diff options
Diffstat (limited to 'configs/platform-friendlyarm-mini2440/patches/barebox-2011.05.0/0002-Distinguish-the-various-NAND-sizes.patch')
| -rw-r--r-- | configs/platform-friendlyarm-mini2440/patches/barebox-2011.05.0/0002-Distinguish-the-various-NAND-sizes.patch | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/configs/platform-friendlyarm-mini2440/patches/barebox-2011.05.0/0002-Distinguish-the-various-NAND-sizes.patch b/configs/platform-friendlyarm-mini2440/patches/barebox-2011.05.0/0002-Distinguish-the-various-NAND-sizes.patch new file mode 100644 index 0000000..62abf28 --- /dev/null +++ b/configs/platform-friendlyarm-mini2440/patches/barebox-2011.05.0/0002-Distinguish-the-various-NAND-sizes.patch @@ -0,0 +1,104 @@ +From eb823a34ec4782c7521effb9eb61f8fc0ea8b2e8 Mon Sep 17 00:00:00 2001 +From: Juergen Beisert <juergen@kreuzholzen.de> +Date: Sun, 2 Nov 2014 16:38:11 +0100 +Subject: [PATCH 02/10] Distinguish the various NAND sizes + +Its important to distinguish the NAND size, as the 64 MiB NAND has 16 kiB block +size and the 128 MiB and above have 128 kiB block sizes. + +To make booting from NAND more reliable, we must keep some spare blocks per +partition when bad blocks are occur. But it makes no sense to reserve 8 blocks +in the 64 MiB NAND case. + +So the NAND layout looks like this: + +64 MiB NAND case: + + 256 kiB barebox bootloader (16 blocks, at least 10 used) + 64 kiB bootloader's environment (4 blocks, at least one used) + +128 MiB NAND case: + + 512 kiB barebox bootloader (4 blocks, at least 2 used) + 378 kiB bootloader's environment (3 blocks, at least one used) + +Note: Using this patch needs some adaptions in the default environment. +At least the "nand_parts" variable must be adapted! + +Signed-off-by: Juergen Beisert <juergen@kreuzholzen.de> +--- + arch/arm/boards/mini2440/mini2440.c | 16 +++++++++++++++- + arch/arm/mach-s3c24xx/Kconfig | 22 ++++++++++++++++++++++ + 2 files changed, 37 insertions(+), 1 deletion(-) + +diff --git a/arch/arm/boards/mini2440/mini2440.c b/arch/arm/boards/mini2440/mini2440.c +index 2eb6eba..bf12ea8 100644 +--- a/arch/arm/boards/mini2440/mini2440.c ++++ b/arch/arm/boards/mini2440/mini2440.c +@@ -259,15 +259,29 @@ static int mini2440_devices_init(void) + register_device(&sdram_dev); + register_device(&dm9000_dev); + #ifdef CONFIG_NAND ++ ++#ifdef CONFIG_MINI2440_64 + /* ----------- add some vital partitions -------- */ + devfs_del_partition("self_raw"); + devfs_add_partition("nand0", 0x00000, 0x40000, PARTITION_FIXED, "self_raw"); + dev_add_bb_dev("self_raw", "self0"); + + devfs_del_partition("env_raw"); +- devfs_add_partition("nand0", 0x40000, 0x20000, PARTITION_FIXED, "env_raw"); ++ devfs_add_partition("nand0", 0x40000, 0x10000, PARTITION_FIXED, "env_raw"); ++ dev_add_bb_dev("env_raw", "env0"); ++#endif ++#ifdef CONFIG_MINI2440_128 ++ /* ----------- add some vital partitions -------- */ ++ devfs_del_partition("self_raw"); ++ devfs_add_partition("nand0", 0x00000, 0x80000, PARTITION_FIXED, "self_raw"); ++ dev_add_bb_dev("self_raw", "self0"); ++ ++ devfs_del_partition("env_raw"); ++ devfs_add_partition("nand0", 0x80000, 0x60000, PARTITION_FIXED, "env_raw"); + dev_add_bb_dev("env_raw", "env0"); + #endif ++ ++#endif + register_device(&mci_dev); + armlinux_add_dram(&sdram_dev); + armlinux_set_bootparams((void *)sdram_dev.map_base + 0x100); +diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig +index 33d230c..fd44683 100644 +--- a/arch/arm/mach-s3c24xx/Kconfig ++++ b/arch/arm/mach-s3c24xx/Kconfig +@@ -67,6 +67,28 @@ config MACH_A9M2410DEV + + endchoice + ++choice ++ prompt "mini2440 NAND size" ++ depends on MACH_MINI2440 ++ ++config MINI2440_64 ++ bool ++ prompt "64 MiB NAND" ++ help ++ Select this entry if your mini2440 is shipped with a NAND memory ++ of size 64 MiB. The memory comes with the printing ++ "K9F1208" ++ ++config MINI2440_128 ++ bool ++ prompt "128 MiB NAND or above" ++ help ++ Select this entry if your mini2440 is shipped with a NAND memory ++ larger than 64 MiB. These memories are coming with the printing ++ "K9F1G08", "K9F2G08" or "K9F8G08" ++ ++endchoice ++ + endmenu + + menu "S3C24X0 Features " +-- +1.8.1 + |