diff options
Diffstat (limited to 'arch/mips/ite-boards/generic')
| -rw-r--r-- | arch/mips/ite-boards/generic/Makefile | 15 | ||||
| -rw-r--r-- | arch/mips/ite-boards/generic/dbg_io.c | 124 | ||||
| -rw-r--r-- | arch/mips/ite-boards/generic/irq.c | 308 | ||||
| -rw-r--r-- | arch/mips/ite-boards/generic/it8172_cir.c | 170 | ||||
| -rw-r--r-- | arch/mips/ite-boards/generic/it8172_setup.c | 352 | ||||
| -rw-r--r-- | arch/mips/ite-boards/generic/lpc.c | 144 | ||||
| -rw-r--r-- | arch/mips/ite-boards/generic/pmon_prom.c | 135 | ||||
| -rw-r--r-- | arch/mips/ite-boards/generic/puts.c | 139 | ||||
| -rw-r--r-- | arch/mips/ite-boards/generic/reset.c | 60 | ||||
| -rw-r--r-- | arch/mips/ite-boards/generic/time.c | 249 |
10 files changed, 0 insertions, 1696 deletions
diff --git a/arch/mips/ite-boards/generic/Makefile b/arch/mips/ite-boards/generic/Makefile deleted file mode 100644 index 63431538d0ec8..0000000000000 --- a/arch/mips/ite-boards/generic/Makefile +++ /dev/null @@ -1,15 +0,0 @@ -# -# Copyright 2000 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com -# -# Makefile for the ITE 8172 (qed-4n-s01b) board, generic files. -# - -obj-y += it8172_setup.o irq.o pmon_prom.o \ - time.o lpc.o puts.o reset.o - -obj-$(CONFIG_IT8172_CIR)+= it8172_cir.o -obj-$(CONFIG_KGDB) += dbg_io.o - -EXTRA_AFLAGS := $(CFLAGS) diff --git a/arch/mips/ite-boards/generic/dbg_io.c b/arch/mips/ite-boards/generic/dbg_io.c deleted file mode 100644 index 8e9cd8a9670a6..0000000000000 --- a/arch/mips/ite-boards/generic/dbg_io.c +++ /dev/null @@ -1,124 +0,0 @@ - - -#ifdef CONFIG_KGDB - -/* --- CONFIG --- */ - -/* we need uint32 uint8 */ -/* #include "types.h" */ -typedef unsigned char uint8; -typedef unsigned int uint32; - -/* --- END OF CONFIG --- */ - -#define UART16550_BAUD_2400 2400 -#define UART16550_BAUD_4800 4800 -#define UART16550_BAUD_9600 9600 -#define UART16550_BAUD_19200 19200 -#define UART16550_BAUD_38400 38400 -#define UART16550_BAUD_57600 57600 -#define UART16550_BAUD_115200 115200 - -#define UART16550_PARITY_NONE 0 -#define UART16550_PARITY_ODD 0x08 -#define UART16550_PARITY_EVEN 0x18 -#define UART16550_PARITY_MARK 0x28 -#define UART16550_PARITY_SPACE 0x38 - -#define UART16550_DATA_5BIT 0x0 -#define UART16550_DATA_6BIT 0x1 -#define UART16550_DATA_7BIT 0x2 -#define UART16550_DATA_8BIT 0x3 - -#define UART16550_STOP_1BIT 0x0 -#define UART16550_STOP_2BIT 0x4 - -/* ----------------------------------------------------- */ - -/* === CONFIG === */ - -/* [stevel] we use the IT8712 serial port for kgdb */ -#define DEBUG_BASE 0xB40003F8 /* 8712 serial port 1 base address */ -#define MAX_BAUD 115200 - -/* === END OF CONFIG === */ - -/* register offset */ -#define OFS_RCV_BUFFER 0 -#define OFS_TRANS_HOLD 0 -#define OFS_SEND_BUFFER 0 -#define OFS_INTR_ENABLE 1 -#define OFS_INTR_ID 2 -#define OFS_DATA_FORMAT 3 -#define OFS_LINE_CONTROL 3 -#define OFS_MODEM_CONTROL 4 -#define OFS_RS232_OUTPUT 4 -#define OFS_LINE_STATUS 5 -#define OFS_MODEM_STATUS 6 -#define OFS_RS232_INPUT 6 -#define OFS_SCRATCH_PAD 7 - -#define OFS_DIVISOR_LSB 0 -#define OFS_DIVISOR_MSB 1 - - -/* memory-mapped read/write of the port */ -#define UART16550_READ(y) (*((volatile uint8*)(DEBUG_BASE + y))) -#define UART16550_WRITE(y,z) ((*((volatile uint8*)(DEBUG_BASE + y))) = z) - -void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop) -{ - /* disable interrupts */ - UART16550_WRITE(OFS_INTR_ENABLE, 0); - - /* set up baud rate */ - { - uint32 divisor; - - /* set DIAB bit */ - UART16550_WRITE(OFS_LINE_CONTROL, 0x80); - - /* set divisor */ - divisor = MAX_BAUD / baud; - UART16550_WRITE(OFS_DIVISOR_LSB, divisor & 0xff); - UART16550_WRITE(OFS_DIVISOR_MSB, (divisor & 0xff00) >> 8); - - /* clear DIAB bit */ - UART16550_WRITE(OFS_LINE_CONTROL, 0x0); - } - - /* set data format */ - UART16550_WRITE(OFS_DATA_FORMAT, data | parity | stop); -} - -static int