ppc4xx: Remove unused code from PCI405 code
Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com> Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Matthias Fuchs
Stefan Roese
parent
de01c76c3c
commit
348c849d86
@ -32,13 +32,9 @@
|
||||
|
||||
#include "pci405.h"
|
||||
|
||||
|
||||
#if defined(CONFIG_CMD_BSP)
|
||||
|
||||
extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
|
||||
extern int do_bootvx (cmd_tbl_t *, int, int, char *[]);
|
||||
unsigned long get_dcr(unsigned short);
|
||||
|
||||
|
||||
/*
|
||||
* Command loadpci: wait for signal from host and boot image.
|
||||
@ -97,33 +93,6 @@ int do_loadpci(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
} else {
|
||||
sprintf(addr, "%08x", *ptr);
|
||||
|
||||
#if 0
|
||||
/*
|
||||
* Boot image
|
||||
*/
|
||||
if (*ptr & 0x00000001) {
|
||||
/*
|
||||
* Boot VxWorks image via bootvx
|
||||
*/
|
||||
addr[strlen(addr)-1] = '0';
|
||||
printf("\nBooting VxWorks-Image at addr 0x%s ...\n", addr);
|
||||
setenv("loadaddr", addr);
|
||||
|
||||
local_args[0] = argv[0];
|
||||
local_args[1] = NULL;
|
||||
status = do_bootvx (cmdtp, 0, 1, local_args);
|
||||
} else {
|
||||
/*
|
||||
* Boot image via bootm (normally Linux)
|
||||
*/
|
||||
printf("\nBooting Image at addr 0x%s ...\n", addr);
|
||||
setenv("loadaddr", addr);
|
||||
|
||||
local_args[0] = argv[0];
|
||||
local_args[1] = NULL;
|
||||
status = do_bootm (cmdtp, 0, 1, local_args);
|
||||
}
|
||||
#else
|
||||
/*
|
||||
* Boot image via bootm
|
||||
*/
|
||||
@ -133,7 +102,6 @@ int do_loadpci(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
local_args[0] = argv[0];
|
||||
local_args[1] = NULL;
|
||||
status = do_bootm (cmdtp, 0, 1, local_args);
|
||||
#endif
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -143,843 +111,4 @@ U_BOOT_CMD(
|
||||
"loadpci - Wait for pci-image and boot it\n",
|
||||
NULL
|
||||
);
|
||||
|
||||
#endif
|
||||
|
||||
#if 1 /* test-only */
|
||||
int do_getpci(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
unsigned int val;
|
||||
int i;
|
||||
|
||||
printf("\nPCI Configuration Regs for PPC405GP:");
|
||||
for (i=0; i<0x64; i+=4) {
|
||||
pci_read_config_dword(PCIDEVID_405GP, i, &val);
|
||||
if (!(i % 0x10)) {
|
||||
printf("\n%02x: ", i);
|
||||
}
|
||||
printf("%08x ", val);
|
||||
}
|
||||
printf("\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
getpci, 1, 1, do_getpci,
|
||||
"getpci - Print own pci configuration registers\n",
|
||||
NULL
|
||||
);
|
||||
|
||||
int do_setpci(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
unsigned int addr;
|
||||
unsigned int val;
|
||||
|
||||
addr = simple_strtol (argv[1], NULL, 16);
|
||||
val = simple_strtol (argv[2], NULL, 16);
|
||||
|
||||
printf("\nWriting %08x to PCI reg %08x.\n", val, addr);
|
||||
pci_write_config_dword(PCIDEVID_405GP, addr, val);
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
setpci, 3, 1, do_setpci,
|
||||
"setpci - Set one pci configuration lword\n",
|
||||
"<addr> <val>\n"
|
||||
" - Write pci configuration lword <val> to <addr>.\n"
|
||||
);
|
||||
|
||||
int do_dumpdcr(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
int i;
|
||||
|
||||
printf("\nDevice Configuration Registers (DCR's) for PPC405GP:");
