diff options
Diffstat (limited to 'cpu/arm920t')
-rw-r--r-- | cpu/arm920t/Makefile | 6 | ||||
-rw-r--r-- | cpu/arm920t/imx_generic.c | 90 | ||||
-rw-r--r-- | cpu/arm920t/imx_interrupts.c | 117 | ||||
-rw-r--r-- | cpu/arm920t/imx_speed.c | 102 | ||||
-rw-r--r-- | cpu/arm920t/interrupts.c | 143 | ||||
-rw-r--r-- | cpu/arm920t/s3c24x0_interrupts.c | 180 | ||||
-rw-r--r-- | cpu/arm920t/s3c24x0_serial.c (renamed from cpu/arm920t/serial.c) | 34 | ||||
-rw-r--r-- | cpu/arm920t/s3c24x0_speed.c (renamed from cpu/arm920t/speed.c) | 6 | ||||
-rw-r--r-- | cpu/arm920t/start.S | 24 |
9 files changed, 530 insertions, 172 deletions
diff --git a/cpu/arm920t/Makefile b/cpu/arm920t/Makefile index 605adf3..68a33d6 100644 --- a/cpu/arm920t/Makefile +++ b/cpu/arm920t/Makefile @@ -26,7 +26,11 @@ include $(TOPDIR)/config.mk LIB = lib$(CPU).a START = start.o -OBJS = serial.o interrupts.o cpu.o speed.o usb_ohci.o +OBJS = cpu.o \ + imx_generic.o imx_interrupts.o imx_speed.o \ + interrupts.o \ + s3c24x0_interrupts.o s3c24x0_serial.o s3c24x0_speed.o \ + usb_ohci.o all: .depend $(START) $(LIB) diff --git a/cpu/arm920t/imx_generic.c b/cpu/arm920t/imx_generic.c new file mode 100644 index 0000000..aa7c8c1 --- /dev/null +++ b/cpu/arm920t/imx_generic.c @@ -0,0 +1,90 @@ +/* + * arch/arm/mach-imx/generic.c + * + * author: Sascha Hauer + * Created: april 20th, 2004 + * Copyright: Synertronixx GmbH + * + * Common code for i.MX machines + * + * 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 program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <common.h> + +#ifdef CONFIG_IMX + +#include <asm/arch/imx-regs.h> + +void imx_gpio_mode(int gpio_mode) +{ + unsigned int pin = gpio_mode & GPIO_PIN_MASK; + unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> 5; + unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> 10; + unsigned int tmp; + + /* Pullup enable */ + if(gpio_mode & GPIO_PUEN) + PUEN(port) |= (1<<pin); + else + PUEN(port) &= ~(1<<pin); + + /* Data direction */ + if(gpio_mode & GPIO_OUT) + DDIR(port) |= 1<<pin; + else + DDIR(port) &= ~(1<<pin); + + /* Primary / alternate function */ + if(gpio_mode & GPIO_AF) + GPR(port) |= (1<<pin); + else + GPR(port) &= ~(1<<pin); + + /* use as gpio? */ + if( ocr == 3 ) + GIUS(port) |= (1<<pin); + else + GIUS(port) &= ~(1<<pin); + + /* Output / input configuration */ + /* FIXME: I'm not very sure about OCR and ICONF, someone + * should have a look over it + */ + if(pin<16) { + tmp = OCR1(port); + tmp &= ~( 3<<(pin*2)); + tmp |= (ocr << (pin*2)); + OCR1(port) = tmp; + + if( gpio_mode & GPIO_AOUT ) + ICONFA1(port) &= ~( 3<<(pin*2)); + if( gpio_mode & GPIO_BOUT ) + ICONFB1(port) &= ~( 3<<(pin*2)); + } else { + tmp = OCR2(port); + tmp &= ~( 3<<((pin-16)*2)); + tmp |= (ocr << ((pin-16)*2)); + OCR2(port) = tmp; + + if( gpio_mode & GPIO_AOUT ) + ICONFA2(port) &= ~( 3<<((pin-16)*2)); + if( gpio_mode & GPIO_BOUT ) + ICONFB2(port) &= ~( 3<<((pin-16)*2)); + } +} + +#endif /* CONFIG_IMX */ diff --git a/cpu/arm920t/imx_interrupts.c b/cpu/arm920t/imx_interrupts.c new file mode 100644 index 0000000..12ae2fa --- /dev/null +++ b/cpu/arm920t/imx_interrupts.c @@ -0,0 +1,117 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke <azu@sysgo.de> + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#if defined (CONFIG_IMX) + +#include <arm920t.h> +#include <asm/arch/imx-regs.h> + +int interrupt_init (void) +{ + int i; + /* setup GP Timer 1 */ + TCTL1 = TCTL_SWR; + for ( i=0; i<100; i++) TCTL1 = 0; /* We have no udelay by now */ + TPRER1 = get_PERCLK1() / 1000000; /* 1 MHz */ + TCTL1 |= TCTL_FRR | (1<<1); /* Freerun Mode, PERCLK1 input */ + + reset_timer_masked(); + + return (0); +} + +/* + * timer without interrupts + */ + +void reset_timer (void) +{ + reset_timer_masked (); +} + +ulong get_timer (ulong base) +{ + return get_timer_masked (); +} + +void set_timer (ulong t) +{ + /* nop */ +} + +void reset_timer_masked (void) +{ + TCTL1 &= ~TCTL_TEN; + TCTL1 |= TCTL_TEN; /* Enable timer */ +} + +ulong get_timer_masked (void) +{ + return TCN1; +} + +void udelay_masked (unsigned long usec) +{ + ulong start = get_timer_masked(); + + while (get_timer_masked () - start < usec ) + /*NOP*/; +} + +void udelay (unsigned long usec) +{ + udelay_masked(usec); +} + +/* + * This function is derived from PowerPC code (read timebase as long long). + * On ARM it just returns the timer value. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * This function is derived from PowerPC code (timebase clock frequency). + * On ARM it returns the number of timer ticks per second. + */ +ulong get_tbclk (void) +{ + ulong tbclk; + + tbclk = CFG_HZ; + + return tbclk; +} + +#endif /* defined (CONFIG_IMX) */ diff --git a/cpu/arm920t/imx_speed.c b/cpu/arm920t/imx_speed.c new file mode 100644 index 0000000..1e29698 --- /dev/null +++ b/cpu/arm920t/imx_speed.c @@ -0,0 +1,102 @@ +/* + * + * (c) 2004 Sascha Hauer <sascha@saschahauer.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + + +#include <common.h> +#if defined (CONFIG_IMX) + +#include <asm/arch/imx-regs.h> + +/* ------------------------------------------------------------------------- */ +/* NOTE: This describes the proper use of this file. + * + * CONFIG_SYS_CLK_FREQ should be defined as the input frequency of the PLL. + * SH FIXME: 16780000 in our case + * get_FCLK(), get_HCLK(), get_PCLK() and get_UCLK() return the clock of + * the specified bus in HZ. + */ +/* ------------------------------------------------------------------------- */ + +ulong get_systemPLLCLK(void) +{ + /* FIXME: We assume System_SEL = 0 here */ + u32 spctl0 = SPCTL0; + u32 mfi = (spctl0 >> 10) & 0xf; + u32 mfn = spctl0 & 0x3f; + u32 mfd = (spctl0 >> 16) & 0x3f; + u32 pd = (spctl0 >> 26) & 0xf; + + mfi = mfi<=5 ? 5 : mfi; + + return (2*(CONFIG_SYSPLL_CLK_FREQ>>10)*( (mfi<<10) + (mfn<<10)/(mfd+1)))/(pd+1); +} + +ulong get_mcuPLLCLK(void) +{ + /* FIXME: We assume System_SEL = 0 here */ + u32 mpctl0 = MPCTL0; + u32 mfi = (mpctl0 >> 10) & 0xf; + u32 mfn = mpctl0 & 0x3f; + u32 mfd = (mpctl0 >> 16) & 0x3f; + u32 pd = (mpctl0 >> 26) & 0xf; + + mfi = mfi<=5 ? 