RealView: Base support for the PB1176 platform

This patch adds the base files for the PB1176 platform support.

Signed-off-by: Bahadir Balban <bahadir.balban@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

1 files changed, 290 insertions, 0 deletions

diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
new file mode 100644
index 00000000000..4e6731098e5
--- /dev/null
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -0,0 +1,290 @@
+/*
+ *  linux/arch/arm/mach-realview/realview_pb1176.c
+ *
+ *  Copyright (C) 2008 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/init.h>
+#include <linux/platform_device.h>
+#include <linux/sysdev.h>
+#include <linux/amba/bus.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/icst307.h>
+#include <asm/hardware/cache-l2x0.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/map.h>
+#include <asm/mach/mmc.h>
+#include <asm/mach/time.h>
+
+#include <asm/arch/board-pb1176.h>
+#include <asm/arch/irqs.h>
+
+#include "core.h"
+#include "clock.h"
+
+static struct map_desc realview_pb1176_io_desc[] __initdata = {
+	{
+		.virtual	= IO_ADDRESS(REALVIEW_SYS_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_SYS_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_PB1176_GIC_CPU_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_PB1176_GIC_CPU_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_PB1176_GIC_DIST_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_PB1176_GIC_DIST_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_DC1176_GIC_CPU_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_DC1176_GIC_CPU_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_DC1176_GIC_DIST_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_DC1176_GIC_DIST_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_SCTL_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_SCTL_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_PB1176_TIMER0_1_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_PB1176_TIMER0_1_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_PB1176_TIMER2_3_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_PB1176_TIMER2_3_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_PB1176_L220_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_PB1176_L220_BASE),
+		.length		= SZ_8K,
+		.type		= MT_DEVICE,
+	},
+#ifdef CONFIG_DEBUG_LL
+	{
+		.virtual	= IO_ADDRESS(REALVIEW_PB1176_UART0_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_PB1176_UART0_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},
+#endif
+};
+
+static void __init realview_pb1176_map_io(void)
+{
+	iotable_init(realview_pb1176_io_desc, ARRAY_SIZE(realview_pb1176_io_desc));
+}
+
+/*
+ * RealView PB1176 AMBA devices
+ */
+#define GPIO2_IRQ	{ IRQ_PB1176_GPIO2, NO_IRQ }
+#define GPIO2_DMA	{ 0, 0 }
+#define GPIO3_IRQ	{ IRQ_PB1176_GPIO3, NO_IRQ }
+#define GPIO3_DMA	{ 0, 0 }
+#define AACI_IRQ	{ IRQ_PB1176_AACI, NO_IRQ }
+#define AACI_DMA	{ 0x80, 0x81 }
+#define MMCI0_IRQ	{ IRQ_PB1176_MMCI0A, IRQ_PB1176_MMCI0B }
+#define MMCI0_DMA	{ 0x84, 0 }
+#define KMI0_IRQ	{ IRQ_PB1176_KMI0, NO_IRQ }
+#define KMI0_DMA	{ 0, 0 }
+#define KMI1_IRQ	{ IRQ_PB1176_KMI1, NO_IRQ }
+#define KMI1_DMA	{ 0, 0 }
+#define PB1176_SMC_IRQ	{ NO_IRQ, NO_IRQ }
+#define PB1176_SMC_DMA	{ 0, 0 }
+#define MPMC_IRQ	{ NO_IRQ, NO_IRQ }
+#define MPMC_DMA	{ 0, 0 }
+#define PB1176_CLCD_IRQ	{ IRQ_DC1176_CLCD, NO_IRQ }
+#define PB1176_CLCD_DMA	{ 0, 0 }
+#define DMAC_IRQ	{ IRQ_PB1176_DMAC, NO_IRQ }
+#define DMAC_DMA	{ 0, 0 }
+#define SCTL_IRQ	{ NO_IRQ, NO_IRQ }
+#define SCTL_DMA	{ 0, 0 }
+#define PB1176_WATCHDOG_IRQ	{ IRQ_DC1176_WATCHDOG, NO_IRQ }
+#define PB1176_WATCHDOG_DMA	{ 0, 0 }
+#define PB1176_GPIO0_IRQ	{ IRQ_PB1176_GPIO0, NO_IRQ }
+#define PB1176_GPIO0_DMA	{ 0, 0 }
+#define GPIO1_IRQ	{ IRQ_PB1176_GPIO1, NO_IRQ }
+#define GPIO1_DMA	{ 0, 0 }
+#define PB1176_RTC_IRQ	{ IRQ_DC1176_RTC, NO_IRQ }
+#define PB1176_RTC_DMA	{ 0, 0 }
+#define SCI_IRQ		{ IRQ_PB1176_SCI, NO_IRQ }
