2 * This file is part of the coreboot project.
4 * Copyright (C) 2009 coresystems GmbH
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; version 2 of
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
24 #include <console/console.h>
37 static u8 variables[] = {
39 0x08, 0x48, 0x6C, // Keyboard ScanCode Set & LED Data (kState1)
40 0x0a, 0x01, 0x00, // Keyboard Shift flags (kState3)
41 0x0c, 0x80, 0x08, // Keyboard State flags (kState5)
42 0x11, 0xff, 0x06, // Make/Break Debounce #'s (debounce)
43 0x13, 0xff, 0x00, // HotKey1 ScanCode (hotKey1)
44 0x14, 0xff, 0x00, // HotKey2 ScanCode (hotKey2)
45 0x15, 0xff, 0x3f, // HotKey3 ScanCode (hotKey3)
46 0x16, 0xff, 0x00, // HotKey4 ScanCode (hotKey4)
47 0x17, 0xff, 0x00, // HotKey5 ScanCode (hotKey5)
48 0x18, 0xff, 0x0e, // HotKey6 ScanCode (hotKey6)
49 0x19, 0xff, 0x9f, // HotKey1 Task = c5 Command Data (keyTsk1)
50 0x1a, 0xff, 0x9f, // HotKey2 Task = c5 Command Data (keyTsk2)
51 0x1b, 0xff, 0x6a, // HotKey3 Task = c5 Command Data (keyTsk3)
52 0x1c, 0xff, 0x9f, // HotKey4 Task = c5 Command Data (keyTsk4)
53 0x1d, 0xff, 0x9f, // HotKey5 Task = c5 Command Data (keyTsk5)
54 0x1e, 0xff, 0x87, // FuncKey Task = c5 Command Data (funcTsk)
55 0x1f, 0xff, 0x9f, // Delayed Task = c5 Command Data (dlyTsk1)
56 0x20, 0xff, 0x9f, // Wake-Up Task = c5 Command Data (wakeTsk)
58 0x21, 0xff, 0x08, // WigglePin Pulse Width * 2.4ms (tmPulse)
59 0x24, 0xff, 0x30, // Keyboard State Flags (kState7)
62 0x2c, 0xff, 0x80, // Set Fn-Key 8
63 0x2d, 0xff, 0x02, // Set Fn-Key 9
64 0x2e, 0xff, 0x00, // Set Fn-Key 1-8 task (0 = SMI)
65 0x2f, 0xff, 0x00, // Set Fn-Key 9-12 task (1 = SCI)
68 static u8 matrix[] = {
69 0xc1,0xc0,0xd8,0xdb,0xbf,0x05,0x76,0xbf, // (0x00-0x07)
70 0xbf,0x80,0x78,0xbf,0xbf,0x07,0x88,0xc2, // (0x08-0x0f)
71 0x03,0x09,0xd9,0x16,0xbf,0x06,0x0e,0x81, // (0x10-0x17)
72 0xbf,0xbf,0xee,0xbf,0xbf,0x55,0x9a,0x89, // (0x18-0x1f)
73 0x1e,0x15,0x36,0xda,0xe8,0xbf,0x0d,0xbf, // (0x20-0x27)
74 0xbf,0xbf,0xbf,0xa3,0xbf,0x4e,0x66,0x8b, // (0x28-0x2f)
75 0x1d,0x2e,0xe6,0xe7,0xe5,0x1c,0x58,0xbf, // (0x30-0x37)
76 0x82,0xbf,0xf0,0xbf,0xbf,0x5b,0x5d,0x8c, // (0x38-0x3f)
77 0x22,0x25,0x2c,0x35,0xe1,0x1a,0x96,0xbf, // (0x40-0x47)
78 0xbf,0xbf,0xec,0xbf,0xbf,0x54,0xf1,0x8f, // (0x48-0x4f)
79 0x1b,0x2a,0x2b,0x32,0xe9,0x31,0x29,0x61, // (0x50-0x57)
80 0xbf,0xbf,0x8d,0xbf,0x86,0xc3,0x92,0x93, // (0x58-0x5f)
81 0x21,0x23,0x34,0x33,0x41,0xe0,0xbf,0xbf, // (0x60-0x67)
82 0xbf,0x85,0xeb,0xbf,0xb6,0xbf,0x91,0xbf, // (0x68-0x6f)
83 0x26,0x24,0x2d,0xe3,0xe2,0xe4,0xbf,0xbf, // (0x70-0x77)
