On 3/9/24 03:11, Marek Vasut wrote:
Move board_interface_eth_init() into eqos_probe_syscfg_stm32() in
STM32 driver glue code. The eqos_probe_syscfg_stm32() parses STM32
specific DT properties of this MAC and configures SYSCFG registers
accordingly, there is nothing board specific happening in this
function, move it into generic driver code instead. Drop the now unused 
duplicates from board files.

Signed-off-by: Marek Vasut <ma...@denx.de>
---
Cc: Christophe Roullier <christophe.roull...@st.com>
Cc: Joe Hershberger <joe.hershber...@ni.com>
Cc: Patrice Chotard <patrice.chot...@foss.st.com>
Cc: Patrick Delaunay <patrick.delau...@foss.st.com>
Cc: Ramon Fried <rfried....@gmail.com>
Cc: u-b...@dh-electronics.com
Cc: uboot-st...@st-md-mailman.stormreply.com
---
  board/dhelectronics/dh_stm32mp1/board.c | 82 -----------------------
  board/st/stm32mp1/stm32mp1.c            | 82 -----------------------
  drivers/net/dwc_eth_qos_stm32.c         | 86 ++++++++++++++++++++++++-
  3 files changed, 84 insertions(+), 166 deletions(-)

diff --git a/board/dhelectronics/dh_stm32mp1/board.c
b/board/dhelectronics/dh_stm32mp1/board.c
index d1f662d9701..f179c857116 100644
--- a/board/dhelectronics/dh_stm32mp1/board.c
+++ b/board/dhelectronics/dh_stm32mp1/board.c
@@ -48,12 +48,10 @@

  /* SYSCFG registers */
  #define SYSCFG_BOOTR         0x00
-#define SYSCFG_PMCSETR               0x04
  #define SYSCFG_IOCTRLSETR    0x18
  #define SYSCFG_ICNR          0x1C
  #define SYSCFG_CMPCR         0x20
  #define SYSCFG_CMPENSETR     0x24
-#define SYSCFG_PMCCLRR               0x44

  #define SYSCFG_BOOTR_BOOT_MASK               GENMASK(2, 0)
  #define SYSCFG_BOOTR_BOOTPD_SHIFT    4
@@ -69,16 +67,6 @@

  #define SYSCFG_CMPENSETR_MPU_EN              BIT(0)

-#define SYSCFG_PMCSETR_ETH_CLK_SEL   BIT(16)
-#define SYSCFG_PMCSETR_ETH_REF_CLK_SEL       BIT(17)
-
-#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 KS_CCR               0x08
  #define KS_CCR_EEPROM        BIT(9)
  #define KS_BE0               BIT(12)
@@ -679,76 +667,6 @@ void board_quiesce_devices(void)  #endif  }

-/* eth init function : weak called in eqos driver */ -int
board_interface_eth_init(struct udevice *dev,
-                          phy_interface_t interface_type)
-{
-     u8 *syscfg;
-     u32 value;
-     bool eth_clk_sel_reg = false;
-     bool eth_ref_clk_sel_reg = false;
-
-     /* Gigabit Ethernet 125MHz clock selection. */
-     eth_clk_sel_reg = dev_read_bool(dev, "st,eth-clk-sel");
-
-     /* Ethernet 50Mhz RMII clock selection */
-     eth_ref_clk_sel_reg =
-             dev_read_bool(dev, "st,eth-ref-clk-sel");
-
-     syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
-
-     if (!syscfg)
-             return -ENODEV;
-
-     switch (interface_type) {
-     case PHY_INTERFACE_MODE_MII:
-             value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
-                     SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
-             debug("%s: PHY_INTERFACE_MODE_MII\n", __func__);
-             break;
-     case PHY_INTERFACE_MODE_GMII:
-             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;
-             debug("%s: PHY_INTERFACE_MODE_GMII\n", __func__);
-             break;
-     case PHY_INTERFACE_MODE_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;
-             debug("%s: PHY_INTERFACE_MODE_RMII\n", __func__);
-             break;
-     case PHY_INTERFACE_MODE_RGMII:
-     case PHY_INTERFACE_MODE_RGMII_ID:
-     case PHY_INTERFACE_MODE_RGMII_RXID:
-     case PHY_INTERFACE_MODE_RGMII_TXID:
-             if (eth_clk_sel_reg)
-                     value = SYSCFG_PMCSETR_ETH_SEL_RGMII |
-                             SYSCFG_PMCSETR_ETH_CLK_SEL;
-             else
-                     value = SYSCFG_PMCSETR_ETH_SEL_RGMII;
-             debug("%s: PHY_INTERFACE_MODE_RGMII\n", __func__);
-             break;
-     default:
-             debug("%s: Do not manage %d interface\n",
-                   __func__, interface_type);
-             /* Do not manage others interfaces */
-             return -EINVAL;
-     }
-
-     /* clear and set ETH configuration bits */
-     writel(SYSCFG_PMCSETR_ETH_SEL_MASK | SYSCFG_PMCSETR_ETH_SELMII |
-            SYSCFG_PMCSETR_ETH_REF_CLK_SEL | SYSCFG_PMCSETR_ETH_CLK_SEL,
-            syscfg + SYSCFG_PMCCLRR);
-     writel(value, syscfg + SYSCFG_PMCSETR);
-
-     return 0;
-}
-
  #if defined(CONFIG_OF_BOARD_SETUP)
  int ft_board_setup(void *blob, struct bd_info *bd)  { diff --git
a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c index
a17c314daeb..f284b0dfd28 100644
--- a/board/st/stm32mp1/stm32mp1.c
+++ b/board/st/stm32mp1/stm32mp1.c
@@ -52,12 +52,10 @@

