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-rw-r--r--cpu/mpc86xx/Makefile3
-rw-r--r--cpu/mpc86xx/cpu.c8
-rw-r--r--cpu/mpc86xx/cpu_init.c7
-rw-r--r--cpu/mpc86xx/interrupts.c55
-rw-r--r--cpu/mpc86xx/pci.c146
-rw-r--r--cpu/mpc86xx/pcie_indirect.c199
-rw-r--r--cpu/mpc86xx/resetvec.S2
-rw-r--r--cpu/mpc86xx/speed.c2
-rw-r--r--cpu/mpc86xx/start.S89
-rw-r--r--cpu/mpc86xx/traps.c24
10 files changed, 72 insertions, 463 deletions
diff --git a/cpu/mpc86xx/Makefile b/cpu/mpc86xx/Makefile
index fffcfd2..6d9300e 100644
--- a/cpu/mpc86xx/Makefile
+++ b/cpu/mpc86xx/Makefile
@@ -1,4 +1,5 @@
#
+# Copyright 2007 Freescale Semiconductor, Inc.
# (C) Copyright 2002,2003 Motorola Inc.
# Xianghua Xiao,X.Xiao@motorola.com
#
@@ -30,7 +31,7 @@ LIB = $(obj)lib$(CPU).a
START = start.o #resetvec.o
SOBJS = cache.o
COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o \
- pci.o pcie_indirect.o spd_sdram.o
+ spd_sdram.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/mpc86xx/cpu.c b/cpu/mpc86xx/cpu.c
index a33acfe..9456471 100644
--- a/cpu/mpc86xx/cpu.c
+++ b/cpu/mpc86xx/cpu.c
@@ -278,7 +278,7 @@ ft_cpu_setup(void *blob, bd_t *bd)
if (p != NULL)
*p = cpu_to_be32(clock);
-#if defined(CONFIG_MPC86XX_TSEC1)
+#if defined(CONFIG_TSEC1)
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/mac-address", &len);
if (p != NULL)
memcpy(p, bd->bi_enetaddr, 6);
@@ -287,7 +287,7 @@ ft_cpu_setup(void *blob, bd_t *bd)
memcpy(p, bd->bi_enetaddr, 6);
#endif
-#if defined(CONFIG_MPC86XX_TSEC2)
+#if defined(CONFIG_TSEC2)
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/mac-address", &len);
if (p != NULL)
memcpy(p, bd->bi_enet1addr, 6);
@@ -296,7 +296,7 @@ ft_cpu_setup(void *blob, bd_t *bd)
memcpy(p, bd->bi_enet1addr, 6);
#endif
-#if defined(CONFIG_MPC86XX_TSEC3)
+#if defined(CONFIG_TSEC3)
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@26000/mac-address", &len);
if (p != NULL)
memcpy(p, bd->bi_enet2addr, 6);
@@ -305,7 +305,7 @@ ft_cpu_setup(void *blob, bd_t *bd)
memcpy(p, bd->bi_enet2addr, 6);
#endif
-#if defined(CONFIG_MPC86XX_TSEC4)
+#if defined(CONFIG_TSEC4)
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@27000/mac-address", &len);
if (p != NULL)
memcpy(p, bd->bi_enet3addr, 6);
diff --git a/cpu/mpc86xx/cpu_init.c b/cpu/mpc86xx/cpu_init.c
index 4673d05..4f8956e 100644
--- a/cpu/mpc86xx/cpu_init.c
+++ b/cpu/mpc86xx/cpu_init.c
@@ -29,6 +29,8 @@
#include <common.h>
#include <mpc86xx.h>
+DECLARE_GLOBAL_DATA_PTR;
+
/*
* Breathe some life into the CPU...
