karo: tx6: fix broken calculation of MTDPARTS parameters

[karo-tx-uboot.git] / board / karo / tx6 / config.mk

diff --git a/board/karo/tx6/config.mk b/board/karo/tx6/config.mk
index 70600265de211bfa1f3cfac22e6e2e74f85b1247..c899960a1c6c203e8a55d9f10ce3e46c38c69a77 100644 (file)
--- 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