84 0x87,0xbf,0xea,0xbf,0xbf,0x52,0x90,0x8e, // (0x78-0x7f)
87 static u8 function_ram[] = {
88 0x04,0xbd,0x0c,0xbe,0x7e,0x9a,0x8a,0xb6, // (0xc0-0xc3)
89 0x92,0x8f,0x93,0x8e,0x81,0x86,0x82,0x87, // (0xc4-0xc7)
90 0x8a,0x9a,0x8d,0x7e,0x88,0x84,0x7e,0x78, // (0xc8-0xcb)
91 0x77,0x07,0x77,0x98,0x89,0xb2,0x05,0x9b, // (0xcc-0xcf)
92 0x78,0x84,0x07,0x88,0x8a,0x7e,0x05,0xa6, // (0xd0-0xd3)
93 0x06,0xa7,0x04,0xa8,0x0c,0xa9,0x03,0xaa, // (0xd4-0xd7)
94 0x0b,0xc1,0x83,0xc0,0x0a,0xad,0x01,0xae, // (0xd8-0xdb)
95 0x09,0xaf,0x78,0xb0,0x07,0xb1,0x1a,0x61, // (0xdc-0xdf)
96 0x3b,0x69,0x42,0x72,0x4b,0x7a,0x3c,0x6b, // (0xe0-0xe3)
97 0x43,0x73,0x44,0x74,0x3d,0x6c,0x3e,0x75, // (0xe4-0xe7)
98 0x46,0x7d,0x3a,0x70,0x49,0x71,0x4a,0x94, // (0xe8-0xeb)
99 0x4c,0x79,0x4c,0x7c,0x45,0x7c,0x45,0x79, // (0xec-0xef)
100 0x4d,0x7b,0x5a,0x95,0x4c,0x7b,0x45,0x7b, // (0xf0-0xf3)
101 0x4d,0x79,0x4d,0x7c,0x4e,0x7b,0x54,0x95, // (0xf4-0xf7)
102 0x52,0x7c,0x45,0x94,0x4a,0x79,0xb3,0x95, // (0xf8-0xfb)
103 0xb4,0x7b,0xb5,0x7c,0x00,0x00,0x55,0x79, // (0xfc-0xff)
107 #define KBD_DATA 0x60
110 #define KBD_IBF (1 << 1) // 1: input buffer full (data ready for ec)
111 #define KBD_OBF (1 << 0) // 1: output buffer full (data ready for host)
113 static int send_kbd_command(u8 command)
118 while ((inb(KBD_SC) & KBD_IBF) && --timeout) {
120 if ((timeout & 0xff) == 0)
121 printk(BIOS_SPEW, ".");
124 printk(BIOS_DEBUG, "Timeout while sending command 0x%02x to EC!\n",
129 outb(command, KBD_SC);
133 static int send_kbd_data(u8 data)
138 while ((inb(KBD_SC) & KBD_IBF) && --timeout) { // wait for IBF = 0
140 if ((timeout & 0xff) == 0)
141 printk(BIOS_SPEW, ".");
144 printk(BIOS_DEBUG, "Timeout while sending data 0x%02x to EC!\n",
149 outb(data, KBD_DATA);
155 static u8 recv_kbd_data(void)
161 while (--timeout) { // Wait for OBF = 1
162 if (inb(KBD_SC) & KBD_OBF) {
166 if ((timeout & 0xff) == 0)
167 printk(BIOS_SPEW, ".");
170 printk(BIOS_DEBUG, "\nTimeout while receiving data from EC!\n");
174 data = inb(KBD_DATA);
180 static u8 m3885_get_variable(u8 index)
184 send_kbd_command(0xb8);
185 send_kbd_data(index);
186 send_kbd_command(0xbc);
187 send_kbd_command(0xff);
188 ret = recv_kbd_data();
189 printk(BIOS_SPEW, "m3885: get variable %02x = %02x\n", index, ret);
193 static void m3885_set_variable(u8 index, u8 data)
195 printk(BIOS_SPEW, "m3885: set variable %02x = %02x\n", index, data);
196 send_kbd_command(0xb8);
197 send_kbd_data(index);
198 send_kbd_command(0xbd);
202 static void m3885_set_proc_ram(u8 index, u8 data)
