diff options
Diffstat (limited to 'roms/u-boot/drivers/usb/common')
| -rw-r--r-- | roms/u-boot/drivers/usb/common/Makefile | 8 | ||||
| -rw-r--r-- | roms/u-boot/drivers/usb/common/common.c | 100 | ||||
| -rw-r--r-- | roms/u-boot/drivers/usb/common/fsl-dt-fixup.c | 229 | ||||
| -rw-r--r-- | roms/u-boot/drivers/usb/common/fsl-errata.c | 256 |
4 files changed, 593 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/usb/common/Makefile b/roms/u-boot/drivers/usb/common/Makefile new file mode 100644 index 000000000..3bedbf213 --- /dev/null +++ b/roms/u-boot/drivers/usb/common/Makefile @@ -0,0 +1,8 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# (C) Copyright 2016 Freescale Semiconductor, Inc. +# + +obj-$(CONFIG_$(SPL_)DM_USB) += common.o +obj-$(CONFIG_USB_EHCI_FSL) += fsl-dt-fixup.o fsl-errata.o +obj-$(CONFIG_USB_XHCI_FSL) += fsl-dt-fixup.o fsl-errata.o diff --git a/roms/u-boot/drivers/usb/common/common.c b/roms/u-boot/drivers/usb/common/common.c new file mode 100644 index 000000000..2a47f40bb --- /dev/null +++ b/roms/u-boot/drivers/usb/common/common.c @@ -0,0 +1,100 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Provides code common for host and device side USB. + * + * (C) Copyright 2016 + * Texas Instruments Incorporated, <www.ti.com> + */ + +#include <common.h> +#include <dm.h> +#include <asm/global_data.h> +#include <linux/usb/otg.h> +#include <linux/usb/ch9.h> +#include <linux/usb/phy.h> + +DECLARE_GLOBAL_DATA_PTR; + +static const char *const usb_dr_modes[] = { + [USB_DR_MODE_UNKNOWN] = "", + [USB_DR_MODE_HOST] = "host", + [USB_DR_MODE_PERIPHERAL] = "peripheral", + [USB_DR_MODE_OTG] = "otg", +}; + +enum usb_dr_mode usb_get_dr_mode(ofnode node) +{ + const char *dr_mode; + int i; + + dr_mode = ofnode_read_string(node, "dr_mode"); + if (!dr_mode) { + pr_err("usb dr_mode not found\n"); + return USB_DR_MODE_UNKNOWN; + } + + for (i = 0; i < ARRAY_SIZE(usb_dr_modes); i++) + if (!strcmp(dr_mode, usb_dr_modes[i])) + return i; + + return USB_DR_MODE_UNKNOWN; +} + +static const char *const speed_names[] = { + [USB_SPEED_UNKNOWN] = "UNKNOWN", + [USB_SPEED_LOW] = "low-speed", + [USB_SPEED_FULL] = "full-speed", + [USB_SPEED_HIGH] = "high-speed", + [USB_SPEED_WIRELESS] = "wireless", + [USB_SPEED_SUPER] = "super-speed", + [USB_SPEED_SUPER_PLUS] = "super-speed-plus", +}; + +const char *usb_speed_string(enum usb_device_speed speed) +{ + if (speed < 0 || speed >= ARRAY_SIZE(speed_names)) + speed = USB_SPEED_UNKNOWN; + return speed_names[speed]; +} + +enum usb_device_speed usb_get_maximum_speed(ofnode node) +{ + const char *max_speed; + int i; + + max_speed = ofnode_read_string(node, "maximum-speed"); + if (!max_speed) { + pr_err("usb maximum-speed not found\n"); + return USB_SPEED_UNKNOWN; + } + + for (i = 0; i < ARRAY_SIZE(speed_names); i++) + if (!strcmp(max_speed, speed_names[i])) + return i; + + return USB_SPEED_UNKNOWN; +} + +#if CONFIG_IS_ENABLED(DM_USB) +static const char *const usbphy_modes[] = { + [USBPHY_INTERFACE_MODE_UNKNOWN] = "", + [USBPHY_INTERFACE_MODE_UTMI] = "utmi", + [USBPHY_INTERFACE_MODE_UTMIW] = "utmi_wide", +}; + +enum usb_phy_interface usb_get_phy_mode(ofnode node) +{ + const char *phy_type; + int i; + + phy_type = ofnode_get_property(node, "phy_type", NULL); + if (!phy_type) + return USBPHY_INTERFACE_MODE_UNKNOWN; + + for (i = 0; i < ARRAY_SIZE(usbphy_modes); i++) + if (!strcmp(phy_type, usbphy_modes[i])) + return i; + + return USBPHY_INTERFACE_MODE_UNKNOWN; +} +#endif diff --git a/roms/u-boot/drivers/usb/common/fsl-dt-fixup.c b/roms/u-boot/drivers/usb/common/fsl-dt-fixup.c new file mode 100644 