X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Farch%2Farm%2Fcpu%2Farm926ejs%2Fat91%2Fat91sam9260_devices.c;fp=qemu%2Froms%2Fu-boot%2Farch%2Farm%2Fcpu%2Farm926ejs%2Fat91%2Fat91sam9260_devices.c;h=cae4abcdf48fda5314b665a2ab47e5e093ace481;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c b/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c
new file mode 100644
index 000000000..cae4abcdf
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c
@@ -0,0 +1,209 @@
+/*
+ * (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_PORTB, 4, 1);		/* TXD0 */
+	at91_set_a_periph(AT91_PIO_PORTB, 5, 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_PORTB, 6, 1);		/* TXD1 */
+	at91_set_a_periph(AT91_PIO_PORTB, 7, 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_PORTB, 8, 1);		/* TXD2 */
+	at91_set_a_periph(AT91_PIO_PORTB, 9, 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_PORTB, 14, PUP);		/* DRXD */
+	at91_set_a_periph(AT91_PIO_PORTB, 15, 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, 0, PUP);	/* SPI0_MISO */
+	at91_set_a_periph(AT91_PIO_PORTA, 1, PUP);	/* SPI0_MOSI */
+	at91_set_a_periph(AT91_PIO_PORTA, 2, PUP);	/* SPI0_SPCK */
+
+	/* Enable clock */
+	writel(1 << ATMEL_ID_SPI0, &pmc->pcer);
+
+	if (cs_mask & (1 << 0)) {
+		at91_set_a_periph(AT91_PIO_PORTA, 3, 1);
+	}
+	if (cs_mask & (1 << 1)) {
+		at91_set_b_periph(AT91_PIO_PORTC, 11, 1);
+	}
+	if (cs_mask & (1 << 2)) {
+		at91_set_b_periph(AT91_PIO_PORTC, 16, 1);
+	}
+	if (cs_mask & (1 << 3)) {
+		at91_set_b_periph(AT91_PIO_PORTC, 17, 1);
+	}
+	if (cs_mask & (1 << 4)) {
+		at91_set_pio_output(AT91_PIO_PORTA, 3, 1);
+	}
+	if (cs_mask & (1 << 5)) {
+		at91_set_pio_output(AT91_PIO_PORTC, 11, 1);
+	}
+	if (cs_mask & (1 << 6)) {
+		at91_set_pio_output(AT91_PIO_PORTC, 16, 1);
+	}
+	if (cs_mask & (1 << 7)) {
+		at91_set_pio_output(AT91_PIO_PORTC, 17, 1);
+	}
+}
+
+void at91_spi1_hw_init(unsigned long cs_mask)
+{
+	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
+
+	at91_set_a_periph(AT91_PIO_PORTB, 0, PUP);	/* SPI1_MISO */
+	at91_set_a_periph(AT91_PIO_PORTB, 1, PUP);	/* SPI1_MOSI */
+	at91_set_a_periph(AT91_PIO_PORTB, 2, PUP);	/* SPI1_SPCK */
+
+	/* Enable clock */
+	writel(1 << ATMEL_ID_SPI1, &pmc->pcer);
+
+	if (cs_mask & (1 << 0)) {
+		at91_set_a_periph(AT91_PIO_PORTB, 3, 1);
+	}
+	if (cs_mask & (1 << 1)) {
+		at91_set_b_periph(AT91_PIO_PORTC, 5, 1);
+	}
+	if (cs_mask & (1 << 2)) {
+		at91_set_b_periph(AT91_PIO_PORTC, 4, 1);
+	}
+	if (cs_mask & (1 << 3)) {
+		at91_set_b_periph(AT91_PIO_PORTC, 3, 1);
+	}
+	if (cs_mask & (1 << 4)) {
+		at91_set_pio_output(AT91_PIO_PORTB, 3, 1);
+	}
+	if (cs_mask & (1 << 5)) {
+		at91_set_pio_output(AT91_PIO_PORTC, 5, 1);
+	}
+	if (cs_mask & (1 << 6)) {
