| 1 | |
| 2 | |
| 3 | * arch/sh/kernel/cpu/clock.c - SuperH clock framework
|
| 4 | *
|
| 5 | * Copyright (C) 2005 - 2009 Paul Mundt
|
| 6 | *
|
| 7 | * This clock framework is derived from the OMAP version by:
|
| 8 | *
|
| 9 | * Copyright (C) 2004 - 2008 Nokia Corporation
|
| 10 | * Written by Tuukka Tikkanen <[email protected]>
|
| 11 | *
|
| 12 | * Modified for omap shared clock framework by Tony Lindgren <[email protected]>
|
| 13 |
|
| 14 | #include <linux/kernel.h>
|
| 15 | #include <linux/init.h>
|
| 16 | #include <linux/clk.h>
|
| 17 | #include <asm/clock.h>
|
| 18 | #include <asm/machvec.h>
|
| 19 |
|
| 20 | int __init clk_init(void)
|
| 21 | {
|
| 22 | int ret;
|
| 23 |
|
| 24 | #ifndef CONFIG_COMMON_CLK
|
| 25 | ret = arch_clk_init();
|
| 26 | if (unlikely(ret)) {
|
| 27 | pr_err("%s: CPU clock registration failed.\n", __func__);
|
| 28 | return ret;
|
| 29 | }
|
| 30 | #endif
|
| 31 |
|
| 32 | if (sh_mv.mv_clk_init) {
|
| 33 | ret = sh_mv.mv_clk_init();
|
| 34 | if (unlikely(ret)) {
|
| 35 | pr_err("%s: machvec clock initialization failed.\n",
|
| 36 | __func__);
|
| 37 | return ret;
|
| 38 | }
|
| 39 | }
|
| 40 |
|
| 41 | #ifndef CONFIG_COMMON_CLK
|
| 42 |
|
| 43 | recalculate_root_clocks();
|
| 44 |
|
| 45 |
|
| 46 | clk_enable_init_clocks();
|
| 47 | #endif
|
| 48 |
|
| 49 | return ret;
|
| 50 | }
|
| 51 |
|
| 52 |
|