* (C) Copyright 2002 Jun Gu <jung@artesyncp.com>
* Add support for Am29F016D and dynamic switch setting.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
*/
#include <common.h>
-#include <ppc4xx.h>
+#include <asm/ppc4xx.h>
#include <asm/processor.h>
+#include <asm/io.h>
#undef DEBUG
#ifdef DEBUG
#define FLASH_ONBD_N_VAL 2
#define FLASH_SRAM_SEL_VAL 1
-static unsigned long flash_addr_table[8][CFG_MAX_FLASH_BANKS] = {
+static unsigned long flash_addr_table[8][CONFIG_SYS_MAX_FLASH_BANKS] = {
{0xffc00000, 0xffe00000, 0xff880000}, /* 0:000: configuraton 3 */
{0xffc00000, 0xffe00000, 0xff800000}, /* 1:001: configuraton 4 */
{0xffc00000, 0xffe00000, 0x00000000}, /* 2:010: configuraton 7 */
*/
static ulong flash_get_size(vu_long * addr, flash_info_t * info);
+/*
+ * Override the weak default mapping function with a board specific one
+ */
+u32 flash_get_bank_size(int cs, int idx)
+{
+ u8 reg = in_8((void *)CONFIG_SYS_FPGA_BASE);
+
+ if ((reg & BOOT_SMALL_FLASH) && !(reg & FLASH_ONBD_N)) {
+ /*
+ * cs0: small flash (512KiB)
+ * cs2: 2 * big flash (2 * 2MiB)
+ */
+ if (cs == 0)
+ return flash_info[2].size;
+ if (cs == 2)
+ return flash_info[0].size + flash_info[1].size;
+ } else {
+ /*
+ * cs0: 2 * big flash (2 * 2MiB)
+ * cs2: small flash (512KiB)
+ */
+ if (cs == 0)
+ return flash_info[0].size + flash_info[1].size;
+ if (cs == 2)
+ return flash_info[2].size;
+ }
+
+ return 0;
+}
+
unsigned long flash_init(void)
{
unsigned long total_b = 0;
- unsigned long size_b[CFG_MAX_FLASH_BANKS];
- unsigned char *fpga_base = (unsigned char *)CFG_FPGA_BASE;
+ unsigned long size_b[CONFIG_SYS_MAX_FLASH_BANKS];
+ unsigned char *fpga_base = (unsigned char *)CONFIG_SYS_FPGA_BASE;
unsigned char switch_status;
unsigned short index = 0;
int i;
DEBUGF("FLASH: Index: %d\n", index);
/* Init: no FLASHes known */
- for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+ 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;
}
/* Monitor protection ON by default */
- (void)flash_protect(FLAG_PROTECT_SET, CFG_MONITOR_BASE,
- CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,
+ (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, CFG_ENV_ADDR,
- CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+ (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, CFG_ENV_ADDR_REDUND,
- CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1,
+ (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND,
+ CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1,
&flash_info[2]);
#endif