Also forgot adding the adm5120_info file

SVN-Revision: 6719

diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c
new file mode 100644 (file)
index 0000000..85e0df6
--- /dev/null
+++ b/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2007 OpenWrt.org
+ * Copyright (C) Gabor Juhos
+ * 
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/types.h>
+#include <linux/autoconf.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include <asm/bootinfo.h>
+#include <asm/addrspace.h>
+
+#include <adm5120_info.h>
+#include <myloader.h>
+
+/* boot loaders specific definitions */
+#define CFE_EPTSEAL    0x43464531 /* CFE1 is the magic number to recognize CFE from other bootloaders */
+
+
+struct adm5120_info adm5120_info = {
+       .cpu_speed              = CPU_SPEED_175,
+       .cpu_package            = CPU_PACKAGE_PQFP,
+       .boot_loader            = BOOT_LOADER_UNKNOWN,
+       .board_type             = BOARD_TYPE_UNKNOWN
+};
+
+static char *boot_loader_names[BOOT_LOADER_LAST+1] = {
+       [BOOT_LOADER_UNKNOWN]   = "Unknown",
+       [BOOT_LOADER_CFE]       = "CFE",
+       [BOOT_LOADER_UBOOT]     = "U-Boot",
+       [BOOT_LOADER_MYLOADER]  = "MyLoader"
+};
+
+/*
+ * Boot loader detection routines
+ */
+static int __init detect_cfe(void)
+{
+       /*
+        * This method only works, when we are booted directly from the CFE.
+        */
+       uint32_t cfe_handle = (uint32_t) fw_arg0;
+       uint32_t cfe_a1_val = (uint32_t) fw_arg1;
+       uint32_t cfe_entry = (uint32_t) fw_arg2;
+       uint32_t cfe_seal = (uint32_t) fw_arg3;
+
+       /* Check for CFE by finding the CFE magic number */
+       if (cfe_seal != CFE_EPTSEAL) {
+               /* We are not booted from CFE */
+               return 0;
+       }
+       
+       /* cfe_a1_val must be 0, because only one CPU present in the ADM5120 SoC */
+       if (cfe_a1_val != 0) {
+               return 0;
+       }
+       
+       /* The cfe_handle, and the cfe_entry must be kernel mode addresses */
+       if ((cfe_handle < KSEG0) || (cfe_entry < KSEG0)) {
+               return 0;
+       }
+
+       return 1;
+}
+
+static int __init detect_uboot(void)
+{
+       /* FIXME: not yet implemented */
+       return 0;
+}
+
+static int __init detect_myloader(void)
+{
+       struct mylo_system_params *sysp;
+       struct mylo_board_params *boardp;
+       struct mylo_partition_table *parts;
+
+       sysp = (struct mylo_system_params *)(MYLO_MIPS_SYS_PARAMS);
+       boardp = (struct mylo_board_params *)(MYLO_MIPS_BOARD_PARAMS);
+       parts = (struct mylo_partition_table *)(MYLO_MIPS_PARTITIONS);
+
+       /* Check for some magic numbers */
+       if ((sysp->magic != MYLO_MAGIC_SYS_PARAMS) || 
+          (boardp->magic != MYLO_MAGIC_BOARD_PARAMS) ||
+          (parts->magic != MYLO_MAGIC_PARTITIONS))
+               return 0;
+
+       return 1;
+}
+
+static int __init detect_bootloader(void)
+{
+       if (detect_cfe())
+               return BOOT_LOADER_CFE;
+       
+       if (detect_uboot()) 
+               return BOOT_LOADER_UBOOT;
+       
+       if (detect_myloader())
+               return BOOT_LOADER_MYLOADER;
+       
+       return BOOT_LOADER_UNKNOWN;
+}
+
+void __init adm5120_info_show(void)
+{
+       printk("adm5120: boot loader is %s\n", boot_loader_names[adm5120_info.boot_loader]);
+}
+
+void __init adm5120_info_init(void)
+{
+       adm5120_info.boot_loader = detect_bootloader();
+       
+       adm5120_info_show();
+}