This patch provides a generic way to setup ENET (ETH) clocks for imx6(q)
based boards. Previously this was performed per board in the
board_eth_init() function.
Signed-off-by: Lukasz Majewski <lu...@denx.de>
---
arch/arm/include/asm/arch-mx6/clock.h | 1 +
arch/arm/mach-imx/mx6/clock.c | 17 +++++++++++++++++
2 files changed, 18 insertions(+)
diff --git a/arch/arm/include/asm/arch-mx6/clock.h
b/arch/arm/include/asm/arch-mx6/clock.h
index a9481a5fea..9a217349f5 100644
--- a/arch/arm/include/asm/arch-mx6/clock.h
+++ b/arch/arm/include/asm/arch-mx6/clock.h
@@ -72,6 +72,7 @@ int enable_i2c_clk(unsigned char enable, unsigned i2c_num);
int enable_spi_clk(unsigned char enable, unsigned spi_num);
void enable_ipu_clock(void);
int enable_fec_anatop_clock(int fec_id, enum enet_freq freq);
+int set_fec_clock(int fec_id, enum enet_freq freq);
void enable_enet_clk(unsigned char enable);
int enable_lcdif_clock(u32 base_addr, bool enable);
void enable_qspi_clk(int qspi_num);
diff --git a/arch/arm/mach-imx/mx6/clock.c b/arch/arm/mach-imx/mx6/clock.c
index 366a4e3c6b..8a4fb23090 100644
--- a/arch/arm/mach-imx/mx6/clock.c
+++ b/arch/arm/mach-imx/mx6/clock.c
@@ -902,6 +902,17 @@ void enable_qspi_clk(int qspi_num)
#endif
#ifdef CONFIG_FEC_MXC
+static void select_fec_clock_source(int fec_id)
+{
+ struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+ if (is_mx6dq()) {
+ /* set gpr1[21] to select anatop clock */
+ setbits_le32(&iomuxc_regs->gpr[1],
+ IOMUXC_GPR1_ENET_CLK_SEL_MASK);
+ }
+}
+
int enable_fec_anatop_clock(int fec_id, enum enet_freq freq)
{
u32 reg = 0;
@@ -976,6 +987,12 @@ int enable_fec_anatop_clock(int fec_id, enum enet_freq
freq)
#endif
return 0;
}
+
+int set_fec_clock(int fec_id, enum enet_freq freq)
+{
+ select_fec_clock_source(fec_id);
+ return enable_fec_anatop_clock(fec_id, freq);
+}
#endif
static u32 get_usdhc_clk(u32 port)
--
2.11.0
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