summaryrefslogtreecommitdiffstats
path: root/cpu/ppc4xx
diff options
context:
space:
mode:
Diffstat (limited to 'cpu/ppc4xx')
-rw-r--r--cpu/ppc4xx/405gp_enet.c76
-rw-r--r--cpu/ppc4xx/405gp_pci.c23
-rw-r--r--cpu/ppc4xx/bedbug_405.c3
-rw-r--r--cpu/ppc4xx/cpu.c28
-rw-r--r--cpu/ppc4xx/i2c.c401
-rw-r--r--cpu/ppc4xx/interrupts.c1
-rw-r--r--cpu/ppc4xx/kgdb.S10
-rw-r--r--cpu/ppc4xx/miiphy.c1
-rw-r--r--cpu/ppc4xx/resetvec.S1
-rw-r--r--cpu/ppc4xx/sdram.c8
-rw-r--r--cpu/ppc4xx/spd_sdram.c1028
-rw-r--r--cpu/ppc4xx/speed.c2
-rw-r--r--cpu/ppc4xx/start.S248
-rw-r--r--cpu/ppc4xx/traps.c28
14 files changed, 926 insertions, 932 deletions
diff --git a/cpu/ppc4xx/405gp_enet.c b/cpu/ppc4xx/405gp_enet.c
index b7b03edbeb..9639c92e90 100644
--- a/cpu/ppc4xx/405gp_enet.c
+++ b/cpu/ppc4xx/405gp_enet.c
@@ -218,10 +218,10 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
/* AS.HARNOIS
* We should have :
* packetHandled <= packetReceived <= packetHandled+PKTBUFSRX
- * In the most cases packetHandled = packetReceived, but it
- * is possible that new packets (without relationship with
- * current transfer) have got the time to arrived before
- * netloop calls eth_halt
+ * In the most cases packetHandled = packetReceived, but it
+ * is possible that new packets (without relationship with
+ * current transfer) have got the time to arrived before
+ * netloop calls eth_halt
*/
printf ("About preceeding transfer:\n"
"- Sent packet number %d\n"
@@ -251,8 +251,8 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
tx_u_index = 0; /* Transmit User Queue Index */
#if defined(CONFIG_440)
- /* set RMII mode */
- out32 (ZMII_FER, ZMII_RMII | ZMII_MDI0);
+ /* set RMII mode */
+ out32 (ZMII_FER, ZMII_RMII | ZMII_MDI0);
#endif /* CONFIG_440 */
/* EMAC RESET */
@@ -426,8 +426,8 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
/* set receive low/high water mark register */
#if defined(CONFIG_440)
/* 440GP has a 64 byte burst length */
- out32 (EMAC_RX_HI_LO_WMARK, 0x80009000);
- out32 (EMAC_TXM1, 0xf8640000);
+ out32 (EMAC_RX_HI_LO_WMARK, 0x80009000);
+ out32 (EMAC_TXM1, 0xf8640000);
#else /* CONFIG_440 */
/* 405s have a 16 byte burst length */
out32 (EMAC_RX_HI_LO_WMARK, 0x0f002000);
@@ -530,8 +530,8 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, int len
/* loop until either TINT turns on or 3 seconds elapse */
if ((temp_txm0 & EMAC_TXM0_GNP0) != 0) {
/* transmit is done, so now check for errors
- * If there is an error, an interrupt should
- * happen when we return
+ * If there is an error, an interrupt should
+ * happen when we return
*/
time_now = get_timer (0);
if ((time_now - time_start) > 3000) {
@@ -568,16 +568,16 @@ int enetInt ()
my_uic1msr = mfdcr (uic1msr);
if (!(my_uic0msr & UIC_MRE)
- && !(my_uic1msr & (UIC_ETH0 | UIC_MS | UIC_MTDE | UIC_MRDE))) {
- /* not for us */
+ && !(my_uic1msr & (UIC_ETH0 | UIC_MS | UIC_MTDE | UIC_MRDE))) {
+ /* not for us */
return (rc);
}
/* get and clear controller status interrupts */
/* look at Mal and EMAC interrupts */
if ((my_uic0msr & UIC_MRE)
- || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
- /* we have a MAL interrupt */
+ || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
+ /* we have a MAL interrupt */
mal_isr = mfdcr (malesr);
/* look for mal error */
if (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE)) {
@@ -595,7 +595,7 @@ int enetInt ()
}
}
if ((emac_ier & emac_isr)
- || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
+ || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) {
mtdcr (uic0sr, UIC_MRE); /* Clear */
mtdcr (uic1sr, UIC_ETH0 | UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */
return (rc); /* we had errors so get out */
@@ -614,8 +614,8 @@ int enetInt ()
rc = 0;
}
}
- mtdcr (uic0sr, UIC_MRE); /* Clear */
- mtdcr (uic1sr, UIC_ETH0 | UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */
+ mtdcr (uic0sr, UIC_MRE); /* Clear */
+ mtdcr (uic1sr, UIC_ETH0 | UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */
} while (serviced);
return (rc);
@@ -866,42 +866,42 @@ static int ppc_4xx_eth_rx (struct eth_device *dev)
#if defined(CONFIG_NET_MULTI)
int ppc_4xx_eth_initialize(bd_t *bis)
{
- struct eth_device *dev;
- int eth_num = 0;
-
- dev = malloc (sizeof *dev);
- if (dev == NULL) {
- printf(__FUNCTION__ ": Cannot allocate eth_device\n");
- return (-1);
- }
-
- sprintf(dev->name, "ppc_4xx_eth%d", eth_num);
- dev->priv = (void *) eth_num;
- dev->init = ppc_4xx_eth_init;
- dev->halt = ppc_4xx_eth_halt;
- dev->send = ppc_4xx_eth_send;
- dev->recv = ppc_4xx_eth_rx;
-
- eth_register (dev);
+ struct eth_device *dev;
+ int eth_num = 0;
+
+ dev = malloc (sizeof *dev);
+ if (dev == NULL) {
+ printf(__FUNCTION__ ": Cannot allocate eth_device\n");
+ return (-1);
+ }
+
+ sprintf(dev->name, "ppc_4xx_eth%d", eth_num);
+ dev->priv = (void *) eth_num;
+ dev->init = ppc_4xx_eth_init;
+ dev->halt = ppc_4xx_eth_halt;
+ dev->send = ppc_4xx_eth_send;
+ dev->recv = ppc_4xx_eth_rx;
+
+ eth_register (dev);
}
#else /* !defined(CONFIG_NET_MULTI) */
void eth_halt (void)
{
- ppc_4xx_eth_halt(NULL);
+ ppc_4xx_eth_halt(NULL);
}
int eth_init (bd_t *bis)
{
- return (ppc_4xx_eth_init(NULL, bis));
+ return (ppc_4xx_eth_init(NULL, bis));
}
int eth_send(volatile void *packet, int length)
{
- return (ppc_4xx_eth_send(NULL, packet, length));
+ return (ppc_4xx_eth_send(NULL, packet, length));
}
int eth_rx(void)
{
- return (ppc_4xx_eth_rx(NULL));
+ return (ppc_4xx_eth_rx(NULL));
}
#endif /* !defined(CONFIG_NET_MULTI) */
diff --git a/cpu/ppc4xx/405gp_pci.c b/cpu/ppc4xx/405gp_pci.c
index 82142a2ccb..4b5472b70b 100644
--- a/cpu/ppc4xx/405gp_pci.c
+++ b/cpu/ppc4xx/405gp_pci.c
@@ -71,7 +71,6 @@
#include <common.h>
#include <command.h>
-#include <cmd_boot.h>
#if !defined(CONFIG_440)
#include <405gp_pci.h>
#endif
@@ -195,7 +194,7 @@ void pci_405gp_init(struct pci_controller *hose)
/*--------------------------------------------------------------------------+
* PMM2 is not used. Initialize them to zero.
*--------------------------------------------------------------------------*/
- out32r(PMM2MA, (pmmma[2]&~0x1));
+ out32r(PMM2MA, (pmmma[2]&~0x1));
out32r(PMM2LA, pmmla[2]);
out32r(PMM2PCILA, pmmpcila[2]);
out32r(PMM2PCIHA, pmmpciha[2]);
@@ -303,7 +302,7 @@ void pci_405gp_setup_bridge(struct pci_controller *hose, pci_dev_t dev,
struct pci_config_table *entry)
{
#ifdef DEBUG
- printf("405gp_setup_bridge\n");
+ printf("405gp_setup_bridge\n");
#endif
}
@@ -409,9 +408,9 @@ void pci_440_init (struct pci_controller *hose)
*--------------------------------------------------------------------------*/
strap = mfdcr(cpc0_strp1);
if( (strap & 0x00040000) == 0 ){
- printf("PCI: CPC0_STRP1[PISE] not set.\n");
- printf("PCI: Configuration aborted.\n");
- return;
+ printf("PCI: CPC0_STRP1[PISE] not set.\n");
+ printf("PCI: Configuration aborted.\n");
+ return;
}
/*--------------------------------------------------------------------------+
@@ -438,9 +437,9 @@ void pci_440_init (struct pci_controller *hose)
#if defined(CFG_PCI_PRE_INIT)
/* Let board change/modify hose & do initial checks */
if( pci_pre_init (hose) == 0 ){
- printf("PCI: Board-specific initialization failed.\n");
- printf("PCI: Configuration aborted.\n");
- return;
+ printf("PCI: Board-specific initialization failed.\n");
+ printf("PCI: Configuration aborted.\n");
+ return;
}
#endif
@@ -486,10 +485,10 @@ void pci_440_init (struct pci_controller *hose)
*--------------------------------------------------------------------------*/
if( is_pci_host(hose) ){
#ifdef CONFIG_PCI_SCAN_SHOW
- printf("PCI: Bus Dev VenId DevId Class Int\n");
+ printf("PCI: Bus Dev VenId DevId Class Int\n");
#endif
- out16r( PCIX0_CMD, in16r( PCIX0_CMD ) | PCI_COMMAND_MASTER);
- hose->last_busno = pci_hose_scan(hose);
+ out16r( PCIX0_CMD, in16r( PCIX0_CMD ) | PCI_COMMAND_MASTER);
+ hose->last_busno = pci_hose_scan(hose);
}
}
diff --git a/cpu/ppc4xx/bedbug_405.c b/cpu/ppc4xx/bedbug_405.c
index eabc583d21..23752f3940 100644
--- a/cpu/ppc4xx/bedbug_405.c
+++ b/cpu/ppc4xx/bedbug_405.c
@@ -5,8 +5,7 @@
#include <common.h>
#include <command.h>
#include <linux/ctype.h>
-
-#include <cmd_bedbug.h>
+#include <bedbug/type.h>
#include <bedbug/bedbug.h>
#include <bedbug/regs.h>
#include <bedbug/ppc.h>
diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c
index 095a0aa38c..1d7c0c9a78 100644
--- a/cpu/ppc4xx/cpu.c
+++ b/cpu/ppc4xx/cpu.c
@@ -165,20 +165,20 @@ int checkcpu (void)
puts("IBM PowerPC 440 Rev. ");
switch(pvr)
{
- case PVR_440GP_RB:
+ case PVR_440GP_RB:
putc('B');
- /* See errata 1.12: CHIP_4 */
- if( ( mfdcr(cpc0_sys0) != mfdcr(cpc0_strp0) )
- ||( mfdcr(cpc0_sys1) != mfdcr(cpc0_strp1) ) ){
- puts("\n\t CPC0_SYSx DCRs corrupted. Resetting chip ...\n");
- udelay( 1000 * 1000 ); /* Give time for serial buf to clear */
- do_chip_reset( mfdcr(cpc0_strp0), mfdcr(cpc0_strp1) );
- }
+ /* See errata 1.12: CHIP_4 */
+ if( ( mfdcr(cpc0_sys0) != mfdcr(cpc0_strp0) )
+ ||( mfdcr(cpc0_sys1) != mfdcr(cpc0_strp1) ) ){
+ puts("\n\t CPC0_SYSx DCRs corrupted. Resetting chip ...\n");
+ udelay( 1000 * 1000 ); /* Give time for serial buf to clear */
+ do_chip_reset( mfdcr(cpc0_strp0), mfdcr(cpc0_strp1) );
+ }
break;
- case PVR_440GP_RC:
+ case PVR_440GP_RC:
putc('C');
break;
- default:
+ default:
printf("UNKNOWN (PVR=%08x)", pvr);
break;
}
@@ -192,11 +192,11 @@ int checkcpu (void)
/* ------------------------------------------------------------------------- */
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
+int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
- /*
- * Initiate system reset in debug control register DBCR
- */
+ /*
+ * Initiate system reset in debug control register DBCR
+ */
__asm__ __volatile__("lis 3, 0x3000" ::: "r3");
#if defined(CONFIG_440)
__asm__ __volatile__("mtspr 0x134, 3");
diff --git a/cpu/ppc4xx/i2c.c b/cpu/ppc4xx/i2c.c
index 4bf0bbd99c..099d30a056 100644
--- a/cpu/ppc4xx/i2c.c
+++ b/cpu/ppc4xx/i2c.c
@@ -85,7 +85,7 @@ void i2c_init (int speed, int slaveadd)
unsigned long freqOPB;
int val, divisor;
-#ifdef CFG_I2C_INIT_BOARD
+#ifdef CFG_I2C_INIT_BOARD
/* call board specific i2c bus reset routine before accessing the */
/* environment, which might be in a chip on that bus. For details */
/* about this problem see doc/I2C_Edge_Conditions. */
@@ -134,19 +134,19 @@ void i2c_init (int speed, int slaveadd)
__asm__ volatile ("eieio");
- val = in8(IIC_MDCNTL);
- __asm__ volatile ("eieio");
+ val = in8(IIC_MDCNTL);
+ __asm__ volatile ("eieio");
- /* Ignore General Call, slave transfers are ignored,
- disable interrupts, exit unknown bus state, enable hold
- SCL
- 100kHz normaly or FastMode for 400kHz and above
- */
+ /* Ignore General Call, slave transfers are ignored,
+ disable interrupts, exit unknown bus state, enable hold
+ SCL
+ 100kHz normaly or FastMode for 400kHz and above
+ */
- val |= IIC_MDCNTL_EUBS|IIC_MDCNTL_HSCL;
- if( speed >= 400000 ){
- val |= IIC_MDCNTL_FSM;
- }
+ val |= IIC_MDCNTL_EUBS|IIC_MDCNTL_HSCL;
+ if( speed >= 400000 ){
+ val |= IIC_MDCNTL_FSM;
+ }
out8 (IIC_MDCNTL, val);
/* clear control reg */
@@ -182,153 +182,153 @@ void i2c_init (int speed, int slaveadd)
*/
static
int i2c_transfer(unsigned char cmd_type,
- unsigned char chip,
- unsigned char addr[],
- unsigned char addr_len,
- unsigned char data[],
+ unsigned char chip,
+ unsigned char addr[],
+ unsigned char addr_len,
+ unsigned char data[],
unsigned short data_len )
{
- unsigned char* ptr;
- int reading;
- int tran,cnt;
- int result;
- int status;
- int i;
- uchar creg;
-
- if( data == 0 || data_len == 0 ){
- /*Don't support data transfer of no length or to address 0*/
- printf( "i2c_transfer: bad call\n" );
- return IIC_NOK;
- }
- if( addr && addr_len ){
- ptr = addr;
- cnt = addr_len;
- reading = 0;
- }else{
- ptr = data;
- cnt = data_len;
- reading = cmd_type;
- }
-
- /*Clear Stop Complete Bit*/
- out8(IIC_STS,IIC_STS_SCMP);
- /* Check init */
- i=10;
- do {
- /* Get status */
- status = in8(IIC_STS);
- __asm__ volatile("eieio");
- i--;
- } while ((status & IIC_STS_PT) && (i>0));
-
- if (status & IIC_STS_PT) {
- result = IIC_NOK_TOUT;
- return(result);
- }
- /*flush the Master/Slave Databuffers*/
- out8(IIC_MDCNTL, ((in8(IIC_MDCNTL))|IIC_MDCNTL_FMDB|IIC_MDCNTL_FSDB));
- /*need to wait 4 OPB clocks? code below should take that long*/
-
- /* 7-bit adressing */
- out8(IIC_HMADR,0);
- out8(IIC_LMADR, chip);
- __asm__ volatile("eieio");
-
- tran = 0;
- result = IIC_OK;
- creg = 0;
-
- while ( tran != cnt && (result == IIC_OK)) {
- int bc,j;
-
- /* Control register =
- Normal transfer, 7-bits adressing, Transfer up to bc bytes, Normal start,
- Transfer is a sequence of transfers
- */
- creg |= IIC_CNTL_PT;
-
- bc = (cnt - tran) > 4 ? 4 :
- cnt - tran;
- creg |= (bc-1)<<4;
- /* if the real cmd type is write continue trans*/
- if ( (!cmd_type && (ptr == addr)) || ((tran+bc) != cnt) )
- creg |= IIC_CNTL_CHT;
-
- if (reading)
- creg |= IIC_CNTL_READ;
- else {
- for(j=0; j<bc; j++) {
- /* Set buffer */
- out8(IIC_MDBUF,ptr[tran+j]);
- __asm__ volatile("eieio");
- }
- }
- out8(IIC_CNTL, creg );
- __asm__ volatile("eieio");
-
- /* Transfer is in progress
- we have to wait for upto 5 bytes of data
- 1 byte chip address+r/w bit then bc bytes
- of data.
- udelay(10) is 1 bit time at 100khz
- Doubled for slop. 20 is too small.
+ unsigned char* ptr;
+ int reading;
+ int tran,cnt;
+ int result;
+ int status;
+ int i;
+ uchar creg;
+
+ if( data == 0 || data_len == 0 ){
+ /*Don't support data transfer of no length or to address 0*/
+ printf( "i2c_transfer: bad call\n" );
+ return IIC_NOK;
+ }
+ if( addr && addr_len ){
+ ptr = addr;
+ cnt = addr_len;
+ reading = 0;
+ }else{
+ ptr = data;
+ cnt = data_len;
+ reading = cmd_type;
+ }
+
+ /*Clear Stop Complete Bit*/
+ out8(IIC_STS,IIC_STS_SCMP);
+ /* Check init */
+ i=10;
+ do {
+ /* Get status */
+ status = in8(IIC_STS);
+ __asm__ volatile("eieio");
+ i--;
+ } while ((status & IIC_STS_PT) && (i>0));
+
+ if (status & IIC_STS_PT) {
+ result = IIC_NOK_TOUT;
+ return(result);
+ }
+ /*flush the Master/Slave Databuffers*/
+ out8(IIC_MDCNTL, ((in8(IIC_MDCNTL))|IIC_MDCNTL_FMDB|IIC_MDCNTL_FSDB));
+ /*need to wait 4 OPB clocks? code below should take that long*/
+
+ /* 7-bit adressing */
+ out8(IIC_HMADR,0);
+ out8(IIC_LMADR, chip);
+ __asm__ volatile("eieio");
+
+ tran = 0;
+ result = IIC_OK;
+ creg = 0;
+
+ while ( tran != cnt && (result == IIC_OK)) {
+ int bc,j;
+
+ /* Control register =
+ Normal transfer, 7-bits adressing, Transfer up to bc bytes, Normal start,
+ Transfer is a sequence of transfers
*/
- i=2*5*8;
- do {
- /* Get status */
- status = in8(IIC_STS);
- __asm__ volatile("eieio");
- udelay (10);
- i--;
- } while ((status & IIC_STS_PT) && !(status & IIC_STS_ERR)
+ creg |= IIC_CNTL_PT;
+
+ bc = (cnt - tran) > 4 ? 4 :
+ cnt - tran;
+ creg |= (bc-1)<<4;
+ /* if the real cmd type is write continue trans*/
+ if ( (!cmd_type && (ptr == addr)) || ((tran+bc) != cnt) )
+ creg |= IIC_CNTL_CHT;
+
+ if (reading)
+ creg |= IIC_CNTL_READ;
+ else {
+ for(j=0; j<bc; j++) {
+ /* Set buffer */
+ out8(IIC_MDBUF,ptr[tran+j]);
+ __asm__ volatile("eieio");
+ }
+ }
+ out8(IIC_CNTL, creg );
+ __asm__ volatile("eieio");
+
+ /* Transfer is in progress
+ we have to wait for upto 5 bytes of data
+ 1 byte chip address+r/w bit then bc bytes
+ of data.
+ udelay(10) is 1 bit time at 100khz
+ Doubled for slop. 20 is too small.
+ */
+ i=2*5*8;
+ do {
+ /* Get status */
+ status = in8(IIC_STS);
+ __asm__ volatile("eieio");
+ udelay (10);
+ i--;
+ } while ((status & IIC_STS_PT) && !(status & IIC_STS_ERR)
&& (i>0));
- if (status & IIC_STS_ERR) {
- result = IIC_NOK;
- status = in8 (IIC_EXTSTS);
- /* Lost arbitration? */
- if (status & IIC_EXTSTS_LA)
- result = IIC_NOK_LA;
- /* Incomplete transfer? */
- if (status & IIC_EXTSTS_ICT)
- result = IIC_NOK_ICT;
- /* Transfer aborted? */
- if (status & IIC_EXTSTS_XFRA)
- result = IIC_NOK_XFRA;
- } else if ( status & IIC_STS_PT) {
- result = IIC_NOK_TOUT;
- }
- /* Command is reading => get buffer */
- if ((reading) && (result == IIC_OK)) {
- /* Are there data in buffer */
- if (status & IIC_STS_MDBS) {
- /*
- even if we have data we have to wait 4OPB clocks
- for it to hit the front of the FIFO, after that
- we can just read. We should check XFCNT here and
- if the FIFO is full there is no need to wait.
+ if (status & IIC_STS_ERR) {
+ result = IIC_NOK;
+ status = in8 (IIC_EXTSTS);
+ /* Lost arbitration? */
+ if (status & IIC_EXTSTS_LA)
+ result = IIC_NOK_LA;
+ /* Incomplete transfer? */
+ if (status & IIC_EXTSTS_ICT)
+ result = IIC_NOK_ICT;
+ /* Transfer aborted? */
+ if (status & IIC_EXTSTS_XFRA)
+ result = IIC_NOK_XFRA;
+ } else if ( status & IIC_STS_PT) {
+ result = IIC_NOK_TOUT;
+ }
+ /* Command is reading => get buffer */
+ if ((reading) && (result == IIC_OK)) {
+ /* Are there data in buffer */
+ if (status & IIC_STS_MDBS) {
+ /*
+ even if we have data we have to wait 4OPB clocks
+ for it to hit the front of the FIFO, after that
+ we can just read. We should check XFCNT here and
+ if the FIFO is full there is no need to wait.
*/
- udelay (1);
- for(j=0;j<bc;j++) {
- ptr[tran+j] = in8(IIC_MDBUF);
- __asm__ volatile("eieio");
- }
- } else
- result = IIC_NOK_DATA;
- }
- creg = 0;
- tran+=bc;
- if( ptr == addr && tran == cnt ) {
- ptr = data;
- cnt = data_len;
- tran = 0;
- reading = cmd_type;
- if( reading )
- creg = IIC_CNTL_RPST;
- }
- }
- return (result);
+ udelay (1);
+ for(j=0;j<bc;j++) {
+ ptr[tran+j] = in8(IIC_MDBUF);
+ __asm__ volatile("eieio");
+ }
+ } else
+ result = IIC_NOK_DATA;
+ }
+ creg = 0;
+ tran+=bc;
+ if( ptr == addr && tran == cnt ) {
+ ptr = data;
+ cnt = data_len;
+ tran = 0;
+ reading = cmd_type;
+ if( reading )
+ creg = IIC_CNTL_RPST;
+ }
+ }
+ return (result);
}
int i2c_probe (uchar chip)
@@ -337,89 +337,88 @@ int i2c_probe (uchar chip)
buf[0] = 0;
- /*
- * What is needed is to send the chip address and verify that the
- * address was <ACK>ed (i.e. there was a chip at that address which
- * drove the data line low).
- */
- return(i2c_transfer (1, chip << 1, 0,0, buf, 1) != 0);
+ /*
+ * What is needed is to send the chip address and verify that the
+ * address was <ACK>ed (i.e. there was a chip at that address which
+ * drove the data line low).
+ */
+ return(i2c_transfer (1, chip << 1, 0,0, buf, 1) != 0);
}
-
int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len)
{
- uchar xaddr[4];
- int ret;
+ uchar xaddr[4];
+ int ret;
if ( alen > 4 ) {
printf ("I2C read: addr len %d not supported\n", alen);
return 1;
}
- if ( alen > 0 ) {
- xaddr[0] = (addr >> 24) & 0xFF;
- xaddr[1] = (addr >> 16) & 0xFF;
- xaddr[2] = (addr >> 8) & 0xFF;
- xaddr[3] = addr & 0xFF;
- }
+ if ( alen > 0 ) {
+ xaddr[0] = (addr >> 24) & 0xFF;
+ xaddr[1] = (addr >> 16) & 0xFF;
+ xaddr[2] = (addr >> 8) & 0xFF;
+ xaddr[3] = addr & 0xFF;
+ }
#ifdef CFG_I2C_EEPROM_ADDR_OVERFLOW
/*
- * EEPROM chips that implement "address overflow" are ones
- * like Catalyst 24WC04/08/16 which has 9/10/11 bits of
- * address and the extra bits end up in the "chip address"
- * bit slots. This makes a 24WC08 (1Kbyte) chip look like
- * four 256 byte chips.
+ * EEPROM chips that implement "address overflow" are ones
+ * like Catalyst 24WC04/08/16 which has 9/10/11 bits of
+ * address and the extra bits end up in the "chip address"
+ * bit slots. This makes a 24WC08 (1Kbyte) chip look like
+ * four 256 byte chips.
*
- * Note that we consider the length of the address field to
- * still be one byte because the extra address bits are
- * hidden in the chip address.
+ * Note that we consider the length of the address field to
+ * still be one byte because the extra address bits are
+ * hidden in the chip address.
*/
- if( alen > 0 )
- chip |= ((addr >> (alen * 8)) & CFG_I2C_EEPROM_ADDR_OVERFLOW);
+ if( alen > 0 )
+ chip |= ((addr >> (alen * 8)) & CFG_I2C_EEPROM_ADDR_OVERFLOW);
#endif
- if( (ret = i2c_transfer( 1, chip<<1, &xaddr[4-alen], alen, buffer, len )) != 0) {
- printf( "I2c read: failed %d\n", ret);
- return 1;
- }
- return 0;
+ if( (ret = i2c_transfer( 1, chip<<1, &xaddr[4-alen], alen, buffer, len )) != 0) {
+ printf( "I2c read: failed %d\n", ret);
+ return 1;
+ }
+ return 0;
}
int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len)
{
- uchar xaddr[4];
+ uchar xaddr[4];
if ( alen > 4 ) {
printf ("I2C write: addr len %d not supported\n", alen);
return 1;
}
- if ( alen > 0 ) {
- xaddr[0] = (addr >> 24) & 0xFF;
- xaddr[1] = (addr >> 16) & 0xFF;
- xaddr[2] = (addr >> 8) & 0xFF;
- xaddr[3] = addr & 0xFF;
- }
+ if ( alen > 0 ) {
+ xaddr[0] = (addr >> 24) & 0xFF;
+ xaddr[1] = (addr >> 16) & 0xFF;
+ xaddr[2] = (addr >> 8) & 0xFF;
+ xaddr[3] = addr & 0xFF;
+ }
#ifdef CFG_I2C_EEPROM_ADDR_OVERFLOW
/*
- * EEPROM chips that implement "address overflow" are ones
- * like Catalyst 24WC04/08/16 which has 9/10/11 bits of
- * address and the extra bits end up in the "chip address"
- * bit slots. This makes a 24WC08 (1Kbyte) chip look like
- * four 256 byte chips.
+ * EEPROM chips that implement "address overflow" are ones
+ * like Catalyst 24WC04/08/16 which has 9/10/11 bits of
+ * address and the extra bits end up in the "chip address"
+ * bit slots. This makes a 24WC08 (1Kbyte) chip look like
+ * four 256 byte chips.
*
- * Note that we consider the length of the address field to
- * still be one byte because the extra address bits are
- * hidden in the chip address.
+ * Note that we consider the length of the address field to
+ * still be one byte because the extra address bits are
+ * hidden in the chip address.
*/
- if( alen > 0 )
- chip |= ((addr >> (alen * 8)) & CFG_I2C_EEPROM_ADDR_OVERFLOW);
+ if( alen > 0 )
+ chip |= ((addr >> (alen * 8)) & CFG_I2C_EEPROM_ADDR_OVERFLOW);
#endif
- return (i2c_transfer( 0, chip<<1, &xaddr[4-alen], alen, buffer, len ) != 0);
+ return (i2c_transfer( 0, chip<<1, &xaddr[4-alen], alen, buffer, len ) != 0);
}
/*-----------------------------------------------------------------------
diff --git a/cpu/ppc4xx/interrupts.c b/cpu/ppc4xx/interrupts.c
index 0867de4322..b6a956c152 100644
--- a/cpu/ppc4xx/interrupts.c
+++ b/cpu/ppc4xx/interrupts.c
@@ -27,7 +27,6 @@
#include <common.h>
#include <watchdog.h>
#include <command.h>
-#include <cmd_boot.h>
#include <asm/processor.h>
#include <ppc4xx.h>
#include <ppc_asm.tmpl>
diff --git a/cpu/ppc4xx/kgdb.S b/cpu/ppc4xx/kgdb.S
index 78681cd1d2..be283403e9 100644
--- a/cpu/ppc4xx/kgdb.S
+++ b/cpu/ppc4xx/kgdb.S
@@ -45,13 +45,13 @@ kgdb_flush_cache_all:
iccci r0,r0 /* iccci invalidates the entire I cache */
/* dcache */
addi r6,0,0x0000 /* clear GPR 6 */
- addi r7,r0, 128 /* do loop for # of dcache lines */
+ addi r7,r0, 128 /* do loop for # of dcache lines */
/* NOTE: dccci invalidates both */
- mtctr r7 /* ways in the D cache */
+ mtctr r7 /* ways in the D cache */
..dcloop:
- dccci 0,r6 /* invalidate line */
- addi r6,r6, 32 /* bump to next line */
- bdnz ..dcloop
+ dccci 0,r6 /* invalidate line */
+ addi r6,r6, 32 /* bump to next line */
+ bdnz ..dcloop
blr
.globl kgdb_flush_cache_range
diff --git a/cpu/ppc4xx/miiphy.c b/cpu/ppc4xx/miiphy.c
index c5a90a9f21..0606ebef9d 100644
--- a/cpu/ppc4xx/miiphy.c
+++ b/cpu/ppc4xx/miiphy.c
@@ -76,7 +76,6 @@ void miiphy_dump (unsigned char addr)
} /* end dump */
-
/***********************************************************/
/* read a phy reg and return the value with a rc */
/***********************************************************/
diff --git a/cpu/ppc4xx/resetvec.S b/cpu/ppc4xx/resetvec.S
index e058bf037e..b3308bd6ae 100644
--- a/cpu/ppc4xx/resetvec.S
+++ b/cpu/ppc4xx/resetvec.S
@@ -10,4 +10,3 @@
b _start
#endif
#endif
-
diff --git a/cpu/ppc4xx/sdram.c b/cpu/ppc4xx/sdram.c
index e35a1d0759..d4552a1617 100644
--- a/cpu/ppc4xx/sdram.c
+++ b/cpu/ppc4xx/sdram.c
@@ -128,7 +128,7 @@ void sdram_init(void)
* Now test for 64 MByte...
*/
- /*
+ /*
* Disable memory controller.
*/
mtsdram0(mem_mcopt1, 0x00000000);
@@ -179,7 +179,7 @@ void sdram_init(void)
* Now test for 32 MByte...
*/
- /*
+ /*
* Disable memory controller.
*/
mtsdram0(mem_mcopt1, 0x00000000);
@@ -221,7 +221,7 @@ void sdram_init(void)
/*
* Now test for 16 MByte...
*/
- /*
+ /*
* Disable memory controller.
*/
mtsdram0(mem_mcopt1, 0x00000000);
@@ -266,7 +266,7 @@ void sdram_init(void)
* Setup for 4 MByte...
*/
- /*
+ /*
* Disable memory controller.
*/
mtsdram0(mem_mcopt1, 0x00000000);
diff --git a/cpu/ppc4xx/spd_sdram.c b/cpu/ppc4xx/spd_sdram.c
index 76aee2e0e4..289ad12898 100644
--- a/cpu/ppc4xx/spd_sdram.c
+++ b/cpu/ppc4xx/spd_sdram.c
@@ -156,7 +156,7 @@ long int spd_sdram(int(read_spd)(uint addr))
* way to minimize stack utilization.
