/* * This file is part of the coreboot project. * * Copyright (C) 2009 coresystems GmbH * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; version 2 of * the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <types.h> #include <stdlib.h> #include <console/console.h> #include <arch/io.h> #include <delay.h> #include <ec/acpi/ec.h> #include "m3885.h" #define TH0LOW 80 #define TH0HIGH 85 #define TH0CRIT 120 #define TH1LOW 75 #define TH1HIGH 80 static u8 variables[] = { /* Offs, AND, OR */ 0x08, 0x48, 0x6C, /* Keyboard ScanCode Set & LED Data (kState1) */ 0x0a, 0x01, 0x00, /* Keyboard Shift flags (kState3) */ 0x0c, 0x80, 0x08, /* Keyboard State flags (kState5) */ 0x11, 0xff, 0x06, /* Make/Break Debounce #'s (debounce) */ 0x13, 0xff, 0x00, /* HotKey1 ScanCode (hotKey1) */ 0x14, 0xff, 0x00, /* HotKey2 ScanCode (hotKey2) */ 0x15, 0xff, 0x3f, /* HotKey3 ScanCode (hotKey3) */ 0x16, 0xff, 0x00, /* HotKey4 ScanCode (hotKey4) */ 0x17, 0xff, 0x00, /* HotKey5 ScanCode (hotKey5) */ 0x18, 0xff, 0x0e, /* HotKey6 ScanCode (hotKey6) */ 0x19, 0xff, 0x9f, /* HotKey1 Task = c5 Command Data (keyTsk1) */ 0x1a, 0xff, 0x9f, /* HotKey2 Task = c5 Command Data (keyTsk2) */ 0x1b, 0xff, 0x6a, /* HotKey3 Task = c5 Command Data (keyTsk3) */ 0x1c, 0xff, 0x9f, /* HotKey4 Task = c5 Command Data (keyTsk4) */ 0x1d, 0xff, 0x9f, /* HotKey5 Task = c5 Command Data (keyTsk5) */ 0x1e, 0xff, 0x87, /* FuncKey Task = c5 Command Data (funcTsk) */ 0x1f, 0xff, 0x9f, /* Delayed Task = c5 Command Data (dlyTsk1) */ 0x20, 0xff, 0x9f, /* Wake-Up Task = c5 Command Data (wakeTsk) */ 0x21, 0xff, 0x08, /* WigglePin Pulse Width * 2.4ms (tmPulse) */ 0x24, 0xff, 0x30, /* Keyboard State Flags (kState7) */ 0x2b, 0xff, 0x00, 0x2c, 0xff, 0x80, /* Set Fn-Key 8 */ 0x2d, 0xff, 0x02, /* Set Fn-Key 9 */ 0x2e, 0xff, 0x00, /* Set Fn-Key 1-8 task (0 = SMI) */ 0x2f, 0xff, 0x00, /* Set Fn-Key 9-12 task (1 = SCI) */ }; static u8 matrix[] = { 0xc1,0xc0,0xd8,0xdb,0xbf,0x05,0x76,0xbf, /* (0x00-0x07) */ 0xbf,0x80,0x78,0xbf,0xbf,0x07,0x88,0xc2, /* (0x08-0x0f) */ 0x03,0x09,0xd9,0x16,0xbf,0x06,0x0e,0x81, /* (0x10-0x17) */ 0xbf,0xbf,0xee,0xbf,0xbf,0x55,0x9a,0x89, /* (0x18-0x1f) */ 0x1e,0x15,0x36,0xda,0xe8,0xbf,0x0d,0xbf, /* (0x20-0x27) */ 0xbf,0xbf,0xbf,0xa3,0xbf,0x4e,0x66,0x8b, /* (0x28-0x2f) */ 0x1d,0x2e,0xe6,0xe7,0xe5,0x1c,0x58,0xbf, /* (0x30-0x37) */ 0x82,0xbf,0xf0,0xbf,0xbf,0x5b,0x5d,0x8c, /* (0x38-0x3f) */ 0x22,0x25,0x2c,0x35,0xe1,0x1a,0x96,0xbf, /* (0x40-0x47) */ 0xbf,0xbf,0xec,0xbf,0xbf,0x54,0xf1,0x8f, /* (0x48-0x4f) */ 0x1b,0x2a,0x2b,0x32,0xe9,0x31,0x29,0x61, /* (0x50-0x57) */ 