5 : mfi; + + return (2*(CONFIG_SYS_CLK_FREQ>>10)*( (mfi<<10) + (mfn<<10)/(mfd+1)))/(pd+1); +} + +ulong get_FCLK(void) +{ + return (( CSCR>>15)&1) ? get_mcuPLLCLK()>>1 : get_mcuPLLCLK(); +} + +/* return HCLK frequency */ +ulong get_HCLK(void) +{ + u32 bclkdiv = (( CSCR >> 10 ) & 0xf) + 1; + printf("bclkdiv: %d\n", bclkdiv); + return get_systemPLLCLK() / bclkdiv; +} + +/* return BCLK frequency */ +ulong get_BCLK(void) +{ + return get_HCLK(); +} + +ulong get_PERCLK1(void) +{ + return get_systemPLLCLK() / (((PCDR) & 0xf)+1); +} + +ulong get_PERCLK2(void) +{ + return get_systemPLLCLK() / (((PCDR>>4) & 0xf)+1); +} + +ulong get_PERCLK3(void) +{ + return get_systemPLLCLK() / (((PCDR>>16) & 0x7f)+1); +} + +#endif /* defined (CONFIG_IMX) */ diff --git a/cpu/arm920t/interrupts.c b/cpu/arm920t/interrupts.c index 521c4f4..ea58f15 100644 --- a/cpu/arm920t/interrupts.c +++ b/cpu/arm920t/interrupts.c @@ -30,25 +30,11 @@ */ #include <common.h> -#include <arm920t.h> -#if defined(CONFIG_S3C2400) -#include <s3c2400.h> -#elif defined(CONFIG_S3C2410) -#include <s3c2410.h> -#endif +#include <arm920t.h> #include <asm/proc-armv/ptrace.h> extern void reset_cpu(ulong addr); -int timer_load_val = 0; - -/* macro to read the 16 bit timer */ -static inline ulong READ_TIMER(void) -{ - S3C24X0_TIMERS * const timers = S3C24X0_GetBase_TIMERS(); - - return (timers->TCNTO4 & 0xffff); -} #ifdef CONFIG_USE_IRQ /* enable IRQ interrupts */ @@ -182,130 +168,3 @@ void do_irq (struct pt_regs *pt_regs) show_regs (pt_regs); bad_mode (); } - -static ulong timestamp; -static ulong lastdec; - -int interrupt_init (void) -{ - S3C24X0_TIMERS * const timers = S3C24X0_GetBase_TIMERS(); - - /* use PWM Timer 4 because it has no output */ - /* prescaler for Timer 4 is 16 */ - timers->TCFG0 = 0x0f00; - if (timer_load_val == 0) - { - /* - * for 10 ms clock period @ PCLK with 4 bit divider = 1/2 - * (default) and prescaler = 16. Should be 10390 - * @33.25MHz and 15625 @ 50 MHz - */ - timer_load_val = get_PCLK()/(2 * 16 * 100); - } - /* load value for 10 ms timeout */ - lastdec = timers->TCNTB4 = timer_load_val; - /* auto load, manual update of Timer 4 */ - timers->TCON = (timers->TCON & ~0x0700000) | 0x600000; - /* auto load, start Timer 4 */ - timers->TCON = (timers->TCON & ~0x0700000) | 0x500000; - timestamp = 0; - - return (0); -} - -/* - * timer without interrupts - */ - -void reset_timer (void) -{ - reset_timer_masked (); -} - -ulong get_timer (ulong base) -{ - return get_timer_masked () - base; -} - -void set_timer (ulong t) -{ - timestamp = t; -} - -void udelay (unsigned long usec) -{ - ulong tmo; - ulong start = get_timer(0); - - tmo = usec / 1000; - tmo *= (timer_load_val * 100); - tmo /= 1000; - - while ((ulong)(get_timer_masked () - start) < tmo) - /*NOP*/; -} - -void reset_timer_masked (void) -{ - /* reset time */ - lastdec = READ_TIMER(); - timestamp = 0; -} - -ulong get_timer_masked (void) -{ - ulong now = READ_TIMER(); - - if (lastdec >= now) { - /* normal mode */ - timestamp += lastdec - now; - } else { - /* we have an overflow ... */ - timestamp += lastdec + timer_load_val - now; - } - lastdec = now; - - return timestamp; -} - -void udelay_masked (unsigned long usec) -{ - ulong tmo; - - tmo = usec / 1000; - tmo *= (timer_load_val * 100); - tmo /= 1000; - - reset_timer_masked (); - - while (get_timer_masked () < tmo) - /*NOP*/; -} - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -/* - * This function is derived from PowerPC code (timebase clock frequency). - * On ARM it returns the number of timer ticks per