From: Lothar Waßmann <LW@KARO-electronics.de>
Date: Thu, 1 Aug 2013 13:11:26 +0000 (+0200)
Subject: karo: tx6: fix broken calculation of MTDPARTS parameters
X-Git-Tag: KARO_TX6-2013-08-01~1
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a5fa8cc84ea71908a2819897012e14d7ecd9d4ed;p=karo-tx-uboot.git

karo: tx6: fix broken calculation of MTDPARTS parameters
---

diff --git a/board/karo/tx6/config.mk b/board/karo/tx6/config.mk
index 70600265de..c899960a1c 100644
--- a/board/karo/tx6/config.mk
+++ b/board/karo/tx6/config.mk
@@ -7,3 +7,23 @@ LOGO_BMP = logos/karo.bmp
 #PLATFORM_CPPFLAGS += -DDEBUG
 #PLATFORM_CPPFLAGS += -Wno-unused-but-set-variable
 PLATFORM_CPPFLAGS += -Werror
+
+# calculate U_BOOT_IMG_SIZE to be at least 3 eraseblocks larger than the maximum expected image size
+CONFIG_SYS_NAND_BLOCK_SIZE := 131072
+CONFIG_SYS_NAND_BLOCKS := 1024
+ifneq ($(CONFIG_SYS_NAND_BLOCK_SIZE),)
+CONFIG_U_BOOT_IMG_SIZE = $(shell echo 'e=$(CONFIG_SYS_NAND_BLOCK_SIZE);s=640*1024;s + (e - s % e) % e + 3*e' | bc)
+CONFIG_SYS_USERFS_SIZE = $(shell expr \( $(CONFIG_SYS_NAND_BLOCKS) - 9 \) \* $(CONFIG_SYS_NAND_BLOCK_SIZE) - $(CONFIG_U_BOOT_IMG_SIZE) - 36 \* 1048576)
+CONFIG_SYS_USERFS_SIZE2 = $(shell expr \( $(CONFIG_SYS_NAND_BLOCKS) - 12 \) \* $(CONFIG_SYS_NAND_BLOCK_SIZE) - $(CONFIG_U_BOOT_IMG_SIZE) - 36 \* 1048576)
+
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_NAND_BLOCK_SIZE=$(CONFIG_SYS_NAND_BLOCK_SIZE)
+PLATFORM_CPPFLAGS += -DCONFIG_U_BOOT_IMG_SIZE=$(CONFIG_U_BOOT_IMG_SIZE)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_U_BOOT_PART_SIZE=$(shell printf "%uk" `expr $(CONFIG_U_BOOT_IMG_SIZE) / 1024`)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_NAND_U_BOOT_OFFS=$(shell printf "0x%x" `expr $(CONFIG_SYS_NAND_BLOCK_SIZE)`)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_ENV_PART_SIZE=$(shell printf "%uk" `expr 3 \* $(CONFIG_SYS_NAND_BLOCK_SIZE) / 1024`)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_USERFS_PART_SIZE=$(shell printf "%uk" `expr $(CONFIG_SYS_USERFS_SIZE) / 1024`)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_USERFS_PART_SIZE2=$(shell printf "%uk" `expr $(CONFIG_SYS_USERFS_SIZE) / 1024`)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_DTB_PART_SIZE=$(shell printf "%uk" `expr $(CONFIG_SYS_NAND_BLOCK_SIZE) / 1024`)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_NAND_BBT_SIZE=$(shell printf "%uk" `expr 4 \* $(CONFIG_SYS_NAND_BLOCK_SIZE) / 1024`)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_NAND_BBT_OFFSET=$(shell printf "0x%x" `expr \( $(CONFIG_SYS_NAND_BLOCKS) - 4 \) \* $(CONFIG_SYS_NAND_BLOCK_SIZE)`)
+endif
diff --git a/include/configs/tx6.h b/include/configs/tx6.h
index afbead9a6c..e480d7d8b5 100644
--- a/include/configs/tx6.h
+++ b/include/configs/tx6.h
@@ -138,7 +138,6 @@
 #endif /* CONFIG_MFG */
 #define CONFIG_LOADADDR			18000000
 #define CONFIG_SYS_LOAD_ADDR		_pfx(0x, CONFIG_LOADADDR)
-#define CONFIG_U_BOOT_IMG_SIZE		SZ_1M
 #define CONFIG_IMX_WATCHDOG
 #define CONFIG_WATCHDOG_TIMEOUT_MSECS	3000
 
@@ -270,15 +269,11 @@
 #define CONFIG_MTD_DEBUG
 #define CONFIG_MTD_DEBUG_VERBOSE	4
 #endif
-#ifndef CONFIG_SYS_NAND_BLOCK_SIZE
-#define CONFIG_SYS_NAND_BLOCK_SIZE	SZ_128K
-#endif
 #define CONFIG_NAND_MXS
 #define CONFIG_NAND_MXS_NO_BBM_SWAP
 #define CONFIG_APBH_DMA
 #define CONFIG_APBH_DMA_BURST
 #define CONFIG_APBH_DMA_BURST8
-#define CONFIG_SYS_NAND_U_BOOT_OFFS	CONFIG_SYS_NAND_BLOCK_SIZE
 #define CONFIG_CMD_NAND_TRIMFFS
 #define CONFIG_SYS_MXS_DMA_CHANNEL	4
 #define CONFIG_SYS_MAX_FLASH_BANKS	1
@@ -345,7 +340,7 @@
 
 #define MTDPARTS_DEFAULT		"mtdparts=" MTD_NAME ":"	\
 	xstr(CONFIG_SYS_U_BOOT_PART_SIZE)				\
-	"@" xstr(CONFIG_SYS_U_BOOT_OFFSET)				\
+	"@" xstr(CONFIG_SYS_NAND_U_BOOT_OFFS)				\
 	"(u-boot),"							\
 	CONFIG_SYS_ENV_PART_STR						\
 	"4m(linux),32m(rootfs)," CONFIG_SYS_USERFS_PART_STR ","		\