| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * |
| * (C) Copyright 2000-2003 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. |
| * TsiChung Liew (Tsi-Chung.Liew@freescale.com) |
| */ |
| |
| #include <common.h> |
| #include <clock_legacy.h> |
| #include <asm/processor.h> |
| |
| #include <asm/immap.h> |
| #include <asm/io.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| /* |
| * get_clocks() fills in gd->cpu_clock and gd->bus_clk |
| */ |
| int get_clocks(void) |
| { |
| pll_t *pll = (pll_t *)(MMAP_PLL); |
| |
| out_be32(&pll->syncr, PLL_SYNCR_MFD(1)); |
| |
| while (!(in_be32(&pll->synsr) & PLL_SYNSR_LOCK)) |
| ; |
| |
| gd->bus_clk = CONFIG_SYS_CLK; |
| gd->cpu_clk = (gd->bus_clk * 2); |
| |
| #ifdef CONFIG_SYS_I2C_FSL |
| gd->arch.i2c1_clk = gd->bus_clk; |
| #endif |
| |
| return (0); |
| } |