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 #ifndef CONFIG_NORTHBRIDGE_AMD_AMDFAM10
21 #define CONFIG_NORTHBRIDGE_AMD_AMDFAM10 0
24 #include "rs780_rev.h"
26 #define NBHTIU_INDEX 0x94 /* Note: It is different with RS690, whose HTIU index is 0xA8 */
27 #define NBMISC_INDEX 0x60
28 #define NBMC_INDEX 0xE8
30 static u32 nb_read_index(device_t dev, u32 index_reg, u32 index)
32 pci_write_config32(dev, index_reg, index);
33 return pci_read_config32(dev, index_reg + 0x4);
36 static void nb_write_index(device_t dev, u32 index_reg, u32 index, u32 data)
38 pci_write_config32(dev, index_reg, index /* | 0x80 */ );
39 pci_write_config32(dev, index_reg + 0x4, data);
42 static u32 nbmisc_read_index(device_t nb_dev, u32 index)
44 return nb_read_index((nb_dev), NBMISC_INDEX, (index));
47 static void nbmisc_write_index(device_t nb_dev, u32 index, u32 data)
49 nb_write_index((nb_dev), NBMISC_INDEX, ((index) | 0x80), (data));
52 static u32 htiu_read_index(device_t nb_dev, u32 index)
54 return nb_read_index((nb_dev), NBHTIU_INDEX, (index));
57 static void htiu_write_index(device_t nb_dev, u32 index, u32 data)
59 nb_write_index((nb_dev), NBHTIU_INDEX, ((index) | 0x100), (data));
62 static u32 nbmc_read_index(device_t nb_dev, u32 index)
64 return nb_read_index((nb_dev), NBMC_INDEX, (index));
67 static void nbmc_write_index(device_t nb_dev, u32 index, u32 data)
69 nb_write_index((nb_dev), NBMC_INDEX, ((index) | 1 << 9), (data));
72 static void set_htiu_enable_bits(device_t nb_dev, u32 reg_pos, u32 mask,
76 reg = reg_old = htiu_read_index(nb_dev, reg_pos);
80 htiu_write_index(nb_dev, reg_pos, reg);
84 static void set_nbmisc_enable_bits(device_t nb_dev, u32 reg_pos, u32 mask,
88 reg = reg_old = nbmisc_read_index(nb_dev, reg_pos);
92 nbmisc_write_index(nb_dev, reg_pos, reg);
96 static void set_nbcfg_enable_bits(device_t nb_dev, u32 reg_pos, u32 mask,
100 reg = reg_old = pci_read_config32(nb_dev, reg_pos);
103 if (reg != reg_old) {
104 pci_write_config32(nb_dev, reg_pos, reg);
107 /* family 10 only, for reg > 0xFF */
108 #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1
109 static void set_fam10_ext_cfg_enable_bits(device_t fam10_dev, u32 reg_pos, u32 mask,
113 reg = reg_old = Get_NB32(fam10_dev, reg_pos);
116 if (reg != reg_old) {
117 Set_NB32(fam10_dev, reg_pos, reg);
121 #define set_fam10_ext_cfg_enable_bits(a, b, c, d) do {} while (0)
125 static void set_nbcfg_enable_bits_8(device_t nb_dev, u32 reg_pos, u8 mask,
129 reg = reg_old = pci_read_config8(nb_dev, reg_pos);
132 if (reg != reg_old) {
133 pci_write_config8(nb_dev, reg_pos, reg);
137 static void set_nbmc_enable_bits(device_t nb_dev, u32 reg_pos, u32 mask,
141 reg = reg_old = nbmc_read_index(nb_dev, reg_pos);
144 if (reg != reg_old) {
145 nbmc_write_index(nb_dev, reg_pos, reg);
149 static void get_cpu_rev(void)
154 printk(BIOS_INFO, "get_cpu_rev EAX=0x%x.\n", eax);
156 printk(BIOS_INFO, "CPU Rev is K8_Cx.\n");
157 else if (eax <= 0x10fff)
158 printk(BIOS_INFO, "CPU Rev is K8_Dx.\n");
159 else if (eax <= 0x20fff)
160 printk(BIOS_INFO, "CPU Rev is K8_Ex.\n");
161 else if (eax <= 0x40fff)
162 printk(BIOS_INFO, "CPU Rev is K8_Fx.\n");
163 else if (eax == 0x60fb1 || eax == 0x60f81) /*These two IDS are exception, they are G1. */
164 printk(BIOS_INFO, "CPU Rev is K8_G1.\n");
165 else if (eax <= 0X60FF0)
166 printk(BIOS_INFO, "CPU Rev is K8_G0.\n");
167 else if (eax <= 0x100000)
168 printk(BIOS_INFO, "CPU Rev is K8_G1.\n");
169 else if (eax <= 0x100f00)
170 printk(BIOS_INFO, "CPU Rev is Fam 10.\n");
172 printk(BIOS_INFO, "CPU Rev is K8_10.\n");
175 static u8 is_famly10(void)
177 return (cpuid_eax(1) & 0xff00000) != 0;
180 static u8 l3_cache(void)
182 return (cpuid_edx(0x80000006) & (0x3FFF << 18)) != 0;
185 static u8 cpu_core_number(void)
187 return (cpuid_ecx(0x80000008) & 0xFF) + 1;
190 static u8 get_nb_rev(device_t nb_dev)
193 reg = pci_read_config8(nb_dev, 0x89); /* copy from CIM, can't find in doc */
209 /*****************************************
210 * Init HT link speed/width for rs780 -- k8 link
211 * 1: Check CPU Family, Family10?
