Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2010 Advanced Micro Devices, Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | #include <console/console.h> |
| 17 | #include <device/device.h> |
| 18 | #include <device/pci.h> |
| 19 | #include <arch/io.h> |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 20 | #include <cpu/x86/msr.h> |
| 21 | #include <cpu/amd/mtrr.h> |
| 22 | #include <device/pci_def.h> |
efdesign98 | 00c8c4a | 2011-07-20 12:37:58 -0600 | [diff] [blame] | 23 | #include "southbridge/amd/sb700/sb700.h" |
| 24 | #include "southbridge/amd/sb700/smbus.h" |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 25 | |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 26 | void set_pcie_dereset(void); |
| 27 | void set_pcie_reset(void); |
Wang Qing Pei | 543f767 | 2010-08-17 11:11:09 +0000 | [diff] [blame] | 28 | u8 is_dev3_present(void); |
Rudolf Marek | 837403d | 2011-02-26 19:46:08 +0000 | [diff] [blame] | 29 | |
| 30 | static void pcie_rst_toggle(u8 val) { |
| 31 | u8 byte; |
| 32 | |
| 33 | byte = pm_ioread(0x8d); |
| 34 | byte &= ~(3 << 1); |
| 35 | pm_iowrite(0x8d, byte); |
| 36 | |
| 37 | byte = pm_ioread(0x94); |
| 38 | /* Output enable */ |
| 39 | byte &= ~(3 << 2); |
| 40 | /* Toggle GPM8, GPM9 */ |
| 41 | byte &= ~(3 << 0); |
| 42 | byte |= val; |
| 43 | pm_iowrite(0x94, byte); |
| 44 | } |
| 45 | |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 46 | void set_pcie_dereset() |
| 47 | { |
Rudolf Marek | 837403d | 2011-02-26 19:46:08 +0000 | [diff] [blame] | 48 | pcie_rst_toggle(0x3); |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 49 | } |
| 50 | |
| 51 | void set_pcie_reset() |
| 52 | { |
Rudolf Marek | 837403d | 2011-02-26 19:46:08 +0000 | [diff] [blame] | 53 | pcie_rst_toggle(0x0); |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 54 | } |
| 55 | |
| 56 | #if 0 /* not tested yet */ |
| 57 | /******************************************************** |
| 58 | * mahogany uses SB700 GPIO9 to detect IDE_DMA66. |
| 59 | * IDE_DMA66 is routed to GPIO 9. So we read Gpio 9 to |
| 60 | * get the cable type, 40 pin or 80 pin? |
| 61 | ********************************************************/ |
| 62 | static void get_ide_dma66(void) |
| 63 | { |
| 64 | u8 byte; |
| 65 | /*u32 sm_dev, ide_dev; */ |
| 66 | device_t sm_dev, ide_dev; |
| 67 | |
| 68 | sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0)); |
| 69 | |
| 70 | byte = pci_read_config8(sm_dev, 0xA9); |
| 71 | byte |= (1 << 5); /* Set Gpio9 as input */ |
| 72 | pci_write_config8(sm_dev, 0xA9, byte); |
| 73 | |
| 74 | ide_dev = dev_find_slot(0, PCI_DEVFN(0x14, 1)); |
| 75 | byte = pci_read_config8(ide_dev, 0x56); |
| 76 | byte &= ~(7 << 0); |
| 77 | if ((1 << 5) & pci_read_config8(sm_dev, 0xAA)) |
| 78 | byte |= 2 << 0; /* mode 2 */ |
| 79 | else |
| 80 | byte |= 5 << 0; /* mode 5 */ |
| 81 | pci_write_config8(ide_dev, 0x56, byte); |
| 82 | } |
| 83 | #endif /* get_ide_dma66 */ |
| 84 | |
Wang Qing Pei | 543f767 | 2010-08-17 11:11:09 +0000 | [diff] [blame] | 85 | u8 is_dev3_present(void) |
| 86 | { |
| 87 | return 0; |
| 88 | } |
| 89 | |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 90 | /************************************************* |
| 91 | * enable the dedicated function in mahogany board. |
| 92 | * This function called early than rs780_enable. |
| 93 | *************************************************/ |
Paul Menzel | 528640d | 2013-02-23 21:31:23 +0100 | [diff] [blame] | 94 | static void mainboard_enable(device_t dev) |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 95 | { |
Rudolf Marek | c7d2773 | 2010-08-17 21:03:17 +0000 | [diff] [blame] | 96 | printk(BIOS_INFO, "Mainboard 939A785GMH/128M Enable. dev=0x%p\n", dev); |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 97 | |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 98 | set_pcie_dereset(); |
| 99 | /* get_ide_dma66(); */ |
| 100 | } |
| 101 | |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 102 | struct chip_operations mainboard_ops = { |
Paul Menzel | 528640d | 2013-02-23 21:31:23 +0100 | [diff] [blame] | 103 | .enable_dev = mainboard_enable, |
Rudolf Marek | 133647a | 2010-04-05 19:47:34 +0000 | [diff] [blame] | 104 | }; |
Rudolf Marek | 7df50a8 | 2010-09-22 22:46:47 +0000 | [diff] [blame] | 105 | |
| 106 | /* override the default SATA PHY setup */ |
Zheng Bao | c342223 | 2011-03-28 03:33:10 +0000 | [diff] [blame] | 107 | void sb7xx_51xx_setup_sata_phys(struct device *dev) { |
Rudolf Marek | 7df50a8 | 2010-09-22 22:46:47 +0000 | [diff] [blame] | 108 | /* RPR7.6.1 Program the PHY Global Control to 0x2C00 */ |
| 109 | pci_write_config16(dev, 0x86, 0x2c00); |
| 110 | |
| 111 | /* RPR7.6.2 SATA GENI PHY ports setting */ |
| 112 | pci_write_config32(dev, 0x88, 0x01B48016); |
| 113 | pci_write_config32(dev, 0x8c, 0x01B48016); |
| 114 | pci_write_config32(dev, 0x90, 0x01B48016); |
| 115 | pci_write_config32(dev, 0x94, 0x01B48016); |
| 116 | pci_write_config32(dev, 0x98, 0x01B48016); |
| 117 | pci_write_config32(dev, 0x9C, 0x01B48016); |
| 118 | |
| 119 | /* RPR7.6.3 SATA GEN II PHY port setting for port [0~5]. */ |
| 120 | pci_write_config16(dev, 0xA0, 0xA07A); |
| 121 | pci_write_config16(dev, 0xA2, 0xA07A); |
| 122 | pci_write_config16(dev, 0xA4, 0xA07A); |
| 123 | pci_write_config16(dev, 0xA6, 0xA07A); |
| 124 | pci_write_config16(dev, 0xA8, 0xA07A); |
| 125 | pci_write_config16(dev, 0xAA, 0xA0FF); |
| 126 | } |