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| author | Aleksandar Gerasimovski <aleksandar.gerasimovski@hitachi-powergrids.com> | 2021-01-13 16:20:51 +0000 |
|---|---|---|
| committer | Priyanka Jain <priyanka.jain@nxp.com> | 2021-02-08 14:01:17 +0530 |
| commit | d141f4b298de23019405c68ccfb2a0de059e5565 (patch) | |
| tree | b2eeb485afd2f79dc199bef7110bc6d202ddb665 /board/keymile | |
| parent | b99cc27111be8d0732c3bb7b9f5ad3814904da38 (diff) | |
| download | u-boot-d141f4b298de23019405c68ccfb2a0de059e5565.zip u-boot-d141f4b298de23019405c68ccfb2a0de059e5565.tar.gz u-boot-d141f4b298de23019405c68ccfb2a0de059e5565.tar.bz2 | |
keymile: common: qrio: print QRIO id and revision number
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>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'board/keymile')
| -rw-r--r-- | board/keymile/common/qrio.c | 12 | ||||
| -rw-r--r-- | board/keymile/common/qrio.h | 1 |
2 files changed, 13 insertions, 0 deletions
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); |