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-rw-r--r--arch/ppc/boards/pcm030/barebox.lds.S4
-rw-r--r--arch/ppc/lib/Makefile1
-rw-r--r--arch/ppc/lib/board.c9
-rw-r--r--arch/ppc/lib/interrupts.c133
-rw-r--r--arch/ppc/lib/ppclinux.c3
-rw-r--r--arch/ppc/mach-mpc5xxx/Makefile1
-rw-r--r--arch/ppc/mach-mpc5xxx/interrupts.c349
-rw-r--r--arch/ppc/mach-mpc5xxx/start.S9
8 files changed, 5 insertions, 504 deletions
diff --git a/arch/ppc/boards/pcm030/barebox.lds.S b/arch/ppc/boards/pcm030/barebox.lds.S
index 4aacfc5f12..7dda039dbb 100644
--- a/arch/ppc/boards/pcm030/barebox.lds.S
+++ b/arch/ppc/boards/pcm030/barebox.lds.S
@@ -102,6 +102,10 @@ SECTIONS
.barebox_cmd : { BAREBOX_CMDS }
__barebox_cmd_end = .;
+ __barebox_magicvar_start = .;
+ .barebox_magicvar : { BAREBOX_MAGICVARS }
+ __barebox_magicvar_end = .;
+
__barebox_initcalls_start = .;
.barebox_initcalls : { INITCALLS }
__barebox_initcalls_end = .;
diff --git a/arch/ppc/lib/Makefile b/arch/ppc/lib/Makefile
index c35fd08d49..b611ddf7ea 100644
--- a/arch/ppc/lib/Makefile
+++ b/arch/ppc/lib/Makefile
@@ -1,7 +1,6 @@
obj-y += bat_rw.o
obj-y += board.o
obj-y += extable.o
-obj-$(CONFIG_USE_IRQ) += interrupts.o
obj-y += kgdb.o
obj-y += ppcstring.o
obj-y += ticks.o
diff --git a/arch/ppc/lib/board.c b/arch/ppc/lib/board.c
index 82ba458fcc..0e839eb053 100644
--- a/arch/ppc/lib/board.c
+++ b/arch/ppc/lib/board.c
@@ -56,20 +56,13 @@ void board_init_r (ulong end_of_ram)
debug("malloc_end: 0x%08x\n", malloc_end);
debug("TEXT_BASE after relocation: 0x%08x\n", _text_base);
- mem_malloc_init((void *)(malloc_end - MALLOC_SIZE), (void *)malloc_end);
+ mem_malloc_init((void *)(malloc_end - MALLOC_SIZE), (void *)(malloc_end - 1));
/*
* Setup trap handlers
*/
trap_init (0);
- /*
- * Enable Interrupts
- */
-#ifdef CONFIG_USE_IRQ
- interrupt_init ();
-#endif
-
/* Initialization complete - start the monitor */
start_barebox();
diff --git a/arch/ppc/lib/interrupts.c b/arch/ppc/lib/interrupts.c
deleted file mode 100644
index 72ddf36459..0000000000
--- a/arch/ppc/lib/interrupts.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * (C) Copyright 2000-2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2003
- * Gleb Natapov <gnatapov@mrv.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <common.h>
-#include <asm/processor.h>
-#include <watchdog.h>
-#ifdef CONFIG_STATUS_LED
-#include <status_led.h>
-#endif
-
-#ifdef CONFIG_SHOW_ACTIVITY
- extern void board_show_activity (ulong);
-#endif /* CONFIG_SHOW_ACTIVITY */
-
-#ifndef CFG_WATCHDOG_FREQ
-#define CFG_WATCHDOG_FREQ (CFG_HZ / 2)
-#endif
-
-extern int interrupt_init_cpu (unsigned *);
-extern void timer_interrupt_cpu (struct pt_regs *);
-
-static unsigned decrementer_count; /* count value for 1e6/HZ microseconds */
-
-static __inline__ unsigned long get_msr (void)
-{
- unsigned long msr;
-
- asm volatile ("mfmsr %0":"=r" (msr):);
-
- return msr;
-}
-
-static __inline__ void set_msr (unsigned long msr)
-{
- asm volatile ("mtmsr %0"::"r" (msr));
-}
-
