2 * This file is part of the coreboot project.
4 * Copyright (C) 2010 Advanced Micro Devices, Inc.
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.
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.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #include <arch/romcc_io.h>
24 #include <console/console.h>
25 #include <cpu/x86/msr.h>
29 /* space = 0: AX_INDXC, AX_DATAC
30 * space = 1: AX_INDXP, AX_DATAP
32 static void alink_ax_indx(u32 space, u32 axindc, u32 mask, u32 val)
36 /* read axindc to tmp */
37 outl(space << 30 | space << 3 | 0x30, AB_INDX);
38 outl(axindc, AB_DATA);
39 outl(space << 30 | space << 3 | 0x34, AB_INDX);
46 outl(space << 30 | space << 3 | 0x30, AB_INDX);
47 outl(axindc, AB_DATA);
48 outl(space << 30 | space << 3 | 0x34, AB_INDX);
53 /* family 10 only, for reg > 0xFF */
54 #if (CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1) || (CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY10 == 1)
55 static void set_fam10_ext_cfg_enable_bits(device_t fam10_dev, u32 reg_pos, u32 mask,
59 reg = reg_old = pci_read_config32(fam10_dev, reg_pos);
63 pci_write_config32(fam10_dev, reg_pos, reg);
67 #define set_fam10_ext_cfg_enable_bits(a, b, c, d) do {} while (0)
72 * Compliant with CIM_33's ATINB_PrepareInit
74 static void get_cpu_rev(void)
79 printk(BIOS_INFO, "get_cpu_rev EAX=0x%x.\n", eax);
81 printk(BIOS_INFO, "CPU Rev is K8_Cx.\n");
82 else if (eax <= 0x10fff)
83 printk(BIOS_INFO, "CPU Rev is K8_Dx.\n");
84 else if (eax <= 0x20fff)
85 printk(BIOS_INFO, "CPU Rev is K8_Ex.\n");
86 else if (eax <= 0x40fff)
87 printk(BIOS_INFO, "CPU Rev is K8_Fx.\n");
88 else if (eax == 0x60fb1 || eax == 0x60f81) /*These two IDS are exception, they are G1. */
89 printk(BIOS_INFO, "CPU Rev is K8_G1.\n");
90 else if (eax <= 0X60FF0)
91 printk(BIOS_INFO, "CPU Rev is K8_G0.\n");
92 else if (eax <= 0x100000)
93 printk(BIOS_INFO, "CPU Rev is K8_G1.\n");
94 else if (eax <= 0x100f00)
95 printk(BIOS_INFO, "CPU Rev is Fam 10.\n");
97 printk(BIOS_INFO, "CPU Rev is not recognized.\n");
101 CIM NB_GetRevisionInfo()
103 static u8 get_nb_rev(device_t nb_dev)
106 reg = pci_read_config8(nb_dev, 0x8); /* copy from CIM, can't find in doc */
110 reg = REV_SR5650_A11;
114 reg = REV_SR5650_A12;
120 /*****************************************
121 * Compliant with SR5650_CIMX_4_5_0 NBHT_InitHT().
122 * Init HT link speed/width for sr5650 -- k8 link
123 1: Check CPU Family, Family10?
124 2: Get CPU's HT speed and width
125 3: Decide HT mode 1 or 3 by HT Speed. >1GHz: HT3, else HT1
127 *****************************************/
128 static const u8 sr5650_ibias[] = {
129 /* 1, 3 are reserved. */
130 [0x0] = 0x44, /* 200Mhz HyperTransport 1 only */
131 [0x2] = 0x44, /* 400Mhz HyperTransport 1 only */
132 [0x4] = 0xB6, /* 600Mhz HyperTransport 1 only */
133 [0x5] = 0x44, /* 800Mhz HyperTransport 1 only */
134 [0x6] = 0x96, /* 1Ghz HyperTransport 1 only */
135 /* HT3 for Family 10 */
136 [0x7] = 0xB6, /* 1.2Ghz HyperTransport 3 only */
137 [0x8] = 0x23, /* 1.4Ghz HyperTransport 3 only */
138 [0x9] = 0x44, /* 1.6Ghz HyperTransport 3 only */
139 [0xa] = 0x64, /* 1.8Ghz HyperTransport 3 only */
140 [0xb] = 0x96, /* 2.0Ghz HyperTransport 3 only */
141 [0xc] = 0xA6, /* 2.2Ghz HyperTransport 3 only */
142 [0xd] = 0xB6, /* 2.4Ghz HyperTransport 3 only */
143 [0xe] = 0xC6, /* 2.6Ghz HyperTransport 3 only */
146 void sr5650_htinit(void)
149 * About HT, it has been done in enumerate_ht_chain().
