[U-Boot-Users] [PATCH] Convert MPC8610HPCD to use libfdt.

Jon Loeliger jdl at freescale.com
Fri Jan 4 19:12:14 CET 2008


Assumes the presence of the aliases node in the DTS to
locate the pci and serial nodes for fixups.

Use consistent fdtaddr and fdtfile in environment variables.

Signed-off-by: Jon Loeliger <jdl at freescale.com>
---
 board/freescale/mpc8610hpcd/mpc8610hpcd.c |   73 ++++++++++++++++-------------
 include/configs/MPC8610HPCD.h             |   31 ++++++-------
 2 files changed, 54 insertions(+), 50 deletions(-)

diff --git a/board/freescale/mpc8610hpcd/mpc8610hpcd.c b/board/freescale/mpc8610hpcd/mpc8610hpcd.c
index 9f32890..264e959 100644
--- a/board/freescale/mpc8610hpcd/mpc8610hpcd.c
+++ b/board/freescale/mpc8610hpcd/mpc8610hpcd.c
@@ -29,12 +29,8 @@
 #include <i2c.h>
 #include <spd.h>
 #include <asm/io.h>
-
-
-#if defined(CONFIG_OF_FLAT_TREE)
-#include <ft_build.h>
-extern void ft_cpu_setup(void *blob, bd_t *bd);
-#endif
+#include <libfdt.h>
+#include <fdt_support.h>
 
 #include "../common/pixis.h"
 
@@ -459,46 +455,57 @@ void pci_init_board(void)
 #endif /* CONFIG_PCI1 */
 }
 
-#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
+#if defined(CONFIG_OF_BOARD_SETUP)
 void
 ft_board_setup(void *blob, bd_t *bd)
 {
-	u32 *p;
-	int len;
+	int node, tmp[2];
+	const char *path;
 
-	ft_cpu_setup(blob, bd);
+	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+			     "timebase-frequency", bd->bi_busfreq / 4, 1);
+	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+			     "bus-frequency", bd->bi_busfreq, 1);
+	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+			     "clock-frequency", bd->bi_intfreq, 1);
+	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
+			     "bus-frequency", bd->bi_busfreq, 1);
 
-	p = ft_get_prop(blob, "/memory/reg", &len);
-	if (p != NULL) {
-		*p++ = cpu_to_be32(bd->bi_memstart);
-		*p = cpu_to_be32(bd->bi_memsize);
-	}
+	do_fixup_by_compat_u32(blob, "ns16550",
+			       "clock-frequency", bd->bi_busfreq, 1);
+
+	fdt_fixup_memory(blob, bd->bi_memstart, bd->bi_memsize);
+
+
+	node = fdt_path_offset(blob, "/aliases");
+	tmp[0] = 0;
+	if (node >= 0) {
 
 #ifdef CONFIG_PCI1
-	p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci at 8000/bus-range", &len);
-	if (p != NULL) {
-		p[0] = 0;
-		p[1] = pci1_hose.last_busno - pci1_hose.first_busno;
-		debug("pci at 8000 first_busno=%d last_busno=%d\n",p[0],p[1]);
-	}
+		path = fdt_getprop(blob, node, "pci0", NULL);
+		if (path) {
+			tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
+			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
+		}
+
 #endif
 #ifdef CONFIG_PCIE1
-	p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pcie at a000/bus-range", &len);
-	if (p != NULL) {
-		p[0] = 0;
-		p[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
-		debug("pcie at 9000 first_busno=%d last_busno=%d\n",p[0],p[1]);
+		path = fdt_getprop(blob, node, "pci1", NULL);
+		if (path) {
+			tmp[1] = pcie1_hose.last_busno
+				- pcie1_hose.first_busno;
+			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
 	}
 #endif
 #ifdef CONFIG_PCIE2
-	p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pcie at 9000/bus-range", &len);
-	if (p != NULL) {
-		p[0] = 0;
-		p[1] = pcie2_hose.last_busno - pcie2_hose.first_busno;
-		debug("pcie at 9000 first_busno=%d last_busno=%d\n",p[0],p[1]);
-	}
+		path = fdt_getprop(blob, node, "pci2", NULL);
+		if (path) {
+			tmp[1] = pcie2_hose.last_busno
+				- pcie2_hose.first_busno;
+			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
+		}
 #endif
-
+	}
 }
 #endif
 
