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Diffstat (limited to 'cpu/arm926ejs/at91/at91cap9_devices.c')
-rw-r--r--cpu/arm926ejs/at91/at91cap9_devices.c176
1 files changed, 176 insertions, 0 deletions
diff --git a/cpu/arm926ejs/at91/at91cap9_devices.c b/cpu/arm926ejs/at91/at91cap9_devices.c
new file mode 100644
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--- /dev/null
+++ b/cpu/arm926ejs/at91/at91cap9_devices.c
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+/*
+ * (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_PA22, 1); /* TXD0 */
+ at91_set_A_periph(AT91_PIN_PA23, 0); /* RXD0 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_US0);
+}
+
+void at91_serial1_hw_init(void)
+{
+ at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */
+ at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_US1);
+}
+
+void at91_serial2_hw_init(void)
+{
+ at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */
+ at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_US2);
+}
+
+void at91_serial3_hw_init(void)
+{
+ at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */
+ at91_set_A_periph(AT91_PIN_PC31, 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_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
+ at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
+ at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
+
+ /* Enable clock */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_SPI0);
+
+ if (cs_mask & (1 << 0)) {
+ at91_set_B_periph(AT91_PIN_PA5, 1);
+ }
+ if (cs_mask & (1 << 1)) {
+ at91_set_B_periph(AT91_PIN_PA3, 1);
+ }
+ if (cs_mask & (1 << 2)) {
+ at91_set_B_periph(AT91_PIN_PD0, 1);
+ }
+ if (cs_mask & (1 << 3)) {
+ at91_set_B_periph(AT91_PIN_PD1, 1);
+ }
+ if (cs_mask & (1 << 4)) {
+ at91_set_gpio_output(AT91_PIN_PA5, 1);
+ }
+ if (cs_mask & (1 << 5)) {
+ at91_set_gpio_output(AT91_PIN_PA3, 1);
+ }
+ if (cs_mask & (1 << 6)) {
+ at91_set_gpio_output(AT91_PIN_PD0, 1);
+ }
+ if (cs_mask & (1 << 7)) {
+ at91_set_gpio_output(AT91_PIN_PD1, 1);
+ }
+}
+
+void at91_spi1_hw_init(unsigned long cs_mask)
+{
+ at91_set_A_periph(AT91_PIN_PB12, 0); /* SPI1_MISO */
+ at91_set_A_periph(AT91_PIN_PB13, 0); /* SPI1_MOSI */
+ at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_SPCK */
+
+ /* Enable clock */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_SPI1);
+
+ if (cs_mask & (1 << 0)) {
+ at91_set_A_periph(AT91_PIN_PB15, 1);
+ }
+ if (cs_mask & (1 << 1)) {
+ at91_set_A_periph(AT91_PIN_PB16, 1);
+ }
+ if (cs_mask & (1 << 2)) {
+ at91_set_A_periph(AT91_PIN_PB17, 1);
+ }
+ if (cs_mask & (1 << 3)) {
+ at91_set_A_periph(AT91_PIN_PB18, 1);
+ }
+ if (cs_mask & (1 << 4)) {
+ at91_set_gpio_output(AT91_PIN_PB15, 1);
+ }
+ if (cs_mask & (1 << 5)) {
+ at91_set_gpio_output(AT91_PIN_PB16, 1);
+ }
+ if (cs_mask & (1 << 6)) {
+ at91_set_gpio_output(AT91_PIN_PB17, 1);
+ }
+ if (cs_mask & (1 << 7)) {
+ at91_set_gpio_output(AT91_PIN_PB18, 1);
+ }
+
+}
+#endif
+
+#ifdef CONFIG_MACB
+void at91_macb_hw_init(void)
+{
+ at91_set_A_periph(AT91_PIN_PB21, 0); /* ETXCK_EREFCK */
+ at91_set_A_periph(AT91_PIN_PB22, 0); /* ERXDV */
+ at91_set_A_periph(AT91_PIN_PB25, 0); /* ERX0 */
+ at91_set_A_periph(AT91_PIN_PB26, 0); /* ERX1 */
+ at91_set_A_periph(AT91_PIN_PB27, 0); /* ERXER */
+ at91_set_A_periph(AT91_PIN_PB28, 0); /* ETXEN */
+ at91_set_A_periph(AT91_PIN_PB23, 0); /* ETX0 */
+ at91_set_A_periph(AT91_PIN_PB24, 0); /* ETX1 */
+ at91_set_A_periph(AT91_PIN_PB30, 0); /* EMDIO */
+ at91_set_A_periph(AT91_PIN_PB29, 0); /* EMDC */
+
+#ifndef CONFIG_RMII
+ at91_set_B_periph(AT91_PIN_PC25, 0); /* ECRS */
+ at91_set_B_periph(AT91_PIN_PC26, 0); /* ECOL */
+ at91_set_B_periph(AT91_PIN_PC22, 0); /* ERX2 */
+ at91_set_B_periph(AT91_PIN_PC23, 0); /* ERX3 */
+ at91_set_B_periph(AT91_PIN_PC27, 0); /* ERXCK */
+ at91_set_B_periph(AT91_PIN_PC20, 0); /* ETX2 */
+ at91_set_B_periph(AT91_PIN_PC21, 0); /* ETX3 */
+ at91_set_B_periph(AT91_PIN_PC24, 0); /* ETXER */
+#endif
+}
+#endif