Patrick Georgi | ac95903 | 2020-05-05 22:49:26 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 2 | |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 3 | #include <device/device.h> |
| 4 | #include <device/pci.h> |
| 5 | #include <device/pci_ops.h> |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 6 | #include <console/console.h> |
| 7 | #include <device/cardbus.h> |
| 8 | #include "pci7420.h" |
| 9 | #include "chip.h" |
| 10 | |
Elyes HAOUAS | a397089 | 2018-05-19 10:39:20 +0200 | [diff] [blame] | 11 | static void pci7420_cardbus_init(struct device *dev) |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 12 | { |
| 13 | u8 reg8; |
| 14 | u16 reg16; |
| 15 | u32 reg32; |
| 16 | |
| 17 | struct southbridge_ti_pci7420_config *config = dev->chip_info; |
| 18 | int smartcard_enabled = 0; |
| 19 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 20 | printk(BIOS_DEBUG, "TI PCI7420/7620 init\n"); |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 21 | |
| 22 | if (!config) { |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 23 | printk(BIOS_DEBUG, "PCI7420: No configuration found.\n"); |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 24 | } else { |
| 25 | smartcard_enabled = config->smartcard_enabled; |
| 26 | } |
| 27 | |
| 28 | reg32 = pci_read_config32(dev, SYSCTL); |
| 29 | reg32 |= RIMUX; |
| 30 | pci_write_config32(dev, SYSCTL, reg32); |
| 31 | |
| 32 | /* Enable SPKROUT */ |
| 33 | reg8 = pci_read_config8(dev, CARDCTL); |
| 34 | reg8 |= SPKROUTEN; |
| 35 | pci_write_config8(dev, CARDCTL, reg8); |
| 36 | |
| 37 | /* Power switch select and FM disable */ |
| 38 | reg16 = pci_read_config16(dev, GENCTL); |
| 39 | reg16 |= P12V_SW_SEL; // 12V capable power switch |
| 40 | if (smartcard_enabled == 0) |
| 41 | reg16 |= DISABLE_FM; |
| 42 | pci_write_config16(dev, GENCTL, reg16); |
| 43 | |
| 44 | /* Multifunction routing status */ |
| 45 | pci_write_config32(dev, MFUNC, 0x018a1b22); |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 46 | } |
| 47 | |
Elyes HAOUAS | a397089 | 2018-05-19 10:39:20 +0200 | [diff] [blame] | 48 | static void pci7420_cardbus_read_resources(struct device *dev) |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 49 | { |
| 50 | cardbus_read_resources(dev); |
| 51 | } |
| 52 | |
Elyes HAOUAS | a397089 | 2018-05-19 10:39:20 +0200 | [diff] [blame] | 53 | static void pci7420_cardbus_set_resources(struct device *dev) |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 54 | { |
Paul Menzel | d0cdcae | 2014-08-08 15:24:31 +0200 | [diff] [blame] | 55 | printk(BIOS_DEBUG, "%s In set resources\n",dev_path(dev)); |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 56 | |
| 57 | pci_dev_set_resources(dev); |
| 58 | |
Paul Menzel | d0cdcae | 2014-08-08 15:24:31 +0200 | [diff] [blame] | 59 | printk(BIOS_DEBUG, "%s done set resources\n",dev_path(dev)); |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 60 | } |
| 61 | |
| 62 | static struct device_operations ti_pci7420_ops = { |
| 63 | .read_resources = pci7420_cardbus_read_resources, |
| 64 | .set_resources = pci7420_cardbus_set_resources, |
| 65 | .enable_resources = cardbus_enable_resources, |
| 66 | .init = pci7420_cardbus_init, |
Myles Watson | 84e8e45 | 2010-06-07 17:12:57 +0000 | [diff] [blame] | 67 | .scan_bus = pci_scan_bridge, |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 68 | }; |
| 69 | |
| 70 | static const struct pci_driver ti_pci7420_driver __pci_driver = { |
| 71 | .ops = &ti_pci7420_ops, |
| 72 | .vendor = 0x104c, |
| 73 | .device = 0xac8e, |
| 74 | }; |
| 75 | |
| 76 | static const struct pci_driver ti_pci7620_driver __pci_driver = { |
| 77 | .ops = &ti_pci7420_ops, |
| 78 | .vendor = 0x104c, |
| 79 | .device = 0xac8d, |
| 80 | }; |
| 81 | |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 82 | struct chip_operations southbridge_ti_pci7420_ops = { |
| 83 | CHIP_NAME("Texas Instruments PCI7420/7620 Cardbus Controller") |
Stefan Reinauer | 2e73e19 | 2010-01-17 13:52:50 +0000 | [diff] [blame] | 84 | }; |