From: Purna Chandra Mandal <purna.mandal@microchip.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v1 09/18] board: pic32mzdask: add flash support for environments.
Date: Thu, 17 Dec 2015 23:01:16 +0530 [thread overview]
Message-ID: <5672F164.6020105@microchip.com> (raw)
Add flash chip information and environment location (for environment in flash).
Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
---
include/configs/pic32mzdask.h | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/include/configs/pic32mzdask.h b/include/configs/pic32mzdask.h
index 9f867ed..89925f6 100644
--- a/include/configs/pic32mzdask.h
+++ b/include/configs/pic32mzdask.h
@@ -75,7 +75,19 @@
/*-------------------------------------------------
* FLASH configuration
*/
-#define CONFIG_SYS_NO_FLASH
+#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
+#define CONFIG_SYS_MAX_FLASH_SECT 64 /* max number of sectors */
+#define CONFIG_SYS_FLASH_SIZE (1 << 20) /* 1M, size of one bank */
+#define PHYS_FLASH_1 0x1D000000 /* Flash Bank #1 */
+#define PHYS_FLASH_2 0x1D100000 /* Flash Bank #2 */
+#define CONFIG_SYS_FLASH_BANKS_LIST {PHYS_FLASH_1, PHYS_FLASH_2}
+#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
+#define PHYS_FLASH_SECT_SIZE \
+ (CONFIG_SYS_FLASH_SIZE / CONFIG_SYS_MAX_FLASH_SECT)
+
+/* FLASH erase/programming timeout (in ticks) */
+#define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ)
+#define CONFIG_SYS_FLASH_WRITE_TOUT (25 * CONFIG_SYS_HZ)
/*------------------------------------------------------------
* Console Configuration
@@ -96,8 +108,10 @@
/* -------------------------------------------------
* Environment
*/
-#define CONFIG_ENV_IS_NOWHERE 1
+#define CONFIG_ENV_IS_IN_FLASH 1
+#define CONFIG_ENV_SECT_SIZE 0x4000 /* 16K(one sector) for env */
#define CONFIG_ENV_SIZE 0x4000
+#define CONFIG_ENV_ADDR 0x9d0fc000 /* Last sector from Bank 0 */
/* ---------------------------------------------------------------------
* Board boot configuration
--
1.8.3.1
reply other threads:[~2015-12-17 17:31 UTC|newest]
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