initial_commit

1 files changed, 162 insertions, 0 deletions

diff --git a/arch/arm/mach-loki/common.c b/arch/arm/mach-loki/common.c
new file mode 100644
index 00000000..5f02664d
--- /dev/null
+++ b/arch/arm/mach-loki/common.c
@@ -0,0 +1,162 @@
+/*
+ * arch/arm/mach-loki/common.c
+ *
+ * Core functions for Marvell Loki (88RC8480) SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/mbus.h>
+#include <linux/dma-mapping.h>
+#include <asm/page.h>
+#include <asm/timex.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <mach/bridge-regs.h>
+#include <mach/loki.h>
+#include <plat/orion_nand.h>
+#include <plat/time.h>
+#include <plat/common.h>
+#include "common.h"
+
+/*****************************************************************************
+ * I/O Address Mapping
+ ****************************************************************************/
+static struct map_desc loki_io_desc[] __initdata = {
+	{
+		.virtual	= LOKI_REGS_VIRT_BASE,
+		.pfn		= __phys_to_pfn(LOKI_REGS_PHYS_BASE),
+		.length		= LOKI_REGS_SIZE,
+		.type		= MT_DEVICE,
+	},
+};
+
+void __init loki_map_io(void)
+{
+	iotable_init(loki_io_desc, ARRAY_SIZE(loki_io_desc));
+}
+
+
+/*****************************************************************************
+ * GE00
+ ****************************************************************************/
+void __init loki_ge0_init(struct mv643xx_eth_platform_data *eth_data)
+{
+	writel(0x00079220, GE0_VIRT_BASE + 0x20b0);
+
+	orion_ge00_init(eth_data, &loki_mbus_dram_info,
+			GE0_PHYS_BASE, IRQ_LOKI_GBE_A_INT,
+			0, LOKI_TCLK);
+}
+
+
+/*****************************************************************************
+ * GE01
+ ****************************************************************************/
+void __init loki_ge1_init(struct mv643xx_eth_platform_data *eth_data)
+{
+	writel(0x00079220, GE1_VIRT_BASE + 0x20b0);
+
+	orion_ge01_init(eth_data, &loki_mbus_dram_info,
+			GE1_PHYS_BASE, IRQ_LOKI_GBE_B_INT,
+			0, LOKI_TCLK);
+}
+
+
+/*****************************************************************************
+ * SAS/SATA
+ ****************************************************************************/
+static struct resource loki_sas_resources[] = {
+	{
+		.name	= "mvsas0 mem",
+		.start	= SAS0_PHYS_BASE,
+		.end	= SAS0_PHYS_BASE + 0x01ff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "mvsas0 irq",
+		.start	= IRQ_LOKI_SAS_A,
+		.end	= IRQ_LOKI_SAS_A,
+		.flags	= IORESOURCE_IRQ,
+	}, {
+		.name	= "mvsas1 mem",
+		.start	= SAS1_PHYS_BASE,
+		.end	= SAS1_PHYS_BASE + 0x01ff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "mvsas1 irq",
+		.start	= IRQ_LOKI_SAS_B,
+		.end	= IRQ_LOKI_SAS_B,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device loki_sas = {
+	.name		= "mvsas",
+	.id		= 0,
+	.dev		= {
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(loki_sas_resources),
+	.resource	= loki_sas_resources,
+};
+
+void __init loki_sas_init(void)
+{
+	writel(0x8300f707, DDR_REG(0x1424));
+	platform_device_register(&loki_sas);
+}
+
+
+/*****************************************************************************
+ * UART0
+ ****************************************************************************/
+void __init loki_uart0_init(void)
+{
+	orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE,
+			 IRQ_LOKI_UART0, LOKI_TCLK);
+}
+
+/*****************************************************************************
+ * UART1
+ ****************************************************************************/
+void __init loki_uart1_init(void)
+{
+	orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE,
+			 IRQ_LOKI_UART1, LOKI_TCLK);
+}
+
+
+/*****************************************************************************
+ * Time handling
+ ****************************************************************************/
+void __init loki_init_early(void)
+{
+	orion_time_set_base(TIMER_VIRT_BASE);
+}
+
+static void loki_timer_init(void)
+{
+	orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR,
+			IRQ_LOKI_BRIDGE, LOKI_TCLK);
+}
+
+struct sys_timer loki_timer = {
+	.init = loki_timer_init,
+};
+
+
+/*****************************************************************************
+ * General
+ ****************************************************************************/
+void __init loki_init(void)
+{
+	printk(KERN_INFO "Loki ID: 88RC8480. TCLK=%d.\n", LOKI_TCLK);
+
+	loki_setup_cpu_mbus();
+}