On 12 December 2014 at 06:05, Bin Meng bmeng.cn@gmail.com wrote:
On most x86 boards, the legacy serial ports (io address 0x3f8/0x2f8) are provided by a superio chip connected to the LPC bus. We must program the superio chip so that serial ports are available for us.
Signed-off-by: Bin Meng bmeng.cn@gmail.com Acked-by: Simon Glass sjg@chromium.org
Changes in v3: None Changes in v2:
- Add a comment to describe PNP_DEV
- Change pnp device inline routine parameters to use proper size
arch/x86/include/asm/pnp_def.h | 90 ++++++++++++++++++++++++++++++++++++++++++ drivers/misc/Makefile | 1 + drivers/misc/smsc_lpc47m.c | 33 ++++++++++++++++ include/smsc_lpc47m.h | 19 +++++++++ 4 files changed, 143 insertions(+) create mode 100644 arch/x86/include/asm/pnp_def.h create mode 100644 drivers/misc/smsc_lpc47m.c create mode 100644 include/smsc_lpc47m.h
Applied to u-boot-x86, thanks!