*
@@ -38,7 +40,6 @@
void cpu_init_f(void)
{
- DECLARE_GLOBAL_DATA_PTR;
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_lbc_t *memctl = &immap->im_lbc;
@@ -104,8 +105,8 @@ void cpu_init_f(void)
/* enable the timebase bit in HID0 */
set_hid0(get_hid0() | 0x4000000);
- /* enable SYNCBE | ABE bits in HID1 */
- set_hid1(get_hid1() | 0x00000C00);
+ /* enable EMCP, SYNCBE | ABE bits in HID1 */
+ set_hid1(get_hid1() | 0x80000C00);
}
/*
diff --git a/cpu/mpc86xx/interrupts.c b/cpu/mpc86xx/interrupts.c
index 49820bb..d9f634f 100644
--- a/cpu/mpc86xx/interrupts.c
+++ b/cpu/mpc86xx/interrupts.c
@@ -8,7 +8,7 @@
* (C) Copyright 2003 Motorola Inc. (MPC85xx port)
* Xianghua Xiao (X.Xiao@motorola.com)
*
- * (C) Copyright 2004 Freescale Semiconductor. (MPC86xx Port)
+ * (C) Copyright 2004, 2007 Freescale Semiconductor. (MPC86xx Port)
* Jeff Brown
* Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
*
@@ -71,7 +71,7 @@ static __inline__ void set_dec(unsigned long val)
}
/* interrupt is not supported yet */
-int interrupt_init_cpu(unsigned *decrementer_count)
+int interrupt_init_cpu(unsigned long *decrementer_count)
{
return 0;
}
@@ -80,25 +80,10 @@ int interrupt_init(void)
{
int ret;
- /*
- * The IRQ0 on Rev 2 is pulled high (low in Rev 1.x) to
- * implement PEX10 errata. As INT is active high, it
- * will cause core to take 0x500 interrupt.
- *
- * Due to the PIC's default pass through mode, as soon
- * as interrupts are enabled (MSR[EE] = 1), an interrupt
- * will be taken and u-boot will hang. This is due to a
- * hardware change (per an errata fix) on new revisions
- * of the board with Rev 2.x parts.
- *
- * Setting the PIC to mixed mode prevents the hang.
- */
- if ((get_svr() & 0xf0) == 0x20) {
- volatile immap_t *immr = (immap_t *)CFG_IMMR;
- immr->im_pic.gcr = MPC86xx_PICGCR_RST;
- while (immr->im_pic.gcr & MPC86xx_PICGCR_RST);
- immr->im_pic.gcr = MPC86xx_PICGCR_MODE;
- }
+ volatile immap_t *immr = (immap_t *)CFG_IMMR;
+ immr->im_pic.gcr = MPC86xx_PICGCR_RST;
+ while (immr->im_pic.gcr & MPC86xx_PICGCR_RST);
+ immr->im_pic.gcr = MPC86xx_PICGCR_MODE;
/* call cpu specific function from $(CPU)/interrupts.c */
ret = interrupt_init_cpu(&decrementer_count);
@@ -107,7 +92,7 @@ int interrupt_init(void)
return ret;
decrementer_count = get_tbclk() / CFG_HZ;
- debug("interrupt init: tbclk() = %d MHz, decrementer_count = %d\n",
+ debug("interrupt init: tbclk() = %d MHz, decrementer_count = %ld\n",
(get_tbclk() / 1000000),
decrementer_count);
@@ -119,6 +104,30 @@ int interrupt_init(void)
get_msr(),
get_dec());
+#ifdef CONFIG_INTERRUPTS
+ volatile ccsr_pic_t *pic = &immr->im_pic;
+
+ pic->iivpr1 = 0x810001; /* 50220 enable mcm interrupts */
+ debug("iivpr1@%x = %x\n", &pic->iivpr1, pic->iivpr1);
+
+ pic->iivpr2 = 0x810002; /* 50240 enable ddr interrupts */
+ debug("iivpr2@%x = %x\n", &pic->iivpr2, pic->iivpr2);
+
+ pic->iivpr3 = 0x810003; /* 50260 enable lbc interrupts */
+ debug("iivpr3@%x = %x\n", &pic->iivpr3, pic->iivpr3);
+
+#if defined(CONFIG_PCI1) || defined(CONFIG_PCIE1)
+ pic->iivpr8 = 0x810008; /* enable pcie1 interrupts */
+ debug("iivpr8@%x = %x\n", &pic->iivpr8, pic->iivpr8);
+#endif
+#if defined(CONFIG_PCI2) || defined(CONFIG_PCIE2)
+ pic->iivpr9 = 0x810009; /* enable pcie2 interrupts */
+ debug("iivpr9@%x = %x\n", &pic->iivpr9, pic->iivpr9);
+#endif
+
+ pic->ctpr = 0; /* 40080 clear current task priority register */
+#endif
+
return 0;
}
@@ -158,8 +167,6 @@ void timer_interrupt(struct pt_regs *regs)
timestamp++;
- ppcDcbf(&timestamp);
-
/* Restore Decrementer Count */
set_dec(decrementer_count);
diff --git a/cpu/mpc86xx/pci.c b/cpu/mpc86xx/pci.c
deleted file mode 100644
index b86548d..0000000
--- a/cpu/mpc86xx/pci.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * Copyright (C) Freescale Semiconductor,Inc.
