Merge branch 'next'

Pull in changes that have been pending in our 'next' branch.  This
includes:
- A large number of CI improvements including moving to gcc-9.2 for all
  platforms.
- amlogic, xilinx, stm32, TI SoC updates
- USB and i2c subsystem updtaes
- Re-sync Kbuild/etc logic with v4.19 of the Linux kernel.
- RSA key handling improvements

6 files changed, 194 insertions, 26 deletions

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index f18aa8f7ba..766402745d 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -462,6 +462,11 @@ config IHS_FPGA
 	  gdsys devices, which supply the majority of the functionality offered
 	  by the devices. This driver supports both CON and CPU variants of the
 	  devices, depending on the device tree entry.
+config ESM_K3
+	bool "Enable K3 ESM driver"
+	depends on ARCH_K3
+	help
+	  Support ESM (Error Signaling Module) on TI K3 SoCs.
 
 config MICROCHIP_FLEXCOM
 	bool "Enable Microchip Flexcom driver"
@@ -481,4 +486,11 @@ config K3_AVS0
 	  optimized voltage from the efuse, so that it can be programmed
 	  to the PMIC on board.
 
+config ESM_PMIC
+	bool "Enable PMIC ESM driver"
+	depends on DM_PMIC
+	help
+	  Support ESM (Error Signal Monitor) on PMIC devices. ESM is used
+	  typically to reboot the board in error condition.
+
 endmenu
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 2b843de93c..68e0e7ad17 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -72,3 +72,5 @@ obj-$(CONFIG_WINBOND_W83627) += winbond_w83627.o
 obj-$(CONFIG_JZ4780_EFUSE) += jz4780_efuse.o
 obj-$(CONFIG_MICROCHIP_FLEXCOM) += microchip_flexcom.o
 obj-$(CONFIG_K3_AVS0) += k3_avs.o
+obj-$(CONFIG_ESM_K3) += k3_esm.o
+obj-$(CONFIG_ESM_PMIC) += esm_pmic.o
diff --git a/drivers/misc/esm_pmic.c b/drivers/misc/esm_pmic.c
new file mode 100644
index 0000000000..92c8d68f7c
--- /dev/null
+++ b/drivers/misc/esm_pmic.c
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * PMIC Error Signal Monitor driver
+ *
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ *      Tero Kristo <t-kristo@ti.com>
+ *
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <power/pmic.h>
+#include <dm/device_compat.h>
+
+#define INT_ESM_REG		0x6c
+#define INT_ESM_MASK		0x3f
+
+#define ESM_MCU_START_REG	0x8f
+
+#define ESM_MCU_START		BIT(0)
+
+#define ESM_MCU_MODE_CFG_REG	0x92
+
+#define ESM_MCU_EN		BIT(6)
+#define ESM_MCU_ENDRV		BIT(5)
+
+/**
+ * pmic_esm_probe: configures and enables PMIC ESM functionality
+ *
+ * Configures ESM PMIC support and enables it.
+ */
+static int pmic_esm_probe(struct udevice *dev)
+{
+	int ret;
+
+	ret = pmic_reg_write(dev->parent, INT_ESM_REG, INT_ESM_MASK);
+	if (ret) {
+		dev_err(dev, "clearing ESM irqs failed: %d\n", ret);
+		return ret;
+	}
+
+	ret = pmic_reg_write(dev->parent, ESM_MCU_MODE_CFG_REG,
+			     ESM_MCU_EN | ESM_MCU_ENDRV);
+	if (ret) {
+		dev_err(dev, "setting ESM mode failed: %d\n", ret);
+		return ret;
+	}
+
+	ret = pmic_reg_write(dev->parent, ESM_MCU_START_REG, ESM_MCU_START);
+	if (ret) {
+		dev_err(dev, "starting ESM failed: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static const struct udevice_id pmic_esm_ids[] = {
+	{ .compatible = "ti,tps659413-esm" },
+	{}
+};
+
+U_BOOT_DRIVER(pmic_esm) = {
+	.name = "esm_pmic",
+	.of_match = pmic_esm_ids,
+	.id = UCLASS_MISC,
+	.probe = pmic_esm_probe,
+};
diff --git a/drivers/misc/i2c_eeprom.c b/drivers/misc/i2c_eeprom.c
index 6c0459dc55..ef5f103c98 100644
--- a/drivers/misc/i2c_eeprom.c
+++ b/drivers/misc/i2c_eeprom.c
@@ -14,7 +14,7 @@
 
 struct i2c_eeprom_drv_data {
 	u32 size; /* size in bytes */
-	u32 pagewidth; /* pagesize = 2^pagewidth */
+	u32 pagesize; /* page size in bytes */
 	u32 addr_offset_mask; /* bits in addr used for offset overflow */
 	u32 offset_len; /* size in bytes of offset */
 };
@@ -99,13 +99,11 @@ static int i2c_eeprom_std_ofdata_to_platdata(struct udevice *dev)
 	u32 pagesize;
 	u32 size;
 
