From 0b195812dfbccc2ac33e17b35b899dd4fea7611f Mon Sep 17 00:00:00 2001 From: Scott Wood Date: Tue, 21 Aug 2007 03:40:01 +1000 Subject: [POWERPC] bootwrapper: Add 8xx cuboot support This allows booting on legacy, non-device-tree aware versions of U-boot. Signed-off-by: Scott Wood Acked-by: David Gibson Signed-off-by: Paul Mackerras --- arch/powerpc/boot/cuboot-8xx.c | 45 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 arch/powerpc/boot/cuboot-8xx.c (limited to 'arch/powerpc/boot/cuboot-8xx.c') diff --git a/arch/powerpc/boot/cuboot-8xx.c b/arch/powerpc/boot/cuboot-8xx.c new file mode 100644 index 00000000000..88ed84015a8 --- /dev/null +++ b/arch/powerpc/boot/cuboot-8xx.c @@ -0,0 +1,45 @@ +/* + * Old U-boot compatibility for 8xx + * + * Author: Scott Wood + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ops.h" +#include "stdio.h" +#include "cuboot.h" + +#define TARGET_8xx +#define TARGET_HAS_ETH1 +#include "ppcboot.h" + +static bd_t bd; + +static void platform_fixups(void) +{ + void *node; + + 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 / 16, bd.bi_busfreq); + + node = finddevice("/soc/cpm"); + if (node) { + setprop(node, "clock-frequency", &bd.bi_busfreq, 4); + setprop(node, "fsl,brg-frequency", &bd.bi_busfreq, 4); + } +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + CUBOOT_INIT(); + ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + serial_console_init(); + platform_ops.fixups = platform_fixups; +} -- cgit v1.2.3 From 6d817aa71fddea859ba02d1a0b326da930ce6b50 Mon Sep 17 00:00:00 2001 From: Scott Wood Date: Wed, 29 Aug 2007 15:08:40 -0500 Subject: [POWERPC] CPM: Change from fsl,brg-frequency to brg/clock-frequency As suggested by David Gibson, now that we have a separate node for the baud rate generators, it's better to use the standard clock-frequency property than a cpm-node-level fsl,brg-frequency property. This patch updates existing places where fsl,brg-frequency is used. Signed-off-by: Scott Wood Signed-off-by: Kumar Gala --- arch/powerpc/boot/cuboot-8xx.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'arch/powerpc/boot/cuboot-8xx.c') diff --git a/arch/powerpc/boot/cuboot-8xx.c b/arch/powerpc/boot/cuboot-8xx.c index 88ed84015a8..0e82015a5f9 100644 --- a/arch/powerpc/boot/cuboot-8xx.c +++ b/arch/powerpc/boot/cuboot-8xx.c @@ -29,10 +29,12 @@ static void platform_fixups(void) dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq); node = finddevice("/soc/cpm"); - if (node) { + if (node) setprop(node, "clock-frequency", &bd.bi_busfreq, 4); - setprop(node, "fsl,brg-frequency", &bd.bi_busfreq, 4); - } + + node = finddevice("/soc/cpm/brg"); + if (node) + setprop(node, "clock-frequency", &bd.bi_busfreq, 4); } void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, -- cgit v1.2.3