arch/mips/au1000/pb1200/irqmap.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - * BRIEF MODULE DESCRIPTION - * Au1xxx irq map table - * - * 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/errno.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/kernel_stat.h> -#include <linux/module.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/timex.h> -#include <linux/slab.h> -#include <linux/random.h> -#include <linux/delay.h> - -#include <asm/bitops.h> -#include <asm/bootinfo.h> -#include <asm/io.h> -#include <asm/mipsregs.h> -#include <asm/system.h> -#include <asm/mach-au1x00/au1000.h> - -#ifdef CONFIG_MIPS_PB1200 -#include <asm/mach-pb1x00/pb1200.h> -#endif - -#ifdef CONFIG_MIPS_DB1200 -#include <asm/mach-db1x00/db1200.h> -#define PB1200_INT_BEGIN DB1200_INT_BEGIN -#define PB1200_INT_END DB1200_INT_END -#endif - -au1xxx_irq_map_t __initdata au1xxx_irq_map[] = { - { AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 }, // This is exteranl interrupt cascade -}; - -int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); - -/* - * Support for External interrupts on the PbAu1200 Development platform. - */ -static volatile int pb1200_cascade_en=0; - -irqreturn_t pb1200_cascade_handler( int irq, void *dev_id, struct pt_regs *regs) -{ - unsigned short bisr = bcsr->int_status; - int extirq_nr = 0; - - /* Clear all the edge interrupts. This has no effect on level */ - bcsr->int_status = bisr; - for( ; bisr; bisr &= (bisr-1) ) - { - extirq_nr = (PB1200_INT_BEGIN-1) + au_ffs(bisr); - /* Ack and dispatch IRQ */ - do_IRQ(extirq_nr,regs); - } - return IRQ_RETVAL(1); -} - -inline void pb1200_enable_irq(unsigned int irq_nr) -{ - bcsr->intset_mask = 1<<(irq_nr - PB1200_INT_BEGIN); - bcsr->intset = 1<<(irq_nr - PB1200_INT_BEGIN); -} - -inline void pb1200_disable_irq(unsigned int irq_nr) -{ - bcsr->intclr_mask = 1<<(irq_nr - PB1200_INT_BEGIN); - bcsr->intclr = 1<<(irq_nr - PB1200_INT_BEGIN); -} - -static unsigned int pb1200_startup_irq( unsigned int irq_nr ) -{ - if (++pb1200_cascade_en == 1) - { - request_irq(AU1000_GPIO_7, &pb1200_cascade_handler, - 0, "Pb1200 Cascade", (void *)&pb1200_cascade_handler ); -#ifdef CONFIG_MIPS_PB1200 - /* We have a problem with CPLD rev3. Enable a workaround */ - if( ((bcsr->whoami & BCSR_WHOAMI_CPLD)>>4) <= 3) - { - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("Pb1200 must be at CPLD rev4. Please have Pb1200\n"); - printk("updated to latest revision. This software will not\n"); - printk("work on anything less than CPLD rev4\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - while(1); - } -#endif - } - pb1200_enable_irq(irq_nr); - return 0; -} - -static void pb1200_shutdown_irq( unsigned int irq_nr ) -{ - pb1200_disable_irq(irq_nr); - if (--pb1200_cascade_en == 0) - { - free_irq(AU1000_GPIO_7,&pb1200_cascade_handler ); - } - return; -} - -static inline void pb1200_mask_and_ack_irq(unsigned int irq_nr) -{ - pb1200_disable_irq( irq_nr ); -} - -static void pb1200_end_irq(unsigned int irq_nr) -{ - if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS))) { - pb1200_enable_irq(irq_nr); - } -} - -static struct irq_chip external_irq_type = -{ -#ifdef CONFIG_MIPS_PB1200 - "Pb1200 Ext", -#endif -#ifdef CONFIG_MIPS_DB1200 - "Db1200 Ext", -#endif - pb1200_startup_irq, - pb1200_shutdown_irq, - pb1200_enable_irq, - pb1200_disable_irq, - pb1200_mask_and_ack_irq, - pb1200_end_irq, - NULL -}; - -void _board_init_irq(void) -{ - int irq_nr; - - for (irq_nr = PB1200_INT_BEGIN; irq_nr <= PB1200_INT_END; irq_nr++) - { - irq_desc[irq_nr].chip = &external_irq_type; - pb1200_disable_irq(irq_nr); - } - - /* GPIO_7 can not be hooked here, so it is hooked upon first - request of any source attached to the cascade */ -} - |