/* * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include 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 (*board_time_init)(void); extern void (*board_timer_setup)(struct irqaction *irq); extern void it8172_time_init(void); extern void it8172_timer_setup(struct irqaction *irq); #ifdef CONFIG_IT8172_REVC struct { struct resource ram; struct resource pci_mem; struct resource pci_io; struct resource flash; struct resource boot; } it8172_resources = { { "RAM", 0, 0, IORESOURCE_MEM }, /* to be initted */ { "PCI Mem", 0x10000000, 0x13FFFFFF, IORESOURCE_MEM }, { "PCI I/O", 0x14000000, 0x17FFFFFF }, { "Flash", 0x08000000, 0x0CFFFFFF }, { "Boot ROM", 0x1FC00000, 0x1FFFFFFF } }; #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 = { { "RAM", 0, 0, IORESOURCE_MEM }, /* to be initted */ { "PCI Mem0", 0x0C000000, 0x0FFFFFFF, IORESOURCE_MEM }, { "PCI Mem1", 0x10000000, 0x13FFFFFF, IORESOURCE_MEM }, { "PCI I/O", 0x14000000, 0x17FFFFFF }, { "PCI Mem2", 0x1A000000, 0x1BFFFFFF, IORESOURCE_MEM }, { "PCI Mem3", 0x1C000000, 0x1FBFFFFF, IORESOURCE_MEM }, { "Flash", 0x08000000, 0x0CFFFFFF }, { "Boot ROM", 0x1FC00000, 0x1FFFFFFF } }; #endif void __init it8172_init_ram_resource(unsigned long memsize) { it8172_resources.ram.end = memsize; } void __init plat_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; board_timer_setup = it8172_timer_setup; _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