Add support for !MMU low level debug required for the secondary Cortex-M4 core in Vybrid.
Signed-off-by: Stefan Agner <[email protected]> --- arch/arm/include/debug/vf.S | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/include/debug/vf.S b/arch/arm/include/debug/vf.S index b889338..63c7ef7 100644 --- a/arch/arm/include/debug/vf.S +++ b/arch/arm/include/debug/vf.S @@ -17,12 +17,22 @@ #define VF_UART_VIRTUAL_BASE 0xfe000000 +#ifdef CONFIG_MMU + .macro addruart, rp, rv, tmp ldr \rp, =VF_UART_PHYSICAL_BASE @ physical and \rv, \rp, #0xffffff @ offset within 16MB section add \rv, \rv, #VF_UART_VIRTUAL_BASE .endm +#else /* !CONFIG_MMU */ + + .macro addruart, rx, tmp + ldr \rx, =(VF_UART_PHYSICAL_BASE) @ physical + .endm + +#endif /* CONFIG_MMU */ + .macro senduart, rd, rx strb \rd, [\rx, #0x7] @ Data Register .endm -- 2.1.2 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
