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authorFelix Fietkau <nbd@nbd.name>2016-09-15 12:51:57 +0200
committerFelix Fietkau <nbd@nbd.name>2016-09-19 14:27:26 +0200
commit0b3a64f862b367e634d1d4f8b4b94a10e0128dd4 (patch)
tree399a1dd4cf164876013a77edd93692fafb16a34c /target/linux/cns3xxx/files
parent58fbe07560fdb07a20a07f01f6cf97635a3ccab3 (diff)
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cns3xxx: eliminate hardcoded kernel/rootfs partition split
This changes the sysupgrade format. To support upgrades from the old firmware to the new one, legacy images are provided. Because of the old partition split, these have to be specific to the NOR or SPI device. The new sysupgrade images are suitable for begin put on flash directly, and they are independent of NOR vs SPI flash variant. Flashing back to old firmware is supported via using the old full-flash images instead of the old sysupgrade images. Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/cns3xxx/files')
-rw-r--r--target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c62
1 files changed, 11 insertions, 51 deletions
diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c
index 664492a..5df69f3 100644
--- a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c
+++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c
@@ -122,13 +122,8 @@ static struct mtd_partition laguna_nor_partitions[] = {
.size = SZ_128K,
.offset = SZ_256K,
}, {
- .name = "kernel",
- .size = SZ_2M,
+ .name = "firmware",
.offset = SZ_256K + SZ_128K,
- }, {
- .name = "rootfs",
- .size = SZ_16M - SZ_256K - SZ_128K - SZ_2M,
- .offset = SZ_256K + SZ_128K + SZ_2M,
},
};
@@ -168,13 +163,8 @@ static struct mtd_partition laguna_spi_partitions[] = {
.size = SZ_256K,
.offset = SZ_256K,
}, {
- .name = "kernel",
- .size = SZ_1M + SZ_512K,
+ .name = "firmware",
.offset = SZ_512K,
- }, {
- .name = "rootfs",
- .size = SZ_16M - SZ_2M,
- .offset = SZ_2M,
},
};
@@ -1017,49 +1007,19 @@ static int __init laguna_model_setup(void)
platform_device_register(&laguna_uart);
if (laguna_info.config2_bitmap & (NOR_FLASH_LOAD)) {
- switch (laguna_info.nor_flash_size) {
- case 1:
- laguna_nor_partitions[3].size = SZ_8M - SZ_256K - SZ_128K - SZ_2M;
- laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_8M - 1;
- break;
- case 2:
- laguna_nor_partitions[3].size = SZ_16M - SZ_256K - SZ_128K - SZ_2M;
- laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_16M - 1;
- break;
- case 3:
- laguna_nor_partitions[3].size = SZ_32M - SZ_256K - SZ_128K - SZ_2M;
- laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_32M - 1;
- break;
- case 4:
- laguna_nor_partitions[3].size = SZ_64M - SZ_256K - SZ_128K - SZ_2M;
- laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_64M - 1;
- break;
- case 5:
- laguna_nor_partitions[3].size = SZ_128M - SZ_256K - SZ_128K - SZ_2M;
- laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_128M - 1;
- break;
- }
+ laguna_nor_partitions[2].size =
+ (SZ_4M << laguna_info.nor_flash_size) -
+ laguna_nor_partitions[2].offset;
+ laguna_nor_res.end = CNS3XXX_FLASH_BASE +
+ laguna_nor_partitions[2].offset +
+ laguna_nor_partitions[2].size - 1;
platform_device_register(&laguna_nor_pdev);
}
if (laguna_info.config2_bitmap & (SPI_FLASH_LOAD)) {
- switch (laguna_info.spi_flash_size) {
- case 1:
- laguna_spi_partitions[3].size = SZ_4M - SZ_2M;
- break;
- case 2:
- laguna_spi_partitions[3].size = SZ_8M - SZ_2M;
- break;
- case 3:
- laguna_spi_partitions[3].size = SZ_16M - SZ_2M;
- break;
- case 4:
- laguna_spi_partitions[3].size = SZ_32M - SZ_2M;
- break;
- case 5:
- laguna_spi_partitions[3].size = SZ_64M - SZ_2M;
- break;
- }
+ laguna_spi_partitions[2].size =
+ (SZ_2M << laguna_info.spi_flash_size) -
+ laguna_spi_partitions[2].offset;
spi_register_board_info(ARRAY_AND_SIZE(laguna_spi_devices));
}