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
20 #include "rs780_rev.h"
22 #define NBHTIU_INDEX 0x94 /* Note: It is different with RS690, whose HTIU index is 0xA8 */
23 #define NBMISC_INDEX 0x60
24 #define NBMC_INDEX 0xE8
26 static u32 nb_read_index(device_t dev, u32 index_reg, u32 index)
28 pci_write_config32(dev, index_reg, index);
29 return pci_read_config32(dev, index_reg + 0x4);
32 static void nb_write_index(device_t dev, u32 index_reg, u32 index, u32 data)
34 pci_write_config32(dev, index_reg, index /* | 0x80 */ );
35 pci_write_config32(dev, index_reg + 0x4, data);
38 static u32 nbmisc_read_index(device_t nb_dev, u32 index)
40 return nb_read_index((nb_dev), NBMISC_INDEX, (index));
43 static void nbmisc_write_index(device_t nb_dev, u32 index, u32 data)
45 nb_write_index((nb_dev), NBMISC_INDEX, ((index) | 0x80), (data));
48 static u32 htiu_read_index(device_t nb_dev, u32 index)
50 return nb_read_index((nb_dev), NBHTIU_INDEX, (index));
53 static void htiu_write_index(device_t nb_dev, u32 index, u32 data)
55 nb_write_index((nb_dev), NBHTIU_INDEX, ((index) | 0x100), (data));
58 static u32 nbmc_read_index(device_t nb_dev, u32 index)
60 return nb_read_index((nb_dev), NBMC_INDEX, (index));
63 static void nbmc_write_index(device_t nb_dev, u32 index, u32 data)
65 nb_write_index((nb_dev), NBMC_INDEX, ((index) | 1 << 9), (data));
68 static void set_htiu_enable_bits(device_t nb_dev, u32 reg_pos, u32 mask,
72 reg = reg_old = htiu_read_index(nb_dev, reg_pos);
76 htiu_write_index(nb_dev, reg_pos, reg);
80 static void set_nbmisc_enable_bits(device_t nb_dev, u32 reg_pos, u32 mask,
84 reg = reg_old = nbmisc_read_index(nb_dev, reg_pos);
88 nbmisc_write_index(nb_dev, reg_pos, reg);
92 static void set_nbcfg_enable_bits(device_t nb_dev, u32 reg_pos, u32 mask,
96 reg = reg_old = pci_read_config32(nb_dev, reg_pos);
100 pci_write_config32(nb_dev, reg_pos, reg);
103 /* family 10 only, for reg > 0xFF */
104 #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1
105 static void set_fam10_ext_cfg_enable_bits(device_t fam10_dev, u32 reg_pos, u32 mask,
109 reg = reg_old = Get_NB32(fam10_dev, reg_pos);
112 if (reg != reg_old) {
113 Set_NB32(fam10_dev, reg_pos, reg);
117 #define set_fam10_ext_cfg_enable_bits(a, b, c, d) do {} while (0)
121 static void set_nbcfg_enable_bits_8(device_t nb_dev, u32 reg_pos, u8 mask,
125 reg = reg_old = pci_read_config8(nb_dev, reg_pos);
128 if (reg != reg_old) {
129 pci_write_config8(nb_dev, reg_pos, reg);
133 static void set_nbmc_enable_bits(device_t nb_dev, u32 reg_pos, u32 mask,
137 reg = reg_old = nbmc_read_index(nb_dev, reg_pos);
140 if (reg != reg_old) {
141 nbmc_write_index(nb_dev, reg_pos, reg);
145 static void get_cpu_rev()
150 printk(BIOS_INFO, "get_cpu_rev EAX=0x%x.\n", eax);
152 printk(BIOS_INFO, "CPU Rev is K8_Cx.\n");
153 else if (eax <= 0x10fff)
154 printk(BIOS_INFO, "CPU Rev is K8_Dx.\n");
155 else if (eax <= 0x20fff)
156 printk(BIOS_INFO, "CPU Rev is K8_Ex.\n");
157 else if (eax <= 0x40fff)
158 printk(BIOS_INFO, "CPU Rev is K8_Fx.\n");
159 else if (eax == 0x60fb1 || eax == 0x60f81) /*These two IDS are exception, they are G1. */
160 printk(BIOS_INFO, "CPU Rev is K8_G1.\n");
161 else if (eax <= 0X60FF0)
162 printk(BIOS_INFO, "CPU Rev is K8_G0.\n");
163 else if (eax <= 0x100000)
164 printk(BIOS_INFO, "CPU Rev is K8_G1.\n");
165 else if (eax <= 0x100f00)
166 printk(BIOS_INFO, "CPU Rev is Fam 10.\n");
168 printk(BIOS_INFO, "CPU Rev is K8_10.\n");
171 static u8 is_famly10()
173 return (cpuid_eax(1) & 0xff00000) != 0;
178 return (cpuid_edx(0x80000006) & (0x3FFF << 18)) != 0;
181 static u8 cpu_core_number()
183 return (cpuid_ecx(0x80000008) & 0xFF) + 1;
186 static u8 get_nb_rev(device_t nb_dev)
189 reg = pci_read_config8(nb_dev, 0x89); /* copy from CIM, can't find in doc */
205 /*****************************************
206 * Init HT link speed/width for rs780 -- k8 link
207 * 1: Check CPU Family, Family10?