|
||||
for (i=0; i<=0x1e0; i++) {
|
||||
if (!(i % 0x8)) {
|
||||
printf("\n%04x ", i);
|
||||
}
|
||||
printf("%08lx ", get_dcr(i));
|
||||
}
|
||||
printf("\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
dumpdcr, 1, 1, do_dumpdcr,
|
||||
"dumpdcr - Dump all DCR registers\n",
|
||||
NULL
|
||||
);
|
||||
|
||||
|
||||
int do_dumpspr(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
printf("\nSpecial Purpose Registers (SPR's) for PPC405GP:");
|
||||
printf("\n%04x %08x ", 947, mfspr(947));
|
||||
printf("\n%04x %08x ", 9, mfspr(9));
|
||||
printf("\n%04x %08x ", 1014, mfspr(1014));
|
||||
printf("\n%04x %08x ", 1015, mfspr(1015));
|
||||
printf("\n%04x %08x ", 1010, mfspr(1010));
|
||||
printf("\n%04x %08x ", 957, mfspr(957));
|
||||
printf("\n%04x %08x ", 1008, mfspr(1008));
|
||||
printf("\n%04x %08x ", 1018, mfspr(1018));
|
||||
printf("\n%04x %08x ", 954, mfspr(954));
|
||||
printf("\n%04x %08x ", 950, mfspr(950));
|
||||
printf("\n%04x %08x ", 951, mfspr(951));
|
||||
printf("\n%04x %08x ", 981, mfspr(981));
|
||||
printf("\n%04x %08x ", 980, mfspr(980));
|
||||
printf("\n%04x %08x ", 982, mfspr(982));
|
||||
printf("\n%04x %08x ", 1012, mfspr(1012));
|
||||
printf("\n%04x %08x ", 1013, mfspr(1013));
|
||||
printf("\n%04x %08x ", 948, mfspr(948));
|
||||
printf("\n%04x %08x ", 949, mfspr(949));
|
||||
printf("\n%04x %08x ", 1019, mfspr(1019));
|
||||
printf("\n%04x %08x ", 979, mfspr(979));
|
||||
printf("\n%04x %08x ", 8, mfspr(8));
|
||||
printf("\n%04x %08x ", 945, mfspr(945));
|
||||
printf("\n%04x %08x ", 987, mfspr(987));
|
||||
printf("\n%04x %08x ", 287, mfspr(287));
|
||||
printf("\n%04x %08x ", 953, mfspr(953));
|
||||
printf("\n%04x %08x ", 955, mfspr(955));
|
||||
printf("\n%04x %08x ", 272, mfspr(272));
|
||||
printf("\n%04x %08x ", 273, mfspr(273));
|
||||
printf("\n%04x %08x ", 274, mfspr(274));
|
||||
printf("\n%04x %08x ", 275, mfspr(275));
|
||||
printf("\n%04x %08x ", 260, mfspr(260));
|
||||
printf("\n%04x %08x ", 276, mfspr(276));
|
||||
printf("\n%04x %08x ", 261, mfspr(261));
|
||||
printf("\n%04x %08x ", 277, mfspr(277));
|
||||
printf("\n%04x %08x ", 262, mfspr(262));
|
||||
printf("\n%04x %08x ", 278, mfspr(278));
|
||||
printf("\n%04x %08x ", 263, mfspr(263));
|
||||
printf("\n%04x %08x ", 279, mfspr(279));
|
||||
printf("\n%04x %08x ", 26, mfspr(26));
|
||||
printf("\n%04x %08x ", 27, mfspr(27));
|
||||
printf("\n%04x %08x ", 990, mfspr(990));
|
||||
printf("\n%04x %08x ", 991, mfspr(991));
|
||||
printf("\n%04x %08x ", 956, mfspr(956));
|
||||
printf("\n%04x %08x ", 284, mfspr(284));
|
||||
printf("\n%04x %08x ", 285, mfspr(285));
|
||||
printf("\n%04x %08x ", 986, mfspr(986));
|
||||
printf("\n%04x %08x ", 984, mfspr(984));
|
||||
printf("\n%04x %08x ", 256, mfspr(256));
|
||||
printf("\n%04x %08x ", 1, mfspr(1));
|
||||
printf("\n%04x %08x ", 944, mfspr(944));
|
||||
printf("\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
dumpspr, 1, 1, do_dumpspr,
|
||||
"dumpspr - Dump all SPR registers\n",
|
||||
NULL
|
||||
);
|
||||
|
||||
|
||||
#define PCI0_BRDGOPT1 0x4a
|
||||
#define plb0_acr 0x87
|
||||
|
||||
int do_getplb(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
unsigned short val;
|
||||
|
||||