+#define SCI_DMA		{ 7, 6 }
+#define PB1176_UART0_IRQ	{ IRQ_DC1176_UART0, NO_IRQ }
+#define PB1176_UART0_DMA	{ 15, 14 }
+#define PB1176_UART1_IRQ	{ IRQ_DC1176_UART1, NO_IRQ }
+#define PB1176_UART1_DMA	{ 13, 12 }
+#define PB1176_UART2_IRQ	{ IRQ_DC1176_UART2, NO_IRQ }
+#define PB1176_UART2_DMA	{ 11, 10 }
+#define PB1176_UART3_IRQ	{ IRQ_DC1176_UART3, NO_IRQ }
+#define PB1176_UART3_DMA	{ 0x86, 0x87 }
+#define PB1176_SSP_IRQ		{ IRQ_PB1176_SSP, NO_IRQ }
+#define PB1176_SSP_DMA		{ 9, 8 }
+
+/* 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",	PB1176_UART3,	NULL);
+
+/* DevChip Primecells */
+AMBA_DEVICE(smc,	"dev:00",	PB1176_SMC,	NULL);
+AMBA_DEVICE(sctl,	"dev:e0",	SCTL,		NULL);
+AMBA_DEVICE(wdog,	"dev:e1",	PB1176_WATCHDOG,	NULL);
+AMBA_DEVICE(gpio0,	"dev:e4",	PB1176_GPIO0,	NULL);
+AMBA_DEVICE(gpio1,	"dev:e5",	GPIO1,		NULL);
+AMBA_DEVICE(gpio2,	"dev:e6",	GPIO2,		NULL);
+AMBA_DEVICE(rtc,	"dev:e8",	PB1176_RTC,	NULL);
+AMBA_DEVICE(sci0,	"dev:f0",	SCI,		NULL);
+AMBA_DEVICE(uart0,	"dev:f1",	PB1176_UART0,	NULL);
+AMBA_DEVICE(uart1,	"dev:f2",	PB1176_UART1,	NULL);
+AMBA_DEVICE(uart2,	"dev:f3",	PB1176_UART2,	NULL);
+AMBA_DEVICE(ssp0,	"dev:f4",	PB1176_SSP,	NULL);
+
+/* Primecells on the NEC ISSP chip */
+AMBA_DEVICE(clcd,	"issp:20",	PB1176_CLCD,	&clcd_plat_data);
+//AMBA_DEVICE(dmac,	"issp:30",	PB1176_DMAC,	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,
+};
+
+/*
+ * RealView PB1176 platform devices
+ */
+static struct resource realview_pb1176_flash_resource = {
+	.start			= REALVIEW_PB1176_FLASH_BASE,
+	.end			= REALVIEW_PB1176_FLASH_BASE + REALVIEW_PB1176_FLASH_SIZE - 1,
+	.flags			= IORESOURCE_MEM,
+};
+
+static struct resource realview_pb1176_smsc911x_resources[] = {
+	[0] = {
+		.start		= REALVIEW_PB1176_ETH_BASE,
+		.end		= REALVIEW_PB1176_ETH_BASE + SZ_64K - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start		= IRQ_PB1176_ETH,
+		.end		= IRQ_PB1176_ETH,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device realview_pb1176_smsc911x_device = {
+	.name		= "smc911x",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(realview_pb1176_smsc911x_resources),
+	.resource	= realview_pb1176_smsc911x_resources,
+};
+
+static void __init gic_init_irq(void)
+{
+	/* ARM1176 DevChip GIC, primary */
+	gic_cpu_base_addr = __io_address(REALVIEW_DC1176_GIC_CPU_BASE);
+	gic_dist_init(0, __io_address(REALVIEW_DC1176_GIC_DIST_BASE), IRQ_DC1176_GIC_START);
+	gic_cpu_init(0, gic_cpu_base_addr);
+
+	/* board GIC, secondary */
+	gic_dist_init(1, __io_address(REALVIEW_PB1176_GIC_DIST_BASE), IRQ_PB1176_GIC_START);
+	gic_cpu_init(1, __io_address(REALVIEW_PB1176_GIC_CPU_BASE));
+	gic_cascade_irq(1, IRQ_DC1176_PB_IRQ1);
+}
+
+static void __init realview_pb1176_timer_init(void)
+{
+	timer0_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE);
+	timer1_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE) + 0x20;
+	timer2_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE);
+	timer3_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE) + 0x20;
+
+	realview_timer_init(IRQ_DC1176_TIMER0);
+}
+
+static struct sys_timer realview_pb1176_timer = {
+	.init		= realview_pb1176_timer_init,
+};
+
+static void __init realview_pb1176_init(void)
+{
+	int i;
+
+	/* 128Kb (16Kb/way) 8-way associativity. evmon/parity/share enabled. */
+	l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff);
+
+	clk_register(&realview_clcd_clk);
+
+	realview_flash_register(&realview_pb1176_flash_resource, 1);
+	platform_device_register(&realview_pb1176_smsc911x_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_PB1176, "ARM-RealView PB1176")
+	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
+	.phys_io	= REALVIEW_PB1176_UART0_BASE,
+	.io_pg_offst	= (IO_ADDRESS(REALVIEW_PB1176_UART0_BASE) >> 18) & 0xfffc,
+	.boot_params	= 0x00000100,
+	.map_io		= realview_pb1176_map_io,
+	.init_irq	= gic_init_irq,
+	.timer		= &realview_pb1176_timer,
+	.init_machine	= realview_pb1176_init,
+MACHINE_END