*/
#ifndef CONFIG_405EP
- tmp = (mfdcr(pllmd) >> (31-6)) & 0xf; /* get FBDV bits */
+ tmp = (mfdcr(pllmd) >> (31-6)) & 0xf; /* get FBDV bits */
tmp = CONFIG_SYS_CLK_FREQ * tmp; /* get plb freq */
#else
{
@@ -197,10 +197,10 @@ long int spd_sdram(int(read_spd)(uint addr))
#endif
bus_period = sdram_HZ_to_ns(tmp); /* get sdram speed */
- /* Make shure we are using SDRAM */
+ /* Make shure we are using SDRAM */
if (read_spd(2) != 0x04){
- SPD_ERR("SDRAM - non SDRAM memory module found\n");
- }
+ SPD_ERR("SDRAM - non SDRAM memory module found\n");
+ }
/*------------------------------------------------------------------
configure memory timing register
@@ -218,17 +218,17 @@ long int spd_sdram(int(read_spd)(uint addr))
tmp = read_spd(127) & 0x6;
if(tmp == 0x02){ /* only cas = 2 supported */
- min_cas = 2;
+ min_cas = 2;
/* t_ck = read_spd(9); */
/* t_ac = read_spd(10); */
}
else if (tmp == 0x04){ /* only cas = 3 supported */
- min_cas = 3;
+ min_cas = 3;
/* t_ck = read_spd(9); */
/* t_ac = read_spd(10); */
}
else if (tmp == 0x06){ /* 2,3 supported, so use 2 */
- min_cas = 2;
+ min_cas = 2;
/* t_ck = read_spd(23); */
/* t_ac = read_spd(24); */
}
@@ -292,7 +292,7 @@ long int spd_sdram(int(read_spd)(uint addr))
tmp=15625*8;
break;
default:
- SPD_ERR("SDRAM - Bad refresh period \n");
+ SPD_ERR("SDRAM - Bad refresh period \n");
}
/* convert from nsec to bus cycles */
tmp = tmp/bus_period;
@@ -332,11 +332,11 @@ long int spd_sdram(int(read_spd)(uint addr))
if ( (read_spd(11)==2) && (read_spd(6)==40) && (read_spd(14)==8) ){
sdram0_ecccfg=0xf<<SDRAM0_ECCCFG_SHIFT;
ecc_on = 1;
- }
+ }
else{
sdram0_ecccfg=0;
ecc_on = 0;
- }
+ }
/*------------------------------------------------------------------
calculate total size
@@ -369,7 +369,7 @@ long int spd_sdram(int(read_spd)(uint addr))
mode=0; /* mode 1 */
break;
default:
- SPD_ERR("SDRAM - unsupported mode\n");
+ SPD_ERR("SDRAM - unsupported mode\n");
}
break;
case 12:
@@ -383,7 +383,7 @@ long int spd_sdram(int(read_spd)(uint addr))
mode=1; /* mode 2 */
break;
default:
- SPD_ERR("SDRAM - unsupported mode\n");
+ SPD_ERR("SDRAM - unsupported mode\n");
}
break;
case 13:
@@ -403,7 +403,7 @@ long int spd_sdram(int(read_spd)(uint addr))
mode=2; /* mode 3 */
break;
default:
- SPD_ERR("SDRAM - unsupported mode\n");
+ SPD_ERR("SDRAM - unsupported mode\n");
}
break;
default:
@@ -431,10 +431,10 @@ long int spd_sdram(int(read_spd)(uint addr))
bank_code-=22; /* subtract 22 to get the code */
tmp = SDRAM0_BXCR_SZ(bank_code) | SDRAM0_BXCR_AM(mode) | 1;
- sdram0_b0cr = (bank_size) * 0 | tmp;
- if(bank_cnt>1) sdram0_b2cr = (bank_size) * 1 | tmp;
- if(bank_cnt>2) sdram0_b1cr = (bank_size) * 2 | tmp;
- if(bank_cnt>3) sdram0_b3cr = (bank_size) * 3 | tmp;
+ sdram0_b0cr = (bank_size) * 0 | tmp;
+ if(bank_cnt>1) sdram0_b2cr = (bank_size) * 1 | tmp;
+ if(bank_cnt>2) sdram0_b1cr = (bank_size) * 2 | tmp;
+ if(bank_cnt>3) sdram0_b3cr = (bank_size) * 3 | tmp;
/*
@@ -684,34 +684,34 @@ const unsigned long test[NUMMEMTESTS][NUMMEMWORDS] = {
unsigned char spd_read(uchar chip, uint addr);
void get_spd_info(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks);
void check_mem_type
- (unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
+ (unsigned long* dimm_populated,
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks);
void check_volt_type
- (unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
+ (unsigned long* dimm_populated,
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks);
void program_cfg0(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks);
void program_cfg1(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks);
void program_rtr (unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks);
void program_tr0 (unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks);
void program_tr1 (void);
@@ -719,8 +719,8 @@ void program_ecc (unsigned long num_bytes);
unsigned
long program_bxcr(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks);
/*
* This function is reading data from the DIMM module EEPROM over the SPD bus
@@ -788,7 +788,7 @@ long int spd_sdram(void) {
* program the BxCR registers to find out total sdram installed
*/
total_size = program_bxcr(dimm_populated, iic0_dimm_addr,
- num_dimm_banks);
+ num_dimm_banks);
/*
* program SDRAM Clock Timing Register (SDRAM0_CLKTR)
@@ -810,10 +810,10 @@ long int spd_sdram(void) {
* wait for SDRAM_CFG0_DC_EN to complete
*/
while(1) {
- mfsdram(mem_mcsts, mcsts);
- if ((mcsts & SDRAM_MCSTS_MRSC) != 0) {
- break;
- }
+ mfsdram(mem_mcsts, mcsts);
+ if ((mcsts & SDRAM_MCSTS_MRSC) != 0) {
+ break;
+ }
}
/*
@@ -838,8 +838,8 @@ unsigned char spd_read(uchar chip, uint addr) {
}
void get_spd_info(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned long dimm_found;
@@ -848,90 +848,90 @@ void get_spd_info(unsigned long* dimm_populated,
dimm_found = FALSE;
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- num_of_bytes = 0;
- total_size = 0;
+ num_of_bytes = 0;
+ total_size = 0;
- num_of_bytes = spd_read(iic0_dimm_addr[dimm_num], 0);
- total_size = spd_read(iic0_dimm_addr[dimm_num], 1);
+ num_of_bytes = spd_read(iic0_dimm_addr[dimm_num], 0);
+ total_size = spd_read(iic0_dimm_addr[dimm_num], 1);
- if ((num_of_bytes != 0) && (total_size != 0)) {
- dimm_populated[dimm_num] = TRUE;
- dimm_found = TRUE;
+ if ((num_of_bytes != 0) && (total_size != 0)) {
+ dimm_populated[dimm_num] = TRUE;
+ dimm_found = TRUE;
#if 0
- printf("DIMM slot %lu: populated\n", dimm_num);
+ printf("DIMM slot %lu: populated\n", dimm_num);
#endif
- }
- else {
- dimm_populated[dimm_num] = FALSE;
+ }
+ else {
+ dimm_populated[dimm_num] = FALSE;
#if 0
- printf("DIMM slot %lu: Not populated\n", dimm_num);
+ printf("DIMM slot %lu: Not populated\n", dimm_num);
#endif
- }
+ }
}
if (dimm_found == FALSE) {
- printf("ERROR - No memory installed. Install a DDR-SDRAM DIMM.\n\n");
- hang();
+ printf("ERROR - No memory installed. Install a DDR-SDRAM DIMM.\n\n");
+ hang();
}
}
void check_mem_type(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned char dimm_type;
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- if (dimm_populated[dimm_num] == TRUE) {
- dimm_type = spd_read(iic0_dimm_addr[dimm_num], 2);
- switch (dimm_type) {
- case 7:
+ if (dimm_populated[dimm_num] == TRUE) {
+ dimm_type = spd_read(iic0_dimm_addr[dimm_num], 2);
+ switch (dimm_type) {
+ case 7:
#if 0
- printf("DIMM slot %lu: DDR SDRAM detected\n", dimm_num);
+ printf("DIMM slot %lu: DDR SDRAM detected\n", dimm_num);
#endif
- break;
- default:
- printf("ERROR: Unsupported DIMM detected in slot %lu.\n",
- dimm_num);
- printf("Only DDR SDRAM DIMMs are supported.\n");
- printf("Replace the DIMM module with a supported DIMM.\n\n");
- hang();
- break;
- }
- }
+ break;
+ default:
+ printf("ERROR: Unsupported DIMM detected in slot %lu.\n",
+ dimm_num);
+ printf("Only DDR SDRAM DIMMs are supported.\n");
+ printf("Replace the DIMM module with a supported DIMM.\n\n");
+ hang();
+ break;
+ }
+ }
}
}
void check_volt_type(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned long voltage_type;
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- if (dimm_populated[dimm_num] == TRUE) {
- voltage_type = spd_read(iic0_dimm_addr[dimm_num], 8);
- if (voltage_type != 0x04) {
- printf("ERROR: DIMM %lu with unsupported voltage level.\n",
- dimm_num);
- hang();
- }
- else {
+ if (dimm_populated[dimm_num] == TRUE) {
+ voltage_type = spd_read(iic0_dimm_addr[dimm_num], 8);
+ if (voltage_type != 0x04) {
+ printf("ERROR: DIMM %lu with unsupported voltage level.\n",
+ dimm_num);
+ hang();
+ }
+ else {
#if 0
- printf("DIMM %lu voltage level supported.\n", dimm_num);
+ printf("DIMM %lu voltage level supported.\n", dimm_num);
#endif
- }
- break;
- }
+ }
+ break;
+ }
}
}
void program_cfg0(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned long cfg0;
@@ -951,9 +951,9 @@ void program_cfg0(unsigned long* dimm_populated,
* clear bits
*/
cfg0 &= ~(SDRAM_CFG0_DCEN | SDRAM_CFG0_MCHK_MASK |
- SDRAM_CFG0_RDEN | SDRAM_CFG0_PMUD |
- SDRAM_CFG0_DMWD_MASK |
- SDRAM_CFG0_UIOS_MASK | SDRAM_CFG0_PDP);
+ SDRAM_CFG0_RDEN | SDRAM_CFG0_PMUD |
+ SDRAM_CFG0_DMWD_MASK |
+ SDRAM_CFG0_UIOS_MASK | SDRAM_CFG0_PDP);
/*
@@ -961,52 +961,52 @@ void program_cfg0(unsigned long* dimm_populated,
*/
ecc_enabled = TRUE;
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- if (dimm_populated[dimm_num] == TRUE) {
- ecc = spd_read(iic0_dimm_addr[dimm_num], 11);
- if (ecc != 0x02) {
- ecc_enabled = FALSE;
- }
-
- /*
- * program Registered DIMM Enable
- */
- attributes = spd_read(iic0_dimm_addr[dimm_num], 21);
- if ((attributes & 0x02) != 0x00) {
- cfg0 |= SDRAM_CFG0_RDEN;
- }
-
- /*
- * program DDR SDRAM Data Width
- */
- data_width =
- (unsigned long)spd_read(iic0_dimm_addr[dimm_num],6) +
- (((unsigned long)spd_read(iic0_dimm_addr[dimm_num],7)) << 8);
- if (data_width == 64 || data_width == 72) {
- dimm_64bit = TRUE;
- cfg0 |= SDRAM_CFG0_DMWD_64;
- }
- else if (data_width == 32 || data_width == 40) {
- dimm_32bit = TRUE;
- cfg0 |= SDRAM_CFG0_DMWD_32;
- }
- else {
- printf("WARNING: DIMM with datawidth of %lu bits.\n",
- data_width);
- printf("Only DIMMs with 32 or 64 bit datawidths supported.\n");
- hang();
- }
- break;
- }
+ if (dimm_populated[dimm_num] == TRUE) {
+ ecc = spd_read(iic0_dimm_addr[dimm_num], 11);
+ if (ecc != 0x02) {
+ ecc_enabled = FALSE;
+ }
+
+ /*
+ * program Registered DIMM Enable
+ */
+ attributes = spd_read(iic0_dimm_addr[dimm_num], 21);
+ if ((attributes & 0x02) != 0x00) {
+ cfg0 |= SDRAM_CFG0_RDEN;
+ }
+
+ /*
+ * program DDR SDRAM Data Width
+ */
+ data_width =
+ (unsigned long)spd_read(iic0_dimm_addr[dimm_num],6) +
+ (((unsigned long)spd_read(iic0_dimm_addr[dimm_num],7)) << 8);
+ if (data_width == 64 || data_width == 72) {
+ dimm_64bit = TRUE;
+ cfg0 |= SDRAM_CFG0_DMWD_64;
+ }
+ else if (data_width == 32 || data_width == 40) {
+ dimm_32bit = TRUE;
+ cfg0 |= SDRAM_CFG0_DMWD_32;
+ }
+ else {
+ printf("WARNING: DIMM with datawidth of %lu bits.\n",
+ data_width);
+ printf("Only DIMMs with 32 or 64 bit datawidths supported.\n");
+ hang();
+ }
+ break;
+ }
}
/*
* program Memory Data Error Checking
*/
if (ecc_enabled == TRUE) {
- cfg0 |= SDRAM_CFG0_MCHK_GEN;
+ cfg0 |= SDRAM_CFG0_MCHK_GEN;
}
else {
- cfg0 |= SDRAM_CFG0_MCHK_NON;
+ cfg0 |= SDRAM_CFG0_MCHK_NON;
}
/*
@@ -1023,8 +1023,8 @@ void program_cfg0(unsigned long* dimm_populated,
}
void program_cfg1(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long cfg1;
mfsdram(mem_cfg1, cfg1);
@@ -1041,8 +1041,8 @@ void program_cfg1(unsigned long* dimm_populated,
}
void program_rtr (unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned long bus_period_x_10;