- * 2005, 2006. All rights reserved.
- *
- * Ed Swarthout (ed.swarthout@freescale.com)
- * Jason Jin (Jason.jin@freescale.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
- */
-
-/*
- * PCIE Configuration space access support for PCIE Bridge
- */
-#include <common.h>
-#include <pci.h>
-
-#if defined(CONFIG_PCI)
-void
-pci_mpc86xx_init(struct pci_controller *hose)
-{
- volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
- volatile ccsr_pex_t *pcie1 = &immap->im_pex1;
- u16 temp16;
- u32 temp32;
-
- volatile ccsr_gur_t *gur = &immap->im_gur;
- uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
- uint pcie1_host = (host1_agent == 2) || (host1_agent == 3);
- uint pcie1_agent = (host1_agent == 0) || (host1_agent == 1);
- uint devdisr = gur->devdisr;
- uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
-
- if ((io_sel == 2 || io_sel == 3 || io_sel == 5 || io_sel == 6 ||
- io_sel == 7 || io_sel == 0xf)
- && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
- printf("PCI-EXPRESS 1: Configured as %s \n",
- pcie1_agent ? "Agent" : "Host");
- if (pcie1_agent)
- return; /*Don't scan bus when configured as agent */
- printf(" Scanning PCIE bus");
- debug("0x%08x=0x%08x ",
- &pcie1->pme_msg_det,
- pcie1->pme_msg_det);
- if (pcie1->pme_msg_det) {
- pcie1->pme_msg_det = 0xffffffff;
- debug(" with errors. Clearing. Now 0x%08x",
- pcie1->pme_msg_det);
- }
- debug("\n");
- } else {
- printf("PCI-EXPRESS 1 disabled!\n");
- return;
- }
-
- /*
- * Set first_bus=0 only skipped B0:D0:F0 which is
- * a reserved device in M1575, but make it easy for
- * most of the scan process.
- */
- hose->first_busno = 0x00;
- hose->last_busno = 0xfe;
-
- pcie_setup_indirect(hose, (CFG_IMMR + 0x8000), (CFG_IMMR + 0x8004));
-
- pci_hose_read_config_word(hose,
- PCI_BDF(0, 0, 0), PCI_COMMAND, &temp16);
- temp16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER |
- PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
- pci_hose_write_config_word(hose,
- PCI_BDF(0, 0, 0), PCI_COMMAND, temp16);
-
- pci_hose_write_config_word(hose, PCI_BDF(0, 0, 0), PCI_STATUS, 0xffff);
- pci_hose_write_config_byte(hose,
- PCI_BDF(0, 0, 0), PCI_LATENCY_TIMER, 0x80);
-
- pci_hose_read_config_dword(hose, PCI_BDF(0, 0, 0), PCI_PRIMARY_BUS,
- &temp32);
- temp32 = (temp32 & 0xff000000) | (0xff) | (0x0 << 8) | (0xfe << 16);
- pci_hose_write_config_dword(hose, PCI_BDF(0, 0, 0), PCI_PRIMARY_BUS,
- temp32);
-
- pcie1->powar1 = 0;
- pcie1->powar2 = 0;
- pcie1->piwar1 = 0;
- pcie1->piwar1 = 0;
-
- pcie1->powbar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
- pcie1->powar1 = 0x8004401c; /* 512M MEM space */
- pcie1->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
- pcie1->potear1 = 0x00000000;
-
- pcie1->powbar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff;
- pcie1->powar2 = 0x80088017; /* 16M IO space */
- pcie1->potar2 = 0x00000000;
- pcie1->potear2 = 0x00000000;