remoteDebugInitialized = 0; - -uint8 getDebugChar(void) -{ - if (!remoteDebugInitialized) { - remoteDebugInitialized = 1; - debugInit(UART16550_BAUD_115200, - UART16550_DATA_8BIT, - UART16550_PARITY_NONE, UART16550_STOP_1BIT); - } - - while ((UART16550_READ(OFS_LINE_STATUS) & 0x1) == 0); - return UART16550_READ(OFS_RCV_BUFFER); -} - - -int putDebugChar(uint8 byte) -{ - if (!remoteDebugInitialized) { - remoteDebugInitialized = 1; - debugInit(UART16550_BAUD_115200, - UART16550_DATA_8BIT, - UART16550_PARITY_NONE, UART16550_STOP_1BIT); - } - - while ((UART16550_READ(OFS_LINE_STATUS) & 0x20) == 0); - UART16550_WRITE(OFS_SEND_BUFFER, byte); - return 1; -} - -#endif diff --git a/arch/mips/ite-boards/generic/irq.c b/arch/mips/ite-boards/generic/irq.c deleted file mode 100644 index cb59ca4f76f04..0000000000000 --- a/arch/mips/ite-boards/generic/irq.c +++ /dev/null @@ -1,308 +0,0 @@ -/* - * BRIEF MODULE DESCRIPTION - * ITE 8172G interrupt/setup routines. - * - * Copyright 2000,2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * Part of this file was derived from Carsten Langgaard's - * arch/mips/mips-boards/atlas/atlas_int.c. - * - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * - * 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/errno.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/kernel_stat.h> -#include <linux/module.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/timex.h> -#include <linux/slab.h> -#include <linux/random.h> -#include <linux/serial_reg.h> -#include <linux/bitops.h> - -#include <asm/bootinfo.h> -#include <asm/io.h> -#include <asm/mipsregs.h> -#include <asm/system.h> -#include <asm/it8172/it8172.h> -#include <asm/it8172/it8172_int.h> -#include <asm/it8172/it8172_dbg.h> - -/* revisit */ -#define EXT_IRQ0_TO_IP 2 /* IP 2 */ -#define EXT_IRQ5_TO_IP 7 /* IP 7 */ - -#define ALLINTS_NOTIMER (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4) - -extern void set_debug_traps(void); -extern void mips_timer_interrupt(int irq, struct pt_regs *regs); - -struct it8172_intc_regs volatile *it8172_hw0_icregs = - (struct it8172_intc_regs volatile *)(KSEG1ADDR(IT8172_PCI_IO_BASE + IT_INTC_BASE)); - -static void disable_it8172_irq(unsigned int irq_nr) -{ - if ( (irq_nr >= IT8172_LPC_IRQ_BASE) && (irq_nr <= IT8172_SERIRQ_15)) { - /* LPC interrupt */ - it8172_hw0_icregs->lpc_mask |= - (1 << (irq_nr - IT8172_LPC_IRQ_BASE)); - } else if ( (irq_nr >= IT8172_LB_IRQ_BASE) && (irq_nr <= IT8172_IOCHK_IRQ)) { - /* Local Bus interrupt */ - it8172_hw0_icregs->lb_mask |= - (1 << (irq_nr - IT8172_LB_IRQ_BASE)); - } else if ( (irq_nr >= IT8172_PCI_DEV_IRQ_BASE) && (irq_nr <= IT8172_DMA_IRQ)) { - /* PCI and other interrupts */ - it8172_hw0_icregs->pci_mask |= - (1 << (irq_nr - IT8172_PCI_DEV_IRQ_BASE)); - } else if ( (irq_nr >= IT8172_NMI_IRQ_BASE) && (irq_nr <= IT8172_POWER_NMI_IRQ)) { - /* NMI interrupts */ - it8172_hw0_icregs->nmi_mask |= - (1 << (irq_nr - IT8172_NMI_IRQ_BASE)); - } else { - panic("disable_it8172_irq: bad irq %d", irq_nr); - } -} - -static void enable_it8172_irq(unsigned int irq_nr) -{ - if ( (irq_nr >= IT8172_LPC_IRQ_BASE) && (irq_nr <= IT8172_SERIRQ_15)) { - /* LPC interrupt */ - it8172_hw0_icregs->lpc_mask &= - ~(1 << (irq_nr - IT8172_LPC_IRQ_BASE)); - } - else if ( (irq_nr >= IT8172_LB_IRQ_BASE) && (irq_nr <= IT8172_IOCHK_IRQ)) { - /* Local Bus interrupt */ - it8172_hw0_icregs->lb_mask &= - ~(1 << (irq_nr - IT8172_LB_IRQ_BASE)); - } - else if ( (irq_nr >= IT8172_PCI_DEV_IRQ_BASE) && (irq_nr <= IT8172_DMA_IRQ)) { - /* PCI and other interrupts */ - it8172_hw0_icregs->pci_mask &= - ~(1 << (irq_nr - IT8172_PCI_DEV_IRQ_BASE)); - } - else if ( (irq_nr >= IT8172_NMI_IRQ_BASE) && (irq_nr <= IT8172_POWER_NMI_IRQ)) { - /* NMI interrupts */ - it8172_hw0_icregs->nmi_mask &= - ~(1 << (irq_nr - IT8172_NMI_IRQ_BASE)); - } - else { - panic("enable_it8172_irq: bad