From 8bde7f776c77b343aca29b8c7b58464d915ac245 Mon Sep 17 00:00:00 2001 From: wdenk Date: Fri, 27 Jun 2003 21:31:46 +0000 Subject: * Code cleanup: - remove trailing white space, trailing empty lines, C++ comments, etc. - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c) * Patches by Kenneth Johansson, 25 Jun 2003: - major rework of command structure (work done mostly by Michal Cendrowski and Joakim Kristiansen) --- board/emk/top860/top860.c | 232 ++++++++++++++++++++++------------------------ 1 file changed, 111 insertions(+), 121 deletions(-) (limited to 'board/emk/top860/top860.c') diff --git a/board/emk/top860/top860.c b/board/emk/top860/top860.c index b99bf0e92..d13be98e9 100644 --- a/board/emk/top860/top860.c +++ b/board/emk/top860/top860.c @@ -35,47 +35,47 @@ #include #include -/***************************************************************************** - * UPM table for 60ns EDO RAM at 25 MHz bus/external clock - *****************************************************************************/ +/***************************************************************************** + * UPM table for 60ns EDO RAM at 25 MHz bus/external clock + *****************************************************************************/ static const uint edo_60ns_25MHz_tbl[] = { - -/* single read (offset 0x00 in upm ram) */ - 0x0ff3fc04,0x08f3fc04,0x00f3fc04,0x00f3fc00, - 0x33f7fc07,0xfffffc05,0xfffffc05,0xfffffc05, -/* burst read (offset 0x08 in upm ram) */ - 0x0ff3fc04,0x08f3fc04,0x00f3fc0c,0x0ff3fc40, - 0x0cf3fc04,0x03f3fc48,0x0cf3fc04,0x03f3fc48, - 0x0cf3fc04,0x03f3fc00,0x3ff7fc07,0xfffffc05, - 0xfffffc05,0xfffffc05,0xfffffc05,0xfffffc05, -/* single write (offset 0x18 in upm ram) */ - 0x0ffffc04,0x08fffc04,0x30fffc00,0xf1fffc07, - 0xfffffc05,0xfffffc05,0xfffffc05,0xfffffc05, -/* burst write (offset 0x20 in upm ram) */ - 0x0ffffc04,0x08fffc00,0x00fffc04,0x03fffc4c, - 0x00fffc00,0x07fffc4c,0x00fffc00,0x0ffffc4c, - 0x00fffc00,0x3ffffc07,0xfffffc05,0xfffffc05, - 0xfffffc05,0xfffffc05,0xfffffc05,0xfffffc05, -/* refresh (offset 0x30 in upm ram) */ - 0xc0fffc04,0x07fffc04,0x0ffffc04,0x0ffffc04, - 0xfffffc05,0xfffffc05,0xfffffc05,0xfffffc05, - 0xfffffc05,0xfffffc05,0xfffffc05,0xfffffc05, -/* exception (offset 0x3C in upm ram) */ - 0xfffffc07,0xfffffc03,0xfffffc05,0xfffffc05, + +/* single read (offset 0x00 in upm ram) */ + 0x0ff3fc04,0x08f3fc04,0x00f3fc04,0x00f3fc00, + 0x33f7fc07,0xfffffc05,0xfffffc05,0xfffffc05, +/* burst read (offset 0x08 in upm ram) */ + 0x0ff3fc04,0x08f3fc04,0x00f3fc0c,0x0ff3fc40, + 0x0cf3fc04,0x03f3fc48,0x0cf3fc04,0x03f3fc48, + 0x0cf3fc04,0x03f3fc00,0x3ff7fc07,0xfffffc05, + 0xfffffc05,0xfffffc05,0xfffffc05,0xfffffc05, +/* single write (offset 0x18 in upm ram) */ + 0x0ffffc04,0x08fffc04,0x30fffc00,0xf1fffc07, + 0xfffffc05,0xfffffc05,0xfffffc05,0xfffffc05, +/* burst write (offset 0x20 in upm ram) */ + 0x0ffffc04,0x08fffc00,0x00fffc04,0x03fffc4c, + 0x00fffc00,0x07fffc4c,0x00fffc00,0x0ffffc4c, + 0x00fffc00,0x3ffffc07,0xfffffc05,0xfffffc05, + 0xfffffc05,0xfffffc05,0xfffffc05,0xfffffc05, +/* refresh (offset 0x30 in upm ram) */ + 0xc0fffc04,0x07fffc04,0x0ffffc04,0x0ffffc04, + 0xfffffc05,0xfffffc05,0xfffffc05,0xfffffc05, + 0xfffffc05,0xfffffc05,0xfffffc05,0xfffffc05, +/* exception (offset 0x3C in upm ram) */ + 0xfffffc07,0xfffffc03,0xfffffc05,0xfffffc05, }; -/***************************************************************************** - * Print Board Identity - *****************************************************************************/ +/***************************************************************************** + * Print Board Identity + *****************************************************************************/ int checkboard (void) { puts ("Board:"CONFIG_IDENT_STRING"\n"); return (0); } -/***************************************************************************** - * Initialize DRAM controller - *****************************************************************************/ +/***************************************************************************** + * Initialize DRAM controller + *****************************************************************************/ long int initdram (int board_type) { volatile immap_t *immap = (immap_t *) CFG_IMMR; @@ -85,103 +85,93 @@ long int initdram (int board_type) * Only initialize memory controller when running from FLASH. * When running from RAM, don't touch it. */ - if ((ulong) initdram & 0xff000000) - { - volatile uint *addr1, *addr2; - uint i, j; + if ((ulong) initdram & 0xff000000) { + volatile uint *addr1, *addr2; + uint i, j; - upmconfig (UPMA, (uint *) edo_60ns_25MHz_tbl, - sizeof (edo_60ns_25MHz_tbl) / sizeof (uint)); + upmconfig (UPMA, (uint *) edo_60ns_25MHz_tbl, + sizeof (edo_60ns_25MHz_tbl) / sizeof (uint)); memctl->memc_mptpr = 0x0200; memctl->memc_mamr = 0x0ca20330; memctl->memc_or2 = -CFG_DRAM_MAX | OR_CSNT_SAM; memctl->memc_br2 = CFG_DRAM_BASE | BR_MS_UPMA | BR_V; - /* - * Do 8 read accesses to DRAM - */ - addr1 = (volatile uint*) 0; - addr2 = (volatile uint*) 0x00400000; - for (i=0, j=0; i<8; i++) - j = addr1[0]; - - /* - * Now check whether we got 4MB or 16MB populated - */ - addr1[0] = 0x12345678; - addr1[1] = 0x9abcdef0; - addr2[0] = 0xfeedc0de; - addr2[1] = 0x47110815; - if (addr1[0] == 0xfeedc0de && addr1[1] == 0x47110815) - { - /* only 4MB populated */ - memctl->memc_or2 = -(CFG_DRAM_MAX/4) | OR_CSNT_SAM; - } - } - + /* + * Do 8 read accesses to DRAM + */ + addr1 = (volatile uint *) 0; + addr2 = (volatile uint *) 0x00400000; + for (i = 0, j = 0; i < 8; i++) + j = addr1[0]; + + /* + * Now check whether we got 4MB or 16MB populated + */ + addr1[0] = 0x12345678; + addr1[1] = 0x9abcdef0; + addr2[0] = 0xfeedc0de; + addr2[1] = 0x47110815; + if (addr1[0] == 0xfeedc0de && addr1[1] == 0x47110815) { + /* only 4MB populated */ + memctl->memc_or2 = -(CFG_DRAM_MAX / 4) | OR_CSNT_SAM; + } + } + return -(memctl->memc_or2 & 0xffff0000); } - -/***************************************************************************** - * otherinits after RAM is there and we are relocated to RAM - * note: though this is an int function, nobody cares for the result! - *****************************************************************************/ + +/***************************************************************************** + * otherinits after RAM is there and we are relocated to RAM + * note: though this is an int function, nobody cares for the result! + *****************************************************************************/ int misc_init_r (void) -{ - /* read 'factory' part of EEPROM */ - uchar buf[81]; - uchar *p; - uint length; - uint addr; - uint len; - - /* get length first */ - addr = CFG_FACT_OFFSET; - if (eeprom_read (CFG_I2C_FACT_ADDR, addr, buf, 2)) - { -bailout: - printf ("cannot read factory configuration\n"); - printf ("be sure to set ethaddr yourself!\n"); - return 0; +{ + /* read 'factory' part of EEPROM */ + uchar buf[81]; + uchar *p; + uint length; + uint addr; + uint len; + + /* get length first */ + addr = CFG_FACT_OFFSET; + if (eeprom_read (CFG_I2C_FACT_ADDR, addr, buf, 2)) { + bailout: + printf ("cannot read factory configuration\n"); + printf ("be sure to set ethaddr yourself!\n"); + return 0; + } + length = buf[0] + (buf[1] << 8); + addr += 2; + + /* sanity check */ + if (length < 20 || length > CFG_FACT_SIZE - 2) + goto bailout; + + /* read lines */ + while (length > 0) { + /* read one line */ + len = length > 80 ? 80 : length; + if (eeprom_read (CFG_I2C_FACT_ADDR, addr, buf, len)) + goto bailout; + /* mark end of buffer */ + buf[len] = 0; + /* search end of line */ + for (p = buf; *p && *p != 0x0a; p++); + if (!*p) + goto bailout; + *p++ = 0; + /* advance to next line start */ + length -= p - buf; + addr += p - buf; + /*printf ("%s\n", buf); */ + /* search for our specific entry */ + if (!strncmp ((char *) buf, "[RLA/lan/Ethernet] ", 19)) { + setenv ("ethaddr", buf + 19); + } else if (!strncmp ((char *) buf, "[BOARD/SERIAL] ", 15)) { + setenv ("serial#", buf + 15); + } else if (!strncmp ((char *) buf, "[BOARD/TYPE] ", 13)) { + setenv ("board_id", buf + 13); + } } - length = buf[0] + (buf[1]<<8); - addr += 2; - - /* sanity check */ - if (length < 20 || length > CFG_FACT_SIZE-2) - goto bailout; - - /* read lines */ - while (length > 0) - { - /* read one line */ - len = length > 80 ? 80 : length; - if (eeprom_read (CFG_I2C_FACT_ADDR, addr, buf, len)) - goto bailout; - /* mark end of buffer */ - buf[len] = 0; - /* search end of line */ - for (p=buf; *p && *p != 0x0a; p++) ; - if (!*p) - goto bailout; - *p++ = 0; - /* advance to next line start */ - length -= p-buf; - addr += p-buf; - /*printf ("%s\n", buf);*/ - /* search for our specific entry */ - if (!strncmp ((char *)buf, "[RLA/lan/Ethernet] ", 19)) - { - setenv ("ethaddr", buf+19); - } - else if (!strncmp ((char *)buf, "[BOARD/SERIAL] ", 15)) - { - setenv ("serial#", buf+15); - } - else if (!strncmp ((char *)buf, "[BOARD/TYPE] ", 13)) - { - setenv ("board_id", buf+13); - } - } return (0); } - -- cgit v1.2.3