1 files changed, 113 insertions, 14 deletions

diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 1cf29c9..d028e8d 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -24,6 +24,7 @@
 #include <linux/platform_device.h>
 #include <linux/of_platform.h>
 #include <linux/phy.h>
+#include <linux/spi/spi.h>
 #include <linux/fsl_devices.h>
 #include <linux/fs_enet_pd.h>
 #include <linux/fs_uart_pd.h>
@@ -52,13 +53,13 @@ phys_addr_t get_immrbase(void)
 
 	soc = of_find_node_by_type(NULL, "soc");
 	if (soc) {
-		unsigned int size;
+		int size;
 		const void *prop = of_get_property(soc, "reg", &size);
 
 		if (prop)
 			immrbase = of_translate_address(soc, prop);
 		of_node_put(soc);
-	};
+	}
 
 	return immrbase;
 }
@@ -76,16 +77,23 @@ u32 get_brgfreq(void)
 	if (brgfreq != -1)
 		return brgfreq;
 
-	node = of_find_node_by_type(NULL, "cpm");
+	node = of_find_compatible_node(NULL, NULL, "fsl,cpm1");
+	if (!node)
+		node = of_find_compatible_node(NULL, NULL, "fsl,cpm2");
+	if (!node)
+		node = of_find_node_by_type(NULL, "cpm");
 	if (node) {
-		unsigned int size;
-		const unsigned int *prop = of_get_property(node,
-					"brg-frequency", &size);
+		int size;
+		const unsigned int *prop;
 
-		if (prop)
+		prop = of_get_property(node, "fsl,brg-frequency", &size);
+		if (!prop)
+			prop = of_get_property(node, "brg-frequency", &size);
+		if (prop && size == 4)
 			brgfreq = *prop;
+
 		of_node_put(node);
-	};
+	}
 
 	return brgfreq;
 }
@@ -103,14 +111,14 @@ u32 get_baudrate(void)
 
 	node = of_find_node_by_type(NULL, "serial");
 	if (node) {
-		unsigned int size;
+		int size;
 		const unsigned int *prop = of_get_property(node,
 				"current-speed", &size);
 
 		if (prop)
 			fs_baudrate = *prop;
 		of_node_put(node);
-	};
+	}
 
 	return fs_baudrate;
 }
@@ -321,21 +329,26 @@ static struct i2c_driver_device i2c_devices[] __initdata = {
 	{"ricoh,rv5c387a", "rtc-rs5c372", "rv5c387a",},
 };
 
-static int __init of_find_i2c_driver(struct device_node *node, struct i2c_board_info *info)
+static int __init of_find_i2c_driver(struct device_node *node,
+				     struct i2c_board_info *info)
 {
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
 		if (!of_device_is_compatible(node, i2c_devices[i].of_device))
 			continue;
-		strncpy(info->driver_name, i2c_devices[i].i2c_driver, KOBJ_NAME_LEN);
-		strncpy(info->type, i2c_devices[i].i2c_type, I2C_NAME_SIZE);
+		if (strlcpy(info->driver_name, i2c_devices[i].i2c_driver,
+			    KOBJ_NAME_LEN) >= KOBJ_NAME_LEN ||
+		    strlcpy(info->type, i2c_devices[i].i2c_type,
+			    I2C_NAME_SIZE) >= I2C_NAME_SIZE)
+			return -ENOMEM;
 		return 0;
 	}
 	return -ENODEV;
 }
 
-static void __init of_register_i2c_devices(struct device_node *adap_node, int bus_num)
+static void __init of_register_i2c_devices(struct device_node *adap_node,
+					   int bus_num)
 {
 	struct device_node *node = NULL;
 
@@ -1187,3 +1200,89 @@ err:
 arch_initcall(cpm_smc_uart_of_init);
 
 #endif /* CONFIG_8xx */
+
+int __init fsl_spi_init(struct spi_board_info *board_infos,
+			unsigned int num_board_infos,
+			void (*activate_cs)(u8 cs, u8 polarity),
+			void (*deactivate_cs)(u8 cs, u8 polarity))
+{
+	struct device_node *np;
+	unsigned int i;
+	const u32 *sysclk;
+
+	np = of_find_node_by_type(NULL, "qe");
+	if (!np)
+		return -ENODEV;
+
+	sysclk = of_get_property(np, "bus-frequency", NULL);
+	if (!sysclk)
+		return -ENODEV;
+
+	for (np = NULL, i = 1;
+	     (np = of_find_compatible_node(np, "spi", "fsl_spi")) != NULL;
+	     i++) {
+		int ret = 0;
+		unsigned int j;
+		const void *prop;
+		struct resource res[2];
+		struct platform_device *pdev;
+		struct fsl_spi_platform_data pdata = {
+			.activate_cs = activate_cs,
+			.deactivate_cs = deactivate_cs,
+		};
+
+		memset(res, 0, sizeof(res));
+
+		pdata.sysclk = *sysclk;
+
+		prop = of_get_property(np, "reg", NULL);
+		if (!prop)
+			goto err;
+		pdata.bus_num = *(u32 *)prop;
+
+		prop = of_get_property(np, "mode", NULL);
+		if (prop && !strcmp(prop, "cpu-qe"))
+			pdata.qe_mode = 1;
+
+		for (j = 0; j < num_board_infos; j++) {
+			if (board_infos[j].bus_num == pdata.bus_num)
+				pdata.max_chipselect++;
+		}
+
+		if (!pdata.max_chipselect)
+			goto err;
+
+		ret = of_address_to_resource(np, 0, &res[0]);
+		if (ret)
+			goto err;
+
+		ret = of_irq_to_resource(np, 0, &res[1]);
+		if (ret == NO_IRQ)
+			goto err;
+
+		pdev = platform_device_alloc("mpc83xx_spi", i);
+		if (!pdev)
+			goto err;
+
+		ret = platform_device_add_data(pdev, &pdata, sizeof(pdata));
+		if (ret)
+			goto unreg;
+
+		ret = platform_device_add_resources(pdev, res,
+						    ARRAY_SIZE(res));
+		if (ret)
+			goto unreg;
+
+		ret = platform_device_register(pdev);
+		if (ret)
+			goto unreg;
+
+		continue;
+unreg:
+		platform_device_del(pdev);
+err:
+		continue;
+	}
+
+	return spi_register_board_info(board_infos, num_board_infos);
+}