Merge branch '2020-08-24-misc-improvements'

- Squashfs compression support
- Coverity fixes
- XEN guest updates
- Finish previous MediaTek updates
- Arm Total Compute platform support

7 files changed, 61 insertions, 15 deletions

diff --git a/drivers/ata/mtk_ahci.c b/drivers/ata/mtk_ahci.c
index 8e09c5f9e6..4ad260a5bb 100644
--- a/drivers/ata/mtk_ahci.c
+++ b/drivers/ata/mtk_ahci.c
@@ -2,12 +2,10 @@
 /*
  * MTK SATA platform driver
  *
- * (C) Copyright 2020
- *     Mediatek
+ * Copyright (C) 2020 MediaTek Inc.
  *
- * Author: Frank Wunderlich <frank-w@public-files.de>
- * based on https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/ata/ahci_mtk.c
  * Author: Ryder Lee <ryder.lee@mediatek.com>
+ * Author: Frank Wunderlich <frank-w@public-files.de>
  */
 
 #include <common.h>
diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c
index d53ed69189..0246149107 100644
--- a/drivers/clk/mediatek/clk-mt7622.c
+++ b/drivers/clk/mediatek/clk-mt7622.c
@@ -521,6 +521,20 @@ static const struct mtk_gate_regs sgmii_cg_regs = {
 	.flags = CLK_GATE_NO_SETCLR_INV | CLK_PARENT_TOPCKGEN,	\
 }
 
+static const struct mtk_gate_regs ssusb_cg_regs = {
+	.set_ofs = 0x30,
+	.clr_ofs = 0x30,
+	.sta_ofs = 0x30,
+};
+
+#define GATE_SSUSB(_id, _parent, _shift) {                      \
+	.id = _id,                                              \
+	.parent = _parent,                                      \
+	.regs = &ssusb_cg_regs,                                 \
+	.shift = _shift,                                        \
+	.flags = CLK_GATE_NO_SETCLR_INV | CLK_PARENT_TOPCKGEN,  \
+}
+
 static const struct mtk_gate sgmii_cgs[] = {
 	GATE_SGMII(CLK_SGMII_TX250M_EN, CLK_TOP_SSUSB_TX250M, 2),
 	GATE_SGMII(CLK_SGMII_RX250M_EN, CLK_TOP_SSUSB_EQ_RX250M, 3),
@@ -528,6 +542,15 @@ static const struct mtk_gate sgmii_cgs[] = {
 	GATE_SGMII(CLK_SGMII_CDR_FB, CLK_TOP_SSUSB_CDR_FB, 5),
 };
 
+static const struct mtk_gate ssusb_cgs[] = {
+	GATE_SSUSB(CLK_SSUSB_U2_PHY_1P_EN, CLK_TOP_TO_U2_PHY_1P, 0),
+	GATE_SSUSB(CLK_SSUSB_U2_PHY_EN, CLK_TOP_TO_U2_PHY, 1),
+	GATE_SSUSB(CLK_SSUSB_REF_EN, CLK_TOP_TO_USB3_REF, 5),
+	GATE_SSUSB(CLK_SSUSB_SYS_EN, CLK_TOP_TO_USB3_SYS, 6),
+	GATE_SSUSB(CLK_SSUSB_MCU_EN, CLK_TOP_AXI_SEL, 7),
+	GATE_SSUSB(CLK_SSUSB_DMA_EN, CLK_TOP_HIF_SEL, 8),
+};
+
 static const struct mtk_clk_tree mt7622_clk_tree = {
 	.xtal_rate = 25 * MHZ,
 	.xtal2_rate = 25 * MHZ,
@@ -599,7 +622,6 @@ static int mt7622_pciesys_bind(struct udevice *dev)
 	int ret = 0;
 
 	if (IS_ENABLED(CONFIG_RESET_MEDIATEK)) {
-//	PCIESYS uses in linux also 0x34 = ETHSYS reset controller
 	ret = mediatek_reset_bind(dev, ETHSYS_HIFSYS_RST_CTRL_OFS, 1);
 	if (ret)
 		debug("Warning: failed to bind reset controller\n");
@@ -631,6 +653,11 @@ static int mt7622_sgmiisys_probe(struct udevice *dev)
 	return mtk_common_clk_gate_init(dev, &mt7622_clk_tree, sgmii_cgs);
 }
 
+static int mt7622_ssusbsys_probe(struct udevice *dev)
+{
+	return mtk_common_clk_gate_init(dev, &mt7622_clk_tree, ssusb_cgs);
+}
+
 static const struct udevice_id mt7622_apmixed_compat[] = {
 	{ .compatible = "mediatek,mt7622-apmixedsys" },
 	{ }
@@ -671,6 +698,11 @@ static const struct udevice_id mt7622_mcucfg_compat[] = {
 	{ }
 };
 