  /* SYSCFG registers */
  #define SYSCFG_BOOTR         0x00
-#define SYSCFG_PMCSETR               0x04
  #define SYSCFG_IOCTRLSETR    0x18
  #define SYSCFG_ICNR          0x1C
  #define SYSCFG_CMPCR         0x20
  #define SYSCFG_CMPENSETR     0x24
-#define SYSCFG_PMCCLRR               0x44

  #define SYSCFG_BOOTR_BOOT_MASK               GENMASK(2, 0)
  #define SYSCFG_BOOTR_BOOTPD_SHIFT    4
@@ -73,16 +71,6 @@

  #define SYSCFG_CMPENSETR_MPU_EN              BIT(0)

-#define SYSCFG_PMCSETR_ETH_CLK_SEL   BIT(16)
-#define SYSCFG_PMCSETR_ETH_REF_CLK_SEL       BIT(17)
-
-#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 USB_LOW_THRESHOLD_UV         200000
  #define USB_WARNING_LOW_THRESHOLD_UV 660000
  #define USB_START_LOW_THRESHOLD_UV   1230000
@@ -742,76 +730,6 @@ void board_quiesce_devices(void)
       setup_led(LEDST_OFF);
  }

-/* eth init function : weak called in eqos driver */ -int
board_interface_eth_init(struct udevice *dev,
-                          phy_interface_t interface_type)
-{
-     u8 *syscfg;
-     u32 value;
-     bool eth_clk_sel_reg = false;
-     bool eth_ref_clk_sel_reg = false;
-
-     /* Gigabit Ethernet 125MHz clock selection. */
-     eth_clk_sel_reg = dev_read_bool(dev, "st,eth-clk-sel");
-
-     /* Ethernet 50Mhz RMII clock selection */
-     eth_ref_clk_sel_reg =
-             dev_read_bool(dev, "st,eth-ref-clk-sel");
-
-     syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
-
-     if (!syscfg)
-             return -ENODEV;
-
-     switch (interface_type) {
-     case PHY_INTERFACE_MODE_MII:
-             value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
-                     SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
-             log_debug("PHY_INTERFACE_MODE_MII\n");
-             break;
-     case PHY_INTERFACE_MODE_GMII:
-             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;
-             log_debug("PHY_INTERFACE_MODE_GMII\n");
-             break;
-     case PHY_INTERFACE_MODE_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;
-             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:
-             if (eth_clk_sel_reg)
-                     value = SYSCFG_PMCSETR_ETH_SEL_RGMII |
-                             SYSCFG_PMCSETR_ETH_CLK_SEL;
-             else
-                     value = SYSCFG_PMCSETR_ETH_SEL_RGMII;
-             log_debug("PHY_INTERFACE_MODE_RGMII\n");
-             break;
-     default:
-             log_debug("Do not manage %d interface\n",
-                       interface_type);
-             /* Do not manage others interfaces */
-             return -EINVAL;
-     }
-
-     /* clear and set ETH configuration bits */
-     writel(SYSCFG_PMCSETR_ETH_SEL_MASK | SYSCFG_PMCSETR_ETH_SELMII |
-            SYSCFG_PMCSETR_ETH_REF_CLK_SEL | SYSCFG_PMCSETR_ETH_CLK_SEL,
-            syscfg + SYSCFG_PMCCLRR);
-     writel(value, syscfg + SYSCFG_PMCSETR);
-
-     return 0;
-}
-
  enum env_location env_get_location(enum env_operation op, int prio)
{
       u32 bootmode = get_bootmode();
diff --git a/drivers/net/dwc_eth_qos_stm32.c
b/drivers/net/dwc_eth_qos_stm32.c index fd29a604987..7520a136ed0
100644
--- a/drivers/net/dwc_eth_qos_stm32.c
+++ b/drivers/net/dwc_eth_qos_stm32.c
@@ -24,11 +24,26 @@
  #include <netdev.h>
  #include <phy.h>
  #include <reset.h>
+#include <syscon.h>
  #include <wait_bit.h>
  #include <linux/delay.h>

