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>
42 #include <asm/bootinfo.h>
44 #include <asm/mipsregs.h>
45 #include <asm/reboot.h>
46 #include <asm/traps.h>
47 #include <asm/it8172/it8172.h>
48 #include <asm/it8712.h>
50 extern struct resource ioport_resource;
51 #ifdef CONFIG_SERIO_I8042
52 int init_8712_keyboard(void);
55 extern int SearchIT8712(void);
56 extern void InitLPCInterface(void);
57 extern char * __init prom_getcmdline(void);
58 extern void it8172_restart(char *command);
59 extern void it8172_halt(void);
60 extern void it8172_power_off(void);
62 extern void (*board_time_init)(void);
63 extern void (*board_timer_setup)(struct irqaction *irq);
64 extern void it8172_time_init(void);
65 extern void it8172_timer_setup(struct irqaction *irq);
67 #ifdef CONFIG_IT8172_REVC
70 struct resource pci_mem;
71 struct resource pci_io;
72 struct resource flash;
74 } it8172_resources = {
75 { "RAM", 0, 0, IORESOURCE_MEM }, /* to be initted */
76 { "PCI Mem", 0x10000000, 0x13FFFFFF, IORESOURCE_MEM },
77 { "PCI I/O", 0x14000000, 0x17FFFFFF },
78 { "Flash", 0x08000000, 0x0CFFFFFF },
79 { "Boot ROM", 0x1FC00000, 0x1FFFFFFF }
84 struct resource pci_mem0;
85 struct resource pci_mem1;
86 struct resource pci_io;
87 struct resource pci_mem2;
88 struct resource pci_mem3;
89 struct resource flash;
91 } it8172_resources = {
92 { "RAM", 0, 0, IORESOURCE_MEM }, /* to be initted */
93 { "PCI Mem0", 0x0C000000, 0x0FFFFFFF, IORESOURCE_MEM },
94 { "PCI Mem1", 0x10000000, 0x13FFFFFF, IORESOURCE_MEM },
95 { "PCI I/O", 0x14000000, 0x17FFFFFF },
96 { "PCI Mem2", 0x1A000000, 0x1BFFFFFF, IORESOURCE_MEM },
97 { "PCI Mem3", 0x1C000000, 0x1FBFFFFF, IORESOURCE_MEM },
98 { "Flash", 0x08000000, 0x0CFFFFFF },
99 { "Boot ROM", 0x1FC00000, 0x1FFFFFFF }
104 void __init it8172_init_ram_resource(unsigned long memsize)
106 it8172_resources.ram.end = memsize;
109 void __init plat_setup(void)
114 argptr = prom_getcmdline();
115 #ifdef CONFIG_SERIAL_CONSOLE
116 if ((argptr = strstr(argptr, "console=")) == NULL) {
117 argptr = prom_getcmdline();
118 strcat(argptr, " console=ttyS0,115200");
122 clear_c0_status(ST0_FR);
124 board_time_init = it8172_time_init;
125 board_timer_setup = it8172_timer_setup;
127 _machine_restart = it8172_restart;
128 _machine_halt = it8172_halt;
129 pm_power_off = it8172_power_off;
136 set_io_port_base(KSEG1);
137 ioport_resource.start = it8172_resources.pci_io.start;
138 ioport_resource.end = it8172_resources.pci_io.end;
139 #ifdef CONFIG_IT8172_REVC
140 iomem_resource.start = it8172_resources.pci_mem.start;
141 iomem_resource.end = it8172_resources.pci_mem.end;
143 iomem_resource.start = it8172_resources.pci_mem0.start;
144 iomem_resource.end = it8172_resources.pci_mem3.end;
147 #ifdef CONFIG_BLK_DEV_INITRD
148 ROOT_DEV = Root_RAM0;
152 * Pull enabled devices out of standby
154 IT_IO_READ16(IT_PM_DSR, dsr);
157 * Fixme: This breaks when these drivers are modules!!!
