| 1 | // SPDX-License-Identifier: GPL-2.0-only |
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| 2 | /* |
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| 3 | * Routines common to most mpc86xx-based boards. |
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| 4 | */ |
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| 5 | |
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| 6 | #include <linux/init.h> |
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| 7 | #include <linux/mod_devicetable.h> |
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| 8 | #include <linux/of_platform.h> |
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| 9 | #include <asm/reg.h> |
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| 10 | #include <asm/synch.h> |
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| 11 | |
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| 12 | #include "mpc86xx.h" |
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| 13 | |
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| 14 | static const struct of_device_id mpc86xx_common_ids[] __initconst = { |
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| 15 | { .type = "soc" , }, |
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| 16 | { .compatible = "soc" , }, |
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| 17 | { .compatible = "simple-bus" , }, |
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| 18 | { .name = "localbus" , }, |
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| 19 | { .compatible = "gianfar" , }, |
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| 20 | { .compatible = "fsl,mpc8641-pcie" , }, |
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| 21 | {}, |
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| 22 | }; |
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| 23 | |
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| 24 | int __init mpc86xx_common_publish_devices(void) |
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| 25 | { |
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| 26 | return of_platform_bus_probe(NULL, matches: mpc86xx_common_ids, NULL); |
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| 27 | } |
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| 28 | |
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| 29 | long __init mpc86xx_time_init(void) |
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| 30 | { |
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| 31 | unsigned int temp; |
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| 32 | |
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| 33 | /* Set the time base to zero */ |
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| 34 | mtspr(SPRN_TBWL, 0); |
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| 35 | mtspr(SPRN_TBWU, 0); |
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| 36 | |
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| 37 | temp = mfspr(SPRN_HID0); |
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| 38 | temp |= HID0_TBEN; |
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| 39 | mtspr(SPRN_HID0, temp); |
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| 40 | isync(); |
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| 41 | |
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| 42 | return 0; |
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| 43 | } |
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| 44 | |
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