Merge tag 'u-boot-imx-20200502' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx

i.MX for 2020.07
----------------

- imxrt: fix LCD clock, fix doc
- new board: Coral Dev
- imx8: enable Cache in SPL. SNVS, update SCFW API
- imx8MM: fix reset, 8MQ quand and QuadLite, CPU speed grading
- MX6ULL : is_imx6ull to include i.MX6ULZ
- Net: add config to enable TXC delay

Travis: https://travis-ci.org/github/sbabic/u-boot-imx/builds/682033914

3 files changed, 129 insertions, 32 deletions

diff --git a/board/toradex/apalis_imx6/apalis_imx6.c b/board/toradex/apalis_imx6/apalis_imx6.c
index 3f85f1ac89..8c4a359c75 100644
--- a/board/toradex/apalis_imx6/apalis_imx6.c
+++ b/board/toradex/apalis_imx6/apalis_imx6.c
@@ -137,22 +137,79 @@ iomux_v3_cfg_t const usdhc3_pads[] = {
 
 int mx6_rgmii_rework(struct phy_device *phydev)
 {
-	/* control data pad skew - devaddr = 0x02, register = 0x04 */
-	ksz9031_phy_extended_write(phydev, 0x02,
-				   MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
-				   MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
-	/* rx data pad skew - devaddr = 0x02, register = 0x05 */
-	ksz9031_phy_extended_write(phydev, 0x02,
-				   MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
-				   MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
-	/* tx data pad skew - devaddr = 0x02, register = 0x05 */
-	ksz9031_phy_extended_write(phydev, 0x02,
-				   MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
-				   MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
-	/* gtx and rx clock pad skew - devaddr = 0x02, register = 0x08 */
-	ksz9031_phy_extended_write(phydev, 0x02,
-				   MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
-				   MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x03FF);
+	int tmp;
+
+	switch (ksz9xx1_phy_get_id(phydev) & MII_KSZ9x31_SILICON_REV_MASK) {
+	case PHY_ID_KSZ9131:
+		/* read rxc dll control - devaddr = 0x02, register = 0x4c */
+		tmp = ksz9031_phy_extended_read(phydev, 0x02,
+					   MII_KSZ9131_EXT_RGMII_2NS_SKEW_RXDLL,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC);
+		/* disable rxdll bypass (enable 2ns skew delay on RXC) */
+		tmp &= ~MII_KSZ9131_RXTXDLL_BYPASS;
+		/* rxc data pad skew 2ns - devaddr = 0x02, register = 0x4c */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9131_EXT_RGMII_2NS_SKEW_RXDLL,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   tmp);
+		/* read txc dll control - devaddr = 0x02, register = 0x4d */
+		tmp = ksz9031_phy_extended_read(phydev, 0x02,
+					   MII_KSZ9131_EXT_RGMII_2NS_SKEW_TXDLL,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC);
+		/* disable rxdll bypass (enable 2ns skew delay on TXC) */
+		tmp &= ~MII_KSZ9131_RXTXDLL_BYPASS;
+		/* txc data pad skew 2ns - devaddr = 0x02, register = 0x4d */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9131_EXT_RGMII_2NS_SKEW_TXDLL,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   tmp);
+
+		/* control data pad skew - devaddr = 0x02, register = 0x04 */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   0x007d);
+		/* rx data pad skew - devaddr = 0x02, register = 0x05 */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   0x7777);
+		/* tx data pad skew - devaddr = 0x02, register = 0x05 */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   0xdddd);
+		/* gtx and rx clock pad skew - devaddr = 0x02,register = 0x08 */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   0x0007);
+		break;
+	case PHY_ID_KSZ9031:
+	default:
+		/* control data pad skew - devaddr = 0x02, register = 0x04 */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   0x0000);
+		/* rx data pad skew - devaddr = 0x02, register = 0x05 */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   0x0000);
+		/* tx data pad skew - devaddr = 0x02, register = 0x05 */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   0x0000);
+		/* gtx and rx clock pad skew - devaddr = 0x02,register = 0x08 */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   0x03FF);
+		break;
+	}
+
 	return 0;
 }
 
diff --git a/board/toradex/verdin-imx8mm/spl.c b/board/toradex/verdin-imx8mm/spl.c
index a5dc540820..dc5bd84f33 100644
--- a/board/toradex/verdin-imx8mm/spl.c
+++ b/board/toradex/verdin-imx8mm/spl.c
@@ -169,12 +169,3 @@ void board_init_f(ulong dummy)
 
 	board_init_r(NULL, 0);
 }
-
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
-	puts("resetting ...\n");
-
-	reset_cpu(WDOG1_BASE_ADDR);
-
-	return 0;
-}
diff --git a/board/toradex/verdin-imx8mm/verdin-imx8mm.c b/board/toradex/verdin-imx8mm/verdin-imx8mm.c
index cb9b4e3b0a..35866e096a 100644
--- a/board/toradex/verdin-imx8mm/verdin-imx8mm.c
+++ b/board/toradex/verdin-imx8mm/verdin-imx8mm.c
@@ -9,6 +9,7 @@
 #include <asm/io.h>
 #include <miiphy.h>
 #include <netdev.h>
+#include <micrel.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -37,14 +38,62 @@ static int setup_fec(void)
 
 int board_phy_config(struct phy_device *phydev)
 {
-	/* enable rgmii rxc skew and phy mode select to RGMII copper */
-	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
-	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
+	int tmp;
 
-	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
-	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
-	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
-	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
+	switch (ksz9xx1_phy_get_id(phydev) & MII_KSZ9x31_SILICON_REV_MASK) {
+	case PHY_ID_KSZ9031:
+		/*
+		 * The PHY adds 1.2ns for the RXC and 0ns for TXC clock by
+		 * default. The MAC and the layout don't add a skew between
+		 * clock and data.
+		 * Add 0.3ns for the RXC path and 0.96 + 0.42 ns (1.38 ns) for
+		 * the TXC path to get the required clock skews.
+		 */
+		/* control data pad skew - devaddr = 0x02, register = 0x04 */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   0x0070);
+		/* rx data pad skew - devaddr = 0x02, register = 0x05 */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   0x7777);
+		/* tx data pad skew - devaddr = 0x02, register = 0x06 */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   0x0000);
+		/* gtx and rx clock pad skew - devaddr = 0x02,register = 0x08 */
+		ksz9031_phy_extended_write(phydev, 0x02,
+					   MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
+					   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+					   0x03f4);
+		break;
+	case PHY_ID_KSZ9131:
+	default:
+		/* read rxc dll control - devaddr = 0x2, register = 0x4c */
+		tmp = ksz9031_phy_extended_read(phydev, 0x02,
+					MII_KSZ9131_EXT_RGMII_2NS_SKEW_RXDLL,
+					MII_KSZ9031_MOD_DATA_NO_POST_INC);
+		/* disable rxdll bypass (enable 2ns skew delay on RXC) */
+		tmp &= ~MII_KSZ9131_RXTXDLL_BYPASS;
+		/* rxc data pad skew 2ns - devaddr = 0x02, register = 0x4c */
+		tmp = ksz9031_phy_extended_write(phydev, 0x02,
+					MII_KSZ9131_EXT_RGMII_2NS_SKEW_RXDLL,
+					MII_KSZ9031_MOD_DATA_NO_POST_INC, tmp);
+		/* read txc dll control - devaddr = 0x02, register = 0x4d */
+		tmp = ksz9031_phy_extended_read(phydev, 0x02,
+					MII_KSZ9131_EXT_RGMII_2NS_SKEW_TXDLL,
+					MII_KSZ9031_MOD_DATA_NO_POST_INC);
+		/* disable txdll bypass (enable 2ns skew delay on TXC) */
+		tmp &= ~MII_KSZ9131_RXTXDLL_BYPASS;
+		/* rxc data pad skew 2ns - devaddr = 0x02, register = 0x4d */
+		tmp = ksz9031_phy_extended_write(phydev, 0x02,
+					MII_KSZ9131_EXT_RGMII_2NS_SKEW_TXDLL,
+					MII_KSZ9031_MOD_DATA_NO_POST_INC, tmp);
+		break;
+	}
 
 	if (phydev->drv->config)
 		phydev->drv->config(phydev);