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- /*
- * (C) Copyright 2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2002 Jun Gu <jung@artesyncp.com>
- * Add support for Am29F016D and dynamic switch setting.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- /*
- * Modified 4/5/2001
- * Wait for completion of each sector erase command issued
- * 4/5/2001
- * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
- */
- #include <common.h>
- #include <asm/ppc4xx.h>
- #include <asm/processor.h>
- #undef DEBUG
- #ifdef DEBUG
- #define DEBUGF(x...) printf(x)
- #else
- #define DEBUGF(x...)
- #endif /* DEBUG */
- static unsigned long flash_addr_table[1][CONFIG_SYS_MAX_FLASH_BANKS] = {
- {0xff900000, 0xff980000, 0xffc00000}, /* 0:000: configuraton 3 */
- };
- /*
- * include common flash code (for amcc boards)
- */
- #include "../common/flash.c"
- /*-----------------------------------------------------------------------
- * Functions
- */
- static ulong flash_get_size(vu_long * addr, flash_info_t * info);
- unsigned long flash_init(void)
- {
- unsigned long total_b = 0;
- unsigned long size_b[CONFIG_SYS_MAX_FLASH_BANKS];
- unsigned short index = 0;
- int i;
- /* read FPGA base register FPGA_REG0 */
- DEBUGF("\n");
- DEBUGF("FLASH: Index: %d\n", index);
- /* Init: no FLASHes known */
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
- flash_info[i].flash_id = FLASH_UNKNOWN;
- flash_info[i].sector_count = -1;
- flash_info[i].size = 0;
- /* check whether the address is 0 */
- if (flash_addr_table[index][i] == 0) {
- continue;
- }
- /* call flash_get_size() to initialize sector address */
- size_b[i] = flash_get_size((vu_long *)
- flash_addr_table[index][i],
- &flash_info[i]);
- flash_info[i].size = size_b[i];
- if (flash_info[i].flash_id == FLASH_UNKNOWN) {
- printf("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
- i, size_b[i], size_b[i] << 20);
- flash_info[i].sector_count = -1;
- flash_info[i].size = 0;
- }
- /* Monitor protection ON by default */
- (void)flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_MONITOR_BASE,
- CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN - 1,
- &flash_info[2]);
- #ifdef CONFIG_ENV_IS_IN_FLASH
- (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR,
- CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
- &flash_info[2]);
- (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND,
- CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1,
- &flash_info[2]);
- #endif
- total_b += flash_info[i].size;
- }
- return total_b;
- }
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