+		at91_set_pio_output(AT91_PIO_PORTC, 4, 1);
+	}
+	if (cs_mask & (1 << 7)) {
+		at91_set_pio_output(AT91_PIO_PORTC, 3, 1);
+	}
+}
+#endif
+
+#ifdef CONFIG_MACB
+void at91_macb_hw_init(void)
+{
+	/* Enable EMAC clock */
+	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+	writel(1 << ATMEL_ID_EMAC0, &pmc->pcer);
+
+	at91_set_a_periph(AT91_PIO_PORTA, 19, 0);	/* ETXCK_EREFCK */
+	at91_set_a_periph(AT91_PIO_PORTA, 17, 0);	/* ERXDV */
+	at91_set_a_periph(AT91_PIO_PORTA, 14, 0);	/* ERX0 */
+	at91_set_a_periph(AT91_PIO_PORTA, 15, 0);	/* ERX1 */
+	at91_set_a_periph(AT91_PIO_PORTA, 18, 0);	/* ERXER */
+	at91_set_a_periph(AT91_PIO_PORTA, 16, 0);	/* ETXEN */
+	at91_set_a_periph(AT91_PIO_PORTA, 12, 0);	/* ETX0 */
+	at91_set_a_periph(AT91_PIO_PORTA, 13, 0);	/* ETX1 */
+	at91_set_a_periph(AT91_PIO_PORTA, 21, 0);	/* EMDIO */
+	at91_set_a_periph(AT91_PIO_PORTA, 20, 0);	/* EMDC */
+
+#ifndef CONFIG_RMII
+	at91_set_b_periph(AT91_PIO_PORTA, 28, 0);	/* ECRS */
+	at91_set_b_periph(AT91_PIO_PORTA, 29, 0);	/* ECOL */
+	at91_set_b_periph(AT91_PIO_PORTA, 25, 0);	/* ERX2 */
+	at91_set_b_periph(AT91_PIO_PORTA, 26, 0);	/* ERX3 */
+	at91_set_b_periph(AT91_PIO_PORTA, 27, 0);	/* ERXCK */
+#if defined(CONFIG_AT91SAM9260EK) || defined(CONFIG_AFEB9260)
+	/*
+	 * use PA10, PA11 for ETX2, ETX3.
+	 * PA23 and PA24 are for TWI EEPROM
+	 */
+	at91_set_b_periph(AT91_PIO_PORTA, 10, 0);	/* ETX2 */
+	at91_set_b_periph(AT91_PIO_PORTA, 11, 0);	/* ETX3 */
+#else
+	at91_set_b_periph(AT91_PIO_PORTA, 23, 0);	/* ETX2 */
+	at91_set_b_periph(AT91_PIO_PORTA, 24, 0);	/* ETX3 */
+#if defined(CONFIG_AT91SAM9G20)
+	/* 9G20 BOOT ROM initializes those pins to multi-drive, undo that */
+	at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 0);
+	at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 0);
+#endif
+#endif
+	at91_set_b_periph(AT91_PIO_PORTA, 22, 0);	/* ETXER */
+#endif
+}
+#endif
+
+#if defined(CONFIG_GENERIC_ATMEL_MCI)
+void at91_mci_hw_init(void)
+{
+	/* Enable mci clock */
+	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+	writel(1 << ATMEL_ID_MCI, &pmc->pcer);
+
+	at91_set_a_periph(AT91_PIO_PORTA, 8, 1);	/* MCCK */
+#if defined(CONFIG_ATMEL_MCI_PORTB)
+	at91_set_b_periph(AT91_PIO_PORTA, 1, 1);	/* MCCDB */
+	at91_set_b_periph(AT91_PIO_PORTA, 0, 1);	/* MCDB0 */
+	at91_set_b_periph(AT91_PIO_PORTA, 5, 1);	/* MCDB1 */
+	at91_set_b_periph(AT91_PIO_PORTA, 4, 1);	/* MCDB2 */
+	at91_set_b_periph(AT91_PIO_PORTA, 3, 1);	/* MCDB3 */
+#else
+	at91_set_a_periph(AT91_PIO_PORTA, 7, 1);	/* MCCDA */
+	at91_set_a_periph(AT91_PIO_PORTA, 6, 1);	/* MCDA0 */
+	at91_set_a_periph(AT91_PIO_PORTA, 9, 1);	/* MCDA1 */
+	at91_set_a_periph(AT91_PIO_PORTA, 10, 1);	/* MCDA2 */
+	at91_set_a_periph(AT91_PIO_PORTA, 11, 1);	/* MCDA3 */
+#endif
+}
+#endif