Eric Lee / smarc-uboot

Download as
Browse Code ยป

Commit b2482dffa04b79f3878117364c1f3cbf7771117f

Authored by Simon Glass
Committed by Tom Rini
1 parent 9dd05fb8c8
Exists in v2017.01-smarct4x and in 25 other branches 8qm-imx_v2020.04_5.4.70_2.3.0, emb_lf_v2022.04, pitx_8mp_lf_v2020.04, smarc-8m-android-10.0.0_2.6.0, smarc-8m-android-11.0.0_2.0.0, smarc-8mp-android-11.0.0_2.0.0, smarc-imx6_v2018.03_4.14.98_2.0.0_ga, smarc-imx7_v2017.03_4.9.11_1.0.0_ga, smarc-imx7_v2018.03_4.14.98_2.0.0_ga, smarc-imx_v2017.03_4.9.11_1.0.0_ga, smarc-imx_v2017.03_4.9.88_2.0.0_ga, smarc-imx_v2017.03_o8.1.0_1.3.0_8m, smarc-imx_v2018.03_4.14.78_1.0.0_ga, smarc-n7.1.2_2.0.0-ga, smarc_8m-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8m-imx_v2019.04_4.19.35_1.1.0, smarc_8m_00d0-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8mm-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8mm-imx_v2019.04_4.19.35_1.1.0, smarc_8mm-imx_v2020.04_5.4.24_2.1.0, smarc_8mp_lf_v2020.04, smarc_8mq-imx_v2020.04_5.4.24_2.1.0, smarc_8mq_lf_v2020.04, v2017.01-smarct3x, v2017.01-smarct3x-emmc

README: Drop unused JFFS2 options 

There appear to be neither implemented nor used. Drop them.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: York Sun <york.sun@nxp.com>

Showing 3 changed files with 6 additions and 69 deletions Side-by-side Diff

... ... @@ -1656,22 +1656,12 @@
1656 1656 If not defined the default value "mbr" is used.
1657 1657  
1658 1658 - Journaling Flash filesystem support:
1659   - CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE,
1660   - CONFIG_JFFS2_NAND_DEV
  1659 + CONFIG_JFFS2_NAND
1661 1660 Define these for a default partition on a NAND device
1662 1661  
1663 1662 CONFIG_SYS_JFFS2_FIRST_SECTOR,
1664 1663 CONFIG_SYS_JFFS2_FIRST_BANK, CONFIG_SYS_JFFS2_NUM_BANKS
1665 1664 Define these for a default partition on a NOR device
1666   -
1667   - CONFIG_SYS_JFFS_CUSTOM_PART
1668   - Define this to create an own partition. You have to provide a
1669   - function struct part_info* jffs2_part_info(int part_num)
1670   -
1671   - If you define only one JFFS2 partition you may also want to
1672   - #define CONFIG_SYS_JFFS_SINGLE_PART 1
1673   - to disable the command chpart. This is the default when you
1674   - have not defined a custom partition
1675 1665  
1676 1666 - FAT(File Allocation Table) filesystem write function support:
1677 1667 CONFIG_FAT_WRITE
... ... @@ -19,52 +19,15 @@
19 19 thus you should really consider if you can avoid it!
20 20  
21 21  
22   -There is two ways for JFFS2 to find the disk. The default way uses
23   -the flash_info structure to find the start of a JFFS2 disk (called
24   -partition in the code) and you can change where the partition is with
25   -two defines.
  22 +There only one way for JFFS2 to find the disk. It uses the flash_info
  23 +structure to find the start of a JFFS2 disk (called partition in the code)
  24 +and you can change where the partition is with two defines.
26 25  
27 26 CONFIG_SYS_JFFS2_FIRST_BANK
28 27 defined the first flash bank to use
29 28  
30 29 CONFIG_SYS_JFFS2_FIRST_SECTOR
31 30 defines the first sector to use
32   -
33   -
34   -The second way is to define CONFIG_SYS_JFFS_CUSTOM_PART and implement the
35   -jffs2_part_info(int part_num) function in your board specific files.
36   -In this mode CONFIG_SYS_JFFS2_FIRST_BANK and CONFIG_SYS_JFFS2_FIRST_SECTOR is not
37   -used.
38   -
39   -The input is a partition number starting with 0.
40   -Return a pointer to struct part_info or NULL for error;
41   -
42   -Ex jffs2_part_info() for one partition.
43   ----
44   -#if defined CONFIG_SYS_JFFS_CUSTOM_PART
45   -#include <jffs2/jffs2.h>
46   -
47   -static struct part_info part;
48   -
49   -struct part_info*
50   -jffs2_part_info(int part_num)
51   -{
52   - if(part_num==0){
53   - if(part.usr_priv==(void*)1)
54   - return &part;
55   -
56   - memset(&part, 0, sizeof(part));
57   - part.offset=(char*)0xFF800000;
58   - part.size=1024*1024*8;
59   -
60   - /* Mark the struct as ready */
61   - part.usr_priv=(void*)1;
62   -
63   - return &part;
64   - }
65   - return 0;
66   -}
67   -#endif
68 31 ---
69 32  
70 33 TODO.
doc/README.JFFS2_NAND
Diff comments   View file @ b2482df
... ... @@ -2,24 +2,8 @@
2 2  
3 3 To enable, use the following #define in the board configuration file:
4 4  
5   -#define CONFIG_JFFS2_NAND 1
  5 +#define CONFIG_JFFS2_NAND
6 6  
7 7 Configuration of partitions is similar to how this is done in U-Boot
8   -for JFFS2 on top NOR flash. If a single partition is used, it can be
9   -configured using the following #defines in the configuration file:
10   -
11   -#define CONFIG_JFFS2_NAND_DEV 0 /* nand device jffs2 lives on */
12   -#define CONFIG_JFFS2_NAND_OFF 0 /* start of jffs2 partition */
13   -#define CONFIG_JFFS2_NAND_SIZE 2*1024*1024 /* size of jffs2 partition */
14   -
15   -If more than a single partition is desired, the user can define a
16   -CONFIG_SYS_JFFS_CUSTOM_PART macro and implement a
17   -
18   - struct part_info* jffs2_part_info(int part_num)
19   -
20   -function in a board-specific module. An example of such function is
21   -available in common/cmd_jffs2.c
22   -
23   -The default configuration for the DAVE board has a single JFFS2
24   -partition of 2 MB size.
  8 +for JFFS2 on top NOR flash.