Support passing of OF flat trees to the kernel.
Patch by Pantelis Antoniou, 04 Sep 2005
diff --git a/common/Makefile b/common/Makefile
index 6366e02..7dbf84a 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -46,7 +46,7 @@
env_nand.o env_dataflash.o env_flash.o env_eeprom.o \
env_nvram.o env_nowhere.o \
exports.o \
- flash.o fpga.o \
+ flash.o fpga.o ft_build.o \
hush.o kgdb.o lcd.o lists.o lynxkdi.o \
memsize.o miiphybb.o miiphyutil.o \
s_record.o serial.o soft_i2c.o soft_spi.o spartan2.o spartan3.o \
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index ab6ccbb..ee1b5c1 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -34,6 +34,10 @@
#include <environment.h>
#include <asm/byteorder.h>
+#ifdef CONFIG_OF_FLAT_TREE
+#include <ft_build.h>
+#endif
+
/*cmd_boot.c*/
extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
@@ -489,6 +493,11 @@
}
#endif /* CONFIG_SILENT_CONSOLE */
+#ifdef CONFIG_OF_FLAT_TREE
+extern const unsigned char oftree_dtb[];
+extern const unsigned int oftree_dtb_len;
+#endif
+
#ifdef CONFIG_PPC
static void
do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
@@ -511,6 +520,9 @@
bd_t *kbd;
void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
image_header_t *hdr = &header;
+#ifdef CONFIG_OF_FLAT_TREE
+ char *of_flat_tree;
+#endif
if ((s = getenv ("initrd_high")) != NULL) {
/* a value of "no" or a similar string will act like 0,
@@ -776,15 +788,26 @@
initrd_end = 0;
}
+#ifdef CONFIG_OF_FLAT_TREE
+ if (initrd_start == 0)
+ of_flat_tree = (char *)(((ulong)kbd - OF_FLAT_TREE_MAX_SIZE -
+ sizeof(bd_t)) & ~0xF);
+ else
+ of_flat_tree = (char *)((initrd_start - OF_FLAT_TREE_MAX_SIZE -
+ sizeof(bd_t)) & ~0xF);
+#endif
debug ("## Transferring control to Linux (at address %08lx) ...\n",
(ulong)kernel);
SHOW_BOOT_PROGRESS (15);
+#ifndef CONFIG_OF_FLAT_TREE
+
#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
unlock_ram_in_cache();
#endif
+
/*
* Linux Kernel Parameters:
* r3: ptr to board info data
@@ -794,6 +817,25 @@
* r7: End of command line string
*/
(*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
+
+#else
+ ft_setup(of_flat_tree, OF_FLAT_TREE_MAX_SIZE, kbd);
+ /* ft_dump_blob(of_flat_tree); */
+
+#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
+ unlock_ram_in_cache();
+#endif
+ /*
+ * Linux Kernel Parameters:
+ * r3: ptr to OF flat tree, followed by the board info data
+ * r4: initrd_start or 0 if no initrd
+ * r5: initrd_end - unused if r4 is 0
+ * r6: Start of command line string
+ * r7: End of command line string
+ */
+ (*kernel) ((bd_t *)of_flat_tree, initrd_start, initrd_end, cmd_start, cmd_end);
+
+#endif
}
#endif /* CONFIG_PPC */
diff --git a/common/cmd_immap.c b/common/cmd_immap.c
index 9db5f2c..f1b0535 100644
--- a/common/cmd_immap.c
+++ b/common/cmd_immap.c
@@ -318,11 +318,20 @@
do_iopset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
uint rcode = 0;
+ iopin_t iopin;
static uint port = 0;
static uint pin = 0;
static uint value = 0;
- static enum { DIR, PAR, SOR, ODR, DAT, INT } cmd = DAT;
- iopin_t iopin;
+ static enum {
+ DIR,
+ PAR,
+ SOR,
+ ODR,
+ DAT,
+#if defined(CONFIG_8xx)
+ INT
+#endif
+ } cmd = DAT;
if (argc != 5) {
puts ("iopset PORT PIN CMD VALUE\n");