irq %d", irq_nr); - } -} - -static unsigned int startup_ite_irq(unsigned int irq) -{ - enable_it8172_irq(irq); - return 0; -} - -#define shutdown_ite_irq disable_it8172_irq -#define mask_and_ack_ite_irq disable_it8172_irq - -static void end_ite_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_it8172_irq(irq); -} - -static struct irq_chip it8172_irq_type = { - .typename = "ITE8172", - .startup = startup_ite_irq, - .shutdown = shutdown_ite_irq, - .enable = enable_it8172_irq, - .disable = disable_it8172_irq, - .ack = mask_and_ack_ite_irq, - .end = end_ite_irq, -}; - - -static void enable_none(unsigned int irq) { } -static unsigned int startup_none(unsigned int irq) { return 0; } -static void disable_none(unsigned int irq) { } -static void ack_none(unsigned int irq) { } - -/* startup is the same as "enable", shutdown is same as "disable" */ -#define shutdown_none disable_none -#define end_none enable_none - -static struct irq_chip cp0_irq_type = { - .typename = "CP0 Count", - .startup = startup_none, - .shutdown = shutdown_none, - .enable = enable_none, - .disable = disable_none, - .ack = ack_none, - .end = end_none -}; - -void enable_cpu_timer(void) -{ - unsigned long flags; - - local_irq_save(flags); - set_c0_status(0x100 << EXT_IRQ5_TO_IP); - local_irq_restore(flags); -} - -void __init arch_init_irq(void) -{ - int i; - unsigned long flags; - - /* mask all interrupts */ - it8172_hw0_icregs->lb_mask = 0xffff; - it8172_hw0_icregs->lpc_mask = 0xffff; - it8172_hw0_icregs->pci_mask = 0xffff; - it8172_hw0_icregs->nmi_mask = 0xffff; - - /* make all interrupts level triggered */ - it8172_hw0_icregs->lb_trigger = 0; - it8172_hw0_icregs->lpc_trigger = 0; - it8172_hw0_icregs->pci_trigger = 0; - it8172_hw0_icregs->nmi_trigger = 0; - - /* active level setting */ - /* uart, keyboard, and mouse are active high */ - it8172_hw0_icregs->lpc_level = (0x10 | 0x2 | 0x1000); - it8172_hw0_icregs->lb_level |= 0x20; - - /* keyboard and mouse are edge triggered */ - it8172_hw0_icregs->lpc_trigger |= (0x2 | 0x1000); - - -#if 0 - // Enable this piece of code to make internal USB interrupt - // edge triggered. - it8172_hw0_icregs->pci_trigger |= - (1 << (IT8172_USB_IRQ - IT8172_PCI_DEV_IRQ_BASE)); - it8172_hw0_icregs->pci_level &= - ~(1 << (IT8172_USB_IRQ - IT8172_PCI_DEV_IRQ_BASE)); -#endif - - for (i = 0; i <= IT8172_LAST_IRQ; i++) { - irq_desc[i].chip = &it8172_irq_type; - spin_lock_init(&irq_desc[i].lock); - } - irq_desc[MIPS_CPU_TIMER_IRQ].chip = &cp0_irq_type; - set_c0_status(ALLINTS_NOTIMER); -} - -void mips_spurious_interrupt(struct pt_regs *regs) -{ -#if 1 - return; -#else - unsigned long status, cause; - - printk("got spurious interrupt\n"); - status = read_c0_status(); - cause = read_c0_cause(); - printk("status %x cause %x\n", status, cause); - printk("epc %x badvaddr %x \n", regs->cp0_epc, regs->cp0_badvaddr); -#endif -} - -void it8172_hw0_irqdispatch(struct pt_regs *regs) -{ - int irq; - unsigned short intstatus = 0, status = 0; - - intstatus = it8172_hw0_icregs->intstatus; - if (intstatus & 0x8) { - panic("Got NMI interrupt"); - } else if (intstatus & 0x4) { - /* PCI interrupt */ - irq = 0; - status |= it8172_hw0_icregs->pci_req; - while (!(status & 0x1)) { - irq++; - status >>= 1; - } - irq += IT8172_PCI_DEV_IRQ_BASE; - } else if (intstatus & 0x1) { - /* Local Bus interrupt */ - irq = 0; - status |= it8172_hw0_icregs->lb_req; - while (!(status & 0x1)) { - irq++; - status >>= 1; - } - irq += IT8172_LB_IRQ_BASE; - } else if (intstatus & 0x2) { - /* LPC interrupt */ - /* Since some lpc interrupts are edge triggered, - * we could lose an interrupt this way because - * we acknowledge all ints at onces. Revisit. - */ - status |= it8172_hw0_icregs->lpc_req; - it8172_hw0_icregs->lpc_req = 0; /* acknowledge ints */ - irq = 0; - while (!