From: Neil Armstrong <narmstrong@baylibre.com>
Date: Thu, 25 Feb 2021 08:44:34 +0000 (+0100)
Subject: arm: meson: remove static MDIO mux handling
X-Git-Tag: v2021.10~241^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=81233abf7344d6372cf8602c491d3194cd5df973;p=platform%2Fkernel%2Fu-boot.git

arm: meson: remove static MDIO mux handling

The static MDIO mux handling in mach-meson is no more needed, delete it.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---

diff --git a/arch/arm/mach-meson/board-g12a.c b/arch/arm/mach-meson/board-g12a.c
index bb75d4f..bfd40fe 100644
--- a/arch/arm/mach-meson/board-g12a.c
+++ b/arch/arm/mach-meson/board-g12a.c
@@ -97,31 +97,6 @@ static struct mm_region g12a_mem_map[] = {
 
 struct mm_region *mem_map = g12a_mem_map;
 
-static void g12a_enable_external_mdio(void)
-{
-	writel(0x0, ETH_PHY_CNTL2);
-}
-
-static void g12a_enable_internal_mdio(void)
-{
-	/* Fire up the PHY PLL */
-	writel(0x29c0040a, ETH_PLL_CNTL0);
-	writel(0x927e0000, ETH_PLL_CNTL1);
-	writel(0xac5f49e5, ETH_PLL_CNTL2);
-	writel(0x00000000, ETH_PLL_CNTL3);
-	writel(0x00000000, ETH_PLL_CNTL4);
-	writel(0x20200000, ETH_PLL_CNTL5);
-	writel(0x0000c002, ETH_PLL_CNTL6);
-	writel(0x00000023, ETH_PLL_CNTL7);
-	writel(0x39c0040a, ETH_PLL_CNTL0);
-	writel(0x19c0040a, ETH_PLL_CNTL0);
-
-	/* Select the internal MDIO */
-	writel(0x33000180, ETH_PHY_CNTL0);
-	writel(0x00074043, ETH_PHY_CNTL1);
-	writel(0x00000260, ETH_PHY_CNTL2);
-}
-
 /* Configure the Ethernet MAC with the requested interface mode
  * with some optional flags.
  */
@@ -138,7 +113,6 @@ void meson_eth_init(phy_interface_t mode, unsigned int flags)
 			     G12A_ETH_REG_0_TX_RATIO(4) |
 			     G12A_ETH_REG_0_PHY_CLK_EN |
 			     G12A_ETH_REG_0_CLK_EN);
-		g12a_enable_external_mdio();
 		break;
 
 	case PHY_INTERFACE_MODE_RMII:
@@ -146,13 +120,6 @@ void meson_eth_init(phy_interface_t mode, unsigned int flags)
 		out_le32(G12A_ETH_REG_0, G12A_ETH_REG_0_PHY_INTF_RMII |
 					G12A_ETH_REG_0_INVERT_RMII_CLK |
 					G12A_ETH_REG_0_CLK_EN);
-
-		/* Use G12A RMII Internal PHY */
-		if (flags & MESON_USE_INTERNAL_RMII_PHY)
-			g12a_enable_internal_mdio();
-		else
-			g12a_enable_external_mdio();
-
 		break;
 
 	default:
diff --git a/arch/arm/mach-meson/board-gx.c b/arch/arm/mach-meson/board-gx.c
index f5273f4..876405f 100644
--- a/arch/arm/mach-meson/board-gx.c
+++ b/arch/arm/mach-meson/board-gx.c
@@ -126,10 +126,6 @@ void meson_eth_init(phy_interface_t mode, unsigned int flags)
 			     GX_ETH_REG_0_PHY_CLK_EN |
 			     GX_ETH_REG_0_CLK_EN);
 
-		/* Reset to external PHY */
-		if(!IS_ENABLED(CONFIG_MESON_GXBB))
-			writel(0x2009087f, GX_ETH_REG_3);
-
 		break;
 
 	case PHY_INTERFACE_MODE_RMII:
@@ -137,14 +133,8 @@ void meson_eth_init(phy_interface_t mode, unsigned int flags)
 		out_le32(GX_ETH_REG_0, GX_ETH_REG_0_INVERT_RMII_CLK |
 					 GX_ETH_REG_0_CLK_EN);
 
-		/* Use GXL RMII Internal PHY (also on GXM) */
-		if (!IS_ENABLED(CONFIG_MESON_GXBB)) {
-			if ((flags & MESON_USE_INTERNAL_RMII_PHY)) {
-				writel(0x10110181, GX_ETH_REG_2);
-				writel(0xe40908ff, GX_ETH_REG_3);
-			} else
-				writel(0x2009087f, GX_ETH_REG_3);
-		}
+		if (!IS_ENABLED(CONFIG_MESON_GXBB))
+			writel(0x10110181, GX_ETH_REG_2);
 
 		break;