208 * 2: Get CPU's HT speed and width
209 * 3: Decide HT mode 1 or 3 by HT Speed. >1GHz: HT3, else HT1
210 *****************************************/
211 static const u8 rs780_ibias[] = {
212 /* 1, 3 are reserved. */
213 [0x0] = 0x4C, /* 200Mhz HyperTransport 1 only */
214 [0x2] = 0x4C, /* 400Mhz HyperTransport 1 only */
215 [0x4] = 0xB6, /* 600Mhz HyperTransport 1 only */
216 [0x5] = 0x4C, /* 800Mhz HyperTransport 1 only */
217 [0x6] = 0x9D, /* 1Ghz HyperTransport 1 only */
218 /* HT3 for Family 10 */
219 [0x7] = 0xB6, /* 1.2Ghz HyperTransport 3 only */
220 [0x8] = 0x2B, /* 1.4Ghz HyperTransport 3 only */
221 [0x9] = 0x4C, /* 1.6Ghz HyperTransport 3 only */
222 [0xa] = 0x6C, /* 1.8Ghz HyperTransport 3 only */
223 [0xb] = 0x9D, /* 2.0Ghz HyperTransport 3 only */
224 [0xc] = 0xAD, /* 2.2Ghz HyperTransport 3 only */
225 [0xd] = 0xB6, /* 2.4Ghz HyperTransport 3 only */
226 [0xe] = 0xC6, /* 2.6Ghz HyperTransport 3 only */
229 static void rs780_htinit()
232 * About HT, it has been done in enumerate_ht_chain().
234 device_t cpu_f0, rs780_f0, clk_f1;
236 u8 cpu_ht_freq, ibias;
238 cpu_f0 = PCI_DEV(0, 0x18, 0);
239 /************************
240 * get cpu's ht freq, in cpu's function 0, offset 0x88
241 * bit11-8, specifics the maximum operation frequency of the link's transmitter clock.
242 * The link frequency field (Frq) is cleared by cold reset. SW can write a nonzero
243 * value to this reg, and that value takes effect on the next warm reset or
244 * LDTSTOP_L disconnect sequence.
245 * please see the table rs780_ibias about the value and its corresponding frequency.
246 ************************/
247 reg = pci_read_config32(cpu_f0, 0x88);
248 cpu_ht_freq = (reg & 0xf00) >> 8;
249 printk(BIOS_INFO, "rs780_htinit cpu_ht_freq=%x.\n", cpu_ht_freq);
250 rs780_f0 = PCI_DEV(0, 0, 0);
251 //set_nbcfg_enable_bits(rs780_f0, 0xC8, 0x7<<24 | 0x7<<28, 1<<24 | 1<<28);
253 clk_f1 = PCI_DEV(0, 0, 1); /* We need to make sure the F1 is accessible. */
255 ibias = rs780_ibias[cpu_ht_freq];
257 /* If HT freq>1GHz, we assume the CPU is fam10, else it is K8.
259 * Frequency is 1GHz, i.e. cpu_ht_freq is 6, in most cases.
