2 * BRIEF MODULE DESCRIPTION
3 * IT8172/QED5231 board setup.
5 * Copyright 2000 MontaVista Software Inc.
6 * Author: MontaVista Software, Inc.
7 * ppopov@mvista.com or source@mvista.com
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
17 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
20 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 * You should have received a copy of the GNU General Public License along
26 * with this program; if not, write to the Free Software Foundation, Inc.,
27 * 675 Mass Ave, Cambridge, MA 02139, USA.
29 #include <linux/config.h>
30 #include <linux/init.h>
31 #include <linux/sched.h>
32 #include <linux/ioport.h>
33 #include <linux/serial_reg.h>
34 #include <linux/major.h>
35 #include <linux/kdev_t.h>
36 #include <linux/root_dev.h>
41 #include <asm/bootinfo.h>
43 #include <asm/mipsregs.h>
44 #include <asm/reboot.h>
45 #include <asm/traps.h>
46 #include <asm/it8172/it8172.h>
47 #include <asm/it8712.h>
49 extern struct resource ioport_resource;
50 #ifdef CONFIG_SERIO_I8042
51 int init_8712_keyboard(void);
54 extern int SearchIT8712(void);
55 extern void InitLPCInterface(void);
56 extern char * __init prom_getcmdline(void);
57 extern void it8172_restart(char *command);
58 extern void it8172_halt(void);
59 extern void it8172_power_off(void);
61 extern void (*board_time_init)(void);
62 extern void (*board_timer_setup)(struct irqaction *irq);
63 extern void it8172_time_init(void);
64 extern void it8172_timer_setup(struct irqaction *irq);
66 #ifdef CONFIG_IT8172_REVC
69 struct resource pci_mem;
70 struct resource pci_io;
71 struct resource flash;
73 } it8172_resources = {
74 { "RAM", 0, 0, IORESOURCE_MEM }, /* to be initted */
75 { "PCI Mem", 0x10000000, 0x13FFFFFF, IORESOURCE_MEM },
76 { "PCI I/O", 0x14000000, 0x17FFFFFF },
77 { "Flash", 0x08000000, 0x0CFFFFFF },
78 { "Boot ROM", 0x1FC00000, 0x1FFFFFFF }
83 struct resource pci_mem0;
84 struct resource pci_mem1;
85 struct resource pci_io;
86 struct resource pci_mem2;
87 struct resource pci_mem3;
88 struct resource flash;
90 } it8172_resources = {
91 { "RAM", 0, 0, IORESOURCE_MEM }, /* to be initted */
92 { "PCI Mem0", 0x0C000000, 0x0FFFFFFF, IORESOURCE_MEM },
93 { "PCI Mem1", 0x10000000, 0x13FFFFFF, IORESOURCE_MEM },
94 { "PCI I/O", 0x14000000, 0x17FFFFFF },
95 { "PCI Mem2", 0x1A000000, 0x1BFFFFFF, IORESOURCE_MEM },
96 { "PCI Mem3", 0x1C000000, 0x1FBFFFFF, IORESOURCE_MEM },
97 { "Flash", 0x08000000, 0x0CFFFFFF },
98 { "Boot ROM", 0x1FC00000, 0x1FFFFFFF }
103 void __init it8172_init_ram_resource(unsigned long memsize)
105 it8172_resources.ram.end = memsize;
108 void __init plat_setup(void)
113 argptr = prom_getcmdline();
114 #ifdef CONFIG_SERIAL_CONSOLE
115 if ((argptr = strstr(argptr, "console=")) == NULL) {
116 argptr = prom_getcmdline();
117 strcat(argptr, " console=ttyS0,115200");
121 clear_c0_status(ST0_FR);
123 board_time_init = it8172_time_init;
124 board_timer_setup = it8172_timer_setup;
126 _machine_restart = it8172_restart;
127 _machine_halt = it8172_halt;
128 _machine_power_off = it8172_power_off;
135 set_io_port_base(KSEG1);
136 ioport_resource.start = it8172_resources.pci_io.start;
137 ioport_resource.end = it8172_resources.pci_io.end;
138 #ifdef CONFIG_IT8172_REVC
139 iomem_resource.start = it8172_resources.pci_mem.start;
140 iomem_resource.end = it8172_resources.pci_mem.end;
142 iomem_resource.start = it8172_resources.pci_mem0.start;
143 iomem_resource.end = it8172_resources.pci_mem3.end;
146 #ifdef CONFIG_BLK_DEV_INITRD
147 ROOT_DEV = Root_RAM0;
151 * Pull enabled devices out of standby
153 IT_IO_READ16(IT_PM_DSR, dsr);
156 * Fixme: This breaks when these drivers are modules!!!
