Add GPL-2.0+ SPDX-License-Identifier to source files

[karo-tx-uboot.git] / board / amcc / ebony / flash.c

diff --git a/board/amcc/ebony/flash.c b/board/amcc/ebony/flash.c
index 8fe3ba1b8f0df4777e97dde510a73583c3c95f0d..5740a5623b3e20251034a190fd33255814bfee7c 100644 (file)
--- a/board/amcc/ebony/flash.c
+++ b/board/amcc/ebony/flash.c
@@ -5,23 +5,7 @@
  * (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+
  */
 
 /*
@@ -32,8 +16,9 @@
  */
 
 #include <common.h>
-#include <ppc4xx.h>
+#include <asm/ppc4xx.h>
 #include <asm/processor.h>
+#include <asm/io.h>
 
 #undef DEBUG
 #ifdef DEBUG
@@ -71,6 +56,36 @@ static unsigned long flash_addr_table[8][CONFIG_SYS_MAX_FLASH_BANKS] = {
  */
 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;