Angel Pons | 182dbde | 2020-04-02 23:49:05 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 2 | |
Kyösti Mälkki | 13f6650 | 2019-03-03 08:01:05 +0200 | [diff] [blame] | 3 | #include <device/mmio.h> |
Kyösti Mälkki | f1b58b7 | 2019-03-01 13:43:02 +0200 | [diff] [blame] | 4 | #include <device/pci_ops.h> |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 5 | #include <device/device.h> |
| 6 | #include <device/pci.h> |
| 7 | #include <device/pci_ids.h> |
| 8 | |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 9 | #include "i82801jx.h" |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 10 | |
| 11 | static void thermal_init(struct device *dev) |
| 12 | { |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 13 | u8 reg8; |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 14 | |
| 15 | pci_write_config32(dev, 0x10, (uintptr_t)DEFAULT_TBAR); |
Angel Pons | 2048cb4 | 2020-06-08 02:09:33 +0200 | [diff] [blame] | 16 | pci_or_config32(dev, 0x04, 1 << 1); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 17 | |
| 18 | write32(DEFAULT_TBAR + 0x04, 0); /* Clear thermal trip points. */ |
| 19 | write32(DEFAULT_TBAR + 0x44, 0); |
| 20 | |
| 21 | write8(DEFAULT_TBAR + 0x01, 0xba); /* Enable sensor 0 + 1. */ |
| 22 | write8(DEFAULT_TBAR + 0x41, 0xba); |
| 23 | |
| 24 | reg8 = read8(DEFAULT_TBAR + 0x08); /* Lock thermal registers. */ |
| 25 | write8(DEFAULT_TBAR + 0x08, reg8 | (1 << 7)); |
| 26 | reg8 = read8(DEFAULT_TBAR + 0x48); |
| 27 | write8(DEFAULT_TBAR + 0x48, reg8 | (1 << 7)); |
| 28 | |
Angel Pons | 2048cb4 | 2020-06-08 02:09:33 +0200 | [diff] [blame] | 29 | pci_and_config32(dev, 0x04, ~(1 << 1)); |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 30 | pci_write_config32(dev, 0x10, 0); |
| 31 | } |
| 32 | |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 33 | static struct device_operations device_ops = { |
| 34 | .read_resources = pci_dev_read_resources, |
| 35 | .set_resources = pci_dev_set_resources, |
| 36 | .enable_resources = pci_dev_enable_resources, |
| 37 | .init = thermal_init, |
Angel Pons | 1fc0edd | 2020-05-31 00:03:28 +0200 | [diff] [blame] | 38 | .ops_pci = &pci_dev_ops_pci, |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 39 | }; |
| 40 | |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 41 | static const unsigned short pci_device_ids[] = { |
| 42 | 0x3a32, |
| 43 | 0x3a62, |
| 44 | 0 |
| 45 | }; |
| 46 | |
| 47 | static const struct pci_driver ich10_thermal __pci_driver = { |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 48 | .ops = &device_ops, |
| 49 | .vendor = PCI_VENDOR_ID_INTEL, |
Arthur Heymans | 349e085 | 2017-04-09 20:48:37 +0200 | [diff] [blame] | 50 | .devices = pci_device_ids, |
Arthur Heymans | 7b9c139 | 2017-04-09 20:40:39 +0200 | [diff] [blame] | 51 | }; |