diff options
| author | Ladislav Michl <oss-lists@triops.cz> | 2023-06-19 22:13:14 +0200 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2023-06-23 15:06:40 +0200 |
| commit | 793bef570951431cdf257b637fcb21356d7faec9 (patch) | |
| tree | 9dac3ab684f63c4d8b12b42a0eb0fc271b5c7815 /arch/mips | |
| parent | 940692c6ccf51277d6cbdb069c38141e4ed9eb31 (diff) | |
| download | lwn-793bef570951431cdf257b637fcb21356d7faec9.tar.gz lwn-793bef570951431cdf257b637fcb21356d7faec9.zip | |
MIPS: OCTEON: octeon-usb: move gpio config to separate function
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>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/cavium-octeon/octeon-usb.c | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/arch/mips/cavium-octeon/octeon-usb.c b/arch/mips/cavium-octeon/octeon-usb.c index 1c48ee77125a..0f9800b3d373 100644 --- a/arch/mips/cavium-octeon/octeon-usb.c +++ b/arch/mips/cavium-octeon/octeon-usb.c @@ -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); |