diff options
Diffstat (limited to 'arch/mips/gt64120')
| -rw-r--r-- | arch/mips/gt64120/ev64120/Kconfig | 3 | ||||
| -rw-r--r-- | arch/mips/gt64120/ev64120/Makefile | 9 | ||||
| -rw-r--r-- | arch/mips/gt64120/ev64120/irq.c | 116 | ||||
| -rw-r--r-- | arch/mips/gt64120/ev64120/promcon.c | 48 | ||||
| -rw-r--r-- | arch/mips/gt64120/ev64120/reset.c | 45 | ||||
| -rw-r--r-- | arch/mips/gt64120/ev64120/serialGT.c | 212 | ||||
| -rw-r--r-- | arch/mips/gt64120/ev64120/setup.c | 99 |
7 files changed, 0 insertions, 532 deletions
diff --git a/arch/mips/gt64120/ev64120/Kconfig b/arch/mips/gt64120/ev64120/Kconfig deleted file mode 100644 index d691762cb0f..00000000000 --- a/arch/mips/gt64120/ev64120/Kconfig +++ /dev/null @@ -1,3 +0,0 @@ -config EVB_PCI1 - bool "Enable Second PCI (PCI1)" - depends on MIPS_EV64120 diff --git a/arch/mips/gt64120/ev64120/Makefile b/arch/mips/gt64120/ev64120/Makefile deleted file mode 100644 index 323b2cebc69..00000000000 --- a/arch/mips/gt64120/ev64120/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# -# Copyright 2000 RidgeRun, Inc. -# Author: RidgeRun, Inc. -# glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.com -# -# Makefile for the Galileo EV64120 board. -# - -obj-y += irq.o promcon.o reset.o serialGT.o setup.o diff --git a/arch/mips/gt64120/ev64120/irq.c b/arch/mips/gt64120/ev64120/irq.c deleted file mode 100644 index 64e4c80b613..00000000000 --- a/arch/mips/gt64120/ev64120/irq.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * BRIEF MODULE DESCRIPTION - * Code to handle irqs on GT64120A boards - * Derived from mips/orion and Cort <cort@fsmlabs.com> - * - * Copyright (C) 2000 RidgeRun, Inc. - * Author: RidgeRun, Inc. - * glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.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/errno.h> -#include <linux/init.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/bitops.h> -#include <asm/bootinfo.h> -#include <asm/io.h> -#include <asm/mipsregs.h> -#include <asm/system.h> -#include <asm/gt64120.h> - -asmlinkage void plat_irq_dispatch(void) -{ - unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; - - if (pending & STATUSF_IP4) /* int2 hardware line (timer) */ - do_IRQ(4); - else if (pending & STATUSF_IP2) /* int0 hardware line */ - do_IRQ(GT_INTA); - else if (pending & STATUSF_IP5) /* int3 hardware line */ - do_IRQ(GT_INTD); - else if (pending & STATUSF_IP6) /* int4 hardware line */ - do_IRQ(6); - else if (pending & STATUSF_IP7) /* compare int */ - do_IRQ(7); - else - spurious_interrupt(); -} - -static void disable_ev64120_irq(unsigned int irq_nr) -{ - if (irq_nr >= 8) { // All PCI interrupts are on line 5 or 2 - clear_c0_status(9 << 10); - } else { - clear_c0_status(1 << (irq_nr + 8)); - } -} - -static void enable_ev64120_irq(unsigned int irq_nr) -{ - if (irq_nr >= 8) // All PCI interrupts are on line 5 or 2 - set_c0_status(9 << 10); - else - set_c0_status(1 << (irq_nr + 8)); -} - -static void end_ev64120_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_ev64120_irq(irq); -} - -static struct irq_chip ev64120_irq_type = { - .name = "EV64120", - .ack = disable_ev64120_irq, - .mask = disable_ev64120_irq, - .mask_ack = disable_ev64120_irq, - .unmask = enable_ev64120_irq, - .end = end_ev64120_irq, -}; - -void gt64120_irq_setup(void) -{ - /* - * Clear all of the interrupts while we change the able around a bit. - */ - clear_c0_status(ST0_IM); - - /* - * Enable timer. Other interrupts will be enabled as they are - * registered. - */ - set_c0_status(IE_IRQ2); -} - -void __init arch_init_irq(void) -{ - gt64120_irq_setup(); -} diff --git a/arch/mips/gt64120/ev64120/promcon.c b/arch/mips/gt64120/ev64120/promcon.c deleted file mode 100644 index 6e0ecfed964..00000000000 --- a/arch/mips/gt64120/ev64120/promcon.c +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Wrap-around code for a console using the - * SGI PROM io-routines. - * - * Copyright (c) 1999 Ulf Carlsson - * - * Derived from DECstation promcon.c - * Copyright (c) 1998 Harald Koerfgen - */ -#include <linux/tty.h> -#include <linux/init.h> -#include <linux/console.h> - -static void prom_console_write(struct console *co, const char *s, - unsigned count) -{ - extern int CONSOLE_CHANNEL; // The default serial port - unsigned