Merge branch 'master' of git://www.denx.de/git/u-boot-ppc4xx

4 files changed, 64 insertions, 4 deletions

diff --git a/board/esd/apc405/apc405.c b/board/esd/apc405/apc405.c
index b663184..2cb743e 100644
--- a/board/esd/apc405/apc405.c
+++ b/board/esd/apc405/apc405.c
@@ -385,11 +385,16 @@ int misc_init_r(void)
 	}
 	out_be16((u16 *)(FUJI_BASE + LCDBL_PWM), 0xff);
 
-	if (getenv("usb_self") == NULL) {
+	/*
+	 * fix environment for field updated units
+	 */
+	if (getenv("altbootcmd") == NULL) {
 		setenv("usb_load", CFG_USB_LOAD_COMMAND);
 		setenv("usbargs", CFG_USB_ARGS);
 		setenv("bootcmd", CONFIG_BOOTCOMMAND);
 		setenv("usb_self", CFG_USB_SELF_COMMAND);
+		setenv("bootlimit", CFG_BOOTLIMIT);
+		setenv("altbootcmd", CFG_ALT_BOOTCOMMAND);
 		saveenv();
 	}
 
diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c
index afcb974..1f4d6f2 100644
--- a/cpu/ppc4xx/fdt.c
+++ b/cpu/ppc4xx/fdt.c
@@ -31,9 +31,46 @@
 #include <libfdt.h>
 #include <libfdt_env.h>
 #include <fdt_support.h>
+#include <asm/4xx_pcie.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
+/*
+ * Fixup all PCIe nodes by setting the device_type property
+ * to "pci-endpoint" instead is "pci" for endpoint ports.
+ * This property will get checked later by the Linux driver
+ * to properly configure the PCIe port in Linux (again).
+ */
+void fdt_pcie_setup(void *blob)
+{
+	const char *compat = "ibm,plb-pciex";
+	const char *prop = "device_type";
+	const char *prop_val = "pci-endpoint";
+	const u32 *port;
+	int no;
+	int rc;
+
+	/* Search first PCIe node */
+	no = fdt_node_offset_by_compatible(blob, -1, compat);
+	while (no != -FDT_ERR_NOTFOUND) {
+		port = fdt_getprop(blob, no, "port", NULL);
+		if (port == NULL) {
+			printf("WARNING: could not find port property\n");
+		} else {
+			if (is_end_point(*port)) {
+				rc = fdt_setprop(blob, no, prop, prop_val,
+						 strlen(prop_val) + 1);
+				if (rc < 0)
+					printf("WARNING: could not set %s for %s: %s.\n",
+					       prop, compat, fdt_strerror(rc));
+			}
+		}
+
+		/* Jump to next PCIe node */
+		no = fdt_node_offset_by_compatible(blob, no, compat);
+	}
+}
+
 void ft_cpu_setup(void *blob, bd_t *bd)
 {
 	sys_info_t sys_info;
@@ -60,5 +97,10 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 	 * Note: aliases in the dts are required for this
 	 */
 	fdt_fixup_ethernet(blob, bd);
+
+	/*
+	 * Fixup all available PCIe nodes by setting the device_type property
+	 */
+	fdt_pcie_setup(blob);
 }
 #endif /* CONFIG_OF_LIBFDT */
diff --git a/include/asm-ppc/4xx_pcie.h b/include/asm-ppc/4xx_pcie.h
index d27d2a9..5398696 100644
--- a/include/asm-ppc/4xx_pcie.h
+++ b/include/asm-ppc/4xx_pcie.h
@@ -8,10 +8,11 @@
  * option) any later version.
  */
 
-#include <ppc4xx.h>
 #ifndef __4XX_PCIE_H
 #define __4XX_PCIE_H
 
+#include <ppc4xx.h>
+
 #define DCRN_SDR0_CFGADDR	0x00e
 #define DCRN_SDR0_CFGDATA	0x00f
 
@@ -395,6 +396,7 @@ static inline void mdelay(int n)
 		udelay(1000);
 }
 
+#if defined(PCIE0_SDR)
 static inline u32 sdr_base(int port)
 {
 	switch (port) {
@@ -409,5 +411,6 @@ static inline u32 sdr_base(int port)
 #endif
 	}
 }
+#endif /* defined(PCIE0_SDR) */
 
 #endif /* __4XX_PCIE_H */
diff --git a/include/configs/APC405.h b/include/configs/APC405.h
index e2ab39d..8ad33f1 100644
--- a/include/configs/APC405.h
+++ b/include/configs/APC405.h
@@ -48,6 +48,7 @@
 
 #define CONFIG_BAUDRATE		115200
 #define CONFIG_BOOTDELAY	1	/* autoboot after 3 seconds	*/
+#define CONFIG_BOOTCOUNT_LIMIT	1
 
 #undef	CONFIG_BOOTARGS
 
@@ -57,6 +58,8 @@
 				"run ramargs addip addcon usbargs;"	\
 				"bootm 200000 300000"
 #define CFG_USB_ARGS		"setenv bootargs $(bootargs) usbboot=1"
+#define CFG_BOOTLIMIT		"3"
+#define CFG_ALT_BOOTCOMMAND	"run usb_self;reset"
 
 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 	"hostname=abg405\0"                                             \
@@ -88,8 +91,10 @@
 	"usb_load="CFG_USB_LOAD_COMMAND"\0"				\
 	"usb_self="CFG_USB_SELF_COMMAND"\0"				\
 	"usbargs="CFG_USB_ARGS"\0"					\
+	"bootlimit="CFG_BOOTLIMIT"\0"					\
+	"altbootcmd="CFG_ALT_BOOTCOMMAND"\0"				\
 	""
-#define CONFIG_BOOTCOMMAND	"run flash_self;run usb_self"
+#define CONFIG_BOOTCOMMAND	"run flash_self;reset"
 
 #define CONFIG_ETHADDR		00:02:27:8e:00:00
 
@@ -414,7 +419,12 @@ extern int flash_banks;
 #define CFG_INIT_RAM_END	CFG_OCM_DATA_SIZE /* End of used area in RAM */
 #define CFG_GBL_DATA_SIZE	128 /* reserved bytes for initial data */
 #define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
-#define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
+/* reserve some memory for BOOT limit info */
+#define CFG_INIT_SP_OFFSET	(CFG_GBL_DATA_OFFSET - 16)
+
+#ifdef CONFIG_BOOTCOUNT_LIMIT /* reserve 2 word for bootcount limit */
+#define CFG_BOOTCOUNT_ADDR (CFG_GBL_DATA_OFFSET - 8)
+#endif
 
 /*
  * Internal Definitions