0xbf,0xbf,0x8d,0xbf,0x86,0xc3,0x92,0x93, /* (0x58-0x5f) */ 0x21,0x23,0x34,0x33,0x41,0xe0,0xbf,0xbf, /* (0x60-0x67) */ 0xbf,0x85,0xeb,0xbf,0xb6,0xbf,0x91,0xbf, /* (0x68-0x6f) */ 0x26,0x24,0x2d,0xe3,0xe2,0xe4,0xbf,0xbf, /* (0x70-0x77) */ 0x87,0xbf,0xea,0xbf,0xbf,0x52,0x90,0x8e, /* (0x78-0x7f) */ }; static u8 function_ram[] = { 0x04,0xbd,0x0c,0xbe,0x7e,0x9a,0x8a,0xb6, /* (0xc0-0xc3) */ 0x92,0x8f,0x93,0x8e,0x81,0x86,0x82,0x87, /* (0xc4-0xc7) */ 0x8a,0x9a,0x8d,0x7e,0x88,0x84,0x7e,0x78, /* (0xc8-0xcb) */ 0x77,0x07,0x77,0x98,0x89,0xb2,0x05,0x9b, /* (0xcc-0xcf) */ 0x78,0x84,0x07,0x88,0x8a,0x7e,0x05,0xa6, /* (0xd0-0xd3) */ 0x06,0xa7,0x04,0xa8,0x0c,0xa9,0x03,0xaa, /* (0xd4-0xd7) */ 0x0b,0xc1,0x83,0xc0,0x0a,0xad,0x01,0xae, /* (0xd8-0xdb) */ 0x09,0xaf,0x78,0xb0,0x07,0xb1,0x1a,0x61, /* (0xdc-0xdf) */ 0x3b,0x69,0x42,0x72,0x4b,0x7a,0x3c,0x6b, /* (0xe0-0xe3) */ 0x43,0x73,0x44,0x74,0x3d,0x6c,0x3e,0x75, /* (0xe4-0xe7) */ 0x46,0x7d,0x3a,0x70,0x49,0x71,0x4a,0x94, /* (0xe8-0xeb) */ 0x4c,0x79,0x4c,0x7c,0x45,0x7c,0x45,0x79, /* (0xec-0xef) */ 0x4d,0x7b,0x5a,0x95,0x4c,0x7b,0x45,0x7b, /* (0xf0-0xf3) */ 0x4d,0x79,0x4d,0x7c,0x4e,0x7b,0x54,0x95, /* (0xf4-0xf7) */ 0x52,0x7c,0x45,0x94,0x4a,0x79,0xb3,0x95, /* (0xf8-0xfb) */ 0xb4,0x7b,0xb5,0x7c,0x00,0x00,0x55,0x79, /* (0xfc-0xff) */ }; #define KBD_DATA 0x60 #define KBD_SC 0x64 #define KBD_IBF (1 << 1) /* 1: input buffer full (data ready for ec) */ #define KBD_OBF (1 << 0) /* 1: output buffer full (data ready for host) */ static int send_kbd_command(u8 command) { int timeout; timeout = 0x7ff; while ((inb(KBD_SC) & KBD_IBF) && --timeout) { udelay(10); if ((timeout & 0xff) == 0) printk(BIOS_SPEW, "."); } if (!timeout) { printk(BIOS_DEBUG, "Timeout while sending command 0x%02x to EC!\n", command); } outb(command, KBD_SC); return 0; } static int send_kbd_data(u8 data) { int timeout; timeout = 0x7ff; while ((inb(KBD_SC) & KBD_IBF) && --timeout) { /* wait for IBF = 0 */ udelay(10); if ((timeout & 0xff) == 0) printk(BIOS_SPEW, "."); } if (!timeout) { printk(BIOS_DEBUG, "Timeout while sending data 0x%02x to EC!\n", data); } outb(data, KBD_DATA); return 0; } static u8 recv_kbd_data(void) { int timeout; u8 data; timeout = 0x7fff; while (--timeout) { /* Wait for OBF = 1 */ if (inb(KBD_SC) & KBD_OBF) { break; } udelay(10); if ((timeout & 0xff) == 0) printk(BIOS_SPEW, "."); } if (!timeout) { printk(BIOS_DEBUG, "\nTimeout while receiving data from EC!