2 * Copyright (C) 2014, STMicroelectronics - All Rights Reserved
3 * Author(s): Vikas Manocha, <vikas.manocha@st.com> for STMicroelectronics.
5 * SPDX-License-Identifier: GPL-2.0+
9 #include <asm/arch/hardware.h>
10 #include <asm/arch/stv0991_cgu.h>
11 #include<asm/arch/stv0991_periph.h>
13 static struct stv0991_cgu_regs *const stv0991_cgu_regs = \
14 (struct stv0991_cgu_regs *) (CGU_BASE_ADDR);
16 void enable_pll1(void)
18 /* pll1 already configured for 1000Mhz, just need to enable it */
19 writel(readl(&stv0991_cgu_regs->pll1_ctrl) & ~(0x01),
20 &stv0991_cgu_regs->pll1_ctrl);
23 void clock_setup(int peripheral)
27 writel(UART_CLK_CFG, &stv0991_cgu_regs->uart_freq);
31 writel(ETH_CLK_CFG, &stv0991_cgu_regs->eth_freq);
33 /* Clock selection for ethernet tx_clk & rx_clk*/
34 writel((readl(&stv0991_cgu_regs->eth_ctrl) & ETH_CLK_MASK)
35 | ETH_CLK_CTRL, &stv0991_cgu_regs->eth_ctrl);
38 writel(QSPI_CLK_CTRL, &stv0991_cgu_regs->qspi_freq);