From: Piotr Dymacz <pepe2k@gmail.com>
Date: Thu, 3 Mar 2016 11:44:17 +0000 (+0100)
Subject: Minor changes in common spi_flash.c
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=18e76fb12636d89d9d4c6f07baa87dfed2217a59;p=oweals%2Fu-boot_mod.git

Minor changes in common spi_flash.c
---

diff --git a/u-boot/board/ar7240/common/spi_flash.c b/u-boot/board/ar7240/common/spi_flash.c
index d066571..7b03625 100644
--- a/u-boot/board/ar7240/common/spi_flash.c
+++ b/u-boot/board/ar7240/common/spi_flash.c
@@ -1,7 +1,7 @@
 /*
- * Copyright (C) 2015 Piotr Dymacz <piotr@dymacz.pl>
+ * Copyright (C) 2016 Piotr Dymacz <piotr@dymacz.pl>
  *
- * SPDX-License-Identifier:GPL-2.0
+ * SPDX-License-Identifier: GPL-2.0
  */
 
 #include <config.h>
@@ -40,6 +40,10 @@ static u32 flash_info_find(flash_info_t *info, u32 jedec_id)
 	return 1;
 }
 
+/*
+ * Scan all configured FLASH banks one by one
+ * and try to get information about the chips
+ */
 u32 flash_init(void)
 {
 	u32 bank, i, jedec_id, sfdp_size, sfdp_ss;
@@ -109,7 +113,7 @@ u32 flash_init(void)
 			info->sector_count = info->size / info->sector_size;
 		}
 
-		for (i = 0; i < info->sector_count; i++){
+		for (i = 0; i < info->sector_count; i++) {
 			info->start[i] = CFG_FLASH_BASE
 							 + total_size + (i * info->sector_size);
 		}
@@ -120,6 +124,12 @@ u32 flash_init(void)
 	return total_size;
 }
 
+/*
+ * Erase all FLASH sectors in provided range
+ *
+ * TODO:
+ * - use some LED for indication that we are erasing?
+ */
 u32 flash_erase(flash_info_t *info,
 				u32 s_first,
 				u32 s_last)
@@ -147,8 +157,6 @@ u32 flash_erase(flash_info_t *info,
 	return 0;
 }
 
-
-
 /*
  * Write a buffer from memory to a FLASH:
  * call page program for every <= 256 bytes