-
- pcie1->pitar1 = 0x00000000;
- pcie1->piwbar1 = 0x00000000;
- /* Enable, Prefetch, Local Mem, * Snoop R/W, 2G */
- pcie1->piwar1 = 0xa0f5501e;
-
- pci_set_region(hose->regions + 0,
- CFG_PCI_MEMORY_BUS,
- CFG_PCI_MEMORY_PHYS,
- CFG_PCI_MEMORY_SIZE,
- PCI_REGION_MEM | PCI_REGION_MEMORY);
-
- pci_set_region(hose->regions + 1,
- CFG_PCI1_MEM_BASE,
- CFG_PCI1_MEM_PHYS,
- CFG_PCI1_MEM_SIZE,
- PCI_REGION_MEM);
-
- pci_set_region(hose->regions + 2,
- CFG_PCI1_IO_BASE,
- CFG_PCI1_IO_PHYS,
- CFG_PCI1_IO_SIZE,
- PCI_REGION_IO);
-
- hose->region_count = 3;
-
- pci_register_hose(hose);
-
- hose->last_busno = pci_hose_scan(hose);
- debug("pcie_mpc86xx_init: last_busno %x\n", hose->last_busno);
- debug("pcie_mpc86xx init: current_busno %x\n ", hose->current_busno);
-
- printf("....PCIE1 scan & enumeration done\n");
-}
-#endif /* CONFIG_PCI */
diff --git a/cpu/mpc86xx/pcie_indirect.c b/cpu/mpc86xx/pcie_indirect.c
deleted file mode 100644
index b00ad76..0000000
--- a/cpu/mpc86xx/pcie_indirect.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * Support for indirect PCI bridges.
- *
- * Copyright (c) Freescale Semiconductor, Inc.
- * 2006. All rights reserved.
- *
- * Jason Jin <Jason.jin@freescale.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.
- *
- * partly derived from
- * arch/powerpc/platforms/86xx/mpc86xx_pcie.c
- */
-
-#include <common.h>
-
-#ifdef CONFIG_PCI
-
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <pci.h>
-
-#define PCI_CFG_OUT out_be32
-#define PEX_FIX out_be32(hose->cfg_addr+0x4, 0x0400ffff)
-
-static int
-indirect_read_config_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- int len,
- u32 *val)
-{
- int bus = PCI_BUS(dev);
-
- volatile unsigned char *cfg_data;
- u32 temp;
-
- PEX_FIX;
- if (bus == 0xff) {
- PCI_CFG_OUT(hose->cfg_addr,
- dev | (offset & 0xfc) | 0x80000001);
- } else {
- PCI_CFG_OUT(hose->cfg_addr,
- dev | (offset & 0xfc) | 0x80000000);
- }
- /*
- * Note: the caller has already checked that offset is
- * suitably aligned and that len is 1, 2 or 4.
- */
- /* ERRATA PCI-Ex 12 - Configuration Address/Data Alignment */
- cfg_data = hose->cfg_data;
- PEX_FIX;
- temp = in_le32((u32 *) cfg_data);
- switch (len) {
- case 1:
- *val = (temp >> (((offset & 3)) * 8)) & 0xff;
- break;
- case 2:
- *val = (temp >> (((offset & 3)) * 8)) & 0xffff;
- break;
- default:
- *val = temp;
- break;
- }
-
- return 0;
-}
-
-static int
-indirect_write_config_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- int len,
- u32 val)
-{
- int bus = PCI_BUS(dev);
- volatile unsigned char *cfg_data;
- u32 temp;
-
- PEX_FIX;
- if (bus == 0xff) {
- PCI_CFG_OUT(hose->cfg_addr,
- dev | (offset & 0xfc) | 0x80000001);
- } else {
- PCI_CFG_OUT(hose->cfg_addr,
- dev | (offset & 0xfc) | 0x80000000);
- }
-
- /*
- * Note: the caller has already checked that offset is
- * suitably aligned and that len is 1, 2 or 4.
