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-rw-r--r--cpu/arm926ejs/davinci/ether.c2
-rw-r--r--cpu/at32ap/atmel_mci.c80
-rw-r--r--cpu/at32ap/atmel_mci.h4
-rw-r--r--cpu/at32ap/interrupts.c2
-rw-r--r--cpu/mpc512x/cpu.c2
-rw-r--r--cpu/mpc512x/fec.c6
-rw-r--r--cpu/mpc512x/traps.c14
-rw-r--r--cpu/mpc85xx/Makefile2
-rw-r--r--cpu/mpc85xx/cpu.c24
-rw-r--r--cpu/mpc85xx/cpu_init.c100
-rw-r--r--cpu/mpc85xx/interrupts.c33
-rw-r--r--cpu/mpc85xx/pci.c2
-rw-r--r--cpu/mpc85xx/qe_io.c85
-rw-r--r--cpu/mpc85xx/spd_sdram.c67
-rw-r--r--cpu/mpc85xx/start.S486
-rw-r--r--cpu/mpc85xx/traps.c99
-rw-r--r--cpu/mpc86xx/cpu_init.c4
-rw-r--r--cpu/mpc86xx/interrupts.c51
-rw-r--r--cpu/mpc86xx/start.S85
-rw-r--r--cpu/mpc86xx/traps.c8
-rw-r--r--cpu/nios/cpu.c2
21 files changed, 712 insertions, 446 deletions
diff --git a/cpu/arm926ejs/davinci/ether.c b/cpu/arm926ejs/davinci/ether.c
index 32e81d1..766bc7d 100644
--- a/cpu/arm926ejs/davinci/ether.c
+++ b/cpu/arm926ejs/davinci/ether.c
@@ -272,7 +272,7 @@ static int gen_auto_negotiate(int phy_addr)
/* End of generic PHY functions */
-#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
static int dm644x_mii_phy_read(char *devname, unsigned char addr, unsigned char reg, unsigned short *value)
{
return(dm644x_eth_phy_read(addr, reg, value) ? 0 : 1);
diff --git a/cpu/at32ap/atmel_mci.c b/cpu/at32ap/atmel_mci.c
index 9f62c0f..cf48be1 100644
--- a/cpu/at32ap/atmel_mci.c
+++ b/cpu/at32ap/atmel_mci.c
@@ -56,6 +56,7 @@
#define MMC_DEFAULT_RCA 1
static unsigned int mmc_rca;
+static int mmc_card_is_sd;
static block_dev_desc_t mmc_blkdev;
block_dev_desc_t *mmc_get_dev(int dev)
@@ -82,7 +83,9 @@ static void mci_set_mode(unsigned long hz, unsigned long blklen)
blklen &= 0xfffc;
mmci_writel(MR, (MMCI_BF(CLKDIV, clkdiv)
- | MMCI_BF(BLKLEN, blklen)));
+ | MMCI_BF(BLKLEN, blklen)
+ | MMCI_BIT(RDPROOF)
+ | MMCI_BIT(WRPROOF)));
}
#define RESP_NO_CRC 1
@@ -225,7 +228,7 @@ mmc_bread(int dev, unsigned long start, lbaint_t blkcnt,
*buffer++ = data;
wordcount++;
}
- } while(wordcount < (512 / 4));
+ } while(wordcount < (mmc_blkdev.blksz / 4));
pr_debug("mmc: read %u words, waiting for BLKE\n", wordcount);
@@ -243,7 +246,7 @@ out:
fail:
mmc_cmd(MMC_CMD_SEND_STATUS, mmc_rca << 16, &card_status, R1 | NCR);
- printf("mmc: bread failed, card status = ", card_status);
+ printf("mmc: bread failed, card status = %08x\n", card_status);
goto out;
}
@@ -371,6 +374,7 @@ static int sd_init_card(struct mmc_cid *cid, int verbose)
mmc_rca = resp[0] >> 16;
if (verbose)
printf("SD Card detected (RCA %u)\n", mmc_rca);
+ mmc_card_is_sd = 1;
return 0;
}
@@ -405,10 +409,64 @@ static int mmc_init_card(struct mmc_cid *cid, int verbose)
return ret;
}
+static void mci_set_data_timeout(struct mmc_csd *csd)
+{
+ static const unsigned int dtomul_to_shift[] = {
+ 0, 4, 7, 8, 10, 12, 16, 20,
+ };
+ static const unsigned int taac_exp[] = {
+ 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000,
+ };
+ static const unsigned int taac_mant[] = {
+ 0, 10, 12, 13, 15, 60, 25, 30,
+ 35, 40, 45, 50, 55, 60, 70, 80,
+ };
+ unsigned int timeout_ns, timeout_clks;
+ unsigned int e, m;
+ unsigned int dtocyc, dtomul;
+ unsigned int shift;
+ u32 dtor;
+
+ e = csd->taac & 0x07;
+ m = (csd->taac >> 3) & 0x0f;
+
+ timeout_ns = (taac_exp[e] * taac_mant[m] + 9) / 10;
+ timeout_clks = csd->nsac * 100;
+
+ timeout_clks += (((timeout_ns + 9) / 10)
+ * ((CFG_MMC_CLK_PP + 99999) / 100000) + 9999) / 10000;
+ if (!mmc_card_is_sd)
+ timeout_clks *= 10;
+ else
+ timeout_clks *= 100;
+
+ dtocyc = timeout_clks;
+ dtomul = 0;
+ while (dtocyc > 15 && dtomul < 8) {
+ dtomul++;
+ shift = dtomul_to_shift[dtomul];
+ dtocyc = (timeout_clks + (1 << shift) - 1) >> shift;
+ }
+
+ if (dtomul >= 8) {
+ dtomul = 7;
+ dtocyc = 15;
+ puts("Warning: Using maximum data timeout\n");
+ }
+
+ dtor = (MMCI_BF(DTOMUL, dtomul)
+ | MMCI_BF(DTOCYC, dtocyc));
+ mmci_writel(DTOR, dtor);
+
+ printf("mmc: Using %u cycles data timeout (DTOR=0x%x)\n",
+ dtocyc << shift, dtor);
+}
+
int mmc_init(int verbose)
{
struct mmc_cid cid;
struct mmc_csd csd;
+ unsigned int max_blksz;
int ret;
/* Initialize controller */
@@ -418,6 +476,8 @@ int mmc_init(int verbose)
mmci_writel(IDR, ~0UL);
mci_set_mode(CFG_MMC_CLK_OD, MMC_DEFAULT_BLKLEN);
+ mmc_card_is_sd = 0;
+
ret = sd_init_card(&cid, verbose);
if (ret) {
mmc_rca = MMC_DEFAULT_RCA;
@@ -433,6 +493,8 @@ int mmc_init(int verbose)
if (verbose)
mmc_dump_csd(&csd);
+ mci_set_data_timeout(&csd);
+
/* Initialize the blockdev structure */
mmc_blkdev.if_type = IF_TYPE_MMC;
mmc_blkdev.part_type = PART_TYPE_DOS;
@@ -444,7 +506,17 @@ int mmc_init(int verbose)
sizeof(mmc_blkdev.product));
sprintf((char *)mmc_blkdev.revision, "%x %x",
cid.prv >> 4, cid.prv & 0x0f);
- mmc_blkdev.blksz = 1 << csd.read_bl_len;
+
+ /*
+ * If we can't use 512 byte blocks, refuse to deal with the
+ * card. Tons of code elsewhere seems to depend on this.
