[ARM] Add support for ARM RealView board

Support for RealView EB.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 142 insertions, 0 deletions

diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
new file mode 100644
index 00000000000..1279feeecf7
--- /dev/null
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -0,0 +1,142 @@
+/*
+ *  linux/arch/arm/mach-realview/realview_eb.c
+ *
+ *  Copyright (C) 2004 ARM Limited
+ *  Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * 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 <linux/config.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/sysdev.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/leds.h>
+#include <asm/mach-types.h>
+#include <asm/hardware/gic.h>
+#include <asm/hardware/amba.h>
+#include <asm/hardware/icst307.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/mmc.h>
+
+#include <asm/arch/irqs.h>
+
+#include "core.h"
+#include "clock.h"
+
+static struct map_desc realview_eb_io_desc[] __initdata = {
+ { IO_ADDRESS(REALVIEW_SYS_BASE),	REALVIEW_SYS_BASE,	SZ_4K,	MT_DEVICE },
+ { IO_ADDRESS(REALVIEW_GIC_CPU_BASE),	REALVIEW_GIC_CPU_BASE,	SZ_4K,	MT_DEVICE },
+ { IO_ADDRESS(REALVIEW_GIC_DIST_BASE),	REALVIEW_GIC_DIST_BASE,	SZ_4K,	MT_DEVICE },
+ { IO_ADDRESS(REALVIEW_SCTL_BASE),	REALVIEW_SCTL_BASE,	SZ_4K,	MT_DEVICE },
+ { IO_ADDRESS(REALVIEW_TIMER0_1_BASE),	REALVIEW_TIMER0_1_BASE,	SZ_4K,	MT_DEVICE },
+ { IO_ADDRESS(REALVIEW_TIMER2_3_BASE),	REALVIEW_TIMER2_3_BASE,	SZ_4K,	MT_DEVICE },
+#ifdef CONFIG_DEBUG_LL
+ { IO_ADDRESS(REALVIEW_UART0_BASE),	REALVIEW_UART0_BASE,	SZ_4K,	MT_DEVICE },
+#endif
+};
+
+static void __init realview_eb_map_io(void)
+{
+	iotable_init(realview_eb_io_desc, ARRAY_SIZE(realview_eb_io_desc));
+}
+
+/* FPGA Primecells */
+AMBA_DEVICE(aaci,  "fpga:04", AACI,     NULL);
+AMBA_DEVICE(mmc0,  "fpga:05", MMCI0,    &realview_mmc0_plat_data);
+AMBA_DEVICE(kmi0,  "fpga:06", KMI0,     NULL);
+AMBA_DEVICE(kmi1,  "fpga:07", KMI1,     NULL);
+AMBA_DEVICE(uart3, "fpga:09", UART3,    NULL);
+
+/* DevChip Primecells */
+AMBA_DEVICE(smc,   "dev:00",  SMC,      NULL);
+AMBA_DEVICE(clcd,  "dev:20",  CLCD,     &clcd_plat_data);
+AMBA_DEVICE(dmac,  "dev:30",  DMAC,     NULL);
+AMBA_DEVICE(sctl,  "dev:e0",  SCTL,     NULL);
+AMBA_DEVICE(wdog,  "dev:e1",  WATCHDOG, NULL);
+AMBA_DEVICE(gpio0, "dev:e4",  GPIO0,    NULL);
+AMBA_DEVICE(gpio1, "dev:e5",  GPIO1,    NULL);
+AMBA_DEVICE(gpio2, "dev:e6",  GPIO2,    NULL);
+AMBA_DEVICE(rtc,   "dev:e8",  RTC,      NULL);
+AMBA_DEVICE(sci0,  "dev:f0",  SCI,      NULL);
+AMBA_DEVICE(uart0, "dev:f1",  UART0,    NULL);
+AMBA_DEVICE(uart1, "dev:f2",  UART1,    NULL);
+AMBA_DEVICE(uart2, "dev:f3",  UART2,    NULL);
+AMBA_DEVICE(ssp0,  "dev:f4",  SSP,      NULL);
+
+static struct amba_device *amba_devs[] __initdata = {
+	&dmac_device,
+	&uart0_device,
+	&uart1_device,
+	&uart2_device,
+	&uart3_device,
+	&smc_device,
+	&clcd_device,
+	&sctl_device,
+	&wdog_device,
+	&gpio0_device,
+	&gpio1_device,
+	&gpio2_device,
+	&rtc_device,
+	&sci0_device,
+	&ssp0_device,
+	&aaci_device,
+	&mmc0_device,
+	&kmi0_device,
+	&kmi1_device,
+};
+
+static void __init gic_init_irq(void)
+{
+	gic_dist_init(__io_address(REALVIEW_GIC_DIST_BASE));
+	gic_cpu_init(__io_address(REALVIEW_GIC_CPU_BASE));
+}
+
+static void __init realview_eb_init(void)
+{
+	int i;
+
+	clk_register(&realview_clcd_clk);
+
+	platform_device_register(&realview_flash_device);
+	platform_device_register(&realview_smc91x_device);
+
+	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
+		struct amba_device *d = amba_devs[i];
+		amba_device_register(d, &iomem_resource);
+	}
+
+#ifdef CONFIG_LEDS
+	leds_event = realview_leds_event;
+#endif
+}
+
+MACHINE_START(REALVIEW_EB, "ARM-RealView EB")
+	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
+	.phys_ram	= 0x00000000,
+	.phys_io	= REALVIEW_UART0_BASE,
+	.io_pg_offst	= (IO_ADDRESS(REALVIEW_UART0_BASE) >> 18) & 0xfffc,
+	.boot_params	= 0x00000100,
+	.map_io		= realview_eb_map_io,
+	.init_irq	= gic_init_irq,
+	.timer		= &realview_timer,
+	.init_machine	= realview_eb_init,
+MACHINE_END