printf("PLB0_ACR=%08lx\n", get_dcr(0x87));
|
||||
pci_read_config_word(PCIDEVID_405GP, PCI0_BRDGOPT1, &val);
|
||||
printf("PCI0_BRDGOPT1=%04x\n", val);
|
||||
printf("CCR0=%08x\n", mfspr(ccr0));
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
getplb, 1, 1, do_getplb,
|
||||
"getplb - Dump all plb arbiter registers\n",
|
||||
NULL
|
||||
);
|
||||
|
||||
int do_setplb(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
unsigned int my_acr;
|
||||
unsigned int my_brdgopt1;
|
||||
unsigned int my_ccr0;
|
||||
|
||||
my_acr = simple_strtol (argv[1], NULL, 16);
|
||||
my_brdgopt1 = simple_strtol (argv[2], NULL, 16);
|
||||
my_ccr0 = simple_strtol (argv[3], NULL, 16);
|
||||
|
||||
mtdcr(plb0_acr, my_acr);
|
||||
pci_write_config_word(PCIDEVID_405GP, PCI0_BRDGOPT1, my_brdgopt1);
|
||||
mtspr(ccr0, my_ccr0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
setplb, 4, 1, do_setplb,
|
||||
"setplb - Set all plb arbiter registers\n",
|
||||
"PLB0_ACR PCI0_BRDGOPT1 CCR0\n"
|
||||
" - Set all plb arbiter registers\n"
|
||||
);
|
||||
|
||||
|
||||
/***********************************************************************
|
||||
*
|
||||
* The following code is only for test purposes!!!!
|
||||
* Please ignore this ugly stuff!!!!!!!!!!!!!!!!!!!
|
||||
*
|
||||
***********************************************************************/
|
||||
|
||||
#define PCI_ADDR 0xc0000000
|
||||
|
||||
int do_writepci(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
unsigned int addr;
|
||||
unsigned int size;
|
||||
unsigned int countmax;
|
||||
int i;
|
||||
int max;
|
||||
volatile unsigned long *ptr;
|
||||
volatile unsigned long val;
|
||||
int loopcount = 0;
|
||||
int test_pci_read = 0;
|
||||
int test_pci_cfg_write = 0;
|
||||
int test_sync = 0;
|
||||
int test_pci_pre_read = 0;
|
||||
|
||||
addr = simple_strtol (argv[1], NULL, 16);
|
||||
size = simple_strtol (argv[2], NULL, 16);
|
||||
countmax = simple_strtol (argv[3], NULL, 16);
|
||||
if (countmax == 0)
|
||||
countmax = 1000;
|
||||
|
||||
do_getplb(NULL, 0, 0, NULL);
|
||||
|
||||
#if 0
|
||||
out32r(PMM0LA, 0);
|
||||
out32r(PMM0PCILA, 0);
|
||||
out32r(PMM0PCIHA, 0);
|
||||
out32r(PMM0MA, 0);
|
||||
out32r(PMM1LA, PCI_ADDR);
|
||||
out32r(PMM1PCILA, addr & 0xff000000);
|
||||
out32r(PMM1PCIHA, 0x00000000);
|
||||
out32r(PMM1MA, 0xff000001);
|
||||
#endif
|
||||
|
||||
printf("PMM1LA =%08lx\n", in32r(PMM1LA));
|
||||
printf("PMM1MA =%08lx\n", in32r(PMM1MA));
|
||||
printf("PMM1PCILA =%08lx\n", in32r(PMM1PCILA));
|
||||
printf("PMM1PCIHA =%08lx\n", in32r(PMM1PCIHA));
|
||||
|
||||
addr = PCI_ADDR | (addr & 0x00ffffff);
|
||||
printf("\nWriting at addr %08x, size %08x (countmax=%x)\n", addr, size, countmax);
|
||||
|
||||
max = size >> 2;
|
||||
|
||||
pci_write_config_word(PCIDEVID_405GP, 0x04, 0x0106); /* write command reg */
|
||||
|
||||
val = *(ulong *)0x00000000;
|
||||
if (val & 0x00000008) {
|
||||
test_pci_pre_read = 1;
|
||||
printf("Running test with pre pci-memory-read access!\n");
|
||||
}
|
||||
if (val & 0x00000004) {
|
||||
test_sync = 1;
|
||||
printf("Running test with sync instruction!\n");
|
||||
}
|
||||
if (val & 0x00000001) {
|
||||
test_pci_read = 1;
|
||||
printf("Running test with pci-memory-read access!\n");
