diff options
| -rw-r--r-- | arch/powerpc/Kconfig | 6 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/todc.c | 392 | ||||
| -rw-r--r-- | include/asm-powerpc/todc.h | 487 |
4 files changed, 0 insertions, 886 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 8b6910465578..7107d472413f 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -594,12 +594,6 @@ config TAU_AVERAGE If in doubt, say N here. -config PPC_TODC - depends on EMBEDDED6xx - bool "Generic Time-of-day Clock (TODC) support" - ---help--- - This adds support for many TODC/RTC chips. - endmenu source arch/powerpc/platforms/embedded6xx/Kconfig diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index 91f052d8cce0..f15af0e82f1c 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -10,7 +10,6 @@ obj-$(CONFIG_40x) += dcr.o obj-$(CONFIG_U3_DART) += dart_iommu.o obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o obj-$(CONFIG_FSL_SOC) += fsl_soc.o -obj-$(CONFIG_PPC_TODC) += todc.o obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o obj-$(CONFIG_QUICC_ENGINE) += qe_lib/ diff --git a/arch/powerpc/sysdev/todc.c b/arch/powerpc/sysdev/todc.c deleted file mode 100644 index 0a65980efb50..000000000000 --- a/arch/powerpc/sysdev/todc.c +++ /dev/null @@ -1,392 +0,0 @@ -/* - * Time of Day Clock support for the M48T35, M48T37, M48T59, and MC146818 - * Real Time Clocks/Timekeepers. - * - * Author: Mark A. Greer <mgreer@mvista.com> - * - * 2001-2004 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/time.h> -#include <linux/timex.h> -#include <linux/bcd.h> -#include <linux/mc146818rtc.h> - -#include <asm/machdep.h> -#include <asm/io.h> -#include <asm/time.h> -#include <asm/todc.h> - -/* - * Depending on the hardware on your board and your board design, the - * RTC/NVRAM may be accessed either directly (like normal memory) or via - * address/data registers. If your board uses the direct method, set - * 'nvram_data' to the base address of your nvram and leave 'nvram_as0' and - * 'nvram_as1' NULL. If your board uses address/data regs to access nvram, - * set 'nvram_as0' to the address of the lower byte, set 'nvram_as1' to the - * address of the upper byte (leave NULL if using mc146818), and set - * 'nvram_data' to the address of the 8-bit data register. - * - * Note: Even though the documentation for the various RTC chips say that it - * take up to a second before it starts updating once the 'R' bit is - * cleared, they always seem to update even though we bang on it many - * times a second. This is true, except for the Dallas Semi 1746/1747 - * (possibly others). Those chips seem to have a real problem whenever - * we set the 'R' bit before reading them, they basically stop counting. - * --MAG - */ - -/* - * 'todc_info' should be initialized in your *_setup.c file to - * point to a fully initialized 'todc_info_t' structure. - * This structure holds all the register offsets for your particular - * TODC/RTC chip. - * TODC_ALLOC()/TODC_INIT() will allocate and initialize this table for you. - */ - -#ifdef RTC_FREQ_SELECT -#undef RTC_FREQ_SELECT -#define RTC_FREQ_SELECT control_b /* Register A */ -#endif - -#ifdef RTC_CONTROL -#undef RTC_CONTROL -#define RTC_CONTROL control_a /* Register B */ -#endif - -#ifdef RTC_INTR_FLAGS -#undef RTC_INTR_FLAGS -#define RTC_INTR_FLAGS watchdog /* Register C */ -#endif - -#ifdef RTC_VALID -#undef RTC_VALID -#define RTC_VALID interrupts /* Register D */ -#endif - -/* Access routines when RTC accessed directly (like normal memory) */ -u_char -todc_direct_read_val(int addr) -{ - return readb((void __iomem *)(todc_info->nvram_data + addr)); -} - -void -todc_direct_write_val(int addr, unsigned char val) -{ - writeb(val, (void __iomem *)(todc_info->nvram_data + addr)); - return; -} - -/* Access routines for accessing m48txx type chips via addr/data regs */ -u_char -todc_m48txx_read_val(int addr) -{ - outb(addr, todc_info->nvram_as0); - outb(addr>>todc_info->as0_bits, todc_info->nvram_as1); - return inb(todc_info->nvram_data); -} - -void -todc_m48txx_write_val(int