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author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-05-09 10:47:05 +0200 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-05-09 11:50:14 +0200 |
commit | d2a3e911390f9fc4d8c0ee4b3c7fc75f4fd3fd19 (patch) | |
tree | d71aae6d706d1f3b01da5f944e247abe308feea0 /board/RPXlite/RPXlite.c | |
parent | 7904b70885f3c589c239f6ac978f299a6744557f (diff) | |
parent | 173d294b94cfec10063a5be40934d6d8fb7981ce (diff) | |
download | u-boot-imx-d2a3e911390f9fc4d8c0ee4b3c7fc75f4fd3fd19.zip u-boot-imx-d2a3e911390f9fc4d8c0ee4b3c7fc75f4fd3fd19.tar.gz u-boot-imx-d2a3e911390f9fc4d8c0ee4b3c7fc75f4fd3fd19.tar.bz2 |
Merge branch 'u-boot/master'
Conflicts:
drivers/net/Makefile
(trivial merge)
Diffstat (limited to 'board/RPXlite/RPXlite.c')
-rw-r--r-- | board/RPXlite/RPXlite.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/board/RPXlite/RPXlite.c b/board/RPXlite/RPXlite.c deleted file mode 100644 index 08575a4..0000000 --- a/board/RPXlite/RPXlite.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * Yoo. Jonghoon, IPone, yooth@ipone.co.kr - * U-Boot port on RPXlite board - * - * DRAM related UPMA register values are modified. - * See RPXLite engineering note : 50MHz/60ns - UPM RAM WORDS - */ - -#include <common.h> -#include <mpc8xx.h> - -/* ------------------------------------------------------------------------- */ - -static long int dram_size (long int, long int *, long int); - -/* ------------------------------------------------------------------------- */ - -#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: RPXlite\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 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)); -} |