212 * 2: Get CPU's HT speed and width
213 * 3: Decide HT mode 1 or 3 by HT Speed. >1GHz: HT3, else HT1
214 *****************************************/
215 static const u8 rs780_ibias[] = {
216 /* 1, 3 are reserved. */
217 [0x0] = 0x4C, /* 200Mhz HyperTransport 1 only */
218 [0x2] = 0x4C, /* 400Mhz HyperTransport 1 only */
219 [0x4] = 0xB6, /* 600Mhz HyperTransport 1 only */
220 [0x5] = 0x4C, /* 800Mhz HyperTransport 1 only */
221 [0x6] = 0x9D, /* 1Ghz HyperTransport 1 only */
222 /* HT3 for Family 10 */
223 [0x7] = 0xB6, /* 1.2Ghz HyperTransport 3 only */
224 [0x8] = 0x2B, /* 1.4Ghz HyperTransport 3 only */
225 [0x9] = 0x4C, /* 1.6Ghz HyperTransport 3 only */
226 [0xa] = 0x6C, /* 1.8Ghz HyperTransport 3 only */
227 [0xb] = 0x9D, /* 2.0Ghz HyperTransport 3 only */
228 [0xc] = 0xAD, /* 2.2Ghz HyperTransport 3 only */
229 [0xd] = 0xB6, /* 2.4Ghz HyperTransport 3 only */
230 [0xe] = 0xC6, /* 2.6Ghz HyperTransport 3 only */
233 static void rs780_htinit(void)
236 * About HT, it has been done in enumerate_ht_chain().
238 device_t cpu_f0, rs780_f0, clk_f1;
240 u8 cpu_ht_freq, ibias;
242 cpu_f0 = PCI_DEV(0, 0x18, 0);
243 /************************
244 * get cpu's ht freq, in cpu's function 0, offset 0x88
245 * bit11-8, specifics the maximum operation frequency of the link's transmitter clock.
246 * The link frequency field (Frq) is cleared by cold reset. SW can write a nonzero
247 * value to this reg, and that value takes effect on the next warm reset or
248 * LDTSTOP_L disconnect sequence.
249 * please see the table rs780_ibias about the value and its corresponding frequency.
250 ************************/
251 reg = pci_read_config32(cpu_f0, 0x88);
252 cpu_ht_freq = (reg & 0xf00) >> 8;
253 printk(BIOS_INFO, "rs780_htinit cpu_ht_freq=%x.\n", cpu_ht_freq);
254 rs780_f0 = PCI_DEV(0, 0, 0);
255 //set_nbcfg_enable_bits(rs780_f0, 0xC8, 0x7<<24 | 0x7<<28, 1<<24 | 1<<28);
257 clk_f1 = PCI_DEV(0, 0, 1); /* We need to make sure the F1 is accessible. */
259 ibias = rs780_ibias[cpu_ht_freq];
261 /* If HT freq>1GHz, we assume the CPU is fam10, else it is K8.
263 * Frequency is 1GHz, i.e. cpu_ht_freq is 6, in most cases.
