Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / calao / sbc35_a9g20 / spi.c

diff --git a/qemu/roms/u-boot/board/calao/sbc35_a9g20/spi.c b/qemu/roms/u-boot/board/calao/sbc35_a9g20/spi.c
new file mode 100644 (file)
index 0000000..254c7a3
--- /dev/null
+++ b/qemu/roms/u-boot/board/calao/sbc35_a9g20/spi.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2009
+ * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/at91_spi.h>
+#include <asm/arch/gpio.h>
+#include <spi.h>
+
+#define SBC_A9260_CS0_PIN      AT91_PIN_PA3
+#define SBC_A9260_CS1_PIN      AT91_PIN_PC11
+
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+       return bus == 0 && (cs == 1 || cs == 0);
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+       if(slave->cs == 0)
+               at91_set_gpio_value(SBC_A9260_CS0_PIN, 0);
+       else if(slave->cs == 1)
+               at91_set_gpio_value(SBC_A9260_CS1_PIN, 0);
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+       if(slave->cs == 0)
+               at91_set_gpio_value(SBC_A9260_CS0_PIN, 1);
+       else if(slave->cs == 1)
+               at91_set_gpio_value(SBC_A9260_CS1_PIN, 1);
+}
+
+void spi_init_f(void)
+{
+       /* everything done in board_init */
+}