index 000000000..4d7a2acd8 --- /dev/null +++ b/roms/u-boot/drivers/usb/common/fsl-dt-fixup.c @@ -0,0 +1,229 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2009, 2011 Freescale Semiconductor, Inc. + * + * (C) Copyright 2008, Excito Elektronik i Sk=E5ne AB + * + * Author: Tor Krill tor@excito.com + */ + +#include <common.h> +#include <log.h> +#include <usb.h> +#include <asm/io.h> +#include <hwconfig.h> +#include <fsl_errata.h> +#include <fsl_usb.h> +#include <fdt_support.h> + +#ifndef CONFIG_USB_MAX_CONTROLLER_COUNT +#define CONFIG_USB_MAX_CONTROLLER_COUNT 1 +#endif + +/* USB Controllers */ +#define FSL_USB2_MPH "fsl-usb2-mph" +#define FSL_USB2_DR "fsl-usb2-dr" +#define CHIPIDEA_USB2 "chipidea,usb2" +#define SNPS_DWC3 "snps,dwc3" + +static const char * const compat_usb_fsl[] = { + FSL_USB2_MPH, + FSL_USB2_DR, + SNPS_DWC3, + NULL +}; + +static int fdt_usb_get_node_type(void *blob, int start_offset, + int *node_offset, const char **node_type) +{ + int i; + int ret = -ENOENT; + + for (i = 0; compat_usb_fsl[i]; i++) { + *node_offset = fdt_node_offset_by_compatible + (blob, start_offset, + compat_usb_fsl[i]); + if (*node_offset >= 0) { + *node_type = compat_usb_fsl[i]; + ret = 0; + break; + } + } + + return ret; +} + +static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode, + const char *phy_type, int start_offset) +{ + const char *prop_mode = "dr_mode"; + const char *prop_type = "phy_type"; + const char *node_type = NULL; + int node_offset; + int err; + + err = fdt_usb_get_node_type(blob, start_offset, + &node_offset, &node_type); + if (err < 0) + return err; + + if (mode) { + err = fdt_setprop(blob, node_offset, prop_mode, mode, + strlen(mode) + 1); + if (err < 0) + printf("WARNING: could not set %s for %s: %s.\n", + prop_mode, node_type, fdt_strerror(err)); + } + + if (phy_type) { + err = fdt_setprop(blob, node_offset, prop_type, phy_type, + strlen(phy_type) + 1); + if (err < 0) + printf("WARNING: could not set %s for %s: %s.\n", + prop_type, node_type, fdt_strerror(err)); + } + + return node_offset; +} + +static int fsl_fdt_fixup_usb_erratum(void *blob, const char *prop_erratum, + const char *controller_type, + int start_offset) +{ + int node_offset, err; + const char *node_type = NULL; + const char *node_name = NULL; + + err = fdt_usb_get_node_type(blob, start_offset, + &node_offset, &node_type); + if (err < 0) + return err; + + if (!strcmp(node_type, FSL_USB2_MPH) || !strcmp(node_type, FSL_USB2_DR)) + node_name = CHIPIDEA_USB2; + else + node_name = node_type; + if (strcmp(node_name, controller_type)) + return err; + + err = fdt_setprop(blob, node_offset, prop_erratum, NULL, 0); + if (err < 0) { + printf("ERROR: could not set %s for %s: %s.\n", + prop_erratum, node_type, fdt_strerror(err)); + } + + return node_offset; +} + +static int fsl_fdt_fixup_erratum(int *usb_erratum_off, void *blob, + const char *controller_type, char *str, + bool (*has_erratum)(void)) +{ + char buf[32] = {0}; + + snprintf(buf, sizeof(buf), "fsl,usb-erratum-%s", str); + if (!has_erratum()) + return -EINVAL; + *usb_erratum_off = fsl_fdt_fixup_usb_erratum(blob, buf, controller_type, + *usb_erratum_off); + if (*usb_erratum_off < 0) + return -ENOSPC; + debug("Adding USB erratum %s\n", str); + return 0; +} + +void fsl_fdt_fixup_dr_usb(void *blob, struct bd_info *bd) +{ + static const char * const modes[] = { "host", "peripheral", "otg" }; + static const char * const phys[] = { "ulpi", "utmi", "utmi_dual" }; + int usb_erratum_a006261_off = -1; + int usb_erratum_a007075_off = -1; + int usb_erratum_a007792_off = -1; + int usb_erratum_a005697_off = -1; + int usb_erratum_a008751_off = -1; + int usb_mode_off = -1; + int usb_phy_off = -1; + char str[5]; + int i, j; + int ret; + + for (i = 1; i <= CONFIG_USB_MAX_CONTROLLER_COUNT; i++) { + const char *dr_mode_type = NULL; + const char *dr_phy_type = NULL; + int mode_idx = -1, phy_idx = -1; + + snprintf(str, 5, "%s%d", "usb", i); + if (hwconfig(str)) { + for (j = 0; j < ARRAY_SIZE(modes); j++) { + if (hwconfig_subarg_cmp(str, "dr_mode", + modes[j])) { + mode_idx = j; + break; + } + } + + for (j = 0; j < ARRAY_SIZE(phys); j++) { + if (hwconfig_subarg_cmp(str, "phy_type", + phys[j])) { + phy_idx = j; + break; + } + } + + if (mode_idx < 0 && phy_idx < 0) { + printf("WARNING: invalid phy or mode\n"); + return; + } + + if (mode_idx > -1) + dr_mode_type = modes[mode_idx]; + + if (phy_idx > -1) + dr_phy_type = phys[phy_idx]; + } + + if (has_dual_phy()) + dr_phy_type = phys[2]; + + usb_mode_off = fdt_fixup_usb_mode_phy_type(blob, + dr_mode_type, NULL, + usb_mode_off); + + if (usb_mode_off < 0) + return; + + usb_phy_off = fdt_fixup_usb_mode_phy_type(blob, + NULL, dr_phy_type, + usb_phy_off); + + if (usb_phy_off < 0) + return; + + ret = fsl_fdt_fixup_erratum(&usb_erratum_a006261_off, blob, + CHIPIDEA_USB2, "a006261", + has_erratum_a006261); + if (ret == -ENOSPC) + return; + ret = fsl_fdt_fixup_erratum(&usb_erratum_a007075_off, blob, + CHIPIDEA_USB2, "a007075", + has_erratum_a007075); + if (ret == -ENOSPC) + return; + ret = fsl_fdt_fixup_erratum(&usb_erratum_a007792_off, blob, + CHIPIDEA_USB2, "a007792", + has_erratum_a007792); + if (ret == -ENOSPC) + return; + ret = fsl_fdt_fixup_erratum(&usb_erratum_a005697_off, blob, + CHIPIDEA_USB2, "a005697", + has_erratum_a005697); + if (ret == -ENOSPC) + return; + ret = fsl_fdt_fixup_erratum(&usb_erratum_a008751_off, blob, + SNPS_DWC3, "a008751", + has_erratum_a008751); + if (ret == -ENOSPC) + return; + + } +} diff --git a/roms/u-boot/drivers/usb/common/fsl-errata.c b/roms/u-boot/drivers/usb/common/fsl-errata.c new file mode 100644 index 000000000..9eb1d2306 --- /dev/null +++ b/roms/u-boot/drivers/usb/common/fsl-errata.c @@ -0,0 +1,256 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Freescale USB Controller + * + * Copyright 2013 Freescale Semiconductor, Inc. + */ + +#include <common.h> +#include <hwconfig.h> +#include <fsl_errata.h> +#include<fsl_usb.h> +#if defined(CONFIG_FSL_LSCH2) || defined(CONFIG_FSL_LSCH3) || \ + defined(CONFIG_ARM) +#include <asm/arch/clock.h> +#endif + +/* USB Erratum Checking code */ +#if defined(CONFIG_PPC) || defined(CONFIG_ARM) +bool has_dual_phy(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + + switch (soc) { +#ifdef CONFIG_PPC + case SVR_T1023: + case SVR_T1024: + case SVR_T1013: + case SVR_T1014: + return IS_SVR_REV(svr, 1, 0); + case SVR_T1040: + case SVR_T1042: + case SVR_T1020: + case SVR_T1022: + case SVR_T2080: + case SVR_T2081: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 1, 1); + case SVR_T4240: + case SVR_T4160: + case SVR_T4080: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0); +#endif + } + + return false; +} + +bool has_erratum_a005275(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + + if (hwconfig("no_erratum_a005275")) + return false; + + switch (soc) { +#ifdef CONFIG_PPC + case SVR_P3041: + case SVR_P2041: + case SVR_P2040: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 1, 1); + case SVR_P5010: + case SVR_P5020: + case SVR_P5021: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0); + case SVR_P5040: + case SVR_P1010: + return IS_SVR_REV(svr, 1, 0); +#endif + } + + return false; +} + +bool