260 * So we check 6 only, it would be faster. */
261 if ((cpu_ht_freq == 0x6) || (cpu_ht_freq == 0x5) || (cpu_ht_freq == 0x4) ||
262 (cpu_ht_freq == 0x2) || (cpu_ht_freq == 0x0)) {
263 printk(BIOS_INFO, "rs780_htinit: HT1 mode\n");
265 /* HT1 mode, RPR 8.4.2 */
267 set_nbcfg_enable_bits(clk_f1, 0xD8, 0x3FF, ibias);
268 /* Optimizes chipset HT transmitter drive strength */
269 set_htiu_enable_bits(rs780_f0, 0x2A, 0x3, 0x1);
270 } else if ((cpu_ht_freq > 0x6) && (cpu_ht_freq < 0xf)) {
271 printk(BIOS_INFO, "rs780_htinit: HT3 mode\n");
273 #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 /* save some spaces */
274 /* HT3 mode, RPR 8.4.3 */
275 set_nbcfg_enable_bits(rs780_f0, 0x9c, 0x3 << 16, 0);
278 set_nbcfg_enable_bits(clk_f1, 0xD8, 0x3FF, ibias);
279 /* Optimizes chipset HT transmitter drive strength */
280 set_htiu_enable_bits(rs780_f0, 0x2A, 0x3, 0x1);
281 /* Enables error-retry mode */
282 set_nbcfg_enable_bits(rs780_f0, 0x44, 0x1, 0x1);
283 /* Enables scrambling and Disalbes command throttling */
284 set_nbcfg_enable_bits(rs780_f0, 0xac, (1 << 3) | (1 << 14), (1 << 3) | (1 << 14));
285 /* Enables transmitter de-emphasis */
286 set_nbcfg_enable_bits(rs780_f0, 0xa4, 1 << 31, 1 << 31);
287 /* Enabels transmitter de-emphasis level */
288 /* Sets training 0 time */
289 set_nbcfg_enable_bits(rs780_f0, 0xa0, 0x3F, 0x14);
291 /* Enables strict TM4 detection */
292 set_htiu_enable_bits(rs780_f0, 0x15, 0x1 << 22, 0x1 << 22);
293 /* Enables proprer DLL reset sequence */
294 set_htiu_enable_bits(rs780_f0, 0x16, 0x1 << 10, 0x1 << 10);
296 /* HyperTransport 3 Processor register settings to be done in northbridge */
297 /* Enables error-retry mode */
298 set_fam10_ext_cfg_enable_bits(cpu_f0, 0x130, 1 << 0, 1 << 0);
299 /* Enables scrambling */
300 set_fam10_ext_cfg_enable_bits(cpu_f0, 0x170, 1 << 3, 1 << 3);
301 /* Enables transmitter de-emphasis
302 * This depends on the PCB design and the trace */
304 /* Disables command throttling */
305 set_fam10_ext_cfg_enable_bits(cpu_f0, 0x168, 1 << 10, 1 << 10);
306 /* Sets Training 0 Time. See T0Time table for encodings */
307 set_fam10_ext_cfg_enable_bits(cpu_f0, 0x16C, 0x3F, 0x20);
309 #endif /* #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 */
313 #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 != 1 /* save some spaces */
314 /*******************************************************
315 * Optimize k8 with UMA.
316 * See BKDG_NPT_0F guide for details.
317 * The processor node is addressed by its Node ID on the HT link and can be
318 * accessed with a device number in the PCI configuration space on Bus0.
319 * The Node ID 0 is mapped to Device 24 (0x18), the Node ID 1 is mapped
320 * to Device 25, and so on.