-	if (dev_read_u32(dev, "pagesize", &pagesize) == 0) {
+	if (dev_read_u32(dev, "pagesize", &pagesize) == 0)
 		priv->pagesize = pagesize;
-	} else {
+	else
 		/* 6 bit -> page size of up to 2^63 (should be sufficient) */
-		priv->pagewidth = data->pagewidth;
-		priv->pagesize = (1 << priv->pagewidth);
-	}
+		priv->pagesize = data->pagesize;
 
 	if (dev_read_u32(dev, "size", &size) == 0)
 		priv->size = size;
@@ -158,98 +156,98 @@ static int i2c_eeprom_std_probe(struct udevice *dev)
 
 static const struct i2c_eeprom_drv_data eeprom_data = {
 	.size = 0,
-	.pagewidth = 0,
+	.pagesize = 1,
 	.addr_offset_mask = 0,
 	.offset_len = 1,
 };
 
 static const struct i2c_eeprom_drv_data mc24aa02e48_data = {
 	.size = 256,
-	.pagewidth = 3,
+	.pagesize = 8,
 	.addr_offset_mask = 0,
 	.offset_len = 1,
 };
 
 static const struct i2c_eeprom_drv_data atmel24c01a_data = {
 	.size = 128,
-	.pagewidth = 3,
+	.pagesize = 8,
 	.addr_offset_mask = 0,
 	.offset_len = 1,
 };
 
 static const struct i2c_eeprom_drv_data atmel24c02_data = {
 	.size = 256,
-	.pagewidth = 3,
+	.pagesize = 8,
 	.addr_offset_mask = 0,
 	.offset_len = 1,
 };
 
 static const struct i2c_eeprom_drv_data atmel24c04_data = {
 	.size = 512,
-	.pagewidth = 4,
+	.pagesize = 16,
 	.addr_offset_mask = 0x1,
 	.offset_len = 1,
 };
 
 static const struct i2c_eeprom_drv_data atmel24c08_data = {
 	.size = 1024,
-	.pagewidth = 4,
+	.pagesize = 16,
 	.addr_offset_mask = 0x3,
 	.offset_len = 1,
 };
 
 static const struct i2c_eeprom_drv_data atmel24c08a_data = {
 	.size = 1024,
-	.pagewidth = 4,
+	.pagesize = 16,
 	.addr_offset_mask = 0x3,
 	.offset_len = 1,
 };
 
 static const struct i2c_eeprom_drv_data atmel24c16a_data = {
 	.size = 2048,
-	.pagewidth = 4,
+	.pagesize = 16,
 	.addr_offset_mask = 0x7,
 	.offset_len = 1,
 };
 
 static const struct i2c_eeprom_drv_data atmel24mac402_data = {
 	.size = 256,
-	.pagewidth = 4,
+	.pagesize = 16,
 	.addr_offset_mask = 0,
 	.offset_len = 1,
 };
 
 static const struct i2c_eeprom_drv_data atmel24c32_data = {
 	.size = 4096,
-	.pagewidth = 5,
+	.pagesize = 32,
 	.addr_offset_mask = 0,
 	.offset_len = 2,
 };
 
 static const struct i2c_eeprom_drv_data atmel24c64_data = {
 	.size = 8192,
-	.pagewidth = 5,
+	.pagesize = 32,
 	.addr_offset_mask = 0,
 	.offset_len = 2,
 };
 
 static const struct i2c_eeprom_drv_data atmel24c128_data = {
 	.size = 16384,
-	.pagewidth = 6,
+	.pagesize = 64,
 	.addr_offset_mask = 0,
 	.offset_len = 2,
 };
 
 static const struct i2c_eeprom_drv_data atmel24c256_data = {
 	.size = 32768,
-	.pagewidth = 6,
+	.pagesize = 64,
 	.addr_offset_mask = 0,
 	.offset_len = 2,
 };
 
