1 files changed, 103 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/arm926ejs/at91/at91sam9rl_devices.c b/roms/u-boot/arch/arm/cpu/arm926ejs/at91/at91sam9rl_devices.c
new file mode 100644
index 00000000..0ec32c3a
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm926ejs/at91/at91sam9rl_devices.c
@@ -0,0 +1,103 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian@popies.net>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+
+/*
+ * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all
+ * peripheral pins. Good to have if hardware is soldered optionally
+ * or in case of SPI no slave is selected. Avoid lines to float
+ * needlessly. Use a short local PUP define.
+ *
+ * Due to errata "TXD floats when CTS is inactive" pullups are always
+ * on for TXD pins.
+ */
+#ifdef CONFIG_AT91_GPIO_PULLUP
+# define PUP CONFIG_AT91_GPIO_PULLUP
+#else
+# define PUP 0
+#endif
+
+void at91_serial0_hw_init(void)
+{
+	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
+
+	at91_set_a_periph(AT91_PIO_PORTA, 6, 1);		/* TXD0 */
+	at91_set_a_periph(AT91_PIO_PORTA, 7, PUP);		/* RXD0 */
+	writel(1 << ATMEL_ID_USART0, &pmc->pcer);
+}
+
+void at91_serial1_hw_init(void)
+{
+	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
+
+	at91_set_a_periph(AT91_PIO_PORTA, 11, 1);		/* TXD1 */
+	at91_set_a_periph(AT91_PIO_PORTA, 12, PUP);		/* RXD1 */
+	writel(1 << ATMEL_ID_USART1, &pmc->pcer);
+}
+
+void at91_serial2_hw_init(void)
+{
+	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
+
+	at91_set_a_periph(AT91_PIO_PORTA, 13, 1);		/* TXD2 */
+	at91_set_a_periph(AT91_PIO_PORTA, 14, PUP);		/* RXD2 */
+	writel(1 << ATMEL_ID_USART2, &pmc->pcer);
+}
+
+void at91_seriald_hw_init(void)
+{
+	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
+
+	at91_set_a_periph(AT91_PIO_PORTA, 21, PUP);		/* DRXD */
+	at91_set_a_periph(AT91_PIO_PORTA, 22, 1);		/* DTXD */
+	writel(1 << ATMEL_ID_SYS, &pmc->pcer);
+}
+
+#if defined(CONFIG_HAS_DATAFLASH) || defined(CONFIG_ATMEL_SPI)
+void at91_spi0_hw_init(unsigned long cs_mask)
+{
+	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
+
+	at91_set_a_periph(AT91_PIO_PORTA, 25, PUP);	/* SPI0_MISO */
+	at91_set_a_periph(AT91_PIO_PORTA, 26, PUP);	/* SPI0_MOSI */
+	at91_set_a_periph(AT91_PIO_PORTA, 27, PUP);	/* SPI0_SPCK */
+
+	/* Enable clock */
+	writel(1 << ATMEL_ID_SPI, &pmc->pcer);
+
+	if (cs_mask & (1 << 0)) {
+		at91_set_a_periph(AT91_PIO_PORTA, 28, 1);
+	}
+	if (cs_mask & (1 << 1)) {
+		at91_set_b_periph(AT91_PIO_PORTB, 7, 1);
+	}
+	if (cs_mask & (1 << 2)) {
+		at91_set_a_periph(AT91_PIO_PORTD, 8, 1);
+	}
+	if (cs_mask & (1 << 3)) {
+		at91_set_b_periph(AT91_PIO_PORTD, 9, 1);
+	}
+	if (cs_mask & (1 << 4)) {
+		at91_set_pio_output(AT91_PIO_PORTA, 28, 1);
+	}
+	if (cs_mask & (1 << 5)) {
+		at91_set_pio_output(AT91_PIO_PORTB, 7, 1);
+	}
+	if (cs_mask & (1 << 6)) {
+		at91_set_pio_output(AT91_PIO_PORTD, 8, 1);
+	}
+	if (cs_mask & (1 << 7)) {
+		at91_set_pio_output(AT91_PIO_PORTD, 9, 1);
+	}
+}
+#endif