321 * The processor implements configuration registers in PCI configuration
322 * space using the following four headers
323 * Function0: HT technology configuration
324 * Function1: Address map configuration
325 * Function2: DRAM and HT technology Trace mode configuration
326 * Function3: Miscellaneous configuration
327 *******************************************************/
328 static void k8_optimization()
330 device_t k8_f0, k8_f2, k8_f3;
333 printk(BIOS_INFO, "k8_optimization()\n");
334 k8_f0 = PCI_DEV(0, 0x18, 0);
335 k8_f2 = PCI_DEV(0, 0x18, 2);
336 k8_f3 = PCI_DEV(0, 0x18, 3);
338 /* 8.6.6 K8 Buffer Allocation Settings */
339 pci_write_config32(k8_f0, 0x90, 0x01700169); /* CIM NPT_Optimization */
340 set_nbcfg_enable_bits(k8_f0, 0x68, 1 << 28, 0 << 28);
341 set_nbcfg_enable_bits(k8_f0, 0x68, 3 << 26, 3 << 26);
342 set_nbcfg_enable_bits(k8_f0, 0x68, 1 << 11, 1 << 11);
343 /* set_nbcfg_enable_bits(k8_f0, 0x84, 1 << 11 | 1 << 13 | 1 << 15, 1 << 11 | 1 << 13 | 1 << 15); */ /* TODO */
345 pci_write_config32(k8_f3, 0x70, 0x51220111);
346 pci_write_config32(k8_f3, 0x74, 0x50404021);
347 pci_write_config32(k8_f3, 0x78, 0x08002A00);
348 if (pci_read_config32(k8_f3, 0xE8) & 0x3<<12)
349 pci_write_config32(k8_f3, 0x7C, 0x0000211A); /* dual core */
351 pci_write_config32(k8_f3, 0x7C, 0x0000212B); /* single core */
352 set_nbcfg_enable_bits_8(k8_f3, 0xDC, 0xFF, 0x25);
354 set_nbcfg_enable_bits(k8_f2, 0xA0, 1 << 5, 1 << 5);
355 set_nbcfg_enable_bits(k8_f2, 0x94, 0xF << 24, 7 << 24);
356 set_nbcfg_enable_bits(k8_f2, 0x90, 1 << 10, 0 << 10);
357 set_nbcfg_enable_bits(k8_f2, 0xA0, 3 << 2, 3 << 2);
358 set_nbcfg_enable_bits(k8_f2, 0xA0, 1 << 5, 1 << 5);
360 msr = rdmsr(0xC001001F);
363 wrmsr(0xC001001F, msr);
366 #define k8_optimization() do{}while(0)
367 #endif /* #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 != 1 */
369 #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 /* save some spaces */
370 void fam10_optimization()
372 device_t cpu_f0, cpu_f2, cpu_f3;
376 printk(BIOS_INFO, "fam10_optimization()\n");
378 cpu_f0 = PCI_DEV(0, 0x18, 0);
379 cpu_f2 = PCI_DEV(0, 0x18, 2);
380 cpu_f3 = PCI_DEV(0, 0x18, 3);
384 pci_write_config32(cpu_f0, 0x90, 0x808502D0);
386 pci_write_config32(cpu_f0, 0x94, 0x00000000);
389 val = pci_read_config32(cpu_f0, 0x68);
391 pci_write_config32(cpu_f0, 0x68, val);
394 val = pci_read_config32(cpu_f0, 0x84);
396 pci_write_config32(cpu_f0, 0x84, val);
399 val = pci_read_config32(cpu_f2, 0x90);
401 pci_write_config32(cpu_f2, 0x90, val);
404 pci_write_config32(cpu_f3, 0x6C, 0x60018051);
406 pci_write_config32(cpu_f3, 0x70, 0x60321151);
408 pci_write_config32(cpu_f3, 0x74, 0x00980101);
410 pci_write_config32(cpu_f3, 0x78, 0x00200C14);
412 pci_write_config32(cpu_f3, 0x7C, 0x00070811); /* TODO: Check if L3 Cache is enabled. */
415 Set_NB32(cpu_f3, 0x140, 0x00D33656);
417 Set_NB32(cpu_f3, 0x144, 0x00000036);
419 Set_NB32(cpu_f3, 0x148, 0x8000832A);
421 Set_NB32(cpu_f3, 0x158, 0);
422 /* L3 Disabled: L3 Enabled: */
423 /* cores: 2 3 4 2 3 4 */
424 /* bit8:4 28 26 24 24 20 16 */
426 Set_NB32(cpu_f3, 0x1A0, 4 << 12 | (24 + 2*(4-cpu_core_number())) << 4 | 2);
428 Set_NB32(cpu_f3, 0x1A0, 4 << 12 | (16 + 4*(4-cpu_core_number())) << 4 | 4);
432 #define fam10_optimization() do{}while(0)
433 #endif /* #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 */
435 /*****************************************
436 * rs780_por_pcicfg_init()
437 *****************************************/
438 static void rs780_por_pcicfg_init(device_t nb_dev)
440 /* enable PCI Memory Access */
441 set_nbcfg_enable_bits_8(nb_dev, 0x04, (u8)(~0xFD), 0x02);
442 /* Set RCRB Enable */
443 set_nbcfg_enable_bits_8(nb_dev, 0x84, (u8)(~0xFF), 0x1);
444 /* allow decode of 640k-1MB */
445 set_nbcfg_enable_bits_8(nb_dev, 0x84, (u8)(~0xEF), 0x10);
446 /* Enable PM2_CNTL(BAR2) IO mapped cfg write access to be broadcast to both NB and SB */
447 set_nbcfg_enable_bits_8(nb_dev, 0x84, (u8)(~0xFF), 0x4);
448 /* Power Management Register Enable */
449 set_nbcfg_enable_bits_8(nb_dev, 0x84, (u8)(~0xFF), 0x80);
451 /* Reg4Ch[1]=1 (APIC_ENABLE) force cpu request with address 0xFECx_xxxx to south-bridge
452 * Reg4Ch[6]=1 (BMMsgEn) enable BM_Set message generation
454 set_nbcfg_enable_bits_8(nb_dev, 0x4C, (u8)(~0x00), 0x42 | 1);
456 /* Reg4Ch[16]=1 (WakeC2En) enable Wake_from_C2 message generation.
