On Thu, Jan 06, 2011 at 12:40:54PM -0800, Tony Lindgren wrote: > Anyways, I can debug the DEBUG_LL booting issue further if the patch > I posted does not help. This is what I ended up with earlier today to make the debug code work both in the decompressor and in the kernel - once I had it working I haven't bothered putting any more effort into it. diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S index 6a4d413..47df8a6 100644 --- a/arch/arm/mach-omap2/include/mach/debug-macro.S +++ b/arch/arm/mach-omap2/include/mach/debug-macro.S @@ -13,6 +13,7 @@ #include <linux/serial_reg.h> +#if 0 #include <asm/memory.h> #include <plat/serial.h> @@ -139,6 +140,24 @@ omap_uart_lsr: .word 0 teq \rd, #(UART_LSR_TEMT | UART_LSR_THRE) bne 1001b .endm +#else + .macro addruart, rp, rv + mov \rp, #0x00020000 + orr \rv, \rp, #0xfa000000 + orr \rp, \rp, #0x48000000 + .endm + + .macro senduart, ch, rb + strb \ch, [\rb] + .endm + + .macro busyuart, rb, tmp +1001: ldrb \tmp, [\rb, #UART_LSR << 2] + and \tmp, \tmp, #UART_LSR_TEMT | UART_LSR_THRE + teq \tmp, #UART_LSR_TEMT | UART_LSR_THRE + bne 1001b + .endm +#endif .macro waituart,rd,rx .endm -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
