diff options
Diffstat (limited to 'board/esd/cpci405/flash.c')
-rw-r--r-- | board/esd/cpci405/flash.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/board/esd/cpci405/flash.c b/board/esd/cpci405/flash.c deleted file mode 100644 index 091652b623..0000000000 --- a/board/esd/cpci405/flash.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * (C) Copyright 2001-2003 - * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/ppc4xx.h> -#include <asm/processor.h> - -/* - * include common flash code (for esd boards) - */ -#include "../common/flash.c" - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (vu_long * addr, flash_info_t * info); -static void flash_get_offsets (ulong base, flash_info_t * info); - -/*----------------------------------------------------------------------- - */ - -unsigned long calc_size(unsigned long size) -{ - switch (size) { - case 1 << 20: - return 0; - case 2 << 20: - return 1; - case 4 << 20: - return 2; - case 8 << 20: - return 3; - case 16 << 20: - return 4; - default: - return 0; - } -} - - -unsigned long flash_init (void) -{ - unsigned long size_b0, size_b1; - int i; - uint pbcr; - unsigned long base_b0, base_b1; - - /* Init: no FLASHes known */ - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - } - - /* Static FLASH Bank configuration here - FIXME XXX */ - - base_b0 = FLASH_BASE0_PRELIM; - size_b0 = flash_get_size ((vu_long *) base_b0, &flash_info[0]); - - if (flash_info[0].flash_id == FLASH_UNKNOWN) { - printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", - size_b0, size_b0 << 20); - } - - base_b1 = FLASH_BASE1_PRELIM; - size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]); - - /* Re-do sizing to get full correct info */ - - if (size_b1) { - if (size_b1 < (1 << 20)) { - /* minimum CS size on PPC405GP is 1MB !!! */ - size_b1 = 1 << 20; - } - base_b1 = -size_b1; - mtdcr (EBC0_CFGADDR, PB0CR); - pbcr = mfdcr (EBC0_CFGDATA); - mtdcr (EBC0_CFGADDR, PB0CR); - pbcr = (pbcr & 0x0001ffff) | base_b1 | (calc_size(size_b1) << 17); - mtdcr (EBC0_CFGDATA, pbcr); -#if 0 /* test-only */ - printf("size_b1=%x base_b1=%x PB1CR = %x\n", - size_b1, base_b1, pbcr); /* test-only */ -#endif - } - - if (size_b0) { - if (size_b0 < (1 << 20)) { - /* minimum CS size on PPC405GP is 1MB !!! */ - size_b0 = 1 << 20; - } - base_b0 = base_b1 - size_b0; - mtdcr (EBC0_CFGADDR, PB1CR); - pbcr = mfdcr (EBC0_CFGDATA); - mtdcr (EBC0_CFGADDR, PB1CR); - pbcr = (pbcr & 0x0001ffff) | base_b0 | (calc_size(size_b0) << 17); - mtdcr (EBC0_CFGDATA, pbcr); -#if 0 /* test-only */ - printf("size_b0=%x base_b0=%x PB0CR = %x\n", - size_b0, base_b0, pbcr); /* test-only */ -#endif - } - - size_b0 = flash_get_size ((vu_long *) base_b0, &flash_info[0]); - - flash_get_offsets (base_b0, &flash_info[0]); - - /* monitor protection ON by default */ - flash_protect (FLAG_PROTECT_SET, - base_b0 + size_b0 - monitor_flash_len, - base_b0 + size_b0 - 1, &flash_info[0]); - - if (size_b1) { - /* Re-do sizing to get full correct info */ - size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]); - - flash_get_offsets (base_b1, &flash_info[1]); - - /* monitor protection ON by default */ - flash_protect (FLAG_PROTECT_SET, - base_b1 + size_b1 - monitor_flash_len, - base_b1 + size_b1 - 1, &flash_info[1]); - /* monitor protection OFF by default (one is enough) */ - flash_protect (FLAG_PROTECT_CLEAR, - base_b0 + size_b0 - monitor_flash_len, - base_b0 + size_b0 - 1, &flash_info[0]); - } else { - flash_info[1].flash_id = FLASH_UNKNOWN; - flash_info[1].sector_count = -1; - } - - flash_info[0].size = size_b0; - flash_info[1].size = size_b1; - - return (size_b0 + size_b1); -} |