diff options
| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2022-06-13 23:00:06 +0000 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2022-06-13 23:00:06 +0000 |
| commit | fe033ae81611a7a98d51b38ca5a8e9bc5638b996 (patch) | |
| tree | e7cc7357540cdfc475a7d91b16de539d92c1eb4d /sys/src/9/imx8/usbxhciimx.c | |
| parent | 8dd05d041ed65e8c74c23baccaf99ba6ad424c39 (diff) | |
imx8: add gpio helper gpioout()/gpioin()
Diffstat (limited to 'sys/src/9/imx8/usbxhciimx.c')
| -rw-r--r-- | sys/src/9/imx8/usbxhciimx.c | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/sys/src/9/imx8/usbxhciimx.c b/sys/src/9/imx8/usbxhciimx.c index 1dd2f6537..fb422926a 100644 --- a/sys/src/9/imx8/usbxhciimx.c +++ b/sys/src/9/imx8/usbxhciimx.c @@ -1786,29 +1786,6 @@ clkenable(int i, int on) } static void -hubreset(int on) -{ - /* gpio registers */ - enum { - GPIO_DR = 0x00/4, - GPIO_GDIR = 0x04/4, - GPIO_PSR = 0x08/4, - GPIO_ICR1 = 0x0C/4, - GPIO_ICR2 = 0x10/4, - GPIO_IMR = 0x14/4, - GPIO_ISR = 0x18/4, - GPIO_EDGE_SEL = 0x1C/4, - }; - static u32int *gpio1 = (u32int*)(VIRTIO + 0x200000); - - gpio1[GPIO_GDIR] |= 1<<14; /* output */ - if(on) - gpio1[GPIO_DR] |= 1<<14; - else - gpio1[GPIO_DR] &= ~(1<<14); -} - -static void phyinit(u32int *reg) { enum { @@ -1878,9 +1855,10 @@ Found: iomuxpad("pad_gpio1_io13", "usb1_otg_oc", nil); iomuxpad("pad_gpio1_io14", "gpio1_io14", "FAST 45_OHM"); - hubreset(0); + /* gpio1_io14: hub reset */ + gpioout(GPIO_PIN(1, 14), 0); microdelay(500); - hubreset(1); + gpioout(GPIO_PIN(1, 14), 1); for(i = 0; i < nelem(ctlrs); i++) clkenable(i, 0); setclkrate("ccm_usb_bus_clk_root", "system_pll2_div2", 500*Mhz); |