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-rw-r--r--cpu/mpc83xx/Makefile4
-rw-r--r--cpu/mpc83xx/cpu.c160
-rw-r--r--cpu/mpc83xx/cpu_init.c76
-rw-r--r--cpu/mpc83xx/i2c.c253
-rw-r--r--cpu/mpc83xx/interrupts.c9
-rw-r--r--cpu/mpc83xx/qe_io.c85
-rw-r--r--cpu/mpc83xx/resetvec.S6
-rw-r--r--cpu/mpc83xx/spd_sdram.c557
-rw-r--r--cpu/mpc83xx/speed.c312
-rw-r--r--cpu/mpc83xx/start.S57
-rw-r--r--cpu/mpc83xx/traps.c18
11 files changed, 818 insertions, 719 deletions
diff --git a/cpu/mpc83xx/Makefile b/cpu/mpc83xx/Makefile
index b2a6b3e..4b9dcc8 100644
--- a/cpu/mpc83xx/Makefile
+++ b/cpu/mpc83xx/Makefile
@@ -27,9 +27,9 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
-START = start.o resetvec.o
+START = start.o
COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o \
- i2c.o spd_sdram.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/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c
index 20bba6c..1b51078 100644
--- a/cpu/mpc83xx/cpu.c
+++ b/cpu/mpc83xx/cpu.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2004 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -18,11 +18,6 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
- *
- * Change log:
- *
- * 20050101: Eran Liberty (liberty@freescale.com)
- * Initial file creating (porting from 85XX & 8260)
*/
/*
@@ -43,35 +38,140 @@ DECLARE_GLOBAL_DATA_PTR;
int checkcpu(void)
{
+ volatile immap_t *immr;
ulong clock = gd->cpu_clk;
u32 pvr = get_pvr();
+ u32 spridr;
char buf[32];
+ immr = (immap_t *)CFG_IMMR;
+
if ((pvr & 0xFFFF0000) != PVR_83xx) {
puts("Not MPC83xx Family!!!\n");
return -1;
}
- puts("CPU: MPC83xx, ");
- switch(pvr) {
- case PVR_8349_REV10:
+ spridr = immr->sysconf.spridr;
+ puts("CPU: ");
+ switch(spridr) {
+ case SPR_8349E_REV10:
+ case SPR_8349E_REV11:
+ puts("MPC8349E, ");
+ break;
+ case SPR_8349_REV10:
+ case SPR_8349_REV11:
+ puts("MPC8349, ");
+ break;
+ case SPR_8347E_REV10_TBGA:
+ case SPR_8347E_REV11_TBGA:
+ case SPR_8347E_REV10_PBGA:
+ case SPR_8347E_REV11_PBGA:
+ puts("MPC8347E, ");
+ break;
+ case SPR_8347_REV10_TBGA:
+ case SPR_8347_REV11_TBGA:
+ case SPR_8347_REV10_PBGA:
+ case SPR_8347_REV11_PBGA:
+ puts("MPC8347, ");
+ break;
+ case SPR_8343E_REV10:
+ case SPR_8343E_REV11:
+ puts("MPC8343E, ");
break;
- case PVR_8349_REV11:
+ case SPR_8343_REV10:
+ case SPR_8343_REV11:
+ puts("MPC8343, ");
+ break;
+ case SPR_8360E_REV10:
+ case SPR_8360E_REV11:
+ case SPR_8360E_REV12:
+ puts("MPC8360E, ");
+ break;
+ case SPR_8360_REV10:
+ case SPR_8360_REV11:
+ case SPR_8360_REV12:
+ puts("MPC8360, ");
break;
default:
puts("Rev: Unknown\n");
return -1; /* Not sure what this is */
}
- printf("Rev: %d.%d at %s MHz\n", (pvr & 0xf0) >> 4,
- (pvr & 0x0f), strmhz(buf, clock));
+#if defined(CONFIG_MPC8349)
+ printf("Rev: %02x at %s MHz\n", (spridr & 0x0000FFFF)>>4 |(spridr & 0x0000000F), strmhz(buf, clock));
+#else
+ printf("Rev: %02x at %s MHz\n", spridr & 0x0000FFFF, strmhz(buf, clock));
+#endif
return 0;
}
+/*
+ * Program a UPM with the code supplied in the table.
+ *
+ * The 'dummy' variable is used to increment the MAD. 'dummy' is
+ * supposed to be a pointer to the memory of the device being
+ * programmed by the UPM. The data in the MDR is written into
+ * memory and the MAD is incremented every time there's a read
+ * from 'dummy'. Unfortunately, the current prototype for this
+ * function doesn't allow for passing the address of this
+ * device, and changing the prototype will break a number lots
+ * of other code, so we need to use a round-about way of finding
+ * the value for 'dummy'.
+ *
+ * The value can be extracted from the base address bits of the
+ * Base Register (BR) associated with the specific UPM. To find
+ * that BR, we need to scan all 8 BRs until we find the one that
+ * has its MSEL bits matching the UPM we want. Once we know the
+ * right BR, we can extract the base address bits from it.
+ *
+ * The MxMR and the BR and OR of the chosen bank should all be
+ * configured before calling this function.
+ *
+ * Parameters:
+ * upm: 0=UPMA, 1=UPMB, 2=UPMC
+ * table: Pointer to an array of values to program
+ * size: Number of elements in the array. Must be 64 or less.
+ */
void upmconfig (uint upm, uint *table, uint size)
{
- hang(); /* FIXME: upconfig() needed? */
+#if defined(CONFIG_MPC834X)
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile lbus83xx_t *lbus = &immap->lbus;
+ volatile uchar *dummy = NULL;
+ const u32 msel = (upm + 4) << BR_MSEL_SHIFT; /* What the MSEL field in BRn should be */
+ volatile u32 *mxmr = &lbus->mamr + upm; /* Pointer to mamr, mbmr, or mcmr */
+ uint i;
+
+ /* Scan all the banks to determine the base address of the device */
+ for (i = 0; i < 8; i++) {
+ if ((lbus->bank[i].br & BR_MSEL) == msel) {
+ dummy = (uchar *) (lbus->bank[i].br & BR_BA);
+ break;
+ }
+ }
+
+ if (!dummy) {
+ printf("Error: %s() could not find matching BR\n", __FUNCTION__);
+ hang();
+ }
+
+ /* Set the OP field in the MxMR to "write" and the MAD field to 000000 */
+ *mxmr = (*mxmr & 0xCFFFFFC0) | 0x10000000;
+
+ for (i = 0; i < size; i++) {
+ lbus->mdr = table[i];
+ __asm__ __volatile__ ("sync");
+ *dummy; /* Write the value to memory and increment MAD */
+ __asm__ __volatile__ ("sync");
+ }
+
+ /* Set the OP field in the MxMR to "normal" and the MAD field to 000000 */
+ *mxmr &= 0xCFFFFFC0;
+#else
+ printf("Error: %s() not defined for this configuration.\n", __FUNCTION__);
+ hang();
+#endif
}
@@ -83,7 +183,7 @@ do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
ulong addr;
#endif
- volatile immap_t *immap = (immap_t *) CFG_IMMRBAR;
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
#ifdef MPC83xx_RESET
/* Interrupts and MMU off */
@@ -150,9 +250,21 @@ unsigned long get_tbclk(void)
#if defined(CONFIG_WATCHDOG)
void watchdog_reset (void)
{
- hang(); /* FIXME: implement watchdog_reset()? */
+#ifdef CONFIG_MPC834X
+ int re_enable = disable_interrupts();
+
+ /* Reset the 83xx watchdog */
+ volatile immap_t *immr = (immap_t *) CFG_IMMR;
+ immr->wdt.swsrr = 0x556c;
+ immr->wdt.swsrr = 0xaa39;
+
+ if (re_enable)
+ enable_interrupts ();
+#else
+ hang();
+#endif
}
-#endif /* CONFIG_WATCHDOG */
+#endif
#if defined(CONFIG_OF_FLAT_TREE)
void
@@ -180,12 +292,12 @@ ft_cpu_setup(void *blob, bd_t *bd)
*p = cpu_to_be32(clock);
#ifdef CONFIG_MPC83XX_TSEC1
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/address", &len);
+ p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/local-mac-address", &len);
memcpy(p, bd->bi_enetaddr, 6);
#endif
#ifdef CONFIG_MPC83XX_TSEC2
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/address", &len);
+ p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/local-mac-address", &len);
memcpy(p, bd->bi_enet1addr, 6);
#endif
}
@@ -194,8 +306,8 @@ ft_cpu_setup(void *blob, bd_t *bd)
#if defined(CONFIG_DDR_ECC)
void dma_init(void)
{
- volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
- volatile dma8349_t *dma = &immap->dma;
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile dma83xx_t *dma = &immap->dma;
volatile u32 status = swab32(dma->dmasr0);
volatile u32 dmamr0 = swab32(dma->dmamr0);
@@ -225,8 +337,8 @@ void dma_init(void)
uint dma_check(void)
{
- volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
- volatile dma8349_t *dma = &immap->dma;
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile dma83xx_t *dma = &immap->dma;
volatile u32 status = swab32(dma->dmasr0);
volatile u32 byte_count = swab32(dma->dmabcr0);
@@ -244,8 +356,8 @@ uint dma_check(void)
int dma_xfer(void *dest, u32 count, void *src)
{
- volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
- volatile dma8349_t *dma = &immap->dma;
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile dma83xx_t *dma = &immap->dma;
volatile u32 dmamr0;
/* initialize DMASARn, DMADAR and DMAABCRn */
diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c
index 6ed0992..e5725fb 100644
--- a/cpu/mpc83xx/cpu_init.c
+++ b/cpu/mpc83xx/cpu_init.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2004 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -18,11 +18,6 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
- *
- * Change log:
- *
- * 20050101: Eran Liberty (liberty@freescale.com)
- * Initial file creating (porting from 85XX & 8260)
*/
#include <common.h>
@@ -31,6 +26,30 @@
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
+
/*
* Breathe some life into the CPU...