264 * So we check 6 only, it would be faster. */
265 if ((cpu_ht_freq == 0x6) || (cpu_ht_freq == 0x5) || (cpu_ht_freq == 0x4) ||
266 (cpu_ht_freq == 0x2) || (cpu_ht_freq == 0x0)) {
267 printk(BIOS_INFO, "rs780_htinit: HT1 mode\n");
269 /* HT1 mode, RPR 8.4.2 */
271 set_nbcfg_enable_bits(clk_f1, 0xD8, 0x3FF, ibias);
272 /* Optimizes chipset HT transmitter drive strength */
273 set_htiu_enable_bits(rs780_f0, 0x2A, 0x3, 0x1);
274 } else if ((cpu_ht_freq > 0x6) && (cpu_ht_freq < 0xf)) {
275 printk(BIOS_INFO, "rs780_htinit: HT3 mode\n");
277 #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 /* save some spaces */
278 /* HT3 mode, RPR 8.4.3 */
279 set_nbcfg_enable_bits(rs780_f0, 0x9c, 0x3 << 16, 0);
282 set_nbcfg_enable_bits(clk_f1, 0xD8, 0x3FF, ibias);
283 /* Optimizes chipset HT transmitter drive strength */
284 set_htiu_enable_bits(rs780_f0, 0x2A, 0x3, 0x1);
285 /* Enables error-retry mode */
286 set_nbcfg_enable_bits(rs780_f0, 0x44, 0x1, 0x1);
287 /* Enables scrambling and Disalbes command throttling */
288 set_nbcfg_enable_bits(rs780_f0, 0xac, (1 << 3) | (1 << 14), (1 << 3) | (1 << 14));
289 /* Enables transmitter de-emphasis */
290 set_nbcfg_enable_bits(rs780_f0, 0xa4, 1 << 31, 1 << 31);
291 /* Enabels transmitter de-emphasis level */
292 /* Sets training 0 time */
293 set_nbcfg_enable_bits(rs780_f0, 0xa0, 0x3F, 0x14);
295 /* Enables strict TM4 detection */
296 set_htiu_enable_bits(rs780_f0, 0x15, 0x1 << 22, 0x1 << 22);
297 /* Enables proprer DLL reset sequence */
298 set_htiu_enable_bits(rs780_f0, 0x16, 0x1 << 10, 0x1 << 10);
300 /* HyperTransport 3 Processor register settings to be done in northbridge */
301 /* Enables error-retry mode */
302 set_fam10_ext_cfg_enable_bits(cpu_f0, 0x130, 1 << 0, 1 << 0);
303 /* Enables scrambling */
304 set_fam10_ext_cfg_enable_bits(cpu_f0, 0x170, 1 << 3, 1 << 3);
305 /* Enables transmitter de-emphasis
306 * This depends on the PCB design and the trace */
308 /* Disables command throttling */
309 set_fam10_ext_cfg_enable_bits(cpu_f0, 0x168, 1 << 10, 1 << 10);
310 /* Sets Training 0 Time. See T0Time table for encodings */
311 set_fam10_ext_cfg_enable_bits(cpu_f0, 0x16C, 0x3F, 0x20);
313 #endif /* #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 */
317 #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 != 1 /* save some spaces */
318 /*******************************************************
319 * Optimize k8 with UMA.
320 * See BKDG_NPT_0F guide for details.
321 * The processor node is addressed by its Node ID on the HT link and can be
322 * accessed with a device number in the PCI configuration space on Bus0.
323 * The Node ID 0 is mapped to Device 24 (0x18), the Node ID 1 is mapped
324 * to Device 25, and so on.