i; - - for (i = 0; i < count; i++) { - if (*s == 10) - serial_putc(CONSOLE_CHANNEL, 13); - serial_putc(CONSOLE_CHANNEL, *s++); - } -} - -static struct console sercons = { - .name = "ttyS", - .write = prom_console_write, - .flags = CON_PRINTBUFFER, - .index = -1, -}; - -/* - * Register console. - */ - -static int gal_serial_console_init(void) -{ - // serial_init(); - //serial_set(115200); - - register_console(&sercons); - - return 0; -} - -console_initcall(gal_serial_console_init); diff --git a/arch/mips/gt64120/ev64120/reset.c b/arch/mips/gt64120/ev64120/reset.c deleted file mode 100644 index 7b9f5e5bf21..00000000000 --- a/arch/mips/gt64120/ev64120/reset.c +++ /dev/null @@ -1,45 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1997 Ralf Baechle - */ -#include <linux/sched.h> -#include <linux/mm.h> -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/processor.h> -#include <asm/reboot.h> -#include <asm/system.h> - -void galileo_machine_restart(char *command) -{ - *(volatile char *) 0xbc000000 = 0x0f; - /* - * Ouch, we're still alive ... This time we take the silver bullet ... - * ... and find that we leave the hardware in a state in which the - * kernel in the flush locks up somewhen during of after the PCI - * detection stuff. - */ - 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 galileo_machine_halt(void) -{ - printk(KERN_NOTICE "You can safely turn off the power\n"); - while (1) - __asm__(".set\tmips3\n\t" - "wait\n\t" - ".set\tmips0"); - -} - -void galileo_machine_power_off(void) -{ - galileo_machine_halt(); -} diff --git a/arch/mips/gt64120/ev64120/serialGT.c b/arch/mips/gt64120/ev64120/serialGT.c deleted file mode 100644 index 8f0d835491f..00000000000 --- a/arch/mips/gt64120/ev64120/serialGT.c +++ /dev/null @@ -1,212 +0,0 @@ -/* - * serialGT.c - * - * BRIEF MODULE DESCRIPTION - * Low Level Serial Port control for use - * with the Galileo EVB64120A MIPS eval board and - * its on board two channel 16552 Uart. - * - * Copyright (C) 2000 RidgeRun, Inc. - * Author: RidgeRun, Inc. - * glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.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. - * - */ - -// Note: -// Serial CHANNELS - 0 is the bottom connector of evb64120A. -// (The one that maps to the "B" channel of the -// board's uart) -// 1 is the top connector of evb64120A. -// (The one that maps to the "A" channel of the -// board's uart) -int DEBUG_CHANNEL = 0; // See Note Above -int CONSOLE_CHANNEL = 1; // See Note Above - -#define DUART 0xBD000000 /* Base address of Uart. */ -#define CHANNELOFFSET 0x20 /* DUART+CHANNELOFFSET gets you to the ChanA - register set of the 16552 Uart device. - DUART+0 gets you to the ChanB register set. - */ -#define DUART_DELTA 0x4 -#define FIFO_ENABLE 0x07 -#define INT_ENABLE 0x04 /* default interrupt mask */ - -#define RBR 0x00 -#define THR 0x00 -#define DLL 0x00 -#define IER 0x01 -#define DLM 0x01 -#define IIR 0x02 -#define FCR 0x02 -#define LCR 0x03 -#define MCR 0x04 -#define LSR 0x05 -#define MSR 0x06 -#define SCR 0x07 - -#define LCR_DLAB 0x80 -#define XTAL 1843200 -#define LSR_THRE 0x20 -#define LSR_BI 0x10 -#define LSR_DR 0x01 -#define MCR_LOOP 0x10 -#define ACCESS_DELAY 0x10000 - -/****************************** - Routine: - Description: - ******************************/ -int inreg(int channel, int reg) -{ - int val; - val = - *((volatile unsigned char *) DUART + - (channel * CHANNELOFFSET) + (reg * DUART_DELTA)); - return val; -} - -/****************************** - Routine: - Description: - ******************************/ -void outreg(int channel, int reg, unsigned char val) -{ - *((volatile unsigned char *) DUART + (channel * CHANNELOFFSET) - + (reg * DUART_DELTA)) = val; -} - -/****************************** - Routine: - Description: - Initialize the device driver. - ******************************/ -void serial_init(int channel) -{ - /* - * Configure active port, (CHANNELOFFSET already set.) - * - * Set 8 bits, 1 stop bit, no parity. - * - * LCR<7> 0 divisor latch access bit - * LCR<6> 0 break control (1=send break) - * LCR<5> 0 stick parity (0=space, 1=mark) - * LCR<4> 0 parity even (0=odd, 1=even) - * LCR<3> 0 parity enable (1=enabled) - * LCR<2> 0 # stop bits (0=1, 1=1.5) - * LCR<1:0> 11 bits