1 files changed, 103 insertions, 0 deletions

diff --git a/arch/ppc/boot/simple/pibs.c b/arch/ppc/boot/simple/pibs.c
new file mode 100644
index 000000000000..1348740e503f
--- /dev/null
+++ b/arch/ppc/boot/simple/pibs.c
@@ -0,0 +1,103 @@
+/*
+ * 2004-2005 (c) MontaVista, Software, Inc.  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/types.h>
+#include <linux/config.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+#include <asm/ppcboot.h>
+#include <asm/ibm4xx.h>
+
+extern unsigned long decompress_kernel(unsigned long load_addr, int num_words,
+                                       unsigned long cksum);
+
+/* We need to make sure that this is before the images to ensure
+ * that it's in a mapped location. - Tom */
+bd_t hold_resid_buf __attribute__ ((__section__ (".data.boot")));
+bd_t *hold_residual = &hold_resid_buf;
+
+/* String functions lifted from lib/vsprintf.c and lib/ctype.c */
+unsigned char _ctype[] = {
+_C,_C,_C,_C,_C,_C,_C,_C,                        /* 0-7 */
+_C,_C|_S,_C|_S,_C|_S,_C|_S,_C|_S,_C,_C,         /* 8-15 */
+_C,_C,_C,_C,_C,_C,_C,_C,                        /* 16-23 */
+_C,_C,_C,_C,_C,_C,_C,_C,                        /* 24-31 */
+_S|_SP,_P,_P,_P,_P,_P,_P,_P,                    /* 32-39 */
+_P,_P,_P,_P,_P,_P,_P,_P,                        /* 40-47 */
+_D,_D,_D,_D,_D,_D,_D,_D,                        /* 48-55 */
+_D,_D,_P,_P,_P,_P,_P,_P,                        /* 56-63 */
+_P,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U,      /* 64-71 */
+_U,_U,_U,_U,_U,_U,_U,_U,                        /* 72-79 */
+_U,_U,_U,_U,_U,_U,_U,_U,                        /* 80-87 */
+_U,_U,_U,_P,_P,_P,_P,_P,                        /* 88-95 */
+_P,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L,      /* 96-103 */
+_L,_L,_L,_L,_L,_L,_L,_L,                        /* 104-111 */
+_L,_L,_L,_L,_L,_L,_L,_L,                        /* 112-119 */
+_L,_L,_L,_P,_P,_P,_P,_C,                        /* 120-127 */
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,                /* 128-143 */
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,                /* 144-159 */
+_S|_SP,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,   /* 160-175 */
+_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,       /* 176-191 */
+_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,       /* 192-207 */
+_U,_U,_U,_U,_U,_U,_U,_P,_U,_U,_U,_U,_U,_U,_U,_L,       /* 208-223 */
+_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,       /* 224-239 */
+_L,_L,_L,_L,_L,_L,_L,_P,_L,_L,_L,_L,_L,_L,_L,_L};      /* 240-255 */
+
+/**
+ * simple_strtoull - convert a string to an unsigned long long
+ * @cp: The start of the string
+ * @endp: A pointer to the end of the parsed string will be placed here
+ * @base: The number base to use
+ */
+unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base)
+{
+        unsigned long long result = 0,value;
+
+        if (!base) {
+                base = 10;
+                if (*cp == '0') {
+                        base = 8;
+                        cp++;
+                        if ((toupper(*cp) == 'X') && isxdigit(cp[1])) {
+                                cp++;
+                                base = 16;
+                        }
+                }
+        } else if (base == 16) {
+                if (cp[0] == '0' && toupper(cp[1]) == 'X')
+                        cp += 2;
+        }
+        while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
+            ? toupper(*cp) : *cp)-'A'+10) < base) {
+                result = result*base + value;
+                cp++;
+        }
+        if (endp)
+                *endp = (char *)cp;
+        return result;
+}
+
+void *
+load_kernel(unsigned long load_addr, int num_words, unsigned long cksum,
+                void *ign1, void *ign2)
+{
+        unsigned long long mac64;
+
+        decompress_kernel(load_addr, num_words, cksum);
+
+        mac64 = simple_strtoull((char *)PIBS_MAC_BASE, 0, 16);
+        memcpy(hold_residual->bi_enetaddr, (char *)&mac64+2, 6);
+#ifdef CONFIG_440GX
+        mac64 = simple_strtoull((char *)(PIBS_MAC_BASE+PIBS_MAC_OFFSET), 0, 16);
+        memcpy(hold_residual->bi_enet1addr, (char *)&mac64+2, 6);
+        mac64 = simple_strtoull((char *)(PIBS_MAC_BASE+PIBS_MAC_OFFSET*2), 0, 16);
+        memcpy(hold_residual->bi_enet2addr, (char *)&mac64+2, 6);
+        mac64 = simple_strtoull((char *)(PIBS_MAC_BASE+PIBS_MAC_OFFSET*3), 0, 16);
+        memcpy(hold_residual->bi_enet3addr, (char *)&mac64+2, 6);
+#endif
+        return (void *)hold_residual;
+}