325 * The processor implements configuration registers in PCI configuration
326 * space using the following four headers
327 * Function0: HT technology configuration
328 * Function1: Address map configuration
329 * Function2: DRAM and HT technology Trace mode configuration
330 * Function3: Miscellaneous configuration
331 *******************************************************/
332 static void k8_optimization(void)
334 device_t k8_f0, k8_f2, k8_f3;
337 printk(BIOS_INFO, "k8_optimization()\n");
338 k8_f0 = PCI_DEV(0, 0x18, 0);
339 k8_f2 = PCI_DEV(0, 0x18, 2);
340 k8_f3 = PCI_DEV(0, 0x18, 3);
342 /* 8.6.6 K8 Buffer Allocation Settings */
343 pci_write_config32(k8_f0, 0x90, 0x01700169); /* CIM NPT_Optimization */
344 set_nbcfg_enable_bits(k8_f0, 0x68, 1 << 28, 0 << 28);
345 set_nbcfg_enable_bits(k8_f0, 0x68, 3 << 26, 3 << 26);
346 set_nbcfg_enable_bits(k8_f0, 0x68, 1 << 11, 1 << 11);
347 /* set_nbcfg_enable_bits(k8_f0, 0x84, 1 << 11 | 1 << 13 | 1 << 15, 1 << 11 | 1 << 13 | 1 << 15); */ /* TODO */
349 pci_write_config32(k8_f3, 0x70, 0x51220111);
350 pci_write_config32(k8_f3, 0x74, 0x50404021);
351 pci_write_config32(k8_f3, 0x78, 0x08002A00);
352 if (pci_read_config32(k8_f3, 0xE8) & 0x3<<12)
353 pci_write_config32(k8_f3, 0x7C, 0x0000211A); /* dual core */
355 pci_write_config32(k8_f3, 0x7C, 0x0000212B); /* single core */
356 set_nbcfg_enable_bits_8(k8_f3, 0xDC, 0xFF, 0x25);
358 set_nbcfg_enable_bits(k8_f2, 0xA0, 1 << 5, 1 << 5);
359 set_nbcfg_enable_bits(k8_f2, 0x94, 0xF << 24, 7 << 24);
360 set_nbcfg_enable_bits(k8_f2, 0x90, 1 << 10, 0 << 10);
361 set_nbcfg_enable_bits(k8_f2, 0xA0, 3 << 2, 3 << 2);
362 set_nbcfg_enable_bits(k8_f2, 0xA0, 1 << 5, 1 << 5);
364 msr = rdmsr(0xC001001F);
367 wrmsr(0xC001001F, msr);
370 #define k8_optimization() do{}while(0)
371 #endif /* #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 != 1 */
373 #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 /* save some spaces */
374 static void fam10_optimization(void)
376 device_t cpu_f0, cpu_f2, cpu_f3;
379 printk(BIOS_INFO, "fam10_optimization()\n");
381 cpu_f0 = PCI_DEV(0, 0x18, 0);
382 cpu_f2 = PCI_DEV(0, 0x18, 2);
383 cpu_f3 = PCI_DEV(0, 0x18, 3);
387 pci_write_config32(cpu_f0, 0x90, 0x808502D0);
389 pci_write_config32(cpu_f0, 0x94, 0x00000000);
392 val = pci_read_config32(cpu_f0, 0x68);
394 pci_write_config32(cpu_f0, 0x68, val);
397 val = pci_read_config32(cpu_f0, 0x84);
399 pci_write_config32(cpu_f0, 0x84, val);
402 val = pci_read_config32(cpu_f2, 0x90);
404 pci_write_config32(cpu_f2, 0x90, val);
407 pci_write_config32(cpu_f3, 0x6C, 0x60018051);
409 pci_write_config32(cpu_f3, 0x70, 0x60321151);
411 pci_write_config32(cpu_f3, 0x74, 0x00980101);
413 pci_write_config32(cpu_f3, 0x78, 0x00200C14);
415 pci_write_config32(cpu_f3, 0x7C, 0x00070811); /* TODO: Check if L3 Cache is enabled. */
418 Set_NB32(cpu_f3, 0x140, 0x00D33656);
420 Set_NB32(cpu_f3, 0x144, 0x00000036);
422 Set_NB32(cpu_f3, 0x148, 0x8000832A);
424 Set_NB32(cpu_f3, 0x158, 0);
425 /* L3 Disabled: L3 Enabled: */
426 /* cores: 2 3 4 2 3 4 */
427 /* bit8:4 28 26 24 24 20 16 */
429 Set_NB32(cpu_f3, 0x1A0, 4 << 12 | (24 + 2*(4-cpu_core_number())) << 4 | 2);
431 Set_NB32(cpu_f3, 0x1A0, 4 << 12 | (16 + 4*(4-cpu_core_number())) << 4 | 4);
435 #define fam10_optimization() do{}while(0)
436 #endif /* #if CONFIG_NORTHBRIDGE_AMD_AMDFAM10 == 1 */
438 /*****************************************
439 * rs780_por_pcicfg_init()
440 *****************************************/
441 static void rs780_por_pcicfg_init(device_t nb_dev)
443 /* enable PCI Memory Access */
444 set_nbcfg_enable_bits_8(nb_dev, 0x04, (u8)(~0xFD), 0x02);
445 /* Set RCRB Enable */
446 set_nbcfg_enable_bits_8(nb_dev, 0x84, (u8)(~0xFF), 0x1);
447 /* allow decode of 640k-1MB */
448 set_nbcfg_enable_bits_8(nb_dev, 0x84, (u8)(~0xEF), 0x10);
449 /* Enable PM2_CNTL(BAR2) IO mapped cfg write access to be broadcast to both NB and SB */
450 set_nbcfg_enable_bits_8(nb_dev, 0x84, (u8)(~0xFF), 0x4);
451 /* Power Management Register Enable */
452 set_nbcfg_enable_bits_8(nb_dev, 0x84, (u8)(~0xFF), 0x80);
454 /* Reg4Ch[1]=1 (APIC_ENABLE) force cpu request with address 0xFECx_xxxx to south-bridge
455 * Reg4Ch[6]=1 (BMMsgEn) enable BM_Set message generation
457 set_nbcfg_enable_bits_8(nb_dev, 0x4C, (u8)(~0x00), 0x42 | 1);
459 /* Reg4Ch[16]=1 (WakeC2En) enable Wake_from_C2 message generation.