@@ -1060,36 +1060,36 @@ void program_rtr (unsigned long* dimm_populated,
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- if (dimm_populated[dimm_num] == TRUE) {
- refresh_rate_type = 0x7F & spd_read(iic0_dimm_addr[dimm_num], 12);
- switch (refresh_rate_type) {
- case 0x00:
- refresh_rate = 15625;
- break;
- case 0x011:
- refresh_rate = 15625/4;
- break;
- case 0x02:
- refresh_rate = 15625/2;
- break;
- case 0x03:
- refresh_rate = 15626*2;
- break;
- case 0x04:
- refresh_rate = 15625*4;
- break;
- case 0x05:
- refresh_rate = 15625*8;
- break;
- default:
- printf("ERROR: DIMM %lu, unsupported refresh rate/type.\n",
- dimm_num);
- printf("Replace the DIMM module with a supported DIMM.\n");
- break;
- }
-
- break;
- }
+ if (dimm_populated[dimm_num] == TRUE) {
+ refresh_rate_type = 0x7F & spd_read(iic0_dimm_addr[dimm_num], 12);
+ switch (refresh_rate_type) {
+ case 0x00:
+ refresh_rate = 15625;
+ break;
+ case 0x011:
+ refresh_rate = 15625/4;
+ break;
+ case 0x02:
+ refresh_rate = 15625/2;
+ break;
+ case 0x03:
+ refresh_rate = 15626*2;
+ break;
+ case 0x04:
+ refresh_rate = 15625*4;
+ break;
+ case 0x05:
+ refresh_rate = 15625*8;
+ break;
+ default:
+ printf("ERROR: DIMM %lu, unsupported refresh rate/type.\n",
+ dimm_num);
+ printf("Replace the DIMM module with a supported DIMM.\n");
+ break;
+ }
+
+ break;
+ }
}
refresh_interval = refresh_rate * 10 / bus_period_x_10;
@@ -1102,8 +1102,8 @@ void program_rtr (unsigned long* dimm_populated,
}
void program_tr0 (unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned long tr0;
@@ -1141,9 +1141,9 @@ void program_tr0 (unsigned long* dimm_populated,
*/
mfsdram(mem_tr0, tr0);
tr0 &= ~(SDRAM_TR0_SDWR_MASK | SDRAM_TR0_SDWD_MASK |
- SDRAM_TR0_SDCL_MASK | SDRAM_TR0_SDPA_MASK |
- SDRAM_TR0_SDCP_MASK | SDRAM_TR0_SDLD_MASK |
- SDRAM_TR0_SDRA_MASK | SDRAM_TR0_SDRD_MASK);
+ SDRAM_TR0_SDCL_MASK | SDRAM_TR0_SDPA_MASK |
+ SDRAM_TR0_SDCP_MASK | SDRAM_TR0_SDLD_MASK |
+ SDRAM_TR0_SDRA_MASK | SDRAM_TR0_SDRD_MASK);
/*
* initialization
@@ -1160,83 +1160,83 @@ void program_tr0 (unsigned long* dimm_populated,
tcyc_3_0_ns_x_10 = 0;
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- if (dimm_populated[dimm_num] == TRUE) {
- wcsbc = spd_read(iic0_dimm_addr[dimm_num], 15);
- t_rp_ns = spd_read(iic0_dimm_addr[dimm_num], 27) >> 2;
- t_rcd_ns = spd_read(iic0_dimm_addr[dimm_num], 29) >> 2;
- t_ras_ns = spd_read(iic0_dimm_addr[dimm_num], 30);
- cas_bit = spd_read(iic0_dimm_addr[dimm_num], 18);
-
- for (cas_index = 0; cas_index < 3; cas_index++) {
- switch (cas_index) {
- case 0:
- tcyc_reg = spd_read(iic0_dimm_addr[dimm_num], 9);
- break;
- case 1:
- tcyc_reg = spd_read(iic0_dimm_addr[dimm_num], 23);
- break;
- default:
- tcyc_reg = spd_read(iic0_dimm_addr[dimm_num], 25);
- break;
- }
-
- if ((tcyc_reg & 0x0F) >= 10) {
- printf("ERROR: Tcyc incorrect for DIMM in slot %lu\n",
- dimm_num);
- hang();
- }
-
- cycle_time_ns_x_10[cas_index] =
- (((tcyc_reg & 0xF0) >> 4) * 10) + (tcyc_reg & 0x0F);
- }
-
- cas_index = 0;
-
- if ((cas_bit & 0x80) != 0) {
- cas_index += 3;
- }
- else if ((cas_bit & 0x40) != 0) {
- cas_index += 2;
- }
- else if ((cas_bit & 0x20) != 0) {
- cas_index += 1;
- }
-
- if (((cas_bit & 0x10) != 0) && (cas_index < 3)) {
- tcyc_3_0_ns_x_10 = cycle_time_ns_x_10[cas_index];
- cas_index++;
- }
- else {
- if (cas_index != 0) {
- cas_index++;
- }
- cas_3_0_available = FALSE;
- }
-
- if (((cas_bit & 0x08) != 0) || (cas_index < 3)) {
- tcyc_2_5_ns_x_10 = cycle_time_ns_x_10[cas_index];
- cas_index++;
- }
- else {
- if (cas_index != 0) {
- cas_index++;
- }
- cas_2_5_available = FALSE;
- }
-
- if (((cas_bit & 0x04) != 0) || (cas_index < 3)) {
- tcyc_2_0_ns_x_10 = cycle_time_ns_x_10[cas_index];
- cas_index++;
- }
- else {
- if (cas_index != 0) {
- cas_index++;
- }
- cas_2_0_available = FALSE;
- }
-
- break;
- }
+ if (dimm_populated[dimm_num] == TRUE) {
+ wcsbc = spd_read(iic0_dimm_addr[dimm_num], 15);
+ t_rp_ns = spd_read(iic0_dimm_addr[dimm_num], 27) >> 2;
+ t_rcd_ns = spd_read(iic0_dimm_addr[dimm_num], 29) >> 2;
+ t_ras_ns = spd_read(iic0_dimm_addr[dimm_num], 30);
+ cas_bit = spd_read(iic0_dimm_addr[dimm_num], 18);
+
+ for (cas_index = 0; cas_index < 3; cas_index++) {
+ switch (cas_index) {
+ case 0:
+ tcyc_reg = spd_read(iic0_dimm_addr[dimm_num], 9);
+ break;
+ case 1:
+ tcyc_reg = spd_read(iic0_dimm_addr[dimm_num], 23);
+ break;
+ default:
+ tcyc_reg = spd_read(iic0_dimm_addr[dimm_num], 25);
+ break;
+ }
+
+ if ((tcyc_reg & 0x0F) >= 10) {
+ printf("ERROR: Tcyc incorrect for DIMM in slot %lu\n",
+ dimm_num);
+ hang();
+ }
+
+ cycle_time_ns_x_10[cas_index] =
+ (((tcyc_reg & 0xF0) >> 4) * 10) + (tcyc_reg & 0x0F);
+ }
+
+ cas_index = 0;
+
+ if ((cas_bit & 0x80) != 0) {
+ cas_index += 3;
+ }
+ else if ((cas_bit & 0x40) != 0) {
+ cas_index += 2;
+ }
+ else if ((cas_bit & 0x20) != 0) {
+ cas_index += 1;
+ }
+
+ if (((cas_bit & 0x10) != 0) && (cas_index < 3)) {
+ tcyc_3_0_ns_x_10 = cycle_time_ns_x_10[cas_index];
+ cas_index++;
+ }
+ else {
+ if (cas_index != 0) {
+ cas_index++;
+ }
+ cas_3_0_available = FALSE;
+ }
+
+ if (((cas_bit & 0x08) != 0) || (cas_index < 3)) {
+ tcyc_2_5_ns_x_10 = cycle_time_ns_x_10[cas_index];
+ cas_index++;
+ }
+ else {
+ if (cas_index != 0) {
+ cas_index++;
+ }
+ cas_2_5_available = FALSE;
+ }
+
+ if (((cas_bit & 0x04) != 0) || (cas_index < 3)) {
+ tcyc_2_0_ns_x_10 = cycle_time_ns_x_10[cas_index];
+ cas_index++;
+ }
+ else {
+ if (cas_index != 0) {
+ cas_index++;
+ }
+ cas_2_0_available = FALSE;
+ }
+
+ break;
+ }
}
/*
@@ -1245,33 +1245,33 @@ void program_tr0 (unsigned long* dimm_populated,
tr0 |= SDRAM_TR0_SDWR_2_CLK; /* Write Recovery: 2 CLK */
switch (wcsbc) {
case 0:
- tr0 |= SDRAM_TR0_SDWD_0_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDWD_0_CLK;
+ break;
default:
- tr0 |= SDRAM_TR0_SDWD_1_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDWD_1_CLK;
+ break;
}
/*
* Program SD_CASL field
*/
if ((cas_2_0_available == TRUE) &&
- (bus_period_x_10 >= tcyc_2_0_ns_x_10)) {
- tr0 |= SDRAM_TR0_SDCL_2_0_CLK;
+ (bus_period_x_10 >= tcyc_2_0_ns_x_10)) {
+ tr0 |= SDRAM_TR0_SDCL_2_0_CLK;
}
else if((cas_2_5_available == TRUE) &&
- (bus_period_x_10 >= tcyc_2_5_ns_x_10)) {
- tr0 |= SDRAM_TR0_SDCL_2_5_CLK;
+ (bus_period_x_10 >= tcyc_2_5_ns_x_10)) {
+ tr0 |= SDRAM_TR0_SDCL_2_5_CLK;
}
else if((cas_3_0_available == TRUE) &&
- (bus_period_x_10 >= tcyc_3_0_ns_x_10)) {
- tr0 |= SDRAM_TR0_SDCL_3_0_CLK;
+ (bus_period_x_10 >= tcyc_3_0_ns_x_10)) {
+ tr0 |= SDRAM_TR0_SDCL_3_0_CLK;
}
else {
- printf("ERROR: No supported CAS latency with the installed DIMMs.\n");
- printf("Only CAS latencies of 2.0, 2.5, and 3.0 are supported.\n");
- printf("Make sure the PLB speed is within the supported range.\n");
- hang();
+ printf("ERROR: No supported CAS latency with the installed DIMMs.\n");
+ printf("Only CAS latencies of 2.0, 2.5, and 3.0 are supported.\n");
+ printf("Make sure the PLB speed is within the supported range.\n");
+ hang();
}
/*
@@ -1281,20 +1281,20 @@ void program_tr0 (unsigned long* dimm_populated,
t_rp_clk = sys_info.freqPLB * t_rp_ns / ONE_BILLION;
plb_check = ONE_BILLION * t_rp_clk / t_rp_ns;
if (sys_info.freqPLB != plb_check) {
- t_rp_clk++;
+ t_rp_clk++;
}
switch ((unsigned long)t_rp_clk) {
case 0:
case 1:
case 2:
- tr0 |= SDRAM_TR0_SDPA_2_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDPA_2_CLK;
+ break;
case 3:
- tr0 |= SDRAM_TR0_SDPA_3_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDPA_3_CLK;
+ break;
default:
- tr0 |= SDRAM_TR0_SDPA_4_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDPA_4_CLK;
+ break;
}
/*
@@ -1303,7 +1303,7 @@ void program_tr0 (unsigned long* dimm_populated,
t_ras_rcd_clk = sys_info.freqPLB * (t_ras_ns - t_rcd_ns) / ONE_BILLION;
plb_check = ONE_BILLION * t_ras_rcd_clk / (t_ras_ns - t_rcd_ns);
if (sys_info.freqPLB != plb_check) {
- t_ras_rcd_clk++;
+ t_ras_rcd_clk++;
}
switch (t_ras_rcd_clk) {
case 0:
@@ -1334,7 +1334,7 @@ void program_tr0 (unsigned long* dimm_populated,
t_rfc_clk = sys_info.freqPLB / (ONE_BILLION / 75);
residue = sys_info.freqPLB % (ONE_BILLION / 75);
if (residue >= (ONE_BILLION / 150)) {
- t_rfc_clk++;
+ t_rfc_clk++;
}
switch (t_rfc_clk) {
case 0:
@@ -1344,29 +1344,29 @@ void program_tr0 (unsigned long* dimm_populated,
case 4:
case 5:
case 6:
- tr0 |= SDRAM_TR0_SDRA_6_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDRA_6_CLK;
+ break;
case 7:
- tr0 |= SDRAM_TR0_SDRA_7_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDRA_7_CLK;
+ break;
case 8:
- tr0 |= SDRAM_TR0_SDRA_8_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDRA_8_CLK;
+ break;
case 9:
- tr0 |= SDRAM_TR0_SDRA_9_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDRA_9_CLK;
+ break;
case 10:
- tr0 |= SDRAM_TR0_SDRA_10_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDRA_10_CLK;
+ break;
case 11:
- tr0 |= SDRAM_TR0_SDRA_11_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDRA_11_CLK;
+ break;
case 12:
- tr0 |= SDRAM_TR0_SDRA_12_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDRA_12_CLK;
+ break;
default:
- tr0 |= SDRAM_TR0_SDRA_13_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDRA_13_CLK;
+ break;
}
/*
@@ -1375,20 +1375,20 @@ void program_tr0 (unsigned long* dimm_populated,
t_rcd_clk = sys_info.freqPLB * t_rcd_ns / ONE_BILLION;
plb_check = ONE_BILLION * t_rcd_clk / t_rcd_ns;
if (sys_info.freqPLB != plb_check) {
- t_rcd_clk++;
+ t_rcd_clk++;
}
switch (t_rcd_clk) {
case 0:
case 1:
case 2:
- tr0 |= SDRAM_TR0_SDRD_2_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDRD_2_CLK;
+ break;
case 3:
- tr0 |= SDRAM_TR0_SDRD_3_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDRD_3_CLK;
+ break;
default:
- tr0 |= SDRAM_TR0_SDRD_4_CLK;
- break;
+ tr0 |= SDRAM_TR0_SDRD_4_CLK;
+ break;
}
#if 0
@@ -1432,19 +1432,19 @@ void program_tr1 (void)
*/
mfsdram(mem_tr1, tr1);
tr1 &= ~(SDRAM_TR1_RDSS_MASK | SDRAM_TR1_RDSL_MASK |
- SDRAM_TR1_RDCD_MASK | SDRAM_TR1_RDCT_MASK);
+ SDRAM_TR1_RDCD_MASK | SDRAM_TR1_RDCT_MASK);
mfsdram(mem_tr0, tr0);
if (((tr0 & SDRAM_TR0_SDCL_MASK) == SDRAM_TR0_SDCL_2_5_CLK) &&
(sys_info.freqPLB > 100000000)) {
- tr1 |= SDRAM_TR1_RDSS_TR2;
- tr1 |= SDRAM_TR1_RDSL_STAGE3;
- tr1 |= SDRAM_TR1_RDCD_RCD_1_2;
+ tr1 |= SDRAM_TR1_RDSS_TR2;
+ tr1 |= SDRAM_TR1_RDSL_STAGE3;
+ tr1 |= SDRAM_TR1_RDCD_RCD_1_2;
}
else {
- tr1 |= SDRAM_TR1_RDSS_TR1;
- tr1 |= SDRAM_TR1_RDSL_STAGE2;
- tr1 |= SDRAM_TR1_RDCD_RCD_0_0;
+ tr1 |= SDRAM_TR1_RDSS_TR1;
+ tr1 |= SDRAM_TR1_RDSL_STAGE2;
+ tr1 |= SDRAM_TR1_RDCD_RCD_0_0;
}
/*
@@ -1474,91 +1474,91 @@ void program_tr1 (void)
printf("Starting memory test ");
#endif
for (k = 0; k < NUMHALFCYCLES; k++) {
- for (rdclt = 0; rdclt < dly_val; rdclt++) {
- /*
- * Set the timing reg for the test.