151 device_t cpu_f0, sr5650_f0, clk_f1;
153 u8 cpu_ht_freq, cpu_htfreq_max, ibias;
159 /************************
160 * get cpu's ht freq, in cpu's function 0, offset 0x88
161 * bit11-8, specifics the maximum operation frequency of the link's transmitter clock.
162 * The link frequency field (Frq) is cleared by cold reset. SW can write a nonzero
163 * value to this reg, and that value takes effect on the next warm reset or
164 * LDTSTOP_L disconnect sequence.
165 * please see the table sr5650_ibias about the value and its corresponding frequency.
166 ************************/
167 /* Link0, Link1 are for connection between P0 and P1.
168 * TODO: Check the topology of the MP and NB. Or we just read the nbconfig? */
169 /* NOTE: In most cases, we only have one CPU. In that case, we should read 0x88. */
171 /* Find out the node ID and the Link ID that
172 * connects to the Southbridge (system IO hub).
174 sbnode = (pci_read_config32(PCI_DEV(0, 0x18, 0), 0x60) >> 8) & 7;
175 sblink = (pci_read_config32(PCI_DEV(0, 0x18, 0), 0x64) >> 8) & 3; /* bit[10] sublink, bit[9,8] link. */
176 cpu_f0 = PCI_DEV(0, (0x18 + sbnode), 0);
179 * link freq reg of Link0, 1, 2, 3 is 0x88, 0xA8, 0xC8, 0xE8 respectively
180 * link freq ext reg of Link0, 1, 2, 3 is 0x9C, 0xBC, 0xDC, 0xFC respectively
182 linkfreq_reg = 0x88 + (sblink << 5);
183 linkfreqext_reg = 0x9C + (sblink << 5);
184 reg = pci_read_config32(cpu_f0, linkfreq_reg);
186 cpu_ht_freq = (reg & 0xf00) >> 8;
188 /* Freq[4] is only valid for revision D and later processors */
189 if (cpuid_eax(1) >= 0x100F80) {
190 cpu_htfreq_max = 0x14;
191 cpu_ht_freq |= ((pci_read_config32(cpu_f0, linkfreqext_reg) & 0x01) << 4);
193 cpu_htfreq_max = 0x0F;
196 printk(BIOS_INFO, "sr5650_htinit: Node %x Link %x, HT freq=%x.\n",
197 sbnode, sblink, cpu_ht_freq);
198 sr5650_f0 = PCI_DEV(0, 0, 0);
200 clk_f1 = PCI_DEV(0, 0, 1); /* We need to make sure the F1 is accessible. */
202 ibias = sr5650_ibias[cpu_ht_freq];
204 /* If HT freq>1GHz, we assume the CPU is fam10, else it is K8.
206 * Frequency is 1GHz, i.e. cpu_ht_freq is 6, in most cases.
207 * So we check 6 only, it would be faster. */
208 if ((cpu_ht_freq == 0x6) || (cpu_ht_freq == 0x5) || (cpu_ht_freq == 0x4) ||
209 (cpu_ht_freq == 0x2) || (cpu_ht_freq == 0x0)) {
210 printk(BIOS_INFO, "sr5650_htinit: HT1 mode\n");
212 /* HT1 mode, RPR 5.4.2 */
214 set_nbcfg_enable_bits(clk_f1, 0xD8, 0x3FF, ibias);
215 /* Optimizes chipset HT transmitter drive strength */
216 set_htiu_enable_bits(sr5650_f0, 0x2A, 0x3, 0x3);
217 } else if ((cpu_ht_freq > 0x6) && (cpu_ht_freq < cpu_htfreq_max)) {
218 printk(BIOS_INFO, "sr5650_htinit: HT3 mode\n");
220 /* Enable Protocol checker */
221 set_htiu_enable_bits(sr5650_f0, 0x1E, 0xFFFFFFFF, 0x7FFFFFFC);
223 #if (CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1) || (CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY10 == 1) /* save some spaces */
224 /* HT3 mode, RPR 5.4.3 */
225 set_nbcfg_enable_bits(sr5650_f0, 0x9c, 0x3 << 16, 0);
228 set_nbcfg_enable_bits(clk_f1, 0xD8, 0x3FF, ibias);
229 /* Optimizes chipset HT transmitter drive strength */
230 set_htiu_enable_bits(sr5650_f0, 0x2A, 0x3, 0x1);
231 /* Enables error-retry mode */
232 set_nbcfg_enable_bits(sr5650_f0, 0x44, 0x1, 0x1);
233 /* Enables scrambling and Disalbes command throttling */
234 set_nbcfg_enable_bits(sr5650_f0, 0xac, (1 << 3) | (1 << 14), (1 << 3) | (1 << 14));
235 /* Enables transmitter de-emphasis */
236 set_nbcfg_enable_bits(sr5650_f0, 0xa4, 1 << 31, 1 << 31);
237 /* Enabels transmitter de-emphasis level */
238 /* Sets training 0 time */
239 set_nbcfg_enable_bits(sr5650_f0, 0xa0, 0x3F, 0x14);
241 /* Enables strict TM4 detection */
242 set_htiu_enable_bits(sr5650_f0, 0x15, 0x1 << 22, 0x1 << 22);
244 /* Optimizes chipset HT transmitter drive strength */
245 set_htiu_enable_bits(sr5650_f0, 0x2A, 0x3 << 0, 0x1 << 0);
247 /* HyperTransport 3 Processor register settings to be done in northbridge */
249 /* Enables error-retry mode */
250 set_fam10_ext_cfg_enable_bits(cpu_f0, 0x130 + (sblink << 2), 1 << 0, 1 << 0);
252 /* Enables scrambling */
253 set_fam10_ext_cfg_enable_bits(cpu_f0, 0x170 + (sblink << 2), 1 << 3, 1 << 3);
255 /* Enables transmitter de-emphasis
256 * This depends on the PCB design and the trace
258 /* Disables command throttling */
259 set_fam10_ext_cfg_enable_bits(cpu_f0, 0x168, 1 << 10, 1 << 10);
261 /* Sets Training 0 Time. See T0Time table for encodings */
262 /* AGESA have set it to recommanded value already
263 * The recommended values are 14h(2us) if F0x[18C:170][LS2En]=0
264 * and 26h(12us) if F0x[18C:170][LS2En]=1
266 //set_fam10_ext_cfg_enable_bits(cpu_f0, 0x16C, 0x3F, 0x26);
268 /* HT Buffer Allocation for Ganged Links!!! */
269 #endif /* #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 */
273 #if (CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1) || (CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY10 == 1) /* save some spaces */
274 void fam10_optimization(void)
276 device_t cpu_f0, cpu_f2, cpu_f3;
277 device_t cpu1_f0, cpu1_f2, cpu1_f3;
281 printk(BIOS_INFO, "fam10_optimization()\n");
282 msr = rdmsr(0xC001001F);
283 msr.hi |= 1 << 14; /* bit 46: EnableCf8ExtCfg */
284 wrmsr(0xC001001F, msr);
286 cpu_f0 = PCI_DEV(0, 0x18, 0);
287 cpu_f2 = PCI_DEV(0, 0x18, 2);
288 cpu_f3 = PCI_DEV(0, 0x18, 3);
289 cpu1_f0 = PCI_DEV(0, 0x19, 0);
290 cpu1_f2 = PCI_DEV(0, 0x19, 2);
291 cpu1_f3 = PCI_DEV(0, 0x19, 3);
293 val = pci_read_config32(cpu1_f3, 0x8C);
