| /* |
| * Copyright (C) 2006 Atmel Corporation |
| * |
| * 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/io.h> |
| |
| #include <asm/arch/chip-features.h> |
| #include <asm/arch/gpio.h> |
| #include <asm/arch/memory-map.h> |
| |
| /* |
| * Lots of small functions here. We depend on --gc-sections getting |
| * rid of the ones we don't need. |
| */ |
| void gpio_enable_ebi(void) |
| { |
| #ifdef CONFIG_SYS_HSDRAMC |
| #ifndef CONFIG_SYS_SDRAM_16BIT |
| gpio_select_periph_A(GPIO_PIN_PE0, 0); |
| gpio_select_periph_A(GPIO_PIN_PE1, 0); |
| gpio_select_periph_A(GPIO_PIN_PE2, 0); |
| gpio_select_periph_A(GPIO_PIN_PE3, 0); |
| gpio_select_periph_A(GPIO_PIN_PE4, 0); |
| gpio_select_periph_A(GPIO_PIN_PE5, 0); |
| gpio_select_periph_A(GPIO_PIN_PE6, 0); |
| gpio_select_periph_A(GPIO_PIN_PE7, 0); |
| gpio_select_periph_A(GPIO_PIN_PE8, 0); |
| gpio_select_periph_A(GPIO_PIN_PE9, 0); |
| gpio_select_periph_A(GPIO_PIN_PE10, 0); |
| gpio_select_periph_A(GPIO_PIN_PE11, 0); |
| gpio_select_periph_A(GPIO_PIN_PE12, 0); |
| gpio_select_periph_A(GPIO_PIN_PE13, 0); |
| gpio_select_periph_A(GPIO_PIN_PE14, 0); |
| gpio_select_periph_A(GPIO_PIN_PE15, 0); |
| #endif |
| gpio_select_periph_A(GPIO_PIN_PE26, 0); |
| #endif |
| } |
| |
| #ifdef AT32AP700x_CHIP_HAS_USART |
| void gpio_enable_usart0(void) |
| { |
| gpio_select_periph_B(GPIO_PIN_PA8, 0); |
| gpio_select_periph_B(GPIO_PIN_PA9, 0); |
| } |
| |
| void gpio_enable_usart1(void) |
| { |
| gpio_select_periph_A(GPIO_PIN_PA17, 0); |
| gpio_select_periph_A(GPIO_PIN_PA18, 0); |
| } |
| |
| void gpio_enable_usart2(void) |
| { |
| gpio_select_periph_B(GPIO_PIN_PB26, 0); |
| gpio_select_periph_B(GPIO_PIN_PB27, 0); |
| } |
| |
| void gpio_enable_usart3(void) |
| { |
| gpio_select_periph_B(GPIO_PIN_PB17, 0); |
| gpio_select_periph_B(GPIO_PIN_PB18, 0); |
| } |
| #endif |
| |
| #ifdef AT32AP700x_CHIP_HAS_MACB |
| void gpio_enable_macb0(void) |
| { |
| gpio_select_periph_A(GPIO_PIN_PC3, 0); /* TXD0 */ |
| gpio_select_periph_A(GPIO_PIN_PC4, 0); /* TXD1 */ |
| gpio_select_periph_A(GPIO_PIN_PC7, 0); /* TXEN */ |
| gpio_select_periph_A(GPIO_PIN_PC8, 0); /* TXCK */ |
| gpio_select_periph_A(GPIO_PIN_PC9, 0); /* RXD0 */ |
| gpio_select_periph_A(GPIO_PIN_PC10, 0); /* RXD1 */ |
| gpio_select_periph_A(GPIO_PIN_PC13, 0); /* RXER */ |
| gpio_select_periph_A(GPIO_PIN_PC15, 0); /* RXDV */ |
| gpio_select_periph_A(GPIO_PIN_PC16, 0); /* MDC */ |
| gpio_select_periph_A(GPIO_PIN_PC17, 0); /* MDIO */ |
| #if !defined(CONFIG_RMII) |
| gpio_select_periph_A(GPIO_PIN_PC0, 0); /* COL */ |
| gpio_select_periph_A(GPIO_PIN_PC1, 0); /* CRS */ |
| gpio_select_periph_A(GPIO_PIN_PC2, 0); /* TXER */ |
| gpio_select_periph_A(GPIO_PIN_PC5, 0); /* TXD2 */ |
| gpio_select_periph_A(GPIO_PIN_PC6, 0); /* TXD3 */ |
| gpio_select_periph_A(GPIO_PIN_PC11, 0); /* RXD2 */ |
| gpio_select_periph_A(GPIO_PIN_PC12, 0); /* RXD3 */ |
| gpio_select_periph_A(GPIO_PIN_PC14, 0); /* RXCK */ |
| gpio_select_periph_A(GPIO_PIN_PC18, 0); /* SPD */ |
| #endif |
| } |
| |
| void gpio_enable_macb1(void) |
| { |
| gpio_select_periph_B(GPIO_PIN_PD13, 0); /* TXD0 */ |
