Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 125 insertions, 0 deletions

diff --git a/arch/arm/mach-ep93xx/micro9.c b/arch/arm/mach-ep93xx/micro9.c
new file mode 100644
index 000000000..c121c459a
--- /dev/null
+++ b/arch/arm/mach-ep93xx/micro9.c
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  linux/arch/arm/mach-ep93xx/micro9.c
+ *
+ * Copyright (C) 2006 Contec Steuerungstechnik & Automation GmbH
+ *                    Manfred Gruber <m.gruber@tirol.com>
+ * Copyright (C) 2009 Contec Steuerungstechnik & Automation GmbH
+ *                    Hubert Feurstein <hubert.feurstein@contec.at>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
+#include "hardware.h"
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include "soc.h"
+
+/*************************************************************************
+ * Micro9 NOR Flash
+ *
+ * Micro9-High has up to 64MB of 32-bit flash on CS1
+ * Micro9-Mid has up to 64MB of either 32-bit or 16-bit flash on CS1
+ * Micro9-Lite uses a separate MTD map driver for flash support
+ * Micro9-Slim has up to 64MB of either 32-bit or 16-bit flash on CS1
+ *************************************************************************/
+static unsigned int __init micro9_detect_bootwidth(void)
+{
+	u32 v;
+
+	/* Detect the bus width of the external flash memory */
+	v = __raw_readl(EP93XX_SYSCON_SYSCFG);
+	if (v & EP93XX_SYSCON_SYSCFG_LCSN7)
+		return 4; /* 32-bit */
+	else
+		return 2; /* 16-bit */
+}
+
+static void __init micro9_register_flash(void)
+{
+	unsigned int width;
+
+	if (machine_is_micro9())
+		width = 4;
+	else if (machine_is_micro9m() || machine_is_micro9s())
+		width = micro9_detect_bootwidth();
+	else
+		width = 0;
+
+	if (width)
+		ep93xx_register_flash(width, EP93XX_CS1_PHYS_BASE, SZ_64M);
+}
+
+
+/*************************************************************************
+ * Micro9 Ethernet
+ *************************************************************************/
+static struct ep93xx_eth_data __initdata micro9_eth_data = {
+	.phy_id		= 0x1f,
+};
+
+
+static void __init micro9_init_machine(void)
+{
+	ep93xx_init_devices();
+	ep93xx_register_eth(&micro9_eth_data, 1);
+	micro9_register_flash();
+}
+
+
+#ifdef CONFIG_MACH_MICRO9H
+MACHINE_START(MICRO9, "Contec Micro9-High")
+	/* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
+	.atag_offset	= 0x100,
+	.nr_irqs	= NR_EP93XX_IRQS,
+	.map_io		= ep93xx_map_io,
+	.init_irq	= ep93xx_init_irq,
+	.init_time	= ep93xx_timer_init,
+	.init_machine	= micro9_init_machine,
+	.restart	= ep93xx_restart,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_MICRO9M
+MACHINE_START(MICRO9M, "Contec Micro9-Mid")
+	/* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
+	.atag_offset	= 0x100,
+	.nr_irqs	= NR_EP93XX_IRQS,
+	.map_io		= ep93xx_map_io,
+	.init_irq	= ep93xx_init_irq,
+	.init_time	= ep93xx_timer_init,
+	.init_machine	= micro9_init_machine,
+	.restart	= ep93xx_restart,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_MICRO9L
+MACHINE_START(MICRO9L, "Contec Micro9-Lite")
+	/* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
+	.atag_offset	= 0x100,
+	.nr_irqs	= NR_EP93XX_IRQS,
+	.map_io		= ep93xx_map_io,
+	.init_irq	= ep93xx_init_irq,
+	.init_time	= ep93xx_timer_init,
+	.init_machine	= micro9_init_machine,
+	.restart	= ep93xx_restart,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_MICRO9S
+MACHINE_START(MICRO9S, "Contec Micro9-Slim")
+	/* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
+	.atag_offset	= 0x100,
+	.nr_irqs	= NR_EP93XX_IRQS,
+	.map_io		= ep93xx_map_io,
+	.init_irq	= ep93xx_init_irq,
+	.init_time	= ep93xx_timer_init,
+	.init_machine	= micro9_init_machine,
+	.restart	= ep93xx_restart,
+MACHINE_END
+#endif