(status & 0x1)) { - irq++; - status >>= 1; - } - irq += IT8172_LPC_IRQ_BASE; - } else - return; - - do_IRQ(irq, regs); -} - -asmlinkage void plat_irq_dispatch(struct pt_regs *regs) -{ - unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM; - - if (!pending) - mips_spurious_interrupt(regs); - else if (pending & CAUSEF_IP7) - ll_timer_interrupt(127, regs); - else if (pending & CAUSEF_IP2) - it8172_hw0_irqdispatch(regs); -} - -void show_pending_irqs(void) -{ - fputs("intstatus: "); - put32(it8172_hw0_icregs->intstatus); - puts(""); - - fputs("pci_req: "); - put32(it8172_hw0_icregs->pci_req); - puts(""); - - fputs("lb_req: "); - put32(it8172_hw0_icregs->lb_req); - puts(""); - - fputs("lpc_req: "); - put32(it8172_hw0_icregs->lpc_req); - puts(""); -} diff --git a/arch/mips/ite-boards/generic/it8172_cir.c b/arch/mips/ite-boards/generic/it8172_cir.c deleted file mode 100644 index bfc25adcfec6a..0000000000000 --- a/arch/mips/ite-boards/generic/it8172_cir.c +++ /dev/null @@ -1,170 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * IT8172 Consumer IR port generic routines. - * - * Copyright 2001 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. - */ - - -#ifdef CONFIG_IT8172_CIR - -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/init.h> - -#include <asm/it8172/it8172.h> -#include <asm/it8172/it8172_cir.h> - - -volatile struct it8172_cir_regs *cir_regs[NUM_CIR_PORTS] = { - (volatile struct it8172_cir_regs *)(KSEG1ADDR(IT8172_PCI_IO_BASE + IT_CIR0_BASE)), - (volatile struct it8172_cir_regs *)(KSEG1ADDR(IT8172_PCI_IO_BASE + IT_CIR1_BASE))}; - - -/* - * Initialize Consumer IR Port. - */ -int cir_port_init(struct cir_port *cir) -{ - int port = cir->port; - unsigned char data; - - /* set baud rate */ - cir_regs[port]->bdlr = cir->baud_rate & 0xff; - cir_regs[port]->bdhr = (cir->baud_rate >> 8) & 0xff; - - /* set receiver control register */ - cir_regs[port]->rcr = (CIR_SET_RDWOS(cir->rdwos) | CIR_SET_RXDCR(cir->rxdcr)); - - /* set carrier frequency register */ - cir_regs[port]->cfr = (CIR_SET_CF(cir->cfq) | CIR_SET_HS(cir->hcfs)); - - /* set fifo threshold */ - data = cir_regs[port]->mstcr & 0xf3; - data |= CIR_SET_FIFO_TL(cir->fifo_tl); - cir_regs[port]->mstcr = data; - - clear_fifo(cir); - enable_receiver(cir); - disable_rx_demodulation(cir); - - set_rx_active(cir); - int_enable(cir); - rx_int_enable(cir); - - return 0; -} - - -void clear_fifo(struct cir_port *cir) -{ - cir_regs[cir->port]->mstcr |= CIR_FIFO_CLEAR; -} - -void enable_receiver(struct cir_port *cir) -{ - cir_regs[cir->port]->rcr |= CIR_RXEN; -} - -void disable_receiver(struct cir_port *cir) -{ - cir_regs[cir->port]->rcr &= ~CIR_RXEN; -} - -void enable_rx_demodulation(struct cir_port *cir) -{ - cir_regs[cir->port]->rcr |= CIR_RXEND; -} - -void disable_rx_demodulation(struct cir_port *cir) -{ - cir_regs[cir->port]->rcr &= ~CIR_RXEND; -} - -void set_rx_active(struct cir_port *cir) -{ - cir_regs[cir->port]->rcr |= CIR_RXACT; -} - -void int_enable(struct cir_port *cir) -{ - cir_regs[cir->port]->ier |= CIR_IEC; -} - -void rx_int_enable(struct cir_port *cir) -{ - cir_regs[cir->port]->ier |= CIR_RDAIE; -} - -void dump_regs(struct cir_port *cir) -{ - printk("mstcr %x ier %x iir %x cfr %x rcr %x tcr %x tfsr %x rfsr %x\n", - cir_regs[cir->port]->mstcr, - cir_regs[cir->port]->ier, - cir_regs[cir->port]->iir, - cir_regs[cir->port]->cfr, - cir_regs[cir->port]->rcr, - cir_regs[cir->port]->tcr, - cir_regs[cir->port]->tfsr, - cir_regs[cir->port]->rfsr); - - while (cir_regs[cir->port]->iir & CIR_RDAI) { - printk("data %x\n", cir_regs[cir->port]->dr); - } -} - -void dump_reg_addr(struct cir_port *cir) -{ - printk("dr %x mstcr %x ier %x iir %x cfr %x rcr %x tcr %x bdlr %x bdhr %x tfsr %x rfsr %x\n", - (unsigned)&cir_regs[cir->port]->dr, - (unsigned)&cir_regs[cir->port]->mstcr, - (unsigned)&cir_regs[cir->port]->ier, - (unsigned)&cir_regs[cir->port]->iir, - (unsigned)&cir_regs[cir->port]->cfr, - (unsigned)&cir_regs[cir->port]->rcr, - (unsigned)&cir_regs[cir->port]->tcr, - (unsigned)&cir_regs[cir->port]->bdlr, - (unsigned)&cir_regs[cir->port]->bdhr, - (unsigned)&cir_regs[cir->port]->tfsr, - (unsigned)&cir_regs[cir->port]->rfsr); -} - -int cir_get_rx_count(struct cir_port *cir) -{ - return cir_regs[cir->port]->rfsr & CIR_RXFBC_MASK; -} - -char cir_read_data(struct cir_port *cir) -{ - return cir_regs[cir->port]->dr; -} - -char get_int_status(struct cir_port *cir) -{ - return cir_regs[cir->port]->iir; -} -#endif diff --git a/arch/mips/ite-boards/generic/it8172_setup.c b/arch/mips/ite-boards/generic/it8172_setup.c deleted file mode 100644 index 07faf3cacff2d..0000000000000 --- a/arch/mips/ite-boards/generic/it8172_setup.c +++ /dev/null @@ -1,352 +0,0 @@ -/* - * 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 diff --git a/arch/mips/ite-boards/generic/lpc.c b/arch/mips/ite-boards/generic/lpc.c deleted file mode 100644 index cc7584fbef8ac..0000000000000 --- a/arch/mips/ite-boards/generic/lpc.c +++ /dev/null @@ -1,144 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * ITE Semi IT8712 Super I/O functions. - * - * Copyright 2001 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 <asm/io.h> -#include <asm/types.h> -#include <asm/it8712.h> -#include <asm/it8172/it8172.h> - -#ifndef TRUE -#define TRUE 1 -#endif - -#ifndef FALSE -#define FALSE 0 -#endif - -void LPCEnterMBPnP(void) -{ - int i; - unsigned char key[4] = {0x87, 0x01, 0x55, 0x55}; - - for (i = 0; i<4; i++) - outb(key[i], LPC_KEY_ADDR); - -} - -void LPCExitMBPnP(void) -{ - outb(0x02, LPC_KEY_ADDR); - outb(0x02, LPC_DATA_ADDR); -} - -void LPCSetConfig(char LdnNumber, char Index, char data) -{ - LPCEnterMBPnP(); // Enter IT8712 MB PnP mode - outb(0x07, LPC_KEY_ADDR); - outb(LdnNumber, LPC_DATA_ADDR); - outb(Index, LPC_KEY_ADDR); - outb(data, LPC_DATA_ADDR); - LPCExitMBPnP(); -} - -char LPCGetConfig(char LdnNumber, char Index) -{ - char rtn; - - LPCEnterMBPnP(); // Enter IT8712 MB PnP mode - outb(0x07, LPC_KEY_ADDR); - outb(LdnNumber, LPC_DATA_ADDR); - outb(Index, LPC_KEY_ADDR); - rtn = inb(LPC_DATA_ADDR); - LPCExitMBPnP(); - return rtn; -} - -int SearchIT8712(void) -{ - unsigned char Id1, Id2; - unsigned short Id; - - LPCEnterMBPnP(); - outb(0x20, LPC_KEY_ADDR); /* chip id byte 1 */ - Id1 = inb(LPC_DATA_ADDR); - outb(0x21, LPC_KEY_ADDR); /* chip id byte 2 */ - Id2 = inb(LPC_DATA_ADDR); - Id = (Id1 << 8) | Id2; - LPCExitMBPnP(); - if (Id == 0x8712) - return TRUE; - else - return FALSE; -} - -void InitLPCInterface(void) -{ - unsigned char bus, dev_fn; - unsigned long data; - - bus = 0; - dev_fn = 1<<3 | 4; - - - /* pci cmd, SERR# Enable */ - IT_WRITE(IT_CONFADDR, - (bus << IT_BUSNUM_SHF) | - (dev_fn << IT_FUNCNUM_SHF) | - ((0x4 / 4) << IT_REGNUM_SHF)); - IT_READ(IT_CONFDATA, data); - data |= 0x0100; - IT_WRITE(IT_CONFADDR, - (bus << IT_BUSNUM_SHF) | - (dev_fn << IT_FUNCNUM_SHF) | - ((0x4 / 4) << IT_REGNUM_SHF)); - IT_WRITE(IT_CONFDATA, data); - - /* setup serial irq control register */ - IT_WRITE(IT_CONFADDR, - (bus << IT_BUSNUM_SHF) | - (dev_fn << IT_FUNCNUM_SHF) | - ((0x48 / 4) << IT_REGNUM_SHF)); - IT_READ(IT_CONFDATA, data); - data = (data & 0xffff00ff) | 0xc400; - IT_WRITE(IT_CONFADDR, - (bus << IT_BUSNUM_SHF) | - (dev_fn << IT_FUNCNUM_SHF) | - ((0x48 / 4) << IT_REGNUM_SHF)); - IT_WRITE(IT_CONFDATA, data); - - - /* Enable I/O Space Subtractive Decode */ - /* default 0x4C is 0x3f220000 */ - IT_WRITE(IT_CONFADDR, - (bus << IT_BUSNUM_SHF) | - (dev_fn << IT_FUNCNUM_SHF) | - ((0x4C / 4) << IT_REGNUM_SHF)); - IT_WRITE(IT_CONFDATA, 0x3f2200f3); -} diff --git a/arch/mips/ite-boards/generic/pmon_prom.c b/arch/mips/ite-boards/generic/pmon_prom.c deleted file mode 100644 index 7d0a79be34d81..0000000000000 --- a/arch/mips/ite-boards/generic/pmon_prom.