- */
- mtsdram(mem_tr1, (tr1 | SDRAM_TR1_RDCT_ENCODE(rdclt)));
-
- for (bxcr_num = 0; bxcr_num < MAXBXCR; bxcr_num++) {
- mtdcr(memcfga, mem_b0cr + (bxcr_num<<2));
- if ((mfdcr(memcfgd) & SDRAM_BXCR_SDBE) == SDRAM_BXCR_SDBE) {
- /* Bank is enabled */
- membase = (unsigned long*)
- (mfdcr(memcfgd) & SDRAM_BXCR_SDBA_MASK);
-
- /*
- * Run the short memory test
- */
- for (i = 0; i < NUMMEMTESTS; i++) {
- for (j = 0; j < NUMMEMWORDS; j++) {
- membase[j] = test[i][j];
- ppcDcbf((unsigned long)&(membase[j]));
- }
-
- for (j = 0; j < NUMMEMWORDS; j++) {
- if (membase[j] != test[i][j]) {
- ppcDcbf((unsigned long)&(membase[j]));
- break;
- }
- ppcDcbf((unsigned long)&(membase[j]));
- }
-
- if (j < NUMMEMWORDS) {
- break;
- }
- }
-
- /*
- * see if the rdclt value passed
- */
- if (i < NUMMEMTESTS) {
- break;
- }
- }
- }
-
- if (bxcr_num == MAXBXCR) {
- if (fail_found == TRUE) {
- pass_found = TRUE;
- if (current_pass_length == 0) {
- current_start = rdclt_offset + rdclt;
- }
-
- current_fail_length = 0;
- current_pass_length++;
-
- if (current_pass_length > max_pass_length) {
- max_pass_length = current_pass_length;
- max_start = current_start;
- max_end = rdclt_offset + rdclt;
- }
- }
- }
- else {
- current_pass_length = 0;
- current_fail_length++;
-
- if (current_fail_length >= (dly_val>>2)) {
- if (fail_found == FALSE) {
- fail_found = TRUE;
- }
- else if (pass_found == TRUE) {
- window_found = TRUE;
- break;
- }
- }
- }
- }
+ for (rdclt = 0; rdclt < dly_val; rdclt++) {
+ /*
+ * Set the timing reg for the test.
+ */
+ mtsdram(mem_tr1, (tr1 | SDRAM_TR1_RDCT_ENCODE(rdclt)));
+
+ for (bxcr_num = 0; bxcr_num < MAXBXCR; bxcr_num++) {
+ mtdcr(memcfga, mem_b0cr + (bxcr_num<<2));
+ if ((mfdcr(memcfgd) & SDRAM_BXCR_SDBE) == SDRAM_BXCR_SDBE) {
+ /* Bank is enabled */
+ membase = (unsigned long*)
+ (mfdcr(memcfgd) & SDRAM_BXCR_SDBA_MASK);
+
+ /*
+ * Run the short memory test
+ */
+ for (i = 0; i < NUMMEMTESTS; i++) {
+ for (j = 0; j < NUMMEMWORDS; j++) {
+ membase[j] = test[i][j];
+ ppcDcbf((unsigned long)&(membase[j]));
+ }
+
+ for (j = 0; j < NUMMEMWORDS; j++) {
+ if (membase[j] != test[i][j]) {
+ ppcDcbf((unsigned long)&(membase[j]));
+ break;
+ }
+ ppcDcbf((unsigned long)&(membase[j]));
+ }
+
+ if (j < NUMMEMWORDS) {
+ break;
+ }
+ }
+
+ /*
+ * see if the rdclt value passed
+ */
+ if (i < NUMMEMTESTS) {
+ break;
+ }
+ }
+ }
+
+ if (bxcr_num == MAXBXCR) {
+ if (fail_found == TRUE) {
+ pass_found = TRUE;
+ if (current_pass_length == 0) {
+ current_start = rdclt_offset + rdclt;
+ }
+
+ current_fail_length = 0;
+ current_pass_length++;
+
+ if (current_pass_length > max_pass_length) {
+ max_pass_length = current_pass_length;
+ max_start = current_start;
+ max_end = rdclt_offset + rdclt;
+ }
+ }
+ }
+ else {
+ current_pass_length = 0;
+ current_fail_length++;
+
+ if (current_fail_length >= (dly_val>>2)) {
+ if (fail_found == FALSE) {
+ fail_found = TRUE;
+ }
+ else if (pass_found == TRUE) {
+ window_found = TRUE;
+ break;
+ }
+ }
+ }
+ }
#ifdef DEBUG
- printf(".");
+ printf(".");
#endif
- if (window_found == TRUE) {
- break;
- }
+ if (window_found == TRUE) {
+ break;
+ }
- tr1 = tr1 ^ SDRAM_TR1_RDCD_MASK;
- rdclt_offset += dly_val;
+ tr1 = tr1 ^ SDRAM_TR1_RDCD_MASK;
+ rdclt_offset += dly_val;
}
#ifdef DEBUG
printf("\n");
@@ -1582,10 +1582,10 @@ void program_tr1 (void)
*/
tr1 &= ~SDRAM_TR1_RDCD_MASK;
if ((tr0 & SDRAM_TR0_SDCL_MASK) == SDRAM_TR0_SDCL_2_5_CLK) {
- tr1 |= SDRAM_TR1_RDCD_RCD_1_2;
+ tr1 |= SDRAM_TR1_RDCD_RCD_1_2;
}
else {
- tr1 |= SDRAM_TR1_RDCD_RCD_0_0;
+ tr1 |= SDRAM_TR1_RDCD_RCD_0_0;
}
/*
@@ -1593,21 +1593,21 @@ void program_tr1 (void)
*/
tr1 &= ~SDRAM_TR1_RDCT_MASK;
while (max_end >= (dly_val<<1)) {
- max_end -= (dly_val<<1);
- max_start -= (dly_val<<1);
+ max_end -= (dly_val<<1);
+ max_start -= (dly_val<<1);
}
rdclt_average = ((max_start + max_end) >> 1);
if (rdclt_average >= 0x60)
- while(1);
+ while(1);
if (rdclt_average < 0) {
- rdclt_average = 0;
+ rdclt_average = 0;
}
if (rdclt_average >= dly_val) {
- rdclt_average -= dly_val;
- tr1 = tr1 ^ SDRAM_TR1_RDCD_MASK;
+ rdclt_average -= dly_val;
+ tr1 = tr1 ^ SDRAM_TR1_RDCD_MASK;
}
tr1 |= SDRAM_TR1_RDCT_ENCODE(rdclt_average);
@@ -1621,8 +1621,8 @@ void program_tr1 (void)
}
unsigned long program_bxcr(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+ unsigned char* iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned long bxcr_num;
@@ -1641,8 +1641,8 @@ unsigned long program_bxcr(unsigned long* dimm_populated,
* Set the BxCR regs. First, wipe out the bank config registers.
*/
for (bxcr_num = 0; bxcr_num < MAXBXCR; bxcr_num++) {
- mtdcr(memcfga, mem_b0cr + (bxcr_num << 2));
- mtdcr(memcfgd, 0x00000000);
+ mtdcr(memcfga, mem_b0cr + (bxcr_num << 2));
+ mtdcr(memcfgd, 0x00000000);
}
/*
@@ -1651,106 +1651,106 @@ unsigned long program_bxcr(unsigned long* dimm_populated,
bank_base_addr = CFG_SDRAM_BASE;
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
- if (dimm_populated[dimm_num] == TRUE) {
- num_row_addr = spd_read(iic0_dimm_addr[dimm_num], 3);
- num_col_addr = spd_read(iic0_dimm_addr[dimm_num], 4);
- num_banks = spd_read(iic0_dimm_addr[dimm_num], 5);
- bank_size_id = spd_read(iic0_dimm_addr[dimm_num], 31);
-
- /*
- * Set the SDRAM0_BxCR regs
- */
- cr = 0;
- bank_size_bytes = 4 * 1024 * 1024 * bank_size_id;
- switch (bank_size_id) {
- case 0x02:
- cr |= SDRAM_BXCR_SDSZ_8;
- break;
- case 0x04:
- cr |= SDRAM_BXCR_SDSZ_16;
- break;
- case 0x08:
- cr |= SDRAM_BXCR_SDSZ_32;
- break;
- case 0x10:
- cr |= SDRAM_BXCR_SDSZ_64;
- break;
- case 0x20:
- cr |= SDRAM_BXCR_SDSZ_128;
- break;
- case 0x40:
- cr |= SDRAM_BXCR_SDSZ_256;
- break;
- case 0x80:
- cr |= SDRAM_BXCR_SDSZ_512;
- break;
- default:
- printf("DDR-SDRAM: DIMM %lu BxCR configuration.\n",
- dimm_num);
- printf("ERROR: Unsupported value for the banksize: %d.\n",
- bank_size_id);
- printf("Replace the DIMM module with a supported DIMM.\n\n");
- hang();
- }
-
- switch (num_col_addr) {
- case 0x08:
- cr |= SDRAM_BXCR_SDAM_1;
- break;
- case 0x09:
- cr |= SDRAM_BXCR_SDAM_2;
- break;
- case 0x0A:
- cr |= SDRAM_BXCR_SDAM_3;
- break;
- case 0x0B:
- cr |= SDRAM_BXCR_SDAM_4;
- break;
- default:
- printf("DDR-SDRAM: DIMM %lu BxCR configuration.\n",
- dimm_num);
- printf("ERROR: Unsupported value for number of "
- "column addresses: %d.\n", num_col_addr);
- printf("Replace the DIMM module with a supported DIMM.\n\n");
- hang();
- }
-
- /*
- * enable the bank
- */
- cr |= SDRAM_BXCR_SDBE;
-
- /*------------------------------------------------------------------
- | This next section is hardware dependent and must be programmed
- | to match the hardware.