|
||||
}
|
||||
if (val & 0x00000002) {
|
||||
test_pci_cfg_write = 1;
|
||||
printf("Running test with pci-config-write access!\n");
|
||||
}
|
||||
|
||||
while (1) {
|
||||
|
||||
if (test_pci_pre_read) {
|
||||
/*
|
||||
* Read one value back
|
||||
*/
|
||||
ptr = (volatile unsigned long *)addr;
|
||||
val = *ptr;
|
||||
}
|
||||
|
||||
/*
|
||||
* Write some values to host via pci busmastering
|
||||
*/
|
||||
ptr = (volatile unsigned long *)addr;
|
||||
for (i=0; i<max; i++) {
|
||||
*ptr++ = i;
|
||||
}
|
||||
|
||||
if (test_sync) {
|
||||
/*
|
||||
* Sync previous writes
|
||||
*/
|
||||
ppcSync();
|
||||
}
|
||||
|
||||
if (test_pci_read) {
|
||||
/*
|
||||
* Read one value back
|
||||
*/
|
||||
ptr = (volatile unsigned long *)addr;
|
||||
val = *ptr;
|
||||
}
|
||||
|
||||
if (test_pci_cfg_write) {
|
||||
/*
|
||||
* Generate IRQ to host via config regs
|
||||
*/
|
||||
pci_write_config_byte(PCIDEVID_405GP, 0x44, 0x00);
|
||||
}
|
||||
|
||||
if (loopcount++ > countmax) {
|
||||
/* Abort if ctrl-c was pressed */
|
||||
if (ctrlc()) {
|
||||
puts("\nAbort\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
putc('.');
|
||||
|
||||
loopcount = 0;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
writepci, 4, 1, do_writepci,
|
||||
"writepci - Write some data to pcibus\n",
|
||||
"<addr> <size>\n"
|
||||
" - Write some data to pcibus.\n"
|
||||
);
|
||||
|
||||
#define PCI_CFGADDR 0xeec00000
|
||||
#define PCI_CFGDATA 0xeec00004
|
||||
|
||||
int ibmPciConfigWrite
|
||||
(
|
||||
int offset, /* offset into the configuration space */
|
||||
int width, /* data width */
|
||||
unsigned int data /* data to be written */
|
||||
)
|
||||
{
|
||||
/*
|
||||
* Write config register address to the PCI config address register
|
||||
* bit 31 must be 1 and bits 1:0 must be 0 (note LE bit notation)
|
||||
*/
|
||||
out32r(PCI_CFGADDR, 0x80000000 | (offset & 0xFFFFFFFC));
|
||||
|
||||
#if 0 /* test-only */
|
||||
ppcSync();
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Write value to be written to the PCI config data register
|
||||
*/
|
||||
switch ( width ) {
|
||||
case 1: out32r(PCI_CFGDATA | (offset & 0x3), (unsigned char)(data & 0xFF));
|
||||
break;
|
||||
case 2: out32r(PCI_CFGDATA | (offset & 0x3), (unsigned short)(data & 0xFFFF));
|
||||
break;
|
||||
case 4: out32r(PCI_CFGDATA | (offset & 0x3), data);
|
||||
break;
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int do_writepci2(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
unsigned int addr;
|
||||
unsigned int size;
|
||||
unsigned int countmax;
|
||||
int max;
|
||||
volatile unsigned long *ptr;
|
||||
volatile unsigned long val;
|
||||
int loopcount = 0;
|
||||
|
||||
addr = simple_strtol (argv[1], NULL, 16);
|
||||
size = simple_strtol (argv[2], NULL, 16);
|
||||
countmax = simple_strtol (argv[3], NULL, 16);
|
||||
if (countmax == 0)
|
||||
countmax = 1000;
|
||||
|
||||
do_getplb(NULL, 0, 0, NULL);
|
||||
|
||||
#if 0
|
||||
out32r(PMM0LA, 0);
|
||||
out32r(PMM0PCILA, 0);
|
||||
out32r(PMM0PCIHA, 0);
|
||||
out32r(PMM0MA, 0);
|
||||
out32r(PMM1LA, PCI_ADDR);
|
||||
out32r(PMM1PCILA, addr & 0xff000000);
|
||||
out32r(PMM1PCIHA, 0x00000000);
|
||||