- */
- /* ERRATA PCI-Ex 12 - Configuration Address/Data Alignment */
- cfg_data = hose->cfg_data;
- switch (len) {
- case 1:
- PEX_FIX;
- temp = in_le32((u32 *) cfg_data);
- temp = (temp & ~(0xff << ((offset & 3) * 8))) |
- (val << ((offset & 3) * 8));
- PEX_FIX;
- out_le32((u32 *) cfg_data, temp);
- break;
- case 2:
- PEX_FIX;
- temp = in_le32((u32 *) cfg_data);
- temp = (temp & ~(0xffff << ((offset & 3) * 8)));
- temp |= (val << ((offset & 3) * 8));
- PEX_FIX;
- out_le32((u32 *) cfg_data, temp);
- break;
- default:
- PEX_FIX;
- out_le32((u32 *) cfg_data, val);
- break;
- }
- PEX_FIX;
- return 0;
-}
-
-static int
-indirect_read_config_byte_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- u8 *val)
-{
- u32 val32;
- indirect_read_config_pcie(hose, dev, offset, 1, &val32);
- *val = (u8) val32;
- return 0;
-}
-
-static int
-indirect_read_config_word_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- u16 *val)
-{
- u32 val32;
- indirect_read_config_pcie(hose, dev, offset, 2, &val32);
- *val = (u16) val32;
- return 0;
-}
-
-static int
-indirect_read_config_dword_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- u32 *val)
-{
- return indirect_read_config_pcie(hose, dev, offset, 4, val);
-}
-
-static int
-indirect_write_config_byte_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- u8 val)
-{
- return indirect_write_config_pcie(hose, dev, offset, 1, (u32) val);
-}
-
-static int
-indirect_write_config_word_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- unsigned short val)
-{
- return indirect_write_config_pcie(hose, dev, offset, 2, (u32) val);
-}
-
-static int
-indirect_write_config_dword_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- u32 val)
-{
- return indirect_write_config_pcie(hose, dev, offset, 4, val);
-}
-
-void
-pcie_setup_indirect(struct pci_controller *hose, u32 cfg_addr, u32 cfg_data)
-{
- pci_set_ops(hose,
- indirect_read_config_byte_pcie,
- indirect_read_config_word_pcie,
- indirect_read_config_dword_pcie,
- indirect_write_config_byte_pcie,
- indirect_write_config_word_pcie,
- indirect_write_config_dword_pcie);
-
- hose->cfg_addr = (unsigned int *)cfg_addr;
- hose->cfg_data = (unsigned char *)cfg_data;
-}
-
-#endif /* CONFIG_PCI */
diff --git a/cpu/mpc86xx/resetvec.S b/cpu/mpc86xx/resetvec.S
deleted file mode 100644
index 9a552f6..0000000
--- a/cpu/mpc86xx/resetvec.S
+++ /dev/null
@@ -1,2 +0,0 @@
- .section .resetvec,"ax"
- b _start
diff --git a/cpu/mpc86xx/speed.c b/cpu/mpc86xx/speed.c
index 312ca12..23161ca 100644
--- a/cpu/mpc86xx/speed.c
+++ b/cpu/mpc86xx/speed.c
@@ -29,6 +29,7 @@
#include <mpc86xx.h>
#include <asm/processor.h>
+DECLARE_GLOBAL_DATA_PTR;
void get_sys_info(sys_info_t *sysInfo)
{
@@ -96,7 +97,6 @@ void get_sys_info(sys_info_t *sysInfo)
int get_clocks(void)
{
- DECLARE_GLOBAL_DATA_PTR;
sys_info_t sys_info;
get_sys_info(&sys_info);
diff --git a/cpu/mpc86xx/start.S b/cpu/mpc86xx/start.S
index 67c56db..c83310a 100644
--- a/cpu/mpc86xx/start.S
+++ b/cpu/mpc86xx/start.S
@@ -1,5 +1,5 @@
/*
- * Copyright 2004 Freescale Semiconductor.