460 * Reg4Ch[18]=1 (P4IntEnable) Enable north-bridge to accept MSI with address 0xFEEx_xxxx from south-bridge */
461 set_nbcfg_enable_bits_8(nb_dev, 0x4E, (u8)(~0xFF), 0x05);
462 /* Reg94h[4:0] = 0x0 P drive strength offset 0
463 * Reg94h[6:5] = 0x2 P drive strength additive adjust */
464 set_nbcfg_enable_bits_8(nb_dev, 0x94, (u8)(~0x80), 0x40);
466 /* Reg94h[20:16] = 0x0 N drive strength offset 0
467 * Reg94h[22:21] = 0x2 N drive strength additive adjust */
468 set_nbcfg_enable_bits_8(nb_dev, 0x96, (u8)(~0x80), 0x40);
470 /* Reg80h[4:0] = 0x0 Termination offset
471 * Reg80h[6:5] = 0x2 Termination additive adjust */
472 set_nbcfg_enable_bits_8(nb_dev, 0x80, (u8)(~0x80), 0x40);
474 /* Reg80h[14] = 0x1 Enable receiver termination control */
475 set_nbcfg_enable_bits_8(nb_dev, 0x81, (u8)(~0xFF), 0x40);
477 /* Reg94h[15] = 0x1 Enables HT transmitter advanced features to be turned on
478 * Reg94h[14] = 0x1 Enable drive strength control */
479 set_nbcfg_enable_bits_8(nb_dev, 0x95, (u8)(~0x3F), 0xC4);
481 /* Reg94h[31:29] = 0x7 Enables HT transmitter de-emphasis */
482 set_nbcfg_enable_bits_8(nb_dev, 0x97, (u8)(~0x1F), 0xE0);
484 /*Reg8Ch[10:9] = 0x3 Enables Gfx Debug BAR,
485 * force this BAR as mem type in rs780_gfx.c */
486 set_nbcfg_enable_bits_8(nb_dev, 0x8D, (u8)(~0xFF), 0x03);
489 static void rs780_por_mc_index_init(device_t nb_dev)
491 set_nbmc_enable_bits(nb_dev, 0x7A, ~0xFFFFFF80, 0x0000005F);
492 set_nbmc_enable_bits(nb_dev, 0xD8, ~0x00000000, 0x00600060);
493 set_nbmc_enable_bits(nb_dev, 0xD9, ~0x00000000, 0x00600060);
494 set_nbmc_enable_bits(nb_dev, 0xE0, ~0x00000000, 0x00000000);
495 set_nbmc_enable_bits(nb_dev, 0xE1, ~0x00000000, 0x00000000);
496 set_nbmc_enable_bits(nb_dev, 0xE8, ~0x00000000, 0x003E003E);
497 set_nbmc_enable_bits(nb_dev, 0xE9, ~0x00000000, 0x003E003E);
500 static void rs780_por_misc_index_init(device_t nb_dev)
502 /* NB_MISC_IND_WR_EN + IOC_PCIE_CNTL
503 * Block non-snoop DMA request if PMArbDis is set.