\n"); } data = inb(KBD_DATA); return data; } static u8 m3885_get_variable(u8 index) { u8 ret; send_kbd_command(0xb8); send_kbd_data(index); send_kbd_command(0xbc); send_kbd_command(0xff); ret = recv_kbd_data(); printk(BIOS_SPEW, "m3885: get variable %02x = %02x\n", index, ret); return ret; } static void m3885_set_variable(u8 index, u8 data) { printk(BIOS_SPEW, "m3885: set variable %02x = %02x\n", index, data); send_kbd_command(0xb8); send_kbd_data(index); send_kbd_command(0xbd); send_kbd_data(data); } static void m3885_set_proc_ram(u8 index, u8 data) { printk(BIOS_SPEW, "m3885: set procram %02x = %02x\n", index, data); send_kbd_command(0xb8); send_kbd_data(index); send_kbd_command(0xbb); send_kbd_data(data); } static u8 m3885_get_proc_ram(u8 index) { u8 ret; send_kbd_command(0xb8); send_kbd_data(index); send_kbd_command(0xba); ret = recv_kbd_data(); printk(BIOS_SPEW, "m3885: get procram %02x = %02x\n", index, ret); return ret; } static u8 m3885_read_port(void) { u8 reg8; reg8 = m3885_get_variable(0x0c); reg8 &= ~(7 << 4); reg8 |= (4 << 4); /* bank 4 */ m3885_set_variable(0x0c, reg8); /* P6YSTATE */ return m3885_get_proc_ram(0xf8); } void m3885_configure_multikey(void) { int i; u8 reg8; u8 kstate5_flags, offs, maxvars; /* RAM bank 0 */ kstate5_flags = m3885_get_variable(0x0c); m3885_set_variable(0x0c, kstate5_flags & ~(7 << 4)); /* Write Matrix to bank 0 */ for (i = 0; i < ARRAY_SIZE(matrix); i++) { m3885_set_proc_ram(i + 0x80, matrix[i]); } /* RAM bank 2 */ m3885_set_variable(0x0c, (kstate5_flags & (~(7 << 4))) | (2 << 4)); /* Get the number of variables */ maxvars = m3885_get_variable(0x00); printk(BIOS_DEBUG, "M388x has %d variables in bank 2.\n", maxvars); if (maxvars >= 35) { offs = m3885_get_variable(0x23); if ((offs > 0xc0) || (offs < 0x80)) { printk(BIOS_DEBUG, "M388x does not have a valid RAM offset (0x%x)\n", offs); } else { printk(BIOS_DEBUG, "Writing Fn-Table to M388x RAM offset 0x%x\n", offs); for (i = 0; i < ARRAY_SIZE(function_ram); i++) { m3885_set_proc_ram(i + offs, function_ram[i]); } } } else { printk(BIOS_DEBUG, "Could not load Function-RAM (%d).\n", maxvars); } /* restore original bank */ m3885_set_variable(0x0c, kstate5_flags); maxvars = m3885_get_variable(0x00); printk(BIOS_DEBUG, "M388x has %d variables in original bank.\n", maxvars); for (i = 0; i < ARRAY_SIZE(variables); i+=3) { if(variables[i + 0] > maxvars) continue; reg8 = m3885_get_variable(variables[i + 0]); reg8 &= ~(variables[i + 1]); reg8 |= variables[i + 2]; m3885_set_variable(variables[i + 0], reg8); } /* OEM Init */ /* Set Bank 1 */ m3885_set_variable(0x0c, (kstate5_flags & ~(7 << 4)) | (1 << 4)); /* Set SMI# at P5.1 */ /* SMI Control -> p5.1 = EXTSMI# */ m3885_set_proc_ram(0xff, 0xc1); /* Set Fn-Key Task 0 -> SMI#/SCI */ m3885_set_proc_ram(0x6d, 