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/*
* BRIEF MODULE DESCRIPTION
* IT8172/QED5231 board setup.
*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
*
* 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; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* 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.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/irq.h>
#include <linux/serial_reg.h>
#include <linux/major.h>
#include <linux/kdev_t.h>
#include <linux/root_dev.h>
#include <linux/pm.h>
#include <asm/cpu.h>
#include <asm/time.h>
#include <asm/io.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/mipsregs.h>
#include <asm/reboot.h>
#include <asm/traps.h>
#include <asm/it8172/it8172.h>
#include <asm/it8712.h>
extern struct resource ioport_resource;
#ifdef CONFIG_SERIO_I8042
int init_8712_keyboard(void);
#endif
extern int SearchIT8712(void);
extern void InitLPCInterface(void);
extern char * __init prom_getcmdline(void);
extern void it8172_restart(char *command);
extern void it8172_halt(void);
extern void it8172_power_off(void);
extern void it8172_time_init(void);
#ifdef CONFIG_IT8172_REVC
struct {
struct resource ram;
struct resource pci_mem;
struct resource pci_io;
struct resource flash;
struct resource boot;
} it8172_resources = {
{
.start = 0, /* to be initted */
.end = 0,
.name = "RAM",
.flags = IORESOURCE_MEM
}, {
.start = 0x10000000,
.end = 0x13FFFFFF,
.name = "PCI Mem",
.flags = IORESOURCE_MEM
}, {
.start = 0x14000000,
.end = 0x17FFFFFF
.name = "PCI I/O",
}, {
.start = 0x08000000,
.end = 0x0CFFFFFF
.name = "Flash",
}, {
.start = 0x1FC00000,
.end = 0x1FFFFFFF
.name = "Boot ROM",
}
};
#else
struct {
struct resource ram;
struct resource pci_mem0;
struct resource pci_mem1;
struct resource pci_io;
struct resource pci_mem2;
struct resource pci_mem3;
struct resource flash;
struct resource boot;
} it8172_resources = {
{
.start = 0, /* to be initted */
.end = 0,
.name = "RAM",
.flags = IORESOURCE_MEM
}, {
.start = 0x0C000000,
.end = 0x0FFFFFFF,
.name = "PCI Mem0",
.flags = IORESOURCE_MEM
}, {
.start = 0x10000000,
.end = 0x13FFFFFF,
.name = "PCI Mem1",
.flags = IORESOURCE_MEM
}, {
.start = 0x14000000,
.end = 0x17FFFFFF
.name = "PCI I/O",
}, {
.start = 0x1A000000,
.end = 0x1BFFFFFF,
.name = "PCI Mem2",
.flags = IORESOURCE_MEM
}, {
.start = 0x1C000000,
.end = 0x1FBFFFFF,
.name = "PCI Mem3",
.flags = IORESOURCE_MEM
}, {
.start = 0x08000000,
.end = 0x0CFFFFFF
.name = "Flash",
}, {
.start = 0x1FC00000,
.end = 0x1FFFFFFF
.name = "Boot ROM",
}
};
#endif
void __init it8172_init_ram_resource(unsigned long memsize)
{
it8172_resources.ram.end = memsize;
}
void __init plat_mem_setup(void)
{
unsigned short dsr;
char *argptr;
argptr = prom_getcmdline();
#ifdef CONFIG_SERIAL_CONSOLE
if ((argptr = strstr(argptr, "console=")) == NULL) {
argptr = prom_getcmdline();
strcat(argptr, " console=ttyS0,115200");
}
#endif
clear_c0_status(ST0_FR);
board_time_init = it8172_time_init;
_machine_restart = it8172_restart;
_machine_halt = it8172_halt;
pm_power_off = it8172_power_off;
/*
* IO/MEM resources.
*
* revisit this area.
*/
set_io_port_base(KSEG1);
ioport_resource.start = it8172_resources.pci_io.start;
ioport_resource.end = it8172_resources.pci_io.end;
#ifdef CONFIG_IT8172_REVC
iomem_resource.start = it8172_resources.pci_mem.start;
iomem_resource.end = it8172_resources.pci_mem.end;
#else
iomem_resource.start = it8172_resources.pci_mem0.start;
iomem_resource.end = it8172_resources.pci_mem3.end;
#endif
#ifdef CONFIG_BLK_DEV_INITRD
ROOT_DEV = Root_RAM0;
#endif
/*
* Pull enabled devices out of standby
*/
IT_IO_READ16(IT_PM_DSR, dsr);
/*
* Fixme: This breaks when these drivers are modules!!!
