3 * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
5 * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <asm/arch/mx31-regs.h>
28 #include <asm/arch/mx31.h>
30 #ifdef CONFIG_SYS_MX31_UART1
31 void mx31_uart1_hw_init(void)
33 /* setup pins for UART1 */
34 mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
35 mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
36 mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
37 mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
42 void mx31_spi2_hw_init(void)
45 mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B);
46 mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
47 mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
48 mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
49 mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
50 mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
51 mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B);
53 /* start SPI2 clock */
54 __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4);