diff options
Diffstat (limited to 'src/soc/intel/common/block')
| -rw-r--r-- | src/soc/intel/common/block/gspi/gspi.c | 8 | ||||
| -rw-r--r-- | src/soc/intel/common/block/i2c/i2c.c | 10 | ||||
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/lpss.h | 2 | ||||
| -rw-r--r-- | src/soc/intel/common/block/lpss/lpss.c | 14 | ||||
| -rw-r--r-- | src/soc/intel/common/block/uart/uart.c | 2 |
5 files changed, 10 insertions, 26 deletions
diff --git a/src/soc/intel/common/block/gspi/gspi.c b/src/soc/intel/common/block/gspi/gspi.c index 836371372a..395a14dc7b 100644 --- a/src/soc/intel/common/block/gspi/gspi.c +++ b/src/soc/intel/common/block/gspi/gspi.c @@ -448,7 +448,6 @@ static int gspi_ctrlr_setup(const struct spi_slave *dev) int devfn; uint32_t cs_ctrl, sscr0, sscr1, clocks, sitf, sirf, pol; struct gspi_ctrlr_params params, *p = ¶ms; - const struct device *device; /* Only chip select 0 is supported. */ if (dev->cs != 0) { @@ -468,14 +467,9 @@ static int gspi_ctrlr_setup(const struct spi_slave *dev) } devfn = gspi_soc_bus_to_devfn(p->gspi_bus); - /* - * devfn is already validated as part of gspi_ctrlr_params_init. - * No need to revalidate it again. - */ - device = pcidev_path_on_root(devfn); /* Ensure controller is in D0 state */ - lpss_set_power_state(device, STATE_D0); + lpss_set_power_state(PCI_DEV(0, PCI_SLOT(devfn), PCI_FUNC(devfn)), STATE_D0); /* Take controller out of reset, keeping DMA in reset. */ gspi_write_mmio_reg(p, RESETS, CTRLR_ACTIVE | DMA_RESET); diff --git a/src/soc/intel/common/block/i2c/i2c.c b/src/soc/intel/common/block/i2c/i2c.c index 5aa7729613..57e5d5e373 100644 --- a/src/soc/intel/common/block/i2c/i2c.c +++ b/src/soc/intel/common/block/i2c/i2c.c @@ -38,7 +38,6 @@ uintptr_t dw_i2c_get_soc_early_base(unsigned int bus) static int lpss_i2c_early_init_bus(unsigned int bus) { const struct dw_i2c_bus_config *config; - const struct device *tree_dev; pci_devfn_t dev; int devfn; uintptr_t base; @@ -52,11 +51,6 @@ static int lpss_i2c_early_init_bus(unsigned int bus) /* Look up the controller device in the devicetree */ dev = PCI_DEV(0, PCI_SLOT(devfn), PCI_FUNC(devfn)); - tree_dev = pcidev_path_on_root(devfn); - if (!tree_dev || !tree_dev->enabled) { - printk(BIOS_ERR, "I2C%u device not enabled\n", bus); - return -1; - } /* Skip if not enabled for early init */ config = dw_i2c_get_soc_cfg(bus); @@ -75,7 +69,7 @@ static int lpss_i2c_early_init_bus(unsigned int bus) lpss_reset_release(base); /* Ensure controller is in D0 state */ - lpss_set_power_state(tree_dev, STATE_D0); + lpss_set_power_state(dev, STATE_D0); /* Initialize the controller */ if (dw_i2c_init(bus, config) < 0) { @@ -153,7 +147,7 @@ static void dw_i2c_device_init(struct device *dev) return; /* Ensure controller is in D0 state */ - lpss_set_power_state(dev, STATE_D0); + lpss_set_power_state(PCI_BDF(dev), STATE_D0); /* Take device out of reset if its not done before */ if (lpss_is_controller_in_reset(base_address)) diff --git a/src/soc/intel/common/block/include/intelblocks/lpss.h b/src/soc/intel/common/block/include/intelblocks/lpss.h index 145857c192..8d22e7a53e 100644 --- a/src/soc/intel/common/block/include/intelblocks/lpss.h +++ b/src/soc/intel/common/block/include/intelblocks/lpss.h @@ -25,7 +25,7 @@ void lpss_clk_update(uintptr_t base, uint32_t clk_m_val, uint32_t clk_n_val); bool lpss_is_controller_in_reset(uintptr_t base); /* Set controller power state to D0 or D3*/ -void lpss_set_power_state(const struct device *dev, enum lpss_pwr_state state); +void lpss_set_power_state(pci_devfn_t devfn, enum lpss_pwr_state state); /* * Handler to get list of LPSS controllers. The SOC is expected to send out a diff --git a/src/soc/intel/common/block/lpss/lpss.c b/src/soc/intel/common/block/lpss/lpss.c index 74c7aa15dc..6e33c0f94f 100644 --- a/src/soc/intel/common/block/lpss/lpss.c +++ b/src/soc/intel/common/block/lpss/lpss.c @@ -65,16 +65,12 @@ void lpss_clk_update(uintptr_t base, uint32_t clk_m_val, uint32_t clk_n_val) } /* Set controller power state to D0 or D3 */ -void lpss_set_power_state(const struct device *dev, enum lpss_pwr_state state) +void lpss_set_power_state(pci_devfn_t devfn, enum lpss_pwr_state state) { -#if defined(__SIMPLE_DEVICE__) - unsigned int devfn = dev->path.pci.devfn; - pci_devfn_t lpss_dev = PCI_DEV(0, PCI_SLOT(devfn), PCI_FUNC(devfn)); -#else - const struct device *lpss_dev = dev; -#endif - - pci_update_config8(lpss_dev, PME_CTRL_STATUS, ~POWER_STATE_MASK, state); + uint8_t reg8 = pci_s_read_config8(devfn, PME_CTRL_STATUS); + reg8 &= ~POWER_STATE_MASK; + reg8 |= state; + pci_s_write_config8(devfn, PME_CTRL_STATUS, reg8); } bool is_dev_lpss(const struct device *dev) diff --git a/src/soc/intel/common/block/uart/uart.c b/src/soc/intel/common/block/uart/uart.c index 142a9365a9..75c16d4625 100644 --- a/src/soc/intel/common/block/uart/uart.c +++ b/src/soc/intel/common/block/uart/uart.c @@ -26,7 +26,7 @@ extern const int uart_max_index; static void uart_lpss_init(const struct device *dev, uintptr_t baseaddr) { /* Ensure controller is in D0 state */ - lpss_set_power_state(dev, STATE_D0); + lpss_set_power_state(PCI_BDF(dev), STATE_D0); /* Take UART out of reset */ lpss_reset_release(baseaddr); |