158 #ifdef CONFIG_SOUND_IT8172
159 dsr &= ~IT_PM_DSR_ACSB;
161 dsr |= IT_PM_DSR_ACSB;
163 #ifdef CONFIG_BLK_DEV_IT8172
164 dsr &= ~IT_PM_DSR_IDESB;
166 dsr |= IT_PM_DSR_IDESB;
168 IT_IO_WRITE16(IT_PM_DSR, dsr);
172 #ifdef CONFIG_MIPS_ITE8172
173 if (SearchIT8712()) {
174 printk("Found IT8712 Super IO\n");
175 /* enable IT8712 serial port */
176 LPCSetConfig(LDN_SERIAL1, 0x30, 0x01); /* enable */
177 LPCSetConfig(LDN_SERIAL1, 0x23, 0x01); /* clock selection */
178 #ifdef CONFIG_SERIO_I8042
179 if (init_8712_keyboard()) {
180 printk("Unable to initialize keyboard\n");
181 LPCSetConfig(LDN_KEYBOARD, 0x30, 0x0); /* disable keyboard */
183 LPCSetConfig(LDN_KEYBOARD, 0x30, 0x1); /* enable keyboard */
184 LPCSetConfig(LDN_KEYBOARD, 0xf0, 0x2);
185 LPCSetConfig(LDN_KEYBOARD, 0x71, 0x3);
187 LPCSetConfig(LDN_MOUSE, 0x30, 0x1); /* enable mouse */
189 LPCSetConfig(0x4, 0x30, 0x1);
190 LPCSetConfig(0x4, 0xf4, LPCGetConfig(0x4, 0xf4) | 0x80);
192 if ((LPCGetConfig(LDN_KEYBOARD, 0x30) == 0) ||
193 (LPCGetConfig(LDN_MOUSE, 0x30) == 0))
194 printk("Error: keyboard or mouse not enabled\n");
200 printk("IT8712 Super IO not found\n");
204 #ifdef CONFIG_IT8172_CIR
207 //printk("Enabling CIR0\n");
208 IT_IO_READ16(IT_PM_DSR, data);
209 data &= ~IT_PM_DSR_CIR0SB;
210 IT_IO_WRITE16(IT_PM_DSR, data);
211 //printk("DSR register: %x\n", (unsigned)IT_IO_READ16(IT_PM_DSR, data));
214 #ifdef CONFIG_IT8172_SCR0
217 /* Enable Smart Card Reader 0 */
218 /* First power it up */
219 IT_IO_READ16(IT_PM_DSR, i);
220 i &= ~IT_PM_DSR_SCR0SB;
221 IT_IO_WRITE16(IT_PM_DSR, i);
222 /* Then initialize its registers */
223 outb(( IT_SCR_SFR_GATE_UART_OFF << IT_SCR_SFR_GATE_UART_BIT
224 |IT_SCR_SFR_FET_CHARGE_213_US << IT_SCR_SFR_FET_CHARGE_BIT
225 |IT_SCR_SFR_CARD_FREQ_3_5_MHZ << IT_SCR_SFR_CARD_FREQ_BIT
226 |IT_SCR_SFR_FET_ACTIVE_INVERT << IT_SCR_SFR_FET_ACTIVE_BIT
227 |IT_SCR_SFR_ENABLE_ON << IT_SCR_SFR_ENABLE_BIT),
228 IT8172_PCI_IO_BASE + IT_SCR0_BASE + IT_SCR_SFR);
229 outb(IT_SCR_SCDR_RESET_MODE_ASYNC << IT_SCR_SCDR_RESET_MODE_BIT,
230 IT8172_PCI_IO_BASE + IT_SCR0_BASE + IT_SCR_SCDR);
232 #endif /* CONFIG_IT8172_SCR0 */
233 #ifdef CONFIG_IT8172_SCR1
236 /* Enable Smart Card Reader 1 */
237 /* First power it up */
238 IT_IO_READ16(IT_PM_DSR, i);
239 i &= ~IT_PM_DSR_SCR1SB;
240 IT_IO_WRITE16(IT_PM_DSR, i);
241 /* Then initialize its registers */
242 outb(( IT_SCR_SFR_GATE_UART_OFF << IT_SCR_SFR_GATE_UART_BIT
243 |IT_SCR_SFR_FET_CHARGE_213_US << IT_SCR_SFR_FET_CHARGE_BIT
244 |IT_SCR_SFR_CARD_FREQ_3_5_MHZ << IT_SCR_SFR_CARD_FREQ_BIT
245 |IT_SCR_SFR_FET_ACTIVE_INVERT << IT_SCR_SFR_FET_ACTIVE_BIT
246 |IT_SCR_SFR_ENABLE_ON << IT_SCR_SFR_ENABLE_BIT),
247 IT8172_PCI_IO_BASE + IT_SCR1_BASE + IT_SCR_SFR);
248 outb(IT_SCR_SCDR_RESET_MODE_ASYNC << IT_SCR_SCDR_RESET_MODE_BIT,
249 IT8172_PCI_IO_BASE + IT_SCR1_BASE + IT_SCR_SCDR);
251 #endif /* CONFIG_IT8172_SCR1 */
254 #ifdef CONFIG_SERIO_I8042
256 * According to the ITE Special BIOS Note for waking up the
257 * keyboard controller...
259 static int init_8712_keyboard(void)
261 unsigned int cmd_port = 0x14000064;
262 unsigned int data_port = 0x14000060;
264 Somebody here doesn't grok the concept of io ports.
269 outb(0xaa, cmd_port); /* send self-test cmd */
271 while (!(inb(cmd_port) & 0x1)) { /* wait output buffer full */
277 data = inb(data_port);
278 outb(0xcb, cmd_port); /* set ps2 mode */
279 while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
284 outb(0x01, data_port);
285 while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
291 outb(0x60, cmd_port); /* write 8042 command byte */
292 while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
297 outb(0x45, data_port); /* at interface, keyboard enabled, system flag */
298 while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
304 outb(0xae, cmd_port); /* enable interface */