159 #ifdef CONFIG_SOUND_IT8172
160 dsr &= ~IT_PM_DSR_ACSB;
162 dsr |= IT_PM_DSR_ACSB;
164 #ifdef CONFIG_BLK_DEV_IT8172
165 dsr &= ~IT_PM_DSR_IDESB;
167 dsr |= IT_PM_DSR_IDESB;
169 IT_IO_WRITE16(IT_PM_DSR, dsr);
173 #ifdef CONFIG_MIPS_ITE8172
174 if (SearchIT8712()) {
175 printk("Found IT8712 Super IO\n");
176 /* enable IT8712 serial port */
177 LPCSetConfig(LDN_SERIAL1, 0x30, 0x01); /* enable */
178 LPCSetConfig(LDN_SERIAL1, 0x23, 0x01); /* clock selection */
179 #ifdef CONFIG_SERIO_I8042
180 if (init_8712_keyboard()) {
181 printk("Unable to initialize keyboard\n");
182 LPCSetConfig(LDN_KEYBOARD, 0x30, 0x0); /* disable keyboard */
184 LPCSetConfig(LDN_KEYBOARD, 0x30, 0x1); /* enable keyboard */
185 LPCSetConfig(LDN_KEYBOARD, 0xf0, 0x2);
186 LPCSetConfig(LDN_KEYBOARD, 0x71, 0x3);
188 LPCSetConfig(LDN_MOUSE, 0x30, 0x1); /* enable mouse */
190 LPCSetConfig(0x4, 0x30, 0x1);
191 LPCSetConfig(0x4, 0xf4, LPCGetConfig(0x4, 0xf4) | 0x80);
193 if ((LPCGetConfig(LDN_KEYBOARD, 0x30) == 0) ||
194 (LPCGetConfig(LDN_MOUSE, 0x30) == 0))
195 printk("Error: keyboard or mouse not enabled\n");
201 printk("IT8712 Super IO not found\n");
205 #ifdef CONFIG_IT8172_CIR
208 //printk("Enabling CIR0\n");
209 IT_IO_READ16(IT_PM_DSR, data);
210 data &= ~IT_PM_DSR_CIR0SB;
211 IT_IO_WRITE16(IT_PM_DSR, data);
212 //printk("DSR register: %x\n", (unsigned)IT_IO_READ16(IT_PM_DSR, data));
215 #ifdef CONFIG_IT8172_SCR0
218 /* Enable Smart Card Reader 0 */
219 /* First power it up */
220 IT_IO_READ16(IT_PM_DSR, i);
221 i &= ~IT_PM_DSR_SCR0SB;
222 IT_IO_WRITE16(IT_PM_DSR, i);
223 /* Then initialize its registers */
224 outb(( IT_SCR_SFR_GATE_UART_OFF << IT_SCR_SFR_GATE_UART_BIT
225 |IT_SCR_SFR_FET_CHARGE_213_US << IT_SCR_SFR_FET_CHARGE_BIT
226 |IT_SCR_SFR_CARD_FREQ_3_5_MHZ << IT_SCR_SFR_CARD_FREQ_BIT
227 |IT_SCR_SFR_FET_ACTIVE_INVERT << IT_SCR_SFR_FET_ACTIVE_BIT
228 |IT_SCR_SFR_ENABLE_ON << IT_SCR_SFR_ENABLE_BIT),
229 IT8172_PCI_IO_BASE + IT_SCR0_BASE + IT_SCR_SFR);
230 outb(IT_SCR_SCDR_RESET_MODE_ASYNC << IT_SCR_SCDR_RESET_MODE_BIT,
231 IT8172_PCI_IO_BASE + IT_SCR0_BASE + IT_SCR_SCDR);
233 #endif /* CONFIG_IT8172_SCR0 */
234 #ifdef CONFIG_IT8172_SCR1
237 /* Enable Smart Card Reader 1 */
238 /* First power it up */
239 IT_IO_READ16(IT_PM_DSR, i);
240 i &= ~IT_PM_DSR_SCR1SB;
241 IT_IO_WRITE16(IT_PM_DSR, i);
242 /* Then initialize its registers */
243 outb(( IT_SCR_SFR_GATE_UART_OFF << IT_SCR_SFR_GATE_UART_BIT
244 |IT_SCR_SFR_FET_CHARGE_213_US << IT_SCR_SFR_FET_CHARGE_BIT
245 |IT_SCR_SFR_CARD_FREQ_3_5_MHZ << IT_SCR_SFR_CARD_FREQ_BIT
246 |IT_SCR_SFR_FET_ACTIVE_INVERT << IT_SCR_SFR_FET_ACTIVE_BIT
247 |IT_SCR_SFR_ENABLE_ON << IT_SCR_SFR_ENABLE_BIT),
248 IT8172_PCI_IO_BASE + IT_SCR1_BASE + IT_SCR_SFR);
249 outb(IT_SCR_SCDR_RESET_MODE_ASYNC << IT_SCR_SCDR_RESET_MODE_BIT,
250 IT8172_PCI_IO_BASE + IT_SCR1_BASE + IT_SCR_SCDR);
252 #endif /* CONFIG_IT8172_SCR1 */
255 #ifdef CONFIG_SERIO_I8042
257 * According to the ITE Special BIOS Note for waking up the
258 * keyboard controller...
260 static int init_8712_keyboard(void)
262 unsigned int cmd_port = 0x14000064;
263 unsigned int data_port = 0x14000060;
265 Somebody here doesn't grok the concept of io ports.
270 outb(0xaa, cmd_port); /* send self-test cmd */
272 while (!(inb(cmd_port) & 0x1)) { /* wait output buffer full */
278 data = inb(data_port);
279 outb(0xcb, cmd_port); /* set ps2 mode */
280 while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
285 outb(0x01, data_port);
286 while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
292 outb(0x60, cmd_port); /* write 8042 command byte */
293 while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
298 outb(0x45, data_port); /* at interface, keyboard enabled, system flag */
299 while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
305 outb(0xae, cmd_port); /* enable interface */