3 * by yinghai.lu@amd.com
7 static void bcm5785_enable_rom(void)
12 /* Enable 4MB rom access at 0xFFC00000 - 0xFFFFFFFF */
13 /* Locate the BCM 5785 SB PCI Main */
14 addr = pci_locate_device(PCI_ID(0x1166, 0x0205), 0); // 0x0201?
16 /* Set the 4MB enable bit bit */
17 byte = pci_read_config8(addr, 0x41);
19 pci_write_config8(addr, 0x41, byte);
22 static void bcm5785_enable_lpc(void)
28 dev = pci_locate_device(PCI_ID(0x1166, 0x0234), 0);
31 byte = pci_read_config8(dev, 0x44);
34 pci_write_config8(dev, 0x44, byte);
37 byte = pci_read_config8(dev, 0x48);
38 /* superio port 0x2e/4e enable */
40 pci_write_config8(dev, 0x48, byte);
43 static void bcm5785_enable_wdt_port_cf9(void)
49 dev = pci_locate_device(PCI_ID(0x1166, 0x0205), 0);
51 dword_old = pci_read_config32(dev, 0x4c);
52 dword = dword_old | (1<<4); //enable Timer Func
53 if(dword != dword_old ) {
54 pci_write_config32(dev, 0x4c, dword);
57 dword_old = pci_read_config32(dev, 0x6c);
58 dword = dword_old | (1<<9); //unhide Timer Func in pci space
59 if(dword != dword_old ) {
60 pci_write_config32(dev, 0x6c, dword);
63 dev = pci_locate_device(PCI_ID(0x1166, 0x0238), 0);
66 pci_write_config8(dev, 0x40, (1<<2));
69 static unsigned get_sbdn(unsigned bus)
74 * There can only be one 8111 on a hypertransport chain/bus.
76 dev = pci_locate_device_on_bus(
77 PCI_ID(0x1166, 0x0036),
80 return (dev>>15) & 0x1f;
86 static void enable_fid_change_on_sb(unsigned sbbusn, unsigned sbdn)
105 static void ldtstop_sb(void)
111 void hard_reset(void)
113 bcm5785_enable_wdt_port_cf9();
122 void soft_reset(void)
124 bcm5785_enable_wdt_port_cf9();
129 // outb(0x02, 0x0cf9);
136 static void bcm5785_enable_msg(void)
143 dev = pci_locate_device(PCI_ID(0x1166, 0x0205), 0);
145 byte = pci_read_config8(dev, 0x42);
146 byte = (1<<1); //enable a20
147 pci_write_config8(dev, 0x42, byte);
149 dword_old = pci_read_config32(dev, 0x6c);
150 // bit 5: enable A20 Message
151 // bit 4: enable interrupt messages
152 // bit 3: enable reset init message
153 // bit 2: enable keyboard init message
154 // bit 1: enable upsteam messages
155 // bit 0: enable shutdowm message to init generation
156 dword = dword_old | (1<<5) | (1<<3) | (1<<2) | (1<<1) | (1<<0); // bit 1 and bit 4 must be set, otherwise interrupt msg will not be delivered to the processor
157 if(dword != dword_old ) {
158 pci_write_config32(dev, 0x6c, dword);
163 static void bcm5785_early_setup(void)
170 // enable device on bcm5785 at first
171 dev = pci_locate_device(PCI_ID(0x1166, 0x0205), 0);
172 dword = pci_read_config32(dev, 0x64);
173 dword |= (1<<15) | (1<<11) | (1<<3); // ioapci enable
174 dword |= (1<<8); // USB enable
175 dword |= /* (1<<27)|*/(1<<14); // IDE enable
176 pci_write_config32(dev, 0x64, dword);
178 byte = pci_read_config8(dev, 0x84);
179 byte |= (1<<0); // SATA enable
180 pci_write_config8(dev, 0x84, byte);
182 // WDT and cf9 for later in coreboot_ram to call hard_reset
183 bcm5785_enable_wdt_port_cf9();
185 bcm5785_enable_msg();
190 byte = pci_read_config8(dev, 0x4e);
191 byte |= (1<<4); //enable IDE ext regs
192 pci_write_config8(dev, 0x4e, byte);
195 dev = pci_locate_device(PCI_ID(0x1166, 0x0214), 0);
196 byte = pci_read_config8(dev, 0x48);
197 byte &= ~1; // disable pri channel
198 pci_write_config8(dev, 0x48, byte);
199 pci_write_config8(dev, 0xb0, 0x01);
200 pci_write_config8(dev, 0xb2, 0x02);
201 byte = pci_read_config8(dev, 0x06);
202 byte |= (1<<4); // so b0, b2 can not be changed from now
203 pci_write_config8(dev, 0x06, byte);
204 byte = pci_read_config8(dev, 0x49);
205 byte |= 1; // enable second channel
206 pci_write_config8(dev, 0x49, byte);
209 dev = pci_locate_device(PCI_ID(0x1166, 0x0234), 0);
211 byte = pci_read_config8(dev, 0x40);
212 byte |= (1<<3)|(1<<2); // LPC Retry, LPC to PCI DMA enable
213 pci_write_config8(dev, 0x40, byte);
215 pci_write_config32(dev, 0x60, 0x0000ffff); // LPC Memory hole start and end
218 pci_write_config8(dev, 0x90, 0x40);
219 pci_write_config8(dev, 0x92, 0x06);
220 pci_write_config8(dev, 0x9c, 0x7c); //PHY timinig register
221 pci_write_config8(dev, 0xa4, 0x02); //mask reg - low/full speed func
222 pci_write_config8(dev, 0xa5, 0x02); //mask reg - low/full speed func
223 pci_write_config8(dev, 0xa6, 0x00); //mask reg - high speed func
224 pci_write_config8(dev, 0xb4, 0x40);