+static const struct udevice_id mt7622_ssusbsys_compat[] = {
+	{ .compatible = "mediatek,mt7622-ssusbsys" },
+	{ }
+};
+
 U_BOOT_DRIVER(mtk_mcucfg) = {
 	.name = "mt7622-mcucfg",
 	.id = UCLASS_SYSCON,
@@ -747,3 +779,12 @@ U_BOOT_DRIVER(mtk_clk_sgmiisys) = {
 	.priv_auto_alloc_size = sizeof(struct mtk_cg_priv),
 	.ops = &mtk_clk_gate_ops,
 };
+
+U_BOOT_DRIVER(mtk_clk_ssusbsys) = {
+	.name = "mt7622-clock-ssusbsys",
+	.id = UCLASS_CLK,
+	.of_match = mt7622_ssusbsys_compat,
+	.probe = mt7622_ssusbsys_probe,
+	.priv_auto_alloc_size = sizeof(struct mtk_cg_priv),
+	.ops = &mtk_clk_gate_ops,
+};
diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c
index 7d2e49fd3e..68953cc4f4 100644
--- a/drivers/firmware/psci.c
+++ b/drivers/firmware/psci.c
@@ -19,6 +19,7 @@
 #include <linux/errno.h>
 #include <linux/printk.h>
 #include <linux/psci.h>
+#include <asm/system.h>
 
 #define DRIVER_NAME "psci"
 
@@ -73,6 +74,11 @@ static int psci_probe(struct udevice *dev)
 {
 	const char *method;
 
+#if defined(CONFIG_ARM64)
+	if (current_el() == 3)
+		return -EINVAL;
+#endif
+
 	method = ofnode_read_string(dev_ofnode(dev), "method");
 	if (!method) {
 		pr_warn("missing \"method\" property\n");
diff --git a/drivers/phy/phy-mtk-tphy.c b/drivers/phy/phy-mtk-tphy.c
index 326227a30d..3d7b9cd2b1 100644
--- a/drivers/phy/phy-mtk-tphy.c
+++ b/drivers/phy/phy-mtk-tphy.c
@@ -698,11 +698,10 @@ static int mtk_tphy_probe(struct udevice *dev)
 	tphy->dev = dev;
 	tphy->version = dev_get_driver_data(dev);
 
-	/* v1 has shared banks */
+	/* v1 has shared banks for usb/pcie mode, */
+	/* but not for sata mode */
 	if (tphy->version == MTK_TPHY_V1) {
 		tphy->sif_base = dev_read_addr_ptr(dev);
-		if (!tphy->sif_base)
-			return -ENOENT;
 	}
 
 	dev_for_each_subnode(subnode, dev) {
diff --git a/drivers/virtio/virtio_blk.c b/drivers/virtio/virtio_blk.c
index 992118c607..1799f5c5eb 100644
--- a/drivers/virtio/virtio_blk.c
+++ b/drivers/virtio/virtio_blk.c
@@ -115,6 +115,7 @@ static int virtio_blk_probe(struct udevice *dev)
 		return ret;
 
 	desc->blksz = 512;
+	desc->log2blksz = 9;
 	virtio_cread(dev, struct virtio_blk_config, capacity, &cap);
 	desc->lba = cap;
 
diff --git a/drivers/xen/gnttab.c b/drivers/xen/gnttab.c
index becf7a79fb..9bf1091ab3 100644
--- a/drivers/xen/gnttab.c
+++ b/drivers/xen/gnttab.c
@@ -100,7 +100,8 @@ int gnttab_end_access(grant_ref_t ref)
 
 	nflags = gnttab_table[ref].flags;
 	do {
-		if ((flags = nflags) & (GTF_reading | GTF_writing)) {
+		flags = nflags;
+		if ((flags) & (GTF_reading | GTF_writing)) {
 			printf("WARNING: g.e. still in use! (%x)\n", flags);
 			return 0;
 		}
diff --git a/drivers/xen/pvblock.c b/drivers/xen/pvblock.c
index 76e82fbf41..1b3325bbe2 100644
--- a/drivers/xen/pvblock.c
+++ b/drivers/xen/pvblock.c
@@ -294,8 +294,8 @@ static void shutdown_blkfront(struct blkfront_dev *dev)
 	snprintf(path, sizeof(path), "%s/state", dev->backend);
 	snprintf(nodename, sizeof(nodename), "%s/state", dev->nodename);
 
-	if ((err = xenbus_switch_state(XBT_NIL, nodename,
-				       XenbusStateClosing)) != NULL) {
+	err = xenbus_switch_state(XBT_NIL, nodename, XenbusStateClosing);
+	if (err) {
 		printf("%s: error changing state to %d: %s\n", __func__,
 		       XenbusStateClosing, err);
 		goto close;
@@ -306,8 +306,8 @@ static void shutdown_blkfront(struct blkfront_dev *dev)
 		err = xenbus_wait_for_state_change(path, &state);
 	free(err);
 
-	if ((err = xenbus_switch_state(XBT_NIL, nodename,
-				       XenbusStateClosed)) != NULL) {
+	err = xenbus_switch_state(XBT_NIL, nodename, XenbusStateClosed);
+	if (err) {
 		printf("%s: error changing state to %d: %s\n", __func__,
 		       XenbusStateClosed, err);
 		goto close;
@@ -319,8 +319,8 @@ static void shutdown_blkfront(struct blkfront_dev *dev)
 		free(err);
 	}
 
-	if ((err = xenbus_switch_state(XBT_NIL, nodename,
-				       XenbusStateInitialising)) != NULL) {
+	err = xenbus_switch_state(XBT_NIL, nodename, XenbusStateInitialising);
+	if (err) {
 		printf("%s: error changing state to %d: %s\n", __func__,
 		       XenbusStateInitialising, err);
 		goto close;