out32r(PMM1MA, 0xff000001);
|
||||
#endif
|
||||
|
||||
printf("PMM1LA =%08lx\n", in32r(PMM1LA));
|
||||
printf("PMM1MA =%08lx\n", in32r(PMM1MA));
|
||||
printf("PMM1PCILA =%08lx\n", in32r(PMM1PCILA));
|
||||
printf("PMM1PCIHA =%08lx\n", in32r(PMM1PCIHA));
|
||||
|
||||
addr = PCI_ADDR | (addr & 0x00ffffff);
|
||||
printf("\nWriting at addr %08x, size %08x (countmax=%x)\n", addr, size, countmax);
|
||||
|
||||
max = size >> 2;
|
||||
|
||||
pci_write_config_word(PCIDEVID_405GP, 0x04, 0x0106); /* write command reg */
|
||||
|
||||
while (1) {
|
||||
|
||||
/*
|
||||
* Write one values to host via pci busmastering
|
||||
*/
|
||||
ptr = (volatile unsigned long *)addr;
|
||||
*ptr = 0x01234567;
|
||||
|
||||
/*
|
||||
* Read one value back
|
||||
*/
|
||||
ptr = (volatile unsigned long *)addr;
|
||||
val = *ptr;
|
||||
|
||||
/*
|
||||
* One pci config write
|
||||
*/
|
||||
/* pci_write_config_byte(PCIDEVID_405GP, 0x44, 0x00); */
|
||||
/* ibmPciConfigWrite(0x44, 1, 0x00); */
|
||||
ibmPciConfigWrite(0x2e, 2, 0x1234); /* subsystem id */
|
||||
|
||||
if (loopcount++ > countmax) {
|
||||
/* Abort if ctrl-c was pressed */
|
||||
if (ctrlc()) {
|
||||
puts("\nAbort\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
putc('.');
|
||||
|
||||
loopcount = 0;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
writepci2, 4, 1, do_writepci2,
|
||||
"writepci2- Write some data to pcibus\n",
|
||||
"<addr> <size>\n"
|
||||
" - Write some data to pcibus.\n"
|
||||
);
|
||||
|
||||
int do_writepci22(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
unsigned int addr;
|
||||
unsigned int size;
|
||||
unsigned int countmax = 0;
|
||||
volatile unsigned long *ptr;
|
||||
volatile unsigned long val;
|
||||
|
||||
addr = simple_strtol (argv[1], NULL, 16);
|
||||
size = simple_strtol (argv[2], NULL, 16);
|
||||
|
||||
addr = PCI_ADDR | (addr & 0x00ffffff);
|
||||
printf("\nWriting at addr %08x, size %08x (countmax=%x)\n", addr, size, countmax);
|
||||
pci_write_config_word(PCIDEVID_405GP, 0x04, 0x0106); /* write command reg */
|
||||
|
||||
while (1) {
|
||||
|
||||
/*
|
||||
* Write one values to host via pci busmastering
|
||||
*/
|
||||
ptr = (volatile unsigned long *)addr;
|
||||
*ptr = 0x01234567;
|
||||
|
||||
/*
|
||||
* Read one value back
|
||||
*/
|
||||
ptr = (volatile unsigned long *)addr;
|
||||
val = *ptr;
|
||||
|
||||
/*
|
||||
* One pci config write
|
||||
*/
|
||||
ibmPciConfigWrite(0x2e, 2, 0x1234); /* subsystem id */
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
writepci22, 4, 1, do_writepci22,
|
||||
"writepci22- Write some data to pcibus\n",
|
||||
"<addr> <size>\n"
|
||||
" - Write some data to pcibus.\n"
|
||||
);
|
||||
|
||||
int ibmPciConfigWrite3
|
||||
(
|
||||
int offset, /* offset into the configuration space */
|
||||
int width, /* data width */
|
||||
unsigned int data /* data to be written */
|
||||
)
|
||||
{
|
||||
/*
|
||||
* Write config register address to the PCI config address register
|
||||
* bit 31 must be 1 and bits 1:0 must be 0 (note LE bit notation)
|
||||
*/
|
||||
out32r(PCI_CFGADDR, 0x80000000 | (offset & 0xFFFFFFFC));
|
||||
|
||||
#if 1 /* test-only */
|
||||
ppcSync();
