diff options
Diffstat (limited to 'src/mainboard/roda/rk886ex/m3885.c')
| -rw-r--r-- | src/mainboard/roda/rk886ex/m3885.c | 417 |
1 files changed, 417 insertions, 0 deletions
diff --git a/src/mainboard/roda/rk886ex/m3885.c b/src/mainboard/roda/rk886ex/m3885.c new file mode 100644 index 0000000000..66e030da88 --- /dev/null +++ b/src/mainboard/roda/rk886ex/m3885.c @@ -0,0 +1,417 @@ +/* + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <types.h> +#include <stdlib.h> +#include <console/console.h> +#include <arch/io.h> +#include <delay.h> + +#include "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_spew("."); + } + if (!timeout) { + printk_debug("Timeout while sending command 0x%02x to EC!\n", + command); + // return -1; + } + + 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_spew("."); + } + if (!timeout) { + printk_debug("Timeout while sending data 0x%02x to EC!\n", + data); + // return -1; + } + + 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_spew("."); + } + if (!timeout) { + printk_debug("\nTimeout while receiving data from EC!\n"); + // return -1; + } + + 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_spew("m3885: get variable %02x = %02x\n", index, ret); + return ret; +} + +static void m3885_set_variable(u8 index, u8 data) +{ + printk_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_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); + // send_kbd_command(0xff); + ret = recv_kbd_data(); + printk_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_debug("M388x has %d variables in bank 2.\n", maxvars); + if (maxvars >= 35) { + offs = m3885_get_variable(0x23); + if ((offs > 0xc0) || (offs < 0x80)) { + printk_debug("M388x does not have a valid ram offset (0x%x)\n", offs); + } else { + printk_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_debug("Could not load Function-RAM (%d).\n", maxvars); + } + + // restore original bank + m3885_set_variable(0x0c, kstate5_flags); + maxvars = m3885_get_variable(0x00); + printk_debug("M388x has %d variables in original bank.\n", maxvars); + for (i=0; i<ARRAY_SIZE(variables); i+=3) { + u8 reg8; + if(variables[i + 0] > maxvars) + continue; + reg8 = m3885_get_variable(variables[i + 0]); + reg8 &= ~(variables[i + 1]); + reg8 |= variables[i + 2]; // & ~variables[i + 1]; + 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 */ + // m3885_set_variable(0x0c, (kstate5_flags & ~(7 << 4)) | (4 << 4)); + + /* 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) +{ +#if 0 + int timeout; +#endif + + /* First write data */ + ec_write(M3885_CMDAT1, value); + + /* Issue command: ACCESS GPIO */ + ec_write(M3885_CMCMD, 0xc5); + +#if 0 + /* CMCMD is 0 when the command is completed */ + timeout = 0xf; + while (ec_read(M3885_CMCMD) && --timeout) { + udelay(10); + printk_debug("."); + } + if (!timeout) { + printk_debug("\nTimeout while waiting for M3885 command!\n"); + } + + /* If it was a read function: Pin state */ + return ec_read(M3885_CMDAT1); +#else + return 0; +#endif +} + |