diff options
| author | Prasanth Babu Mantena <p-mantena@ti.com> | 2024-10-09 20:27:00 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2024-10-17 18:21:18 -0600 |
| commit | c4b00537dc0d998b201807d8e660de73cdf9ca69 (patch) | |
| tree | d5644eced21d0ceceb994cf4696c53f0ab547373 | |
| parent | 080bb8480a4e915b1ef52418a9b7a227c75a22ee (diff) | |
mach-k3: common.c: Remove dma device in spl exit
While exiting from spl, remove any dma device active through
spl_board_prepare_for_boot(). This is required for cleaning up
any dma channels being used in spl and avoid issues with overlapping
channel allocation in the next stage bootloaders.
Signed-off-by: Prasanth Babu Mantena <p-mantena@ti.com>
| -rw-r--r-- | arch/arm/mach-k3/common.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c index df48ec8d479..46d3d881966 100644 --- a/arch/arm/mach-k3/common.c +++ b/arch/arm/mach-k3/common.c @@ -28,6 +28,8 @@ #include <env.h> #include <elf.h> #include <soc.h> +#include <dm/uclass-internal.h> +#include <dm/device-internal.h> #include <asm/arch/k3-qos.h> @@ -246,12 +248,32 @@ void spl_enable_cache(void) #endif } -#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) +static __maybe_unused void k3_dma_remove(void) +{ + struct udevice *dev; + int rc; + + rc = uclass_find_device(UCLASS_DMA, 0, &dev); + if (!rc && dev) { + rc = device_remove(dev, DM_REMOVE_NORMAL); + if (rc) + pr_warn("Cannot remove dma device '%s' (err=%d)\n", + dev->name, rc); + } else + pr_warn("DMA Device not found (err=%d)\n", rc); +} + void spl_board_prepare_for_boot(void) { +#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) dcache_disable(); +#endif +#if IS_ENABLED(CONFIG_SPL_DMA) && IS_ENABLED(CONFIG_SPL_DM_DEVICE_REMOVE) + k3_dma_remove(); +#endif } +#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) void spl_board_prepare_for_linux(void) { dcache_disable(); |