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Write value to be written to the PCI config data register
|
||||
*/
|
||||
switch ( width ) {
|
||||
case 1: out32r(PCI_CFGDATA | (offset & 0x3), (unsigned char)(data & 0xFF));
|
||||
break;
|
||||
case 2: out32r(PCI_CFGDATA | (offset & 0x3), (unsigned short)(data & 0xFFFF));
|
||||
break;
|
||||
case 4: out32r(PCI_CFGDATA | (offset & 0x3), data);
|
||||
break;
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int do_writepci3(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
unsigned int addr;
|
||||
unsigned int size;
|
||||
unsigned int countmax;
|
||||
int max;
|
||||
volatile unsigned long *ptr;
|
||||
volatile unsigned long val;
|
||||
int loopcount = 0;
|
||||
|
||||
addr = simple_strtol (argv[1], NULL, 16);
|
||||
size = simple_strtol (argv[2], NULL, 16);
|
||||
countmax = simple_strtol (argv[3], NULL, 16);
|
||||
if (countmax == 0)
|
||||
countmax = 1000;
|
||||
|
||||
do_getplb(NULL, 0, 0, NULL);
|
||||
|
||||
#if 0
|
||||
out32r(PMM0LA, 0);
|
||||
out32r(PMM0PCILA, 0);
|
||||
out32r(PMM0PCIHA, 0);
|
||||
out32r(PMM0MA, 0);
|
||||
out32r(PMM1LA, PCI_ADDR);
|
||||
out32r(PMM1PCILA, addr & 0xff000000);
|
||||
out32r(PMM1PCIHA, 0x00000000);
|
||||
out32r(PMM1MA, 0xff000001);
|
||||
#endif
|
||||
|
||||
printf("PMM1LA =%08lx\n", in32r(PMM1LA));
|
||||
printf("PMM1MA =%08lx\n", in32r(PMM1MA));
|
||||
printf("PMM1PCILA =%08lx\n", in32r(PMM1PCILA));
|
||||
printf("PMM1PCIHA =%08lx\n", in32r(PMM1PCIHA));
|
||||
|
||||
addr = PCI_ADDR | (addr & 0x00ffffff);
|
||||
printf("\nWriting at addr %08x, size %08x (countmax=%x)\n", addr, size, countmax);
|
||||
|
||||
max = size >> 2;
|
||||
|
||||
pci_write_config_word(PCIDEVID_405GP, 0x04, 0x0106); /* write command reg */
|
||||
|
||||
while (1) {
|
||||
|
||||
/*
|
||||
* Write one values to host via pci busmastering
|
||||
*/
|
||||
ptr = (volatile unsigned long *)addr;
|
||||
*ptr = 0x01234567;
|
||||
|
||||
/*
|
||||
* Read one value back
|
||||
*/
|
||||
ptr = (volatile unsigned long *)addr;
|
||||
val = *ptr;
|
||||
|
||||
/*
|
||||
* One pci config write
|
||||
*/
|
||||
/* pci_write_config_byte(PCIDEVID_405GP, 0x44, 0x00); */
|
||||
/* ibmPciConfigWrite(0x44, 1, 0x00); */
|
||||
ibmPciConfigWrite3(0x2e, 2, 0x1234); /* subsystem id */
|
||||
|
||||
if (loopcount++ > countmax) {
|
||||
/* Abort if ctrl-c was pressed */
|
||||
if (ctrlc()) {
|
||||
puts("\nAbort\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
putc('.');
|
||||
|
||||
loopcount = 0;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
writepci3, 4, 1, do_writepci3,
|
||||
"writepci3- Write some data to pcibus\n",
|
||||
"<addr> <size>\n"
|
||||
" - Write some data to pcibus.\n"
|
||||
);
|
||||
|
||||
|
||||
#define SECTOR_SIZE 32 /* 32 byte cache line */
|
||||
#define SECTOR_MASK 0x1F
|
||||
|
||||
void my_flush_dcache(ulong lcl_addr, ulong count)
|
||||
{
|
||||
unsigned int lcl_target;
|
||||
|
||||
/* promote to nearest cache sector */
|
||||
lcl_target = (lcl_addr + count + SECTOR_SIZE - 1) & ~SECTOR_MASK;
|
||||
lcl_addr &= ~SECTOR_MASK;
|
||||
while (lcl_addr != lcl_target)
|
||||
{
|
||||
/* ppcDcbf((void *)lcl_addr);*/
|
||||
__asm__("dcbf 0,%0": :"r" (lcl_addr));
|
||||
lcl_addr += SECTOR_SIZE;
|
||||
}
|
||||