+ */
+ max_blksz = 1 << csd.read_bl_len;
+ if (max_blksz < 512 || (max_blksz > 512 && !csd.read_bl_partial)) {
+ printf("Card does not support 512 byte reads, aborting.\n");
+ return -ENODEV;
+ }
+ mmc_blkdev.blksz = 512;
mmc_blkdev.lba = (csd.c_size + 1) * (1 << (csd.c_size_mult + 2));
mci_set_mode(CFG_MMC_CLK_PP, mmc_blkdev.blksz);
diff --git a/cpu/at32ap/atmel_mci.h b/cpu/at32ap/atmel_mci.h
index 0ffbc4f..5b4f5c9 100644
--- a/cpu/at32ap/atmel_mci.h
+++ b/cpu/at32ap/atmel_mci.h
@@ -57,6 +57,10 @@
#define MMCI_CLKDIV_SIZE 8
#define MMCI_PWSDIV_OFFSET 8
#define MMCI_PWSDIV_SIZE 3
+#define MMCI_RDPROOF_OFFSET 11
+#define MMCI_RDPROOF_SIZE 1
+#define MMCI_WRPROOF_OFFSET 12
+#define MMCI_WRPROOF_SIZE 1
#define MMCI_PDCPADV_OFFSET 14
#define MMCI_PDCPADV_SIZE 1
#define MMCI_PDCMODE_OFFSET 15
diff --git a/cpu/at32ap/interrupts.c b/cpu/at32ap/interrupts.c
index c9e0499..bef1f30 100644
--- a/cpu/at32ap/interrupts.c
+++ b/cpu/at32ap/interrupts.c
@@ -20,8 +20,8 @@
* MA 02111-1307 USA
*/
#include <common.h>
+#include <div64.h>
-#include <asm/div64.h>
#include <asm/errno.h>
#include <asm/io.h>
#include <asm/processor.h>
diff --git a/cpu/mpc512x/cpu.c b/cpu/mpc512x/cpu.c
index 3be565a..accae6e 100644
--- a/cpu/mpc512x/cpu.c
+++ b/cpu/mpc512x/cpu.c
@@ -42,7 +42,7 @@ int checkcpu (void)
u32 spridr = immr->sysconf.spridr;
char buf[32];
- puts("CPU: ");
+ puts ("CPU: ");
switch (spridr & 0xffff0000) {
case SPR_5121E:
diff --git a/cpu/mpc512x/fec.c b/cpu/mpc512x/fec.c
index 1c87a53..3c142a9 100644
--- a/cpu/mpc512x/fec.c
+++ b/cpu/mpc512x/fec.c
@@ -17,10 +17,10 @@ DECLARE_GLOBAL_DATA_PTR;
#define DEBUG 0
-#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) && \
+#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \
defined(CONFIG_MPC512x_FEC)
-#if !(defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII))
+#if !(defined(CONFIG_MII) || defined(CONFIG_CMD_MII))
#error "CONFIG_MII has to be defined!"
#endif
@@ -626,7 +626,7 @@ int mpc512x_fec_initialize (bd_t * bis)
sprintf (dev->name, "FEC ETHERNET");
eth_register (dev);
-#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
miiphy_register (dev->name,
fec512x_miiphy_read, fec512x_miiphy_write);
#endif
diff --git a/cpu/mpc512x/traps.c b/cpu/mpc512x/traps.c
index 40281a2..8455c92 100644
--- a/cpu/mpc512x/traps.c
+++ b/cpu/mpc512x/traps.c
@@ -106,7 +106,7 @@ MachineCheckException (struct pt_regs *regs)
return;
}
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#ifdef CONFIG_CMD_KGDB
if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
@@ -144,7 +144,7 @@ MachineCheckException (struct pt_regs *regs)
void
AlignmentException (struct pt_regs *regs)
{
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#ifdef CONFIG_CMD_KGDB
if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
@@ -156,7 +156,7 @@ AlignmentException (struct pt_regs *regs)
void
ProgramCheckException (struct pt_regs *regs)
{
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#ifdef CONFIG_CMD_KGDB
if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
@@ -168,7 +168,7 @@ ProgramCheckException (struct pt_regs *regs)
void
SoftEmuException (struct pt_regs *regs)
{
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#ifdef CONFIG_CMD_KGDB
if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
@@ -181,7 +181,7 @@ SoftEmuException (struct pt_regs *regs)
void
UnknownException (struct pt_regs *regs)
{
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#ifdef CONFIG_CMD_KGDB
if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
@@ -190,7 +190,7 @@ UnknownException (struct pt_regs *regs)
_exception (0, regs);
}
-#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
+#ifdef CONFIG_CMD_BEDBUG
extern void do_bedbug_breakpoint (struct pt_regs *);
#endif
@@ -199,7 +199,7 @@ DebugException (struct pt_regs *regs)
{
printf ("Debugger trap at @ %lx\n", regs->nip );
show_regs (regs);
-#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
+#ifdef CONFIG_CMD_BEDBUG
do_bedbug_breakpoint (regs);
#endif
}
diff --git a/cpu/mpc85xx/Makefile b/cpu/mpc85xx/Makefile
index ff67dcd..32091fa 100644
--- a/cpu/mpc85xx/Makefile
+++ b/cpu/mpc85xx/Makefile
@@ -30,7 +30,7 @@ LIB = $(obj)lib$(CPU).a
START = start.o resetvec.o
COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o \
- pci.o serial_scc.o commproc.o ether_fcc.o spd_sdram.o
+ pci.o serial_scc.o commproc.o ether_fcc.o spd_sdram.o qe_io.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c
index 1d791c9..08e0468 100644
--- a/cpu/mpc85xx/cpu.c
+++ b/cpu/mpc85xx/cpu.c
@@ -280,7 +280,7 @@ ft_cpu_setup(void *blob, bd_t *bd)
if (p != NULL)
*p = cpu_to_be32(clock);
-#if defined(CONFIG_TSEC1)
+#if defined(CONFIG_HAS_ETH0)
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/mac-address", &len);
if (p)
memcpy(p, bd->bi_enetaddr, 6);
@@ -308,6 +308,17 @@ ft_cpu_setup(void *blob, bd_t *bd)
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@26000/local-mac-address", &len);
if (p)
memcpy(p, bd->bi_enet2addr, 6);
+
+#ifdef CONFIG_UEC_ETH
+ p = ft_get_prop(blob, "/" OF_QE "/ucc@2000/mac-address", &len);
+ if (p)
+ memcpy(p, bd->bi_enet2addr, 6);
+
+ p = ft_get_prop(blob, "/" OF_QE "/ucc@2000/local-mac-address", &len);
+ if (p)
+ memcpy(p, bd->bi_enet2addr, 6);
+
+#endif
#endif
#if defined(CONFIG_HAS_ETH3)
@@ -318,6 +329,17 @@ ft_cpu_setup(void *blob, bd_t *bd)
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@27000/local-mac-address", &len);
if (p)
memcpy(p, bd->bi_enet3addr, 6);
+
+#ifdef CONFIG_UEC_ETH
+ p = ft_get_prop(blob, "/" OF_QE "/ucc@3000/mac-address", &len);
+ if (p)
+ memcpy(p, bd->bi_enet3addr, 6);
+
+ p = ft_get_prop(blob, "/" OF_QE "/ucc@3000/local-mac-address", &len);
+ if (p)
+ memcpy(p, bd->bi_enet3addr, 6);
+
+#endif
#endif
}
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c
index 9517146..7b99610 100644
--- a/cpu/mpc85xx/cpu_init.c
+++ b/cpu/mpc85xx/cpu_init.c
@@ -1,4 +1,6 @@
/*
+ * Copyright 2007 Freescale Semiconductor.
+ *
* (C) Copyright 2003 Motorola Inc.
* Modified by Xianghua Xiao, X.Xiao@motorola.com
*
@@ -32,6 +34,29 @@
DECLARE_GLOBAL_DATA_PTR;
+#ifdef CONFIG_QE
+extern qe_iop_conf_t qe_iop_conf_tab[];
+extern void qe_config_iopin(u8 port, u8 pin, int dir,
+ int open_drain, int assign);
+extern void qe_init(uint qe_base);
+extern void qe_reset(void);
+
+static void config_qe_ioports(void)
+{
+ u8 port, pin;
+ int dir, open_drain, assign;
+ int i;
+
+ for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) {
+ port = qe_iop_conf_tab[i].port;
+ pin = qe_iop_conf_tab[i].pin;
+ dir = qe_iop_conf_tab[i].dir;
+ open_drain = qe_iop_conf_tab[i].open_drain;
+ assign = qe_iop_conf_tab[i].assign;
+ qe_config_iopin(port, pin, dir, open_drain, assign);
+ }
+}
+#endif
#ifdef CONFIG_CPM2
static void config_8560_ioports (volatile immap_t * immr)
@@ -133,15 +158,18 @@ void cpu_init_f (void)
#endif
/* now restrict to preliminary range */
+ /* if cs1 is already set via debugger, leave cs0/cs1 alone */
+ if (! memctl->br1 & 1) {
#if defined(CFG_BR0_PRELIM) && defined(CFG_OR0_PRELIM)
- memctl->br0 = CFG_BR0_PRELIM;
- memctl->or0 = CFG_OR0_PRELIM;
+ memctl->br0 = CFG_BR0_PRELIM;
+ memctl->or0 = CFG_OR0_PRELIM;
#endif
#if defined(CFG_BR1_PRELIM) && defined(CFG_OR1_PRELIM)
- memctl->or1 = CFG_OR1_PRELIM;
- memctl->br1 = CFG_BR1_PRELIM;
+ memctl->or1 = CFG_OR1_PRELIM;
+ memctl->br1 = CFG_BR1_PRELIM;
#endif
+ }
#if defined(CFG_BR2_PRELIM) && defined(CFG_OR2_PRELIM)
memctl->or2 = CFG_OR2_PRELIM;
@@ -176,6 +204,11 @@ void cpu_init_f (void)
#if defined(CONFIG_CPM2)
m8560_cpm_reset();
#endif
+#ifdef CONFIG_QE
+ /* Config QE ioports */
+ config_qe_ioports();
+#endif
+
}
@@ -185,16 +218,25 @@ void cpu_init_f (void)
* The newer 8548, etc, parts have twice as much cache, but
* use the same bit-encoding as the older 8555, etc, parts.
*
- * FIXME: Use PVR_VER(pvr) == 1 test here instead of SVR_VER()?
*/
int cpu_init_r(void)
{
+#if defined(CONFIG_CLEAR_LAW0) || defined(CONFIG_L2_CACHE)
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+#endif
+#ifdef CONFIG_CLEAR_LAW0
+ volatile ccsr_local_ecm_t *ecm = &immap->im_local_ecm;
+
+ /* clear alternate boot location LAW (used for sdram, or ddr bank) */
+ ecm->lawar0 = 0;
+#endif
+
#if defined(CONFIG_L2_CACHE)
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_l2cache_t *l2cache = &immap->im_l2cache;
volatile uint cache_ctl;
uint svr, ver;
+ uint l2srbar;
svr = get_svr();
ver = SVR_VER(svr);
@@ -204,33 +246,55 @@ int cpu_init_r(void)
switch (cache_ctl & 0x30000000) {
case 0x20000000:
- if (ver == SVR_8548 || ver == SVR_8548_E) {
+ if (ver == SVR_8548 || ver == SVR_8548_E ||
+ ver == SVR_8544) {
printf ("L2 cache 512KB:");
+ /* set L2E=1, L2I=1, & L2SRAM=0 */
+ cache_ctl = 0xc0000000;
} else {
printf ("L2 cache 256KB:");
+ /* set L2E=1, L2I=1, & L2BLKSZ=2 (256 Kbyte) */
+ cache_ctl = 0xc8000000;
}
break;
- case 0x00000000:
case 0x10000000:
+ printf ("L2 cache 256KB:");
+ if (ver == SVR_8544 || ver == SVR_8544_E) {
+ cache_ctl = 0xc0000000; /* set L2E=1, L2I=1, & L2SRAM=0 */
+ }
+ break;
case 0x30000000:
+ case 0x00000000:
default:
printf ("L2 cache unknown size (0x%08x)\n", cache_ctl);
return -1;
}
- asm("msync;isync");
- l2cache->l2ctl = 0x68000000; /* invalidate */
- cache_ctl = l2cache->l2ctl;
- asm("msync;isync");
-
- l2cache->l2ctl = 0xa8000000; /* enable 256KB L2 cache */
- cache_ctl = l2cache->l2ctl;
- asm("msync;isync");
-
- printf(" enabled\n");
+ if (l2cache->l2ctl & 0x80000000) {
+ printf(" already enabled.");
+ l2srbar = l2cache->l2srbar0;
+#ifdef CFG_INIT_L2_ADDR
+ if (l2cache->l2ctl & 0x00010000 && l2srbar >= CFG_FLASH_BASE) {
+ l2srbar = CFG_INIT_L2_ADDR;
+ l2cache->l2srbar0 = l2srbar;
+ printf(" Moving to 0x%08x", CFG_INIT_L2_ADDR);
+ }
+#endif /* CFG_INIT_L2_ADDR */
+ puts("\n");
+ } else {
+ asm("msync;isync");
+ l2cache->l2ctl = cache_ctl; /* invalidate & enable */
+ asm("msync;isync");
+ printf(" enabled\n");
+ }
#else
printf("L2 cache: disabled\n");
#endif
+#ifdef CONFIG_QE
+ uint qe_base = CFG_IMMR + 0x00080000; /* QE immr base */
+ qe_init(qe_base);
+ qe_reset();
+#endif
return 0;
}
diff --git a/cpu/mpc85xx/interrupts.c b/cpu/mpc85xx/interrupts.c
index dc246dc..bf737d6 100644
--- a/cpu/mpc85xx/interrupts.c
+++ b/cpu/mpc85xx/interrupts.c
@@ -89,6 +89,39 @@ int interrupt_init (void)
mtspr(SPRN_TCR, TCR_PIE);
set_dec (decrementer_count);
set_msr (get_msr () | MSR_EE);
+
+#ifdef CONFIG_INTERRUPTS
+ volatile ccsr_pic_t *pic = &immr->im_pic;
+
+ pic->iivpr1 = 0x810002; /* 50220 enable ecm 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);
+
+#ifdef CONFIG_PCI1
+ pic->iivpr8 = 0x810008; /* enable pci1 interrupts */
+ debug("iivpr8@%x = %x\n",&pic->iivpr8, pic->iivpr8);
+#endif
+#if defined(CONFIG_PCI2) || defined(CONFIG_PCIE2)
+ pic->iivpr9 = 0x810009; /* enable pci1 interrupts */
+ debug("iivpr9@%x = %x\n",&pic->iivpr9, pic->iivpr9);
+#endif
+#ifdef CONFIG_PCIE1
+ pic->iivpr10 = 0x81000a; /* enable pcie1 interrupts */
+ debug("iivpr10@%x = %x\n",&pic->iivpr10, pic->iivpr10);
+#endif
+#ifdef CONFIG_PCIE3
+ pic->iivpr11 = 0x81000b; /* enable pcie3 interrupts */
+ debug("iivpr11@%x = %x\n",&pic->iivpr11, pic->iivpr11);
+#endif
+
+ pic->ctpr=0; /* 40080 clear current task priority register */
+#endif
+
return (0);
}
diff --git a/cpu/mpc85xx/pci.c b/cpu/mpc85xx/pci.c
index 3c1a323..db09e45 100644
--- a/cpu/mpc85xx/pci.c
+++ b/cpu/mpc85xx/pci.c
@@ -142,7 +142,7 @@ pci_mpc85xx_init(struct pci_controller *board_hose)
u8 header_type;
pci_hose_read_config_byte(hose,
- PCI_BDF(0,17,0),
+ PCI_BDF(0,BRIDGE_ID,0),
PCI_HEADER_TYPE,
&header_type);
}
diff --git a/cpu/mpc85xx/qe_io.c b/cpu/mpc85xx/qe_io.c
new file mode 100644
index 0000000..8878bc5
--- /dev/null
+++ b/cpu/mpc85xx/qe_io.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2006 Freescale Semiconductor, Inc.
+ *
+ * Dave Liu <daveliu@freescale.com>
+ * based on source code of Shlomi Gridish
+ *
+ * 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/errno.h"
+#include "asm/io.h"
+#include "asm/immap_85xx.h"
+
+#if defined(CONFIG_QE)
+#define NUM_OF_PINS 32
+void qe_config_iopin(u8 port, u8 pin, int dir, int open_drain, int assign)
+{
+ u32 pin_2bit_mask;
+ u32 pin_2bit_dir;
+ u32 pin_2bit_assign;
+ u32 pin_1bit_mask;
+ u32 tmp_val;
+ volatile immap_t *im = (volatile immap_t *)CFG_IMMR;
+ volatile par_io_t *par_io = (volatile par_io_t *)
+ &(im->im_gur.qe_par_io);
+
+ /* Caculate pin location and 2bit mask and dir */
+ pin_2bit_mask = (u32)(0x3 << (NUM_OF_PINS-(pin%(NUM_OF_PINS/2)+1)*2));
+ pin_2bit_dir = (u32)(dir << (NUM_OF_PINS-(pin%(NUM_OF_PINS/2)+1)*2));
+
+ /* Setup the direction */
+ tmp_val = (pin > (NUM_OF_PINS/2) - 1) ? \
+ in_be32(&par_io[port].cpdir2) :
+ in_be32(&par_io[port].cpdir1);
+
+ if (pin > (NUM_OF_PINS/2) -1) {
+ out_be32(&par_io[port].cpdir2, ~pin_2bit_mask & tmp_val);
+ out_be32(&par_io[port].cpdir2, pin_2bit_dir | tmp_val);
+ } else {
+ out_be32(&par_io[port].cpdir1, ~pin_2bit_mask & tmp_val);
+ out_be32(&par_io[port].cpdir1, pin_2bit_dir | tmp_val);
+ }
+
+ /* Calculate pin location for 1bit mask */
+ pin_1bit_mask = (u32)(1 << (NUM_OF_PINS - (pin+1)));
+
+ /* Setup the open drain */
+ tmp_val = in_be32(&par_io[port].cpodr);
+ if (open_drain)
+ out_be32(&par_io[port].cpodr, pin_1bit_mask | tmp_val);
+ else
+ out_be32(&par_io[port].cpodr, ~pin_1bit_mask & tmp_val);
+
+ /* Setup the assignment */
+ tmp_val = (pin > (NUM_OF_PINS/2) - 1) ?
+ in_be32(&par_io[port].cppar2):
+ in_be32(&par_io[port].cppar1);
+ pin_2bit_assign = (u32)(assign
+ << (NUM_OF_PINS - (pin%(NUM_OF_PINS/2)+1)*2));
+
+ /* Clear and set 2 bits mask */
+ if (pin > (NUM_OF_PINS/2) - 1) {
+ out_be32(&par_io[port].cppar2, ~pin_2bit_mask & tmp_val);
+ out_be32(&par_io[port].cppar2, pin_2bit_assign | tmp_val);
+ } else {
+ out_be32(&par_io[port].cppar1, ~pin_2bit_mask & tmp_val);
+ out_be32(&par_io[port].cppar1, pin_2bit_assign | tmp_val);
+ }
+}
+
+#endif /* CONFIG_QE */
diff --git a/cpu/mpc85xx/spd_sdram.c b/cpu/mpc85xx/spd_sdram.c
index 3777f49..5dc223a 100644
--- a/cpu/mpc85xx/spd_sdram.c
+++ b/cpu/mpc85xx/spd_sdram.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2004 Freescale Semiconductor.
+ * Copyright 2004, 2007 Freescale Semiconductor.
* (C) Copyright 2003 Motorola Inc.
* Xianghua Xiao (X.Xiao@motorola.com)
*
@@ -173,11 +173,10 @@ spd_sdram(void)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_ddr_t *ddr = &immap->im_ddr;
- volatile ccsr_gur_t *gur = &immap->im_gur;
spd_eeprom_t spd;
unsigned int n_ranks;
unsigned int rank_density;
- unsigned int odt_rd_cfg, odt_wr_cfg;
+ unsigned int odt_rd_cfg, odt_wr_cfg, ba_bits;
unsigned int odt_cfg, mode_odt_enable;
unsigned int refresh_clk;
#ifdef MPC85xx_DDR_SDRAM_CLK_CNTL
@@ -189,7 +188,7 @@ spd_sdram(void)
unsigned int max_data_rate, effective_data_rate;
unsigned int busfreq;
unsigned sdram_cfg;
- unsigned int memsize;
+ unsigned int memsize = 0;
unsigned char caslat, caslat_ctrl;
unsigned int trfc, trfc_clk, trfc_low, trfc_high;
unsigned int trcd_clk;
@@ -204,6 +203,46 @@ spd_sdram(void)
unsigned int mode_caslat;
unsigned char sdram_type;
unsigned char d_init;
+ unsigned int bnds;
+
+ /*
+ * Skip configuration if already configured.
+ * memsize is determined from last configured chip select.
+ */
+ if (ddr->cs0_config & 0x80000000) {
+ debug(" cs0 already configured, bnds=%x\n",ddr->cs0_bnds);
+ bnds = 0xfff & ddr->cs0_bnds;
+ if (bnds < 0xff) { /* do not add if at top of 4G */
+ memsize = (bnds + 1) << 4;
+ }
+ }
+ if (ddr->cs1_config & 0x80000000) {
+ debug(" cs1 already configured, bnds=%x\n",ddr->cs1_bnds);
+ bnds = 0xfff & ddr->cs1_bnds;
+ if (bnds < 0xff) { /* do not add if at top of 4G */
+ memsize = (bnds + 1) << 4; /* assume ordered bnds */
+ }
+ }
+ if (ddr->cs2_config & 0x80000000) {
+ debug(" cs2 already configured, bnds=%x\n",ddr->cs2_bnds);
+ bnds = 0xfff & ddr->cs2_bnds;
+ if (bnds < 0xff) { /* do not add if at top of 4G */
+ memsize = (bnds + 1) << 4;
+ }
+ }
+ if (ddr->cs3_config & 0x80000000) {
+ debug(" cs3 already configured, bnds=%x\n",ddr->cs3_bnds);
+ bnds = 0xfff & ddr->cs3_bnds;
+ if (bnds < 0xff) { /* do not add if at top of 4G */
+ memsize = (bnds + 1) << 4;
+ }
+ }
+
+ if (memsize) {
+ printf(" Reusing current %dMB configuration\n",memsize);
+ memsize = setup_laws_and_tlbs(memsize);
+ return memsize << 20;
+ }
/*
* Read SPD information.
@@ -262,6 +301,7 @@ spd_sdram(void)
return 0;
}
+#ifdef CONFIG_MPC8548
/*
* Adjust DDR II IO voltage biasing.
* Only 8548 rev 1 needs the fix
@@ -269,9 +309,11 @@ spd_sdram(void)
if ((SVR_VER(get_svr()) == SVR_8548_E) &&
(SVR_MJREV(get_svr()) == 1) &&
(spd.mem_type == SPD_MEMTYPE_DDR2)) {
+ volatile ccsr_gur_t *gur = &immap->im_gur;
gur->ddrioovcr = (0x80000000 /* Enable */
| 0x10000000);/* VSEL to 1.8V */
}
+#endif
/*
* Determine the size of each Rank in bytes.
@@ -299,9 +341,14 @@ spd_sdram(void)
#endif
}
+ ba_bits = 0;
+ if (spd.nbanks == 0x8)
+ ba_bits = 1;
+
ddr->cs0_config = ( 1 << 31
| (odt_rd_cfg << 20)
| (odt_wr_cfg << 16)
+ | (ba_bits << 14)
| (spd.nrow_addr - 12) << 8
| (spd.ncol_addr - 8) );
debug("\n");
@@ -645,13 +692,10 @@ spd_sdram(void)
*/
cpo = 0;
if (spd.mem_type == SPD_MEMTYPE_DDR2) {
- if (effective_data_rate == 266 || effective_data_rate == 333) {
+ if (effective_data_rate <= 333) {
cpo = 0x7; /* READ_LAT + 5/4 */
- } else if (effective_data_rate == 400) {
- cpo = 0x9; /* READ_LAT + 7/4 */
} else {
- /* Pure speculation */
- cpo = 0xb;
+ cpo = 0x9; /* READ_LAT + 7/4 */
}
}
@@ -858,7 +902,12 @@ spd_sdram(void)
if (spd.mem_type == SPD_MEMTYPE_DDR)
clk_adjust = 0x6;
else
+#ifdef CONFIG_MPC8568
+ /* Empirally setting clk_adjust */
+ clk_adjust = 0x6;
+#else
clk_adjust = 0x7;
+#endif
ddr->sdram_clk_cntl = (0
| 0x80000000
diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S
index 77c155c..2c98c2a 100644
--- a/cpu/mpc85xx/start.S
+++ b/cpu/mpc85xx/start.S
@@ -1,7 +1,6 @@
/*
- * Copyright 2004 Freescale Semiconductor.
+ * Copyright 2004, 2007 Freescale Semiconductor.
* Copyright (C) 2003 Motorola,Inc.
- * Xianghua Xiao<X.Xiao@motorola.com>
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -46,7 +45,7 @@
#endif
#undef MSR_KERNEL
-#define MSR_KERNEL ( MSR_ME ) /* Machine Check */
+#define MSR_KERNEL ( MSR_ME ) /* Machine Check */
/*
* Set up GOT: Global Offset Table
@@ -80,110 +79,37 @@
*
*/
- .section .bootpg,"ax"
- .globl _start_e500
+ .section .bootpg,"ax"
+ .globl _start_e500
_start_e500:
- mfspr r0, PVR
- lis r1, PVR_85xx_REV1@h
- ori r1, r1, PVR_85xx_REV1@l
- cmpw r0, r1
- bne 1f
- /* Semi-bogus errata fixup for Rev 1 */
- li r0,0x2000
- mtspr 977,r0
+/* clear registers/arrays not reset by hardware */
- /*
- * Before invalidating MMU L1/L2, read TLB1 Entry 0 and then
- * write it back immediately to fixup a Rev 1 bug (Errata CPU4)
- * for this initial TLB1 entry 0, otherwise the TLB1 entry 0
- * will be invalidated (incorrectly).
- */
- lis r2,0x1000
- mtspr MAS0,r2
- tlbre
- tlbwe
- isync
-
-1:
- /*
- * Clear and set up some registers.
- * Note: Some registers need strict synchronization by
- * sync/mbar/msync/isync when being "mtspr".
- * BookE: isync before PID,tlbivax,tlbwe
- * BookE: isync after MSR,PID; msync_isync after tlbivax & tlbwe
- * E500: msync,isync before L1CSR0
- * E500: isync after BBEAR,BBTAR,BUCSR,DBCR0,DBCR1,HID0,HID1,
- * L1CSR0, L1CSR1, MAS[0,1,2,3,4,6],MMUCSR0, PID[0,1,2],
- * SPEFCSR
- */
-
- /* invalidate d-cache */
- mfspr r0,L1CSR0
- ori r0,r0,0x0002
- msync
- isync
- mtspr L1CSR0,r0
- isync
-
- /* disable d-cache */
- li r0,0x0
- mtspr L1CSR0,r0
-
- /* invalidate i-cache */
- mfspr r0,L1CSR1
- ori r0,r0,0x0002
- mtspr L1CSR1,r0
- isync
-
- /* disable i-cache */
- li r0,0x0
- mtspr L1CSR1,r0
- isync
-
- /* clear registers */
- li r0,0
- mtspr SRR0,r0
- mtspr SRR1,r0
- mtspr CSRR0,r0
- mtspr CSRR1,r0
- mtspr MCSRR0,r0
- mtspr MCSRR1,r0
-
- mtspr ESR,r0
- mtspr MCSR,r0
- mtspr DEAR,r0
-
- /* not needed and conflicts with some debuggers */
- /* mtspr DBCR0,r0 */
- mtspr DBCR1,r0
- mtspr DBCR2,r0
- /* not needed and conflicts with some debuggers */
- /* mtspr IAC1,r0 */
- /* mtspr IAC2,r0 */
- mtspr DAC1,r0
- mtspr DAC2,r0
+ /* L1 */
+ li r0,2
+ mtspr L1CSR0,r0 /* invalidate d-cache */
+ mtspr L1CSR1,r0 /* invalidate i-cache */
mfspr r1,DBSR
mtspr DBSR,r1 /* Clear all valid bits */
- mtspr PID0,r0
- mtspr PID1,r0
- mtspr PID2,r0
- mtspr TCR,r0
+ /*
+ * Enable L1 Caches early
+ *
+ */
- mtspr BUCSR,r0 /* disable branch prediction */
- mtspr MAS4,r0
- mtspr MAS6,r0
-#if defined(CONFIG_ENABLE_36BIT_PHYS)
- mtspr MAS7,r0
-#endif
+ lis r2,L1CSR0_CPE@H /* enable parity */
+ ori r2,r2,L1CSR0_DCE
+ mtspr L1CSR0,r2 /* enable L1 Dcache */
isync
+ mtspr L1CSR1,r2 /* enable L1 Icache */
+ isync
+ msync
/* Setup interrupt vectors */
lis r1,TEXT_BASE@h
- mtspr IVPR, r1
+ mtspr IVPR,r1
li r1,0x0100
mtspr IVOR0,r1 /* 0: Critical input */
@@ -217,26 +143,6 @@ _start_e500:
li r1,0x0f00
mtspr IVOR15,r1 /* 15: Debug */
- /*
- * Invalidate MMU L1/L2
- *
- * Note: There is a fixup earlier for Errata CPU4 on
- * Rev 1 parts that must precede this MMU invalidation.
- */
- li r2, 0x001e
- mtspr MMUCSR0, r2
- isync
-
- /*
- * Invalidate all TLB0 entries.
- */
- li r3,4
- li r4,0
- tlbivax r4,r3
- /*
- * To avoid REV1 Errata CPU6 issues, make sure
- * the instruction following tlbivax is not a store.
- */
/*
* After reset, CCSRBAR is located at CFG_CCSRBAR_DEFAULT, i.e.
@@ -254,14 +160,14 @@ _start_e500:
lwzu r4,0(r5) /* how many TLB1 entries we actually use */
mtctr r4
-0: lwzu r0,4(r5)
- lwzu r1,4(r5)
- lwzu r2,4(r5)
- lwzu r3,4(r5)
- mtspr MAS0,r0
- mtspr MAS1,r1
- mtspr MAS2,r2
- mtspr MAS3,r3
+0: lwzu r6,4(r5)
+ lwzu r7,4(r5)
+ lwzu r8,4(r5)
+ lwzu r9,4(r5)
+ mtspr MAS0,r6
+ mtspr MAS1,r7
+ mtspr MAS2,r8
+ mtspr MAS3,r9
isync
msync
tlbwe
@@ -271,22 +177,22 @@ _start_e500:
1:
#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
/* Special sequence needed to update CCSRBAR itself */
- lis r4, CFG_CCSRBAR_DEFAULT@h
- ori r4, r4, CFG_CCSRBAR_DEFAULT@l
+ lis r4,CFG_CCSRBAR_DEFAULT@h
+ ori r4,r4,CFG_CCSRBAR_DEFAULT@l
- lis r5, CFG_CCSRBAR@h
- ori r5, r5, CFG_CCSRBAR@l
+ lis r5,CFG_CCSRBAR@h
+ ori r5,r5,CFG_CCSRBAR@l
srwi r6,r5,12
- stw r6, 0(r4)
+ stw r6,0(r4)
isync
- lis r5, 0xffff
+ lis r5,0xffff
ori r5,r5,0xf000
- lwz r5, 0(r5)
+ lwz r5,0(r5)
isync
- lis r3, CFG_CCSRBAR@h
- lwz r5, CFG_CCSRBAR@l(r3)
+ lis r3,CFG_CCSRBAR@h
+ lwz r5,CFG_CCSRBAR@l(r3)
isync
#endif
@@ -300,8 +206,8 @@ _start_e500:
lwzu r5,0(r6) /* how many windows we actually use */
mtctr r5
- li r2,0x0c28 /* the first pair is reserved for boot-over-rio-or-pci */
- li r1,0x0c30
+ li r2,0x0c28 /* the first pair is reserved for */
+ li r1,0x0c30 /* boot-over-rio-or-pci */
0: lwzu r4,4(r6)
lwzu r3,4(r6)
@@ -311,31 +217,6 @@ _start_e500:
addi r1,r1,0x0020
bdnz 0b
- /* Jump out the last 4K page and continue to 'normal' start */
-1: bl 3f
- b _start
-
-3: li r0,0
- mtspr SRR1,r0 /* Keep things disabled for now */
- mflr r1
- mtspr SRR0,r1
- rfi
-
-/*
- * r3 - 1st arg to board_init(): IMMP pointer
- * r4 - 2nd arg to board_init(): boot flag
- */
- .text
- .long 0x27051956 /* U-BOOT Magic Number */
- .globl version_string
-version_string:
- .ascii U_BOOT_VERSION
- .ascii " (", __DATE__, " - ", __TIME__, ")"
- .ascii CONFIG_IDENT_STRING, "\0"
-
- . = EXC_OFF_SYS_RESET
- .globl _start
-_start:
/* Clear and set up some registers. */
li r0,0x0000
lis r1,0xffff
@@ -354,17 +235,14 @@ _start:
/* Enable Time Base and Select Time Base Clock */
lis r0,HID0_EMCP@h /* Enable machine check */
- ori r0,r0,0x4000 /* time base is processor clock */
#if defined(CONFIG_ENABLE_36BIT_PHYS)
- ori r0,r0,0x0080 /* enable MAS7 updates */
+ ori r0,r0,(HID0_TBEN|HID0_ENMAS7)@l /* Enable Timebase & MAS7 */
+#else
+ ori r0,r0,HID0_TBEN@l /* enable Timebase */
#endif
mtspr HID0,r0
-#if defined(CONFIG_ADDR_STREAMING)
- li r0,0x3000
-#else
- li r0,0x1000
-#endif
+ li r0,(HID1_ASTME|HID1_ABE)@l /* Addr streaming & broadcast */
mtspr HID1,r0
/* Enable Branch Prediction */
@@ -383,37 +261,53 @@ _start:
#endif
/* L1 DCache is used for initial RAM */
- mfspr r2, L1CSR0
- ori r2, r2, 0x0003
- oris r2, r2, 0x0001
- mtspr L1CSR0, r2 /* enable/invalidate L1 Dcache */
- isync
/* Allocate Initial RAM in data cache.
*/
- lis r3, CFG_INIT_RAM_ADDR@h
- ori r3, r3, CFG_INIT_RAM_ADDR@l
- li r2, 512 /* 512*32=16K */
+ lis r3,CFG_INIT_RAM_ADDR@h
+ ori r3,r3,CFG_INIT_RAM_ADDR@l
+ li r2,512 /* 512*32=16K */
mtctr r2
- li r0, 0
+ li r0,0
1:
- dcbz r0, r3
- dcbtls 0,r0, r3
- addi r3, r3, 32
+ dcbz r0,r3
+ dcbtls 0,r0,r3
+ addi r3,r3,32
bdnz 1b
-#ifndef CFG_RAMBOOT
+ /* Jump out the last 4K page and continue to 'normal' start */
+#ifdef CFG_RAMBOOT
+ bl 3f
+ b _start_cont
+#else
/* Calculate absolute address in FLASH and jump there */
/*--------------------------------------------------------------*/
- lis r3, CFG_MONITOR_BASE@h
- ori r3, r3, CFG_MONITOR_BASE@l
- addi r3, r3, in_flash - _start + EXC_OFF_SYS_RESET
+ lis r3,CFG_MONITOR_BASE@h
+ ori r3,r3,CFG_MONITOR_BASE@l
+ addi r3,r3,_start_cont - _start + _START_OFFSET
mtlr r3
- blr
+#endif
-in_flash:
-#endif /* CFG_RAMBOOT */
+3: li r0,0
+ mtspr SRR1,r0 /* Keep things disabled for now */
+ mflr r1
+ mtspr SRR0,r1
+ rfi
+ isync
+ .text
+ .globl _start
+_start:
+ .long 0x27051956 /* U-BOOT Magic Number */
+ .globl version_string
+version_string:
+ .ascii U_BOOT_VERSION
+ .ascii " (", __DATE__, " - ", __TIME__, ")"
+ .ascii CONFIG_IDENT_STRING, "\0"
+
+ .align 4
+ .globl _start_cont
+_start_cont:
/* Setup the stack in initial RAM,could be L2-as-SRAM or L1 dcache*/
lis r1,CFG_INIT_RAM_ADDR@h
ori r1,r1,CFG_INIT_SP_OFFSET@l
@@ -424,26 +318,24 @@ in_flash:
stwu r1,-8(r1) /* Save back chain and move SP */
lis r0,RESET_VECTOR@h /* Address of reset vector */
- ori r0,r0, RESET_VECTOR@l
+ ori r0,r0,RESET_VECTOR@l
stwu r1,-8(r1) /* Save back chain and move SP */
stw r0,+12(r1) /* Save return addr (underflow vect) */
GET_GOT
bl cpu_init_f
- bl icache_enable
bl board_init_f
isync
-/* --FIXME-- machine check with MCSRRn and rfmci */
-
+ . = EXC_OFF_SYS_RESET
.globl _start_of_vectors
_start_of_vectors:
-#if 0
+
/* Critical input. */
- CRIT_EXCEPTION(0x0100, CritcalInput, CritcalInputException)
-#endif
-/* Machine check --FIXME-- Should be MACH_EXCEPTION */
- CRIT_EXCEPTION(0x0200, MachineCheck, MachineCheckException)
+ CRIT_EXCEPTION(0x0100, CriticalInput, CritcalInputException)
+
+/* Machine check */
+ MCK_EXCEPTION(0x200, MachineCheck, MachineCheckException)
/* Data Storage exception. */
STD_EXCEPTION(0x0300, DataStorage, UnknownException)
@@ -452,7 +344,7 @@ _start_of_vectors:
STD_EXCEPTION(0x0400, InstStorage, UnknownException)
/* External Interrupt exception. */
- STD_EXCEPTION(0x0500, ExtInterrupt, UnknownException)
+ STD_EXCEPTION(0x0500, ExtInterrupt, ExtIntException)
/* Alignment exception. */
. = 0x0600
@@ -469,8 +361,8 @@ Alignment:
mtlr r6
blrl
.L_Alignment:
- .long AlignmentException - _start + EXC_OFF_SYS_RESET
- .long int_return - _start + EXC_OFF_SYS_RESET
+ .long AlignmentException - _start + _START_OFFSET
+ .long int_return - _start + _START_OFFSET
/* Program check exception */
. = 0x0700
@@ -483,8 +375,8 @@ ProgramCheck:
mtlr r6
blrl
.L_ProgramCheck:
- .long ProgramCheckException - _start + EXC_OFF_SYS_RESET
- .long int_return - _start + EXC_OFF_SYS_RESET
+ .long ProgramCheckException - _start + _START_OFFSET
+ .long int_return - _start + _START_OFFSET
/* No FPU on MPC85xx. This exception is not supposed to happen.
*/
@@ -496,23 +388,23 @@ ProgramCheck:
* r3-... arguments
*/
SystemCall:
- addis r11,r0,0 /* get functions table addr */
- ori r11,r11,0 /* Note: this code is patched in trap_init */
- addis r12,r0,0 /* get number of functions */
+ addis r11,r0,0 /* get functions table addr */
+ ori r11,r11,0 /* Note: this code is patched in trap_init */
+ addis r12,r0,0 /* get number of functions */
ori r12,r12,0
- cmplw 0, r0, r12
+ cmplw 0,r0,r12
bge 1f
- rlwinm r0,r0,2,0,31 /* fn_addr = fn_tbl[r0] */
+ rlwinm r0,r0,2,0,31 /* fn_addr = fn_tbl[r0] */
add r11,r11,r0
lwz r11,0(r11)
- li r20,0xd00-4 /* Get stack pointer */
+ li r20,0xd00-4 /* Get stack pointer */
lwz r12,0(r20)
- subi r12,r12,12 /* Adjust stack pointer */
+ subi r12,r12,12 /* Adjust stack pointer */
li r0,0xc00+_end_back-SystemCall
- cmplw 0, r0, r12 /* Check stack overflow */
+ cmplw 0,r0,r12 /* Check stack overflow */
bgt 1f
stw r12,0(r20)
@@ -570,7 +462,7 @@ _end_back:
_end_of_vectors:
- . = 0x2100
+ . = . + (0x100 - ( . & 0xff )) /* align for debug */
/*
* This code finishes saving the registers to the exception frame
@@ -655,26 +547,58 @@ crit_return:
REST_GPR(31, r1)
lwz r2,_NIP(r1) /* Restore environment */
lwz r0,_MSR(r1)
- mtspr 990,r2 /* SRR2 */
- mtspr 991,r0 /* SRR3 */
+ mtspr SPRN_CSRR0,r2
+ mtspr SPRN_CSRR1,r0
lwz r0,GPR0(r1)
lwz r2,GPR2(r1)
lwz r1,GPR1(r1)
SYNC
rfci
+mck_return:
+ mfmsr r28 /* Disable interrupts */
+ li r4,0
+ ori r4,r4,MSR_EE
+ andc r28,r28,r4
+ SYNC /* Some chip revs need this... */
+ mtmsr r28
+ SYNC
+ lwz r2,_CTR(r1)
+ lwz r0,_LINK(r1)
+ mtctr r2
+ mtlr r0
+ lwz r2,_XER(r1)
+ lwz r0,_CCR(r1)
+ mtspr XER,r2
+ mtcrf 0xFF,r0
+ REST_10GPRS(3, r1)
+ REST_10GPRS(13, r1)
+ REST_8GPRS(23, r1)
+ REST_GPR(31, r1)
+ lwz r2,_NIP(r1) /* Restore environment */
+ lwz r0,_MSR(r1)
+ mtspr SPRN_MCSRR0,r2
+ mtspr SPRN_MCSRR1,r0
+ lwz r0,GPR0(r1)
+ lwz r2,GPR2(r1)
+ lwz r1,GPR1(r1)
+ SYNC
+ rfmci
+
/* Cache functions.
*/
invalidate_icache:
mfspr r0,L1CSR1
- ori r0,r0,0x0002
+ ori r0,r0,L1CSR1_ICFI
+ msync
+ isync
mtspr L1CSR1,r0
isync
- blr /* entire I cache */
+ blr /* entire I cache */
invalidate_dcache:
mfspr r0,L1CSR0
- ori r0,r0,0x0002
+ ori r0,r0,L1CSR0_DCFI
msync
isync
mtspr L1CSR0,r0
@@ -697,9 +621,9 @@ icache_enable:
.globl icache_disable
icache_disable:
mfspr r0,L1CSR1
- lis r1,0xfffffffe@h
- ori r1,r1,0xfffffffe@l
- and r0,r0,r1
+ lis r3,0
+ ori r3,r3,L1CSR1_ICE
+ andc r0,r0,r3
mtspr L1CSR1,r0
isync
blr
@@ -707,7 +631,7 @@ icache_disable:
.globl icache_status
icache_status:
mfspr r3,L1CSR1
- andi. r3,r3,1
+ andi. r3,r3,L1CSR1_ICE
blr
.globl dcache_enable
@@ -727,12 +651,10 @@ dcache_enable:
.globl dcache_disable
dcache_disable:
- mfspr r0,L1CSR0
- lis r1,0xfffffffe@h
- ori r1,r1,0xfffffffe@l
- and r0,r0,r1
- msync
- isync
+ mfspr r3,L1CSR0
+ lis r4,0
+ ori r4,r4,L1CSR0_DCE
+ andc r3,r3,r4
mtspr L1CSR0,r0
isync
blr
@@ -740,27 +662,27 @@ dcache_disable:
.globl dcache_status
dcache_status:
mfspr r3,L1CSR0
- andi. r3,r3,1
+ andi. r3,r3,L1CSR0_DCE
blr
.globl get_pir
get_pir:
- mfspr r3, PIR
+ mfspr r3,PIR
blr
.globl get_pvr
get_pvr:
- mfspr r3, PVR
+ mfspr r3,PVR
blr
.globl get_svr
get_svr:
- mfspr r3, SVR
+ mfspr r3,SVR
blr
.globl wr_tcr
wr_tcr:
- mtspr TCR, r3
+ mtspr TCR,r3
blr
/*------------------------------------------------------------------------------- */
@@ -913,16 +835,16 @@ ppcSync:
*/
.globl relocate_code
relocate_code:
- mr r1, r3 /* Set new stack pointer */
- mr r9, r4 /* Save copy of Init Data pointer */
- mr r10, r5 /* Save copy of Destination Address */
+ mr r1,r3 /* Set new stack pointer */
+ mr r9,r4 /* Save copy of Init Data pointer */
+ mr r10,r5 /* Save copy of Destination Address */
- mr r3, r5 /* Destination Address */
- lis r4, CFG_MONITOR_BASE@h /* Source Address */
- ori r4, r4, CFG_MONITOR_BASE@l
+ mr r3,r5 /* Destination Address */
+ lis r4,CFG_MONITOR_BASE@h /* Source Address */
+ ori r4,r4,CFG_MONITOR_BASE@l
lwz r5,GOT(__init_end)
sub r5,r5,r4
- li r6, CFG_CACHELINE_SIZE /* Cache Line Size */
+ li r6,CFG_CACHELINE_SIZE /* Cache Line Size */
/*
* Fix GOT pointer:
@@ -931,12 +853,12 @@ relocate_code:
*
* Offset:
*/
- sub r15, r10, r4
+ sub r15,r10,r4
/* First our own GOT */
- add r14, r14, r15
+ add r14,r14,r15
/* the the one used by the C code */
- add r30, r30, r15
+ add r30,r30,r15
/*
* Now relocate code
@@ -997,10 +919,10 @@ relocate_code:
* initialization, now running from RAM.
*/
- addi r0, r10, in_ram - _start + EXC_OFF_SYS_RESET
+ addi r0,r10,in_ram - _start + _START_OFFSET
mtlr r0
blr /* NEVER RETURNS! */
-
+ .globl in_ram
in_ram:
/*
@@ -1044,19 +966,19 @@ clear_bss:
lwz r3,GOT(__bss_start)
lwz r4,GOT(_end)
- cmplw 0, r3, r4
+ cmplw 0,r3,r4
beq 6f
- li r0, 0
+ li r0,0
5:
- stw r0, 0(r3)
- addi r3, r3, 4
- cmplw 0, r3, r4
+ stw r0,0(r3)
+ addi r3,r3,4
+ cmplw 0,r3,r4
bne 5b
6:
- mr r3, r9 /* Init Data pointer */
- mr r4, r10 /* Destination Address */
+ mr r3,r9 /* Init Data pointer */
+ mr r4,r10 /* Destination Address */
bl board_init_r
/*
@@ -1067,52 +989,54 @@ clear_bss:
*/
.globl trap_init
trap_init:
- lwz r7, GOT(_start)
- lwz r8, GOT(_end_of_vectors)
+ lwz r7,GOT(_start_of_vectors)
+ lwz r8,GOT(_end_of_vectors)
- li r9, 0x100 /* reset vector always at 0x100 */
+ li r9,0x100 /* reset vector always at 0x100 */
- cmplw 0, r7, r8
+ cmplw 0,r7,r8
bgelr /* return if r7>=r8 - just in case */
mflr r4 /* save link register */
1:
- lwz r0, 0(r7)
- stw r0, 0(r9)
- addi r7, r7, 4
- addi r9, r9, 4
- cmplw 0, r7, r8
+ lwz r0,0(r7)
+ stw r0,0(r9)
+ addi r7,r7,4
+ addi r9,r9,4
+ cmplw 0,r7,r8
bne 1b
/*
* relocate `hdlr' and `int_return' entries
*/
- li r7, .L_MachineCheck - _start + EXC_OFF_SYS_RESET
+ li r7,.L_CriticalInput - _start + _START_OFFSET
bl trap_reloc
- li r7, .L_DataStorage - _start + EXC_OFF_SYS_RESET
+ li r7,.L_MachineCheck - _start + _START_OFFSET
bl trap_reloc
- li r7, .L_InstStorage - _start + EXC_OFF_SYS_RESET
+ li r7,.L_DataStorage - _start + _START_OFFSET
bl trap_reloc
- li r7, .L_ExtInterrupt - _start + EXC_OFF_SYS_RESET
+ li r7,.L_InstStorage - _start + _START_OFFSET
bl trap_reloc
- li r7, .L_Alignment - _start + EXC_OFF_SYS_RESET
+ li r7,.L_ExtInterrupt - _start + _START_OFFSET
bl trap_reloc
- li r7, .L_ProgramCheck - _start + EXC_OFF_SYS_RESET
+ li r7,.L_Alignment - _start + _START_OFFSET
bl trap_reloc
- li r7, .L_FPUnavailable - _start + EXC_OFF_SYS_RESET
+ li r7,.L_ProgramCheck - _start + _START_OFFSET
bl trap_reloc
- li r7, .L_Decrementer - _start + EXC_OFF_SYS_RESET
+ li r7,.L_FPUnavailable - _start + _START_OFFSET
bl trap_reloc
- li r7, .L_IntervalTimer - _start + EXC_OFF_SYS_RESET
- li r8, _end_of_vectors - _start + EXC_OFF_SYS_RESET
+ li r7,.L_Decrementer - _start + _START_OFFSET
+ bl trap_reloc
+ li r7,.L_IntervalTimer - _start + _START_OFFSET
+ li r8,_end_of_vectors - _start + _START_OFFSET
2:
bl trap_reloc
- addi r7, r7, 0x100 /* next exception vector */
- cmplw 0, r7, r8
+ addi r7,r7,0x100 /* next exception vector */
+ cmplw 0,r7,r8
blt 2b
lis r7,0x0
- mtspr IVPR, r7
+ mtspr IVPR,r7
mtlr r4 /* restore link register */
blr
@@ -1121,13 +1045,13 @@ trap_init:
* Function: relocate entries for one exception vector
*/
trap_reloc:
- lwz r0, 0(r7) /* hdlr ... */
- add r0, r0, r3 /* ... += dest_addr */
- stw r0, 0(r7)
+ lwz r0,0(r7) /* hdlr ... */
+ add r0,r0,r3 /* ... += dest_addr */
+ stw r0,0(r7)
- lwz r0, 4(r7) /* int_return ... */
- add r0, r0, r3 /* ... += dest_addr */
- stw r0, 4(r7)
+ lwz r0,4(r7) /* int_return ... */
+ add r0,r0,r3 /* ... += dest_addr */
+ stw r0,4(r7)
blr
@@ -1135,13 +1059,13 @@ trap_reloc:
.globl unlock_ram_in_cache
unlock_ram_in_cache:
/* invalidate the INIT_RAM section */
- lis r3, (CFG_INIT_RAM_ADDR & ~31)@h
- ori r3, r3, (CFG_INIT_RAM_ADDR & ~31)@l
- li r2,512
- mtctr r2
-1: icbi r0, r3
- dcbi r0, r3
- addi r3, r3, 32
+ lis r3,(CFG_INIT_RAM_ADDR & ~31)@h
+ ori r3,r3,(CFG_INIT_RAM_ADDR & ~31)@l
+ li r4,512
+ mtctr r4
+1: icbi r0,r3
+ dcbi r0,r3
+ addi r3,r3,32
bdnz 1b
sync /* Wait for all icbi to complete on bus */
isync
diff --git a/cpu/mpc85xx/traps.c b/cpu/mpc85xx/traps.c
index 9cd621c..efc80c7 100644
--- a/cpu/mpc85xx/traps.c
+++ b/cpu/mpc85xx/traps.c
@@ -1,6 +1,7 @@
/*
* linux/arch/ppc/kernel/traps.c
*
+ * Copyright 2007 Freescale Semiconductor.
* Copyright (C) 2003 Motorola
* Modified by Xianghua Xiao(x.xiao@motorola.com)
*
@@ -145,10 +146,13 @@ CritcalInputException(struct pt_regs *regs)
panic("Critical Input Exception");
}
+int machinecheck_count = 0;
+int machinecheck_error = 0;
void
MachineCheckException(struct pt_regs *regs)
{
unsigned long fixup;
+ unsigned int mcsr, mcsrr0, mcsrr1, mcar;
/* Probing PCI using config cycles cause this exception
* when a device is not present. Catch it and return to
@@ -159,34 +163,62 @@ MachineCheckException(struct pt_regs *regs)
return;
}
+ mcsrr0 = mfspr(SPRN_MCSRR0);
+ mcsrr1 = mfspr(SPRN_MCSRR1);
+ mcsr = mfspr(SPRN_MCSR);
+ mcar = mfspr(SPRN_MCAR);
+
+ machinecheck_count++;
+ machinecheck_error=1;
+
#if defined(CONFIG_CMD_KGDB)
if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
printf("Machine check in kernel mode.\n");
- printf("Caused by (from msr): ");
- printf("regs %p ",regs);
- switch( regs->msr & 0x000F0000) {
- case (0x80000000>>12):
- printf("Machine check signal - probably due to mm fault\n"
- "with mmu off\n");
- break;
- case (0x80000000>>13):
- printf("Transfer error ack signal\n");
- break;
- case (0x80000000>>14):
- printf("Data parity signal\n");
- break;
- case (0x80000000>>15):
- printf("Address parity signal\n");
- break;
- default:
- printf("Unknown values in msr\n");
- }
+ printf("Caused by (from mcsr): ");
+ printf("mcsr = 0x%08x\n", mcsr);
+ if (mcsr & 0x80000000)
+ printf("Machine check input pin\n");
+ if (mcsr & 0x40000000)
+ printf("Instruction cache parity error\n");
+ if (mcsr & 0x20000000)
+ printf("Data cache push parity error\n");
+ if (mcsr & 0x10000000)
+ printf("Data cache parity error\n");
+ if (mcsr & 0x00000080)
+ printf("Bus instruction address error\n");
+ if (mcsr & 0x00000040)
+ printf("Bus Read address error\n");
+ if (mcsr & 0x00000020)
+ printf("Bus Write address error\n");
+ if (mcsr & 0x00000010)
+ printf("Bus Instruction data bus error\n");
+ if (mcsr & 0x00000008)
+ printf("Bus Read data bus error\n");
+ if (mcsr & 0x00000004)
+ printf("Bus Write bus error\n");
+ if (mcsr & 0x00000002)
+ printf("Bus Instruction parity error\n");
+ if (mcsr & 0x00000001)
+ printf("Bus Read parity error\n");
+
show_regs(regs);
+ printf("MCSR=0x%08x \tMCSRR0=0x%08x \nMCSRR1=0x%08x \tMCAR=0x%08x\n",
+ mcsr, mcsrr0, mcsrr1, mcar);
print_backtrace((unsigned long *)regs->gpr[1]);
- panic("machine check");
+ if (machinecheck_count > 10) {
+ panic("machine check count too high\n");
+ }
+
+ if (machinecheck_count > 1) {
+ regs->nip += 4; /* skip offending instruction */
+ printf("Skipping current instr, Returning to 0x%08x\n",
+ regs->nip);
+ } else {
+ printf("Returning back to 0x%08x\n",regs->nip);
+ }
}
void
@@ -253,6 +285,33 @@ UnknownException(struct pt_regs *regs)
regs->nip, regs->msr, regs->trap);
_exception(0, regs);
}
+void
+ExtIntException(struct pt_regs *regs)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile ccsr_pic_t *pic = &immap->im_pic;
+ uint vect;
+
+#if defined(CONFIG_CMD_KGDB)
+ if (debugger_exception_handler && (*debugger_exception_handler)(regs))
+ return;
+#endif
+
+ printf("External Interrupt Exception at PC: %lx, SR: %lx, vector=%lx",
+ regs->nip, regs->msr, regs->trap);
+ vect = pic->iack0;
+ printf(" irq IACK0@%05x=%d\n",&pic->iack0,vect);
+ show_regs(regs);
+ print_backtrace((unsigned long *)regs->gpr[1]);
+ machinecheck_count++;
+#ifdef EXTINT_NOSKIP
+ printf("Returning back to 0x%08x\n",regs->nip);
+#else
+ regs->nip += 4; /* skip offending instruction */
+ printf("Skipping current instr, Returning to 0x%08x\n",regs->nip);
+#endif
+
+}
void
DebugException(struct pt_regs *regs)
diff --git a/cpu/mpc86xx/cpu_init.c b/cpu/mpc86xx/cpu_init.c
index 4673d05..c8e4666 100644
--- a/cpu/mpc86xx/cpu_init.c
+++ b/cpu/mpc86xx/cpu_init.c
@@ -104,8 +104,8 @@ 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 08e0675..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)
*
@@ -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);
@@ -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((unsigned long)&timestamp);
-
/* Restore Decrementer Count */
set_dec(decrementer_count);
diff --git a/cpu/mpc86xx/start.S b/cpu/mpc86xx/start.S
index 412745b..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
@@ -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 fab1975..c84bfbf 100644
--- a/cpu/mpc86xx/traps.c
+++ b/cpu/mpc86xx/traps.c
@@ -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;
@@ -209,6 +212,7 @@ UnknownException(struct pt_regs *regs)
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);
diff --git a/cpu/nios/cpu.c b/cpu/nios/cpu.c
index d2bb2c0..5519e82 100644
--- a/cpu/nios/cpu.c
+++ b/cpu/nios/cpu.c
@@ -34,7 +34,7 @@ int checkcpu (void)
/* Get cpu version info */
val = rdctl (CTL_CPU_ID);
- printf ("CPU: ");
+ puts ("CPU: ");
printf ("%s", (val & 0x00008000) ? "Nios-16 " : "Nios-32 ");
rev_major = (val>>12) & 0x07;
rev_minor = (val>>4) & 0x0ff;
generated by cgit v1.1 at 2024-12-24 10:58:58 +0000