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * PROM library initialisation code, assuming a version of - * pmon is the boot code. - * - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * This file was derived from Carsten Langgaard's - * arch/mips/mips-boards/xx files. - * - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * - * 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/kernel.h> -#include <linux/init.h> -#include <linux/string.h> - -#include <asm/bootinfo.h> - -extern int prom_argc; -extern char **prom_argv, **prom_envp; - -typedef struct -{ - char *name; -/* char *val; */ -}t_env_var; - - -char * __init prom_getcmdline(void) -{ - return &(arcs_cmdline[0]); -} - -void __init prom_init_cmdline(void) -{ - char *cp; - int actr; - - actr = 1; /* Always ignore argv[0] */ - - cp = &(arcs_cmdline[0]); - while(actr < prom_argc) { - strcpy(cp, prom_argv[actr]); - cp += strlen(prom_argv[actr]); - *cp++ = ' '; - actr++; - } - if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */ - --cp; - *cp = '\0'; - -} - - -char *prom_getenv(char *envname) -{ - /* - * Return a pointer to the given environment variable. - * Environment variables are stored in the form of "memsize=64". - */ - - t_env_var *env = (t_env_var *)prom_envp; - int i; - - i = strlen(envname); - - while(env->name) { - if(strncmp(envname, env->name, i) == 0) { - return(env->name + strlen(envname) + 1); - } - env++; - } - return(NULL); -} - -static inline unsigned char str2hexnum(unsigned char c) -{ - if(c >= '0' && c <= '9') - return c - '0'; - if(c >= 'a' && c <= 'f') - return c - 'a' + 10; - return 0; /* foo */ -} - -unsigned long __init prom_free_prom_memory(void) -{ - return 0; -} - -unsigned long __init prom_get_memsize(void) -{ - char *memsize_str; - unsigned int memsize; - - memsize_str = prom_getenv("memsize"); - if (!memsize_str) { -#ifdef CONFIG_MIPS_ITE8172 - memsize = 32; -#elif defined(CONFIG_MIPS_IVR) - memsize = 64; -#else - memsize = 8; -#endif - printk("memsize unknown: setting to %dMB\n", memsize); - } else { - printk("memsize: %s\n", memsize_str); - memsize = simple_strtol(memsize_str, NULL, 0); - } - return memsize; -} diff --git a/arch/mips/ite-boards/generic/puts.c b/arch/mips/ite-boards/generic/puts.c deleted file mode 100644 index 20b02df6b4142..0000000000000 --- a/arch/mips/ite-boards/generic/puts.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * Low level uart routines to directly access a 16550 uart. - * - * Copyright 2000,2001 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/types.h> - -#define SERIAL_BASE 0xB4011800 /* it8172 */ -#define SER_CMD 5 -#define SER_DATA 0x00 -#define TX_BUSY 0x20 - -#define TIMEOUT 0xffff -#undef SLOW_DOWN - -static const char digits[16] = "0123456789abcdef"; -static volatile unsigned char *const com1 = (unsigned char *) SERIAL_BASE; - - -#ifdef SLOW_DOWN -static inline void slow_down() -{ - int k; - for (k = 0; k < 10000; k++); -} -#else -#define slow_down() -#endif - -void putch(const unsigned char c) -{ - unsigned char ch; - int i = 0; - - do { - ch = com1[SER_CMD]; - slow_down(); - i++; - if (i > TIMEOUT) { - break; - } - } while (0 == (ch & TX_BUSY)); - com1[SER_DATA] = c; -} - -void puts(unsigned char *cp) -{ - unsigned char ch; - int i = 0; - - while (*cp) { - do { - ch = com1[SER_CMD]; - slow_down(); - i++; - if (i > TIMEOUT) { - break; - } - } while (0 == (ch & TX_BUSY)); - com1[SER_DATA] = *cp++; - } - putch('\r'); - putch('\n'); -} - -void fputs(unsigned char *cp) -{ - unsigned char ch; - int i = 0; - - while (*cp) { - - do { - ch = com1[SER_CMD]; - slow_down(); - i++; - if (i > TIMEOUT) { - break; - } - } while (0 == (ch & TX_BUSY)); - com1[SER_DATA] = *cp++; - } -} - - -void put64(uint64_t ul) -{ - int cnt; - unsigned ch; - - cnt = 16; /* 16 nibbles in a 64 bit long */ - putch('0'); - putch('x'); - do { - cnt--; - ch = (unsigned char) (ul >> cnt * 4) & 0x0F; - putch(digits[ch]); - } while (cnt > 0); -} - -void put32(unsigned u) -{ - int cnt; - unsigned ch; - - cnt = 8; /* 8 nibbles in a 32 bit long */ - putch('0'); - putch('x'); - do { - cnt--; - ch = (unsigned char) (u >> cnt * 4) & 0x0F; - putch(digits[ch]); - } while (cnt > 0); -} diff --git a/arch/mips/ite-boards/generic/reset.c b/arch/mips/ite-boards/generic/reset.c deleted file mode 100644 index 03bd5ba8c9138..0000000000000 --- a/arch/mips/ite-boards/generic/reset.