0x81); /* Set Fn-Key Task 1 -> SCI */ m3885_set_proc_ram(0x6c, 0x80); /* Number of Thermal Sensors */ m3885_set_proc_ram(0xf2, 0x02); /* Critical Task */ m3885_set_proc_ram(0xf3, 0x5d); /* Thermal Polling Period */ m3885_set_proc_ram(0xf9, 0x0a); /* ReadPort */ /* AC PRESN# */ if (m3885_read_port() & (1 << 0)) reg8 = 0x8a; else reg8 = 0x9a; m3885_set_proc_ram(0xd0, reg8); /* P60SPEC */ /* SENSE1# */ if (m3885_read_port() & (1 << 2)) reg8 = 0x8a; else reg8 = 0x9a; m3885_set_proc_ram(0xd2, reg8); /* P62SPEC */ /* SENSE2# */ if (m3885_read_port() & (1 << 3)) reg8 = 0x8a; else reg8 = 0x9a; m3885_set_proc_ram(0xd3, reg8); /* P63SPEC */ /* Low Active Port */ m3885_set_proc_ram(0xd1, 0x88); /* P61SPEC */ m3885_set_proc_ram(0xd6, 0x88); /* P66SPEC */ m3885_set_proc_ram(0xd7, 0x88); /* P67SPEC */ /* High Active Port */ m3885_set_proc_ram(0xd4, 0x98); /* P64SPEC */ m3885_set_proc_ram(0xd5, 0x98); /* P65SPEC */ /* Set P60TASK-P67TASK */ /* SCI */ m3885_set_proc_ram(0xda, 0x80); /* P62TASK SENSE1# */ m3885_set_proc_ram(0xdb, 0x80); /* P63TASK SENSE2# */ m3885_set_proc_ram(0xdd, 0x80); /* P65TASK PROCHOT */ m3885_set_proc_ram(0xde, 0x80); /* P65TASK THERMTRIP# */ m3885_set_proc_ram(0xdf, 0x80); /* P65TASK PME# */ /* SMI/SCI */ m3885_set_proc_ram(0xd8, 0x81); /* P60TASK, AC_PRESN# */ m3885_set_proc_ram(0xd9, 0x81); /* P61TASK, LID# */ m3885_set_proc_ram(0xdc, 0x81); /* P64TASK, FDD/LPT# */ /* Thermal */ /* Bank 5 */ m3885_set_variable(0x0c, (kstate5_flags & ~(7 << 4)) | (5 << 4)); /* Thermal 0: Active cooling, Speed Step Down */ m3885_set_proc_ram(0x81, 0x9c); /* THRM0 */ m3885_set_proc_ram(0x82, 0x01); /* THRM0 CMD */ m3885_set_proc_ram(0x84, TH0LOW); /* THRM0 LOW */ m3885_set_proc_ram(0x85, TH0HIGH); /* THRM0 HIGH */ m3885_set_proc_ram(0x86, 0x81); /* Set Task SMI#/SCI */ m3885_set_proc_ram(0x87, TH0CRIT); /* THRM0 CRIT */ /* Thermal 1: Passive cooling, Fan On */ m3885_set_proc_ram(0x89, 0x9c); /* THRM1 */ m3885_set_proc_ram(0x8a, 0x01); /* THRM1 CMD */ m3885_set_proc_ram(0x8c, TH1LOW); /* THRM1 LOW */ m3885_set_proc_ram(0x8d, TH1HIGH); /* THRM1 HIGH */ m3885_set_proc_ram(0x8e, 0x81); /* Set Task SMI#/SCI */ /* Switch Task to SMI */ udelay(100 * 1000); /* 100ms */ outb(KBD_SC, 0xca); udelay(100 * 1000); /* 100ms */ outb(KBD_DATA, 0x17); /* Set P22 to high level, keyboard backlight default off */ udelay(100 * 1000); /* 100ms */ outb(KBD_SC, 0xc5); udelay(100 * 1000); /* 100ms */ outb(KBD_DATA, 0x4a); } u8 m3885_gpio(u8 value) { /* First write data */ ec_write(M3885_CMDAT1, value); /* Issue command: ACCESS GPIO */ ec_write(M3885_CMCMD, 0xc5); return 0; }