| /* |
| * (C) Copyright 2007-2008 |
| * Stelian Pop <stelian.pop@leadtechdesign.com> |
| * Lead Tech Design <www.leadtechdesign.com> |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #include <common.h> |
| #include <asm/arch/at91_common.h> |
| #include <asm/arch/at91_pmc.h> |
| #include <asm/arch/gpio.h> |
| #include <asm/arch/io.h> |
| |
| void at91_serial0_hw_init(void) |
| { |
| at91_set_A_periph(AT91_PIN_PC8, 1); /* TXD0 */ |
| at91_set_A_periph(AT91_PIN_PC9, 0); /* RXD0 */ |
| at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US0); |
| } |
| |
| void at91_serial1_hw_init(void) |
| { |
| at91_set_A_periph(AT91_PIN_PC12, 1); /* TXD1 */ |
| at91_set_A_periph(AT91_PIN_PC13, 0); /* RXD1 */ |
| at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US1); |
| } |
| |
| void at91_serial2_hw_init(void) |
| { |
| at91_set_A_periph(AT91_PIN_PC14, 1); /* TXD2 */ |
| at91_set_A_periph(AT91_PIN_PC15, 0); /* RXD2 */ |
| at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US2); |
| } |
| |
| void at91_serial3_hw_init(void) |
| { |
| at91_set_A_periph(AT91_PIN_PA9, 0); /* DRXD */ |
| at91_set_A_periph(AT91_PIN_PA10, 1); /* DTXD */ |
| at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS); |
| } |
| |
| void at91_serial_hw_init(void) |
| { |
| #ifdef CONFIG_USART0 |
| at91_serial0_hw_init(); |
| #endif |
| |
| #ifdef CONFIG_USART1 |
| at91_serial1_hw_init(); |
| #endif |
| |
| #ifdef CONFIG_USART2 |
| at91_serial2_hw_init(); |
| #endif |
| |
| #ifdef CONFIG_USART3 /* DBGU */ |
| at91_serial3_hw_init(); |
| #endif |
| } |
| |
| #ifdef CONFIG_HAS_DATAFLASH |
| void at91_spi0_hw_init(unsigned long cs_mask) |
| { |
| at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ |
| at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ |
| at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ |
| |
| /* Enable clock */ |
| at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_SPI0); |
| |
| if (cs_mask & (1 << 0)) { |
| at91_set_A_periph(AT91_PIN_PA3, 1); |
| } |
| if (cs_mask & (1 << 1)) { |
| at91_set_A_periph(AT91_PIN_PA4, 1); |
| } |
| if (cs_mask & (1 << 2)) { |
| at91_set_A_periph(AT91_PIN_PA5, 1); |
| } |
| if (cs_mask & (1 << 3)) { |
| at91_set_A_periph(AT91_PIN_PA6, 1); |
| } |
| if (cs_mask & (1 << 4)) { |
| at91_set_gpio_output(AT91_PIN_PA3, 1); |
| } |
| if (cs_mask & (1 << 5)) { |
| at91_set_gpio_output(AT91_PIN_PA4, 1); |
| } |
| if (cs_mask & (1 << 6)) { |
| at91_set_gpio_output(AT91_PIN_PA5, 1); |
| } |
| if (cs_mask & (1 << 7)) { |
| at91_set_gpio_output(AT91_PIN_PA6, 1); |
| } |
| } |
| |
| void at91_spi1_hw_init(unsigned long cs_mask) |
| { |
| at91_set_A_periph(AT91_PIN_PB30, 0); /* SPI1_MISO */ |
| at91_set_A_periph(AT91_PIN_PB31, 0); /* SPI1_MOSI */ |
| at91_set_A_periph(AT91_PIN_PB29, 0); /* SPI1_SPCK */ |
| |
| /* Enable clock */ |
| at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_SPI1); |
| |
| if (cs_mask & (1 << 0)) { |
| at91_set_A_periph(AT91_PIN_PB28, 1); |
| } |
| if (cs_mask & (1 << 1)) { |
| at91_set_B_periph(AT91_PIN_PA24, 1); |
| } |
| if (cs_mask & (1 << 2)) { |
| at91_set_B_periph(AT91_PIN_PA25, 1); |
| } |
| if (cs_mask & (1 << 3)) { |
| at91_set_A_periph(AT91_PIN_PA26, 1); |
| } |
| if (cs_mask & (1 << 4)) { |
| at91_set_gpio_output(AT91_PIN_PB28, 1); |
| } |
| if (cs_mask & (1 << 5)) { |
| at91_set_gpio_output(AT91_PIN_PA24, 1); |
| } |
| if (cs_mask & (1 << 6)) { |
| at91_set_gpio_output(AT91_PIN_PA25, 1); |
| } |
| if (cs_mask & (1 << 7)) { |
| at91_set_gpio_output(AT91_PIN_PA26, 1); |
| } |
| } |
| #endif |