second. - */ -ulong get_tbclk (void) -{ - ulong tbclk; - -#if defined(CONFIG_SMDK2400) || defined(CONFIG_TRAB) - tbclk = timer_load_val * 100; -#elif defined(CONFIG_SMDK2410) || defined(CONFIG_VCMA9) - tbclk = CFG_HZ; -#else -# error "tbclk not configured" -#endif - - return tbclk; -} diff --git a/cpu/arm920t/s3c24x0_interrupts.c b/cpu/arm920t/s3c24x0_interrupts.c new file mode 100644 index 0000000..92298b0 --- /dev/null +++ b/cpu/arm920t/s3c24x0_interrupts.c @@ -0,0 +1,180 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke <azu@sysgo.de> + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#if defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) + +#include <arm920t.h> +#if defined(CONFIG_S3C2400) +#include <s3c2400.h> +#elif defined(CONFIG_S3C2410) +#include <s3c2410.h> +#endif + +extern void reset_cpu(ulong addr); +int timer_load_val = 0; + +/* macro to read the 16 bit timer */ +static inline ulong READ_TIMER(void) +{ + S3C24X0_TIMERS * const timers = S3C24X0_GetBase_TIMERS(); + + return (timers->TCNTO4 & 0xffff); +} + +static ulong timestamp; +static ulong lastdec; + +int interrupt_init (void) +{ + S3C24X0_TIMERS * const timers = S3C24X0_GetBase_TIMERS(); + + /* use PWM Timer 4 because it has no output */ + /* prescaler for Timer 4 is 16 */ + timers->TCFG0 = 0x0f00; + if (timer_load_val == 0) + { + /* + * for 10 ms clock period @ PCLK with 4 bit divider = 1/2 + * (default) and prescaler = 16. Should be 10390 + * @33.25MHz and 15625 @ 50 MHz + */ + timer_load_val = get_PCLK()/(2 * 16 * 100); + } + /* load value for 10 ms timeout */ + lastdec = timers->TCNTB4 = timer_load_val; + /* auto load, manual update of Timer 4 */ + timers->TCON = (timers->TCON & ~0x0700000) | 0x600000; + /* auto load, start Timer 4 */ + timers->TCON = (timers->TCON & ~0x0700000) | 0x500000; + timestamp = 0; + + return (0); +} + +/* + * timer without interrupts + */ + +void reset_timer (void) +{ + reset_timer_masked (); +} + +ulong get_timer (ulong base) +{ + return get_timer_masked () - base; +} + +void set_timer (ulong t) +{ + timestamp = t; +} + +void udelay (unsigned long usec) +{ + ulong tmo; + ulong start = get_timer(0); + + tmo = usec / 1000; + tmo *= (timer_load_val * 100); + tmo /= 1000; + + while ((ulong)(get_timer_masked () - start) < tmo) + /*NOP*/; +} + +void reset_timer_masked (void) +{ + /* reset time */ + lastdec = READ_TIMER(); + timestamp = 0; +} + +ulong get_timer_masked (void) +{ + ulong now = READ_TIMER(); + + if (lastdec >= now) { + /* normal mode */ + timestamp += lastdec - now; + } else { + /* we have an overflow ... */ + timestamp += lastdec + timer_load_val - now; + } + lastdec = now; + + return timestamp; +} + +void udelay_masked (unsigned long usec) +{ + ulong tmo; + + tmo = usec / 1000; + tmo *= (timer_load_val * 100); + tmo /= 1000; + + reset_timer_masked (); + + while (get_timer_masked () < tmo) + /*NOP*/; +} + +/* + * This function is derived from PowerPC code (read timebase as long long). + * On ARM it just returns the timer value. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * This function is derived from PowerPC code (timebase clock frequency). + * On ARM it returns the number of timer ticks per second. + */ +ulong get_tbclk (void) +{ + ulong tbclk; + +#if defined(CONFIG_SMDK2400) || defined(CONFIG_TRAB) + tbclk = timer_load_val * 100; +#elif defined(CONFIG_SMDK2410) || defined(CONFIG_VCMA9) + tbclk = CFG_HZ; +#else +# error "tbclk not configured" +#endif + + return tbclk; +} + +#endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) */ diff --git a/cpu/arm920t/serial.c b/cpu/arm920t/s3c24x0_serial.c index 1749e82..8327443 100644 --- a/cpu/arm920t/serial.c +++ b/cpu/arm920t/s3c24x0_serial.c @@ -1,24 +1,26 @@ - /* - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> - * - * 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 program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> + * + * 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 program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include <common.h> +#if defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) + #if defined(CONFIG_S3C2400) || defined(CONFIG_TRAB) #include <s3c2400.h> #elif defined(CONFIG_S3C2410) @@ -176,3 +178,5 @@ serial_puts (const char *s) serial_putc (*s++); } } + +#endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) */ diff --git a/cpu/arm920t/speed.c b/cpu/arm920t/s3c24x0_speed.c index 1f43543..e0dca62 100644 --- a/cpu/arm920t/speed.c +++ b/cpu/arm920t/s3c24x0_speed.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2001-2002 + * (C) Copyright 2001-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * (C) Copyright 2002 @@ -30,6 +30,8 @@ */ #include <common.h> +#if defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) + #if defined(CONFIG_S3C2400) #include <s3c2400.h> #elif defined(CONFIG_S3C2410) @@ -95,3 +97,5 @@ ulong get_UCLK(void) { return(get_PLLCLK(UPLL)); } + +#endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) */ diff --git a/cpu/arm920t/start.S b/cpu/arm920t/start.S index 0e372d0..78c470d 100644 --- a/cpu/arm920t/start.S +++ b/cpu/arm920t/start.S @@ -118,20 +118,17 @@ reset: /* turn off the watchdog */ #if defined(CONFIG_S3C2400) -#define pWTCON 0x15300000 -/* Interupt-Controller base addresses */ -#define INTMSK 0x14400008 -/* clock divisor register */ -#define CLKDIVN 0x14800014 +# define pWTCON 0x15300000 +# define INTMSK 0x14400008 /* Interupt-Controller base addresses */ +# define CLKDIVN 0x14800014 /* clock divisor register */ #elif defined(CONFIG_S3C2410) -#define pWTCON 0x53000000 -/* Interupt-Controller base addresses */ -#define INTMSK 0x4A000008 -#define INTSUBMSK 0x4A00001C -/* clock divisor register */ -#define CLKDIVN 0x4C000014 +# define pWTCON 0x53000000 +# define INTMSK 0x4A000008 /* Interupt-Controller base addresses */ +# define INTSUBMSK 0x4A00001C +# define CLKDIVN 0x4C000014 /* clock divisor register */ #endif +#if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) ldr r0, =pWTCON mov r1, #0x0 str r1, [r0] @@ -142,17 +139,18 @@ reset: mov r1, #0xffffffff ldr r0, =INTMSK str r1, [r0] -#if defined(CONFIG_S3C2410) +# if defined(CONFIG_S3C2410) ldr r1, =0x3ff ldr r0, =INTSUBMSK str r1, [r0] -#endif +# endif /* FCLK:HCLK:PCLK = 1:2:4 */ /* default FCLK is 120 MHz ! */ ldr r0, =CLKDIVN mov r1, #3 str r1, [r0] +#endif /* CONFIG_S3C2400 || CONFIG_S3C2410 */ /* * we do sys-critical inits only at reboot, |