__asm__("sync"); /* Always flush prefetch queue in any case */
|
||||
}
|
||||
|
||||
int do_writepci_cache(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
unsigned int addr;
|
||||
unsigned int size;
|
||||
unsigned int countmax;
|
||||
int i;
|
||||
volatile unsigned long *ptr;
|
||||
volatile unsigned long val;
|
||||
int loopcount = 0;
|
||||
|
||||
addr = simple_strtol (argv[1], NULL, 16);
|
||||
size = simple_strtol (argv[2], NULL, 16);
|
||||
countmax = simple_strtol (argv[3], NULL, 16);
|
||||
if (countmax == 0)
|
||||
countmax = 1000;
|
||||
|
||||
do_getplb(NULL, 0, 0, NULL);
|
||||
|
||||
#if 0
|
||||
out32r(PMM0LA, 0);
|
||||
out32r(PMM0PCILA, 0);
|
||||
out32r(PMM0PCIHA, 0);
|
||||
out32r(PMM0MA, 0);
|
||||
out32r(PMM1LA, PCI_ADDR);
|
||||
out32r(PMM1PCILA, addr & 0xff000000);
|
||||
out32r(PMM1PCIHA, 0x00000000);
|
||||
out32r(PMM1MA, 0xff000001);
|
||||
#endif
|
||||
|
||||
printf("PMM1LA =%08lx\n", in32r(PMM1LA));
|
||||
printf("PMM1MA =%08lx\n", in32r(PMM1MA));
|
||||
printf("PMM1PCILA =%08lx\n", in32r(PMM1PCILA));
|
||||
printf("PMM1PCIHA =%08lx\n", in32r(PMM1PCIHA));
|
||||
|
||||
addr = PCI_ADDR | (addr & 0x00ffffff);
|
||||
printf("\nWriting at addr %08x, size %08x (countmax=%x)\n", addr, size, countmax);
|
||||
|
||||
pci_write_config_word(PCIDEVID_405GP, 0x04, 0x0106); /* write command reg */
|
||||
|
||||
i = 0;
|
||||
|
||||
/*
|
||||
* Set pci region as cachable
|
||||
*/
|
||||
ppcSync();
|
||||
__asm__ volatile (" addis 4,0,0x0000 ");
|
||||
__asm__ volatile (" addi 4,4,0x0080 ");
|
||||
__asm__ volatile (" mtdccr 4 ");
|
||||
ppcSync();
|
||||
|
||||
while (1) {
|
||||
|
||||
/*
|
||||
* Write one values to host via pci busmastering
|
||||
*/
|
||||
ptr = (volatile unsigned long *)addr;
|
||||
printf("A\n"); /* test-only */
|
||||
*ptr++ = i++;
|
||||
*ptr++ = i++;
|
||||
*ptr++ = i++;
|
||||
*ptr++ = i++;
|
||||
*ptr++ = i++;
|
||||
*ptr++ = i++;
|
||||
*ptr++ = i++;
|
||||
*ptr++ = i++;
|
||||
printf("B\n"); /* test-only */
|
||||
my_flush_dcache(addr, 32);
|
||||
printf("C\n"); /* test-only */
|
||||
|
||||
/*
|
||||
* Read one value back
|
||||
*/
|
||||
ptr = (volatile unsigned long *)addr;
|
||||
val = *ptr;
|
||||
printf("D\n"); /* test-only */
|
||||
|
||||
/*
|
||||
* One pci config write
|
||||
*/
|
||||
/* pci_write_config_byte(PCIDEVID_405GP, 0x44, 0x00); */
|
||||
/* ibmPciConfigWrite(0x44, 1, 0x00); */
|
||||
ibmPciConfigWrite3(0x2e, 2, 0x1234); /* subsystem id */
|
||||
printf("E\n"); /* test-only */
|
||||
|
||||
if (loopcount++ > countmax) {
|
||||
/* Abort if ctrl-c was pressed */
|
||||
if (ctrlc()) {
|
||||
puts("\nAbort\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
putc('.');
|
||||
|
||||
loopcount = 0;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
writepci_cache, 4, 1, do_writepci_cache,
|
||||
"writepci_cache - Write some data to pcibus\n",
|
||||
"<addr> <size>\n"
|
||||
" - Write some data to pcibus.\n"
|
||||
);
|
||||
|
||||
int do_savepci(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
unsigned int *ptr;
|
||||
int i;
|
||||
|
||||
/*
|
||||
* Save own pci configuration in PRAM
|
||||
*/
|
||||
memset((char *)PCI_REGS_ADDR, 0, PCI_REGS_LEN);
|
||||
ptr = (unsigned int *)PCI_REGS_ADDR + 1;
|
||||