457 * Reg4Ch[18]=1 (P4IntEnable) Enable north-bridge to accept MSI with address 0xFEEx_xxxx from south-bridge */
458 set_nbcfg_enable_bits_8(nb_dev, 0x4E, (u8)(~0xFF), 0x05);
459 /* Reg94h[4:0] = 0x0 P drive strength offset 0
460 * Reg94h[6:5] = 0x2 P drive strength additive adjust */
461 set_nbcfg_enable_bits_8(nb_dev, 0x94, (u8)(~0x80), 0x40);
463 /* Reg94h[20:16] = 0x0 N drive strength offset 0
464 * Reg94h[22:21] = 0x2 N drive strength additive adjust */
465 set_nbcfg_enable_bits_8(nb_dev, 0x96, (u8)(~0x80), 0x40);
467 /* Reg80h[4:0] = 0x0 Termination offset
468 * Reg80h[6:5] = 0x2 Termination additive adjust */
469 set_nbcfg_enable_bits_8(nb_dev, 0x80, (u8)(~0x80), 0x40);
471 /* Reg80h[14] = 0x1 Enable receiver termination control */
472 set_nbcfg_enable_bits_8(nb_dev, 0x81, (u8)(~0xFF), 0x40);
474 /* Reg94h[15] = 0x1 Enables HT transmitter advanced features to be turned on
475 * Reg94h[14] = 0x1 Enable drive strength control */
476 set_nbcfg_enable_bits_8(nb_dev, 0x95, (u8)(~0x3F), 0xC4);
478 /* Reg94h[31:29] = 0x7 Enables HT transmitter de-emphasis */
479 set_nbcfg_enable_bits_8(nb_dev, 0x97, (u8)(~0x1F), 0xE0);
481 /*Reg8Ch[10:9] = 0x3 Enables Gfx Debug BAR,
482 * force this BAR as mem type in rs780_gfx.c */
483 set_nbcfg_enable_bits_8(nb_dev, 0x8D, (u8)(~0xFF), 0x03);
486 static void rs780_por_mc_index_init(device_t nb_dev)
488 set_nbmc_enable_bits(nb_dev, 0x7A, ~0xFFFFFF80, 0x0000005F);
489 set_nbmc_enable_bits(nb_dev, 0xD8, ~0x00000000, 0x00600060);
490 set_nbmc_enable_bits(nb_dev, 0xD9, ~0x00000000, 0x00600060);
491 set_nbmc_enable_bits(nb_dev, 0xE0, ~0x00000000, 0x00000000);
492 set_nbmc_enable_bits(nb_dev, 0xE1, ~0x00000000, 0x00000000);
493 set_nbmc_enable_bits(nb_dev, 0xE8, ~0x00000000, 0x003E003E);
494 set_nbmc_enable_bits(nb_dev, 0xE9, ~0x00000000, 0x003E003E);
497 static void rs780_por_misc_index_init(device_t nb_dev)
499 /* NB_MISC_IND_WR_EN + IOC_PCIE_CNTL
500 * Block non-snoop DMA request if PMArbDis is set.