*/
#ifdef CONFIG_SOUND_IT8172
dsr &= ~IT_PM_DSR_ACSB;
#else
dsr |= IT_PM_DSR_ACSB;
#endif
#ifdef CONFIG_BLK_DEV_IT8172
dsr &= ~IT_PM_DSR_IDESB;
#else
dsr |= IT_PM_DSR_IDESB;
#endif
IT_IO_WRITE16(IT_PM_DSR, dsr);
InitLPCInterface();
#ifdef CONFIG_MIPS_ITE8172
if (SearchIT8712()) {
printk("Found IT8712 Super IO\n");
/* enable IT8712 serial port */
LPCSetConfig(LDN_SERIAL1, 0x30, 0x01); /* enable */
LPCSetConfig(LDN_SERIAL1, 0x23, 0x01); /* clock selection */
#ifdef CONFIG_SERIO_I8042
if (init_8712_keyboard()) {
printk("Unable to initialize keyboard\n");
LPCSetConfig(LDN_KEYBOARD, 0x30, 0x0); /* disable keyboard */
} else {
LPCSetConfig(LDN_KEYBOARD, 0x30, 0x1); /* enable keyboard */
LPCSetConfig(LDN_KEYBOARD, 0xf0, 0x2);
LPCSetConfig(LDN_KEYBOARD, 0x71, 0x3);
LPCSetConfig(LDN_MOUSE, 0x30, 0x1); /* enable mouse */
LPCSetConfig(0x4, 0x30, 0x1);
LPCSetConfig(0x4, 0xf4, LPCGetConfig(0x4, 0xf4) | 0x80);
if ((LPCGetConfig(LDN_KEYBOARD, 0x30) == 0) ||
(LPCGetConfig(LDN_MOUSE, 0x30) == 0))
printk("Error: keyboard or mouse not enabled\n");
}
#endif
}
else {
printk("IT8712 Super IO not found\n");
}
#endif
#ifdef CONFIG_IT8172_CIR
{
unsigned long data;
//printk("Enabling CIR0\n");
IT_IO_READ16(IT_PM_DSR, data);
data &= ~IT_PM_DSR_CIR0SB;
IT_IO_WRITE16(IT_PM_DSR, data);
//printk("DSR register: %x\n", (unsigned)IT_IO_READ16(IT_PM_DSR, data));
}
#endif
#ifdef CONFIG_IT8172_SCR0
{
unsigned i;
/* Enable Smart Card Reader 0 */
/* First power it up */
IT_IO_READ16(IT_PM_DSR, i);
i &= ~IT_PM_DSR_SCR0SB;
IT_IO_WRITE16(IT_PM_DSR, i);
/* Then initialize its registers */
outb(( IT_SCR_SFR_GATE_UART_OFF << IT_SCR_SFR_GATE_UART_BIT
|IT_SCR_SFR_FET_CHARGE_213_US << IT_SCR_SFR_FET_CHARGE_BIT
|IT_SCR_SFR_CARD_FREQ_3_5_MHZ << IT_SCR_SFR_CARD_FREQ_BIT
|IT_SCR_SFR_FET_ACTIVE_INVERT << IT_SCR_SFR_FET_ACTIVE_BIT
|IT_SCR_SFR_ENABLE_ON << IT_SCR_SFR_ENABLE_BIT),
IT8172_PCI_IO_BASE + IT_SCR0_BASE + IT_SCR_SFR);
outb(IT_SCR_SCDR_RESET_MODE_ASYNC << IT_SCR_SCDR_RESET_MODE_BIT,
IT8172_PCI_IO_BASE + IT_SCR0_BASE + IT_SCR_SCDR);
}
#endif /* CONFIG_IT8172_SCR0 */
#ifdef CONFIG_IT8172_SCR1
{
unsigned i;
/* Enable Smart Card Reader 1 */
/* First power it up */
IT_IO_READ16(IT_PM_DSR, i);
i &= ~IT_PM_DSR_SCR1SB;
IT_IO_WRITE16(IT_PM_DSR, i);
/* Then initialize its registers */
outb(( IT_SCR_SFR_GATE_UART_OFF << IT_SCR_SFR_GATE_UART_BIT
|IT_SCR_SFR_FET_CHARGE_213_US << IT_SCR_SFR_FET_CHARGE_BIT
|IT_SCR_SFR_CARD_FREQ_3_5_MHZ << IT_SCR_SFR_CARD_FREQ_BIT
|IT_SCR_SFR_FET_ACTIVE_INVERT << IT_SCR_SFR_FET_ACTIVE_BIT
|IT_SCR_SFR_ENABLE_ON << IT_SCR_SFR_ENABLE_BIT),
IT8172_PCI_IO_BASE + IT_SCR1_BASE + IT_SCR_SFR);
outb(IT_SCR_SCDR_RESET_MODE_ASYNC << IT_SCR_SCDR_RESET_MODE_BIT,
IT8172_PCI_IO_BASE + IT_SCR1_BASE + IT_SCR_SCDR);
}
#endif /* CONFIG_IT8172_SCR1 */
}
#ifdef CONFIG_SERIO_I8042
/*
* According to the ITE Special BIOS Note for waking up the
* keyboard controller...
*/
static int init_8712_keyboard(void)
{
unsigned int cmd_port = 0x14000064;
unsigned int data_port = 0x14000060;
^^^^^^^^^^^
Somebody here doesn't grok the concept of io ports.
unsigned char data;
int i;
outb(0xaa, cmd_port); /* send self-test cmd */
i = 0;
while (!(inb(cmd_port) & 0x1)) { /* wait output buffer full */
i++;
if (i > 0xffffff)
return 1;
}
data = inb(data_port);
outb(0xcb, cmd_port); /* set ps2 mode */
while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
i++;
if (i > 0xffffff)
return 1;
}
outb(0x01, data_port);
while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
i++;
if (i > 0xffffff)
return 1;
}
outb(0x60, cmd_port); /* write 8042 command byte */
while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
i++;
if (i > 0xffffff)
return 1;
}
outb(0x45, data_port); /* at interface, keyboard enabled, system flag */
while (inb(cmd_port) & 0x2) { /* wait while input buffer full */
i++;
if (i > 0xffffff)
return 1;
}
outb(0xae, cmd_port); /* enable interface */
return 0;
}
#endif
|
