diff options
| -rw-r--r-- | board/esd/pci405/cmd_pci405.c | 871 |
1 files changed, 0 insertions, 871 deletions
diff --git a/board/esd/pci405/cmd_pci405.c b/board/esd/pci405/cmd_pci405.c index 5c717e25..f558a2b 100644 --- a/board/esd/pci405/cmd_pci405.c +++ b/board/esd/pci405/cmd_pci405.c @@ -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 |