  #include "dwc_eth_qos.h"

+/* SYSCFG registers */
+#define SYSCFG_PMCSETR               0x04
+#define SYSCFG_PMCCLRR               0x44
+
+#define SYSCFG_PMCSETR_ETH_CLK_SEL   BIT(16)
+#define SYSCFG_PMCSETR_ETH_REF_CLK_SEL       BIT(17)
+
+#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)
+
  static ulong eqos_get_tick_clk_rate_stm32(struct udevice *dev)  {
#ifdef CONFIG_CLK @@ -108,11 +123,78 @@ static int
eqos_stop_clks_stm32(struct udevice *dev)
       return 0;
  }

+static int eqos_probe_syscfg_stm32(struct udevice *dev,
+                                phy_interface_t interface_type) {
+     bool eth_ref_clk_sel_reg = false;
+     bool eth_clk_sel_reg = false;
+     u8 *syscfg;
+     u32 value;
+
+     /* Gigabit Ethernet 125MHz clock selection. */
+     eth_clk_sel_reg = dev_read_bool(dev, "st,eth-clk-sel");
+
+     /* Ethernet 50Mhz RMII clock selection */
+     eth_ref_clk_sel_reg = dev_read_bool(dev, "st,eth-ref-clk-sel");
+
+     syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
+     if (!syscfg)
+             return -ENODEV;
+
+     switch (interface_type) {
+     case PHY_INTERFACE_MODE_MII:
+             value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
+                     SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
+             log_debug("PHY_INTERFACE_MODE_MII\n");
+             break;
+     case PHY_INTERFACE_MODE_GMII:
+             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;
+             log_debug("PHY_INTERFACE_MODE_GMII\n");
+             break;
+     case PHY_INTERFACE_MODE_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;
+             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:
+             if (eth_clk_sel_reg)
+                     value = SYSCFG_PMCSETR_ETH_SEL_RGMII |
+                             SYSCFG_PMCSETR_ETH_CLK_SEL;
+             else
+                     value = SYSCFG_PMCSETR_ETH_SEL_RGMII;
+             log_debug("PHY_INTERFACE_MODE_RGMII\n");
+             break;
+     default:
+             log_debug("Do not manage %d interface\n",
+                       interface_type);
+             /* Do not manage others interfaces */
+             return -EINVAL;
+     }
+
+     /* clear and set ETH configuration bits */
+     writel(SYSCFG_PMCSETR_ETH_SEL_MASK | SYSCFG_PMCSETR_ETH_SELMII |
+            SYSCFG_PMCSETR_ETH_REF_CLK_SEL | SYSCFG_PMCSETR_ETH_CLK_SEL,
+            syscfg + SYSCFG_PMCCLRR);
+     writel(value, syscfg + SYSCFG_PMCSETR);
+
+     return 0;
+}
+
  static int eqos_probe_resources_stm32(struct udevice *dev)  {
       struct eqos_priv *eqos = dev_get_priv(dev);
-     int ret;
       phy_interface_t interface;
+     int ret;

       debug("%s(dev=%p):\n", __func__, dev);

@@ -123,7 +205,7 @@ static int eqos_probe_resources_stm32(struct udevice *dev)
               return -EINVAL;
       }

-     ret = board_interface_eth_init(dev, interface);
+     ret = eqos_probe_syscfg_stm32(dev, interface);
       if (ret)
               return -EINVAL;

Reviewed-by: Christophe Roullier <christophe.roull...@foss.st.com>

Reply via email to