diff options
Diffstat (limited to 'qemu/roms/u-boot/board/musenki')
| -rw-r--r-- | qemu/roms/u-boot/board/musenki/Makefile | 8 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/musenki/README | 298 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/musenki/flash.c | 496 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/musenki/musenki.c | 94 |
4 files changed, 896 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/musenki/Makefile b/qemu/roms/u-boot/board/musenki/Makefile new file mode 100644 index 000000000..d2b79ffd2 --- /dev/null +++ b/qemu/roms/u-boot/board/musenki/Makefile @@ -0,0 +1,8 @@ +# +# (C) Copyright 2001-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y = musenki.o flash.o diff --git a/qemu/roms/u-boot/board/musenki/README b/qemu/roms/u-boot/board/musenki/README new file mode 100644 index 000000000..084ab54ff --- /dev/null +++ b/qemu/roms/u-boot/board/musenki/README @@ -0,0 +1,298 @@ +U-Boot for a Musenki M-3/M-1 board +--------------------------- + +Musenki M-1 and M-3 have two banks of flash of 4MB or 8MB each. + +In board's notation, bank 0 is the one at the address of 0xFF800000 +and bank 1 is the one at the address of 0xFF000000. + +On power-up the processor jumps to the address of 0xFFF00100, the last +megabyte of the bank 0 of flash. + +Thus, U-Boot is configured to reside in flash starting at the address of +0xFFF00000. The environment space is located in flash separately from +U-Boot, at the address of 0xFF800000. + +There is a Davicom 9102A on-board, but I don't have it working yet. + +U-Boot test results +-------------------- + +x.x Operation on all available serial consoles + +x.x.x CONFIG_CONS_INDEX 1 + + +U-Boot 1.1.1 (Nov 20 2001 - 15:55:32) + +CPU: MPC8245 Revision 16.20 at 250 MHz: 16 kB I-Cache 16 kB D-Cache +Board: MUSENKI Local Bus at 100 MHz +DRAM: 32 MB +FLASH: 4 MB +In: serial +Out: serial +Err: serial +Hit any key to stop autoboot: 0 +=> help +base - print or set address offset +bdinfo - print Board Info structure +bootm - boot application image from memory +bootp - boot image via network using BootP/TFTP protocol +bootd - boot default, i.e., run 'bootcmd' +cmp - memory compare +coninfo - print console devices and informations +cp - memory copy +crc32 - checksum calculation +dcache - enable or disable data cache +echo - echo args to console +erase - erase FLASH memory +flinfo - print FLASH memory information +go - start application at address 'addr' +help - print online help +icache - enable or disable instruction cache +iminfo - print header information for application image +loadb - load binary file over serial line (kermit mode) +loads - load S-Record file over serial line +loop - infinite loop on address range +md - memory display +mm - memory modify (auto-incrementing) +mtest - simple RAM test +mw - memory write (fill) +nm - memory modify (constant address) +printenv- print environment variables +protect - enable or disable FLASH write protection +rarpboot- boot image via network using RARP/TFTP protocol +reset - Perform RESET of the CPU +run - run commands in an environment variable +saveenv - save environment variables to persistent storage +setenv - set environment variables +source - run script from memory +tftpboot- boot image via network using TFTP protocol + and env variables ipaddr and serverip +version - print monitor version +? - alias for 'help' + + +x.x.x CONFIG_CONS_INDEX 2 + +**** NOT TESTED **** + +x.x Flash Driver Operation + + +Boot 1.1.1 (Nov 20 2001 - 15:55:32) + +CPU: MPC8245 Revision 16.20 at 250 MHz: 16 kB I-Cache 16 kB D-Cache +Board: MUSENKI Local Bus at 100 MHz +DRAM: 32 MB +FLASH: 4 MB +*** Warning - bad CRC, using default environment + +In: serial +Out: serial +Err: serial +Hit any key to stop autoboot: 0 +=> +=> md ff800000 +ff800000: 46989bf8 626f6f74 636d643d 626f6f74 F...bootcmd=boot +ff800010: 6d204646 38323030 30300062 6f6f7464 m FF820000.bootd +ff800020: 656c6179 3d350062 61756472 6174653d elay=5.baudrate= +ff800030: 39363030 00636c6f 636b735f 696e5f6d 9600.clocks_in_m +ff800040: 687a3d31 00737464 696e3d73 65726961 hz=1.stdin=seria +ff800050: 6c007374 646f7574 3d736572 69616c00 l.stdout=serial. +ff800060: 73746465 72723d73 65726961 6c006970 stderr=serial.ip +ff800070: 61646472 3d313932 2e313638 2e302e34 addr=192.168.0.4 +ff800080: 32007365 72766572 69703d31 39322e31 2.serverip=192.1 +ff800090: 36382e30 2e380000 00000000 00000000 68.0.8.......... +ff8000a0: 00000000 00000000 00000000 00000000 ................ +ff8000b0: 00000000 00000000 00000000 00000000 ................ +ff8000c0: 00000000 00000000 00000000 00000000 ................ +ff8000d0: 00000000 00000000 00000000 00000000 ................ +ff8000e0: 00000000 00000000 00000000 00000000 ................ +ff8000f0: 00000000 00000000 00000000 00000000 ................ +=> protect off ff800000 ff81ffff +Un-Protected 1 sectors +=> erase ff800000 ff81ffff +Erase Flash from 0xff800000 to 0xff81ffff + done +Erased 1 sectors +=> md ff800000 +ff800000: ffffffff ffffffff ffffffff ffffffff ................ +ff800010: ffffffff ffffffff ffffffff ffffffff ................ +ff800020: ffffffff ffffffff ffffffff ffffffff ................ +ff800030: ffffffff ffffffff ffffffff ffffffff ................ +ff800040: ffffffff ffffffff ffffffff ffffffff ................ +ff800050: ffffffff ffffffff ffffffff ffffffff ................ +ff800060: ffffffff ffffffff ffffffff ffffffff ................ +ff800070: ffffffff ffffffff ffffffff ffffffff ................ +ff800080: ffffffff ffffffff ffffffff ffffffff ................ +ff800090: ffffffff ffffffff ffffffff ffffffff ................ +ff8000a0: ffffffff ffffffff ffffffff ffffffff ................ +ff8000b0: ffffffff ffffffff ffffffff ffffffff ................ +ff8000c0: ffffffff ffffffff ffffffff ffffffff ................ +ff8000d0: ffffffff ffffffff ffffffff ffffffff ................ +ff8000e0: ffffffff ffffffff ffffffff ffffffff ................ +ff8000f0: ffffffff ffffffff ffffffff ffffffff ................ + +x.x.x Information + + +U-Boot 1.1.1 (Nov 20 2001 - 15:55:32) + +CPU: MPC8245 Revision 16.20 at 250 MHz: 16 kB I-Cache 16 kB D-Cache +Board: MUSENKI Local Bus at 100 MHz +DRAM: 32 MB +FLASH: 4 MB +*** Warning - bad CRC, using default environment + +In: serial +Out: serial +Err: serial +Hit any key to stop autoboot: 0 +=> flinfo + +Bank # 1: Intel 28F320J3A (32Mbit = 128K x 32) + Size: 4 MB in 32 Sectors + Sector Start Addresses: + FF800000 (RO) FF820000 FF840000 FF860000 FF880000 + FF8A0000 FF8C0000 FF8E0000 FF900000 FF920000 + FF940000 FF960000 FF980000 FF9A0000 FF9C0000 + FF9E0000 FFA00000 FFA20000 FFA40000 FFA60000 + FFA80000 FFAA0000 FFAC0000 FFAE0000 FFB00000 + FFB20000 FFB40000 FFB60000 FFB80000 FFBA0000 + FFBC0000 FFBE0000 + +Bank # 2: missing or unknown FLASH type +=> + + +x.x.x Flash Programming + + +U-Boot 1.1.1 (Nov 20 2001 - 15:55:32) + +CPU: MPC8245 Revision 16.20 at 250 MHz: 16 kB I-Cache 16 kB D-Cache +Board: MUSENKI Local Bus at 100 MHz +DRAM: 32 MB +FLASH: 4 MB + +In: serial +Out: serial +Err: serial +Hit any key to stop autoboot: 0 +=> +=> +=> +=> protect off ff800000 ff81ffff +Un-Protected 1 sectors +=> cp 0 ff800000 20 +Copy to Flash... done +=> md ff800000 +ff800000: 37ce33ec 33cc334c 33c031cc 33cc35cc 7.3.3.3L3.1.3.5. +ff800010: 33ec13ce 30ccb3ec b3c833c4 31c836cc 3...0.....3.1.6. +ff800020: 33cc3b9d 31ec33ee 13ecf3cc 338833ec 3.;.1.3.....3.3. +ff800030: 234c33ec 32cc22cc 33883bdc 534433cc #L3.2.".3.;.SD3. +ff800040: 33cc30c8 31cc32ec 338c33cc 330c33dc 3.0.1.2.3.3.3.3. +ff800050: 33cc13dc 334c534c b1c433d8 128c13cc 3...3LSL..3..... +ff800060: 37ec36cd 33dc33cc bbc9f7e8 bbcc77cc 7.6.3.3.......w. +ff800070: 314c0adc 139c30ed 33cc334c 33c833ec 1L....0.3.3L3.3. +ff800080: ffffffff ffffffff ffffffff ffffffff ................ +ff800090: ffffffff ffffffff ffffffff ffffffff ................ +ff8000a0: ffffffff ffffffff ffffffff ffffffff ................ +ff8000b0: ffffffff ffffffff ffffffff ffffffff ................ +ff8000c0: ffffffff ffffffff ffffffff ffffffff ................ +ff8000d0: ffffffff ffffffff ffffffff ffffffff ................ +ff8000e0: ffffffff ffffffff ffffffff ffffffff ................ +ff8000f0: ffffffff ffffffff ffffffff ffffffff ................ + + +x.x.x Storage of environment variables in flash + + +U-Boot 1.1.1 (Nov 20 2001 - 15:55:32) + +CPU: MPC8245 Revision 16.20 at 250 MHz: 16 kB I-Cache 16 kB D-Cache +Board: MUSENKI Local Bus at 100 MHz +DRAM: 32 MB +FLASH: 4 MB +In: serial +Out: serial +Err: serial +Hit any key to stop autoboot: 0 +=> printenv +bootcmd=bootm FF820000 +bootdelay=5 +baudrate=9600 +clocks_in_mhz=1 +stdin=serial +stdout=serial +stderr=serial + +Environment size: 106/16380 bytes +=> setenv myvar 1234 +=> saveenv +Un-Protected 1 sectors +Erasing Flash... + done +Erased 1 sectors +Saving Environment to Flash... +Protected 1 sectors +=> reset + + +U-Boot 1.1.1 (Nov 20 2001 - 15:55:32) + +CPU: MPC8245 Revision 16.20 at 250 MHz: 16 kB I-Cache 16 kB D-Cache +Board: MUSENKI Local Bus at 100 MHz +DRAM: 32 MB +FLASH: 4 MB +In: serial +Out: serial +Err: serial +Hit any key to stop autoboot: 0 +=> printenv +bootcmd=bootm FF820000 +bootdelay=5 +baudrate=9600 +clocks_in_mhz=1 +myvar=1234 +stdin=serial +stdout=serial +stderr=serial + +Environment size: 117/16380 bytes + +x.x Image Download and run over serial port + + +U-Boot 1.1.1 (Nov 20 2001 - 15:55:32) + +CPU: MPC8245 Revision 16.20 at 250 MHz: 16 kB I-Cache 16 kB D-Cache +Board: MUSENKI Local Bus at 100 MHz +DRAM: 32 MB +FLASH: 4 MB +In: serial +Out: serial +Err: serial +Hit any key to stop autoboot: 0 +=> loads +## Ready for S-Record download ... + +## First Load Addr = 0x00040000 +## Last Load Addr = 0x00050177 +## Total Size = 0x00010178 = 65912 Bytes +## Start Addr = 0x00040004 +=> go 40004 +## Starting application at 0x00040004 ... +Hello World +argc = 1 +argv[0] = "40004" +argv[1] = "<NULL>" +Hit any key to exit ... + +## Application terminated, rc = 0x0 + + +x.x Image download and run over ethernet interface + +untested (not working yet, actually) diff --git a/qemu/roms/u-boot/board/musenki/flash.c b/qemu/roms/u-boot/board/musenki/flash.c new file mode 100644 index 000000000..080ec7fc3 --- /dev/null +++ b/qemu/roms/u-boot/board/musenki/flash.c @@ -0,0 +1,496 @@ +/* + * (C) Copyright 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <mpc824x.h> + +#if defined(CONFIG_ENV_IS_IN_FLASH) +# ifndef CONFIG_ENV_ADDR +# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) +# endif +# ifndef CONFIG_ENV_SIZE +# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE +# endif +# ifndef CONFIG_ENV_SECT_SIZE +# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE +# endif +#endif + +/*---------------------------------------------------------------------*/ +#undef DEBUG_FLASH + +#ifdef DEBUG_FLASH +#define DEBUGF(fmt,args...) printf(fmt ,##args) +#else +#define DEBUGF(fmt,args...) +#endif +/*---------------------------------------------------------------------*/ + +flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_char *addr, flash_info_t *info); +static int write_data (flash_info_t *info, uchar *dest, uchar data); +static void flash_get_offsets (ulong base, flash_info_t *info); + + +/* + * don't ask. its stupid, but more than one soul has had to live with this mistake + * "swaptab[i]" is the value of "i" with the bits reversed. + */ + +#define MUSENKI_BROKEN_FLASH 1 + +#ifdef MUSENKI_BROKEN_FLASH +unsigned char swaptab[256] = { + 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, + 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, + 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, + 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, + 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, + 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, + 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, + 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, + 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, + 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, + 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, + 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, + 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, + 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, + 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, + 