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Commit 2130835d authored by Tom Rini's avatar Tom Rini
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PPC32: Update the TODC code from 2.4.

parent 37ff5b87
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Showing with 248 additions and 91 deletions
arch/ppc/syslib/todc_time.c
View file @ 2130835d
......@@ -50,6 +50,8 @@
* --MAG
*/
extern spinlock_t rtc_lock;
/*
* 'todc_info' should be initialized in your *_setup.c file to
* point to a fully initialized 'todc_info_t' structure.
......@@ -126,6 +128,54 @@ todc_mc146818_write_val(int addr, unsigned char val)
return;
}
/*
* 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.nvram_write_val(todc_info->nvram_addr_reg, addr);
val = ppc_md.nvram_read_val(todc_info->nvram_data_reg);
}
else { /* Clock Reg */
addr -= todc_info->nvram_size;
val = ppc_md.nvram_read_val(addr);
}
}
else {
val = ppc_md.nvram_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.nvram_write_val(todc_info->nvram_addr_reg, addr);
ppc_md.nvram_write_val(todc_info->nvram_data_reg, val);
}
else { /* Clock Reg */
addr -= todc_info->nvram_size;
ppc_md.nvram_write_val(addr, val);
}
}
else {
ppc_md.nvram_write_val(addr, val);
}
}
/*
* TODC routines
*
......@@ -148,7 +198,7 @@ todc_time_init(void)
if (not_initialized) {
u_char cntl_b;
cntl_b = ppc_md.nvram_read_val(todc_info->control_b);
cntl_b = todc_read_val(todc_info->control_b);
if (todc_info->rtc_type == TODC_TYPE_MC146818) {
if ((cntl_b & 0x70) != 0x20) {
......@@ -159,7 +209,18 @@ todc_time_init(void)
cntl_b |= 0x20;
}
ppc_md.nvram_write_val(todc_info->control_b, cntl_b);
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;
......@@ -167,18 +228,18 @@ todc_time_init(void)
todc_info->enable_read = TODC_DS1501_CNTL_B_TE;
todc_info->enable_write = TODC_DS1501_CNTL_B_TE;
month = ppc_md.nvram_read_val(todc_info->month);
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;
ppc_md.nvram_write_val(todc_info->month, month);
todc_write_val(todc_info->month, month);
}
cntl_b &= ~TODC_DS1501_CNTL_B_TE;
ppc_md.nvram_write_val(todc_info->control_b, cntl_b);
todc_write_val(todc_info->control_b, cntl_b);
}
else { /* must be a m48txx type */
u_char cntl_a;
......@@ -186,7 +247,7 @@ todc_time_init(void)
todc_info->enable_read = TODC_MK48TXX_CNTL_A_R;
todc_info->enable_write = TODC_MK48TXX_CNTL_A_W;
cntl_a = ppc_md.nvram_read_val(todc_info->control_a);
cntl_a = todc_read_val(todc_info->control_a);
/* Check & clear STOP bit in control B register */
if (cntl_b & TODC_MK48TXX_DAY_CB) {
......@@ -197,16 +258,14 @@ todc_time_init(void)
cntl_a |= todc_info->enable_write;
cntl_b &= ~TODC_MK48TXX_DAY_CB;/* Start Oscil */
ppc_md.nvram_write_val(todc_info->control_a,
cntl_a);
ppc_md.nvram_write_val(todc_info->control_b,
cntl_b);
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);
ppc_md.nvram_write_val(todc_info->control_a, cntl_a);
todc_write_val(todc_info->control_a, cntl_a);
}
not_initialized = 0;
......@@ -231,7 +290,8 @@ todc_get_rtc_time(void)
uint limit, i;
u_char save_control, uip;
save_control = ppc_md.nvram_read_val(todc_info->control_a);
spin_lock(&rtc_lock);
save_control = todc_read_val(todc_info->control_a);
if (todc_info->rtc_type != TODC_TYPE_MC146818) {
limit = 1;
......@@ -241,9 +301,10 @@ todc_get_rtc_time(void)
case TODC_TYPE_DS1743:
case TODC_TYPE_DS1746: /* XXXX BAD HACK -> FIX */
case TODC_TYPE_DS1747:
case TODC_TYPE_DS17285:
break;
default:
ppc_md.nvram_write_val(todc_info->control_a,
todc_write_val(todc_info->control_a,
(save_control | todc_info->enable_read));
}
}
......@@ -253,19 +314,18 @@ todc_get_rtc_time(void)
for (i=0; i<limit; i++) {
if (todc_info->rtc_type == TODC_TYPE_MC146818) {
