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Diffstat (limited to 'arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c')
-rw-r--r--arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c
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index 0000000000..6eaeac0fc2
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c
@@ -0,0 +1,177 @@
+/*
+ * (C) Copyright 2013 Atmel Corporation
+ * Josh Wu <josh.wu@atmel.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/io.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_pio.h>
+
+unsigned int has_lcdc()
+{
+ return 1;
+}
+
+void at91_serial0_hw_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTA, 0, 1); /* TXD0 */
+ at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* RXD0 */
+ writel(1 << ATMEL_ID_USART0, &pmc->pcer);
+}
+
+void at91_serial1_hw_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTA, 5, 1); /* TXD1 */
+ at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* RXD1 */
+ writel(1 << ATMEL_ID_USART1, &pmc->pcer);
+}
+
+void at91_serial2_hw_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTA, 7, 1); /* TXD2 */
+ at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* RXD2 */
+ writel(1 << ATMEL_ID_USART2, &pmc->pcer);
+}
+
+void at91_serial3_hw_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ at91_set_b_periph(AT91_PIO_PORTC, 22, 1); /* TXD3 */
+ at91_set_b_periph(AT91_PIO_PORTC, 23, 0); /* RXD3 */
+ writel(1 << ATMEL_ID_USART3, &pmc->pcer);
+}
+
+void at91_seriald_hw_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */
+ at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* DRXD */
+ writel(1 << ATMEL_ID_SYS, &pmc->pcer);
+}
+
+#ifdef CONFIG_ATMEL_SPI
+void at91_spi0_hw_init(unsigned long cs_mask)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* SPI0_MISO */
+ at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* SPI0_MOSI */
+ at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* SPI0_SPCK */
+
+ /* Enable clock */
+ writel(1 << ATMEL_ID_SPI0, &pmc->pcer);
+
+ if (cs_mask & (1 << 0))
+ at91_set_pio_output(AT91_PIO_PORTA, 14, 1);
+ if (cs_mask & (1 << 1))
+ at91_set_pio_output(AT91_PIO_PORTA, 7, 1);
+ if (cs_mask & (1 << 2))
+ at91_set_pio_output(AT91_PIO_PORTA, 1, 1);
+ if (cs_mask & (1 << 3))
+ at91_set_pio_output(AT91_PIO_PORTB, 3, 1);
+}
+
+void at91_spi1_hw_init(unsigned long cs_mask)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ at91_set_b_periph(AT91_PIO_PORTA, 21, 0); /* SPI1_MISO */
+ at91_set_b_periph(AT91_PIO_PORTA, 22, 0); /* SPI1_MOSI */
+ at91_set_b_periph(AT91_PIO_PORTA, 23, 0); /* SPI1_SPCK */
+
+ /* Enable clock */
+ writel(1 << ATMEL_ID_SPI1, &pmc->pcer);
+
+ if (cs_mask & (1 << 0))
+ at91_set_pio_output(AT91_PIO_PORTA, 8, 1);
+ if (cs_mask & (1 << 1))
+ at91_set_pio_output(AT91_PIO_PORTA, 0, 1);
+ if (cs_mask & (1 << 2))
+ at91_set_pio_output(AT91_PIO_PORTA, 31, 1);
+ if (cs_mask & (1 << 3))
+ at91_set_pio_output(AT91_PIO_PORTA, 30, 1);
+}
+#endif
+
+void at91_mci_hw_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* MCCK */
+ at91_set_a_periph(AT91_PIO_PORTA, 16, 0); /* MCCDA */
+ at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* MCDA0 */
+ at91_set_a_periph(AT91_PIO_PORTA, 18, 0); /* MCDA1 */
+ at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* MCDA2 */
+ at91_set_a_periph(AT91_PIO_PORTA, 20, 0); /* MCDA3 */
+
+ writel(1 << ATMEL_ID_HSMCI0, &pmc->pcer);
+}
+
+#ifdef CONFIG_LCD
+void at91_lcd_hw_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDDPWR */
+ at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDVSYNC */
+ at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDHSYNC */
+ at91_set_a_periph(AT91_PIO_PORTC, 28, 0); /* LCDDOTCK */
+ at91_set_a_periph(AT91_PIO_PORTC, 29, 0); /* LCDDEN */
+ at91_set_a_periph(AT91_PIO_PORTC, 30, 0); /* LCDDOTCK */
+
+ at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDD0 */
+ at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDD1 */
+ at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDD2 */
+ at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDD3 */
+ at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* LCDD4 */
+ at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* LCDD5 */
+ at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD6 */
+ at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD7 */
+ at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD8 */
+ at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD9 */
+ at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD10 */
+ at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD11 */
+ at91_set_a_periph(AT91_PIO_PORTC, 12, 0); /* LCDD12 */
+ at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDD13 */
+ at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD14 */
+ at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD15 */
+ at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD16 */
+ at91_set_a_periph(AT91_PIO_PORTC, 17, 0); /* LCDD17 */
+ at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD18 */
+ at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD19 */
+ at91_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDD20 */
+ at91_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDD21 */
+ at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD22 */
+ at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD23 */
+
+ writel(1 << ATMEL_ID_LCDC, &pmc->pcer);
+}
+#endif