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, + 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, + 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, + 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, + 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, + 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, + 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, + 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, + 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, + 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, + 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, + 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, + 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, + 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, + 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, + 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, + 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, +}; + +#define BS(b) (swaptab[b]) + +#else + +#define BS(b) (b) + +#endif + +#define BYTEME(x) ((x) & 0xFF) + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + unsigned long size_b0, size_b1; + int i; + + /* Init: no FLASHes known */ + for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + /* Static FLASH Bank configuration here - FIXME XXX */ + + DEBUGF("\n## Get flash bank 1 size @ 0x%08x\n",CONFIG_SYS_FLASH_BASE0_PRELIM); + + size_b0 = flash_get_size((vu_char *)CONFIG_SYS_FLASH_BASE0_PRELIM, &flash_info[0]); + + if (flash_info[0].flash_id == FLASH_UNKNOWN) { + printf ("## Unknown FLASH on Bank 0: " + "ID 0x%lx, Size = 0x%08lx = %ld MB\n", + flash_info[0].flash_id, + size_b0, size_b0<<20); + } + + DEBUGF("## Get flash bank 2 size @ 0x%08x\n",CONFIG_SYS_FLASH_BASE1_PRELIM); + size_b1 = flash_get_size((vu_char *)CONFIG_SYS_FLASH_BASE1_PRELIM, &flash_info[1]); + + DEBUGF("## Prelim. Flash bank sizes: %08lx + 0x%08lx\n",size_b0,size_b1); + + flash_get_offsets (CONFIG_SYS_FLASH_BASE, &flash_info[0]); + + flash_info[0].size = size_b0; + +#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE + DEBUGF("protect monitor %x @ %x\n", CONFIG_SYS_MONITOR_BASE, monitor_flash_len); + /* monitor protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CONFIG_SYS_MONITOR_BASE, + CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, + &flash_info[0]); +#endif + +#ifdef CONFIG_ENV_IS_IN_FLASH + /* ENV protection ON by default */ + DEBUGF("protect environtment %x @ %x\n", CONFIG_ENV_ADDR, CONFIG_ENV_SECT_SIZE); + flash_protect(FLAG_PROTECT_SET, + CONFIG_ENV_ADDR, + CONFIG_ENV_ADDR+CONFIG_ENV_SECT_SIZE-1, + &flash_info[0]); +#endif + + if (size_b1) { + flash_info[1].size = size_b1; + flash_get_offsets (CONFIG_SYS_FLASH_BASE + size_b0, &flash_info[1]); + +#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE + /* monitor protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CONFIG_SYS_MONITOR_BASE, + CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, + &flash_info[1]); +#endif + +#ifdef CONFIG_ENV_IS_IN_FLASH + /* ENV protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CONFIG_ENV_ADDR, + CONFIG_ENV_ADDR+CONFIG_ENV_SECT_SIZE-1, + &flash_info[1]); +#endif + } else { + flash_info[1].flash_id = FLASH_UNKNOWN; + flash_info[1].sector_count = -1; + flash_info[1].size = 0; + } + + DEBUGF("## Final Flash bank sizes: %08lx + 0x%08lx\n",size_b0,size_b1); + + return (size_b0 + size_b1); +} + +/*----------------------------------------------------------------------- + */ +static void flash_get_offsets (ulong base, flash_info_t *info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) { + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_INTEL: + for (i = 0; i < info->sector_count; i++) { + info->start[i] = base; + base += 0x00020000; /* 128k per bank */ + } + return; + + default: + printf ("Don't know sector ofsets for flash type 0x%lx\n", info->flash_id); + return; + } +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info (flash_info_t *info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_AMD: printf ("AMD "); break; + case FLASH_MAN_FUJ: printf ("Fujitsu "); break; + case FLASH_MAN_SST: printf ("SST "); break; + case FLASH_MAN_STM: printf ("STM "); break; + case FLASH_MAN_INTEL: printf ("Intel "); break; + case FLASH_MAN_MT: printf ("MT "); break; + default: printf ("Unknown Vendor "); break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_28F320J3A: printf ("28F320J3A (32Mbit = 128K x 32)\n"); + break; + case FLASH_28F640J3A: printf ("28F640J3A (64Mbit = 128K x 64)\n"); + break; + case FLASH_28F128J3A: printf ("28F128J3A (128Mbit = 128K x 128)\n"); + break; + default: printf ("Unknown Chip Type\n"); + break; + } + + if (info->size >= (1 << 20)) { + i = 20; + } else { + i = 10; + } + printf (" Size: %ld %cB in %d Sectors\n", + info->size >> i, + (i == 20) ? 'M' : 'k', + info->sector_count); + + printf (" Sector Start Addresses:"); + for (i=0; i<info->sector_count; ++i) { + if ((i % 5) == 0) + printf ("\n "); + printf (" %08lX%s", + info->start[i], + info->protect[i] ? " (RO)" : " " + ); + } + printf ("\n"); + return; +} + +/*----------------------------------------------------------------------- + */ + + +/*----------------------------------------------------------------------- + */ + +/* + * The following code cannot be run from FLASH! + */ +static ulong flash_get_size (vu_char *addr, flash_info_t *info) +{ + vu_char manuf, device; + + addr[0] = BS(0x90); + manuf = BS(addr[0]); + DEBUGF("Manuf. ID @ 0x%08lx: 0x%08x\n", (vu_char *)addr, manuf); + + switch (manuf) { + case BYTEME(AMD_MANUFACT): + info->flash_id = FLASH_MAN_AMD; + break; + case BYTEME(FUJ_MANUFACT): + info->flash_id = FLASH_MAN_FUJ; + break; + case BYTEME(SST_MANUFACT): + info->flash_id = FLASH_MAN_SST; + break; + case BYTEME(STM_MANUFACT): + info->flash_id = FLASH_MAN_STM; + break; + case BYTEME(INTEL_MANUFACT): + info->flash_id = FLASH_MAN_INTEL; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + addr[0] = BS(0xFF); /* restore read mode, (yes, BS is a NOP) */ + return 0; /* no or unknown flash */ + } + + device = BS(addr[2]); /* device ID */ + + DEBUGF("Device ID @ 0x%08x: 0x%08x\n", (&addr[1]), device); + + switch (device) { + case BYTEME(INTEL_ID_28F320J3A): + info->flash_id += FLASH_28F320J3A; + info->sector_count = 32; + info->size = 0x00400000; + break; /* => 4 MB */ + + case BYTEME(INTEL_ID_28F640J3A): + info->flash_id += FLASH_28F640J3A; + info->sector_count = 64; + info->size = 0x00800000; + break; /* => 8 MB */ + + case BYTEME(INTEL_ID_28F128J3A): + info->flash_id += FLASH_28F128J3A; + info->sector_count = 128; + info->size = 0x01000000; + break; /* => 16 MB */ + + default: + info->flash_id = FLASH_UNKNOWN; + addr[0] = BS(0xFF); /* restore read mode (yes, a NOP) */ + return 0; /* => no or unknown flash */ + + } + + if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { + printf ("** ERROR: sector count %d > max (%d) **\n", + info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); + info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; + } + + addr[0] = BS(0xFF); /* restore read mode */ + + return (info->size); +} + + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ + int flag, prot, sect; + ulong start, now, last; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) { + printf ("- missing\n"); + } else { + printf ("- no sectors to erase\n"); + } + return 1; + } + + if ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL) { + printf ("Can erase only Intel flash types - aborted\n"); + return 1; + } + + prot = 0; + for (sect=s_first; sect<=s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) { + printf ("- Warning: %d protected sectors will not be erased!