diff options
Diffstat (limited to 'arch/mips/basler/excite')
| -rw-r--r-- | arch/mips/basler/excite/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/basler/excite/excite_dbg_io.c | 121 | ||||
| -rw-r--r-- | arch/mips/basler/excite/excite_irq.c | 7 | ||||
| -rw-r--r-- | arch/mips/basler/excite/excite_setup.c | 4 |
4 files changed, 2 insertions, 131 deletions
diff --git a/arch/mips/basler/excite/Makefile b/arch/mips/basler/excite/Makefile index 519142c2e4ef..cff29cf46d03 100644 --- a/arch/mips/basler/excite/Makefile +++ b/arch/mips/basler/excite/Makefile @@ -5,5 +5,4 @@ obj-$(CONFIG_BASLER_EXCITE) += excite_irq.o excite_prom.o excite_setup.o \ excite_device.o excite_procfs.o -obj-$(CONFIG_KGDB) += excite_dbg_io.o obj-m += excite_iodev.o diff --git a/arch/mips/basler/excite/excite_dbg_io.c b/arch/mips/basler/excite/excite_dbg_io.c deleted file mode 100644 index d289e3a868cf..000000000000 --- a/arch/mips/basler/excite/excite_dbg_io.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Copyright (C) 2004 by Basler Vision Technologies AG - * Author: Thomas Koeller <thomas.koeller@baslerweb.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 program is distributed in the hope that 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 - */ - -#include <linux/linkage.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <asm/gdb-stub.h> -#include <asm/rm9k-ocd.h> -#include <excite.h> - -#if defined(CONFIG_SERIAL_8250) && CONFIG_SERIAL_8250_NR_UARTS > 1 -#error Debug port used by serial driver -#endif - -#define UART_CLK 25000000 -#define BASE_BAUD (UART_CLK / 16) -#define REGISTER_BASE_0 0x0208UL -#define REGISTER_BASE_1 0x0238UL - -#define REGISTER_BASE_DBG REGISTER_BASE_1 - -#define CPRR 0x0004 -#define UACFG 0x0200 -#define UAINTS 0x0204 -#define UARBR (REGISTER_BASE_DBG + 0x0000) -#define UATHR (REGISTER_BASE_DBG + 0x0004) -#define UADLL (REGISTER_BASE_DBG + 0x0008) -#define UAIER (REGISTER_BASE_DBG + 0x000c) -#define UADLH (REGISTER_BASE_DBG + 0x0010) -#define UAIIR (REGISTER_BASE_DBG + 0x0014) -#define UAFCR (REGISTER_BASE_DBG + 0x0018) -#define UALCR (REGISTER_BASE_DBG + 0x001c) -#define UAMCR (REGISTER_BASE_DBG + 0x0020) -#define UALSR (REGISTER_BASE_DBG + 0x0024) -#define UAMSR (REGISTER_BASE_DBG + 0x0028) -#define UASCR (REGISTER_BASE_DBG + 0x002c) - -#define PARITY_NONE 0 -#define PARITY_ODD 0x08 -#define PARITY_EVEN 0x18 -#define PARITY_MARK 0x28 -#define PARITY_SPACE 0x38 - -#define DATA_5BIT 0x0 -#define DATA_6BIT 0x1 -#define DATA_7BIT 0x2 -#define DATA_8BIT 0x3 - -#define STOP_1BIT 0x0 -#define STOP_2BIT 0x4 - -#define BAUD_DBG 57600 -#define PARITY_DBG PARITY_NONE -#define DATA_DBG DATA_8BIT -#define STOP_DBG STOP_1BIT - -/* Initialize the serial port for KGDB debugging */ -void __init excite_kgdb_init(void) -{ - const u32 divisor = BASE_BAUD / BAUD_DBG; - - /* Take the UART out of reset */ - titan_writel(0x00ff1cff, CPRR); - titan_writel(0x00000000, UACFG); - titan_writel(0x00000002, UACFG); - - titan_writel(0x0, UALCR); - titan_writel(0x0, UAIER); - - /* Disable FIFOs */ - titan_writel(0x00, UAFCR); - - titan_writel(0x80, UALCR); - titan_writel(divisor & 0xff, UADLL); - titan_writel((divisor & 0xff00) >> 8, UADLH); - titan_writel(0x0, UALCR); - - titan_writel(DATA_DBG | PARITY_DBG | STOP_DBG, UALCR); - - /* Enable receiver interrupt */ - titan_readl(UARBR); - titan_writel(0x1, UAIER); -} - -int getDebugChar(void) -{ - while (!(titan_readl(UALSR) & 0x1)); - return titan_readl(UARBR); -} - -int putDebugChar(int data) -{ - while (!(titan_readl(UALSR) & 0x20)); - titan_writel(data, UATHR); - return 1; -} - -/* KGDB interrupt handler */ -asmlinkage void excite_kgdb_inthdl(void) -{ - if (unlikely( - ((titan_readl(UAIIR) & 0x7) == 4) - && ((titan_readl(UARBR) & 0xff) == 0x3))) - set_async_breakpoint(®s->cp0_epc); -} diff --git a/arch/mips/basler/excite/excite_irq.c b/arch/mips/basler/excite/excite_irq.c index 4903e067916b..934e0a6b1011 100644 --- a/arch/mips/basler/excite/excite_irq.c +++ b/arch/mips/basler/excite/excite_irq.c @@ -50,10 +50,6 @@ void __init arch_init_irq(void) mips_cpu_irq_init(); rm7k_cpu_irq_init(); rm9k_cpu_irq_init(); - -#ifdef CONFIG_KGDB - excite_kgdb_init(); -#endif } asmlinkage void plat_irq_dispatch(void) @@ -90,9 +86,6 @@ asmlinkage void plat_irq_dispatch(void) msgint = msgintflags & msgintmask & (0x1 << (TITAN_MSGINT % 0x20)); if ((pending & (1 << TITAN_IRQ)) && msgint) { ocd_writel(msgint, INTP0Clear0 + (TITAN_MSGINT / 0x20 * 0x10)); -#if defined(CONFIG_KGDB) - excite_kgdb_inthdl(); -#endif do_IRQ(TITAN_IRQ); return; } diff --git a/arch/mips/basler/excite/excite_setup.c b/arch/mips/basler/excite/excite_setup.c index 6dd8f0d46d09..d66b3b8edf2a 100644 --- a/arch/mips/basler/excite/excite_setup.c +++ b/arch/mips/basler/excite/excite_setup.c @@ -95,13 +95,13 @@ static int __init excite_init_console(void) /* Take the DUART out of reset */ titan_writel(0x00ff1cff, CPRR); -#if defined(CONFIG_KGDB) || (CONFIG_SERIAL_8250_NR_UARTS > 1) +#if (CONFIG_SERIAL_8250_NR_UARTS > 1) /* Enable both ports */ titan_writel(MASK_SER0 | MASK_SER1, UACFG); #else /* Enable port #0 only */ titan_writel(MASK_SER0, UACFG); -#endif /* defined(CONFIG_KGDB) */ +#endif /* * Set up serial port #0. Do not use autodetection; the result is |