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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/powerpc/boot/cuboot-85xx-cpm2.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/boot/cuboot-85xx-cpm2.c')
-rw-r--r-- | arch/powerpc/boot/cuboot-85xx-cpm2.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/powerpc/boot/cuboot-85xx-cpm2.c b/arch/powerpc/boot/cuboot-85xx-cpm2.c new file mode 100644 index 0000000000..ac5115beb3 --- /dev/null +++ b/arch/powerpc/boot/cuboot-85xx-cpm2.c @@ -0,0 +1,63 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Old U-boot compatibility for 85xx + * + * Author: Scott Wood <scottwood@freescale.com> + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + */ + +#include "ops.h" +#include "stdio.h" +#include "cuboot.h" + +#define TARGET_85xx +#define TARGET_CPM2 +#include "ppcboot.h" + +static bd_t bd; + +static void platform_fixups(void) +{ + void *devp; + + dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); + dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); + dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); + dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr); + dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq); + + /* Unfortunately, the specific model number is encoded in the + * soc node name in existing dts files -- once that is fixed, + * this can do a simple path lookup. + */ + devp = find_node_by_devtype(NULL, "soc"); + if (devp) { + void *serial = NULL; + + setprop(devp, "bus-frequency", &bd.bi_busfreq, + sizeof(bd.bi_busfreq)); + + while ((serial = find_node_by_devtype(serial, "serial"))) { + if (get_parent(serial) != devp) + continue; + + setprop(serial, "clock-frequency", &bd.bi_busfreq, + sizeof(bd.bi_busfreq)); + } + } + + devp = find_node_by_compatible(NULL, "fsl,cpm2-brg"); + if (devp) + setprop(devp, "clock-frequency", &bd.bi_brgfreq, + sizeof(bd.bi_brgfreq)); +} + +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; +} |