Current code assumes that the vector base address is always at 0x0. However, this value is configurable for MicroBlaze using the CONFIG_XILINX_MICROBLAZE0_VECTOR_BASE_ADDR Kconfig option. Update the reset routines to branch to this location instead.
Signed-off-by: Ovidiu Panait ovidiu.panait@windriver.com ---
(no changes since v1)
arch/microblaze/cpu/spl.c | 6 ++++-- drivers/sysreset/sysreset_microblaze.c | 6 ++++-- 2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/arch/microblaze/cpu/spl.c b/arch/microblaze/cpu/spl.c index 06d4af99b2..cea6d56f16 100644 --- a/arch/microblaze/cpu/spl.c +++ b/arch/microblaze/cpu/spl.c @@ -12,6 +12,7 @@ #include <spl.h> #include <asm/io.h> #include <asm/u-boot.h> +#include <linux/stringify.h>
bool boot_linux;
@@ -54,8 +55,9 @@ int spl_start_uboot(void)
int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { - __asm__ __volatile__ ("mts rmsr, r0;" \ - "bra r0"); + __asm__ __volatile__ ( + "mts rmsr, r0;" \ + "brai " __stringify(CONFIG_XILINX_MICROBLAZE0_VECTOR_BASE_ADDR));
return 0; } diff --git a/drivers/sysreset/sysreset_microblaze.c b/drivers/sysreset/sysreset_microblaze.c index 514c95817f..83a7f77ac4 100644 --- a/drivers/sysreset/sysreset_microblaze.c +++ b/drivers/sysreset/sysreset_microblaze.c @@ -8,13 +8,15 @@ #include <errno.h> #include <sysreset.h> #include <linux/err.h> +#include <linux/stringify.h>
static int microblaze_sysreset_request(struct udevice *dev, enum sysreset_t type) { puts("Microblaze soft reset sysreset\n"); - __asm__ __volatile__ (" mts rmsr, r0;" \ - "bra r0"); + __asm__ __volatile__ ( + "mts rmsr, r0;" \ + "brai " __stringify(CONFIG_XILINX_MICROBLAZE0_VECTOR_BASE_ADDR));
return -EINPROGRESS; }