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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/powerpc/boot/cuboot-824x.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/boot/cuboot-824x.c')
-rw-r--r-- | arch/powerpc/boot/cuboot-824x.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/powerpc/boot/cuboot-824x.c b/arch/powerpc/boot/cuboot-824x.c new file mode 100644 index 000000000..15818cb97 --- /dev/null +++ b/arch/powerpc/boot/cuboot-824x.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Old U-boot compatibility for 824x + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + */ + +#include "ops.h" +#include "stdio.h" +#include "cuboot.h" + +#define TARGET_824x +#include "ppcboot.h" + +static bd_t bd; + + +static void platform_fixups(void) +{ + void *soc; + + dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); + dt_fixup_mac_addresses(bd.bi_enetaddr); + dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq); + + soc = find_node_by_devtype(NULL, "soc"); + if (soc) { + void *serial = NULL; + + setprop(soc, "bus-frequency", &bd.bi_busfreq, + sizeof(bd.bi_busfreq)); + + while ((serial = find_node_by_devtype(serial, "serial"))) { + if (get_parent(serial) != soc) + continue; + + setprop(serial, "clock-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) +{ + CUBOOT_INIT(); + fdt_init(_dtb_start); + serial_console_init(); + platform_ops.fixups = platform_fixups; +} |