for (i=0; i<0x40; i+=4) {
|
||||
pci_read_config_dword(PCIDEVID_405GP, i, ptr++);
|
||||
}
|
||||
ptr = (unsigned int *)PCI_REGS_ADDR;
|
||||
*ptr = crc32(0, (uchar *)PCI_REGS_ADDR+4, PCI_REGS_LEN-4);
|
||||
|
||||
printf("\nStoring PCI Configuration Regs...\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
savepci, 4, 1, do_savepci,
|
||||
"savepci - Save all pci regs\n",
|
||||
"<addr> <size>\n"
|
||||
" - Write some data to pcibus.\n"
|
||||
);
|
||||
|
||||
int do_restorepci(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
unsigned int *ptr;
|
||||
int i;
|
||||
|
||||
/*
|
||||
* Rewrite pci config regs (only after soft-reset with magic set)
|
||||
*/
|
||||
ptr = (unsigned int *)PCI_REGS_ADDR;
|
||||
if (crc32(0, (uchar *)PCI_REGS_ADDR+4, PCI_REGS_LEN-4) == *ptr) {
|
||||
puts("Restoring PCI Configurations Regs!\n");
|
||||
ptr = (unsigned int *)PCI_REGS_ADDR + 1;
|
||||
for (i=0; i<0x40; i+=4) {
|
||||
pci_write_config_dword(PCIDEVID_405GP, i, *ptr++);
|
||||
}
|
||||
}
|
||||
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
restorepci, 4, 1, do_restorepci,
|
||||
"restorepci - Restore all pci regs\n",
|
||||
"<addr> <size>\n"
|
||||
" - Write some data to pcibus.\n"
|
||||
);
|
||||
|
||||
|
||||
extern void write_without_sync(void);
|
||||
extern void write_with_sync(void);
|
||||
extern void write_with_less_sync(void);
|
||||
extern void write_with_more_sync(void);
|
||||
|
||||
/*
|
||||
* code from IBM-PPCSUPP
|
||||
*/
|
||||
int do_writeibm1(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
pci_write_config_word(PCIDEVID_405GP, 0x04, 0x0106); /* write command reg */
|
||||
|
||||
write_without_sync();
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
writeibm1, 4, 1, do_writeibm1,
|
||||
"writeibm1- Write some data to pcibus (without sync)\n",
|
||||
"<addr> <size>\n"
|
||||
" - Write some data to pcibus.\n"
|
||||
);
|
||||
|
||||
int do_writeibm2(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
pci_write_config_word(PCIDEVID_405GP, 0x04, 0x0106); /* write command reg */
|
||||
|
||||
write_with_sync();
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
writeibm2, 4, 1, do_writeibm2,
|
||||
"writeibm2- Write some data to pcibus (with sync)\n",
|
||||
"<addr> <size>\n"
|
||||
" - Write some data to pcibus.\n"
|
||||
);
|
||||
|
||||
int do_writeibm22(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
pci_write_config_word(PCIDEVID_405GP, 0x04, 0x0106); /* write command reg */
|
||||
|
||||
write_with_less_sync();
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
writeibm22, 4, 1, do_writeibm22,
|
||||
"writeibm22- Write some data to pcibus (with less sync)\n",
|
||||
"<addr> <size>\n"
|
||||
" - Write some data to pcibus.\n"
|
||||
);
|
||||
|
||||
int do_writeibm3(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
pci_write_config_word(PCIDEVID_405GP, 0x04, 0x0106); /* write command reg */
|
||||
|
||||
write_with_more_sync();
|
||||
|
||||
return 0;
|
||||
}
|
||||
U_BOOT_CMD(
|
||||
writeibm3, 4, 1, do_writeibm3,
|
||||
"writeibm3- Write some data to pcibus (with more sync)\n",
|
||||
"<addr> <size>\n"
|
||||
" - Write some data to pcibus.\n"
|
||||
);
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user