zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-dove/common.c b/ap/os/linux/linux-3.4.x/arch/arm/mach-dove/common.c
new file mode 100644
index 0000000..18f9e71
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-dove/common.c
@@ -0,0 +1,307 @@
+/*
+ * arch/arm/mach-dove/common.c
+ *
+ * Core functions for Marvell Dove 88AP510 System On Chip
+ *
+ * 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/delay.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/clk.h>
+#include <linux/ata_platform.h>
+#include <linux/gpio.h>
+#include <asm/page.h>
+#include <asm/setup.h>
+#include <asm/timex.h>
+#include <asm/hardware/cache-tauros2.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <asm/mach/pci.h>
+#include <mach/dove.h>
+#include <mach/bridge-regs.h>
+#include <asm/mach/arch.h>
+#include <linux/irq.h>
+#include <plat/time.h>
+#include <plat/ehci-orion.h>
+#include <plat/common.h>
+#include <plat/addr-map.h>
+#include "common.h"
+
+static int get_tclk(void);
+
+/*****************************************************************************
+ * I/O Address Mapping
+ ****************************************************************************/
+static struct map_desc dove_io_desc[] __initdata = {
+	{
+		.virtual	= DOVE_SB_REGS_VIRT_BASE,
+		.pfn		= __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE),
+		.length		= DOVE_SB_REGS_SIZE,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= DOVE_NB_REGS_VIRT_BASE,
+		.pfn		= __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE),
+		.length		= DOVE_NB_REGS_SIZE,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= DOVE_PCIE0_IO_VIRT_BASE,
+		.pfn		= __phys_to_pfn(DOVE_PCIE0_IO_PHYS_BASE),
+		.length		= DOVE_PCIE0_IO_SIZE,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= DOVE_PCIE1_IO_VIRT_BASE,
+		.pfn		= __phys_to_pfn(DOVE_PCIE1_IO_PHYS_BASE),
+		.length		= DOVE_PCIE1_IO_SIZE,
+		.type		= MT_DEVICE,
+	},
+};
+
+void __init dove_map_io(void)
+{
+	iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc));
+}
+
+/*****************************************************************************
+ * EHCI0
+ ****************************************************************************/
+void __init dove_ehci0_init(void)
+{
+	orion_ehci_init(DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0, EHCI_PHY_NA);
+}
+
+/*****************************************************************************
+ * EHCI1
+ ****************************************************************************/
+void __init dove_ehci1_init(void)
+{
+	orion_ehci_1_init(DOVE_USB1_PHYS_BASE, IRQ_DOVE_USB1);
+}
+
+/*****************************************************************************
+ * GE00
+ ****************************************************************************/
+void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data)
+{
+	orion_ge00_init(eth_data,
+			DOVE_GE00_PHYS_BASE, IRQ_DOVE_GE00_SUM,
+			0, get_tclk(), 1600);
+}
+
+/*****************************************************************************
+ * SoC RTC
+ ****************************************************************************/
+void __init dove_rtc_init(void)
+{
+	orion_rtc_init(DOVE_RTC_PHYS_BASE, IRQ_DOVE_RTC);
+}
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+void __init dove_sata_init(struct mv_sata_platform_data *sata_data)
+{
+	orion_sata_init(sata_data, DOVE_SATA_PHYS_BASE, IRQ_DOVE_SATA);
+
+}
+
+/*****************************************************************************
+ * UART0
+ ****************************************************************************/
+void __init dove_uart0_init(void)
+{
+	orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE,
+			 IRQ_DOVE_UART_0, get_tclk());
+}
+
+/*****************************************************************************
+ * UART1
+ ****************************************************************************/
+void __init dove_uart1_init(void)
+{
+	orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE,
+			 IRQ_DOVE_UART_1, get_tclk());
+}
+
+/*****************************************************************************
+ * UART2
+ ****************************************************************************/
+void __init dove_uart2_init(void)
+{
