diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/m68k/q40/config.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/m68k/q40/config.c | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/ANDROID_3.4.5/arch/m68k/q40/config.c b/ANDROID_3.4.5/arch/m68k/q40/config.c deleted file mode 100644 index 8a1ce327..00000000 --- a/ANDROID_3.4.5/arch/m68k/q40/config.c +++ /dev/null @@ -1,346 +0,0 @@ -/* - * arch/m68k/q40/config.c - * - * Copyright (C) 1999 Richard Zidlicky - * - * originally based on: - * - * linux/bvme/config.c - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file README.legal in the main directory of this archive - * for more details. - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/tty.h> -#include <linux/console.h> -#include <linux/linkage.h> -#include <linux/init.h> -#include <linux/major.h> -#include <linux/serial_reg.h> -#include <linux/rtc.h> -#include <linux/vt_kern.h> -#include <linux/bcd.h> -#include <linux/platform_device.h> - -#include <asm/io.h> -#include <asm/rtc.h> -#include <asm/bootinfo.h> -#include <asm/pgtable.h> -#include <asm/setup.h> -#include <asm/irq.h> -#include <asm/traps.h> -#include <asm/machdep.h> -#include <asm/q40_master.h> - -extern void q40_init_IRQ(void); -static void q40_get_model(char *model); -extern void q40_sched_init(irq_handler_t handler); - -static unsigned long q40_gettimeoffset(void); -static int q40_hwclk(int, struct rtc_time *); -static unsigned int q40_get_ss(void); -static int q40_set_clock_mmss(unsigned long); -static int q40_get_rtc_pll(struct rtc_pll_info *pll); -static int q40_set_rtc_pll(struct rtc_pll_info *pll); - -extern void q40_mksound(unsigned int /*freq*/, unsigned int /*ticks*/); - -static void q40_mem_console_write(struct console *co, const char *b, - unsigned int count); - -extern int ql_ticks; - -static struct console q40_console_driver = { - .name = "debug", - .write = q40_mem_console_write, - .flags = CON_PRINTBUFFER, - .index = -1, -}; - - -/* early debugging function:*/ -extern char *q40_mem_cptr; /*=(char *)0xff020000;*/ -static int _cpleft; - -static void q40_mem_console_write(struct console *co, const char *s, - unsigned int count) -{ - const char *p = s; - - if (count < _cpleft) { - while (count-- > 0) { - *q40_mem_cptr = *p++; - q40_mem_cptr += 4; - _cpleft--; - } - } -} - -static int __init q40_debug_setup(char *arg) -{ - /* useful for early debugging stages - writes kernel messages into SRAM */ - if (MACH_IS_Q40 && !strncmp(arg, "mem", 3)) { - /*printk("using NVRAM debug, q40_mem_cptr=%p\n",q40_mem_cptr);*/ - _cpleft = 2000 - ((long)q40_mem_cptr-0xff020000) / 4; - register_console(&q40_console_driver); - } - return 0; -} - -early_param("debug", q40_debug_setup); - -#if 0 -void printq40(char *str) -{ - int l = strlen(str); - char *p = q40_mem_cptr; - - while (l-- > 0 && _cpleft-- > 0) { - *p = *str++; - p += 4; - } - q40_mem_cptr = p; -} -#endif - -static int halted; - -#ifdef CONFIG_HEARTBEAT -static void q40_heartbeat(int on) -{ - if (halted) - return; - - if (on) - Q40_LED_ON(); - else - Q40_LED_OFF(); -} -#endif - -static void q40_reset(void) -{ - halted = 1; - printk("\n\n*******************************************\n" - "Called q40_reset : press the RESET button!!\n" - "*******************************************\n"); - Q40_LED_ON(); - while (1) - ; -} - -static void q40_halt(void) -{ - halted = 1; - printk("\n\n*******************\n" - " Called q40_halt\n" - "*******************\n"); - Q40_LED_ON(); - while (1) - ; -} - -static void q40_get_model(char *model) -{ - sprintf(model, "Q40"); -} - -static unsigned int serports[] = -{ - 0x3f8,0x2f8,0x3e8,0x2e8,0 -}; - -static void q40_disable_irqs(void) -{ - unsigned i, j; - - j = 0; - while ((i = serports[j++])) - outb(0, i + UART_IER); - master_outb(0, EXT_ENABLE_REG); - master_outb(0, KEY_IRQ_ENABLE_REG); -} - -void __init config_q40(void) -{ - mach_sched_init = q40_sched_init; - - mach_init_IRQ = q40_init_IRQ; - mach_gettimeoffset = q40_gettimeoffset; - mach_hwclk = q40_hwclk; - mach_get_ss = q40_get_ss; - mach_get_rtc_pll = q40_get_rtc_pll; - mach_set_rtc_pll = q40_set_rtc_pll; - mach_set_clock_mmss = q40_set_clock_mmss; - - mach_reset = q40_reset; - mach_get_model = q40_get_model; - -#if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE) - mach_beep = q40_mksound; -#endif -#ifdef CONFIG_HEARTBEAT - mach_heartbeat = q40_heartbeat; -#endif - mach_halt = q40_halt; - - /* disable a few things that SMSQ might have left enabled */ - q40_disable_irqs(); - - /* no DMA at all, but ide-scsi requires it.. make sure - * all physical RAM fits into the boundary - otherwise - * allocator may play costly and useless tricks */ - mach_max_dma_address = 1024*1024*1024; -} - - -int q40_parse_bootinfo(const struct bi_record *rec) -{ - return 1; -} - - -static unsigned long q40_gettimeoffset(void) -{ - return 5000 * (ql_ticks != 0); -} - - -/* - * Looks like op is non-zero for setting the clock, and zero for - * reading the clock. - * - * struct hwclk_time { - * unsigned sec; 0..59 - * unsigned min; 0..59 - * unsigned hour; 0..23 - * unsigned day; 1..31 - * unsigned mon; 0..11 - * unsigned year; 00... - * int wday; 0..6, 0 is Sunday, -1 means unknown/don't set - * }; - */ - -static int q40_hwclk(int op, struct rtc_time *t) -{ - if (op) { - /* Write.... */ - Q40_RTC_CTRL |= Q40_RTC_WRITE; - - Q40_RTC_SECS = bin2bcd(t->tm_sec); - Q40_RTC_MINS = bin2bcd(t->tm_min); - Q40_RTC_HOUR = bin2bcd(t->tm_hour); - Q40_RTC_DATE = bin2bcd(t->tm_mday); - Q40_RTC_MNTH = bin2bcd(t->tm_mon + 1); - Q40_RTC_YEAR = bin2bcd(t->tm_year%100); - if (t->tm_wday >= 0) - Q40_RTC_DOW = bin2bcd(t->tm_wday+1); - - Q40_RTC_CTRL &= ~(Q40_RTC_WRITE); - } else { - /* Read.... */ - Q40_RTC_CTRL |= Q40_RTC_READ; - - t->tm_year = bcd2bin (Q40_RTC_YEAR); - t->tm_mon = bcd2bin (Q40_RTC_MNTH)-1; - t->tm_mday = bcd2bin (Q40_RTC_DATE); - t->tm_hour = bcd2bin (Q40_RTC_HOUR); - t->tm_min = bcd2bin (Q40_RTC_MINS); - t->tm_sec = bcd2bin (Q40_RTC_SECS); - - Q40_RTC_CTRL &= ~(Q40_RTC_READ); - - if (t->tm_year < 70) - t->tm_year += 100; - t->tm_wday = bcd2bin(Q40_RTC_DOW)-1; - } - - return 0; -} - -static unsigned int q40_get_ss(void) -{ - return bcd2bin(Q40_RTC_SECS); -} - -/* - * Set the minutes and seconds from seconds value 'nowtime'. Fail if - * clock is out by > 30 minutes. Logic lifted from atari code. - */ - -static int q40_set_clock_mmss(unsigned long nowtime) -{ - int retval = 0; - short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60; - - int rtc_minutes; - - rtc_minutes = bcd2bin(Q40_RTC_MINS); - - if ((rtc_minutes < real_minutes ? - real_minutes - rtc_minutes : - rtc_minutes - real_minutes) < 30) { - Q40_RTC_CTRL |= Q40_RTC_WRITE; - Q40_RTC_MINS = bin2bcd(real_minutes); - Q40_RTC_SECS = bin2bcd(real_seconds); - Q40_RTC_CTRL &= ~(Q40_RTC_WRITE); - } else - retval = -1; - - return retval; -} - - -/* get and set PLL calibration of RTC clock */ -#define Q40_RTC_PLL_MASK ((1<<5)-1) -#define Q40_RTC_PLL_SIGN (1<<5) - -static int q40_get_rtc_pll(struct rtc_pll_info *pll) -{ - int tmp = Q40_RTC_CTRL; - - pll->pll_value = tmp & Q40_RTC_PLL_MASK; - if (tmp & Q40_RTC_PLL_SIGN) - pll->pll_value = -pll->pll_value; - pll->pll_max = 31; - pll->pll_min = -31; - pll->pll_posmult = 512; - pll->pll_negmult = 256; - pll->pll_clock = 125829120; - - return 0; -} - -static int q40_set_rtc_pll(struct rtc_pll_info *pll) -{ - if (!pll->pll_ctrl) { - /* the docs are a bit unclear so I am doublesetting */ - /* RTC_WRITE here ... */ - int tmp = (pll->pll_value & 31) | (pll->pll_value<0 ? 32 : 0) | - Q40_RTC_WRITE; - Q40_RTC_CTRL |= Q40_RTC_WRITE; - Q40_RTC_CTRL = tmp; - Q40_RTC_CTRL &= ~(Q40_RTC_WRITE); - return 0; - } else - return -EINVAL; -} - -static __init int q40_add_kbd_device(void) -{ - struct platform_device *pdev; - - if (!MACH_IS_Q40) - return -ENODEV; - - pdev = platform_device_register_simple("q40kbd", -1, NULL, 0); - if (IS_ERR(pdev)) - return PTR_ERR(pdev); - - return 0; -} -arch_initcall(q40_add_kbd_device); |