diff options
| -rw-r--r-- | board/freescale/common/qixis.c | 46 | ||||
| -rw-r--r-- | board/freescale/common/qixis.h | 3 |
2 files changed, 49 insertions, 0 deletions
diff --git a/board/freescale/common/qixis.c b/board/freescale/common/qixis.c index c92902a92..2cf393b01 100644 --- a/board/freescale/common/qixis.c +++ b/board/freescale/common/qixis.c @@ -14,6 +14,7 @@ #include <common.h> #include <command.h> #include <asm/io.h> +#include <linux/time.h> #include "qixis.h" u8 qixis_read(unsigned int reg) @@ -30,6 +31,51 @@ void qixis_write(unsigned int reg, u8 value) out_8(p + reg, value); } +u16 qixis_read_minor(void) +{ + u16 minor; + + /* this data is in little endian */ + QIXIS_WRITE(tagdata, 5); + minor = QIXIS_READ(tagdata); + QIXIS_WRITE(tagdata, 6); + minor += QIXIS_READ(tagdata) << 8; + + return minor; +} + +char *qixis_read_time(char *result) +{ + time_t time = 0; + int i; + + /* timestamp is in 32-bit big endian */ + for (i = 8; i <= 11; i++) { + QIXIS_WRITE(tagdata, i); + time = (time << 8) + QIXIS_READ(tagdata); + } + + return ctime_r(&time, result); +} + +char *qixis_read_tag(char *buf) +{ + int i; + char tag, *ptr = buf; + + for (i = 16; i <= 63; i++) { + QIXIS_WRITE(tagdata, i); + tag = QIXIS_READ(tagdata); + *(ptr++) = tag; + if (!tag) + break; + } + if (i > 63) + *ptr = '\0'; + + return buf; +} + void qixis_reset(void) { QIXIS_WRITE(rst_ctl, QIXIS_RST_CTL_RESET); diff --git a/board/freescale/common/qixis.h b/board/freescale/common/qixis.h index b98b18065..4d73461e4 100644 --- a/board/freescale/common/qixis.h +++ b/board/freescale/common/qixis.h @@ -88,6 +88,9 @@ struct qixis { u8 qixis_read(unsigned int reg); void qixis_write(unsigned int reg, u8 value); +u16 qixis_read_minor(void); +char *qixis_read_time(char *result); +char *qixis_read_tag(char *buf); #define QIXIS_READ(reg) qixis_read(offsetof(struct qixis, reg)) #define QIXIS_WRITE(reg, value) qixis_write(offsetof(struct qixis, reg), value) |