per character(00=5, 01=6, 10=7, 11=8) - */ - outreg(channel, LCR, 0x3); - - outreg(channel, FCR, FIFO_ENABLE); /* Enable the FIFO */ - - outreg(channel, IER, INT_ENABLE); /* Enable appropriate interrupts */ -} - -/****************************** - Routine: - Description: - Set the baud rate. - ******************************/ -void serial_set(int channel, unsigned long baud) -{ - unsigned char sav_lcr; - - /* - * Enable access to the divisor latches by setting DLAB in LCR. - * - */ - sav_lcr = inreg(channel, LCR); - -#if 0 - /* - * Set baud rate - */ - outreg(channel, LCR, LCR_DLAB | sav_lcr); - // outreg(DLL,(XTAL/(16*2*(baud))-2)); - outreg(channel, DLL, XTAL / (16 * baud)); - // outreg(DLM,(XTAL/(16*2*(baud))-2)>>8); - outreg(channel, DLM, (XTAL / (16 * baud)) >> 8); -#else - /* - * Note: Set baud rate, hardcoded here for rate of 115200 - * since became unsure of above "baud rate" algorithm (??). - */ - outreg(channel, LCR, 0x83); - outreg(channel, DLM, 0x00); // See note above - outreg(channel, DLL, 0x02); // See note above. - outreg(channel, LCR, 0x03); -#endif - - /* - * Restore line control register - */ - outreg(channel, LCR, sav_lcr); -} - - -/****************************** - Routine: - Description: - Transmit a character. - ******************************/ -void serial_putc(int channel, int c) -{ - while ((inreg(channel, LSR) & LSR_THRE) == 0); - outreg(channel, THR, c); -} - -/****************************** - Routine: - Description: - Read a received character if one is - available. Return -1 otherwise. - ******************************/ -int serial_getc(int channel) -{ - if (inreg(channel, LSR) & LSR_DR) { - return inreg(channel, RBR); - } - return -1; -} - -/****************************** - Routine: - Description: - Used by embedded gdb client. (example; gdb-stub.c) - ******************************/ -char getDebugChar() -{ - int val; - while ((val = serial_getc(DEBUG_CHANNEL)) == -1); // loop until we get a character in. - return (char) val; -} - -/****************************** - Routine: - Description: - Used by embedded gdb target. (example; gdb-stub.c) - ******************************/ -void putDebugChar(char c) -{ - serial_putc(DEBUG_CHANNEL, (int) c); -} diff --git a/arch/mips/gt64120/ev64120/setup.c b/arch/mips/gt64120/ev64120/setup.c deleted file mode 100644 index 477848c22a2..00000000000 --- a/arch/mips/gt64120/ev64120/setup.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * Copyright (C) 2000 RidgeRun, Inc. - * Author: RidgeRun, Inc. - * glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.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/kernel.h> -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/ioport.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/pci.h> -#include <linux/timex.h> -#include <linux/pm.h> - -#include <asm/bootinfo.h> -#include <asm/page.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/pci.h> -#include <asm/processor.h> -#include <asm/time.h> -#include <asm/reboot.h> -#include <asm/traps.h> -#include <linux/bootmem.h> - -unsigned long gt64120_base = KSEG1ADDR(0x14000000); - -/* These functions are used for rebooting or halting the machine*/ -extern void galileo_machine_restart(char *command); -extern void galileo_machine_halt(void); -extern void galileo_machine_power_off(void); -/* - *This structure holds pointers to the pci configuration space accesses - *and interrupts allocating routine for device over the PCI - */ -extern struct pci_ops galileo_pci_ops; - -void __init prom_free_prom_memory(void) -{ -} - -/* - * Initializes basic routines and structures pointers, memory size (as - * given by the bios and saves the command line. - */ - -void __init plat_mem_setup(void) -{ - _machine_restart = galileo_machine_restart; - _machine_halt = galileo_machine_halt; - pm_power_off = galileo_machine_power_off; - - set_io_port_base(KSEG1); -} - -const char *get_system_type(void) -{ - return "Galileo EV64120A"; -} - -/* - * Kernel arguments passed by the firmware - * - * $a0 - nothing - * $a1 - holds a pointer to the eprom parameters - * $a2 - nothing - */ - -void __init prom_init(void) -{ - mips_machgroup = MACH_GROUP_GALILEO; - mips_machtype = MACH_EV64120A; - - add_memory_region(0, 32 << 20, BOOT_MEM_RAM); -} |