-static __inline__ unsigned long get_dec (void)
-{
- unsigned long val;
-
- asm volatile ("mfdec %0":"=r" (val):);
-
- return val;
-}
-
-
-static __inline__ void set_dec (unsigned long val)
-{
- if (val)
- asm volatile ("mtdec %0"::"r" (val));
-}
-
-
-void enable_interrupts (void)
-{
- set_msr (get_msr () | MSR_EE);
-}
-
-/* returns flag if MSR_EE was set before */
-int disable_interrupts (void)
-{
- ulong msr = get_msr ();
-
- set_msr (msr & ~MSR_EE);
- return ((msr & MSR_EE) != 0);
-}
-
-int interrupt_init (void)
-{
- int ret;
-
- /* call cpu specific function from $(CPU)/interrupts.c */
- ret = interrupt_init_cpu (&decrementer_count);
-
- if (ret)
- return ret;
-
- set_dec (decrementer_count);
-
- set_msr (get_msr () | MSR_EE);
-
- return (0);
-}
-
-static volatile ulong timestamp = 0;
-
-void timer_interrupt (struct pt_regs *regs)
-{
- /* call cpu specific function from $(CPU)/interrupts.c */
- timer_interrupt_cpu (regs);
-
- /* Restore Decrementer Count */
- set_dec (decrementer_count);
-
- timestamp++;
-
-#if defined(CONFIG_WATCHDOG) || defined (CONFIG_HW_WATCHDOG)
- if ((timestamp % (CFG_WATCHDOG_FREQ)) == 0)
- WATCHDOG_RESET ();
-#endif /* CONFIG_WATCHDOG || CONFIG_HW_WATCHDOG */
-
-#ifdef CONFIG_STATUS_LED
- status_led_tick (timestamp);
-#endif /* CONFIG_STATUS_LED */
-
-#ifdef CONFIG_SHOW_ACTIVITY
- board_show_activity (timestamp);
-#endif /* CONFIG_SHOW_ACTIVITY */
-}
diff --git a/arch/ppc/lib/ppclinux.c b/arch/ppc/lib/ppclinux.c
index 531c215817..471b3037fe 100644
--- a/arch/ppc/lib/ppclinux.c
+++ b/arch/ppc/lib/ppclinux.c
@@ -200,9 +200,6 @@ static int do_bootm_linux(struct image_data *idata)
kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))image_get_ep(os_header); /* FIXME */
- if (relocate_image(idata->os, (void *)image_get_load(os_header)))
- return -1;
-
#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
unlock_ram_in_cache();
#endif
diff --git a/arch/ppc/mach-mpc5xxx/Makefile b/arch/ppc/mach-mpc5xxx/Makefile
index e07062cb29..be68c995c5 100644
--- a/arch/ppc/mach-mpc5xxx/Makefile
+++ b/arch/ppc/mach-mpc5xxx/Makefile
@@ -5,7 +5,6 @@ obj-y += speed.o
obj-y += traps.o
extra-y += start.o
obj-$(CONFIG_MPC5200) += firmware_sc_task_bestcomm.impl.o
-obj-$(CONFIG_USE_IRQ) += interrupts.o
obj-$(CONFIG_REGINFO) += reginfo.o
#obj-y += firmware_sc_task.impl.o
diff --git a/arch/ppc/mach-mpc5xxx/interrupts.c b/arch/ppc/mach-mpc5xxx/interrupts.c
deleted file mode 100644
index 4838bc5f70..0000000000
--- a/arch/ppc/mach-mpc5xxx/interrupts.c
+++ /dev/null
@@ -1,349 +0,0 @@
-/*
- * (C) Copyright 2006
- * Detlev Zundel, DENX Software Engineering, dzu@denx.de
- *
- * (C) Copyright -2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2001
- * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-/* this section was ripped out of arch/ppc/syslib/mpc52xx_pic.c in the
- * Linux 2.6 source with the following copyright.
- *
- * Based on (well, mostly copied from) the code from the 2.4 kernel by
- * Dale Farnsworth <dfarnsworth@mvista.com> and Kent Borg.