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * ITE 8172 reset routines. - * - * Copyright 2001 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/sched.h> -#include <linux/mm.h> -#include <asm/cacheflush.h> -#include <asm/io.h> -#include <asm/processor.h> -#include <asm/reboot.h> -#include <asm/system.h> - -void it8172_restart() -{ - set_c0_status(ST0_BEV | ST0_ERL); - change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED); - flush_cache_all(); - write_c0_wired(0); - __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); -} - -void it8172_halt(void) -{ - printk(KERN_NOTICE "\n** You can safely turn off the power\n"); - while (1) - __asm__(".set\tmips3\n\t" - "wait\n\t" - ".set\tmips0"); -} - -void it8172_power_off(void) -{ - it8172_halt(); -} diff --git a/arch/mips/ite-boards/generic/time.c b/arch/mips/ite-boards/generic/time.c deleted file mode 100644 index 3dc55569ff7f4..0000000000000 --- a/arch/mips/ite-boards/generic/time.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * - * Copyright (C) 2003 MontaVista Software Inc. - * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net - * - * ######################################################################## - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope 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., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * ######################################################################## - * - * Setting up the clock on the MIPS boards. - */ -#include <linux/init.h> -#include <linux/kernel_stat.h> -#include <linux/sched.h> -#include <linux/time.h> -#include <linux/spinlock.h> -#include <linux/mc146818rtc.h> - -#include <asm/time.h> -#include <asm/mipsregs.h> -#include <asm/ptrace.h> -#include <asm/it8172/it8172.h> -#include <asm/it8172/it8172_int.h> -#include <asm/debug.h> - -#define IT8172_RTC_ADR_REG (IT8172_PCI_IO_BASE + IT_RTC_BASE) -#define IT8172_RTC_DAT_REG (IT8172_RTC_ADR_REG + 1) -#define IT8172_RTC_CENTURY_REG (IT8172_PCI_IO_BASE + IT_RTC_CENTURY) - -static volatile char *rtc_adr_reg = (char*)KSEG1ADDR(IT8172_RTC_ADR_REG); -static volatile char *rtc_dat_reg = (char*)KSEG1ADDR(IT8172_RTC_DAT_REG); -static volatile char *rtc_century_reg = (char*)KSEG1ADDR(IT8172_RTC_CENTURY_REG); - -unsigned char it8172_rtc_read_data(unsigned long addr) -{ - unsigned char retval; - - *rtc_adr_reg = addr; - retval = *rtc_dat_reg; - return retval; -} - -void it8172_rtc_write_data(unsigned char data, unsigned long addr) -{ - *rtc_adr_reg = addr; - *rtc_dat_reg = data; -} - -#undef CMOS_READ -#undef CMOS_WRITE -#define CMOS_READ(addr) it8172_rtc_read_data(addr) -#define CMOS_WRITE(data, addr) it8172_rtc_write_data(data, addr) - -static unsigned char saved_control; /* remember rtc control reg */ -static inline int rtc_24h(void) { return saved_control & RTC_24H; } -static inline int rtc_dm_binary(void) { return saved_control & RTC_DM_BINARY; } - -static inline unsigned char -bin_to_hw(unsigned char c) -{ - if (rtc_dm_binary()) - return c; - else - return ((c/10) << 4) + (c%10); -} - -static inline unsigned char -hw_to_bin(unsigned char c) -{ - if (rtc_dm_binary()) - return c; - else - return (c>>4)*10 + (c &0xf); -} - -/* 0x80 bit indicates pm in 12-hour format */ -static inline unsigned char -hour_bin_to_hw(unsigned char c) -{ - if (rtc_24h()) - return bin_to_hw(c); - if (c >= 12) - return 0x80 | bin_to_hw((c==12)?12:c-12); /* 