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Diffstat (limited to 'board/RPXClassic/RPXClassic.c')
| -rw-r--r-- | board/RPXClassic/RPXClassic.c | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/board/RPXClassic/RPXClassic.c b/board/RPXClassic/RPXClassic.c deleted file mode 100644 index 15b7232fd7b..00000000000 --- a/board/RPXClassic/RPXClassic.c +++ /dev/null @@ -1,260 +0,0 @@ -/* - * (C) Copyright 2001 - * Stäubli Faverges - <www.staubli.com> - * Pierre AUBERT p.aubert@staubli.com - * U-Boot port on RPXClassic LF (CLLF_BW31) board - * - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <i2c.h> -#include <config.h> -#include <mpc8xx.h> -#include <net.h> - -/* ------------------------------------------------------------------------- */ - -static long int dram_size (long int, long int *, long int); -static unsigned char aschex_to_byte (unsigned char *cp); - -/* ------------------------------------------------------------------------- */ - -#define _NOT_USED_ 0xFFFFCC25 - -const uint sdram_table[] = -{ - /* - * Single Read. (Offset 00h in UPMA RAM) - */ - 0xCFFFCC24, 0x0FFFCC04, 0X0CAFCC04, 0X03AFCC08, - 0x3FBFCC27, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* - * Burst Read. (Offset 08h in UPMA RAM) - */ - 0xCFFFCC24, 0x0FFFCC04, 0x0CAFCC84, 0x03AFCC88, - 0x3FBFCC27, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* - * Single Write. (Offset 18h in UPMA RAM) - */ - 0xCFFFCC24, 0x0FFFCC04, 0x0CFFCC04, 0x03FFCC00, - 0x3FFFCC27, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* - * Burst Write. (Offset 20h in UPMA RAM) - */ - 0xCFFFCC24, 0x0FFFCC04, 0x0CFFCC80, 0x03FFCC8C, - 0x0CFFCC00, 0x33FFCC27, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, - - /* - * Refresh. (Offset 30h in UPMA RAM) - */ - 0xC0FFCC24, 0x03FFCC24, 0x0FFFCC24, 0x0FFFCC24, - 0x3FFFCC27, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* - * Exception. (Offset 3Ch in UPMA RAM) - */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_ -}; - -/* ------------------------------------------------------------------------- */ - - -/* - * Check Board Identity: - */ - -int checkboard (void) -{ - puts ("Board: RPXClassic\n"); - return (0); -} - -/*----------------------------------------------------------------------------- - * board_get_enetaddr -- Read the MAC Address in the I2C EEPROM - *----------------------------------------------------------------------------- - */ -static void board_get_enetaddr(uchar *enet) -{ - int i; - char buff[256], *cp; - - /* Initialize I2C */ - i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); - - /* Read 256 bytes in EEPROM */ - i2c_read (0x54, 0, 1, (uchar *)buff, 128); - i2c_read (0x54, 128, 1, (uchar *)buff + 128, 128); - - /* Retrieve MAC address in buffer (key EA) */ - for (cp = buff;;) { - if (cp[0] == 'E' && cp[1] == 'A') { - cp += 3; - /* Read MAC address */ - for (i = 0; i < 6; i++, cp += 2) { - enet[i] = aschex_to_byte ((unsigned char *)cp); - } - } - /* Scan to the end of the record */ - while ((*cp != '\n') && (*cp != (char)0xff)) { - cp++; - } - /* If the next character is a \n, 0 or ff, we are done. */ - cp++; - if ((*cp == '\n') || (*cp == 0) || (*cp == (char)0xff)) - break; - } - -#ifdef CONFIG_FEC_ENET - /* The MAC address is the same as normal ethernet except the 3rd byte */ - /* (See the E.P. Planet Core Overview manual */ - enet[3] |= 0x80; -#endif - - printf("MAC address = %pM\n", enet); -} - -int misc_init_r(void) -{ - uchar enetaddr[6]; - - if (!eth_getenv_enetaddr("ethaddr", enetaddr)) { - board_get_enetaddr(enetaddr); - eth_setenv_enetaddr("ethaddr", enetaddr); - } - - return 0; -} - -void rpxclassic_init (void) -{ - /* Enable NVRAM */ - *((uchar *) BCSR0) |= BCSR0_ENNVRAM; - -#ifdef CONFIG_FEC_ENET - - /* Validate the fast ethernet tranceiver */ - *((volatile uchar *) BCSR2) &= ~BCSR2_MIICTL; - *((volatile uchar *) BCSR2) &= ~BCSR2_MIIPWRDWN; - *((volatile uchar *) BCSR2) |= BCSR2_MIIRST; - *((volatile uchar *) BCSR2) |= BCSR2_MIIPWRDWN; -#endif - -} - -/* ------------------------------------------------------------------------- */ - -phys_size_t initdram (int board_type) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - long int size10; - - upmconfig (UPMA, (uint *) sdram_table, - sizeof (sdram_table) / sizeof (uint)); - - /* Refresh clock prescalar */ - memctl->memc_mptpr = CONFIG_SYS_MPTPR; - - memctl->memc_mar = 0x00000000; - - /* Map controller banks 1 to the SDRAM bank */ - memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM; - memctl->memc_br1 = CONFIG_SYS_BR1_PRELIM; - - memctl->memc_mamr = CONFIG_SYS_MAMR_10COL & (~(MAMR_PTAE)); /* no refresh yet */ - - udelay (200); - - /* perform SDRAM initializsation sequence */ - - memctl->memc_mcr = 0x80002230; /* SDRAM bank 0 - refresh twice */ - udelay (1); - - memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ - - udelay (1000); - - /* Check Bank 0 Memory Size - * try 10 column mode - */ - - size10 = dram_size (CONFIG_SYS_MAMR_10COL, SDRAM_BASE_PRELIM, - SDRAM_MAX_SIZE); - - return (size10); -} - -/* ------------------------------------------------------------------------- */ - -/* - * Check memory range for valid RAM. A simple memory test determines - * the actually available RAM size between addresses `base' and - * `base + maxsize'. Some (not all) hardware errors are detected: - * - short between address lines - * - short between data lines - */ - -static long int dram_size (long int mamr_value, long int *base, long int maxsize) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - - memctl->memc_mamr = mamr_value; - - return (get_ram_size(base, maxsize)); -} -/*----------------------------------------------------------------------------- - * aschex_to_byte -- - *----------------------------------------------------------------------------- - */ -static unsigned char aschex_to_byte (unsigned char *cp) -{ - u_char byte, c; - - c = *cp++; - - if ((c >= 'A') && (c <= 'F')) { - c -= 'A'; - c += 10; - } else if ((c >= 'a') && (c <= 'f')) { - c -= 'a'; - c += 10; - } else { - c -= '0'; - } - - byte = c * 16; - - c = *cp; - - if ((c >= 'A') && (c <= 'F')) { - c -= 'A'; - c += 10; - } else if ((c >= 'a') && (c <= 'f')) { - c -= 'a'; - c += 10; - } else { - c -= '0'; - } - - byte += c; - - return (byte); -} |