- *
- * Copyright (C) 2004 Sylvain Munaut <tnt@246tNt.com>
- * Copyright (C) 2003 Montavista Software, Inc
- */
-
-#include <common.h>
-#include <asm/processor.h>
-#include <io.h>
-#include <command.h>
-#include <mach/sdma.h>
-#include <asm/bitops.h>
-#include <mach/clocks.h>
-
-struct irq_action {
- interrupt_handler_t *handler;
- void *arg;
- ulong count;
-};
-
-static struct irq_action irq_handlers[NR_IRQS];
-
-static struct mpc5xxx_intr *intr;
-static struct mpc5xxx_sdma *sdma;
-
-static void mpc5xxx_ic_disable(unsigned int irq)
-{
- u32 val;
-
- if (irq == MPC5XXX_IRQ0) {
- val = in_be32(&intr->ctrl);
- val &= ~(1 << 11);
- out_be32(&intr->ctrl, val);
- } else if (irq < MPC5XXX_IRQ1) {
- BUG();
- } else if (irq <= MPC5XXX_IRQ3) {
- val = in_be32(&intr->ctrl);
- val &= ~(1 << (10 - (irq - MPC5XXX_IRQ1)));
- out_be32(&intr->ctrl, val);
- } else if (irq < MPC5XXX_SDMA_IRQ_BASE) {
- val = in_be32(&intr->main_mask);
- val |= 1 << (16 - (irq - MPC5XXX_MAIN_IRQ_BASE));
- out_be32(&intr->main_mask, val);
- } else if (irq < MPC5XXX_PERP_IRQ_BASE) {
- val = in_be32(&sdma->IntMask);
- val |= 1 << (irq - MPC5XXX_SDMA_IRQ_BASE);
- out_be32(&sdma->IntMask, val);
- } else {
- val = in_be32(&intr->per_mask);
- val |= 1 << (31 - (irq - MPC5XXX_PERP_IRQ_BASE));
- out_be32(&intr->per_mask, val);
- }
-}
-
-static void mpc5xxx_ic_enable(unsigned int irq)
-{
- u32 val;
-
- if (irq == MPC5XXX_IRQ0) {
- val = in_be32(&intr->ctrl);
- val |= 1 << 11;
- out_be32(&intr->ctrl, val);
- } else if (irq < MPC5XXX_IRQ1) {
- BUG();
- } else if (irq <= MPC5XXX_IRQ3) {
- val = in_be32(&intr->ctrl);
- val |= 1 << (10 - (irq - MPC5XXX_IRQ1));
- out_be32(&intr->ctrl, val);
- } else if (irq < MPC5XXX_SDMA_IRQ_BASE) {
- val = in_be32(&intr->main_mask);
- val &= ~(1 << (16 - (irq - MPC5XXX_MAIN_IRQ_BASE)));
- out_be32(&intr->main_mask, val);
- } else if (irq < MPC5XXX_PERP_IRQ_BASE) {
- val = in_be32(&sdma->IntMask);
- val &= ~(1 << (irq - MPC5XXX_SDMA_IRQ_BASE));
- out_be32(&sdma->IntMask, val);
- } else {
- val = in_be32(&intr->per_mask);
- val &= ~(1 << (31 - (irq - MPC5XXX_PERP_IRQ_BASE)));
- out_be32(&intr->per_mask, val);
- }
-}
-
-static void mpc5xxx_ic_ack(unsigned int irq)
-{
- u32 val;
-
- /*
- * Only some irqs are reset here, others in interrupting hardware.