295 pci_write_config32(cpu1_f3, 0x8C, val);
297 /* TODO: HT Buffer Allocation for (un)Ganged Links */
298 /* rpr Table 5-11, 5-12 */
301 #define fam10_optimization() do{}while(0)
302 #endif /* #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 */
304 /*****************************************
305 * Compliant with CIM_33's ATINB_PCICFG_POR_TABLE
306 *****************************************/
307 static void sr5650_por_pcicfg_init(device_t nb_dev)
309 /* enable PCI Memory Access */
310 set_nbcfg_enable_bits_8(nb_dev, 0x04, (u8)(~0xFD), 0x02);
312 set_nbcfg_enable_bits(nb_dev, 0x14, ~0, 0x0);
313 set_nbcfg_enable_bits(nb_dev, 0x18, ~0, 0x0);
314 set_nbcfg_enable_bits(nb_dev, 0x20, ~0, 0x0);
315 set_nbcfg_enable_bits(nb_dev, 0x84, ~0, 0x03000010);
317 /* Reg4Ch[1]=1 (APIC_ENABLE) force cpu request with address 0xFECx_xxxx to south-bridge
318 * Reg4Ch[6]=1 (BMMsgEn) enable BM_Set message generation
320 set_nbcfg_enable_bits(nb_dev, 0x4C, (u8)(~0x00), 0x52042);
322 set_nbcfg_enable_bits(nb_dev, 0x7C, (u8)(~0), 0x0);
324 /* Reg8Ch[10:9] = 0x3 Enables Gfx Debug BAR,
325 * force this BAR as mem type in sr5650_gfx.c */
326 //set_nbcfg_enable_bits_8(nb_dev, 0x8D, (u8)(~0xFF), 0x03);
329 /*****************************************
330 * Compliant with CIM_33's ATINB_MISCIND_POR_TABLE
331 * Compliant with CIM_33's MISC_INIT_TBL
332 *****************************************/
333 static void sr5650_por_misc_index_init(device_t nb_dev)
336 set_nbmisc_enable_bits(nb_dev, 0x75, 0x1, 0x0);
337 /* NBMISCIND:0x75[29]= 1 Device ID for hotplug and PME message */
338 set_nbmisc_enable_bits(nb_dev, 0x75, 1 << 29, 1 << 29);
339 set_nbmisc_enable_bits(nb_dev, 0x75, 1 << 9, 1 << 9); /* no doc reference, comply with BTS */
340 set_nbmisc_enable_bits(nb_dev, 0x46, 1 << 7, 1 << 7); /* bit7 BTS fail*/
342 set_nbmisc_enable_bits(nb_dev, 0x48, 1 << 8, 0);
344 set_nbmisc_enable_bits(nb_dev, 0x2A, 1 << 15 | 1 << 17, 1 << 17);
345 set_nbmisc_enable_bits(nb_dev, 0x2B, 1 << 15 | 1 << 27, 1 << 15 | 1 << 27);
346 set_nbmisc_enable_bits(nb_dev, 0x2C, 1 << 0 | 1 << 1 | 1 << 5 | 1 << 4 | 1 << 10, 1 << 0 | 1 << 1 | 1 << 5);
347 set_nbmisc_enable_bits(nb_dev, 0x32, 0x3F << 20, 0x2A << 20);
348 set_nbmisc_enable_bits(nb_dev, 0x34, 1 << 7 | 1 << 15 | 1 << 23, 0);
349 set_nbmisc_enable_bits(nb_dev, 0x35, 0x3F << 26, 0x2A << 26);
350 set_nbmisc_enable_bits(nb_dev, 0x37, 0xfff << 20, 0xddd << 20);
351 set_nbmisc_enable_bits(nb_dev, 0x37, 7 << 11, 0);
352 /* PCIE CDR setting */
353 set_nbmisc_enable_bits(nb_dev, 0x38, 0xFFFFFFFF, 0xC0C0C0);
354 set_nbmisc_enable_bits(nb_dev, 0x22, 0xFFFFFFFF, (1 << 27) | (0x8 << 12) | (0x8 << 16) | (0x8 << 20));
355 set_nbmisc_enable_bits(nb_dev, 0x22, 1 << 1 | 1 << 2 | 1 << 6 | 1 << 7, 1 << 1 | 1 << 2 | 1 << 6 | 1 << 7);
357 set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 4 | 1 << 24, 0xF << 4 | 1 << 24);
358 set_nbmisc_enable_bits(nb_dev, 0x67, 1 << 10 | 1 << 11 | 1 << 26, 1 << 11);
359 set_nbmisc_enable_bits(nb_dev, 0x67, 3 << 21, 3 << 21);
360 set_nbmisc_enable_bits(nb_dev, 0x68, 1 << 8 | 1 << 9 | 1 << 19, 1 << 9 | 1 << 19);
361 set_nbmisc_enable_bits(nb_dev, 0x6B, 3 << 3 | 1 << 15 | 0x1F << 27, 3 << 3 | 1 << 15 | 0x1F << 27);
362 set_nbmisc_enable_bits(nb_dev, 0x6C, 0xFFFFFFFF, 0x41183000);
364 /* NB_MISC_IND_WR_EN + IOC_PCIE_CNTL
365 * Block non-snoop DMA request if PMArbDis is set.
