search for: remapped_io_base

See http://www.gossamer-threads.com/lists/xen/devel/297170 for some information on how to get this going. I''ve rebased and addressed the review comments. As before several of the patches are not to be applied because they can be done better using infrastructure from Julien''s "Allow Xen to boot with a raw Device Tree" patch. They are included for completeness. With

.../fixmap.h> +#endif /* * Configure serial port with a string: @@ -37,7 +40,7 @@ string_param("com2", opt_com2); static struct ns16550 { int baud, clock_hz, data_bits, parity, stop_bits, irq; unsigned long io_base; /* I/O port or memory-mapped I/O address. */ - char *remapped_io_base; /* Remapped virtual address of mmap I/O. */ + char __iomem *remapped_io_base; /* Remapped virtual address of MMIO. */ /* UART with IRQ line: interrupt-driven I/O. */ struct irqaction irqaction; /* UART with no IRQ line: periodically-polled I/O. */ @@ -207,17 +210,20 @@ static...

See http://www.gossamer-threads.com/lists/xen/devel/297170 for some information on how to get this going. I''ve rebased and addressed the review comments. With this rebase I''ve picked up some patches from Julien which were required to do things properly, so the gic v7 and device blacklisting patches have been changed to use the proper mechanisms. Previously I was able to boot

...lt;3) - -/* Frequency of external clock source. This definition assumes PC platform. */ -#define UART_CLOCK_HZ 1843200 - -/* Resume retry settings */ -#define RESUME_DELAY MILLISECS(10) -#define RESUME_RETRIES 100 - static char ns_read_reg(struct ns16550 *uart, int reg) { if ( uart->remapped_io_base == NULL ) diff --git a/xen/include/xen/ns16550-uart.h b/xen/include/xen/ns16550-uart.h new file mode 100644 index 0000000..ee6e3e7 --- /dev/null +++ b/xen/include/xen/ns16550-uart.h @@ -0,0 +1,104 @@ +/* + * xen/include/xen/ns16550-uart.h + * + * This header is extracted from driver/char/ns16550.c...