addr, unsigned char val) -{ - outb(addr, todc_info->nvram_as0); - outb(addr>>todc_info->as0_bits, todc_info->nvram_as1); - outb(val, todc_info->nvram_data); - return; -} - -/* Access routines for accessing mc146818 type chips via addr/data regs */ -u_char -todc_mc146818_read_val(int addr) -{ - outb_p(addr, todc_info->nvram_as0); - return inb_p(todc_info->nvram_data); -} - -void -todc_mc146818_write_val(int addr, unsigned char val) -{ - outb_p(addr, todc_info->nvram_as0); - outb_p(val, todc_info->nvram_data); -} - - -/* - * Routines to make RTC chips with NVRAM buried behind an addr/data pair - * have the NVRAM and clock regs appear at the same level. - * The NVRAM will appear to start at addr 0 and the clock regs will appear - * to start immediately after the NVRAM (actually, start at offset - * todc_info->nvram_size). - */ -static inline u_char -todc_read_val(int addr) -{ - u_char val; - - if (todc_info->sw_flags & TODC_FLAG_2_LEVEL_NVRAM) { - if (addr < todc_info->nvram_size) { /* NVRAM */ - ppc_md.rtc_write_val(todc_info->nvram_addr_reg, addr); - val = ppc_md.rtc_read_val(todc_info->nvram_data_reg); - } else { /* Clock Reg */ - addr -= todc_info->nvram_size; - val = ppc_md.rtc_read_val(addr); - } - } else - val = ppc_md.rtc_read_val(addr); - - return val; -} - -static inline void -todc_write_val(int addr, u_char val) -{ - if (todc_info->sw_flags & TODC_FLAG_2_LEVEL_NVRAM) { - if (addr < todc_info->nvram_size) { /* NVRAM */ - ppc_md.rtc_write_val(todc_info->nvram_addr_reg, addr); - ppc_md.rtc_write_val(todc_info->nvram_data_reg, val); - } else { /* Clock Reg */ - addr -= todc_info->nvram_size; - ppc_md.rtc_write_val(addr, val); - } - } else - ppc_md.rtc_write_val(addr, val); -} - -/* - * TODC routines - * - * There is some ugly stuff in that there are assumptions for the mc146818. - * - * Assumptions: - * - todc_info->control_a has the offset as mc146818 Register B reg - * - todc_info->control_b has the offset as mc146818 Register A reg - * - m48txx control reg's write enable or 'W' bit is same as - * mc146818 Register B 'SET' bit (i.e., 0x80) - * - * These assumptions were made to make the code simpler. - */ -long __init -todc_time_init(void) -{ - u_char cntl_b; - - if (!ppc_md.rtc_read_val) - ppc_md.rtc_read_val = ppc_md.nvram_read_val; - if (!ppc_md.rtc_write_val) - ppc_md.rtc_write_val = ppc_md.nvram_write_val; - - cntl_b = todc_read_val(todc_info->control_b); - - if (todc_info->rtc_type == TODC_TYPE_MC146818) { - if ((cntl_b & 0x70) != 0x20) { - printk(KERN_INFO "TODC real-time-clock was stopped." - " Now starting..."); - cntl_b &= ~0x70; - cntl_b |= 0x20; - } - - todc_write_val(todc_info->control_b, cntl_b); - } else if (todc_info->rtc_type == TODC_TYPE_DS17285) { - u_char mode; - - mode = todc_read_val(TODC_TYPE_DS17285_CNTL_A); - /* Make sure countdown clear is not set */ - mode &= ~0x40; - /* Enable oscillator, extended register set */ - mode |= 0x30; - todc_write_val(TODC_TYPE_DS17285_CNTL_A, mode); - - } else if (todc_info->rtc_type == TODC_TYPE_DS1501) { - u_char month; - - todc_info->enable_read = TODC_DS1501_CNTL_B_TE; - todc_info->enable_write = TODC_DS1501_CNTL_B_TE; - - month = todc_read_val(todc_info->month); - - if ((month & 0x80) == 0x80) { - printk(KERN_INFO "TODC %s %s\n", - "real-time-clock was stopped.", - "Now starting..."); - month &= ~0x80; - todc_write_val(todc_info->month, month); - } - - cntl_b &= ~TODC_DS1501_CNTL_B_TE; - todc_write_val(todc_info->control_b, cntl_b); - } else { /* must be a m48txx type */ - u_char cntl_a; - - todc_info->enable_read = TODC_MK48TXX_CNTL_A_R; - todc_info->enable_write = TODC_MK48TXX_CNTL_A_W; - - cntl_a = todc_read_val(todc_info->control_a); - - /* Check & clear STOP bit in control B register */ - if (cntl_b & TODC_MK48TXX_DAY_CB) { - printk(KERN_INFO "TODC %s %s\n", - "real-time-clock was stopped.", - "Now starting..."); - - cntl_a |= todc_info->enable_write; - cntl_b &= ~TODC_MK48TXX_DAY_CB;/* Start Oscil */ - - todc_write_val(todc_info->control_a, cntl_a); - todc_write_val(todc_info->control_b, cntl_b); - } - - /* Make