367 set_nbmisc_enable_bits(nb_dev, 0x0B, 0xFFFFFFFF, 0x00400180);
368 set_nbmisc_enable_bits(nb_dev, 0x01, 0xFFFFFFFF, 0x00000310);
370 /* NBCFG (NBMISCIND 0x0): NB_CNTL -
371 * HIDE_NB_AGP_CAP ([0], default=1)HIDE
372 * HIDE_P2P_AGP_CAP ([1], default=1)HIDE
373 * HIDE_NB_GART_BAR ([2], default=1)HIDE
374 * AGPMODE30 ([4], default=0)DISABLE
375 * AGP30ENCHANCED ([5], default=0)DISABLE
376 * HIDE_AGP_CAP ([8], default=1)ENABLE */
377 set_nbmisc_enable_bits(nb_dev, 0x00, 0x0000FFFF, 0 << 0 | 1 << 1 | 1 << 2 | 0 << 6);
379 /* IOC_LAT_PERF_CNTR_CNTL */
380 set_nbmisc_enable_bits(nb_dev, 0x30, 0xFF, 0x00);
381 //set_nbmisc_enable_bits(nb_dev, 0x31, 0xFF, 0x00);
383 /* IOC_LAT_PERF_CNTR_OUT */
385 set_nbmisc_enable_bits(nb_dev, 0x47, 0xFFFFFFFF, 0x0000000B);
387 set_nbmisc_enable_bits(nb_dev, 0x12, 0xFFFFFFFF, 0x00FB5555);
388 set_nbmisc_enable_bits(nb_dev, 0x0C, 0xFFFFFFFF, 0x001F37FC);
389 set_nbmisc_enable_bits(nb_dev, 0x15, 0xFFFFFFFF, 0x0);
391 /* NB_PROG_DEVICE_REMAP */
392 set_nbmisc_enable_bits(nb_dev, 0x20, 0xFFFFFFFF, 0x0);
393 set_nbmisc_enable_bits(nb_dev, 0x21, 0xFFFFFFFF, 0x0);
395 /* Compliant with CIM_33's MISC_INIT_TBL, except Hide NB_BAR3_PCIE
396 * Enable access to DEV8
397 * Enable setPower message for all ports
399 set_nbmisc_enable_bits(nb_dev, 0x51, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8);
400 set_nbmisc_enable_bits(nb_dev, 0x53, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8);
401 set_nbmisc_enable_bits(nb_dev, 0x55, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8);
402 set_nbmisc_enable_bits(nb_dev, 0x57, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8);
403 set_nbmisc_enable_bits(nb_dev, 0x59, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8);
404 set_nbmisc_enable_bits(nb_dev, 0x5B, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8);
405 set_nbmisc_enable_bits(nb_dev, 0x5D, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8);
406 set_nbmisc_enable_bits(nb_dev, 0x5F, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8);
407 set_nbmisc_enable_bits(nb_dev, 0x61, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8);
408 set_nbmisc_enable_bits(nb_dev, 0x63, 1 << 20 | 1 << 8, 1 << 20 | 1 << 8);
410 /* Disable bus-master trigger event from SB and Enable set_slot_power message to SB */
411 set_nbmisc_enable_bits(nb_dev, 0x0B, 0xffffffff, 0x400180);
414 /*****************************************
415 * Some setting is from rpr. Some is from CIMx.
