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Commit a1604f91 authored by Matt Porter's avatar Matt Porter Committed by Linus Torvalds
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[PATCH] cpm_uart: Route SCC2 pins for the STx GP3 board 



Adds SCC2 pin routing specific to the GP3 board.

Signed-off-by: default avatarMatt Porter <mporter@kernel.crashing.org>
Signed-off-by: default avatarKumar Gala <kumar.gala@freescale.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent b264c352

drivers/serial/cpm_uart/cpm_uart_cpm2.c

+9 −0
Original line number Diff line number Diff line
@@ -134,12 +134,21 @@ void scc1_lineif(struct uart_cpm_port *pinfo) 


void scc2_lineif(struct uart_cpm_port *pinfo)

{

	/*

	 * STx GP3 uses the SCC2 secondary option pin assignment

	 * which this driver doesn't account for in the static

	 * pin assignments. This kind of board specific info

	 * really has to get out of the driver so boards can

	 * be supported in a sane fashion.

	 */

#ifndef CONFIG_STX_GP3

	volatile iop_cpm2_t *io = &cpm2_immr->im_ioport;

	io->iop_pparb |= 0x008b0000;

	io->iop_pdirb |= 0x00880000;

	io->iop_psorb |= 0x00880000;

	io->iop_pdirb &= ~0x00030000;

	io->iop_psorb &= ~0x00030000;

#endif

	cpm2_immr->im_cpmux.cmx_scr &= 0xff00ffff;

	cpm2_immr->im_cpmux.cmx_scr |= 0x00090000;

	pinfo->brg = 2;