[ARM] Orion: add 88F6183 (Orion-1-90) support

The Orion-1-90 (88F6183) is another member of the Orion SoC family,
which has a 16 bit DDR2 interface, one x1 PCIe port (configurable as
Root Complex or Endpoint), one 10/100/1000 ethernet interface, one
USB 2.0 port with PHY, one SPDIF/I2S interface, one SDIO interface,
one TWSI interface, two UARTs, one SPI interface, a NAND controller,
a crypto engine, and a 4-channel DMA engine.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

arch/arm/Kconfig

@@ -434,7 +434,7 @@ config ARCH_ORION5X
 	help
 	  Support for the following Marvell Orion 5x series SoCs:
 	  Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
-	  Orion-2 (5281).
+	  Orion-2 (5281), Orion-1-90 (6183).
 
 config ARCH_PNX4008
 	bool "Philips Nexperia PNX4008 Mobile"

arch/arm/mach-orion5x/common.c

@@ -18,6 +18,7 @@
 #include <linux/mv643xx_eth.h>
 #include <linux/mv643xx_i2c.h>
 #include <linux/ata_platform.h>
+#include <linux/spi/orion_spi.h>
 #include <asm/page.h>
 #include <asm/setup.h>
 #include <asm/timex.h>
@@ -270,6 +271,38 @@ void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data)
 }
 
 
+/*****************************************************************************
+ * SPI
+ ****************************************************************************/
+static struct orion_spi_info orion5x_spi_plat_data = {
+	.tclk		= 0,
+};
+
+static struct resource orion5x_spi_resources[] = {
+	{
+		.name	= "spi base",
+		.start	= SPI_PHYS_BASE,
+		.end	= SPI_PHYS_BASE + 0x1f,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device orion5x_spi = {
+	.name		= "orion_spi",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &orion5x_spi_plat_data,
+	},
+	.num_resources	= ARRAY_SIZE(orion5x_spi_resources),
+	.resource	= orion5x_spi_resources,
+};
+
+void __init orion5x_spi_init()
+{
+	platform_device_register(&orion5x_spi);
+}
+
+
 /*****************************************************************************
  * UART0
  ****************************************************************************/
@@ -462,6 +495,13 @@ int orion5x_tclk;
 
 int __init orion5x_find_tclk(void)
 {
+	u32 dev, rev;
+
+	orion5x_pcie_id(&dev, &rev);
+	if (dev == MV88F6183_DEV_ID &&
+	    (readl(MPP_RESET_SAMPLE) & 0x00000200) == 0)
+		return 133333333;
+
 	return 166666667;
 }
 
@@ -510,6 +550,12 @@ static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name)
 		} else {
 			*dev_name = "MV88F5181(L)-Rev-Unsupported";
 		}
+	} else if (*dev == MV88F6183_DEV_ID) {
+		if (*rev == MV88F6183_REV_B0) {
+			*dev_name = "MV88F6183-Rev-B0";
+		} else {
+			*dev_name = "MV88F6183-Rev-Unsupported";
+		}
 	} else {
 		*dev_name = "Device-Unknown";
 	}
@@ -524,6 +570,7 @@ void __init orion5x_init(void)
 	printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);
 
 	orion5x_eth_shared_data.t_clk = orion5x_tclk;
+	orion5x_spi_plat_data.tclk = orion5x_tclk;
 	orion5x_uart0_data[0].uartclk = orion5x_tclk;
 	orion5x_uart1_data[0].uartclk = orion5x_tclk;
 

arch/arm/mach-orion5x/common.h

@@ -31,6 +31,7 @@ void orion5x_ehci1_init(void);
 void orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data);
 void orion5x_i2c_init(void);
 void orion5x_sata_init(struct mv_sata_platform_data *sata_data);
+void orion5x_spi_init(void);
 void orion5x_uart0_init(void);
 void orion5x_uart1_init(void);
 void orion5x_xor_init(void);

arch/arm/mach-orion5x/include/mach/orion5x.h

@@ -2,7 +2,7 @@
  * arch/arm/mach-orion5x/include/mach/orion5x.h
  *
  * Generic definitions of Orion SoC flavors:
- *  Orion-1, Orion-VoIP, Orion-NAS, and Orion-2.
+ *  Orion-1, Orion-VoIP, Orion-NAS, Orion-2, and Orion-1-90.
  *
  * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
  *
@@ -76,6 +76,9 @@
 #define MV88F5281_REV_D0	4
 #define MV88F5281_REV_D1	5
 #define MV88F5281_REV_D2	6
+/* Orion-1-90 (88F6183) */
+#define MV88F6183_DEV_ID	0x6183
+#define MV88F6183_REV_B0	3
 
 /*******************************************************************************
  * Orion Registers Map
@@ -86,6 +89,7 @@
 #define ORION5X_DEV_BUS_PHYS_BASE	(ORION5X_REGS_PHYS_BASE | 0x10000)
 #define ORION5X_DEV_BUS_VIRT_BASE	(ORION5X_REGS_VIRT_BASE | 0x10000)
 #define ORION5X_DEV_BUS_REG(x)		(ORION5X_DEV_BUS_VIRT_BASE | (x))
+#define  SPI_PHYS_BASE			(ORION5X_DEV_BUS_PHYS_BASE | 0x0600)
 #define  I2C_PHYS_BASE			(ORION5X_DEV_BUS_PHYS_BASE | 0x1000)
 #define  UART0_PHYS_BASE		(ORION5X_DEV_BUS_PHYS_BASE | 0x2000)
 #define  UART0_VIRT_BASE		(ORION5X_DEV_BUS_VIRT_BASE | 0x2000)