sure READ & WRITE bits are cleared. */ - cntl_a &= ~(todc_info->enable_write | todc_info->enable_read); - todc_write_val(todc_info->control_a, cntl_a); - } - - return 0; -} - -/* - * There is some ugly stuff in that there are assumptions that for a mc146818, - * the todc_info->control_a has the offset of the mc146818 Register B reg and - * that the register'ss 'SET' bit is the same as the m48txx's write enable - * bit in the control register of the m48txx (i.e., 0x80). - * - * It was done to make the code look simpler. - */ -void -todc_get_rtc_time(struct rtc_time *tm) -{ - uint year = 0, mon = 0, mday = 0, hour = 0, min = 0, sec = 0; - uint limit, i; - u_char save_control, uip = 0; - extern void GregorianDay(struct rtc_time *); - - spin_lock(&rtc_lock); - save_control = todc_read_val(todc_info->control_a); - - if (todc_info->rtc_type != TODC_TYPE_MC146818) { - limit = 1; - - switch (todc_info->rtc_type) { - case TODC_TYPE_DS1553: - case TODC_TYPE_DS1557: - case TODC_TYPE_DS1743: - case TODC_TYPE_DS1746: /* XXXX BAD HACK -> FIX */ - case TODC_TYPE_DS1747: - case TODC_TYPE_DS17285: - break; - default: - todc_write_val(todc_info->control_a, - (save_control | todc_info->enable_read)); - } - } else - limit = 100000000; - - for (i=0; i<limit; i++) { - if (todc_info->rtc_type == TODC_TYPE_MC146818) - uip = todc_read_val(todc_info->RTC_FREQ_SELECT); - - sec = todc_read_val(todc_info->seconds) & 0x7f; - min = todc_read_val(todc_info->minutes) & 0x7f; - hour = todc_read_val(todc_info->hours) & 0x3f; - mday = todc_read_val(todc_info->day_of_month) & 0x3f; - mon = todc_read_val(todc_info->month) & 0x1f; - year = todc_read_val(todc_info->year) & 0xff; - - if (todc_info->rtc_type == TODC_TYPE_MC146818) { - uip |= todc_read_val(todc_info->RTC_FREQ_SELECT); - if ((uip & RTC_UIP) == 0) - break; - } - } - - if (todc_info->rtc_type != TODC_TYPE_MC146818) { - switch (todc_info->rtc_type) { - case TODC_TYPE_DS1553: - case TODC_TYPE_DS1557: - case TODC_TYPE_DS1743: - case TODC_TYPE_DS1746: /* XXXX BAD HACK -> FIX */ - case TODC_TYPE_DS1747: - case TODC_TYPE_DS17285: - break; - default: - save_control &= ~(todc_info->enable_read); - todc_write_val(todc_info->control_a, save_control); - } - } - spin_unlock(&rtc_lock); - - if ((todc_info->rtc_type != TODC_TYPE_MC146818) - || ((save_control & RTC_DM_BINARY) == 0) - || RTC_ALWAYS_BCD) { - BCD_TO_BIN(sec); - BCD_TO_BIN(min); - BCD_TO_BIN(hour); - BCD_TO_BIN(mday); - BCD_TO_BIN(mon); - BCD_TO_BIN(year); - } - - if ((year + 1900) < 1970) { - year += 100; - } - - tm->tm_sec = sec; - tm->tm_min = min; - tm->tm_hour = hour; - tm->tm_mday = mday; - tm->tm_mon = mon; - tm->tm_year = year; - - GregorianDay(tm); -} - -int -todc_set_rtc_time(struct rtc_time *tm) -{ - u_char save_control, save_freq_select = 0; - - spin_lock(&rtc_lock); - save_control = todc_read_val(todc_info->control_a); - - /* Assuming MK48T59_RTC_CA_WRITE & RTC_SET are equal */ - todc_write_val(todc_info->control_a, - (save_control | todc_info->enable_write)); - save_control &= ~(todc_info->enable_write); /* in case it was set */ - - if (todc_info->rtc_type == TODC_TYPE_MC146818) { - save_freq_select = todc_read_val(todc_info->RTC_FREQ_SELECT); - todc_write_val(todc_info->RTC_FREQ_SELECT, - save_freq_select | RTC_DIV_RESET2); - } - - if ((todc_info->rtc_type != TODC_TYPE_MC146818) - || ((save_control & RTC_DM_BINARY) == 0) - || RTC_ALWAYS_BCD) { - BIN_TO_BCD(tm->tm_sec); - BIN_TO_BCD(tm->tm_min); - BIN_TO_BCD(tm->tm_hour); - BIN_TO_BCD(tm->tm_mon); - BIN_TO_BCD(tm->tm_mday); - BIN_TO_BCD(tm->tm_year); - } - - todc_write_val(todc_info->seconds, tm->tm_sec); - todc_write_val(todc_info->minutes, tm->tm_min); - todc_write_val(todc_info->hours, tm->tm_hour); - todc_write_val(todc_info->month, tm->tm_mon); - todc_write_val(todc_info->day_of_month, tm->tm_mday); - todc_write_val(todc_info->year, tm->tm_year); - - todc_write_val(todc_info->control_a, save_control); - - if (todc_info->rtc_type == TODC_TYPE_MC146818) - todc_write_val(todc_info->RTC_FREQ_SELECT, save_freq_select); - - spin_unlock(&rtc_lock); - return 0; -} diff --git a/include/asm-powerpc/todc.h b/include/asm-powerpc/todc.h deleted file mode 100644 index 60a8c39b8c11..000000000000 --- a/include/asm-powerpc/todc.h +++ /dev/null @@ -1,487 +0,0 @@ -/* - * Definitions for the M48Txx and mc146818 series of Time of day/Real Time - * Clock chips. - * - * Author: Mark A. Greer <mgreer@mvista.com> - * - * 2001 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -/* - * Support for the M48T37/M48T59/.../mc146818 Real Time Clock chips. - * Purpose is to make one generic file that handles all of these chips instead - * of every platform implementing the same code over & over again. - */ - -#ifndef __PPC_KERNEL_TODC_H -#define __PPC_KERNEL_TODC_H - -typedef struct { - uint rtc_type; /* your particular chip */ - - /* - * Following are the addresses of the AS0, AS1, and DATA registers - * of these chips. Note that these are board-specific. - */ - unsigned int nvram_as0; - unsigned int nvram_as1; - unsigned int nvram_data; - - /* - * Define bits to stop external set of regs from changing so - * the chip can be read/written reliably. - */ - unsigned char enable_read; - unsigned char enable_write; - - /* - * Following is the number of AS0 address bits. This is normally - * 8 but some bad hardware routes address lines incorrectly. - */ - int as0_bits; - - int nvram_size; /* Size of NVRAM on chip */ - int sw_flags; /* Software control flags */ - - /* Following are the register offsets for the particular chip */ - int year; - int month; - int day_of_month; - int day_of_week; - int hours; - int minutes; - int seconds; - int control_b; - int control_a; - int watchdog; - int interrupts; - int alarm_date; - int alarm_hour; - int alarm_minutes; - int alarm_seconds; - int century; - int flags; - - /* - * Some RTC chips have their NVRAM buried behind a addr/data pair of - * regs on the first level/clock registers. The following fields - * are the addresses for those addr/data regs. - */ - int nvram_addr_reg; - int nvram_data_reg; -} todc_info_t; - -/* - * Define the types of TODC/RTC variants that are supported in - * arch/ppc/kernel/todc_time.c - * Make a new one of these for any chip somehow differs from what's already - * defined. That way, if you ever need to put in code to touch those - * bits/registers in todc_time.c, you can put it inside an - * 'if (todc_info->rtc_type == TODC_TYPE_XXX)' so you won't break - * anyone else. - */ -#define TODC_TYPE_MK48T35 1 -#define TODC_TYPE_MK48T37 2 -#define TODC_TYPE_MK48T59 3 -#define TODC_TYPE_DS1693 4 /* Dallas DS1693 RTC */ -#define TODC_TYPE_DS1743 5 /* Dallas DS1743 RTC */ -#define TODC_TYPE_DS1746 6 /* Dallas DS1746 RTC */ -#define TODC_TYPE_DS1747 7 /* Dallas DS1747 RTC */ -#define TODC_TYPE_DS1501 8 /* Dallas DS1501 RTC */ -#define TODC_TYPE_DS1643 9 /* Dallas DS1643 RTC */ -#define TODC_TYPE_PC97307 10 /* PC97307 internal RTC */ -#define TODC_TYPE_DS1557 11 /* Dallas DS1557 RTC */ -#define TODC_TYPE_DS17285 12 /* Dallas DS17285 RTC */ -#define TODC_TYPE_DS1553 13 /* Dallas DS1553 RTC */ -#define TODC_TYPE_MC146818 100 /* Leave room for m48txx's */ - -/* - * Bit to clear/set to enable reads/writes to the chip - */ -#define TODC_MK48TXX_CNTL_A_R 0x40 -#define TODC_MK48TXX_CNTL_A_W 0x80 -#define TODC_MK48TXX_DAY_CB 0x80 - -#define TODC_DS1501_CNTL_B_TE 0x80 - -/* - * Define flag bits used by todc routines. - */ -#define TODC_FLAG_2_LEVEL_NVRAM 0x00000001 - -/* - * Define the values for the various RTC's that should to into the todc_info - * table. - * Note: The XXX_NVRAM_SIZE, XXX_NVRAM_ADDR_REG, and XXX_NVRAM_DATA_REG only - * matter if XXX_SW_FLAGS has TODC_FLAG_2_LEVEL_NVRAM set. - */ -#define TODC_TYPE_MK48T35_NVRAM_SIZE 0x7ff8 -#define TODC_TYPE_MK48T35_SW_FLAGS 0 -#define TODC_TYPE_MK48T35_YEAR 0x7fff -#define TODC_TYPE_MK48T35_MONTH 0x7ffe -#define TODC_TYPE_MK48T35_DOM 0x7ffd /* Day of Month */ -#define TODC_TYPE_MK48T35_DOW 0x7ffc /* Day of Week */ -#define TODC_TYPE_MK48T35_HOURS 