505 set_nbmisc_enable_bits(nb_dev, 0x0B, ~0xFFFF0000, 0x00000180);
506 set_nbmisc_enable_bits(nb_dev, 0x01, ~0xFFFFFFFF, 0x00000040);
508 /* NBCFG (NBMISCIND 0x0): NB_CNTL -
509 * HIDE_NB_AGP_CAP ([0], default=1)HIDE
510 * HIDE_P2P_AGP_CAP ([1], default=1)HIDE
511 * HIDE_NB_GART_BAR ([2], default=1)HIDE
512 * AGPMODE30 ([4], default=0)DISABLE
513 * AGP30ENCHANCED ([5], default=0)DISABLE
514 * HIDE_AGP_CAP ([8], default=1)ENABLE */
515 set_nbmisc_enable_bits(nb_dev, 0x00, ~0xFFFF0000, 0x00000506); /* set bit 10 for MSI */
517 /* NBMISCIND:0x6A[16]= 1 SB link can get a full swing
518 * set_nbmisc_enable_bits(nb_dev, 0x6A, 0ffffffffh, 000010000);
519 * NBMISCIND:0x6A[17]=1 Set CMGOOD_OVERRIDE. */
520 set_nbmisc_enable_bits(nb_dev, 0x6A, ~0xffffffff, 0x00020000);
522 /* 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. */
523 set_nbmisc_enable_bits(nb_dev, 0x40, ~0xffffffff, 0x00000500);
525 /* NBMISIND:0xC Bit[13]=1 Enable GSM mode for C1e or C3 with pop-up. */
526 set_nbmisc_enable_bits(nb_dev, 0x0C, ~0xffffffff, 0x00002000);
528 /* Set NBMISIND:0x1F[3] to map NB F2 interrupt pin to INTB# */
529 set_nbmisc_enable_bits(nb_dev, 0x1F, ~0xffffffff, 0x00000008);
532 * Enable access to DEV8
533 * Enable setPower message for all ports
535 set_nbmisc_enable_bits(nb_dev, 0x00, 1 << 6, 1 << 6);
536 set_nbmisc_enable_bits(nb_dev, 0x0b, 1 << 20, 1 << 20);
537 set_nbmisc_enable_bits(nb_dev, 0x51, 1 << 20, 1 << 20);
538 set_nbmisc_enable_bits(nb_dev, 0x53, 1 << 20, 1 << 20);
539 set_nbmisc_enable_bits(nb_dev, 0x55, 1 << 20, 1 << 20);
540 set_nbmisc_enable_bits(nb_dev, 0x57, 1 << 20, 1 << 20);
541 set_nbmisc_enable_bits(nb_dev, 0x59, 1 << 20, 1 << 20);
542 set_nbmisc_enable_bits(nb_dev, 0x5B, 1 << 20, 1 << 20);
543 set_nbmisc_enable_bits(nb_dev, 0x5D, 1 << 20, 1 << 20);
544 set_nbmisc_enable_bits(nb_dev, 0x5F, 1 << 20, 1 << 20);
546 set_nbmisc_enable_bits(nb_dev, 0x00, 1 << 7, 1 << 7);
547 set_nbmisc_enable_bits(nb_dev, 0x07, 0x000000f0, 0x30);
549 set_nbmisc_enable_bits(nb_dev, 0x01, 0xFFFFFFFF, 0x48);
550 /* Disable bus-master trigger event from SB and Enable set_slot_power message to SB */
551 set_nbmisc_enable_bits(nb_dev, 0x0B, 0xffffffff, 0x500180);
554 /*****************************************
555 * Some setting is from rpr. Some is from CIMx.