has_erratum_a006261(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + + switch (soc) { +#ifdef CONFIG_PPC + case SVR_P1010: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0); + case SVR_P2041: + case SVR_P2040: + return IS_SVR_REV(svr, 1, 0) || + IS_SVR_REV(svr, 1, 1) || + IS_SVR_REV(svr, 2, 0) || IS_SVR_REV(svr, 2, 1); + case SVR_P3041: + return IS_SVR_REV(svr, 1, 0) || + IS_SVR_REV(svr, 1, 1) || + IS_SVR_REV(svr, 2, 0) || IS_SVR_REV(svr, 2, 1); + case SVR_P5010: + case SVR_P5020: + case SVR_P5021: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0); + case SVR_T4240: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0); + case SVR_P5040: + return IS_SVR_REV(svr, 1, 0) || + IS_SVR_REV(svr, 2, 0) || IS_SVR_REV(svr, 2, 1); +#endif + } + + return false; +} + +bool has_erratum_a007075(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + + switch (soc) { +#ifdef CONFIG_PPC + case SVR_B4860: + case SVR_B4420: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0); + case SVR_P1010: + return IS_SVR_REV(svr, 1, 0); + case SVR_P4080: + return IS_SVR_REV(svr, 2, 0) || IS_SVR_REV(svr, 3, 0); +#endif + } + return false; +} + +bool has_erratum_a007798(void) +{ +#ifdef CONFIG_PPC + return SVR_SOC_VER(get_svr()) == SVR_T4240 && + IS_SVR_REV(get_svr(), 2, 0); +#endif + return false; +} + +bool has_erratum_a007792(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + + switch (soc) { +#ifdef CONFIG_PPC + case SVR_T4240: + case SVR_T4160: + case SVR_T4080: + return IS_SVR_REV(svr, 2, 0); + case SVR_T1024: + case SVR_T1023: + return IS_SVR_REV(svr, 1, 0); + case SVR_T1040: + case SVR_T1042: + case SVR_T1020: + case SVR_T1022: + case SVR_T2080: + case SVR_T2081: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 1, 1); +#endif + } + return false; +} + +bool has_erratum_a005697(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + + switch (soc) { +#ifdef CONFIG_PPC + case SVR_9131: + case SVR_9132: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 1, 1); +#endif +#ifdef ONFIG_ARM64 + case SVR_LS1012A: + return IS_SVR_REV(svr, 1, 0); +#endif + } + return false; +} + +bool has_erratum_a004477(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + + switch (soc) { +#ifdef CONFIG_PPC + case SVR_P1010: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0); + case SVR_P1022: + case SVR_9131: + case SVR_9132: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 1, 1); + case SVR_P2020: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0) || + IS_SVR_REV(svr, 2, 1); + case SVR_B4860: + case SVR_B4420: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0); + case SVR_P4080: + return IS_SVR_REV(svr, 2, 0) || IS_SVR_REV(svr, 3, 0); +#endif + } + + return false; +} + +bool has_erratum_a008751(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + + switch (soc) { +#ifdef CONFIG_ARM64 + case SVR_LS2080A: + case SVR_LS2085A: + return IS_SVR_REV(svr, 1, 0); +#endif + } + return false; +} + +bool has_erratum_a010151(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + +#ifdef CONFIG_ARM64 + if (IS_SVR_DEV(svr, SVR_DEV(SVR_LS1043A))) + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 1, 1); +#endif + + switch (soc) { +#ifdef CONFIG_ARM64 + case SVR_LS2080A: + case SVR_LS2085A: + /* fallthrough */ + case SVR_LS2088A: + /* fallthrough */ + case SVR_LS2081A: + case SVR_LS1046A: + case SVR_LS1012A: + return IS_SVR_REV(svr, 1, 0); +#endif +#ifdef CONFIG_ARCH_LS1021A + case SOC_VER_LS1020: + case SOC_VER_LS1021: + case SOC_VER_LS1022: + case SOC_VER_SLS1020: + return IS_SVR_REV(svr, 2, 0); +#endif + } + return false; +} + +#endif |