*
@@ -46,6 +65,37 @@ void cpu_init_f (volatile immap_t * im)
/* Clear initial global data */
memset ((void *) gd, 0, sizeof (gd_t));
+ /* system performance tweaking */
+
+#ifdef CFG_ACR_PIPE_DEP
+ /* Arbiter pipeline depth */
+ im->arbiter.acr = (im->arbiter.acr & ~ACR_PIPE_DEP) | (3 << ACR_PIPE_DEP_SHIFT);
+#endif
+
+#ifdef CFG_SPCR_TSEC1EP
+ /* TSEC1 Emergency priority */
+ im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC1EP) | (3 << SPCR_TSEC1EP_SHIFT);
+#endif
+
+#ifdef CFG_SPCR_TSEC2EP
+ /* TSEC2 Emergency priority */
+ im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC2EP) | (3 << SPCR_TSEC2EP_SHIFT);
+#endif
+
+#ifdef CFG_SCCR_TSEC1CM
+ /* TSEC1 clock mode */
+ im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC1CM) | (1 << SCCR_TSEC1CM_SHIFT);
+#endif
+#ifdef CFG_SCCR_TSEC2CM
+ /* TSEC2 & I2C1 clock mode */
+ im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC2CM) | (1 << SCCR_TSEC2CM_SHIFT);
+#endif
+
+#ifdef CFG_ACR_RPTCNT
+ /* Arbiter repeat count */
+ im->arbiter.acr = ((im->arbiter.acr & ~(ACR_RPTCNT)) | (3 << ACR_RPTCNT_SHIFT));
+#endif
+
/* RSR - Reset Status Register - clear all status (4.6.1.3) */
gd->reset_status = im->reset.rsr;
im->reset.rsr = ~(RSR_RES);
@@ -69,6 +119,10 @@ void cpu_init_f (volatile immap_t * im)
#ifdef CFG_SICRL
im->sysconf.sicrl = CFG_SICRL;
#endif
+#ifdef CONFIG_QE
+ /* Config QE ioports */
+ config_qe_ioports();
+#endif
/*
* Memory Controller:
@@ -157,12 +211,12 @@ void cpu_init_f (volatile immap_t * im)
#endif
}
-
-/*
- * Initialize higher level parts of CPU like time base and timers.
- */
-
int cpu_init_r (void)
{
+#ifdef CONFIG_QE
+ uint qe_base = CFG_IMMR + 0x00100000; /* QE immr base */
+ qe_init(qe_base);
+ qe_reset();
+#endif
return 0;
}
diff --git a/cpu/mpc83xx/i2c.c b/cpu/mpc83xx/i2c.c
deleted file mode 100644
index 70450f9..0000000
--- a/cpu/mpc83xx/i2c.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
- * (C) Copyright 2003,Motorola Inc.
- * Xianghua Xiao <x.xiao@motorola.com>
- * Adapted for Motorola 85xx chip.
- *
- * (C) Copyright 2003
- * Gleb Natapov <gnatapov@mrv.com>
- * Some bits are taken from linux driver writen by adrian@humboldt.co.uk
- *
- * Hardware I2C driver for MPC107 PCI bridge.
- *
- * 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
- *
- * Change log:
- *
- * 20050101: Eran Liberty (liberty@freescale.com)
- * Initial file creating (porting from 85XX & 8260)
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/io.h>
-
-#ifdef CONFIG_HARD_I2C
-#include <i2c.h>
-#include <asm/i2c.h>
-
-#if defined(CONFIG_MPC8349EMDS) || defined(CONFIG_TQM834X)
-i2c_t * mpc8349_i2c = (i2c_t*)(CFG_IMMRBAR + CFG_I2C_OFFSET);
-#endif
-
-void
-i2c_init(int speed, int slaveadd)
-{
- /* stop I2C controller */
- writeb(0x00 , &I2C->cr);
-
- /* set clock */
- writeb(0x3f, &I2C->fdr);
-
- /* set default filter */
- writeb(0x10,&I2C->dfsrr);
-
- /* write slave address */
- writeb(slaveadd, &I2C->adr);
-
- /* clear status register */
- writeb(0x00, &I2C->sr);
-
- /* start I2C controller */
- writeb(I2C_CR_MEN, &I2C->cr);
-}
-
-static __inline__ int
-i2c_wait4bus (void)
-{
- ulong timeval = get_timer (0);
- while (readb(&I2C->sr) & I2C_SR_MBB) {
- if (get_timer (timeval) > I2C_TIMEOUT) {
- return -1;
- }
- }
- return 0;
-}
-
-static __inline__ int
-i2c_wait (int write)
-{
- u32 csr;
- ulong timeval = get_timer(0);
- do {
- csr = readb(&I2C->sr);
-
- if (!(csr & I2C_SR_MIF))
- continue;
-
- writeb(0x0, &I2C->sr);
-
- if (csr & I2C_SR_MAL) {
- debug("i2c_wait: MAL\n");
- return -1;
- }
-
- if (!(csr & I2C_SR_MCF)) {
- debug("i2c_wait: unfinished\n");
- return -1;
- }
-
- if (write == I2C_WRITE && (csr & I2C_SR_RXAK)) {
- debug("i2c_wait: No RXACK\n");
- return -1;
- }
-
- return 0;
- } while (get_timer (timeval) < I2C_TIMEOUT);
-
- debug("i2c_wait: timed out\n");
- return -1;
-}
-
-static __inline__ int
-i2c_write_addr (u8 dev, u8 dir, int rsta)
-{
- writeb(I2C_CR_MEN | I2C_CR_MSTA | I2C_CR_MTX |
- (rsta?I2C_CR_RSTA:0),
- &I2C->cr);
-
- writeb((dev << 1) | dir, &I2C->dr);
-
- if (i2c_wait (I2C_WRITE) < 0)
- return 0;
- return 1;
-}
-
-static __inline__ int
-__i2c_write (u8 *data, int length)
-{
- int i;
-
- writeb(I2C_CR_MEN | I2C_CR_MSTA | I2C_CR_MTX,
- &I2C->cr);
-
- for (i=0; i < length; i++) {
- writeb(data[i], &I2C->dr);
-
- if (i2c_wait (I2C_WRITE) < 0)
- break;
- }
- return i;
-}
-
-static __inline__ int
-__i2c_read (u8 *data, int length)
-{
- int i;
-
- writeb(I2C_CR_MEN | I2C_CR_MSTA |
- ((length == 1) ? I2C_CR_TXAK : 0),
- &I2C->cr);
-
- /* dummy read */
- readb(&I2C->dr);
-
- for (i=0; i < length; i++) {
- if (i2c_wait (I2C_READ) < 0)
- break;
-
- /* Generate ack on last next to last byte */
- if (i == length - 2)
- writeb(I2C_CR_MEN | I2C_CR_MSTA |
- I2C_CR_TXAK,
- &I2C->cr);
-
- /* Generate stop on last byte */
- if (i == length - 1)
- writeb(I2C_CR_MEN | I2C_CR_TXAK, &I2C->cr);
-
- data[i] = readb(&I2C->dr);
- }
- return i;
-}
-
-int
-i2c_read (u8 dev, uint addr, int alen, u8 *data, int length)
-{
- int i = 0;
- u8 *a = (u8*)&addr;
-
- if (i2c_wait4bus () < 0)
- goto exit;
-
- if (i2c_write_addr (dev, I2C_WRITE, 0) == 0)
- goto exit;
-
- if (__i2c_write (&a[4 - alen], alen) != alen)
- goto exit;
-
- if (i2c_write_addr (dev, I2C_READ, 1) == 0)
- goto exit;
-
- i = __i2c_read (data, length);
-
- exit:
- writeb(I2C_CR_MEN, &I2C->cr);
- return !(i == length);
-}
-
-int
-i2c_write (u8 dev, uint addr, int alen, u8 *data, int length)
-{
- int i = 0;
- u8 *a = (u8*)&addr;
-
- if (i2c_wait4bus () < 0)
- goto exit;
-
- if (i2c_write_addr (dev, I2C_WRITE, 0) == 0)
- goto exit;
-
- if (__i2c_write (&a[4 - alen], alen) != alen)
- goto exit;
-
- i = __i2c_write (data, length);
-
- exit:
- writeb(I2C_CR_MEN, &I2C->cr);
- return !(i == length);
-}
-
-int i2c_probe (uchar chip)
-{
- int tmp;
-
- /*
- * Try to read the first location of the chip. The underlying
- * driver doesn't appear to support sending just the chip address
- * and looking for an <ACK> back.
- */
- udelay(10000);
- return i2c_read (chip, 0, 1, (uchar *)&tmp, 1);
-}
-
-uchar i2c_reg_read (uchar i2c_addr, uchar reg)
-{
- uchar buf[1];
-
- i2c_read (i2c_addr, reg, 1, buf, 1);
-
- return (buf[0]);
-}
-
-void i2c_reg_write (uchar i2c_addr, uchar reg, uchar val)
-{
- i2c_write (i2c_addr, reg, 1, &val, 1);
-}
-
-#endif /* CONFIG_HARD_I2C */
diff --git a/cpu/mpc83xx/interrupts.c b/cpu/mpc83xx/interrupts.c
index 5a0babf..bb1fe1a 100644
--- a/cpu/mpc83xx/interrupts.c
+++ b/cpu/mpc83xx/interrupts.c
@@ -21,13 +21,6 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
- *
- * Change log:
- *
- * Hacked for MPC8260 by Murray.Jensen@cmst.csiro.au, 22-Oct-00
- *
- * 20050101: Eran Liberty (liberty@freescale.com)
- * Initial file creating (porting from 85XX & 8260)
*/
#include <common.h>
@@ -45,7 +38,7 @@ struct irq_action {
int interrupt_init_cpu (unsigned *decrementer_count)
{
- volatile immap_t *immr = (immap_t *) CFG_IMMRBAR;
+ volatile immap_t *immr = (immap_t *) CFG_IMMR;
*decrementer_count = (gd->bus_clk / 4) / CFG_HZ;
diff --git a/cpu/mpc83xx/qe_io.c b/cpu/mpc83xx/qe_io.c
new file mode 100644
index 0000000..ebe3487
--- /dev/null
+++ b/cpu/mpc83xx/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_83xx.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 gpio83xx_t *par_io =(volatile gpio83xx_t *)&im->gpio;
+
+ /* 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->ioport[port].dir2) :
+ in_be32(&par_io->ioport[port].dir1);
+
+ if (pin > (NUM_OF_PINS/2) -1) {
+ out_be32(&par_io->ioport[port].dir2, ~pin_2bit_mask & tmp_val);
+ out_be32(&par_io->ioport[port].dir2, pin_2bit_dir | tmp_val);
+ } else {
+ out_be32(&par_io->ioport[port].dir1, ~pin_2bit_mask & tmp_val);
+ out_be32(&par_io->ioport[port].dir1, 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->ioport[port].podr);
+ if (open_drain) {
+ out_be32(&par_io->ioport[port].podr, pin_1bit_mask | tmp_val);
+ } else {
+ out_be32(&par_io->ioport[port].podr, ~pin_1bit_mask & tmp_val);
+ }
+
+ /* Setup the assignment */
+ tmp_val = (pin > (NUM_OF_PINS/2) - 1) ?
+ in_be32(&par_io->ioport[port].ppar2):
+ in_be32(&par_io->ioport[port].ppar1);
+ 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->ioport[port].ppar2, ~pin_2bit_mask & tmp_val);
+ out_be32(&par_io->ioport[port].ppar2, pin_2bit_assign | tmp_val);
+ } else {
+ out_be32(&par_io->ioport[port].ppar1, ~pin_2bit_mask & tmp_val);
+ out_be32(&par_io->ioport[port].ppar1, pin_2bit_assign | tmp_val);
+ }
+}
+
+#endif /* CONFIG_QE */
diff --git a/cpu/mpc83xx/resetvec.S b/cpu/mpc83xx/resetvec.S
deleted file mode 100644
index 3dfcd0d..0000000
--- a/cpu/mpc83xx/resetvec.S
+++ /dev/null
@@ -1,6 +0,0 @@
- .section .resetvec,"ax"
-#ifndef FIXME
-#if 0
- b _start_e500
-#endif
-#endif
diff --git a/cpu/mpc83xx/spd_sdram.c b/cpu/mpc83xx/spd_sdram.c
index 48624fe..cfc42c4 100644
--- a/cpu/mpc83xx/spd_sdram.c
+++ b/cpu/mpc83xx/spd_sdram.c
@@ -1,8 +1,10 @@
/*
+ * (C) Copyright 2006 Freescale Semiconductor, Inc.
+ *
* (C) Copyright 2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * Copyright 2004 Freescale Semiconductor.
+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
* (C) Copyright 2003 Motorola Inc.
* Xianghua Xiao (X.Xiao@motorola.com)
*
@@ -23,11 +25,6 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
- *
- * Change log:
- *
- * 20050101: Eran Liberty (liberty@freescale.com)
- * Initial file creating (porting from 85XX & 8260)
*/
#include <common.h>
@@ -39,7 +36,9 @@
#ifdef CONFIG_SPD_EEPROM
-#if defined(CONFIG_DDR_ECC)
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
extern void dma_init(void);
extern uint dma_check(void);
extern int dma_xfer(void *dest, uint count, void *src);
@@ -52,16 +51,16 @@ extern int dma_xfer(void *dest, uint count, void *src);
/*
* Convert picoseconds into clock cycles (rounding up if needed).
*/
-
int
picos_to_clk(int picos)
{
+ unsigned int ddr_bus_clk;
int clks;
- clks = picos / (2000000000 / (get_bus_freq(0) / 1000));
- if (picos % (2000000000 / (get_bus_freq(0) / 1000)) != 0) {
- clks++;
- }
+ ddr_bus_clk = gd->ddr_clk >> 1;
+ clks = picos / ((1000000000 / ddr_bus_clk) * 1000);
+ if (picos % ((1000000000 / ddr_bus_clk) * 1000) != 0)
+ clks++;
return clks;
}
@@ -103,33 +102,72 @@ static void spd_debug(spd_eeprom_t *spd)
long int spd_sdram()
{
- volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
- volatile ddr8349_t *ddr = &immap->ddr;
- volatile law8349_t *ecm = &immap->sysconf.ddrlaw[0];
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile ddr83xx_t *ddr = &immap->ddr;
+ volatile law83xx_t *ecm = &immap->sysconf.ddrlaw[0];
spd_eeprom_t spd;
- unsigned tmp, tmp1;
unsigned int memsize;
unsigned int law_size;
- unsigned char caslat;
- unsigned int trfc, trfc_clk, trfc_low;
-
+ unsigned char caslat, caslat_ctrl;
+ unsigned char burstlen;
+ unsigned int max_bus_clk;
+ unsigned int max_data_rate, effective_data_rate;
+ unsigned int ddrc_clk;
+ unsigned int refresh_clk;
+ unsigned sdram_cfg;
+ unsigned int ddrc_ecc_enable;
+
+ /* Read SPD parameters with I2C */
CFG_READ_SPD(SPD_EEPROM_ADDRESS, 0, 1, (uchar *) & spd, sizeof (spd));
#ifdef SPD_DEBUG
spd_debug(&spd);
#endif
+ /* Check the memory type */
+ if (spd.mem_type != SPD_MEMTYPE_DDR) {
+ printf("DDR: Module mem type is %02X\n", spd.mem_type);
+ return 0;
+ }
+
+ /* Check the number of physical bank */
if (spd.nrows > 2) {
- puts("DDR:Only two chip selects are supported on ADS.\n");
+ printf("DDR: The number of physical bank is %02X\n", spd.nrows);
+ return 0;
+ }
+
+ /* Check if the number of row of the module is in the range of DDRC */
+ if (spd.nrow_addr < 12 || spd.nrow_addr > 14) {
+ printf("DDR: Row number is out of range of DDRC, row=%02X\n",
+ spd.nrow_addr);
return 0;
}
- if (spd.nrow_addr < 12
- || spd.nrow_addr > 14
- || spd.ncol_addr < 8
- || spd.ncol_addr > 11) {
- puts("DDR:Row or Col number unsupported.\n");
+ /* Check if the number of col of the module is in the range of DDRC */
+ if (spd.ncol_addr < 8 || spd.ncol_addr > 11) {
+ printf("DDR: Col number is out of range of DDRC, col=%02X\n",
+ spd.ncol_addr);
return 0;
}
+ /* Setup DDR chip select register */
+#ifdef CFG_83XX_DDR_USES_CS0
+ ddr->csbnds[0].csbnds = (banksize(spd.row_dens) >> 24) - 1;
+ ddr->cs_config[0] = ( 1 << 31
+ | (spd.nrow_addr - 12) << 8
+ | (spd.ncol_addr - 8) );
+ debug("\n");
+ debug("cs0_bnds = 0x%08x\n",ddr->csbnds[0].csbnds);
+ debug("cs0_config = 0x%08x\n",ddr->cs_config[0]);
+ if (spd.nrows == 2) {
+ ddr->csbnds[1].csbnds = ( (banksize(spd.row_dens) >> 8)
+ | ((banksize(spd.row_dens) >> 23) - 1) );
+ ddr->cs_config[1] = ( 1<<31
+ | (spd.nrow_addr-12) << 8
+ | (spd.ncol_addr-8) );
+ debug("cs1_bnds = 0x%08x\n",ddr->csbnds[1].csbnds);
+ debug("cs1_config = 0x%08x\n",ddr->cs_config[1]);
+ }
+
+#else
ddr->csbnds[2].csbnds = (banksize(spd.row_dens) >> 24) - 1;
ddr->cs_config[2] = ( 1 << 31
| (spd.nrow_addr - 12) << 8
@@ -147,6 +185,7 @@ long int spd_sdram()
debug("cs3_bnds = 0x%08x\n",ddr->csbnds[3].csbnds);
debug("cs3_config = 0x%08x\n",ddr->cs_config[3]);
}
+#endif
if (spd.mem_type != 0x07) {
puts("No DDR module found!\n");
@@ -172,55 +211,135 @@ long int spd_sdram()
debug("DDR:ar=0x%08x\n", ecm->ar);
/*
- * find the largest CAS
+ * Find the largest CAS by locating the highest 1 bit
+ * in the spd.cas_lat field. Translate it to a DDR
+ * controller field value:
+ *
+ * CAS Lat DDR I Ctrl
+ * Clocks SPD Bit Value
+ * -------+--------+---------
+ * 1.0 0 001
+ * 1.5 1 010
+ * 2.0 2 011
+ * 2.5 3 100
+ * 3.0 4 101
+ * 3.5 5 110
+ * 4.0 6 111
*/
- if(spd.cas_lat & 0x40) {
- caslat = 7;
- } else if (spd.cas_lat & 0x20) {
- caslat = 6;
- } else if (spd.cas_lat & 0x10) {
- caslat = 5;
- } else if (spd.cas_lat & 0x08) {
- caslat = 4;
- } else if (spd.cas_lat & 0x04) {
- caslat = 3;
- } else if (spd.cas_lat & 0x02) {
- caslat = 2;
- } else if (spd.cas_lat & 0x01) {
- caslat = 1;
- } else {
- puts("DDR:no valid CAS Latency information.\n");
- return 0;
- }
+ caslat = __ilog2(spd.cas_lat);
- tmp = 20000 / (((spd.clk_cycle & 0xF0) >> 4) * 10
- + (spd.clk_cycle & 0x0f));
- debug("DDR:Module maximum data rate is: %dMhz\n", tmp);
-
- tmp1 = get_bus_freq(0) / 1000000;
- if (tmp1 < 230 && tmp1 >= 90 && tmp >= 230) {
- /* 90~230 range, treated as DDR 200 */
- if (spd.clk_cycle3 == 0xa0)
- caslat -= 2;
- else if(spd.clk_cycle2 == 0xa0)
- caslat--;
- } else if (tmp1 < 280 && tmp1 >= 230 && tmp >= 280) {
- /* 230-280 range, treated as DDR 266 */
- if (spd.clk_cycle3 == 0x75)
- caslat -= 2;
- else if (spd.clk_cycle2 == 0x75)
- caslat--;
- } else if (tmp1 < 350 && tmp1 >= 280 && tmp >= 350) {
- /* 280~350 range, treated as DDR 333 */
- if (spd.clk_cycle3 == 0x60)
- caslat -= 2;
- else if (spd.clk_cycle2 == 0x60)
- caslat--;
- } else if (tmp1 < 90 || tmp1 >= 350) {
- /* DDR rate out-of-range */
- puts("DDR:platform frequency is not fit for DDR rate\n");
+ if (caslat > 6 ) {
+ printf("DDR: Invalid SPD CAS Latency, caslat=%02X\n",
+ spd.cas_lat);
return 0;
}
+ max_bus_clk = 1000 *10 / (((spd.clk_cycle & 0xF0) >> 4) * 10
+ + (spd.clk_cycle & 0x0f));
+ max_data_rate = max_bus_clk * 2;
+
+ debug("DDR:Module maximum data rate is: %dMhz\n", max_data_rate);
+
+ ddrc_clk = gd->ddr_clk / 1000000;
+
+ if (max_data_rate >= 390) { /* it is DDR 400 */
+ if (ddrc_clk <= 410 && ddrc_clk > 350) {
+ /* DDR controller clk at 350~410 */
+ effective_data_rate = 400; /* 5ns */
+ caslat = caslat;
+ } else if (ddrc_clk <= 350 && ddrc_clk > 280) {
+ /* DDR controller clk at 280~350 */
+ effective_data_rate = 333; /* 6ns */
+ if (spd.clk_cycle2 == 0x60)
+ caslat = caslat - 1;
+ else
+ caslat = caslat;
+ } else if (ddrc_clk <= 280 && ddrc_clk > 230) {
+ /* DDR controller clk at 230~280 */
+ effective_data_rate = 266; /* 7.5ns */
+ if (spd.clk_cycle3 == 0x75)
+ caslat = caslat - 2;
+ else if (spd.clk_cycle2 == 0x60)
+ caslat = caslat - 1;
+ else
+ caslat = caslat;
+ } else if (ddrc_clk <= 230 && ddrc_clk > 90) {
+ /* DDR controller clk at 90~230 */
+ effective_data_rate = 200; /* 10ns */
+ if (spd.clk_cycle3 == 0x75)
+ caslat = caslat - 2;
+ else if (spd.clk_cycle2 == 0x60)
+ caslat = caslat - 1;
+ else
+ caslat = caslat;
+ }
+ } else if (max_data_rate >= 323) { /* it is DDR 333 */
+ if (ddrc_clk <= 350 && ddrc_clk > 280) {
+ /* DDR controller clk at 280~350 */
+ effective_data_rate = 333; /* 6ns */
+ caslat = caslat;
+ } else if (ddrc_clk <= 280 && ddrc_clk > 230) {
+ /* DDR controller clk at 230~280 */
+ effective_data_rate = 266; /* 7.5ns */
+ if (spd.clk_cycle2 == 0x75)
+ caslat = caslat - 1;
+ else
+ caslat = caslat;
+ } else if (ddrc_clk <= 230 && ddrc_clk > 90) {
+ /* DDR controller clk at 90~230 */
+ effective_data_rate = 200; /* 10ns */
+ if (spd.clk_cycle3 == 0xa0)
+ caslat = caslat - 2;
+ else if (spd.clk_cycle2 == 0x75)
+ caslat = caslat - 1;
+ else
+ caslat = caslat;
+ }
+ } else if (max_data_rate >= 256) { /* it is DDR 266 */
+ if (ddrc_clk <= 350 && ddrc_clk > 280) {
+ /* DDR controller clk at 280~350 */
+ printf("DDR: DDR controller freq is more than "
+ "max data rate of the module\n");
+ return 0;
+ } else if (ddrc_clk <= 280 && ddrc_clk > 230) {
+ /* DDR controller clk at 230~280 */
+ effective_data_rate = 266; /* 7.5ns */
+ caslat = caslat;
+ } else if (ddrc_clk <= 230 && ddrc_clk > 90) {
+ /* DDR controller clk at 90~230 */
+ effective_data_rate = 200; /* 10ns */
+ if (spd.clk_cycle2 == 0xa0)
+ caslat = caslat - 1;
+ }
+ } else if (max_data_rate >= 190) { /* it is DDR 200 */
+ if (ddrc_clk <= 350 && ddrc_clk > 230) {
+ /* DDR controller clk at 230~350 */
+ printf("DDR: DDR controller freq is more than "
+ "max data rate of the module\n");
+ return 0;
+ } else if (ddrc_clk <= 230 && ddrc_clk > 90) {
+ /* DDR controller clk at 90~230 */
+ effective_data_rate = 200; /* 10ns */
+ caslat = caslat;
+ }
+ }
+
+ debug("DDR:Effective data rate is: %dMhz\n", effective_data_rate);
+ debug("DDR:The MSB 1 of CAS Latency is: %d\n", caslat);
+
+ /*
+ * Errata DDR6 work around: input enable 2 cycles earlier.
+ * including MPC834x Rev1.0/1.1 and MPC8360 Rev1.1/1.2.
+ */
+ if (caslat == 2)
+ ddr->debug_reg = 0x201c0000; /* CL=2 */
+ else if (caslat == 3)
+ ddr->debug_reg = 0x202c0000; /* CL=2.5 */
+ else if (caslat == 4)
+ ddr->debug_reg = 0x202c0000; /* CL=3.0 */
+
+ __asm__ __volatile__ ("sync");
+
+ debug("Errata DDR6 (debug_reg=0x%08x)\n", ddr->debug_reg);
/*
* note: caslat must also be programmed into ddr->sdram_mode
@@ -229,16 +348,14 @@ long int spd_sdram()
* note: WRREC(Twr) and WRTORD(Twtr) are not in SPD,
* use conservative value here.
*/
- trfc = spd.trfc * 1000; /* up to ps */
- trfc_clk = picos_to_clk(trfc);
- trfc_low = (trfc_clk - 8) & 0xf;
+ caslat_ctrl = (caslat + 1) & 0x07; /* see as above */
ddr->timing_cfg_1 =
(((picos_to_clk(spd.trp * 250) & 0x07) << 28 ) |
((picos_to_clk(spd.tras * 1000) & 0x0f ) << 24 ) |
((picos_to_clk(spd.trcd * 250) & 0x07) << 20 ) |
- ((caslat & 0x07) << 16 ) |
- (trfc_low << 12 ) |
+ ((caslat_ctrl & 0x07) << 16 ) |
+ (((picos_to_clk(spd.trfc * 1000) - 8) & 0x0f) << 12 ) |
( 0x300 ) |
((picos_to_clk(spd.trrd * 250) & 0x07) << 4) | 1);
@@ -246,144 +363,143 @@ long int spd_sdram()
debug("DDR:timing_cfg_1=0x%08x\n", ddr->timing_cfg_1);
debug("DDR:timing_cfg_2=0x%08x\n", ddr->timing_cfg_2);
+ /* Setup init value, but not enable */
+ ddr->sdram_cfg = 0x42000000;
- /*
- * Only DDR I is supported
- * DDR I and II have different mode-register-set definition
+ /* Check DIMM data bus width */
+ if (spd.dataw_lsb == 0x20) {
+ burstlen = 0x03; /* 32 bit data bus, burst len is 8 */
+ printf("\n DDR DIMM: data bus width is 32 bit");
+ } else {
+ burstlen = 0x02; /* Others act as 64 bit bus, burst len is 4 */
+ printf("\n DDR DIMM: data bus width is 64 bit");
+ }
+
+ /* Is this an ECC DDR chip? */
+ if (spd.config == 0x02)
+ printf(" with ECC\n");
+ else
+ printf(" without ECC\n");
+
+ /* Burst length is always 4 for 64 bit data bus, 8 for 32 bit data bus,
+ Burst type is sequential
*/
- switch(caslat) {
- case 2:
- tmp = 0x50; /* 1.5 */
- break;
- case 3:
- tmp = 0x20; /* 2.0 */
- break;
- case 4:
- tmp = 0x60; /* 2.5 */
- break;
- case 5:
- tmp = 0x30; /* 3.0 */
- break;
- default:
- puts("DDR:only CAS Latency 1.5, 2.0, 2.5, 3.0 is supported.\n");
- return 0;
+ switch (caslat) {
+ case 1:
+ ddr->sdram_mode = 0x50 | burstlen; /* CL=1.5 */
+ break;
+ case 2:
+ ddr->sdram_mode = 0x20 | burstlen; /* CL=2.0 */
+ break;
+ case 3:
+ ddr->sdram_mode = 0x60 | burstlen; /* CL=2.5 */
+ break;
+ case 4:
+ ddr->sdram_mode = 0x30 | burstlen; /* CL=3.0 */
+ break;
+ default:
+ printf("DDR:only CL 1.5, 2.0, 2.5, 3.0 is supported\n");
+ return 0;
}
-#if defined (CONFIG_DDR_32BIT)
- /* set burst length to 8 for 32-bit data path */
- tmp |= 0x03;
-#else
- /* set burst length to 4 - default for 64-bit data path */
- tmp |= 0x02;
-#endif
- ddr->sdram_mode = tmp;
debug("DDR:sdram_mode=0x%08x\n", ddr->sdram_mode);
- switch(spd.refresh) {
- case 0x00:
- case 0x80:
- tmp = picos_to_clk(15625000);
- break;
- case 0x01:
- case 0x81:
- tmp = picos_to_clk(3900000);
- break;
- case 0x02:
- case 0x82:
- tmp = picos_to_clk(7800000);
- break;
- case 0x03:
- case 0x83:
- tmp = picos_to_clk(31300000);
- break;
- case 0x04:
- case 0x84:
- tmp = picos_to_clk(62500000);
- break;
- case 0x05:
- case 0x85:
- tmp = picos_to_clk(125000000);
- break;
- default:
- tmp = 0x512;
- break;
+ switch (spd.refresh) {
+ case 0x00:
+ case 0x80:
+ refresh_clk = picos_to_clk(15625000);
+ break;
+ case 0x01:
+ case 0x81:
+ refresh_clk = picos_to_clk(3900000);
+ break;
+ case 0x02:
+ case 0x82:
+ refresh_clk = picos_to_clk(7800000);
+ break;
+ case 0x03:
+ case 0x83:
+ refresh_clk = picos_to_clk(31300000);
+ break;
+ case 0x04:
+ case 0x84:
+ refresh_clk = picos_to_clk(62500000);
+ break;
+ case 0x05:
+ case 0x85:
+ refresh_clk = picos_to_clk(125000000);
+ break;
+ default:
+ refresh_clk = 0x512;
+ break;
}
/*
* Set BSTOPRE to 0x100 for page mode
* If auto-charge is used, set BSTOPRE = 0
*/
- ddr->sdram_interval = ((tmp & 0x3fff) << 16) | 0x100;
+ ddr->sdram_interval = ((refresh_clk & 0x3fff) << 16) | 0x100;
debug("DDR:sdram_interval=0x%08x\n", ddr->sdram_interval);
- /*
- * Is this an ECC DDR chip?
- */
-#if defined(CONFIG_DDR_ECC)
- if (spd.config == 0x02) {
- /* disable error detection */
- ddr->err_disable = ~ECC_ERROR_ENABLE;
+ /* SS_EN = 0, source synchronous disable
+ * CLK_ADJST = 0, MCK/MCK# is launched aligned with addr/cmd
+ */
+ ddr->sdram_clk_cntl = 0x00000000;
+ debug("DDR:sdram_clk_cntl=0x%08x\n", ddr->sdram_clk_cntl);
- /* set single bit error threshold to maximum value,
- * reset counter to zero */
- ddr->err_sbe = (255 << ECC_ERROR_MAN_SBET_SHIFT) |
- (0 << ECC_ERROR_MAN_SBEC_SHIFT);
- }
- debug("DDR:err_disable=0x%08x\n", ddr->err_disable);
- debug("DDR:err_sbe=0x%08x\n", ddr->err_sbe);
-#endif
asm("sync;isync");
- udelay(500);
-
- /*
- * SS_EN=1,
- * CLK_ADJST = 2-MCK/MCK_B, is lauched 1/2 of one SDRAM
- * clock cycle after address/command
- */
- /*ddr->sdram_clk_cntl = 0x82000000;*/
- ddr->sdram_clk_cntl = (DDR_SDRAM_CLK_CNTL_SS_EN|DDR_SDRAM_CLK_CNTL_CLK_ADJUST_05);
+ udelay(600);
/*
- * Figure out the settings for the sdram_cfg register. Build up
- * the entire register in 'tmp' before writing since the write into
+ * Figure out the settings for the sdram_cfg register. Build up
+ * the value in 'sdram_cfg' before writing since the write into
* the register will actually enable the memory controller, and all
* settings must be done before enabling.
*
* sdram_cfg[0] = 1 (ddr sdram logic enable)
* sdram_cfg[1] = 1 (self-refresh-enable)
* sdram_cfg[6:7] = 2 (SDRAM type = DDR SDRAM)
+ * sdram_cfg[12] = 0 (32_BE =0 , 64 bit bus mode)
+ * sdram_cfg[13] = 0 (8_BE =0, 4-beat bursts)
*/
- tmp = 0xc2000000;
+ sdram_cfg = 0xC2000000;
-#if defined (CONFIG_DDR_32BIT)
- /* in 32-Bit mode burst len is 8 beats */
- tmp |= (SDRAM_CFG_32_BE | SDRAM_CFG_8_BE);
-#endif
- /*
- * sdram_cfg[3] = RD_EN - registered DIMM enable
- * A value of 0x26 indicates micron registered DIMMS (micron.com)
- */
- if (spd.mod_attr == 0x26) {
- tmp |= 0x10000000;
- }
+ /* sdram_cfg[3] = RD_EN - registered DIMM enable */
+ if (spd.mod_attr & 0x02)
+ sdram_cfg |= 0x10000000;
+
+ /* The DIMM is 32bit width */
+ if (spd.dataw_lsb == 0x20)
+ sdram_cfg |= 0x000C0000;
+
+ ddrc_ecc_enable = 0;
#if defined(CONFIG_DDR_ECC)
- /*
- * If the user wanted ECC (enabled via sdram_cfg[2])
- */
+ /* Enable ECC with sdram_cfg[2] */
if (spd.config == 0x02) {
- tmp |= SDRAM_CFG_ECC_EN;
+ sdram_cfg |= 0x20000000;
+ ddrc_ecc_enable = 1;
+ /* disable error detection */
+ ddr->err_disable = ~ECC_ERROR_ENABLE;
+ /* set single bit error threshold to maximum value,
+ * reset counter to zero */
+ ddr->err_sbe = (255 << ECC_ERROR_MAN_SBET_SHIFT) |
+ (0 << ECC_ERROR_MAN_SBEC_SHIFT);
}
+
+ debug("DDR:err_disable=0x%08x\n", ddr->err_disable);
+ debug("DDR:err_sbe=0x%08x\n", ddr->err_sbe);
#endif
+ printf(" DDRC ECC mode: %s\n", ddrc_ecc_enable ? "ON":"OFF");
#if defined(CONFIG_DDR_2T_TIMING)
/*
* Enable 2T timing by setting sdram_cfg[16].
*/
- tmp |= SDRAM_CFG_2T_EN;
+ sdram_cfg |= SDRAM_CFG_2T_EN;
#endif
-
- ddr->sdram_cfg = tmp;
+ /* Enable controller, and GO! */
+ ddr->sdram_cfg = sdram_cfg;
asm("sync;isync");
udelay(500);
@@ -392,8 +508,7 @@ long int spd_sdram()
}
#endif /* CONFIG_SPD_EEPROM */
-
-#if defined(CONFIG_DDR_ECC)
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
/*
* Use timebase counter, get_timer() is not availabe
* at this point of initialization yet.
@@ -429,74 +544,48 @@ static __inline__ unsigned long get_tbms (void)
/* #define CONFIG_DDR_ECC_INIT_VIA_DMA */
void ddr_enable_ecc(unsigned int dram_size)
{
- uint *p;
- volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
- volatile ddr8349_t *ddr = &immap->ddr;
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile ddr83xx_t *ddr= &immap->ddr;
unsigned long t_start, t_end;
+ register u64 *p;
+ register uint size;
+ unsigned int pattern[2];
#if defined(CONFIG_DDR_ECC_INIT_VIA_DMA)
uint i;
#endif
-
- debug("Initialize a Cachline in DRAM\n");
icache_enable();
-
-#if defined(CONFIG_DDR_ECC_INIT_VIA_DMA)
- /* Initialise DMA for direct Transfers */
- dma_init();
-#endif
-
t_start = get_tbms();
+ pattern[0] = 0xdeadbeef;
+ pattern[1] = 0xdeadbeef;
#if !defined(CONFIG_DDR_ECC_INIT_VIA_DMA)
- debug("DDR init: Cache flush method\n");
- for (p = 0; p < (uint *)(dram_size); p++) {
- if (((unsigned int)p & 0x1f) == 0) {
- ppcDcbz((unsigned long) p);
- }
-
- /* write pattern to cache and flush */
- *p = (unsigned int)0xdeadbeef;
-
- if (((unsigned int)p & 0x1c) == 0x1c) {
- ppcDcbf((unsigned long) p);
- }
+ debug("ddr init: CPU FP write method\n");
+ size = dram_size;
+ for (p = 0; p < (u64*)(size); p++) {
+ ppcDWstore((u32*)p, pattern);
}
+ __asm__ __volatile__ ("sync");
#else
- printf("DDR init: DMA method\n");
- for (p = 0; p < (uint *)(8 * 1024); p++) {
- /* zero one data cache line */
- if (((unsigned int)p & 0x1f) == 0) {
- ppcDcbz((unsigned long)p);
- }
-
- /* write pattern to it and flush */
- *p = (unsigned int)0xdeadbeef;
-
- if (((unsigned int)p & 0x1c) == 0x1c) {
- ppcDcbf((unsigned long)p);
- }
+ debug("ddr init: DMA method\n");
+ size = 0x2000;
+ for (p = 0; p < (u64*)(size); p++) {
+ ppcDWstore((u32*)p, pattern);
}
+ __asm__ __volatile__ ("sync");
- /* 8K */
- dma_xfer((uint *)0x2000, 0x2000, (uint *)0);
- /* 16K */
- dma_xfer((uint *)0x4000, 0x4000, (uint *)0);
- /* 32K */
- dma_xfer((uint *)0x8000, 0x8000, (uint *)0);
- /* 64K */
- dma_xfer((uint *)0x10000, 0x10000, (uint *)0);
- /* 128k */
- dma_xfer((uint *)0x20000, 0x20000, (uint *)0);
- /* 256k */
- dma_xfer((uint *)0x40000, 0x40000, (uint *)0);
- /* 512k */
- dma_xfer((uint *)0x80000, 0x80000, (uint *)0);
- /* 1M */
- dma_xfer((uint *)0x100000, 0x100000, (uint *)0);
- /* 2M */
- dma_xfer((uint *)0x200000, 0x200000, (uint *)0);
- /* 4M */
- dma_xfer((uint *)0x400000, 0x400000, (uint *)0);
+ /* Initialise DMA for direct transfer */
+ dma_init();
+ /* Start DMA to transfer */
+ dma_xfer((uint *)0x2000, 0x2000, (uint *)0); /* 8K */
+ dma_xfer((uint *)0x4000, 0x4000, (uint *)0); /* 16K */
+ dma_xfer((uint *)0x8000, 0x8000, (uint *)0); /* 32K */
+ dma_xfer((uint *)0x10000, 0x10000, (uint *)0); /* 64K */
+ dma_xfer((uint *)0x20000, 0x20000, (uint *)0); /* 128K */
+ dma_xfer((uint *)0x40000, 0x40000, (uint *)0); /* 256K */
+ dma_xfer((uint *)0x80000, 0x80000, (uint *)0); /* 512K */
+ dma_xfer((uint *)0x100000, 0x100000, (uint *)0); /* 1M */
+ dma_xfer((uint *)0x200000, 0x200000, (uint *)0); /* 2M */
+ dma_xfer((uint *)0x400000, 0x400000, (uint *)0); /* 4M */
for (i = 1; i < dram_size / 0x800000; i++) {
dma_xfer((uint *)(0x800000*i), 0x800000, (uint *)0);
diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c
index ad6b3f6..7e53b1e 100644
--- a/cpu/mpc83xx/speed.c
+++ b/cpu/mpc83xx/speed.c
@@ -2,7 +2,7 @@
* (C) Copyright 2000-2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * Copyright 2004 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -21,11 +21,6 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
- *
- * Change log:
- *
- * 20050101: Eran Liberty (liberty@freescale.com)
- * Initial file creating (porting from 85XX & 8260)
*/
#include <common.h>
@@ -53,38 +48,38 @@ typedef enum {
typedef struct {
mult_t core_csb_ratio;
- mult_t vco_divider;
+ mult_t vco_divider;
} corecnf_t;
corecnf_t corecnf_tab[] = {
- { _byp, _byp}, /* 0x00 */
- { _byp, _byp}, /* 0x01 */
- { _byp, _byp}, /* 0x02 */
- { _byp, _byp}, /* 0x03 */
- { _byp, _byp}, /* 0x04 */
- { _byp, _byp}, /* 0x05 */
- { _byp, _byp}, /* 0x06 */
- { _byp, _byp}, /* 0x07 */
- { _1x, _x2}, /* 0x08 */
- { _1x, _x4}, /* 0x09 */
- { _1x, _x8}, /* 0x0A */
- { _1x, _x8}, /* 0x0B */
- {_1_5x, _x2}, /* 0x0C */
- {_1_5x, _x4}, /* 0x0D */
- {_1_5x, _x8}, /* 0x0E */
- {_1_5x, _x8}, /* 0x0F */
- { _2x, _x2}, /* 0x10 */
- { _2x, _x4}, /* 0x11 */
- { _2x, _x8}, /* 0x12 */
- { _2x, _x8}, /* 0x13 */
- {_2_5x, _x2}, /* 0x14 */
- {_2_5x, _x4}, /* 0x15 */
- {_2_5x, _x8}, /* 0x16 */
- {_2_5x, _x8}, /* 0x17 */
- { _3x, _x2}, /* 0x18 */
- { _3x, _x4}, /* 0x19 */
- { _3x, _x8}, /* 0x1A */
- { _3x, _x8}, /* 0x1B */
+ {_byp, _byp}, /* 0x00 */
+ {_byp, _byp}, /* 0x01 */
+ {_byp, _byp}, /* 0x02 */
+ {_byp, _byp}, /* 0x03 */
+ {_byp, _byp}, /* 0x04 */
+ {_byp, _byp}, /* 0x05 */
+ {_byp, _byp}, /* 0x06 */
+ {_byp, _byp}, /* 0x07 */
+ {_1x, _x2}, /* 0x08 */
+ {_1x, _x4}, /* 0x09 */
+ {_1x, _x8}, /* 0x0A */
+ {_1x, _x8}, /* 0x0B */
+ {_1_5x, _x2}, /* 0x0C */
+ {_1_5x, _x4}, /* 0x0D */
+ {_1_5x, _x8}, /* 0x0E */
+ {_1_5x, _x8}, /* 0x0F */
+ {_2x, _x2}, /* 0x10 */
+ {_2x, _x4}, /* 0x11 */
+ {_2x, _x8}, /* 0x12 */
+ {_2x, _x8}, /* 0x13 */
+ {_2_5x, _x2}, /* 0x14 */
+ {_2_5x, _x4}, /* 0x15 */
+ {_2_5x, _x8}, /* 0x16 */
+ {_2_5x, _x8}, /* 0x17 */
+ {_3x, _x2}, /* 0x18 */
+ {_3x, _x4}, /* 0x19 */
+ {_3x, _x8}, /* 0x1A */
+ {_3x, _x8}, /* 0x1B */
};
/* ----------------------------------------------------------------- */
@@ -92,91 +87,64 @@ corecnf_t corecnf_tab[] = {
/*
*
*/
-int get_clocks (void)
+int get_clocks(void)
{
- volatile immap_t *im = (immap_t *)CFG_IMMRBAR;
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
u32 pci_sync_in;
- u8 spmf;
- u8 clkin_div;
+ u8 spmf;
+ u8 clkin_div;
u32 sccr;
u32 corecnf_tab_index;
- u8 corepll;
+ u8 corepll;
u32 lcrr;
u32 csb_clk;
+#if defined(CONFIG_MPC8349)
u32 tsec1_clk;
u32 tsec2_clk;
- u32 core_clk;
u32 usbmph_clk;
u32 usbdr_clk;
- u32 i2c_clk;
+#endif
+ u32 core_clk;
+ u32 i2c1_clk;
+ u32 i2c2_clk;
u32 enc_clk;
u32 lbiu_clk;
u32 lclk_clk;
u32 ddr_clk;
-
- if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
+#if defined (CONFIG_MPC8360)
+ u32 qepmf;
+ u32 qepdf;
+ u32 ddr_sec_clk;
+ u32 qe_clk;
+ u32 brg_clk;
+#endif
+
+ if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
return -1;
-#ifndef CFG_HRCW_HIGH
-# error "CFG_HRCW_HIGH must be defined in board config file"
-#endif /* CFG_HCWD_HIGH */
-
-#if (CFG_HRCW_HIGH & HRCWH_PCI_HOST)
-
-# ifndef CONFIG_83XX_CLKIN
-# error "In PCI Host Mode, CONFIG_83XX_CLKIN must be defined in board config file"
-# endif /* CONFIG_83XX_CLKIN */
-# ifdef CONFIG_83XX_PCICLK
-# warning "In PCI Host Mode, CONFIG_83XX_PCICLK in board config file is igonred"
-# endif /* CONFIG_83XX_PCICLK */
-
- /* PCI Host Mode */
- if (!(im->reset.rcwh & RCWH_PCIHOST)) {
- /* though RCWH_PCIHOST is defined in CFG_HRCW_HIGH
- * the im->reset.rcwhr PCI Host Mode is disabled
- * FIXME: findout if there is a way to issue some warning */
- return -2;
- }
- if (im->clk.spmr & SPMR_CKID) {
- /* PCI Clock is half CONFIG_83XX_CLKIN */
- pci_sync_in = CONFIG_83XX_CLKIN / 2;
- }
- else {
- pci_sync_in = CONFIG_83XX_CLKIN;
- }
-
-#else /* (CFG_HRCW_HIGH & HRCWH_PCI_HOST) */
-
-# ifdef CONFIG_83XX_CLKIN
-# warning "In PCI Agent Mode, CONFIG_83XX_CLKIN in board config file is igonred"
-# endif /* CONFIG_83XX_CLKIN */
-# ifndef CONFIG_83XX_PCICLK
-# error "In PCI Agent Mode, CONFIG_83XX_PCICLK must be defined in board config file"
-# endif /* CONFIG_83XX_PCICLK */
+ clkin_div = ((im->clk.spmr & SPMR_CKID) >> SPMR_CKID_SHIFT);
- /* PCI Agent Mode */
- if (im->reset.rcwh & RCWH_PCIHOST) {
- /* though RCWH_PCIHOST is not defined in CFG_HRCW_HIGH
- * the im->reset.rcwhr PCI Host Mode is enabled */
- return -3;
+ if (im->reset.rcwh & HRCWH_PCI_HOST) {
+#if defined(CONFIG_83XX_CLKIN)
+ pci_sync_in = CONFIG_83XX_CLKIN / (1 + clkin_div);
+#else
+ pci_sync_in = 0xDEADBEEF;
+#endif
+ } else {
+#if defined(CONFIG_83XX_PCICLK)
+ pci_sync_in = CONFIG_83XX_PCICLK;
+#else
+ pci_sync_in = 0xDEADBEEF;
+#endif
}
- pci_sync_in = CONFIG_83XX_PCICLK;
-
-#endif /* (CFG_HRCW_HIGH | RCWH_PCIHOST) */
- /* we have up to date pci_sync_in */
spmf = ((im->reset.rcwl & RCWL_SPMF) >> RCWL_SPMF_SHIFT);
- clkin_div = ((im->clk.spmr & SPMR_CKID) >> SPMR_CKID_SHIFT);
-
- if ((im->reset.rcwl & RCWL_LBIUCM) || (im->reset.rcwl & RCWL_DDRCM)) {
- csb_clk = (pci_sync_in * spmf * (1 + clkin_div)) / 2;
- }
- else {
- csb_clk = pci_sync_in * spmf * (1 + clkin_div);
- }
+ csb_clk = pci_sync_in * (1 + clkin_div) * spmf;
sccr = im->clk.sccr;
+
+#if defined(CONFIG_MPC8349)
switch ((sccr & SCCR_TSEC1CM) >> SCCR_TSEC1CM_SHIFT) {
case 0:
tsec1_clk = 0;
@@ -212,25 +180,8 @@ int get_clocks (void)
/* unkown SCCR_TSEC2CM value */
return -5;
}
- i2c_clk = tsec2_clk;
- switch ((sccr & SCCR_ENCCM) >> SCCR_ENCCM_SHIFT) {
- case 0:
- enc_clk = 0;
- break;
- case 1:
- enc_clk = csb_clk;
- break;
- case 2:
- enc_clk = csb_clk / 2;
- break;
- case 3:
- enc_clk = csb_clk / 3;
- break;
- default:
- /* unkown SCCR_ENCCM value */
- return -6;
- }
+ i2c1_clk = tsec2_clk;
switch ((sccr & SCCR_USBMPHCM) >> SCCR_USBMPHCM_SHIFT) {
case 0:
@@ -268,14 +219,42 @@ int get_clocks (void)
return -8;
}
- if (usbmph_clk != 0
- && usbdr_clk != 0
- && usbmph_clk != usbdr_clk ) {
- /* if USB MPH clock is not disabled and USB DR clock is not disabled than USB MPH & USB DR must have the same rate */
+ if (usbmph_clk != 0 && usbdr_clk != 0 && usbmph_clk != usbdr_clk) {
+ /* if USB MPH clock is not disabled and
+ * USB DR clock is not disabled then
+ * USB MPH & USB DR must have the same rate
+ */
return -9;
}
+#endif
+#if defined (CONFIG_MPC8360)
+ i2c1_clk = csb_clk;
+#endif
+ i2c2_clk = csb_clk; /* i2c-2 clk is equal to csb clk */
- lbiu_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT));
+ switch ((sccr & SCCR_ENCCM) >> SCCR_ENCCM_SHIFT) {
+ case 0:
+ enc_clk = 0;
+ break;
+ case 1:
+ enc_clk = csb_clk;
+ break;
+ case 2:
+ enc_clk = csb_clk / 2;
+ break;
+ case 3:
+ enc_clk = csb_clk / 3;
+ break;
+ default:
+ /* unkown SCCR_ENCCM value */
+ return -6;
+ }
+#if defined(CONFIG_MPC8349) || defined(CONFIG_MPC8360)
+ lbiu_clk = csb_clk *
+ (1 + ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT));
+#else
+#error Unknown MPC83xx chip
+#endif
lcrr = (im->lbus.lcrr & LCRR_CLKDIV) >> LCRR_CLKDIV_SHIFT;
switch (lcrr) {
case 2:
@@ -287,12 +266,20 @@ int get_clocks (void)
/* unknown lcrr */
return -10;
}
-
- ddr_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_DDRCM) >> RCWL_DDRCM_SHIFT));
-
+#if defined(CONFIG_MPC8349) || defined(CONFIG_MPC8360)
+ ddr_clk = csb_clk *
+ (1 + ((im->reset.rcwl & RCWL_DDRCM) >> RCWL_DDRCM_SHIFT));
corepll = (im->reset.rcwl & RCWL_COREPLL) >> RCWL_COREPLL_SHIFT;
+#if defined (CONFIG_MPC8360)
+ ddr_sec_clk = csb_clk * (1 +
+ ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT));
+#endif
+#else
+#error Unknown MPC83xx chip
+#endif
+
corecnf_tab_index = ((corepll & 0x1F) << 2) | ((corepll & 0x60) >> 5);
- if (corecnf_tab_index > (sizeof(corecnf_tab)/sizeof(corecnf_t)) ) {
+ if (corecnf_tab_index > (sizeof(corecnf_tab) / sizeof(corecnf_t))) {
/* corecnf_tab_index is too high, possibly worng value */
return -11;
}
@@ -309,7 +296,7 @@ int get_clocks (void)
core_clk = 2 * csb_clk;
break;
case _2_5x:
- core_clk = ( 5 * csb_clk) / 2;
+ core_clk = (5 * csb_clk) / 2;
break;
case _3x:
core_clk = 3 * csb_clk;
@@ -319,46 +306,69 @@ int get_clocks (void)
return -12;
}
- gd->csb_clk = csb_clk ;
- gd->tsec1_clk = tsec1_clk ;
- gd->tsec2_clk = tsec2_clk ;
- gd->core_clk = core_clk ;
+#if defined (CONFIG_MPC8360)
+ qepmf = (im->reset.rcwl & RCWL_CEPMF) >> RCWL_CEPMF_SHIFT;
+ qepdf = (im->reset.rcwl & RCWL_CEPDF) >> RCWL_CEPDF_SHIFT;
+ qe_clk = (pci_sync_in * qepmf) / (1 + qepdf);
+ brg_clk = qe_clk / 2;
+#endif
+
+ gd->csb_clk = csb_clk;
+#if defined(CONFIG_MPC8349)
+ gd->tsec1_clk = tsec1_clk;
+ gd->tsec2_clk = tsec2_clk;
gd->usbmph_clk = usbmph_clk;
- gd->usbdr_clk = usbdr_clk ;
- gd->i2c_clk = i2c_clk ;
- gd->enc_clk = enc_clk ;
- gd->lbiu_clk = lbiu_clk ;
- gd->lclk_clk = lclk_clk ;
- gd->ddr_clk = ddr_clk ;
- gd->pci_clk = pci_sync_in;
-
+ gd->usbdr_clk = usbdr_clk;
+#endif
+ gd->core_clk = core_clk;
+ gd->i2c1_clk = i2c1_clk;
+ gd->i2c2_clk = i2c2_clk;
+ gd->enc_clk = enc_clk;
+ gd->lbiu_clk = lbiu_clk;
+ gd->lclk_clk = lclk_clk;
+ gd->ddr_clk = ddr_clk;
+#if defined (CONFIG_MPC8360)
+ gd->ddr_sec_clk = ddr_sec_clk;
+ gd->qe_clk = qe_clk;
+ gd->brg_clk = brg_clk;
+#endif
gd->cpu_clk = gd->core_clk;
- gd->bus_clk = gd->lbiu_clk;
+ gd->bus_clk = gd->csb_clk;
return 0;
+
}
/********************************************
* get_bus_freq
* return system bus freq in Hz
*********************************************/
-ulong get_bus_freq (ulong dummy)
+ulong get_bus_freq(ulong dummy)
{
return gd->csb_clk;
}
-int print_clock_conf (void)
+int print_clock_conf(void)
{
printf("Clock configuration:\n");
- printf(" Coherent System Bus: %4d MHz\n",gd->csb_clk/1000000);
- printf(" Core: %4d MHz\n",gd->core_clk/1000000);
- debug(" Local Bus Controller:%4d MHz\n",gd->lbiu_clk/1000000);
- printf(" Local Bus: %4d MHz\n",gd->lclk_clk/1000000);
- debug(" DDR: %4d MHz\n",gd->ddr_clk/1000000);
- debug(" I2C: %4d MHz\n",gd->i2c_clk/1000000);
- debug(" TSEC1: %4d MHz\n",gd->tsec1_clk/1000000);
- debug(" TSEC2: %4d MHz\n",gd->tsec2_clk/1000000);
- debug(" USB MPH: %4d MHz\n",gd->usbmph_clk/1000000);
- debug(" USB DR: %4d MHz\n",gd->usbdr_clk/1000000);
-
+ printf(" Coherent System Bus: %4d MHz\n", gd->csb_clk / 1000000);
+ printf(" Core: %4d MHz\n", gd->core_clk / 1000000);
+#if defined (CONFIG_MPC8360)
+ printf(" QE: %4d MHz\n", gd->qe_clk / 1000000);
+#endif
+ printf(" Local Bus Controller:%4d MHz\n", gd->lbiu_clk / 1000000);
+ printf(" Local Bus: %4d MHz\n", gd->lclk_clk / 1000000);
+ printf(" DDR: %4d MHz\n", gd->ddr_clk / 1000000);
+#if defined (CONFIG_MPC8360)
+ printf(" DDR Secondary: %4d MHz\n", gd->ddr_sec_clk / 1000000);
+#endif
+ printf(" SEC: %4d MHz\n", gd->enc_clk / 1000000);
+ printf(" I2C1: %4d MHz\n", gd->i2c1_clk / 1000000);
+ printf(" I2C2: %4d MHz\n", gd->i2c2_clk / 1000000);
+#if defined(CONFIG_MPC8349)
+ printf(" TSEC1: %4d MHz\n", gd->tsec1_clk / 1000000);
+ printf(" TSEC2: %4d MHz\n", gd->tsec2_clk / 1000000);
+ printf(" USB MPH: %4d MHz\n", gd->usbmph_clk / 1000000);
+ printf(" USB DR: %4d MHz\n", gd->usbdr_clk / 1000000);
+#endif
return 0;
}
diff --git a/cpu/mpc83xx/start.S b/cpu/mpc83xx/start.S
index 6e02cce..0f27bb6 100644
--- a/cpu/mpc83xx/start.S
+++ b/cpu/mpc83xx/start.S
@@ -2,7 +2,7 @@
* Copyright (C) 1998 Dan Malek <dmalek@jlc.net>
* Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
* Copyright (C) 2000, 2001,2002 Wolfgang Denk <wd@denx.de>
- * Copyright 2004 Freescale Semiconductor, Inc.
+ * Copyright Freescale Semiconductor, Inc. 2004, 2006. All rights reserved.
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -104,9 +104,9 @@ version_string:
#ifndef CONFIG_DEFAULT_IMMR
#error CONFIG_DEFAULT_IMMR must be defined
#endif /* CFG_DEFAULT_IMMR */
-#ifndef CFG_IMMRBAR
-#define CFG_IMMRBAR CONFIG_DEFAULT_IMMR
-#endif /* CFG_IMMRBAR */
+#ifndef CFG_IMMR
+#define CFG_IMMR CONFIG_DEFAULT_IMMR
+#endif /* CFG_IMMR */
/*
* After configuration, a system reset exception is executed using the
@@ -152,8 +152,8 @@ boot_cold: /* time t 3 */
nop
boot_warm: /* time t 5 */
mfmsr r5 /* save msr contents */
- lis r3, CFG_IMMRBAR@h
- ori r3, r3, CFG_IMMRBAR@l
+ lis r3, CFG_IMMR@h
+ ori r3, r3, CFG_IMMR@l
stw r3, IMMRBAR(r4)
/* Initialise the E300 processor core */
@@ -226,7 +226,7 @@ in_flash:
GET_GOT /* initialize GOT access */
/* r3: IMMR */
- lis r3, CFG_IMMRBAR@h
+ lis r3, CFG_IMMR@h
/* run low-level CPU init code (in Flash)*/
bl cpu_init_f
@@ -446,7 +446,7 @@ init_e300_core: /* time t 10 */
mtspr SRR1, r3 /* Make SRR1 match MSR */
- lis r3, CFG_IMMRBAR@h
+ lis r3, CFG_IMMR@h
#if defined(CONFIG_WATCHDOG)
/* Initialise the Wathcdog values and reset it (if req) */
/*------------------------------------------------------*/
@@ -870,6 +870,18 @@ ppcDcbz:
dcbz r0,r3
blr
+ .globl ppcDWstore
+ppcDWstore:
+ lfd 1, 0(r4)
+ stfd 1, 0(r3)
+ blr
+
+ .globl ppcDWload
+ppcDWload:
+ lfd 1, 0(r3)
+ stfd 1, 0(r4)
+ blr
+
/*-------------------------------------------------------------------*/
/*
@@ -1189,7 +1201,7 @@ map_flash_by_law1:
/* When booting from ROM (Flash or EPROM), clear the */
/* Address Mask in OR0 so ROM appears everywhere */
/*----------------------------------------------------*/
- lis r3, (CFG_IMMRBAR)@h /* r3 <= CFG_IMMRBAR */
+ lis r3, (CFG_IMMR)@h /* r3 <= CFG_IMMR */
lwz r4, OR0@l(r3)
li r5, 0x7fff /* r5 <= 0x00007FFFF */
and r4, r4, r5
@@ -1214,8 +1226,15 @@ map_flash_by_law1:
lis r4, (CFG_FLASH_BASE)@h
ori r4, r4, (CFG_FLASH_BASE)@l
stw r4, LBLAWBAR1(r3) /* LBLAWBAR1 <= CFG_FLASH_BASE */
- lis r4, (0x80000016)@h
- ori r4, r4, (0x80000016)@l
+
+ /* Store 0x80000012 + log2(CFG_FLASH_SIZE) into LBLAWAR1 */
+ lis r4, (0x80000012)@h
+ ori r4, r4, (0x80000012)@l
+ li r5, CFG_FLASH_SIZE
+1: srawi. r5, r5, 1 /* r5 = r5 >> 1 */
+ addi r4, r4, 1
+ bne 1b
+
stw r4, LBLAWAR1(r3) /* LBLAWAR1 <= 8MB Flash Size */
blr
@@ -1234,17 +1253,23 @@ remap_flash_by_law0:
stw r5, BR0(r3) /* r5 <= (CFG_FLASH_BASE & 0xFFFF8000) | (BR0 & 0x00007FFF) */
lwz r4, OR0(r3)
- lis r5, 0xFF80 /* 8M */
+ lis r5, ~((CFG_FLASH_SIZE << 4) - 1)
or r4, r4, r5
- stw r4, OR0(r3) /* OR0 <= OR0 | 0xFF800000 */
+ stw r4, OR0(r3)
lis r4, (CFG_FLASH_BASE)@h
ori r4, r4, (CFG_FLASH_BASE)@l
stw r4, LBLAWBAR0(r3) /* LBLAWBAR0 <= CFG_FLASH_BASE */
- lis r4, (0x80000016)@h
- ori r4, r4, (0x80000016)@l
- stw r4, LBLAWAR0(r3) /* LBLAWAR0 <= 8MB Flash Size */
+ /* Store 0x80000012 + log2(CFG_FLASH_SIZE) into LBLAWAR0 */
+ lis r4, (0x80000012)@h
+ ori r4, r4, (0x80000012)@l
+ li r5, CFG_FLASH_SIZE
+1: srawi. r5, r5, 1 /* r5 = r5 >> 1 */
+ addi r4, r4, 1
+ bne 1b
+ stw r4, LBLAWAR0(r3) /* LBLAWAR0 <= Flash Size */
+
xor r4, r4, r4
stw r4, LBLAWBAR1(r3)
diff --git a/cpu/mpc83xx/traps.c b/cpu/mpc83xx/traps.c
index 44345af..152fa73 100644
--- a/cpu/mpc83xx/traps.c
+++ b/cpu/mpc83xx/traps.c
@@ -1,5 +1,8 @@
/*
- * linux/arch/ppc/kernel/traps.c
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -15,19 +18,6 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
- *
- * Change log:
- *
- * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- * Modified by Cort Dougan (cort@cs.nmt.edu)
- * and Paul Mackerras (paulus@cs.anu.edu.au)
- *
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * 20050101: Eran Liberty (liberty@freescale.com)
- * Initial file creating (porting from 85XX & 8260)
*/
/*
generated by cgit v1.1 at 2024-11-01 16:06:30 +0000