/* SPDX-License-Identifier: GPL-2.0-or-later */ #include <device/device.h> #include <device/pci.h> #include <device/pci_ops.h> #include <console/console.h> #include <device/cardbus.h> #include "pci7420.h" #include "chip.h" static void pci7420_cardbus_init(struct device *dev) { u8 reg8; u16 reg16; u32 reg32; struct southbridge_ti_pci7420_config *config = dev->chip_info; int smartcard_enabled = 0; printk(BIOS_DEBUG, "TI PCI7420/7620 init\n"); if (!config) { printk(BIOS_DEBUG, "PCI7420: No configuration found.\n"); } else { smartcard_enabled = config->smartcard_enabled; } reg32 = pci_read_config32(dev, SYSCTL); reg32 |= RIMUX; pci_write_config32(dev, SYSCTL, reg32); /* Enable SPKROUT */ reg8 = pci_read_config8(dev, CARDCTL); reg8 |= SPKROUTEN; pci_write_config8(dev, CARDCTL, reg8); /* Power switch select and FM disable */ reg16 = pci_read_config16(dev, GENCTL); reg16 |= P12V_SW_SEL; // 12V capable power switch if (smartcard_enabled == 0) reg16 |= DISABLE_FM; pci_write_config16(dev, GENCTL, reg16); /* Multifunction routing status */ pci_write_config32(dev, MFUNC, 0x018a1b22); } static void pci7420_cardbus_read_resources(struct device *dev) { cardbus_read_resources(dev); } static void pci7420_cardbus_set_resources(struct device *dev) { printk(BIOS_DEBUG, "%s In set resources\n",dev_path(dev)); pci_dev_set_resources(dev); printk(BIOS_DEBUG, "%s done set resources\n",dev_path(dev)); } static struct device_operations ti_pci7420_ops = { .read_resources = pci7420_cardbus_read_resources, .set_resources = pci7420_cardbus_set_resources, .enable_resources = cardbus_enable_resources, .init = pci7420_cardbus_init, .scan_bus = pci_scan_bridge, }; static const struct pci_driver ti_pci7420_driver __pci_driver = { .ops = &ti_pci7420_ops, .vendor = 0x104c, .device = 0xac8e, }; static const struct pci_driver ti_pci7620_driver __pci_driver = { .ops = &ti_pci7420_ops, .vendor = 0x104c, .device = 0xac8d, }; struct chip_operations southbridge_ti_pci7420_ops = { .name = "Texas Instruments PCI7420/7620 Cardbus Controller", };