556 *****************************************/
557 static void rs780_por_htiu_index_init(device_t nb_dev)
559 #if 0 /* get from rpr. */
560 set_htiu_enable_bits(nb_dev, 0x1C, 0x1<<17, 0x1<<17);
561 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<0, 0x0<<0);
562 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<1, 0x1<<1);
563 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<9, 0x1<<9);
564 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<13, 0x1<<13);
565 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<17, 0x1<<17);
566 set_htiu_enable_bits(nb_dev, 0x06, 0x3<<15, 0x3<<15);
567 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<25, 0x1<<25);
568 set_htiu_enable_bits(nb_dev, 0x06, 0x1<<30, 0x1<<30);
570 set_htiu_enable_bits(nb_dev, 0x07, 0x1<<0, 0x1<<0);
571 set_htiu_enable_bits(nb_dev, 0x07, 0x1<<1, 0x0<<1);
572 set_htiu_enable_bits(nb_dev, 0x07, 0x1<<2, 0x0<<2);
573 set_htiu_enable_bits(nb_dev, 0x07, 0x1<<15, 0x1<<15);
575 set_htiu_enable_bits(nb_dev, 0x0C, 0x3<<0, 0x1<<0);
576 set_htiu_enable_bits(nb_dev, 0x0C, 0x3<<2, 0x2<<2);
577 set_htiu_enable_bits(nb_dev, 0x0C, 0x3<<4, 0x0<<4);
580 set_htiu_enable_bits(nb_dev, 0x2D, 0x1<<4, 0x1<<4);
581 set_htiu_enable_bits(nb_dev, 0x2D, 0x1<<6, 0x1<<6);
582 set_htiu_enable_bits(nb_dev, 0x05, 0x1<<2, 0x1<<2);
584 set_htiu_enable_bits(nb_dev, 0x1E, 0xFFFFFFFF, 0xFFFFFFFF);
585 #else /* get from CIM. It is more reliable than above. */
586 set_htiu_enable_bits(nb_dev, 0x05, (1<<10|1<<9), 1<<10 | 1<<9);
587 set_htiu_enable_bits(nb_dev, 0x06, ~0xFFFFFFFE, 0x04203A202);
589 set_htiu_enable_bits(nb_dev, 0x07, ~0xFFFFFFF9, 0x8001/* | 7 << 8 */); /* fam 10 */
591 set_htiu_enable_bits(nb_dev, 0x15, ~0xFFFFFFFF, 1<<31| 1<<30 | 1<<27);
592 set_htiu_enable_bits(nb_dev, 0x1C, ~0xFFFFFFFF, 0xFFFE0000);
594 set_htiu_enable_bits(nb_dev, 0x4B, (1<<11), 1<<11);
596 set_htiu_enable_bits(nb_dev, 0x0C, ~0xFFFFFFC0, 1<<0|1<<3);
598 set_htiu_enable_bits(nb_dev, 0x17, (1<<27|1<<1), 0x1<<1);
599 set_htiu_enable_bits(nb_dev, 0x17, 0x1 << 30, 0x1<<30);
601 set_htiu_enable_bits(nb_dev, 0x19, (0xFFFFF+(1<<31)), 0x186A0+(1<<31));
603 set_htiu_enable_bits(nb_dev, 0x16, (0x3F<<10), 0x7<<10);
605 set_htiu_enable_bits(nb_dev, 0x23, 0xFFFFFFF, 1<<28);
607 set_htiu_enable_bits(nb_dev, 0x1E, 0xFFFFFFFF, 0xFFFFFFFF);
611 /*****************************************
612 * Configure RS780 registers to power-on default RPR.
613 * POR: Power On Reset
614 * RPR: Register Programming Requirements
615 *****************************************/
616 static void rs780_por_init(device_t nb_dev)
618 printk(BIOS_INFO, "rs780_por_init\n");
619 /* ATINB_PCICFG_POR_TABLE, initialize the values for rs780 PCI Config registers */
620 rs780_por_pcicfg_init(nb_dev);
622 /* ATINB_MCIND_POR_TABLE */
623 rs780_por_mc_index_init(nb_dev);
625 /* ATINB_MISCIND_POR_TABLE */
626 rs780_por_misc_index_init(nb_dev);
628 /* ATINB_HTIUNBIND_POR_TABLE */
629 rs780_por_htiu_index_init(nb_dev);
631 /* ATINB_CLKCFG_PORT_TABLE */
632 /* rs780 A11 SB Link full swing? */
635 /* enable CFG access to Dev8, which is the SB P2P Bridge */
636 static void enable_rs780_dev8(void)
638 set_nbmisc_enable_bits(PCI_DEV(0, 0, 0), 0x00, 1 << 6, 1 << 6);
641 static void rs780_before_pci_init(void)
645 static void rs780_early_setup(void)
647 device_t nb_dev = PCI_DEV(0, 0, 0);
648 printk(BIOS_INFO, "rs780_early_setup()\n");
652 /* The printk(BIOS_INFO, s) below cause the system unstable. */
653 switch (get_nb_rev(nb_dev)) {
655 /* printk(BIOS_INFO, "NB Revision is A11.\n"); */
658 /* printk(BIOS_INFO, "NB Revision is A12.\n"); */
661 /* printk(BIOS_INFO, "NB Revision is A13.\n"); */
666 fam10_optimization();
670 rs780_por_init(nb_dev);