+	orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE,
+			 IRQ_DOVE_UART_2, get_tclk());
+}
+
+/*****************************************************************************
+ * UART3
+ ****************************************************************************/
+void __init dove_uart3_init(void)
+{
+	orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE,
+			 IRQ_DOVE_UART_3, get_tclk());
+}
+
+/*****************************************************************************
+ * SPI
+ ****************************************************************************/
+void __init dove_spi0_init(void)
+{
+	orion_spi_init(DOVE_SPI0_PHYS_BASE, get_tclk());
+}
+
+void __init dove_spi1_init(void)
+{
+	orion_spi_1_init(DOVE_SPI1_PHYS_BASE, get_tclk());
+}
+
+/*****************************************************************************
+ * I2C
+ ****************************************************************************/
+void __init dove_i2c_init(void)
+{
+	orion_i2c_init(DOVE_I2C_PHYS_BASE, IRQ_DOVE_I2C, 10);
+}
+
+/*****************************************************************************
+ * Time handling
+ ****************************************************************************/
+void __init dove_init_early(void)
+{
+	orion_time_set_base(TIMER_VIRT_BASE);
+}
+
+static int get_tclk(void)
+{
+	/* use DOVE_RESET_SAMPLE_HI/LO to detect tclk */
+	return 166666667;
+}
+
+static void dove_timer_init(void)
+{
+	orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR,
+			IRQ_DOVE_BRIDGE, get_tclk());
+}
+
+struct sys_timer dove_timer = {
+	.init = dove_timer_init,
+};
+
+/*****************************************************************************
+ * XOR 0
+ ****************************************************************************/
+void __init dove_xor0_init(void)
+{
+	orion_xor0_init(DOVE_XOR0_PHYS_BASE, DOVE_XOR0_HIGH_PHYS_BASE,
+			IRQ_DOVE_XOR_00, IRQ_DOVE_XOR_01);
+}
+
+/*****************************************************************************
+ * XOR 1
+ ****************************************************************************/
+void __init dove_xor1_init(void)
+{
+	orion_xor1_init(DOVE_XOR1_PHYS_BASE, DOVE_XOR1_HIGH_PHYS_BASE,
+			IRQ_DOVE_XOR_10, IRQ_DOVE_XOR_11);
+}
+
+/*****************************************************************************
+ * SDIO
+ ****************************************************************************/
+static u64 sdio_dmamask = DMA_BIT_MASK(32);
+
+static struct resource dove_sdio0_resources[] = {
+	{
+		.start	= DOVE_SDIO0_PHYS_BASE,
+		.end	= DOVE_SDIO0_PHYS_BASE + 0xff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_DOVE_SDIO0,
+		.end	= IRQ_DOVE_SDIO0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_sdio0 = {
+	.name		= "sdhci-dove",
+	.id		= 0,
+	.dev		= {
+		.dma_mask		= &sdio_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.resource	= dove_sdio0_resources,
+	.num_resources	= ARRAY_SIZE(dove_sdio0_resources),
+};
+
+void __init dove_sdio0_init(void)
+{
+	platform_device_register(&dove_sdio0);
+}
+
+static struct resource dove_sdio1_resources[] = {
+	{
+		.start	= DOVE_SDIO1_PHYS_BASE,
+		.end	= DOVE_SDIO1_PHYS_BASE + 0xff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_DOVE_SDIO1,
+		.end	= IRQ_DOVE_SDIO1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_sdio1 = {
+	.name		= "sdhci-dove",
+	.id		= 1,
+	.dev		= {
+		.dma_mask		= &sdio_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.resource	= dove_sdio1_resources,
+	.num_resources	= ARRAY_SIZE(dove_sdio1_resources),
+};
+
+void __init dove_sdio1_init(void)
+{
+	platform_device_register(&dove_sdio1);
+}
+
+void __init dove_init(void)
+{
+	int tclk;
+
+	tclk = get_tclk();
+
+	printk(KERN_INFO "Dove 88AP510 SoC, ");
+	printk(KERN_INFO "TCLK = %dMHz\n", (tclk + 499999) / 1000000);
+
+#ifdef CONFIG_CACHE_TAUROS2
+	tauros2_init();
+#endif
+	dove_setup_cpu_mbus();
+
+	/* internal devices that every board has */
+	dove_rtc_init();
+	dove_xor0_init();
+	dove_xor1_init();
+}
+
+void dove_restart(char mode, const char *cmd)
+{
+	/*
+	 * Enable soft reset to assert RSTOUTn.
+	 */
+	writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK);
+
+	/*
+	 * Assert soft reset.
+	 */
+	writel(SOFT_RESET, SYSTEM_SOFT_RESET);
+
+	while (1)
+		;
+}