502 set_nbmisc_enable_bits(nb_dev, 0x0B, ~0xFFFF0000, 0x00000180);
503 set_nbmisc_enable_bits(nb_dev, 0x01, ~0xFFFFFFFF, 0x00000040);
505 /* NBCFG (NBMISCIND 0x0): NB_CNTL -
506 * HIDE_NB_AGP_CAP ([0], default=1)HIDE
507 * HIDE_P2P_AGP_CAP ([1], default=1)HIDE
508 * HIDE_NB_GART_BAR ([2], default=1)HIDE
509 * AGPMODE30 ([4], default=0)DISABLE
510 * AGP30ENCHANCED ([5], default=0)DISABLE
511 * HIDE_AGP_CAP ([8], default=1)ENABLE */
512 set_nbmisc_enable_bits(nb_dev, 0x00, ~0xFFFF0000, 0x00000506); /* set bit 10 for MSI */
514 /* NBMISCIND:0x6A[16]= 1 SB link can get a full swing
515 * set_nbmisc_enable_bits(nb_dev, 0x6A, 0ffffffffh, 000010000);
516 * NBMISCIND:0x6A[17]=1 Set CMGOOD_OVERRIDE. */
517 set_nbmisc_enable_bits(nb_dev, 0x6A, ~0xffffffff, 0x00020000);
519 /* NBMISIND:0x40 Bit[8]=1 and Bit[10]=1 following bits are required to set in order to allow LVDS or PWM features to work. */
520 set_nbmisc_enable_bits(nb_dev, 0x40, ~0xffffffff, 0x00000500);
522 /* NBMISIND:0xC Bit[13]=1 Enable GSM mode for C1e or C3 with pop-up. */
523 set_nbmisc_enable_bits(nb_dev, 0x0C, ~0xffffffff, 0x00002000);
525 /* Set NBMISIND:0x1F[3] to map NB F2 interrupt pin to INTB# */
526 set_nbmisc_enable_bits(nb_dev, 0x1F, ~0xffffffff, 0x00000008);
529 * Enable access to DEV8
530 * Enable setPower message for all ports
532 set_nbmisc_enable_bits(nb_dev, 0x00, 1 << 6, 1 << 6);
533 set_nbmisc_enable_bits(nb_dev, 0x0b, 1 << 20, 1 << 20);
534 set_nbmisc_enable_bits(nb_dev, 0x51, 1 << 20, 1 << 20);
535 set_nbmisc_enable_bits(nb_dev, 0x53, 1 << 20, 1 << 20);
536 set_nbmisc_enable_bits(nb_dev, 0x55, 1 << 20, 1 << 20);
537 set_nbmisc_enable_bits(nb_dev, 0x57, 1 << 20, 1 << 20);
538 set_nbmisc_enable_bits(nb_dev, 0x59, 1 << 20, 1 << 20);
539 set_nbmisc_enable_bits(nb_dev, 0x5B, 1 << 20, 1 << 20);
540 set_nbmisc_enable_bits(nb_dev, 0x5D, 1 << 20, 1 << 20);
541 set_nbmisc_enable_bits(nb_dev, 0x5F, 1 << 20, 1 << 20);
543 set_nbmisc_enable_bits(nb_dev, 0x00, 1 << 7, 1 << 7);
544 set_nbmisc_enable_bits(nb_dev, 0x07, 0x000000f0, 0x30);
546 set_nbmisc_enable_bits(nb_dev, 0x01, 0xFFFFFFFF, 0x48);
547 /* Disable bus-master trigger event from SB and Enable set_slot_power message to SB */
548 set_nbmisc_enable_bits(nb_dev, 0x0B, 0xffffffff, 0x500180);
551 /*****************************************
552 * Some setting is from rpr. Some is from CIMx.