204 printk(BIOS_SPEW, "m3885: set procram %02x = %02x\n", index, data);
205 send_kbd_command(0xb8);
206 send_kbd_data(index);
207 send_kbd_command(0xbb);
211 static u8 m3885_get_proc_ram(u8 index)
215 send_kbd_command(0xb8);
216 send_kbd_data(index);
217 send_kbd_command(0xba);
218 // send_kbd_command(0xff);
219 ret = recv_kbd_data();
220 printk(BIOS_SPEW, "m3885: get procram %02x = %02x\n", index, ret);
224 static u8 m3885_read_port(void)
228 reg8 = m3885_get_variable(0x0c);
230 reg8 |= (4 << 4); // bank 4
231 m3885_set_variable(0x0c, reg8);
234 return m3885_get_proc_ram(0xf8);
237 void m3885_configure_multikey(void)
241 u8 kstate5_flags, offs, maxvars;
244 kstate5_flags = m3885_get_variable(0x0c);
245 m3885_set_variable(0x0c, kstate5_flags & ~(7 << 4));
247 /* Write Matrix to bank 0 */
248 for (i=0; i < ARRAY_SIZE(matrix); i++) {
249 m3885_set_proc_ram(i + 0x80, matrix[i]);
254 m3885_set_variable(0x0c, (kstate5_flags & (~(7 << 4))) | (2 << 4));
256 /* Get the number of variables */
257 maxvars = m3885_get_variable(0x00);
258 printk(BIOS_DEBUG, "M388x has %d variables in bank 2.\n", maxvars);
260 offs = m3885_get_variable(0x23);
261 if ((offs > 0xc0) || (offs < 0x80)) {
262 printk(BIOS_DEBUG, "M388x does not have a valid ram offset (0x%x)\n", offs);
264 printk(BIOS_DEBUG, "Writing Fn-Table to M388x RAM offset 0x%x\n", offs);
265 for (i=0; i < ARRAY_SIZE(function_ram); i++) {
266 m3885_set_proc_ram(i + offs, function_ram[i]);
270 printk(BIOS_DEBUG, "Could not load Function-RAM (%d).\n", maxvars);
273 // restore original bank
274 m3885_set_variable(0x0c, kstate5_flags);
275 maxvars = m3885_get_variable(0x00);
276 printk(BIOS_DEBUG, "M388x has %d variables in original bank.\n", maxvars);
277 for (i=0; i<ARRAY_SIZE(variables); i+=3) {
278 if(variables[i + 0] > maxvars)
280 reg8 = m3885_get_variable(variables[i + 0]);
281 reg8 &= ~(variables[i + 1]);
282 reg8 |= variables[i + 2]; // & ~variables[i + 1];
283 m3885_set_variable(variables[i + 0], reg8);
289 m3885_set_variable(0x0c, (kstate5_flags & ~(7 << 4)) | (1 << 4));
291 /* Set SMI# at P5.1 */
292 /* SMI Control -> p5.1 = EXTSMI# */
293 m3885_set_proc_ram(0xff, 0xc1);
295 /* Set Fn-Key Task 0 -> SMI#/SCI */
296 m3885_set_proc_ram(0x6d, 0x81);
298 /* Set Fn-Key Task 1 -> SCI */
299 m3885_set_proc_ram(0x6c, 0x80);
301 /* Number of Thermal Sensors */
302 m3885_set_proc_ram(0xf2, 0x02);
305 m3885_set_proc_ram(0xf3, 0x5d);
307 /* Thermal Polling Period */
308 m3885_set_proc_ram(0xf9, 0x0a);