diff --git a/include/configs/MPC8610HPCD.h b/include/configs/MPC8610HPCD.h
index 55df5aa..11c1836 100644
--- a/include/configs/MPC8610HPCD.h
+++ b/include/configs/MPC8610HPCD.h
@@ -245,17 +245,14 @@
 /*
  * Pass open firmware flat tree to kernel
  */
-#define CONFIG_OF_FLAT_TREE	1
-#define CONFIG_OF_BOARD_SETUP	1
+#define CONFIG_OF_LIBFDT		1
+#define CONFIG_OF_BOARD_SETUP		1
+#define CONFIG_OF_STDOUT_VIA_ALIAS	1
+
 
 /* maximum size of the flat tree (8K) */
 #define OF_FLAT_TREE_MAX_SIZE	8192
 
-#define OF_CPU		"PowerPC,8610 at 0"
-#define OF_SOC		"soc at e0000000"
-#define OF_TBCLK	(bd->bi_busfreq / 4)
-#define OF_STDOUT_PATH	"/soc at e0000000/serial at 4500"
-
 #define CFG_64BIT_VSPRINTF	1
 #define CFG_64BIT_STRTOUL	1
 
@@ -618,8 +615,8 @@
  "consoledev=ttyS0\0"						\
  "ramdiskaddr=2000000\0"					\
  "ramdiskfile=8610hpcd/ramdisk.uboot\0"				\
- "dtbaddr=c00000\0"						\
- "dtbfile=8610hpcd/mpc8610_hpcd.dtb\0"				\
+ "fdtaddr=c00000\0"						\
+ "fdtfile=8610hpcd/mpc8610_hpcd.dtb\0"				\
  "bdev=sda3\0"					\
  "en-wd=mw.b f8100010 0x08; echo -expect:- 08; md.b f8100010 1\0" \
  "dis-wd=mw.b f8100010 0x00; echo -expect:- 00; md.b f8100010 1\0" \
@@ -658,8 +655,8 @@
  "consoledev=ttyS0\0"                                           \
  "ramdiskaddr=2000000\0"                                        \
  "ramdiskfile=8610hpcd/ramdisk.uboot\0"                         \
- "dtbaddr=c00000\0"                                             \
- "dtbfile=8610hpcd/mpc8610_hpcd.dtb\0"                          \
+ "fdtaddr=c00000\0"                                             \
+ "fdtfile=8610hpcd/mpc8610_hpcd.dtb\0"                          \
  "bdev=sda3\0"							\
  "othbootargs=diufb=15M video=fslfb:1280x1024-32 at 60,monitor=0\0"\
  "monitor=0-DVI\0"
@@ -671,22 +668,22 @@
 	"ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
 	"console=$consoledev,$baudrate $othbootargs;"		\
  "tftp $loadaddr $bootfile;"					\
- "tftp $dtbaddr $dtbfile;"					\
- "bootm $loadaddr - $dtbaddr"
+ "tftp $fdtaddr $fdtfile;"					\
+ "bootm $loadaddr - $fdtaddr"
 
 #define CONFIG_RAMBOOTCOMMAND \
  "setenv bootargs root=/dev/ram rw "				\
 	"console=$consoledev,$baudrate $othbootargs;"		\
  "tftp $ramdiskaddr $ramdiskfile;"				\
  "tftp $loadaddr $bootfile;"					\
- "tftp $dtbaddr $dtbfile;"					\
- "bootm $loadaddr $ramdiskaddr $dtbaddr"
+ "tftp $fdtaddr $fdtfile;"					\
+ "bootm $loadaddr $ramdiskaddr $fdtaddr"
 
 #define CONFIG_BOOTCOMMAND		\
  "setenv bootargs root=/dev/$bdev rw "	\
 	"console=$consoledev,$baudrate $othbootargs;"	\
  "tftp $loadaddr $bootfile;"		\
- "tftp $dtbaddr $dtbfile;"		\
- "bootm $loadaddr - $dtbaddr"
+ "tftp $fdtaddr $fdtfile;"		\
+ "bootm $loadaddr - $fdtaddr"
 
 #endif	/* __CONFIG_H */
-- 
1.5.2.1.126.g6abd0







More information about the U-Boot mailing list