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| author | Alexander Graf <agraf@suse.de> | 2016-11-17 01:02:57 +0100 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2016-11-17 14:18:55 +0100 |
| commit | b7b8410a8fee9eda7b062a86a07dda0b97c49f8a (patch) | |
| tree | c59342bc60cd4b1cad906375dea08dbe5d4bb3ea /arch/arm | |
| parent | 97d014446cec3ba98c7f3efe16c423dbcf769379 (diff) | |
| download | u-boot-imx-b7b8410a8fee9eda7b062a86a07dda0b97c49f8a.zip u-boot-imx-b7b8410a8fee9eda7b062a86a07dda0b97c49f8a.tar.gz u-boot-imx-b7b8410a8fee9eda7b062a86a07dda0b97c49f8a.tar.bz2 | |
ls2080: Exit dpaa only right before exiting U-Boot
On ls2080 we have a separate network fabric component which we need to
shut down before we enter Linux (or any other OS). Along with that also
comes configuration of the fabric using a description file.
Today we always stop and configure the fabric in the boot script and
(again) exit it on device tree generation. This works ok for the normal
booti case, but with bootefi the payload we're running may still want to
access the network.
So let's add a new fsl_mc command that defers configuration and stopping
the hardware to when we actually exit U-Boot, so that we can still use
the fabric from an EFI payload.
For existing boot scripts, nothing should change with this patch.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: York Sun <york.sun@nxp.com>
[agraf: Fix x86 build]
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/u-boot-arm.h | 1 | ||||
| -rw-r--r-- | arch/arm/lib/bootm.c | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/include/asm/u-boot-arm.h b/arch/arm/include/asm/u-boot-arm.h index 414042d..305a302 100644 --- a/arch/arm/include/asm/u-boot-arm.h +++ b/arch/arm/include/asm/u-boot-arm.h @@ -37,6 +37,7 @@ int arch_early_init_r(void); /* board/.../... */ int board_init(void); void dram_init_banksize (void); +void board_quiesce_devices(void); /* cpu/.../interrupt.c */ int arch_interrupt_init (void); diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c index 53c3141..dedcd1e 100644 --- a/arch/arm/lib/bootm.c +++ b/arch/arm/lib/bootm.c @@ -64,6 +64,10 @@ void arch_lmb_reserve(struct lmb *lmb) gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - sp); } +__weak void board_quiesce_devices(void) +{ +} + /** * announce_and_cleanup() - Print message and prepare for kernel boot * @@ -84,6 +88,9 @@ static void announce_and_cleanup(int fake) #ifdef CONFIG_USB_DEVICE udc_disconnect(); #endif + + board_quiesce_devices(); + cleanup_before_linux(); } |