diff options
| author | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-08-31 13:57:37 -0400 |
|---|---|---|
| committer | Nicolas Pitre <nico@fluxnic.net> | 2011-09-26 10:11:25 -0400 |
| commit | dd185456efce7f326c058fc12fd0df17bd8466eb (patch) | |
| tree | 78abc6ff08a905c25eda49b7f67e6790c6257f7c /arch/arm/plat-omap/include/plat/uncompress.h | |
| parent | 639da5ee374ba8f070690bbd355ca30139ce145a (diff) | |
ARM: plat-omap: make OMAP_UART_INFO into a relative offset
This is the first step to remove PLAT_PHYS_OFFSET usage from the debug
UART code.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'arch/arm/plat-omap/include/plat/uncompress.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/uncompress.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h index a067484cc4a2..2f472e989ec6 100644 --- a/arch/arm/plat-omap/include/plat/uncompress.h +++ b/arch/arm/plat-omap/include/plat/uncompress.h @@ -36,7 +36,13 @@ int uart_shift; */ static void set_omap_uart_info(unsigned char port) { - *(volatile u32 *)OMAP_UART_INFO = port; + /* + * Get address of some.bss variable and round it down + * a la CONFIG_AUTO_ZRELADDR. + */ + u32 ram_start = (u32)&uart_shift & 0xf8000000; + u32 *uart_info = (u32 *)(ram_start + OMAP_UART_INFO_OFS); + *uart_info = port; } static void putc(int c) |