Add show_qrio function to print chip id and revision information. There are already multiple QRIO chip versions available and the upcoming designs may want to show used version.
Signed-off-by: Rainer Boschung rainer.boschung@hitachi-powergrids.com Signed-off-by: Aleksandar Gerasimovski aleksandar.gerasimovski@hitachi-powergrids.com --- board/keymile/common/qrio.c | 12 ++++++++++++ board/keymile/common/qrio.h | 1 + 2 files changed, 13 insertions(+)
diff --git a/board/keymile/common/qrio.c b/board/keymile/common/qrio.c index d4e75f2..25937ee 100644 --- a/board/keymile/common/qrio.c +++ b/board/keymile/common/qrio.c @@ -11,10 +11,22 @@ #include "common.h" #include "qrio.h"
+/* QRIO ID register offset */ +#define ID_REV_OFF 0x00 + /* QRIO GPIO register offsets */ #define DIRECT_OFF 0x18 #define GPRT_OFF 0x1c
+void show_qrio(void) +{ + void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; + u16 id_rev = in_be16(qrio_base + ID_REV_OFF); + + printf("QRIO: id = %u, revision = %u\n", + (id_rev >> 8) & 0xff, id_rev & 0xff); +} + int qrio_get_gpio(u8 port_off, u8 gpio_nr) { u32 gprt; diff --git a/board/keymile/common/qrio.h b/board/keymile/common/qrio.h index a04a732..757bcbf 100644 --- a/board/keymile/common/qrio.h +++ b/board/keymile/common/qrio.h @@ -11,6 +11,7 @@ #define QRIO_GPIO_A 0x40 #define QRIO_GPIO_B 0x60
+void show_qrio(void); int qrio_get_gpio(u8 port_off, u8 gpio_nr); void qrio_set_opendrain_gpio(u8 port_off, u8 gpio_nr, u8 val); void qrio_set_gpio(u8 port_off, u8 gpio_nr, bool value);