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author | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 14:45:25 -0500 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 14:45:25 -0500 |
commit | fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204 (patch) | |
tree | 22962a4387943edc841c72a4e636a068c66d58fd /arch/powerpc/boot/cuboot-taishan.c | |
download | ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.zip ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.tar.gz |
Initial import of modified Linux 2.6.28 tree
Original upstream URL:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y
Diffstat (limited to 'arch/powerpc/boot/cuboot-taishan.c')
-rw-r--r-- | arch/powerpc/boot/cuboot-taishan.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/powerpc/boot/cuboot-taishan.c b/arch/powerpc/boot/cuboot-taishan.c new file mode 100644 index 0000000..9bc906a --- /dev/null +++ b/arch/powerpc/boot/cuboot-taishan.c @@ -0,0 +1,57 @@ +/* + * Old U-boot compatibility for Taishan + * + * Author: Hugh Blemings <hugh@au.ibm.com> + * + * Copyright 2007 Hugh Blemings, IBM Corporation. + * Based on cuboot-ebony.c which is: + * Copyright 2007 David Gibson, IBM Corporation. + * Based on cuboot-83xx.c, which is: + * 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" +#include "reg.h" +#include "dcr.h" +#include "4xx.h" + +#define TARGET_4xx +#define TARGET_44x +#define TARGET_440GX +#include "ppcboot.h" + +static bd_t bd; + +BSS_STACK(4096); + +static void taishan_fixups(void) +{ + /* FIXME: sysclk should be derived by reading the FPGA + registers */ + unsigned long sysclk = 33000000; + + ibm440gx_fixup_clocks(sysclk, 6 * 1843200, 25000000); + + ibm4xx_sdram_fixup_memsize(); + + dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); + dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); + + ibm4xx_fixup_ebc_ranges("/plb/opb/ebc"); +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + CUBOOT_INIT(); + + platform_ops.fixups = taishan_fixups; + fdt_init(_dtb_start); + serial_console_init(); +} |