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MIPS: OCTEON: octeon-usb: move gpio config to separate function

Browse source 
Power gpio configuration is using Octeon specific code, so
move it to separate function, that can later be guarded
with ifdefs.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Ladislav Michl 2023-06-19 22:13:14 +02:00 committed by Thomas Bogendoerfer
parent 940692c6cc
commit 793bef5709
1 changed files with 25 additions and 20 deletions
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45
arch/mips/cavium-octeon/octeon-usb.c
View file

@ -197,13 +197,35 @@ static DEFINE_MUTEX(dwc3_octeon_clocks_mutex);
static uint8_t clk_div[OCTEON_H_CLKDIV_SEL] = {1, 2, 4, 6, 8, 16, 24, 32};
static int dwc3_octeon_config_power(struct device *dev, u64 base)
static void dwc3_octeon_config_gpio(int index, int gpio)
{
union cvmx_gpio_bit_cfgx gpio_bit;
if ((OCTEON_IS_MODEL(OCTEON_CN73XX) ||
OCTEON_IS_MODEL(OCTEON_CNF75XX))
&& gpio <= 31) {
gpio_bit.u64 = cvmx_read_csr(CVMX_GPIO_BIT_CFGX(gpio));
gpio_bit.s.tx_oe = 1;
gpio_bit.s.output_sel = (index == 0 ? 0x14 : 0x15);
cvmx_write_csr(CVMX_GPIO_BIT_CFGX(gpio), gpio_bit.u64);
} else if (gpio <= 15) {
gpio_bit.u64 = cvmx_read_csr(CVMX_GPIO_BIT_CFGX(gpio));
gpio_bit.s.tx_oe = 1;
gpio_bit.s.output_sel = (index == 0 ? 0x14 : 0x19);
cvmx_write_csr(CVMX_GPIO_BIT_CFGX(gpio), gpio_bit.u64);
} else {
gpio_bit.u64 = cvmx_read_csr(CVMX_GPIO_XBIT_CFGX(gpio));
gpio_bit.s.tx_oe = 1;
gpio_bit.s.output_sel = (index == 0 ? 0x14 : 0x19);
cvmx_write_csr(CVMX_GPIO_XBIT_CFGX(gpio), gpio_bit.u64);
}
}
static int dwc3_octeon_config_power(struct device *dev, u64 base)
{
uint32_t gpio_pwr[3];
int gpio, len, power_active_low;
struct device_node *node = dev->of_node;
int index = (base >> 24) & 1;
u64 val;
u64 uctl_host_cfg_reg = base + USBDRD_UCTL_HOST_CFG;
@ -220,24 +242,7 @@ static int dwc3_octeon_config_power(struct device *dev, u64 base)
dev_err(dev, "invalid power configuration\n");
return -EINVAL;
}
if ((OCTEON_IS_MODEL(OCTEON_CN73XX) ||
OCTEON_IS_MODEL(OCTEON_CNF75XX))
&& gpio <= 31) {
gpio_bit.u64 = cvmx_read_csr(CVMX_GPIO_BIT_CFGX(gpio));
gpio_bit.s.tx_oe = 1;
gpio_bit.s.output_sel = (index == 0 ? 0x14 : 0x15);
cvmx_write_csr(CVMX_GPIO_BIT_CFGX(gpio), gpio_bit.u64);
} else if (gpio <= 15) {
gpio_bit.u64 = cvmx_read_csr(CVMX_GPIO_BIT_CFGX(gpio));
gpio_bit.s.tx_oe = 1;
gpio_bit.s.output_sel = (index == 0 ? 0x14 : 0x19);
cvmx_write_csr(CVMX_GPIO_BIT_CFGX(gpio), gpio_bit.u64);
} else {
gpio_bit.u64 = cvmx_read_csr(CVMX_GPIO_XBIT_CFGX(gpio));
gpio_bit.s.tx_oe = 1;
gpio_bit.s.output_sel = (index == 0 ? 0x14 : 0x19);
cvmx_write_csr(CVMX_GPIO_XBIT_CFGX(gpio), gpio_bit.u64);
}
dwc3_octeon_config_gpio((base >> 24) & 1, gpio);
/* Enable XHCI power control and set if active high or low. */
val = cvmx_read_csr(uctl_host_cfg_reg);