- +-----------------------------------------------------------------*/
- if (dimm_num == 0) {
- for (i = 0; i < num_banks; i++) {
- mtdcr(memcfga, mem_b0cr + (i << 2));
- temp = mfdcr(memcfgd) & ~(SDRAM_BXCR_SDBA_MASK |
- SDRAM_BXCR_SDSZ_MASK |
- SDRAM_BXCR_SDAM_MASK |
- SDRAM_BXCR_SDBE);
- cr |= temp;
- cr |= bank_base_addr & SDRAM_BXCR_SDBA_MASK;
- mtdcr(memcfgd, cr);
- bank_base_addr += bank_size_bytes;
- }
- }
- else {
- for (i = 0; i < num_banks; i++) {
- mtdcr(memcfga, mem_b2cr + (i << 2));
- temp = mfdcr(memcfgd) & ~(SDRAM_BXCR_SDBA_MASK |
- SDRAM_BXCR_SDSZ_MASK |
- SDRAM_BXCR_SDAM_MASK |
- SDRAM_BXCR_SDBE);
- cr |= temp;
- cr |= bank_base_addr & SDRAM_BXCR_SDBA_MASK;
- mtdcr(memcfgd, cr);
- bank_base_addr += bank_size_bytes;
- }
- }
- }
+ if (dimm_populated[dimm_num] == TRUE) {
+ num_row_addr = spd_read(iic0_dimm_addr[dimm_num], 3);
+ num_col_addr = spd_read(iic0_dimm_addr[dimm_num], 4);
+ num_banks = spd_read(iic0_dimm_addr[dimm_num], 5);
+ bank_size_id = spd_read(iic0_dimm_addr[dimm_num], 31);
+
+ /*
+ * Set the SDRAM0_BxCR regs
+ */
+ cr = 0;
+ bank_size_bytes = 4 * 1024 * 1024 * bank_size_id;
+ switch (bank_size_id) {
+ case 0x02:
+ cr |= SDRAM_BXCR_SDSZ_8;
+ break;
+ case 0x04:
+ cr |= SDRAM_BXCR_SDSZ_16;
+ break;
+ case 0x08:
+ cr |= SDRAM_BXCR_SDSZ_32;
+ break;
+ case 0x10:
+ cr |= SDRAM_BXCR_SDSZ_64;
+ break;
+ case 0x20:
+ cr |= SDRAM_BXCR_SDSZ_128;
+ break;
+ case 0x40:
+ cr |= SDRAM_BXCR_SDSZ_256;
+ break;
+ case 0x80:
+ cr |= SDRAM_BXCR_SDSZ_512;
+ break;
+ default:
+ printf("DDR-SDRAM: DIMM %lu BxCR configuration.\n",
+ dimm_num);
+ printf("ERROR: Unsupported value for the banksize: %d.\n",
+ bank_size_id);
+ printf("Replace the DIMM module with a supported DIMM.\n\n");
+ hang();
+ }
+
+ switch (num_col_addr) {
+ case 0x08:
+ cr |= SDRAM_BXCR_SDAM_1;
+ break;
+ case 0x09:
+ cr |= SDRAM_BXCR_SDAM_2;
+ break;
+ case 0x0A:
+ cr |= SDRAM_BXCR_SDAM_3;
+ break;
+ case 0x0B:
+ cr |= SDRAM_BXCR_SDAM_4;
+ break;
+ default:
+ printf("DDR-SDRAM: DIMM %lu BxCR configuration.\n",
+ dimm_num);
+ printf("ERROR: Unsupported value for number of "
+ "column addresses: %d.\n", num_col_addr);
+ printf("Replace the DIMM module with a supported DIMM.\n\n");
+ hang();
+ }
+
+ /*
+ * enable the bank
+ */
+ cr |= SDRAM_BXCR_SDBE;
+
+ /*------------------------------------------------------------------
+ | This next section is hardware dependent and must be programmed
+ | to match the hardware.
+ +-----------------------------------------------------------------*/
+ if (dimm_num == 0) {
+ for (i = 0; i < num_banks; i++) {
+ mtdcr(memcfga, mem_b0cr + (i << 2));
+ temp = mfdcr(memcfgd) & ~(SDRAM_BXCR_SDBA_MASK |
+ SDRAM_BXCR_SDSZ_MASK |
+ SDRAM_BXCR_SDAM_MASK |
+ SDRAM_BXCR_SDBE);
+ cr |= temp;
+ cr |= bank_base_addr & SDRAM_BXCR_SDBA_MASK;
+ mtdcr(memcfgd, cr);
+ bank_base_addr += bank_size_bytes;
+ }
+ }
+ else {
+ for (i = 0; i < num_banks; i++) {
+ mtdcr(memcfga, mem_b2cr + (i << 2));
+ temp = mfdcr(memcfgd) & ~(SDRAM_BXCR_SDBA_MASK |
+ SDRAM_BXCR_SDSZ_MASK |
+ SDRAM_BXCR_SDAM_MASK |
+ SDRAM_BXCR_SDBE);
+ cr |= temp;
+ cr |= bank_base_addr & SDRAM_BXCR_SDBA_MASK;
+ mtdcr(memcfgd, cr);
+ bank_base_addr += bank_size_bytes;
+ }
+ }
+ }
}
return(bank_base_addr);
@@ -1775,26 +1775,26 @@ void program_ecc (unsigned long num_bytes)
bank_base_addr = CFG_SDRAM_BASE;
if ((cfg0 & SDRAM_CFG0_MCHK_MASK) != SDRAM_CFG0_MCHK_NON) {
- mtsdram(mem_cfg0, (cfg0 & ~SDRAM_CFG0_MCHK_MASK) |
- SDRAM_CFG0_MCHK_GEN);
-
- if ((cfg0 & SDRAM_CFG0_DMWD_MASK) == SDRAM_CFG0_DMWD_32) {
- address_increment = 4;
- }
- else {
- address_increment = 8;
- }
-
- current_address = (unsigned long)(bank_base_addr);
- end_address = (unsigned long)(bank_base_addr) + num_bytes;
-
- while (current_address < end_address) {
- *((unsigned long*)current_address) = 0x00000000;
- current_address += address_increment;
- }
-
- mtsdram(mem_cfg0, (cfg0 & ~SDRAM_CFG0_MCHK_MASK) |
- SDRAM_CFG0_MCHK_CHK);
+ mtsdram(mem_cfg0, (cfg0 & ~SDRAM_CFG0_MCHK_MASK) |
+ SDRAM_CFG0_MCHK_GEN);
+
+ if ((cfg0 & SDRAM_CFG0_DMWD_MASK) == SDRAM_CFG0_DMWD_32) {
+ address_increment = 4;
+ }
+ else {
+ address_increment = 8;
+ }
+
+ current_address = (unsigned long)(bank_base_addr);
+ end_address = (unsigned long)(bank_base_addr) + num_bytes;
+
+ while (current_address < end_address) {
+ *((unsigned long*)current_address) = 0x00000000;
+ current_address += address_increment;
+ }
+
+ mtsdram(mem_cfg0, (cfg0 & ~SDRAM_CFG0_MCHK_MASK) |
+ SDRAM_CFG0_MCHK_CHK);
}
}
diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c
index fdefbb6877..72632274a0 100644
--- a/cpu/ppc4xx/speed.c
+++ b/cpu/ppc4xx/speed.c
@@ -232,7 +232,7 @@ void get_sys_info (sys_info_t * sysInfo)
sysInfo->freqProcessor = sysInfo->freqVCOMhz/sysInfo->pllFwdDivA;
sysInfo->freqPLB = sysInfo->freqVCOMhz/sysInfo->pllFwdDivB;
if( get_pvr() == PVR_440GP_RB ) /* Rev B divs an extra 2 -- geez! */
- sysInfo->freqPLB >>= 1;
+ sysInfo->freqPLB >>= 1;
sysInfo->freqOPB = sysInfo->freqPLB/sysInfo->pllOpbDiv;
sysInfo->freqEPB = sysInfo->freqOPB/sysInfo->pllExtBusDiv;
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index c6a9edad4e..aa857d030c 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -556,9 +556,9 @@ _start:
/*----------------------------------------------------------------------- */
/* DMA Status, clear to come up clean */
/*----------------------------------------------------------------------- */
- addis r3,r0, 0xFFFF /* Clear all existing DMA status */
- ori r3,r3, 0xFFFF
- mtdcr dmasr, r3
+ addis r3,r0, 0xFFFF /* Clear all existing DMA status */
+ ori r3,r3, 0xFFFF
+ mtdcr dmasr, r3
bl ppc405ep_init /* do ppc405ep specific init */
#endif /* CONFIG_405EP */
@@ -568,21 +568,21 @@ _start:
* Setup OCM - On Chip Memory
*******************************************************************/
/* Setup OCM */
- lis r0, 0x7FFF
- ori r0, r0, 0xFFFF
- mfdcr r3, ocmiscntl /* get instr-side IRAM config */
- mfdcr r4, ocmdscntl /* get data-side IRAM config */
- and r3, r3, r0 /* disable data-side IRAM */
- and r4, r4, r0 /* disable data-side IRAM */
- mtdcr ocmiscntl, r3 /* set instr-side IRAM config */
- mtdcr ocmdscntl, r4 /* set data-side IRAM config */
- isync
+ lis r0, 0x7FFF
+ ori r0, r0, 0xFFFF
+ mfdcr r3, ocmiscntl /* get instr-side IRAM config */
+ mfdcr r4, ocmdscntl /* get data-side IRAM config */
+ and r3, r3, r0 /* disable data-side IRAM */
+ and r4, r4, r0 /* disable data-side IRAM */
+ mtdcr ocmiscntl, r3 /* set instr-side IRAM config */
+ mtdcr ocmdscntl, r4 /* set data-side IRAM config */
+ isync
addis r3, 0, CFG_OCM_DATA_ADDR@h /* OCM location */
mtdcr ocmdsarc, r3
addis r4, 0, 0xC000 /* OCM data area enabled */
mtdcr ocmdscntl, r4
- isync
+ isync
#endif
/*----------------------------------------------------------------------- */
@@ -697,7 +697,7 @@ _start:
GET_GOT /* initialize GOT access */
- bl cpu_init_f /* run low-level CPU init code (from Flash) */
+ bl cpu_init_f /* run low-level CPU init code (from Flash) */
/* NEVER RETURNS! */
bl board_init_f /* run first part of init code (from Flash) */
@@ -1451,100 +1451,100 @@ trap_reloc:
/**************************************************************************/
#ifdef CONFIG_405EP
ppc405ep_init:
- /*
- !-----------------------------------------------------------------------
- ! Check FPGA for PCI internal/external arbitration
- ! If board is set to internal arbitration, update cpc0_pci
- !-----------------------------------------------------------------------
+ /*
+ !-----------------------------------------------------------------------
+ ! Check FPGA for PCI internal/external arbitration
+ ! If board is set to internal arbitration, update cpc0_pci
+ !-----------------------------------------------------------------------
*/
- addi r3,0,CPC0_PCI_HOST_CFG_EN
+ addi r3,0,CPC0_PCI_HOST_CFG_EN
#ifdef CONFIG_BUBINGA405EP
- addis r5,r0,FPGA_REG1@h /* set offset for FPGA_REG1 */
- ori r5,r5,FPGA_REG1@l
- lbz r5,0x0(r5) /* read to get PCI arb selection */
- andi. r6,r5,FPGA_REG1_PCI_INT_ARB /* using internal arbiter ?*/
- beq ..pci_cfg_set /* if not set, then bypass reg write*/
+ addis r5,r0,FPGA_REG1@h /* set offset for FPGA_REG1 */
+ ori r5,r5,FPGA_REG1@l
+ lbz r5,0x0(r5) /* read to get PCI arb selection */
+ andi. r6,r5,FPGA_REG1_PCI_INT_ARB /* using internal arbiter ?*/
+ beq ..pci_cfg_set /* if not set, then bypass reg write*/
#endif
- ori r3,r3,CPC0_PCI_ARBIT_EN
+ ori r3,r3,CPC0_PCI_ARBIT_EN
..pci_cfg_set:
- mtdcr CPC0_PCI, r3 /* Enable internal arbiter*/
-
- /*
- !-----------------------------------------------------------------------
- ! Check to see if chip is in bypass mode.
