[PATCH] bootwrapper: adds cuboot for MPC7448HPC2 platform
From: Zang Roy-r61911 <hidden>
Date: 2007-05-28 02:30:57
This patch adds cuboot support for MPC7448HPC2 platform. The cuImage can be used with legacy u-boot without FDT support. Signed-off-by: Roy Zang <redacted> --- arch/powerpc/boot/Makefile | 4 +- arch/powerpc/boot/cuboot-hpc2.c | 57 ++++++++++++++++++++++++++++ arch/powerpc/boot/dts/mpc7448hpc2.dts | 5 ++ arch/powerpc/boot/ppcboot.h | 2 +- arch/powerpc/platforms/embedded6xx/Kconfig | 1 + include/asm-ppc/ppcboot.h | 2 +- 6 files changed, 68 insertions(+), 3 deletions(-) create mode 100644 arch/powerpc/boot/cuboot-hpc2.c
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 8378898..5fa515d 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile@@ -48,7 +48,8 @@ src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \ gunzip_util.c elf_util.c $(zlib) devtree.c \ 44x.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \ - cuboot-ebony.c treeboot-ebony.c prpmc2800.c + cuboot-ebony.c treeboot-ebony.c prpmc2800.c \ + cuboot-hpc2.c src-boot := $(src-wlib) $(src-plat) empty.c src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -142,6 +143,7 @@ ifneq ($(CONFIG_DEVICE_TREE),"") image-$(CONFIG_PPC_83xx) += cuImage.83xx image-$(CONFIG_PPC_85xx) += cuImage.85xx image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony +image-$(CONFIG_MPC7448HPC2) += cuImage.hpc2 endif # For 32-bit powermacs, build the COFF and miboot images
diff --git a/arch/powerpc/boot/cuboot-hpc2.c b/arch/powerpc/boot/cuboot-hpc2.c
new file mode 100644
index 0000000..d8f01c4
--- /dev/null
+++ b/arch/powerpc/boot/cuboot-hpc2.c@@ -0,0 +1,57 @@ +/* + * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. + * + * Author: Roy Zang <tie-fei.zang@freescale.com> + * + * Description: + * Old U-boot compatibility for mpc7448hpc2 board + * Based on the code of Scott Wood <scottwood@freescale.com> + * for 83xx and 85xx. + * + * This 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 "ops.h" +#include "stdio.h" + +#define TARGET_TSI108_BRIDGE +#include "ppcboot.h" + +static bd_t bd; +extern char _end[]; +extern char _dtb_start[], _dtb_end[]; + +static void platform_fixups(void) +{ + void *tsi; + + dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); + dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr); + dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq); + tsi = find_node_by_devtype(NULL, "tsi-bridge"); + if (tsi) + setprop(tsi, "bus-frequency", &bd.bi_busfreq, + sizeof(bd.bi_busfreq)); +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + unsigned long end_of_ram = bd.bi_memstart + bd.bi_memsize; + unsigned long avail_ram = end_of_ram - (unsigned long)_end; + + memcpy(&bd, (bd_t *)r3, sizeof(bd)); + loader_info.initrd_addr = r4; + loader_info.initrd_size = r4 ? r5 - r4 : 0; + loader_info.cmdline = (char *)r6; + loader_info.cmdline_len = r7 - r6; + + simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64); + ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + serial_console_init(); + platform_ops.fixups = platform_fixups; +}
diff --git a/arch/powerpc/boot/dts/mpc7448hpc2.dts b/arch/powerpc/boot/dts/mpc7448hpc2.dts
index 765c306..a2ee94f 100644
--- a/arch/powerpc/boot/dts/mpc7448hpc2.dts
+++ b/arch/powerpc/boot/dts/mpc7448hpc2.dts@@ -81,6 +81,7 @@ }; ethernet@6200 { + linux,network-index = <0>; #size-cells = <0>; device_type = "network"; model = "TSI-ETH";
@@ -93,6 +94,7 @@ }; ethernet@6600 { + linux,network-index = <1>; #address-cells = <1>; #size-cells = <0>; device_type = "network";
@@ -188,5 +190,8 @@ }; }; }; + chosen { + linux,stdout-path = "/tsi108@c0000000/serial@7808"; + }; };
diff --git a/arch/powerpc/boot/ppcboot.h b/arch/powerpc/boot/ppcboot.h
index 5290ff2..f7ef004 100644
--- a/arch/powerpc/boot/ppcboot.h
+++ b/arch/powerpc/boot/ppcboot.h@@ -78,7 +78,7 @@ typedef struct bd_info { hymod_conf_t bi_hymod_conf; /* hymod configuration information */ #endif #if defined(TARGET_EVB64260) || defined(TARGET_405EP) || defined(TARGET_44x) || \ - defined(TARGET_85xx) || defined(TARGET_83xx) + defined(TARGET_85xx) || defined(TARGET_83xx) || defined(TARGET_TSI108_BRIDGE) /* second onboard ethernet port */ unsigned char bi_enet1addr[6]; #define HAVE_ENET1ADDR
diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig
index f2d2626..9a6c6c2 100644
--- a/arch/powerpc/platforms/embedded6xx/Kconfig
+++ b/arch/powerpc/platforms/embedded6xx/Kconfig@@ -20,6 +20,7 @@ config MPC7448HPC2 select TSI108_BRIDGE select DEFAULT_UIMAGE select PPC_UDBG_16550 + select WANT_DEVICE_TREE help Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga) platform
diff --git a/include/asm-ppc/ppcboot.h b/include/asm-ppc/ppcboot.h
index 6b7b63f..eb6e18d 100644
--- a/include/asm-ppc/ppcboot.h
+++ b/include/asm-ppc/ppcboot.h@@ -74,7 +74,7 @@ typedef struct bd_info { hymod_conf_t bi_hymod_conf; /* hymod configuration information */ #endif #if defined(CONFIG_EVB64260) || defined(CONFIG_405EP) || defined(CONFIG_44x) || \ - defined(CONFIG_85xx) || defined(CONFIG_83xx) + defined(CONFIG_85xx) || defined(CONFIG_83xx) || defined(CONFIG_TSI108_BRIDGE) /* second onboard ethernet port */ unsigned char bi_enet1addr[6]; #endif
--
1.5.1