\n", prot); + } else { + printf ("\n"); + } + + start = get_timer (0); + last = start; + /* Start erase on unprotected sectors */ + for (sect = s_first; sect<=s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + vu_char *addr = (vu_char *)(info->start[sect]); + unsigned long status; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + *addr = BS(0x50); /* clear status register */ + *addr = BS(0x20); /* erase setup */ + *addr = BS(0xD0); /* erase confirm */ + + /* re-enable interrupts if necessary */ + if (flag) { + enable_interrupts(); + } + + /* wait at least 80us - let's wait 1 ms */ + udelay (1000); + + while (((status = BS(*addr)) & BYTEME(0x00800080)) != BYTEME(0x00800080)) { + if ((now=get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + *addr = BS(0xB0); /* suspend erase */ + *addr = BS(0xFF); /* reset to read mode */ + return 1; + } + + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc ('.'); + last = now; + } + } + + *addr = BS(0xFF); /* reset to read mode */ + } + } + printf (" done\n"); + return 0; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + * 4 - Flash not identified + */ + +#define FLASH_WIDTH 1 /* flash bus width in bytes */ + +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ + uchar *wp = (uchar *)addr; + int rc; + + if (info->flash_id == FLASH_UNKNOWN) { + return 4; + } + + while (cnt > 0) { + if ((rc = write_data(info, wp, *src)) != 0) { + return rc; + } + wp++; + src++; + cnt--; + } + + return cnt; +} + +/*----------------------------------------------------------------------- + * Write a word to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_data (flash_info_t *info, uchar *dest, uchar data) +{ + vu_char *addr = (vu_char *)dest; + ulong status; + ulong start; + int flag; + + /* Check if Flash is (sufficiently) erased */ + if ((BS(*addr) & data) != data) { + return 2; + } + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + *addr = BS(0x40); /* write setup */ + *addr = data; + + /* re-enable interrupts if necessary */ + if (flag) { + enable_interrupts(); + } + + start = get_timer (0); + + while (((status = BS(*addr)) & BYTEME(0x00800080)) != BYTEME(0x00800080)) { + if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { + *addr = BS(0xFF); /* restore read mode */ + return 1; + } + } + + *addr = BS(0xFF); /* restore read mode */ + + return 0; +} + +/*----------------------------------------------------------------------- + */ diff --git a/qemu/roms/u-boot/board/musenki/musenki.c b/qemu/roms/u-boot/board/musenki/musenki.c new file mode 100644 index 000000000..aa92fc428 --- /dev/null +++ b/qemu/roms/u-boot/board/musenki/musenki.c @@ -0,0 +1,94 @@ +/* + * (C) Copyright 2001 + * Rob Taylor, Flying Pig Systems. robt@flyingpig.com. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <mpc824x.h> +#include <pci.h> +#include <netdev.h> + +int checkboard (void) +{ + ulong busfreq = get_bus_freq(0); + char buf[32]; + + printf("Board: MUSENKI Local Bus at %s MHz\n", strmhz(buf, busfreq)); + return 0; + +} + +#if 0 /* NOT USED */ +int checkflash (void) +{ + /* TODO: XXX XXX XXX */ + printf ("## Test not implemented yet ##\n"); + + return (0); +} +#endif + +phys_size_t initdram (int board_type) +{ + long size; + long new_bank0_end; + long mear1; + long emear1; + + size = get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MAX_RAM_SIZE); + + new_bank0_end = size - 1; + mear1 = mpc824x_mpc107_getreg(MEAR1); + emear1 = mpc824x_mpc107_getreg(EMEAR1); + mear1 = (mear1 & 0xFFFFFF00) | + ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT); + emear1 = (emear1 & 0xFFFFFF00) | + ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT); + mpc824x_mpc107_setreg(MEAR1, mear1); + mpc824x_mpc107_setreg(EMEAR1, emear1); + + return (size); +} + +/* + * Initialize PCI Devices + */ +#ifndef CONFIG_PCI_PNP +static struct pci_config_table pci_sandpoint_config_table[] = { +#if 0 + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + 0x0, 0x0, 0x0, /* unknown eth0 divice */ + pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, + PCI_ENET0_MEMADDR, + PCI_COMMAND_IO | + PCI_COMMAND_MEMORY | + PCI_COMMAND_MASTER }}, + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + 0x0, 0x0, 0x0, /* unknown eth1 device */ + pci_cfgfunc_config_device, { PCI_ENET1_IOADDR, + PCI_ENET1_MEMADDR, + PCI_COMMAND_IO | + PCI_COMMAND_MEMORY | + PCI_COMMAND_MASTER }}, +#endif + { } +}; +#endif + +struct pci_controller hose = { +#ifndef CONFIG_PCI_PNP + config_table: pci_sandpoint_config_table, +#endif +}; + +void pci_init_board(void) +{ + pci_mpc824x_init(&hose); +} + +int board_eth_init(bd_t *bis) +{ + return pci_eth_init(bis); +} |