0x7ffb -#define TODC_TYPE_MK48T35_MINUTES 0x7ffa -#define TODC_TYPE_MK48T35_SECONDS 0x7ff9 -#define TODC_TYPE_MK48T35_CNTL_B 0x7ff9 -#define TODC_TYPE_MK48T35_CNTL_A 0x7ff8 -#define TODC_TYPE_MK48T35_WATCHDOG 0x0000 -#define TODC_TYPE_MK48T35_INTERRUPTS 0x0000 -#define TODC_TYPE_MK48T35_ALARM_DATE 0x0000 -#define TODC_TYPE_MK48T35_ALARM_HOUR 0x0000 -#define TODC_TYPE_MK48T35_ALARM_MINUTES 0x0000 -#define TODC_TYPE_MK48T35_ALARM_SECONDS 0x0000 -#define TODC_TYPE_MK48T35_CENTURY 0x0000 -#define TODC_TYPE_MK48T35_FLAGS 0x0000 -#define TODC_TYPE_MK48T35_NVRAM_ADDR_REG 0 -#define TODC_TYPE_MK48T35_NVRAM_DATA_REG 0 - -#define TODC_TYPE_MK48T37_NVRAM_SIZE 0x7ff0 -#define TODC_TYPE_MK48T37_SW_FLAGS 0 -#define TODC_TYPE_MK48T37_YEAR 0x7fff -#define TODC_TYPE_MK48T37_MONTH 0x7ffe -#define TODC_TYPE_MK48T37_DOM 0x7ffd /* Day of Month */ -#define TODC_TYPE_MK48T37_DOW 0x7ffc /* Day of Week */ -#define TODC_TYPE_MK48T37_HOURS 0x7ffb -#define TODC_TYPE_MK48T37_MINUTES 0x7ffa -#define TODC_TYPE_MK48T37_SECONDS 0x7ff9 -#define TODC_TYPE_MK48T37_CNTL_B 0x7ff9 -#define TODC_TYPE_MK48T37_CNTL_A 0x7ff8 -#define TODC_TYPE_MK48T37_WATCHDOG 0x7ff7 -#define TODC_TYPE_MK48T37_INTERRUPTS 0x7ff6 -#define TODC_TYPE_MK48T37_ALARM_DATE 0x7ff5 -#define TODC_TYPE_MK48T37_ALARM_HOUR 0x7ff4 -#define TODC_TYPE_MK48T37_ALARM_MINUTES 0x7ff3 -#define TODC_TYPE_MK48T37_ALARM_SECONDS 0x7ff2 -#define TODC_TYPE_MK48T37_CENTURY 0x7ff1 -#define TODC_TYPE_MK48T37_FLAGS 0x7ff0 -#define TODC_TYPE_MK48T37_NVRAM_ADDR_REG 0 -#define TODC_TYPE_MK48T37_NVRAM_DATA_REG 0 - -#define TODC_TYPE_MK48T59_NVRAM_SIZE 0x1ff0 -#define TODC_TYPE_MK48T59_SW_FLAGS 0 -#define TODC_TYPE_MK48T59_YEAR 0x1fff -#define TODC_TYPE_MK48T59_MONTH 0x1ffe -#define TODC_TYPE_MK48T59_DOM 0x1ffd /* Day of Month */ -#define TODC_TYPE_MK48T59_DOW 0x1ffc /* Day of Week */ -#define TODC_TYPE_MK48T59_HOURS 0x1ffb -#define TODC_TYPE_MK48T59_MINUTES 0x1ffa -#define TODC_TYPE_MK48T59_SECONDS 0x1ff9 -#define TODC_TYPE_MK48T59_CNTL_B 0x1ff9 -#define TODC_TYPE_MK48T59_CNTL_A 0x1ff8 -#define TODC_TYPE_MK48T59_WATCHDOG 0x1fff -#define TODC_TYPE_MK48T59_INTERRUPTS 0x1fff -#define TODC_TYPE_MK48T59_ALARM_DATE 0x1fff -#define TODC_TYPE_MK48T59_ALARM_HOUR 0x1fff -#define TODC_TYPE_MK48T59_ALARM_MINUTES 0x1fff -#define TODC_TYPE_MK48T59_ALARM_SECONDS 0x1fff -#define TODC_TYPE_MK48T59_CENTURY 0x1fff -#define TODC_TYPE_MK48T59_FLAGS 0x1fff -#define TODC_TYPE_MK48T59_NVRAM_ADDR_REG 0 -#define TODC_TYPE_MK48T59_NVRAM_DATA_REG 0 - -#define TODC_TYPE_DS1501_NVRAM_SIZE 0x100 -#define TODC_TYPE_DS1501_SW_FLAGS TODC_FLAG_2_LEVEL_NVRAM -#define TODC_TYPE_DS1501_YEAR (TODC_TYPE_DS1501_NVRAM_SIZE + 0x06) -#define TODC_TYPE_DS1501_MONTH (TODC_TYPE_DS1501_NVRAM_SIZE + 0x05) -#define TODC_TYPE_DS1501_DOM (TODC_TYPE_DS1501_NVRAM_SIZE + 0x04) -#define TODC_TYPE_DS1501_DOW (TODC_TYPE_DS1501_NVRAM_SIZE + 0x03) -#define TODC_TYPE_DS1501_HOURS (TODC_TYPE_DS1501_NVRAM_SIZE + 0x02) -#define TODC_TYPE_DS1501_MINUTES (TODC_TYPE_DS1501_NVRAM_SIZE + 0x01) -#define TODC_TYPE_DS1501_SECONDS (TODC_TYPE_DS1501_NVRAM_SIZE + 0x00) -#define TODC_TYPE_DS1501_CNTL_B (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0f) -#define TODC_TYPE_DS1501_CNTL_A (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0f) -#define TODC_TYPE_DS1501_WATCHDOG (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff) -#define TODC_TYPE_DS1501_INTERRUPTS (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff) -#define TODC_TYPE_DS1501_ALARM_DATE (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0b) -#define TODC_TYPE_DS1501_ALARM_HOUR (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0a) -#define TODC_TYPE_DS1501_ALARM_MINUTES (TODC_TYPE_DS1501_NVRAM_SIZE + 0x09) -#define TODC_TYPE_DS1501_ALARM_SECONDS (TODC_TYPE_DS1501_NVRAM_SIZE + 0x08) -#define TODC_TYPE_DS1501_CENTURY (TODC_TYPE_DS1501_NVRAM_SIZE + 0x07) -#define TODC_TYPE_DS1501_FLAGS (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff) -#define TODC_TYPE_DS1501_NVRAM_ADDR_REG 0x10 -#define TODC_TYPE_DS1501_NVRAM_DATA_REG 