| gpio_select_periph_B(GPIO_PIN_PD14, 0); /* TXD1 */ |
| gpio_select_periph_B(GPIO_PIN_PD11, 0); /* TXEN */ |
| gpio_select_periph_B(GPIO_PIN_PD12, 0); /* TXCK */ |
| gpio_select_periph_B(GPIO_PIN_PD10, 0); /* RXD0 */ |
| gpio_select_periph_B(GPIO_PIN_PD6, 0); /* RXD1 */ |
| gpio_select_periph_B(GPIO_PIN_PD5, 0); /* RXER */ |
| gpio_select_periph_B(GPIO_PIN_PD4, 0); /* RXDV */ |
| gpio_select_periph_B(GPIO_PIN_PD3, 0); /* MDC */ |
| gpio_select_periph_B(GPIO_PIN_PD2, 0); /* MDIO */ |
| #if !defined(CONFIG_RMII) |
| gpio_select_periph_B(GPIO_PIN_PC19, 0); /* COL */ |
| gpio_select_periph_B(GPIO_PIN_PC23, 0); /* CRS */ |
| gpio_select_periph_B(GPIO_PIN_PC26, 0); /* TXER */ |
| gpio_select_periph_B(GPIO_PIN_PC27, 0); /* TXD2 */ |
| gpio_select_periph_B(GPIO_PIN_PC28, 0); /* TXD3 */ |
| gpio_select_periph_B(GPIO_PIN_PC29, 0); /* RXD2 */ |
| gpio_select_periph_B(GPIO_PIN_PC30, 0); /* RXD3 */ |
| gpio_select_periph_B(GPIO_PIN_PC24, 0); /* RXCK */ |
| gpio_select_periph_B(GPIO_PIN_PD15, 0); /* SPD */ |
| #endif |
| } |
| #endif |
| |
| #ifdef AT32AP700x_CHIP_HAS_MMCI |
| void gpio_enable_mmci(void) |
| { |
| gpio_select_periph_A(GPIO_PIN_PA10, 0); /* CLK */ |
| gpio_select_periph_A(GPIO_PIN_PA11, 0); /* CMD */ |
| gpio_select_periph_A(GPIO_PIN_PA12, 0); /* DATA0 */ |
| gpio_select_periph_A(GPIO_PIN_PA13, 0); /* DATA1 */ |
| gpio_select_periph_A(GPIO_PIN_PA14, 0); /* DATA2 */ |
| gpio_select_periph_A(GPIO_PIN_PA15, 0); /* DATA3 */ |
| } |
| #endif |
| |
| #ifdef AT32AP700x_CHIP_HAS_SPI |
| void gpio_enable_spi0(unsigned long cs_mask) |
| { |
| gpio_select_periph_A(GPIO_PIN_PA0, 0); /* MISO */ |
| gpio_select_periph_A(GPIO_PIN_PA1, 0); /* MOSI */ |
| gpio_select_periph_A(GPIO_PIN_PA2, 0); /* SCK */ |
| |
| /* Set up NPCSx as GPIO outputs, initially high */ |
| if (cs_mask & (1 << 0)) { |
| gpio_set_value(GPIO_PIN_PA3, 1); |
| gpio_select_pio(GPIO_PIN_PA3, GPIOF_OUTPUT); |
| } |
| if (cs_mask & (1 << 1)) { |
| gpio_set_value(GPIO_PIN_PA4, 1); |
| gpio_select_pio(GPIO_PIN_PA4, GPIOF_OUTPUT); |
| } |
| if (cs_mask & (1 << 2)) { |
| gpio_set_value(GPIO_PIN_PA5, 1); |
| gpio_select_pio(GPIO_PIN_PA5, GPIOF_OUTPUT); |
| } |
| if (cs_mask & (1 << 3)) { |
| gpio_set_value(GPIO_PIN_PA20, 1); |
| gpio_select_pio(GPIO_PIN_PA20, GPIOF_OUTPUT); |
| } |
| } |
| |
| void gpio_enable_spi1(unsigned long cs_mask) |
| { |
| gpio_select_periph_B(GPIO_PIN_PA0, 0); /* MISO */ |
| gpio_select_periph_B(GPIO_PIN_PB1, 0); /* MOSI */ |
| gpio_select_periph_B(GPIO_PIN_PB5, 0); /* SCK */ |
| |
| /* Set up NPCSx as GPIO outputs, initially high */ |
| if (cs_mask & (1 << 0)) { |
| gpio_set_value(GPIO_PIN_PB2, 1); |
| gpio_select_pio(GPIO_PIN_PB2, GPIOF_OUTPUT); |
| } |
| if (cs_mask & (1 << 1)) { |
| gpio_set_value(GPIO_PIN_PB3, 1); |
| gpio_select_pio(GPIO_PIN_PB3, GPIOF_OUTPUT); |
| } |
| if (cs_mask & (1 << 2)) { |
| gpio_set_value(GPIO_PIN_PB4, 1); |
| gpio_select_pio(GPIO_PIN_PB4, GPIOF_OUTPUT); |
| } |
| if (cs_mask & (1 << 3)) { |
| gpio_set_value(GPIO_PIN_PA27, 1); |
| gpio_select_pio(GPIO_PIN_PA27, GPIOF_OUTPUT); |
| } |
| } |
| #endif |