- */
-
- switch (irq) {
- case MPC5XXX_IRQ0:
- val = in_be32(&intr->ctrl);
- val |= 0x08000000;
- out_be32(&intr->ctrl, val);
- break;
- case MPC5XXX_CCS_IRQ:
- val = in_be32(&intr->enc_status);
- val |= 0x00000400;
- out_be32(&intr->enc_status, val);
- break;
- case MPC5XXX_IRQ1:
- val = in_be32(&intr->ctrl);
- val |= 0x04000000;
- out_be32(&intr->ctrl, val);
- break;
- case MPC5XXX_IRQ2:
- val = in_be32(&intr->ctrl);
- val |= 0x02000000;
- out_be32(&intr->ctrl, val);
- break;
- case MPC5XXX_IRQ3:
- val = in_be32(&intr->ctrl);
- val |= 0x01000000;
- out_be32(&intr->ctrl, val);
- break;
- default:
- if (irq >= MPC5XXX_SDMA_IRQ_BASE
- && irq < (MPC5XXX_SDMA_IRQ_BASE + MPC5XXX_SDMA_IRQ_NUM)) {
- out_be32(&sdma->IntPend,
- 1 << (irq - MPC5XXX_SDMA_IRQ_BASE));
- }
- break;
- }
-}
-
-static void mpc5xxx_ic_disable_and_ack(unsigned int irq)
-{
- mpc5xxx_ic_disable(irq);
- mpc5xxx_ic_ack(irq);
-}
-
-static void mpc5xxx_ic_end(unsigned int irq)
-{
- mpc5xxx_ic_enable(irq);
-}
-
-void mpc5xxx_init_irq(void)
-{
- u32 intr_ctrl;
-
- /* Remap the necessary zones */
- intr = (struct mpc5xxx_intr *)(MPC5XXX_ICTL);
- sdma = (struct mpc5xxx_sdma *)(MPC5XXX_SDMA);
-
- /* Disable all interrupt sources. */
- out_be32(&sdma->IntPend, 0xffffffff); /* 1 means clear pending */
- out_be32(&sdma->IntMask, 0xffffffff); /* 1 means disabled */
- out_be32(&intr->per_mask, 0x7ffffc00); /* 1 means disabled */
- out_be32(&intr->main_mask, 0x00010fff); /* 1 means disabled */
- intr_ctrl = in_be32(&intr->ctrl);
- intr_ctrl |= 0x0f000000 | /* clear IRQ 0-3 */
- 0x00ff0000 | /* IRQ 0-3 level sensitive low active */
- 0x00001000 | /* MEE master external enable */
- 0x00000000 | /* 0 means disable IRQ 0-3 */
- 0x00000001; /* CEb route critical normally */
- out_be32(&intr->ctrl, intr_ctrl);
-
- /* Zero a bunch of the priority settings. */
- out_be32(&intr->per_pri1, 0);
- out_be32(&intr->per_pri2, 0);
- out_be32(&intr->per_pri3, 0);
- out_be32(&intr->main_pri1, 0);
- out_be32(&intr->main_pri2, 0);
-}
-
-int mpc5xxx_get_irq(struct pt_regs *regs)
-{
- u32 status;
- int irq = -1;
-
- status = in_be32(&intr->enc_status);
-
- if (status & 0x00000400) { /* critical */
- irq = (status >> 8) & 0x3;
- if (irq == 2) /* high priority peripheral */
- goto peripheral;
- irq += MPC5XXX_CRIT_IRQ_BASE;
- } else if (status & 0x00200000) { /* main */
- irq = (status >> 16) & 0x1f;
- if (irq == 4) /* low priority peripheral */
- goto peripheral;
- irq += MPC5XXX_MAIN_IRQ_BASE;
- } else if (status & 0x20000000) { /* peripheral */
- peripheral:
- irq = (status >> 24) & 0x1f;
- if (irq == 0) { /* bestcomm */
- status = in_be32(&sdma->IntPend);
- irq = ffs(status) + MPC5XXX_SDMA_IRQ_BASE - 1;
- } else
- irq += MPC5XXX_PERP_IRQ_BASE;
- }
-
- return irq;
-}
-
-/****************************************************************************/
-
-int interrupt_init_cpu(ulong * decrementer_count)
-{
- *decrementer_count = get_timebase_clock() / 1000;
-
- mpc5xxx_init_irq();
-
- return 0;
-}
-
-/****************************************************************************/
-
-/*
- * Handle external interrupts
- */
-void external_interrupt(struct pt_regs *regs)
-{
- int irq, unmask = 1;
-
- irq = mpc5xxx_get_irq(regs);
-
- mpc5xxx_ic_disable_and_ack(irq);
-
- enable_interrupts();
-
- if (irq_handlers[irq].handler != NULL)
- (*irq_handlers[irq].handler) (irq_handlers[irq].arg);
- else {
- printf("\nBogus External Interrupt IRQ %d\n", irq);
- /*
- * turn off the bogus interrupt, otherwise it
- * might repeat forever
- */
- unmask = 0;
- }
-
- if (unmask)
- mpc5xxx_ic_end(irq);
-}
-
-void timer_interrupt_cpu(struct pt_regs *regs)
-{
- /* nothing to do here */
- return;
-}
-
-/****************************************************************************/
-
-/*
- * Install and free a interrupt handler.