0x13 - -#define TODC_TYPE_DS1553_NVRAM_SIZE 0x1ff0 -#define TODC_TYPE_DS1553_SW_FLAGS 0 -#define TODC_TYPE_DS1553_YEAR 0x1fff -#define TODC_TYPE_DS1553_MONTH 0x1ffe -#define TODC_TYPE_DS1553_DOM 0x1ffd /* Day of Month */ -#define TODC_TYPE_DS1553_DOW 0x1ffc /* Day of Week */ -#define TODC_TYPE_DS1553_HOURS 0x1ffb -#define TODC_TYPE_DS1553_MINUTES 0x1ffa -#define TODC_TYPE_DS1553_SECONDS 0x1ff9 -#define TODC_TYPE_DS1553_CNTL_B 0x1ff9 -#define TODC_TYPE_DS1553_CNTL_A 0x1ff8 /* control_a R/W regs */ -#define TODC_TYPE_DS1553_WATCHDOG 0x1ff7 -#define TODC_TYPE_DS1553_INTERRUPTS 0x1ff6 -#define TODC_TYPE_DS1553_ALARM_DATE 0x1ff5 -#define TODC_TYPE_DS1553_ALARM_HOUR 0x1ff4 -#define TODC_TYPE_DS1553_ALARM_MINUTES 0x1ff3 -#define TODC_TYPE_DS1553_ALARM_SECONDS 0x1ff2 -#define TODC_TYPE_DS1553_CENTURY 0x1ff8 -#define TODC_TYPE_DS1553_FLAGS 0x1ff0 -#define TODC_TYPE_DS1553_NVRAM_ADDR_REG 0 -#define TODC_TYPE_DS1553_NVRAM_DATA_REG 0 - -#define TODC_TYPE_DS1557_NVRAM_SIZE 0x7fff0 -#define TODC_TYPE_DS1557_SW_FLAGS 0 -#define TODC_TYPE_DS1557_YEAR 0x7ffff -#define TODC_TYPE_DS1557_MONTH 0x7fffe -#define TODC_TYPE_DS1557_DOM 0x7fffd /* Day of Month */ -#define TODC_TYPE_DS1557_DOW 0x7fffc /* Day of Week */ -#define TODC_TYPE_DS1557_HOURS 0x7fffb -#define TODC_TYPE_DS1557_MINUTES 0x7fffa -#define TODC_TYPE_DS1557_SECONDS 0x7fff9 -#define TODC_TYPE_DS1557_CNTL_B 0x7fff9 -#define TODC_TYPE_DS1557_CNTL_A 0x7fff8 /* control_a R/W regs */ -#define TODC_TYPE_DS1557_WATCHDOG 0x7fff7 -#define TODC_TYPE_DS1557_INTERRUPTS 0x7fff6 -#define TODC_TYPE_DS1557_ALARM_DATE 0x7fff5 -#define TODC_TYPE_DS1557_ALARM_HOUR 0x7fff4 -#define TODC_TYPE_DS1557_ALARM_MINUTES 0x7fff3 -#define TODC_TYPE_DS1557_ALARM_SECONDS 0x7fff2 -#define TODC_TYPE_DS1557_CENTURY 0x7fff8 -#define TODC_TYPE_DS1557_FLAGS 0x7fff0 -#define TODC_TYPE_DS1557_NVRAM_ADDR_REG 0 -#define TODC_TYPE_DS1557_NVRAM_DATA_REG 0 - -#define TODC_TYPE_DS1643_NVRAM_SIZE 0x1ff8 -#define TODC_TYPE_DS1643_SW_FLAGS 0 -#define TODC_TYPE_DS1643_YEAR 0x1fff -#define TODC_TYPE_DS1643_MONTH 0x1ffe -#define TODC_TYPE_DS1643_DOM 0x1ffd /* Day of Month */ -#define TODC_TYPE_DS1643_DOW 0x1ffc /* Day of Week */ -#define TODC_TYPE_DS1643_HOURS 0x1ffb -#define TODC_TYPE_DS1643_MINUTES 0x1ffa -#define TODC_TYPE_DS1643_SECONDS 0x1ff9 -#define TODC_TYPE_DS1643_CNTL_B 0x1ff9 -#define TODC_TYPE_DS1643_CNTL_A 0x1ff8 /* control_a R/W regs */ -#define TODC_TYPE_DS1643_WATCHDOG 0x1fff -#define TODC_TYPE_DS1643_INTERRUPTS 0x1fff -#define TODC_TYPE_DS1643_ALARM_DATE 0x1fff -#define TODC_TYPE_DS1643_ALARM_HOUR 0x1fff -#define TODC_TYPE_DS1643_ALARM_MINUTES 0x1fff -#define TODC_TYPE_DS1643_ALARM_SECONDS 0x1fff -#define TODC_TYPE_DS1643_CENTURY 0x1ff8 -#define TODC_TYPE_DS1643_FLAGS 0x1fff -#define TODC_TYPE_DS1643_NVRAM_ADDR_REG 0 -#define TODC_TYPE_DS1643_NVRAM_DATA_REG 0 - -#define TODC_TYPE_DS1693_NVRAM_SIZE 0 /* Not handled yet */ -#define TODC_TYPE_DS1693_SW_FLAGS 0 -#define TODC_TYPE_DS1693_YEAR 0x09 -#define TODC_TYPE_DS1693_MONTH 0x08 -#define TODC_TYPE_DS1693_DOM 0x07 /* Day of Month */ -#define TODC_TYPE_DS1693_DOW 0x06 /* Day of Week */ -#define TODC_TYPE_DS1693_HOURS 0x04 -#define TODC_TYPE_DS1693_MINUTES 0x02 -#define TODC_TYPE_DS1693_SECONDS 0x00 -#define TODC_TYPE_DS1693_CNTL_B 0x0b -#define TODC_TYPE_DS1693_CNTL_A 0x0a -#define TODC_TYPE_DS1693_WATCHDOG 0xff -#define TODC_TYPE_DS1693_INTERRUPTS 0xff -#define TODC_TYPE_DS1693_ALARM_DATE 0x49 -#define TODC_TYPE_DS1693_ALARM_HOUR 0x05 -#define TODC_TYPE_DS1693_ALARM_MINUTES 0x03 -#define TODC_TYPE_DS1693_ALARM_SECONDS 0x01 -#define TODC_TYPE_DS1693_CENTURY 0x48 -#define TODC_TYPE_DS1693_FLAGS 0xff -#define TODC_TYPE_DS1693_NVRAM_ADDR_REG 0 -#define TODC_TYPE_DS1693_NVRAM_DATA_REG 0 - -#define TODC_TYPE_DS1743_NVRAM_SIZE 0x1ff8 -#define TODC_TYPE_DS1743_SW_FLAGS 0 -#define TODC_TYPE_DS1743_YEAR 0x1fff -#define TODC_TYPE_DS1743_MONTH 0x1ffe -#define TODC_TYPE_DS1743_DOM 0x1ffd /* Day of Month */ -#define TODC_TYPE_DS1743_DOW 0x1ffc /* Day of Week */ -#define TODC_TYPE_DS1743_HOURS 0x1ffb -#define TODC_TYPE_DS1743_MINUTES 0x1ffa -#define TODC_TYPE_DS1743_SECONDS 0x1ff9 -#define TODC_TYPE_DS1743_CNTL_B 0x1ff9 -#define TODC_TYPE_DS1743_CNTL_A 0x1ff8 /* control_a R/W regs */ -#define TODC_TYPE_DS1743_WATCHDOG 0x1fff -#define TODC_TYPE_DS1743_INTERRUPTS 0x1fff -#define TODC_TYPE_DS1743_ALARM_DATE 0x1fff -#define TODC_TYPE_DS1743_ALARM_HOUR 0x1fff -#define TODC_TYPE_DS1743_ALARM_MINUTES 0x1fff -#define TODC_TYPE_DS1743_ALARM_SECONDS 0x1fff -#define TODC_TYPE_DS1743_CENTURY 0x1ff8 -#define TODC_TYPE_DS1743_FLAGS 0x1fff -#define TODC_TYPE_DS1743_NVRAM_ADDR_REG 0 -#define TODC_TYPE_DS1743_NVRAM_DATA_REG 0 - -#define TODC_TYPE_DS1746_NVRAM_SIZE 0x1fff8 -#define TODC_TYPE_DS1746_SW_FLAGS 0 -#define TODC_TYPE_DS1746_YEAR 0x1ffff -#define TODC_TYPE_DS1746_MONTH 0x1fffe -#define TODC_TYPE_DS1746_DOM 0x1fffd /* Day of Month */ -#define TODC_TYPE_DS1746_DOW 0x1fffc /* Day of Week */ -#define TODC_TYPE_DS1746_HOURS 0x1fffb -#define TODC_TYPE_DS1746_MINUTES 0x1fffa -#define TODC_TYPE_DS1746_SECONDS 0x1fff9 -#define TODC_TYPE_DS1746_CNTL_B 0x1fff9 -#define TODC_TYPE_DS1746_CNTL_A 0x1fff8 /* control_a R/W regs */ -#define TODC_TYPE_DS1746_WATCHDOG 0x00000 -#define TODC_TYPE_DS1746_INTERRUPTS 0x00000 -#define TODC_TYPE_DS1746_ALARM_DATE 0x00000 -#define TODC_TYPE_DS1746_ALARM_HOUR 0x00000 -#define TODC_TYPE_DS1746_ALARM_MINUTES 0x00000 -#define TODC_TYPE_DS1746_ALARM_SECONDS 0x00000 -#define TODC_TYPE_DS1746_CENTURY 0x00000 -#define TODC_TYPE_DS1746_FLAGS 0x00000 -#define TODC_TYPE_DS1746_NVRAM_ADDR_REG 0 -#define TODC_TYPE_DS1746_NVRAM_DATA_REG 0 - -#define TODC_TYPE_DS1747_NVRAM_SIZE 0x7fff8 -#define TODC_TYPE_DS1747_SW_FLAGS 0 -#define TODC_TYPE_DS1747_YEAR 0x7ffff -#define TODC_TYPE_DS1747_MONTH 0x7fffe -#define TODC_TYPE_DS1747_DOM 0x7fffd /* Day of Month */ -#define TODC_TYPE_DS1747_DOW 0x7fffc /* Day of Week */ -#define TODC_TYPE_DS1747_HOURS 0x7fffb -#define TODC_TYPE_DS1747_MINUTES 0x7fffa -#define TODC_TYPE_DS1747_SECONDS 0x7fff9 -#define TODC_TYPE_DS1747_CNTL_B 0x7fff9 -#define TODC_TYPE_DS1747_CNTL_A 0x7fff8 /* control_a R/W regs */ -#define TODC_TYPE_DS1747_WATCHDOG 0x00000 -#define TODC_TYPE_DS1747_INTERRUPTS 0x00000 -#define TODC_TYPE_DS1747_ALARM_DATE 0x00000 -#define TODC_TYPE_DS1747_ALARM_HOUR 0x00000 -#define TODC_TYPE_DS1747_ALARM_MINUTES 0x00000 -#define TODC_TYPE_DS1747_ALARM_SECONDS 0x00000 -#define TODC_TYPE_DS1747_CENTURY 0x00000 -#define TODC_TYPE_DS1747_FLAGS 0x00000 -#define TODC_TYPE_DS1747_NVRAM_ADDR_REG 0 -#define TODC_TYPE_DS1747_NVRAM_DATA_REG 0 - -#define TODC_TYPE_DS17285_NVRAM_SIZE (0x1000-0x80) /* 4Kx8 NVRAM (minus RTC regs) */ -#define TODC_TYPE_DS17285_SW_FLAGS TODC_FLAG_2_LEVEL_NVRAM -#define TODC_TYPE_DS17285_SECONDS (TODC_TYPE_DS17285_NVRAM_SIZE + 0x00) -#define TODC_TYPE_DS17285_ALARM_SECONDS (TODC_TYPE_DS17285_NVRAM_SIZE + 0x01) -#define TODC_TYPE_DS17285_MINUTES (TODC_TYPE_DS17285_NVRAM_SIZE + 0x02) -#define TODC_TYPE_DS17285_ALARM_MINUTES (TODC_TYPE_DS17285_NVRAM_SIZE + 0x03) -#define TODC_TYPE_DS17285_HOURS (TODC_TYPE_DS17285_NVRAM_SIZE + 0x04) -#define TODC_TYPE_DS17285_ALARM_HOUR (TODC_TYPE_DS17285_NVRAM_SIZE + 0x05) -#define TODC_TYPE_DS17285_DOW (TODC_TYPE_DS17285_NVRAM_SIZE + 0x06) -#define TODC_TYPE_DS17285_DOM (TODC_TYPE_DS17285_NVRAM_SIZE + 0x07) -#define TODC_TYPE_DS17285_MONTH (TODC_TYPE_DS17285_NVRAM_SIZE + 0x08) -#define TODC_TYPE_DS17285_YEAR (TODC_TYPE_DS17285_NVRAM_SIZE + 0x09) -#define TODC_TYPE_DS17285_CNTL_A (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0A) -#define TODC_TYPE_DS17285_CNTL_B (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0B) -#define TODC_TYPE_DS17285_CNTL_C (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0C) -#define TODC_TYPE_DS17285_CNTL_D (TODC_TYPE_DS17285_NVRAM_SIZE + 0x0D) -#define TODC_TYPE_DS17285_WATCHDOG 0 -#define TODC_TYPE_DS17285_INTERRUPTS 0 -#define TODC_TYPE_DS17285_ALARM_DATE 0 -#define TODC_TYPE_DS17285_CENTURY 0 -#define TODC_TYPE_DS17285_FLAGS 0 -#define TODC_TYPE_DS17285_NVRAM_ADDR_REG 0x50 -#define TODC_TYPE_DS17285_NVRAM_DATA_REG 