+ * Copyright 2004, 2007 Freescale Semiconductor.
* Srikanth Srinivasan <srikanth.srinivaan@freescale.com>
*
* See file CREDITS for list of people who contributed to this
@@ -44,11 +44,9 @@
#define CONFIG_IDENT_STRING ""
#endif
-/* We don't want the MMU yet.
-*/
-#undef MSR_KERNEL
-/* Machine Check and Recoverable Interr. */
-#define MSR_KERNEL ( MSR_ME | MSR_RI )
+/*
+ * Need MSR_DR | MSR_IR enabled to access I/O (printf) in exceptions
+ */
/*
* Set up GOT: Global Offset Table
@@ -116,7 +114,7 @@ _start_of_vectors:
/* Alignment exception. */
. = 0x600
Alignment:
- EXCEPTION_PROLOG
+ EXCEPTION_PROLOG(SRR0, SRR1)
mfspr r4,DAR
stw r4,_DAR(r21)
mfspr r5,DSISR
@@ -134,7 +132,7 @@ Alignment:
/* Program check exception */
. = 0x700
ProgramCheck:
- EXCEPTION_PROLOG
+ EXCEPTION_PROLOG(SRR0, SRR1)
addi r3,r1,STACK_FRAME_OVERHEAD
li r20,MSR_KERNEL
rlwimi r20,r23,0,16,16 /* copy EE bit from saved MSR */
@@ -195,17 +193,21 @@ boot_warm:
bl secondary_cpu_setup
#endif
+1:
+#ifdef CFG_RAMBOOT
/* disable everything */
-1: li r0, 0
+ li r0, 0
mtspr HID0, r0
sync
mtmsr 0
+#endif
+
bl invalidate_bats
sync
#ifdef CFG_L2
/* init the L2 cache */
- addis r3, r0, L2_INIT@h
+ lis r3, L2_INIT@h
ori r3, r3, L2_INIT@l
mtspr l2cr, r3
/* invalidate the L2 cache */
@@ -241,69 +243,9 @@ in_flash:
bl setup_ccsrbar
#endif
-
- /* -- MPC8641 Rev 1.0 MCM Errata fixups -- */
-
- /* skip fixups if not Rev 1.0 */
- mfspr r4, SVR
- rlwinm r4,r4,0,24,31
- cmpwi r4,0x10
- bne 1f
-
- lis r3,MCM_ABCR@ha
- lwz r4,MCM_ABCR@l(r3) /* ABCR -> r4 */
-
- /* set ABCR[A_STRM_CNT] = 0 */
- rlwinm r4,r4,0,0,29
-
- /* set ABCR[ARB_POLICY] to 0x1 (round-robin) */
- addi r0,r0,1
- rlwimi r4,r0,12,18,19
-
- stw r4,MCM_ABCR@l(r3) /* r4 -> ABCR */
- sync
-
- /* Set DBCR[ERD_DIS] */
- lis r3,MCM_DBCR@ha
- lwz r4,MCM_DBCR@l(r3)
- oris r4, r4, 0x4000
- stw r4,MCM_DBCR@l(r3)
- sync
-1:
/* setup the law entries */
bl law_entry
sync
-
-
-#if (EMULATOR_RUN == 1)
- /* On the emulator we want to adjust these ASAP */
- /* otherwise things are sloooow */
- /* Setup OR0 (LALE FIX)*/
- lis r3, CFG_CCSRBAR@h
- ori r3, r3, 0x5004
- li r4, 0x0FF3
- stw r4, 0(r3)
- sync
-
- /* Setup LCRR */
- lis r3, CFG_CCSRBAR@h
- ori r3, r3, 0x50D4
- lis r4, 0x8000
- ori r4, r4, 0x0002
- stw r4, 0(r3)
- sync
-#endif
-#if 1
- /* make sure timer enabled in guts register too */
- lis r3, CFG_CCSRBAR@h
- oris r3,r3, 0xE
- ori r3,r3,0x0070
- lwz r4, 0(r3)
- lis r5,0xFFFC
- ori r5,r5,0x5FFF
- and r4,r4,r5
- stw r4,0(r3)
-#endif
/*
* Cache must be enabled here for stack-in-cache trick.