12 is 12pm */ - else - return bin_to_hw((c==0)?12:c); /* 0 is 12 AM, not 0 am */ -} - -static inline unsigned char -hour_hw_to_bin(unsigned char c) -{ - unsigned char tmp = hw_to_bin(c&0x3f); - if (rtc_24h()) - return tmp; - if (c & 0x80) - return (tmp==12)?12:tmp+12; /* 12pm is 12, not 24 */ - else - return (tmp==12)?0:tmp; /* 12am is 0 */ -} - -static unsigned long r4k_offset; /* Amount to increment compare reg each time */ -static unsigned long r4k_cur; /* What counter should be at next timer irq */ -extern unsigned int mips_hpt_frequency; - -/* - * Figure out the r4k offset, the amount to increment the compare - * register for each time tick. - * Use the RTC to calculate offset. - */ -static unsigned long __init cal_r4koff(void) -{ - unsigned int flags; - - local_irq_save(flags); - - /* Start counter exactly on falling edge of update flag */ - while (CMOS_READ(RTC_REG_A) & RTC_UIP); - while (!(CMOS_READ(RTC_REG_A) & RTC_UIP)); - - /* Start r4k counter. */ - write_c0_count(0); - - /* Read counter exactly on falling edge of update flag */ - while (CMOS_READ(RTC_REG_A) & RTC_UIP); - while (!(CMOS_READ(RTC_REG_A) & RTC_UIP)); - - mips_hpt_frequency = read_c0_count(); - - /* restore interrupts */ - local_irq_restore(flags); - - return (mips_hpt_frequency / HZ); -} - -static unsigned long -it8172_rtc_get_time(void) -{ - unsigned int year, mon, day, hour, min, sec; - unsigned int flags; - - /* avoid update-in-progress. */ - for (;;) { - local_irq_save(flags); - if (! (CMOS_READ(RTC_REG_A) & RTC_UIP)) - break; - /* don't hold intr closed all the time */ - local_irq_restore(flags); - } - - /* Read regs. */ - sec = hw_to_bin(CMOS_READ(RTC_SECONDS)); - min = hw_to_bin(CMOS_READ(RTC_MINUTES)); - hour = hour_hw_to_bin(CMOS_READ(RTC_HOURS)); - day = hw_to_bin(CMOS_READ(RTC_DAY_OF_MONTH)); - mon = hw_to_bin(CMOS_READ(RTC_MONTH)); - year = hw_to_bin(CMOS_READ(RTC_YEAR)) + - hw_to_bin(*rtc_century_reg) * 100; - - /* restore interrupts */ - local_irq_restore(flags); - - return mktime(year, mon, day, hour, min, sec); -} - -static int -it8172_rtc_set_time(unsigned long t) -{ - struct rtc_time tm; - unsigned int flags; - - /* convert */ - to_tm(t, &tm); - - /* avoid update-in-progress. */ - for (;;) { - local_irq_save(flags); - if (! (CMOS_READ(RTC_REG_A) & RTC_UIP)) - break; - /* don't hold intr closed all the time */ - local_irq_restore(flags); - } - - *rtc_century_reg = bin_to_hw(tm.tm_year/100); - CMOS_WRITE(bin_to_hw(tm.tm_sec), RTC_SECONDS); - CMOS_WRITE(bin_to_hw(tm.tm_min), RTC_MINUTES); - CMOS_WRITE(hour_bin_to_hw(tm.tm_hour), RTC_HOURS); - CMOS_WRITE(bin_to_hw(tm.tm_mday), RTC_DAY_OF_MONTH); - CMOS_WRITE(bin_to_hw(tm.tm_mon+1), RTC_MONTH); /* tm_mon starts from 0 */ - CMOS_WRITE(bin_to_hw(tm.tm_year%100), RTC_YEAR); - - /* restore interrupts */ - local_irq_restore(flags); - - return 0; -} - -void __init it8172_time_init(void) -{ - unsigned int est_freq, flags; - - local_irq_save(flags); - - saved_control = CMOS_READ(RTC_CONTROL); - - printk("calculating r4koff... "); - r4k_offset = cal_r4koff(); - printk("%08lx(%d)\n", r4k_offset, (int) r4k_offset); - - est_freq = 2*r4k_offset*HZ; - est_freq += 5000; /* round */ - est_freq -= est_freq%10000; - printk("CPU frequency %d.%02d MHz\n", est_freq/1000000, - (est_freq%1000000)*100/1000000); - - local_irq_restore(flags); - - rtc_mips_get_time = it8172_rtc_get_time; - rtc_mips_set_time = it8172_rtc_set_time; -} - -#define ALLINTS (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5) - -void __init plat_timer_setup(struct irqaction *irq) -{ - puts("timer_setup\n"); - put32(NR_IRQS); - puts(""); - /* we are using the cpu counter for timer interrupts */ - setup_irq(MIPS_CPU_TIMER_IRQ, irq); - - /* to generate the first timer interrupt */ - r4k_cur = (read_c0_count() + r4k_offset); - write_c0_compare(r4k_cur); - set_c0_status(ALLINTS); -} |