uip = ppc_md.nvram_read_val(todc_info->RTC_FREQ_SELECT);
uip = todc_read_val(todc_info->RTC_FREQ_SELECT);
}
sec = ppc_md.nvram_read_val(todc_info->seconds) & 0x7f;
min = ppc_md.nvram_read_val(todc_info->minutes) & 0x7f;
hour = ppc_md.nvram_read_val(todc_info->hours) & 0x3f;
day = ppc_md.nvram_read_val(todc_info->day_of_month) & 0x3f;
mon = ppc_md.nvram_read_val(todc_info->month) & 0x1f;
year = ppc_md.nvram_read_val(todc_info->year) & 0xff;
sec = todc_read_val(todc_info->seconds) & 0x7f;
min = todc_read_val(todc_info->minutes) & 0x7f;
hour = todc_read_val(todc_info->hours) & 0x3f;
day = 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 |= ppc_md.nvram_read_val(
todc_info->RTC_FREQ_SELECT);
uip |= todc_read_val(todc_info->RTC_FREQ_SELECT);
if ((uip & RTC_UIP) == 0) break;
}
}
......@@ -276,13 +336,15 @@ todc_get_rtc_time(void)
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);
ppc_md.nvram_write_val(todc_info->control_a,
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) ||
......@@ -310,19 +372,19 @@ todc_set_rtc_time(unsigned long nowtime)
struct rtc_time tm;
u_char save_control, save_freq_select;
spin_lock(&rtc_lock);
to_tm(nowtime, &tm);
save_control = ppc_md.nvram_read_val(todc_info->control_a);
save_control = todc_read_val(todc_info->control_a);
/* Assuming MK48T59_RTC_CA_WRITE & RTC_SET are equal */
ppc_md.nvram_write_val(todc_info->control_a,
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 =
ppc_md.nvram_read_val(todc_info->RTC_FREQ_SELECT);
ppc_md.nvram_write_val(todc_info->RTC_FREQ_SELECT,
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);
}
......@@ -341,19 +403,19 @@ todc_set_rtc_time(unsigned long nowtime)
BIN_TO_BCD(tm.tm_year);
}
ppc_md.nvram_write_val(todc_info->seconds, tm.tm_sec);
ppc_md.nvram_write_val(todc_info->minutes, tm.tm_min);
ppc_md.nvram_write_val(todc_info->hours, tm.tm_hour);
ppc_md.nvram_write_val(todc_info->month, tm.tm_mon);
ppc_md.nvram_write_val(todc_info->day_of_month, tm.tm_mday);
ppc_md.nvram_write_val(todc_info->year, 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);
ppc_md.nvram_write_val(todc_info->control_a, save_control);
todc_write_val(todc_info->control_a, save_control);
if (todc_info->rtc_type == TODC_TYPE_MC146818) {
ppc_md.nvram_write_val(todc_info->RTC_FREQ_SELECT,
save_freq_select);
todc_write_val(todc_info->RTC_FREQ_SELECT, save_freq_select);
}
spin_unlock(&rtc_lock);
return 0;
}
......@@ -367,30 +429,28 @@ static unsigned char __init todc_read_timereg(int addr)
switch (todc_info->rtc_type) {
case TODC_TYPE_DS1557:
case TODC_TYPE_DS1743:
case TODC_TYPE_DS1746: /* XXXX BAD HACK -> FIX */
case TODC_TYPE_DS1747:
case TODC_TYPE_DS17285:
case TODC_TYPE_MC146818:
break;
default:
save_control =
ppc_md.nvram_read_val(todc_info->control_a);
ppc_md.nvram_write_val(todc_info->control_a,
save_control = todc_read_val(todc_info->control_a);
todc_write_val(todc_info->control_a,
(save_control | todc_info->enable_read));
}
val = ppc_md.nvram_read_val(addr);
val = todc_read_val(addr);
switch (todc_info->rtc_type) {
case TODC_TYPE_DS1557:
case TODC_TYPE_DS1743:
case TODC_TYPE_DS1746: /* XXXX BAD HACK -> FIX */
case TODC_TYPE_DS1747:
case TODC_TYPE_DS17285:
case TODC_TYPE_MC146818:
break;
default:
save_control &= ~(todc_info->enable_read);
ppc_md.nvram_write_val(todc_info->control_a,
save_control);
todc_write_val(todc_info->control_a, save_control);
}
return val;
......@@ -412,7 +472,7 @@ todc_calibrate_decr(void)
/*
* Actually this is bad for precision, we should have a loop in
* which we only read the seconds counter. nvram_read_val writes
* which we only read the seconds counter. todc_read_val writes
* the address bytes on every call and this takes a lot of time.
* Perhaps an nvram_wait_change method returning a time
* stamp with a loop count as parameter would be the solution.
......
include/asm-ppc/todc.h
View file @ 2130835d
......@@ -46,6 +46,9 @@ typedef struct {
*/
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;
......@@ -64,6 +67,14 @@ typedef struct {
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;
/*
......@@ -86,7 +97,8 @@ typedef struct {
#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_MC146818 100 /* Leave room for more m48txx's */
#define TODC_TYPE_DS17285 12 /* Dallas DS17285 RTC */
#define TODC_TYPE_MC146818 100 /* Leave room for m48txx's */
/*
* Bit to clear/set to enable reads/writes to the chip
......@@ -97,10 +109,19 @@ typedef struct {
#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 */
......@@ -118,7 +139,11 @@ typedef struct {
#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 */
......@@ -136,7 +161,11 @@ typedef struct {
#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 */
......@@ -154,25 +183,33 @@ typedef struct {
#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_YEAR 0x06
#define TODC_TYPE_DS1501_MONTH 0x05
#define TODC_TYPE_DS1501_DOM 0x04 /* Day of Month */
#define TODC_TYPE_DS1501_DOW 0x03 /* Day of Week */
#define TODC_TYPE_DS1501_HOURS 0x02
#define TODC_TYPE_DS1501_MINUTES 0x01
#define TODC_TYPE_DS1501_SECONDS 0x00
#define TODC_TYPE_DS1501_CNTL_B 0x0f
#define TODC_TYPE_DS1501_CNTL_A 0x0f
#define TODC_TYPE_DS1501_WATCHDOG 0xff
#define TODC_TYPE_DS1501_INTERRUPTS 0xff
#define TODC_TYPE_DS1501_ALARM_DATE 0x0b
#define TODC_TYPE_DS1501_ALARM_HOUR 0x0a
#define TODC_TYPE_DS1501_ALARM_MINUTES 0x09
#define TODC_TYPE_DS1501_ALARM_SECONDS 0x08
#define TODC_TYPE_DS1501_CENTURY 0x07
#define TODC_TYPE_DS1501_FLAGS 0xff
#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_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 */
......@@ -190,7 +227,11 @@ typedef struct {
#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 */
......@@ -208,7 +249,11 @@ typedef struct {
#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 */
......@@ -226,7 +271,11 @@ typedef struct {
#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 */
......@@ -244,7 +293,11 @@ typedef struct {
#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 */
......@@ -262,16 +315,20 @@ typedef struct {
#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_YEAR 0x1ffff
#define TODC_TYPE_DS1747_MONTH 0x1fffe
#define TODC_TYPE_DS1747_DOM 0x1fffd /* Day of Month */
#define TODC_TYPE_DS1747_DOW 0x1fffc /* Day of Week */
#define TODC_TYPE_DS1747_HOURS 0x1fffb
#define TODC_TYPE_DS1747_MINUTES 0x1fffa
#define TODC_TYPE_DS1747_SECONDS 0x1fff9
#define TODC_TYPE_DS1747_CNTL_B 0x1fff9
#define TODC_TYPE_DS1747_CNTL_A 0x1fff8 /* control_a R/W regs */
#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
......@@ -280,7 +337,35 @@ typedef struct {
#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 */
......@@ -298,7 +383,11 @@ typedef struct {
#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 */
......@@ -316,6 +405,8 @@ typedef struct {
#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
......@@ -334,6 +425,9 @@ typedef struct {
\
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; \
......@@ -351,6 +445,9 @@ typedef struct {
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;
......
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