diff options
Diffstat (limited to 'board/snmc/qs860t/qs860t.c')
| -rw-r--r-- | board/snmc/qs860t/qs860t.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/board/snmc/qs860t/qs860t.c b/board/snmc/qs860t/qs860t.c deleted file mode 100644 index 7ff9945..0000000 --- a/board/snmc/qs860t/qs860t.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * (C) Copyright 2003 - * MuLogic B.V. - * - * (C) Copyright 2002 - * Simple Network Magic Corporation, dnevil@snmc.com - * - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/u-boot.h> -#include <commproc.h> -#include "mpc8xx.h" - -/* ------------------------------------------------------------------------- */ - -static long int dram_size (long int, long int *, long int); - -/* ------------------------------------------------------------------------- */ - -const uint sdram_table[] = -{ - /* - * Single Read. (Offset 0 in UPMA RAM) - */ - 0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00, - 0x1FF77C47, 0x1FF77C35, 0xEFEABC34, 0x1FB57C35, - /* - * Burst Read. (Offset 8 in UPMA RAM) - */ - 0x1F07FC04, 0xEEAEFC04, 0x10ADFC04, 0xF0AFFC00, - 0xF0AFFC00, 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C47, - 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04, - 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04, - /* - * Single Write. (Offset 18 in UPMA RAM) - */ - 0x1F27FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, - 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04, - /* - * Burst Write. (Offset 20 in UPMA RAM) - */ - 0x1F07FC04, 0xEEAEBC00, 0x10AD7C00, 0xF0AFFC00, - 0xF0AFFC00, 0xE1BBBC04, 0x1FF77C47, 0xFFFFEC04, - 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04, - 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04, - /* - * Refresh (Offset 30 in UPMA RAM) - */ - 0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, - 0xFFFFFC84, 0xFFFFFC07, 0xFFFFEC04, 0xFFFFEC04, - 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04, - /* - * Exception. (Offset 3c in UPMA RAM) - */ - 0x7FFFFC07, 0xFFFFEC04, 0xFFFFEC04, 0xFFFFEC04 -}; - -/* ------------------------------------------------------------------------- */ - - -/* - * Check Board Identity: - * - * Test ID string (QS860T...) - * - * Always return 1 - */ - -int checkboard (void) -{ - char *s, *e; - char buf[64]; - int i; - - i = getenv_f("serial#", buf, sizeof(buf)); - s = (i>0) ? buf : NULL; - - if (!s || strncmp(s, "QS860T", 6)) { - puts ("### No HW ID - assuming QS860T"); - } else { - for (e=s; *e; ++e) { - if (*e == ' ') - break; - } - - for ( ; s<e; ++s) { - putc (*s); - } - } - putc ('\n'); - - return (0); -} - -/* ------------------------------------------------------------------------- */ - -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 size; - - upmconfig(UPMB, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); - - /* - * Prescaler for refresh - */ - memctl->memc_mptpr = 0x0400; - - /* - * Map controller bank 2 to the SDRAM address - */ - memctl->memc_or2 = CONFIG_SYS_OR2; - memctl->memc_br2 = CONFIG_SYS_BR2; - udelay(200); - - /* perform SDRAM initialization sequence */ - memctl->memc_mbmr = CONFIG_SYS_16M_MBMR; - udelay(100); - - memctl->memc_mar = 0x00000088; - memctl->memc_mcr = 0x80804105; /* run precharge pattern */ - udelay(1); - - /* Run two refresh cycles on SDRAM */ - memctl->memc_mbmr = 0x18802118; - memctl->memc_mcr = 0x80804130; - memctl->memc_mbmr = 0x18802114; - memctl->memc_mcr = 0x80804106; - - udelay (1000); - -#if 0 - /* - * Check for 64M SDRAM Memory Size - */ - size = dram_size (CONFIG_SYS_64M_MBMR, (ulong *)SDRAM_BASE, SDRAM_64M_MAX_SIZE); - udelay (1000); - - /* - * Check for 16M SDRAM Memory Size - */ - if (size != SDRAM_64M_MAX_SIZE) { -#endif - size = dram_size (CONFIG_SYS_16M_MBMR, (long *)SDRAM_BASE, SDRAM_16M_MAX_SIZE); - udelay (1000); -#if 0 - } - - memctl->memc_or2 = ((-size) & 0xFFFF0000) | SDRAM_TIMING; -#endif - - - udelay(10000); - - -#if 0 - - /* - * Also, map other memory to correct position - */ - - /* - * Map the 8M Intel Flash device to chip select 1 - */ - memctl->memc_or1 = CONFIG_SYS_OR1; - memctl->memc_br1 = CONFIG_SYS_BR1; - - - /* - * Map 64K NVRAM, Sipex Device, NAND Ctl Reg, and LED Ctl Reg - * to chip select 3 - */ - memctl->memc_or3 = CONFIG_SYS_OR3; - memctl->memc_br3 = CONFIG_SYS_BR3; - - /* - * Map chip selects 4, 5, 6, & 7 for external expansion connector - */ - memctl->memc_or4 = CONFIG_SYS_OR4; - memctl->memc_br4 = CONFIG_SYS_BR4; - - memctl->memc_or5 = CONFIG_SYS_OR5; - memctl->memc_br5 = CONFIG_SYS_BR5; - - memctl->memc_or6 = CONFIG_SYS_OR6; - memctl->memc_br6 = CONFIG_SYS_BR6; - - memctl->memc_or7 = CONFIG_SYS_OR7; - memctl->memc_br7 = CONFIG_SYS_BR7; - -#endif - - return (size); -} - -/* ------------------------------------------------------------------------- */ - -/* - * 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 mbmr_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_mbmr = mbmr_value; - - return (get_ram_size(base, maxsize)); -} |