553 *****************************************/
554 static void rs780_por_htiu_index_init(device_t nb_dev)
556 #if 0 /* get from rpr. */
557 set_htiu_enable_bits(nb_dev, 0x1C, 0x1<<17, 0x1<<17);
558 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<0, 0x0<<0);
559 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<1, 0x1<<1);
560 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<9, 0x1<<9);
561 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<13, 0x1<<13);
562 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<17, 0x1<<17);
563 set_htiu_enable_bits(nb_dev, 0x06, 0x3<<15, 0x3<<15);
564 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<25, 0x1<<25);
565 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<30, 0x1<<30);
567 set_htiu_enable_bits(nb_dev, 0x07, 0x1<<0, 0x1<<0);
568 set_htiu_enable_bits(nb_dev, 0x07, 0x1<<1, 0x0<<1);
569 set_htiu_enable_bits(nb_dev, 0x07, 0x1<<2, 0x0<<2);
570 set_htiu_enable_bits(nb_dev, 0x07, 0x1<<15, 0x1<<15);
572 set_htiu_enable_bits(nb_dev, 0x0C, 0x3<<0, 0x1<<0);
573 set_htiu_enable_bits(nb_dev, 0x0C, 0x3<<2, 0x2<<2);
574 set_htiu_enable_bits(nb_dev, 0x0C, 0x3<<4, 0x0<<4);
577 set_htiu_enable_bits(nb_dev, 0x2D, 0x1<<4, 0x1<<4);
578 set_htiu_enable_bits(nb_dev, 0x2D, 0x1<<6, 0x1<<6);
579 set_htiu_enable_bits(nb_dev, 0x05, 0x1<<2, 0x1<<2);
581 set_htiu_enable_bits(nb_dev, 0x1E, 0xFFFFFFFF, 0xFFFFFFFF);
582 #else /* get from CIM. It is more reliable than above. */
583 set_htiu_enable_bits(nb_dev, 0x05, (1<<10|1<<9), 1<<10 | 1<<9);
584 set_htiu_enable_bits(nb_dev, 0x06, ~0xFFFFFFFE, 0x04203A202);
586 set_htiu_enable_bits(nb_dev, 0x07, ~0xFFFFFFF9, 0x8001/* | 7 << 8 */); /* fam 10 */
588 set_htiu_enable_bits(nb_dev, 0x15, ~0xFFFFFFFF, 1<<31| 1<<30 | 1<<27);
589 set_htiu_enable_bits(nb_dev, 0x1C, ~0xFFFFFFFF, 0xFFFE0000);
591 set_htiu_enable_bits(nb_dev, 0x4B, (1<<11), 1<<11);
593 set_htiu_enable_bits(nb_dev, 0x0C, ~0xFFFFFFC0, 1<<0|1<<3);
595 set_htiu_enable_bits(nb_dev, 0x17, (1<<27|1<<1), 0x1<<1);
596 set_htiu_enable_bits(nb_dev, 0x17, 0x1 << 30, 0x1<<30);
598 set_htiu_enable_bits(nb_dev, 0x19, (0xFFFFF+(1<<31)), 0x186A0+(1<<31));
600 set_htiu_enable_bits(nb_dev, 0x16, (0x3F<<10), 0x7<<10);
602 set_htiu_enable_bits(nb_dev, 0x23, 0xFFFFFFF, 1<<28);
604 set_htiu_enable_bits(nb_dev, 0x1E, 0xFFFFFFFF, 0xFFFFFFFF);
608 /*****************************************
609 * Configure RS780 registers to power-on default RPR.
610 * POR: Power On Reset
611 * RPR: Register Programming Requirements
612 *****************************************/
613 static void rs780_por_init(device_t nb_dev)
615 printk(BIOS_INFO, "rs780_por_init\n");
616 /* ATINB_PCICFG_POR_TABLE, initialize the values for rs780 PCI Config registers */
617 rs780_por_pcicfg_init(nb_dev);
619 /* ATINB_MCIND_POR_TABLE */
620 rs780_por_mc_index_init(nb_dev);
622 /* ATINB_MISCIND_POR_TABLE */
623 rs780_por_misc_index_init(nb_dev);
625 /* ATINB_HTIUNBIND_POR_TABLE */
626 rs780_por_htiu_index_init(nb_dev);
628 /* ATINB_CLKCFG_PORT_TABLE */
629 /* rs780 A11 SB Link full swing? */
632 /* enable CFG access to Dev8, which is the SB P2P Bridge */
633 static void enable_rs780_dev8()
635 set_nbmisc_enable_bits(PCI_DEV(0, 0, 0), 0x00, 1 << 6, 1 << 6);
638 static void rs780_before_pci_init()
642 static void rs780_early_setup()
644 device_t nb_dev = PCI_DEV(0, 0, 0);
645 printk(BIOS_INFO, "rs780_early_setup()\n");
649 /* The printk(BIOS_INFO, s) below cause the system unstable. */
650 switch (get_nb_rev(nb_dev)) {
652 /* printk(BIOS_INFO, "NB Revision is A11.\n"); */
655 /* printk(BIOS_INFO, "NB Revision is A12.\n"); */
658 /* printk(BIOS_INFO, "NB Revision is A13.\n"); */
663 fam10_optimization();
667 rs780_por_init(nb_dev);