311 // m3885_set_variable(0x0c, (kstate5_flags & ~(7 << 4)) | (4 << 4));
314 if (m3885_read_port() & (1 << 0))
318 m3885_set_proc_ram(0xd0, reg8); // P60SPEC
321 if (m3885_read_port() & (1 << 2))
325 m3885_set_proc_ram(0xd2, reg8); // P62SPEC
328 if (m3885_read_port() & (1 << 3))
332 m3885_set_proc_ram(0xd3, reg8); // P63SPEC
334 /* Low Active Port */
335 m3885_set_proc_ram(0xd1, 0x88); // P61SPEC
336 m3885_set_proc_ram(0xd6, 0x88); // P66SPEC
337 m3885_set_proc_ram(0xd7, 0x88); // P67SPEC
339 /* High Active Port */
340 m3885_set_proc_ram(0xd4, 0x98); // P64SPEC
341 m3885_set_proc_ram(0xd5, 0x98); // P65SPEC
343 /* Set P60TASK-P67TASK */
345 m3885_set_proc_ram(0xda, 0x80); // P62TASK SENSE1#
346 m3885_set_proc_ram(0xdb, 0x80); // P63TASK SENSE2#
347 m3885_set_proc_ram(0xdd, 0x80); // P65TASK PROCHOT
348 m3885_set_proc_ram(0xde, 0x80); // P65TASK THERMTRIP#
349 m3885_set_proc_ram(0xdf, 0x80); // P65TASK PME#
351 m3885_set_proc_ram(0xd8, 0x81); // P60TASK, AC_PRESN#
352 m3885_set_proc_ram(0xd9, 0x81); // P61TASK, LID#
353 m3885_set_proc_ram(0xdc, 0x81); // P64TASK, FDD/LPT#
357 m3885_set_variable(0x0c, (kstate5_flags & ~(7 << 4)) | (5 << 4));
359 /* Thermal 0: Active cooling, Speed Step Down */
360 m3885_set_proc_ram(0x81, 0x9c); // THRM0
361 m3885_set_proc_ram(0x82, 0x01); // THRM0 CMD
362 m3885_set_proc_ram(0x84, TH0LOW); // THRM0 LOW
363 m3885_set_proc_ram(0x85, TH0HIGH); // THRM0 HIGH
364 m3885_set_proc_ram(0x86, 0x81); // Set Task SMI#/SCI
365 m3885_set_proc_ram(0x87, TH0CRIT); // THRM0 CRIT
367 /* Thermal 1: Passive cooling, Fan On */
368 m3885_set_proc_ram(0x89, 0x9c); // THRM1
369 m3885_set_proc_ram(0x8a, 0x01); // THRM1 CMD
370 m3885_set_proc_ram(0x8c, TH1LOW); // THRM1 LOW
371 m3885_set_proc_ram(0x8d, TH1HIGH); // THRM1 HIGH
372 m3885_set_proc_ram(0x8e, 0x81); // Set Task SMI#/SCI
374 /* Switch Task to SMI */
375 udelay(100 * 1000); // 100ms
377 udelay(100 * 1000); // 100ms
378 outb(KBD_DATA, 0x17);
380 /* Set P22 to high level, keyboard backlight default off */
381 udelay(100 * 1000); // 100ms
383 udelay(100 * 1000); // 100ms
384 outb(KBD_DATA, 0x4a);
387 u8 m3885_gpio(u8 value)
393 /* First write data */
394 ec_write(M3885_CMDAT1, value);
396 /* Issue command: ACCESS GPIO */
397 ec_write(M3885_CMCMD, 0xc5);
400 /* CMCMD is 0 when the command is completed */
402 while (ec_read(M3885_CMCMD) && --timeout) {
404 printk(BIOS_DEBUG, ".");
407 printk(BIOS_DEBUG, "\nTimeout while waiting for M3885 command!\n");
410 /* If it was a read function: Pin state */
411 return ec_read(M3885_CMDAT1);