/* SPDX-License-Identifier: GPL-2.0-only */ #include <console/console.h> #include <device/device.h> #include <device/pci_def.h> #include <intelblocks/p2sb.h> #include <soc/iomap.h> void p2sb_soc_get_sb_mask(uint32_t *ep_mask, size_t count) { uint32_t mask; if (count != P2SB_EP_MASK_MAX_REG) { printk(BIOS_ERR, "Unable to program EPMASK registers\n"); return; } /* Remove the host accessing right to PSF register range. * Set p2sb PCI offset EPMASK5 [29, 28, 27, 26] to disable Sideband * access for PCI Root Bridge. */ mask = BIT(29) | BIT(28) | BIT(27) | BIT(26); ep_mask[P2SB_EP_MASK_5_REG] = mask; /* * Set p2sb PCI offset EPMASK7 [31, 30] to disable Sideband * access for Broadcast and Multicast. */ mask = BIT(31) | BIT(30); ep_mask[P2SB_EP_MASK_7_REG] = mask; } static void p2sb2_read_resources(struct device *dev) { /* Add the fixed MMIO resource for P2SB#2 */ mmio_range(dev, PCI_BASE_ADDRESS_0, IOE_P2SB_BAR, IOE_P2SB_SIZE); } static void p2sb_read_resources(struct device *dev) { /* Add the fixed MMIO resource for P2SB#1 */ mmio_range(dev, PCI_BASE_ADDRESS_0, P2SB_BAR, P2SB_SIZE); } struct device_operations pcd_p2sb_2_ops = { .read_resources = p2sb2_read_resources, .set_resources = noop_set_resources, .scan_bus = scan_static_bus, }; struct device_operations pcd_p2sb_ops = { .read_resources = p2sb_read_resources, .set_resources = noop_set_resources, .scan_bus = scan_static_bus, };