On Thu, Nov 25, 2021 at 05:06:57PM +0100, Ahmad Fatoum wrote: > While we have PBL console support, console isn't available during early > barebox startup. Implement DEBUG_LL for Qemu RISC-V Virt to make such > early debugging easier. > > Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> > --- > arch/riscv/Kconfig.socs | 1 + > arch/riscv/include/asm/debug_ll.h | 10 ++++++++-- > common/Kconfig | 5 +++++ > 3 files changed, 14 insertions(+), 2 deletions(-) Applied, thanks Sascha > > diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs > index bd4a44a575ef..b12c795041b0 100644 > --- a/arch/riscv/Kconfig.socs > +++ b/arch/riscv/Kconfig.socs > @@ -18,6 +18,7 @@ config SOC_VIRT > select RISCV_S_MODE > select BOARD_RISCV_GENERIC_DT > select HAS_CACHE > + select HAS_ASM_DEBUG_LL > help > Generates an image tht can be be booted by QEMU. The image is called > barebox-dt-2nd.img > diff --git a/arch/riscv/include/asm/debug_ll.h b/arch/riscv/include/asm/debug_ll.h > index a3b9c1c4bcfb..d01b4f09b8e1 100644 > --- a/arch/riscv/include/asm/debug_ll.h > +++ b/arch/riscv/include/asm/debug_ll.h > @@ -17,13 +17,19 @@ > #if defined CONFIG_DEBUG_ERIZO > #define DEBUG_LL_UART_ADDR 0x90000000 > #define DEBUG_LL_UART_CLK (24000000 / 16) > +#define DEBUG_LL_UART_SHIFT 2 > +#define DEBUG_LL_UART_IOSIZE32 > #elif defined CONFIG_DEBUG_STARFIVE > #define DEBUG_LL_UART_ADDR 0x12440000 > #define DEBUG_LL_UART_CLK (100000000 / 16) > -#endif > - > #define DEBUG_LL_UART_SHIFT 2 > #define DEBUG_LL_UART_IOSIZE32 > +#elif defined CONFIG_DEBUG_RISCV_VIRT > +#define DEBUG_LL_UART_ADDR 0x10000000 > +#define DEBUG_LL_UART_CLK (58982400 / 16) > +#define DEBUG_LL_UART_SHIFT 0 > +#define DEBUG_LL_UART_IOSIZE8 > +#endif > > #define DEBUG_LL_UART_BPS CONFIG_BAUDRATE > #define DEBUG_LL_UART_DIVISOR (DEBUG_LL_UART_CLK / DEBUG_LL_UART_BPS) > diff --git a/common/Kconfig b/common/Kconfig > index f4120b2083ee..ab6258d90f40 100644 > --- a/common/Kconfig > +++ b/common/Kconfig > @@ -1402,6 +1402,11 @@ config DEBUG_STARFIVE > depends on SOC_STARFIVE > select DEBUG_LL_NS16550 > > +config DEBUG_RISCV_VIRT > + bool "RISC-V Virt ns16550 port" > + depends on SOC_VIRT > + select DEBUG_LL_NS16550 > + > config DEBUG_SIFIVE > bool "SiFive serial0 port" > depends on SOC_SIFIVE > -- > 2.30.2 > > > _______________________________________________ > barebox mailing list > barebox@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