- */
-
-void irq_install_handler(int irq, interrupt_handler_t * handler, void *arg)
-{
- if (irq < 0 || irq >= NR_IRQS) {
- printf("irq_install_handler: bad irq number %d\n", irq);
- return;
- }
-
- if (irq_handlers[irq].handler != NULL)
- printf("irq_install_handler: 0x%08lx replacing 0x%08lx\n",
- (ulong) handler, (ulong) irq_handlers[irq].handler);
-
- irq_handlers[irq].handler = handler;
- irq_handlers[irq].arg = arg;
-
- mpc5xxx_ic_enable(irq);
-}
-
-void irq_free_handler(int irq)
-{
- if (irq < 0 || irq >= NR_IRQS) {
- printf("irq_free_handler: bad irq number %d\n", irq);
- return;
- }
-
- mpc5xxx_ic_disable(irq);
-
- irq_handlers[irq].handler = NULL;
- irq_handlers[irq].arg = NULL;
-}
-
-/****************************************************************************/
-
-#if (CONFIG_COMMANDS & CFG_CMD_IRQ)
-void do_irqinfo(struct command * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
-{
- int irq, re_enable;
- u32 intr_ctrl;
- char *irq_config[] = { "level sensitive, active high",
- "edge sensitive, rising active edge",
- "edge sensitive, falling active edge",
- "level sensitive, active low"
- };
-
- re_enable = disable_interrupts();
-
- intr_ctrl = in_be32(&intr->ctrl);
- printf("Interrupt configuration:\n");
-
- for (irq = 0; irq <= 3; irq++) {
- printf("IRQ%d: %s\n", irq,
- irq_config[(intr_ctrl >> (22 - 2 * irq)) & 0x3]);
- }
-
- puts("\nInterrupt-Information:\n" "Nr Routine Arg Count\n");
-
- for (irq = 0; irq < NR_IRQS; irq++)
- if (irq_handlers[irq].handler != NULL)
- printf("%02d %08lx %08lx %ld\n", irq,
- (ulong) irq_handlers[irq].handler,
- (ulong) irq_handlers[irq].arg,
- irq_handlers[irq].count);
-
- if (re_enable)
- enable_interrupts();
-}
-#endif
diff --git a/arch/ppc/mach-mpc5xxx/start.S b/arch/ppc/mach-mpc5xxx/start.S
index dc53c8a226..7a4c16bb87 100644
--- a/arch/ppc/mach-mpc5xxx/start.S
+++ b/arch/ppc/mach-mpc5xxx/start.S
@@ -140,11 +140,6 @@ _start_of_vectors:
/* Instruction Storage exception. */
STD_EXCEPTION(0x400, InstStorage, UnknownException)
-/* External Interrupt exception. */
-#ifdef CONFIG_USE_IRQ
- STD_EXCEPTION(0x500, ExtInterrupt, external_interrupt)
-#endif
-
/* Alignment exception. */
. = 0x600
Alignment:
@@ -184,11 +179,7 @@ ProgramCheck:
/* I guess we could implement decrementer, and may have
* to someday for timekeeping.
*/
-#ifdef CONFIG_USE_IRQ
- STD_EXCEPTION(0x900, Decrementer, timer_interrupt)
-#else
STD_EXCEPTION(0x900, Decrementer, UnknownException)
-#endif
STD_EXCEPTION(0xa00, Trap_0a, UnknownException)
STD_EXCEPTION(0xb00, Trap_0b, UnknownException)
STD_EXCEPTION(0xc00, SystemCall, UnknownException)
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-28 16:09:22 +0000