- ! If so, write stored CPC0_PLLMR0 and CPC0_PLLMR1 values and perform a
- ! CPU reset Otherwise, skip this step and keep going.
- ! Note: Running BIOS in bypass mode is not supported since PLB speed
- ! will not be fast enough for the SDRAM (min 66MHz)
- !-----------------------------------------------------------------------
+ mtdcr CPC0_PCI, r3 /* Enable internal arbiter*/
+
+ /*
+ !-----------------------------------------------------------------------
+ ! Check to see if chip is in bypass mode.
+ ! If so, write stored CPC0_PLLMR0 and CPC0_PLLMR1 values and perform a
+ ! CPU reset Otherwise, skip this step and keep going.
+ ! Note: Running BIOS in bypass mode is not supported since PLB speed
+ ! will not be fast enough for the SDRAM (min 66MHz)
+ !-----------------------------------------------------------------------
*/
- mfdcr r5, CPC0_PLLMR1
- rlwinm r4,r5,1,0x1 /* get system clock source (SSCS) */
- cmpi cr0,0,r4,0x1
+ mfdcr r5, CPC0_PLLMR1
+ rlwinm r4,r5,1,0x1 /* get system clock source (SSCS) */
+ cmpi cr0,0,r4,0x1
- beq pll_done /* if SSCS =b'1' then PLL has */
- /* already been set */
- /* and CPU has been reset */
- /* so skip to next section */
+ beq pll_done /* if SSCS =b'1' then PLL has */
+ /* already been set */
+ /* and CPU has been reset */
+ /* so skip to next section */
#ifdef CONFIG_BUBINGA405EP
/*
- !-----------------------------------------------------------------------
- ! Read NVRAM to get value to write in PLLMR.
- ! If value has not been correctly saved, write default value
- ! Default config values (assuming on-board 33MHz SYS_CLK) are above.
- ! See CPU_DEFAULT_200 and CPU_DEFAULT_266 above.
- !
- ! WARNING: This code assumes the first three words in the nvram_t
- ! structure in openbios.h. Changing the beginning of
- ! the structure will break this code.
- !
- !-----------------------------------------------------------------------
+ !-----------------------------------------------------------------------
+ ! Read NVRAM to get value to write in PLLMR.
+ ! If value has not been correctly saved, write default value
+ ! Default config values (assuming on-board 33MHz SYS_CLK) are above.
+ ! See CPU_DEFAULT_200 and CPU_DEFAULT_266 above.
+ !
+ ! WARNING: This code assumes the first three words in the nvram_t
+ ! structure in openbios.h. Changing the beginning of
+ ! the structure will break this code.
+ !
+ !-----------------------------------------------------------------------
*/
- addis r3,0,NVRAM_BASE@h
- addi r3,r3,NVRAM_BASE@l
-
- lwz r4, 0(r3)
- addis r5,0,NVRVFY1@h
- addi r5,r5,NVRVFY1@l
- cmp cr0,0,r4,r5 /* Compare 1st NVRAM Magic number*/
- bne ..no_pllset
- addi r3,r3,4
- lwz r4, 0(r3)
- addis r5,0,NVRVFY2@h
- addi r5,r5,NVRVFY2@l
- cmp cr0,0,r4,r5 /* Compare 2 NVRAM Magic number */
- bne ..no_pllset
- addi r3,r3,8 /* Skip over conf_size */
- lwz r4, 4(r3) /* Load PLLMR1 value from NVRAM */
- lwz r3, 0(r3) /* Load PLLMR0 value from NVRAM */
- rlwinm r5,r4,1,0x1 /* get system clock source (SSCS) */
- cmpi cr0,0,r5,1 /* See if PLL is locked */
- beq pll_write
+ addis r3,0,NVRAM_BASE@h
+ addi r3,r3,NVRAM_BASE@l
+
+ lwz r4, 0(r3)
+ addis r5,0,NVRVFY1@h
+ addi r5,r5,NVRVFY1@l
+ cmp cr0,0,r4,r5 /* Compare 1st NVRAM Magic number*/
+ bne ..no_pllset
+ addi r3,r3,4
+ lwz r4, 0(r3)
+ addis r5,0,NVRVFY2@h
+ addi r5,r5,NVRVFY2@l
+ cmp cr0,0,r4,r5 /* Compare 2 NVRAM Magic number */
+ bne ..no_pllset
+ addi r3,r3,8 /* Skip over conf_size */
+ lwz r4, 4(r3) /* Load PLLMR1 value from NVRAM */
+ lwz r3, 0(r3) /* Load PLLMR0 value from NVRAM */
+ rlwinm r5,r4,1,0x1 /* get system clock source (SSCS) */
+ cmpi cr0,0,r5,1 /* See if PLL is locked */
+ beq pll_write
..no_pllset:
#endif /* CONFIG_BUBINGA405EP */
- addis r3,0,PLLMR0_DEFAULT@h /* PLLMR0 default value */
- ori r3,r3,PLLMR0_DEFAULT@l /* */
- addis r4,0,PLLMR1_DEFAULT@h /* PLLMR1 default value */
- ori r4,r4,PLLMR1_DEFAULT@l /* */
+ addis r3,0,PLLMR0_DEFAULT@h /* PLLMR0 default value */
+ ori r3,r3,PLLMR0_DEFAULT@l /* */
+ addis r4,0,PLLMR1_DEFAULT@h /* PLLMR1 default value */
+ ori r4,r4,PLLMR1_DEFAULT@l /* */
- b pll_write /* Write the CPC0_PLLMR with new value */
+ b pll_write /* Write the CPC0_PLLMR with new value */
pll_done:
- /*
- !-----------------------------------------------------------------------
- ! Clear Soft Reset Register
- ! This is needed to enable PCI if not booting from serial EPROM
- !-----------------------------------------------------------------------
+ /*
+ !-----------------------------------------------------------------------
+ ! Clear Soft Reset Register
+ ! This is needed to enable PCI if not booting from serial EPROM
+ !-----------------------------------------------------------------------
*/
- addi r3, 0, 0x0
- mtdcr CPC0_SRR, r3
+ addi r3, 0, 0x0
+ mtdcr CPC0_SRR, r3
- addis r3,0,0x0010
- mtctr r3
+ addis r3,0,0x0010
+ mtctr r3
pci_wait:
- bdnz pci_wait
+ bdnz pci_wait
blr /* return to main code */
@@ -1565,43 +1565,43 @@ pci_wait:
!-----------------------------------------------------------------------------
*/
pll_write:
- mfdcr r5, CPC0_UCR
- andis. r5,r5,0xFFFF
- ori r5,r5,0x0101 /* Stop the UART clocks */
- mtdcr CPC0_UCR,r5 /* Before changing PLL */
-
- mfdcr r5, CPC0_PLLMR1
- rlwinm r5,r5,0,0x7FFFFFFF /* Disable PLL */
- mtdcr CPC0_PLLMR1,r5
- oris r5,r5,0x4000 /* Set PLL Reset */
- mtdcr CPC0_PLLMR1,r5
-
- mtdcr CPC0_PLLMR0,r3 /* Set clock dividers */
- rlwinm r5,r4,0,0x3FFFFFFF /* Reset & Bypass new PLL dividers */
- oris r5,r5,0x4000 /* Set PLL Reset */
- mtdcr CPC0_PLLMR1,r5 /* Set clock dividers */
- rlwinm r5,r5,0,0xBFFFFFFF /* Clear PLL Reset */
- mtdcr CPC0_PLLMR1,r5
+ mfdcr r5, CPC0_UCR
+ andis. r5,r5,0xFFFF
+ ori r5,r5,0x0101 /* Stop the UART clocks */
+ mtdcr CPC0_UCR,r5 /* Before changing PLL */
+
+ mfdcr r5, CPC0_PLLMR1
+ rlwinm r5,r5,0,0x7FFFFFFF /* Disable PLL */
+ mtdcr CPC0_PLLMR1,r5
+ oris r5,r5,0x4000 /* Set PLL Reset */
+ mtdcr CPC0_PLLMR1,r5
+
+ mtdcr CPC0_PLLMR0,r3 /* Set clock dividers */
+ rlwinm r5,r4,0,0x3FFFFFFF /* Reset & Bypass new PLL dividers */
+ oris r5,r5,0x4000 /* Set PLL Reset */
+ mtdcr CPC0_PLLMR1,r5 /* Set clock dividers */
+ rlwinm r5,r5,0,0xBFFFFFFF /* Clear PLL Reset */
+ mtdcr CPC0_PLLMR1,r5
/*
- ! Wait min of 100us for PLL to lock.
- ! See CMOS 27E databook for more info.
- ! At 200MHz, that means waiting 20,000 instructions
+ ! Wait min of 100us for PLL to lock.
+ ! See CMOS 27E databook for more info.
+ ! At 200MHz, that means waiting 20,000 instructions
*/
- addi r3,0,20000 /* 2000 = 0x4e20 */
- mtctr r3
+ addi r3,0,20000 /* 2000 = 0x4e20 */
+ mtctr r3
pll_wait:
- bdnz pll_wait
-
- oris r5,r5,0x8000 /* Enable PLL */
- mtdcr CPC0_PLLMR1,r5 /* Engage */
-
- /*
- * Reset CPU to guarantee timings are OK
- * Not sure if this is needed...
- */
- addis r3,0,0x1000
- mtspr dbcr0,r3 /* This will cause a CPU core reset, and */
- /* execution will continue from the poweron */
- /* vector of 0xfffffffc */
+ bdnz pll_wait
+
+ oris r5,r5,0x8000 /* Enable PLL */
+ mtdcr CPC0_PLLMR1,r5 /* Engage */
+
+ /*
+ * Reset CPU to guarantee timings are OK
+ * Not sure if this is needed...
+ */
+ addis r3,0,0x1000
+ mtspr dbcr0,r3 /* This will cause a CPU core reset, and */
+ /* execution will continue from the poweron */
+ /* vector of 0xfffffffc */
#endif /* CONFIG_405EP */
diff --git a/cpu/ppc4xx/traps.c b/cpu/ppc4xx/traps.c
index 85f2ea4cce..1cf899eb73 100644
--- a/cpu/ppc4xx/traps.c
+++ b/cpu/ppc4xx/traps.c
@@ -203,7 +203,7 @@ AlignmentException(struct pt_regs *regs)
void
ProgramCheckException(struct pt_regs *regs)
{
- long esr_val;
+ long esr_val;
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
if (debugger_exception_handler && (*debugger_exception_handler)(regs))
@@ -212,12 +212,12 @@ ProgramCheckException(struct pt_regs *regs)
show_regs(regs);
- esr_val = get_esr();
- if( esr_val & ESR_PIL )
+ esr_val = get_esr();
+ if( esr_val & ESR_PIL )
printf( "** Illegal Instruction **\n" );
- else if( esr_val & ESR_PPR )
+ else if( esr_val & ESR_PPR )
printf( "** Privileged Instruction **\n" );
- else if( esr_val & ESR_PTR )
+ else if( esr_val & ESR_PTR )
printf( "** Trap Instruction **\n" );
print_backtrace((unsigned long *)regs->gpr[1]);
@@ -227,15 +227,15 @@ ProgramCheckException(struct pt_regs *regs)
void
PITException(struct pt_regs *regs)
{
- /*
- * Reset PIT interrupt
- */
- set_tsr(0x08000000);
-
- /*
- * Call timer_interrupt routine in interrupts.c
- */
- timer_interrupt(NULL);
+ /*
+ * Reset PIT interrupt
+ */
+ set_tsr(0x08000000);
+
+ /*
+ * Call timer_interrupt routine in interrupts.c
+ */
+ timer_interrupt(NULL);
}
OpenPOWER on IntegriCloud