0x53 - -#define TODC_TYPE_MC146818_NVRAM_SIZE 0 /* XXXX */ -#define TODC_TYPE_MC146818_SW_FLAGS 0 -#define TODC_TYPE_MC146818_YEAR 0x09 -#define TODC_TYPE_MC146818_MONTH 0x08 -#define TODC_TYPE_MC146818_DOM 0x07 /* Day of Month */ -#define TODC_TYPE_MC146818_DOW 0x06 /* Day of Week */ -#define TODC_TYPE_MC146818_HOURS 0x04 -#define TODC_TYPE_MC146818_MINUTES 0x02 -#define TODC_TYPE_MC146818_SECONDS 0x00 -#define TODC_TYPE_MC146818_CNTL_B 0x0a -#define TODC_TYPE_MC146818_CNTL_A 0x0b /* control_a R/W regs */ -#define TODC_TYPE_MC146818_WATCHDOG 0 -#define TODC_TYPE_MC146818_INTERRUPTS 0x0c -#define TODC_TYPE_MC146818_ALARM_DATE 0xff -#define TODC_TYPE_MC146818_ALARM_HOUR 0x05 -#define TODC_TYPE_MC146818_ALARM_MINUTES 0x03 -#define TODC_TYPE_MC146818_ALARM_SECONDS 0x01 -#define TODC_TYPE_MC146818_CENTURY 0xff -#define TODC_TYPE_MC146818_FLAGS 0xff -#define TODC_TYPE_MC146818_NVRAM_ADDR_REG 0 -#define TODC_TYPE_MC146818_NVRAM_DATA_REG 0 - -#define TODC_TYPE_PC97307_NVRAM_SIZE 0 /* No NVRAM? */ -#define TODC_TYPE_PC97307_SW_FLAGS 0 -#define TODC_TYPE_PC97307_YEAR 0x09 -#define TODC_TYPE_PC97307_MONTH 0x08 -#define TODC_TYPE_PC97307_DOM 0x07 /* Day of Month */ -#define TODC_TYPE_PC97307_DOW 0x06 /* Day of Week */ -#define TODC_TYPE_PC97307_HOURS 0x04 -#define TODC_TYPE_PC97307_MINUTES 0x02 -#define TODC_TYPE_PC97307_SECONDS 0x00 -#define TODC_TYPE_PC97307_CNTL_B 0x0a -#define TODC_TYPE_PC97307_CNTL_A 0x0b /* control_a R/W regs */ -#define TODC_TYPE_PC97307_WATCHDOG 0x0c -#define TODC_TYPE_PC97307_INTERRUPTS 0x0d -#define TODC_TYPE_PC97307_ALARM_DATE 0xff -#define TODC_TYPE_PC97307_ALARM_HOUR 0x05 -#define TODC_TYPE_PC97307_ALARM_MINUTES 0x03 -#define TODC_TYPE_PC97307_ALARM_SECONDS 0x01 -#define TODC_TYPE_PC97307_CENTURY 0xff -#define TODC_TYPE_PC97307_FLAGS 0xff -#define TODC_TYPE_PC97307_NVRAM_ADDR_REG 0 -#define TODC_TYPE_PC97307_NVRAM_DATA_REG 0 - -/* - * Define macros to allocate and init the todc_info_t table that will - * be used by the todc_time.c routines. - */ -#define TODC_ALLOC() \ - static todc_info_t todc_info_alloc; \ - todc_info_t *todc_info = &todc_info_alloc; - -#define TODC_INIT(clock_type, as0, as1, data, bits) { \ - todc_info->rtc_type = clock_type; \ - \ - todc_info->nvram_as0 = (unsigned int)(as0); \ - todc_info->nvram_as1 = (unsigned int)(as1); \ - todc_info->nvram_data = (unsigned int)(data); \ - \ - todc_info->as0_bits = (bits); \ - \ - todc_info->nvram_size = clock_type ##_NVRAM_SIZE; \ - todc_info->sw_flags = clock_type ##_SW_FLAGS; \ - \ - todc_info->year = clock_type ##_YEAR; \ - todc_info->month = clock_type ##_MONTH; \ - todc_info->day_of_month = clock_type ##_DOM; \ - todc_info->day_of_week = clock_type ##_DOW; \ - todc_info->hours = clock_type ##_HOURS; \ - todc_info->minutes = clock_type ##_MINUTES; \ - todc_info->seconds = clock_type ##_SECONDS; \ - todc_info->control_b = clock_type ##_CNTL_B; \ - todc_info->control_a = clock_type ##_CNTL_A; \ - todc_info->watchdog = clock_type ##_WATCHDOG; \ - todc_info->interrupts = clock_type ##_INTERRUPTS; \ - todc_info->alarm_date = clock_type ##_ALARM_DATE; \ - todc_info->alarm_hour = clock_type ##_ALARM_HOUR; \ - todc_info->alarm_minutes = clock_type ##_ALARM_MINUTES; \ - todc_info->alarm_seconds = clock_type ##_ALARM_SECONDS; \ - todc_info->century = clock_type ##_CENTURY; \ - todc_info->flags = clock_type ##_FLAGS; \ - \ - todc_info->nvram_addr_reg = clock_type ##_NVRAM_ADDR_REG; \ - todc_info->nvram_data_reg = clock_type ##_NVRAM_DATA_REG; \ -} - -extern todc_info_t *todc_info; - -unsigned char todc_direct_read_val(int addr); -void todc_direct_write_val(int addr, unsigned char val); -unsigned char todc_m48txx_read_val(int addr); -void todc_m48txx_write_val(int addr, unsigned char val); -unsigned char todc_mc146818_read_val(int addr); -void todc_mc146818_write_val(int addr, unsigned char val); - -long todc_time_init(void); -void todc_get_rtc_time(struct rtc_time *); -int todc_set_rtc_time(struct rtc_time *); -void todc_calibrate_decr(void); - -#endif /* __PPC_KERNEL_TODC_H */ |