Use FIELD_PREP to configure content of ETH_SEL bitfield in SYSCFG_PMCSETR register. No functional change.
Reviewed-by: Patrice Chotard patrice.chotard@foss.st.com Signed-off-by: Marek Vasut marex@denx.de --- Cc: Christophe Roullier christophe.roullier@st.com Cc: Joe Hershberger joe.hershberger@ni.com Cc: Patrice Chotard patrice.chotard@foss.st.com Cc: Patrick Delaunay patrick.delaunay@foss.st.com Cc: Ramon Fried rfried.dev@gmail.com Cc: u-boot@dh-electronics.com Cc: uboot-stm32@st-md-mailman.stormreply.com --- V2: Add RB from Patrice --- drivers/net/dwc_eth_qos_stm32.c | 33 ++++++++++++++++----------------- 1 file changed, 16 insertions(+), 17 deletions(-)
diff --git a/drivers/net/dwc_eth_qos_stm32.c b/drivers/net/dwc_eth_qos_stm32.c index d7ec0c9be36..7545026b158 100644 --- a/drivers/net/dwc_eth_qos_stm32.c +++ b/drivers/net/dwc_eth_qos_stm32.c @@ -26,6 +26,7 @@ #include <reset.h> #include <syscon.h> #include <wait_bit.h> +#include <linux/bitfield.h> #include <linux/delay.h>
#include "dwc_eth_qos.h" @@ -40,9 +41,9 @@ #define SYSCFG_PMCSETR_ETH_SELMII BIT(20)
#define SYSCFG_PMCSETR_ETH_SEL_MASK GENMASK(23, 21) -#define SYSCFG_PMCSETR_ETH_SEL_GMII_MII 0 -#define SYSCFG_PMCSETR_ETH_SEL_RGMII BIT(21) -#define SYSCFG_PMCSETR_ETH_SEL_RMII BIT(23) +#define SYSCFG_PMCSETR_ETH_SEL_GMII_MII 0x0 +#define SYSCFG_PMCSETR_ETH_SEL_RGMII 0x1 +#define SYSCFG_PMCSETR_ETH_SEL_RMII 0x4
static ulong eqos_get_tick_clk_rate_stm32(struct udevice *dev) { @@ -142,35 +143,33 @@ static int eqos_probe_syscfg_stm32(struct udevice *dev,
switch (interface_type) { case PHY_INTERFACE_MODE_MII: - value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII | - SYSCFG_PMCSETR_ETH_REF_CLK_SEL; + value = FIELD_PREP(SYSCFG_PMCSETR_ETH_SEL_MASK, + SYSCFG_PMCSETR_ETH_SEL_GMII_MII); + value |= SYSCFG_PMCSETR_ETH_REF_CLK_SEL; log_debug("PHY_INTERFACE_MODE_MII\n"); break; case PHY_INTERFACE_MODE_GMII: + value = FIELD_PREP(SYSCFG_PMCSETR_ETH_SEL_MASK, + SYSCFG_PMCSETR_ETH_SEL_GMII_MII); if (eth_clk_sel_reg) - value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII | - SYSCFG_PMCSETR_ETH_CLK_SEL; - else - value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII; + value |= SYSCFG_PMCSETR_ETH_CLK_SEL; log_debug("PHY_INTERFACE_MODE_GMII\n"); break; case PHY_INTERFACE_MODE_RMII: + value = FIELD_PREP(SYSCFG_PMCSETR_ETH_SEL_MASK, + SYSCFG_PMCSETR_ETH_SEL_RMII); if (eth_ref_clk_sel_reg) - value = SYSCFG_PMCSETR_ETH_SEL_RMII | - SYSCFG_PMCSETR_ETH_REF_CLK_SEL; - else - value = SYSCFG_PMCSETR_ETH_SEL_RMII; + value |= SYSCFG_PMCSETR_ETH_REF_CLK_SEL; log_debug("PHY_INTERFACE_MODE_RMII\n"); break; case PHY_INTERFACE_MODE_RGMII: case PHY_INTERFACE_MODE_RGMII_ID: case PHY_INTERFACE_MODE_RGMII_RXID: case PHY_INTERFACE_MODE_RGMII_TXID: + value = FIELD_PREP(SYSCFG_PMCSETR_ETH_SEL_MASK, + SYSCFG_PMCSETR_ETH_SEL_RGMII); if (eth_clk_sel_reg) - value = SYSCFG_PMCSETR_ETH_SEL_RGMII | - SYSCFG_PMCSETR_ETH_CLK_SEL; - else - value = SYSCFG_PMCSETR_ETH_SEL_RGMII; + value |= SYSCFG_PMCSETR_ETH_CLK_SEL; log_debug("PHY_INTERFACE_MODE_RGMII\n"); break; default: