diff options
| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2022-06-13 19:48:01 +0000 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2022-06-13 19:48:01 +0000 |
| commit | 8dd05d041ed65e8c74c23baccaf99ba6ad424c39 (patch) | |
| tree | d96583b4d3968496909a61d012ff1fad3f1e6e64 /sys/src/9/imx8/iomux.c | |
| parent | 5388575c149445928b2eb98794998225ecf1ccfa (diff) | |
imx8: provide iomuxgpr() function to access iomuxc's gpr's
Diffstat (limited to 'sys/src/9/imx8/iomux.c')
| -rw-r--r-- | sys/src/9/imx8/iomux.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/src/9/imx8/iomux.c b/sys/src/9/imx8/iomux.c index b023649c5..9aed7562c 100644 --- a/sys/src/9/imx8/iomux.c +++ b/sys/src/9/imx8/iomux.c @@ -15,6 +15,8 @@ enum { IOMUXC_SW_PAD_CTL_PAD_TEST_MODE = 0x254/4, IOMUXC_CCM_PMIC_READY_SELECT_INPUT = 0x4BC/4, + + IOMUXC_GPR_GPR0 = 0x10000/4, }; enum { @@ -1123,3 +1125,15 @@ Muxok: // iprint("iomuxpad: %s_input_select %p <= %.8ux & %.8ux\n", signame[sig], PADDR(reg), val, mask); *reg = (*reg & ~mask) | val; } + +uint +iomuxgpr(int gpr, uint set, uint mask) +{ + u32int *reg = &iomuxc[IOMUXC_GPR_GPR0 + gpr]; + + if(mask == 0) + return *reg; + +// iprint("iomuxgpr: gpr%d %p <= %.8ux & %.8ux\n", gpr, PADDR(reg), set, mask); + return *reg = (*reg & ~mask) | (set & mask); +} |