416 *****************************************/
417 static void sr5650_por_htiu_index_init(device_t nb_dev)
421 cpu_f0 = PCI_DEV(0, 0x18, 0);
423 set_htiu_enable_bits(nb_dev, 0x1C, 0x1<<17, 0x1<<17);
424 set_htiu_enable_bits(nb_dev, 0x05, 0x1<<8, 0x1<<8);
425 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<0, 0x0<<0);
426 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<1, 0x1<<1);
427 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<9, 0x1<<9);
428 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<13, 0x1<<13);
429 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<17, 0x1<<17);
430 set_htiu_enable_bits(nb_dev, 0x06, 0x3<<15, 0x3<<15);
431 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<25, 0x1<<25);
432 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<30, 0x1<<30);
434 set_htiu_enable_bits(nb_dev, 0x07, 0x1 << 0 | 0x1 << 1 | 0x1 << 2, 0x1 << 0);
436 set_htiu_enable_bits(nb_dev, 0x16, 0x1<<11, 0x1<<11);
438 set_htiu_enable_bits(nb_dev, 0x1D, 0x1<<2, 0x1<<2);
439 set_htiu_enable_bits(nb_dev, 0x1D, 0x1<<4, 0x1<<4);
441 set_nbcfg_enable_bits(cpu_f0, 0x68, 3 << 21, 0 << 21);
442 axindxc_reg(0x10, 1 << 9, 1 << 9);
443 set_pcie_enable_bits(nb_dev, 0x10 | 5 << 16, 1 << 9, 1 << 9);
444 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<26, 0x1<<26);
445 set_htiu_enable_bits(nb_dev, 0x16, 0x1<<10, 0x1<<10);
447 /* Enable BIAS circuit for all lanes. */
448 //set_htiu_enable_bits(nb_dev, 0x2B, 0xF<<28, 0xF<<28);
449 set_htiu_enable_bits(nb_dev, 0x2B, 0xF << 28, 0);
450 set_htiu_enable_bits(nb_dev, 0x05, 0xFFFFFF, 0xFF558);
451 set_htiu_enable_bits(nb_dev, 0x06, 0xFFFFFFFE, 0x04203A202);
452 set_htiu_enable_bits(nb_dev, 0x0C, 0xFFFF, 0x101);
455 //if (REV_SR5650_A21 == get_nb_rev(nb_dev)) {
456 if (get_nb_rev(nb_dev) > REV_SR5650_A11) {
457 set_htiu_enable_bits(nb_dev, 0x05, 0x3<<3| 1<<6 | 1<<10 | 0xFF<<12, 0x3<<3 | 1<<6 | 1<<10 | 0xFF<<12);
458 set_htiu_enable_bits(nb_dev, 0x1D, 1 << 2 | 1 << 4, 0);
462 /*****************************************
463 * Compliant with CIM_33's ATINB_POR_INIT_JMPDI
464 * Configure SR5650 registers to power-on default RPR.
465 * POR: Power On Reset
466 * RPR: Register Programming Requirements
467 *****************************************/
468 static void sr5650_por_init(device_t nb_dev)
470 printk(BIOS_INFO, "sr5650_por_init\n");
471 /* ATINB_PCICFG_POR_TABLE, initialize the values for sr5650 PCI Config registers */
472 sr5650_por_pcicfg_init(nb_dev);
474 /* ATINB_MISCIND_POR_TABLE */
475 sr5650_por_misc_index_init(nb_dev);
477 /* ATINB_HTIUNBIND_POR_TABLE */
478 sr5650_por_htiu_index_init(nb_dev);
480 /* ATINB_CLKCFG_PORT_TABLE */
481 /* sr5650 A11 SB Link full swing? */
484 /* enable CFG access to Dev8, which is the SB P2P Bridge */
485 void enable_sr5650_dev8(void)
487 set_nbmisc_enable_bits(PCI_DEV(0, 0, 0), 0x00, 1 << 6, 1 << 6);
491 * Compliant with CIM_33's AtiNBInitEarlyPost (AtiInitNBBeforePCIInit).
493 void sr5650_before_pci_init(void)
498 * The calling sequence is same as CIM.
500 void sr5650_early_setup(void)
502 device_t nb_dev = PCI_DEV(0, 0, 0);
503 printk(BIOS_INFO, "sr5650_early_setup()\n");
505 /*ATINB_PrepareInit */
508 switch (get_nb_rev(nb_dev)) { /* PCIEMiscInit */
510 printk(BIOS_INFO, "NB Revision is A11.\n");
513 printk(BIOS_INFO, "NB Revision is A12.\n");
516 printk(BIOS_INFO, "NB Revision is A21.\n");
520 fam10_optimization();
521 sr5650_por_init(nb_dev);
525 * @brief disable GPP1 Port0,1, GPP2, GPP3a Port0,1,2,3,4,5, GPP3b
528 void sr5650_disable_pcie_bridge(void)
532 device_t nb_dev = PCI_DEV(0, 0, 0);
534 mask = (1 << 2) | (1 << 3); /*GPP1*/
535 mask |= (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7) | (1 << 16) | (1 << 17); /*GPP3a*/
536 mask |= (1 << 18) | (1 << 19); /*GPP2*/
537 mask |= (1 << 20); /*GPP3b*/
539 set_nbmisc_enable_bits(nb_dev, 0x0c, mask, reg);