* This means we need to enable the BATS.
@@ -346,8 +288,6 @@ in_flash:
#ifdef RUN_DIAG
- /* Sri: Code to run the diagnostic automatically */
-
/* Load PX_AUX register address in r4 */
lis r4, 0xf810
ori r4, r4, 0x6
@@ -392,6 +332,7 @@ diag_done:
.globl invalidate_bats
invalidate_bats:
+ li r0, 0
/* invalidate BATs */
mtspr IBAT0U, r0
mtspr IBAT1U, r0
@@ -1040,6 +981,7 @@ trap_init:
mfmsr r7
li r8,MSR_IP
andc r7,r7,r8
+ ori r7,r7,MSR_ME /* Enable Machine Check */
mtmsr r7
mtlr r4 /* restore link register */
@@ -1224,8 +1166,9 @@ secondary_cpu_setup:
sync
isync
- /*SYNCBE|ABE in HID1*/
+ /* MCP|SYNCBE|ABE in HID1 */
mfspr r4, HID1
+ oris r4, r4, 0x8000
ori r4, r4, 0x0C00
mtspr HID1, r4
sync
diff --git a/cpu/mpc86xx/traps.c b/cpu/mpc86xx/traps.c
index 8ea14e5..04c2e13 100644
--- a/cpu/mpc86xx/traps.c
+++ b/cpu/mpc86xx/traps.c
@@ -34,7 +34,9 @@
#include <command.h>
#include <asm/processor.h>
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_CMD_KGDB)
int (*debugger_exception_handler)(struct pt_regs *) = 0;
#endif
@@ -50,8 +52,6 @@ extern unsigned long search_exception_table(unsigned long);
void
print_backtrace(unsigned long *sp)
{
- DECLARE_GLOBAL_DATA_PTR;
-
int cnt = 0;
unsigned long i;
@@ -122,7 +122,7 @@ MachineCheckException(struct pt_regs *regs)
return;
}
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
if (debugger_exception_handler && (*debugger_exception_handler) (regs))
return;
#endif
@@ -130,8 +130,11 @@ MachineCheckException(struct pt_regs *regs)
printf("Machine check in kernel mode.\n");
printf("Caused by (from msr): ");
printf("regs %p ", regs);
- switch (regs->msr & 0x000F0000) {
- case (0x80000000 >> 12):
+ switch ( regs->msr & 0x001F0000) {
+ case (0x80000000>>11):
+ printf("MSS error. MSSSR0: %08x\n", mfspr(SPRN_MSSSR0));
+ break;
+ case (0x80000000>>12):
printf("Machine check signal - probably due to mm fault\n"
"with mmu off\n");
break;
@@ -155,7 +158,7 @@ MachineCheckException(struct pt_regs *regs)
void
AlignmentException(struct pt_regs *regs)
{
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
if (debugger_exception_handler && (*debugger_exception_handler) (regs))
return;
#endif
@@ -170,7 +173,7 @@ ProgramCheckException(struct pt_regs *regs)
unsigned char *p = regs ? (unsigned char *)(regs->nip) : NULL;
int i, j;
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
if (debugger_exception_handler && (*debugger_exception_handler) (regs))
return;
#endif
@@ -193,7 +196,7 @@ ProgramCheckException(struct pt_regs *regs)
void
SoftEmuException(struct pt_regs *regs)
{
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
if (debugger_exception_handler && (*debugger_exception_handler) (regs))
return;
#endif
@@ -205,10 +208,11 @@ SoftEmuException(struct pt_regs *regs)
void
UnknownException(struct pt_regs *regs)
{
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
if (debugger_exception_handler && (*debugger_exception_handler) (regs))
return;
#endif
+ printf("UnknownException regs@%x\n", regs);
printf("Bad trap at PC: %lx, SR: %lx, vector=%lx\n",
regs->nip, regs->msr, regs->trap);
_exception(0, regs);
generated by cgit v1.1 at 2024-11-09 13:10:29 +0000