 static const struct i2c_eeprom_drv_data atmel24c512_data = {
 	.size = 65536,
-	.pagewidth = 6,
+	.pagesize = 64,
 	.addr_offset_mask = 0,
 	.offset_len = 2,
 };
diff --git a/drivers/misc/k3_avs.c b/drivers/misc/k3_avs.c
index 90df377250..d8048e1b70 100644
--- a/drivers/misc/k3_avs.c
+++ b/drivers/misc/k3_avs.c
@@ -316,15 +316,15 @@ static struct vd_data am654_vd_data[] = {
 		.opp = AM6_OPP_NOM,
 		.opps = {
 			[AM6_OPP_NOM] = {
-				.volt = 1000000,
+				.volt = 1100000,
 				.freq = 800000000,
 			},
 			[AM6_OPP_OD] = {
-				.volt = 1100000,
+				.volt = 1200000,
 				.freq = 1000000000,
 			},
 			[AM6_OPP_TURBO] = {
-				.volt = 1220000,
+				.volt = 1240000,
 				.freq = 1100000000,
 			},
 		},
@@ -336,15 +336,15 @@ static struct vd_data am654_vd_data[] = {
 		.clk_id = 0, /* ARM clock */
 		.opps = {
 			[AM6_OPP_NOM] = {
-				.volt = 1000000,
+				.volt = 1100000,
 				.freq = 800000000,
 			},
 			[AM6_OPP_OD] = {
-				.volt = 1100000,
+				.volt = 1200000,
 				.freq = 1000000000,
 			},
 			[AM6_OPP_TURBO] = {
-				.volt = 1220000,
+				.volt = 1240000,
 				.freq = 1100000000,
 			},
 		},
diff --git a/drivers/misc/k3_esm.c b/drivers/misc/k3_esm.c
new file mode 100644
index 0000000000..8f270f3b5c
--- /dev/null
+++ b/drivers/misc/k3_esm.c
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Texas Instruments' K3 Error Signalling Module driver
+ *
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ *      Tero Kristo <t-kristo@ti.com>
+ *
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <dm/device_compat.h>
+
+#define ESM_SFT_RST			0x0c
+#define ESM_SFT_RST_KEY			0x0f
+
+#define ESM_STS(i)			(0x404 + (i) / 32 * 0x20)
+#define ESM_PIN_EN_SET_OFFSET(i)	(0x414 + (i) / 32 * 0x20)
+#define ESM_PIN_MASK(i)			BIT((i) & 0x1f)
+
+static void esm_pin_enable(void __iomem *base, int pin)
+{
+	/* Enable event */
+	writel(ESM_PIN_MASK(pin), base + ESM_PIN_EN_SET_OFFSET(pin));
+}
+
+/**
+ * k3_esm_probe: configures ESM based on DT data
+ *
+ * Parses ESM info from device tree, and configures the module accordingly.
+ */
+static int k3_esm_probe(struct udevice *dev)
+{
+	int ret;
+	void __iomem *base;
+	int num_pins;
+	u32 *pins;
+	int i;
+
+	base = dev_remap_addr_index(dev, 0);
+	if (!base)
+		return -ENODEV;
+
+	num_pins = dev_read_size(dev, "ti,esm-pins");
+	if (num_pins < 0) {
+		dev_err(dev, "ti,esm-pins property missing or invalid: %d\n",
+			num_pins);
+		return num_pins;
+	}
+
+	num_pins /= sizeof(u32);
+
+	pins = kmalloc(num_pins * sizeof(u32), __GFP_ZERO);
+	if (!pins)
+		return -ENOMEM;
+
+	ret = dev_read_u32_array(dev, "ti,esm-pins", pins, num_pins);
+	if (ret < 0) {
+		dev_err(dev, "failed to read ti,esm-pins property: %d\n",
+			ret);
+		goto free_pins;
+	}
+
+	/* Clear any pending events */
+	writel(ESM_SFT_RST_KEY, base + ESM_SFT_RST);
+
+	for (i = 0; i < num_pins; i++)
+		esm_pin_enable(base, pins[i]);
+
+free_pins:
+	kfree(pins);
+	return ret;
+}
+
+static const struct udevice_id k3_esm_ids[] = {
+	{ .compatible = "ti,j721e-esm" },
+	{}
+};
+
+U_BOOT_DRIVER(k3_esm) = {
+	.name = "k3_esm",
+	.of_match = k3_esm_ids,
+	.id = UCLASS_MISC,
+	.probe = k3_esm_probe,
+};