Andrew,
This patch adds support for the Dallas 1553 RTC/NVRAM.
Signed-off-by: Kumar Gala <kumar.gala at freescale.com>
---
diff -Nru a/arch/ppc/syslib/todc_time.c b/arch/ppc/syslib/todc_time.c
--- a/arch/ppc/syslib/todc_time.c 2005-03-02 22:05:08 -06:00
+++ b/arch/ppc/syslib/todc_time.c 2005-03-02 22:05:08 -06:00
@@ -287,6 +287,7 @@
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 */
@@ -322,6 +323,7 @@
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 */
@@ -418,6 +420,7 @@
unsigned char save_control = 0, val;
switch (todc_info->rtc_type) {
+ case TODC_TYPE_DS1553:
case TODC_TYPE_DS1557:
case TODC_TYPE_DS1746: /* XXXX BAD HACK -> FIX */
case TODC_TYPE_DS1747:
@@ -432,6 +435,7 @@
val = todc_read_val(addr);
switch (todc_info->rtc_type) {
+ case TODC_TYPE_DS1553:
case TODC_TYPE_DS1557:
case TODC_TYPE_DS1746: /* XXXX BAD HACK -> FIX */
case TODC_TYPE_DS1747:
diff -Nru a/include/asm-ppc/todc.h b/include/asm-ppc/todc.h
--- a/include/asm-ppc/todc.h 2005-03-02 22:05:08 -06:00
+++ b/include/asm-ppc/todc.h 2005-03-02 22:05:08 -06:00
@@ -98,6 +98,7 @@
#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 */
/*
@@ -207,6 +208,28 @@
#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
