diff options
Diffstat (limited to 'board/quantum/quantum.c')
-rw-r--r-- | board/quantum/quantum.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/board/quantum/quantum.c b/board/quantum/quantum.c deleted file mode 100644 index 17e3fc2679..0000000000 --- a/board/quantum/quantum.c +++ /dev/null @@ -1,243 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - - -#include <common.h> -#include <mpc8xx.h> -#include "fpga.h" - -/* ------------------------------------------------------------------------- */ - -static long int dram_size (long int, long int *, long int); -unsigned long flash_init (void); - -/* ------------------------------------------------------------------------- */ - -#define _NOT_USED_ 0xFFFFCC25 - -const uint sdram_table[] = { - /* - * Single Read. (Offset 00h in UPMA RAM) - */ - 0x0F03CC04, 0x00ACCC24, 0x1FF74C20, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* - * Burst Read. (Offset 08h in UPMA RAM) - */ - 0x0F03CC04, 0x00ACCC24, 0x00FFCC20, 0x00FFCC20, - 0x01FFCC20, 0x1FF74C20, _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) - */ - 0x0F03CC02, 0x00AC0C24, 0x1FF74C25, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* - * Burst Write. (Offset 20h in UPMA RAM) - */ - 0x0F03CC00, 0x00AC0C20, 0x00FFFC20, 0x00FFFC22, - 0x01FFFC24, 0x1FF74C25, _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) - * (Initialization code at 0x36) - */ - 0x0FF0CC24, 0xFFFFCC24, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, 0xEFFB8C34, 0x0FF74C34, - 0x0FFACCB4, 0x0FF5CC34, 0x0FFCC34, 0x0FFFCCB4, - - /* - * Exception. (Offset 3Ch in UPMA RAM) - */ - 0x0FEA8C34, 0x1FB54C34, 0xFFFFCC34, _NOT_USED_ -}; - -/* ------------------------------------------------------------------------- */ - - -/* - * Check Board Identity: - */ - -int checkboard (void) -{ - char buf[64]; - int i; - int l = getenv_f("serial#", buf, sizeof(buf)); - - puts ("Board QUANTUM, Serial No: "); - - for (i = 0; i < l; ++i) { - if (buf[i] == ' ') - break; - putc (buf[i]); - } - putc ('\n'); - return (0); /* success */ -} - -/* ------------------------------------------------------------------------- */ - -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 size9; - - upmconfig (UPMA, (uint *) sdram_table, - sizeof (sdram_table) / sizeof (uint)); - - /* Refresh clock prescalar */ - memctl->memc_mptpr = CONFIG_SYS_MPTPR; - - memctl->memc_mar = 0x00000088; - - /* 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_9COL & (~(MAMR_PTAE)); /* no refresh yet */ - - udelay (200); - - /* perform SDRAM initializsation sequence */ - - memctl->memc_mcr = 0x80002136; /* SDRAM bank 0 */ - udelay (1); - - memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ - - udelay (1000); - - /* Check Bank 0 Memory Size, - * 9 column mode - */ - size9 = dram_size (CONFIG_SYS_MAMR_9COL, (long *) SDRAM_BASE_PRELIM, - SDRAM_MAX_SIZE); - /* - * Final mapping: - */ - memctl->memc_or1 = ((-size9) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM; - udelay (1000); - - return (size9); -} - -/* ------------------------------------------------------------------------- */ - -/* - * 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; - volatile ulong *addr; - ulong cnt, val, size; - ulong save[32]; /* to make test non-destructive */ - unsigned char i = 0; - - memctl->memc_mamr = mamr_value; - - for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { - addr = (volatile ulong *)(base + cnt); /* pointer arith! */ - - save[i++] = *addr; - *addr = ~cnt; - } - - /* write 0 to base address */ - addr = (volatile ulong *)base; - save[i] = *addr; - *addr = 0; - - /* check at base address */ - if ((val = *addr) != 0) { - /* Restore the original data before leaving the function. - */ - *addr = save[i]; - for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) { - addr = (volatile ulong *) base + cnt; - *addr = save[--i]; - } - return (0); - } - - for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) { - addr = (volatile ulong *)(base + cnt); /* pointer arith! */ - - val = *addr; - *addr = save[--i]; - - if (val != (~cnt)) { - size = cnt * sizeof (long); - /* Restore the original data before returning - */ - for (cnt <<= 1; cnt <= maxsize / sizeof (long); - cnt <<= 1) { - addr = (volatile ulong *) base + cnt; - *addr = save[--i]; - } - return (size); - } - } - return (maxsize); -} - -/* - * Miscellaneous intialization - */ -int misc_init_r (void) -{ - char *fpga_data_str = getenv ("fpgadata"); - char *fpga_size_str = getenv ("fpgasize"); - void *fpga_data; - int fpga_size; - int status; - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - int flash_size; - - /* Remap FLASH according to real size */ - flash_size = flash_init (); - memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH | (-flash_size & 0xFFFF8000); - memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V; - - if (fpga_data_str && fpga_size_str) { - fpga_data = (void *) simple_strtoul (fpga_data_str, NULL, 16); - fpga_size = simple_strtoul (fpga_size_str, NULL, 10); - - status = fpga_boot (fpga_data, fpga_size); - if (status != 0) { - printf ("\nFPGA: Booting failed "); - switch (status) { - case ERROR_FPGA_PRG_INIT_LOW: - printf ("(Timeout: INIT not low after asserting PROGRAM*)\n "); - break; - case ERROR_FPGA_PRG_INIT_HIGH: - printf ("(Timeout: INIT not high after deasserting PROGRAM*)\n "); - break; - case ERROR_FPGA_PRG_DONE: - printf ("(Timeout: DONE not high after programming FPGA)\n "); - break; - } - } - } - return 0; -} |