diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/firmware/trusted_foundations.h | 96 | ||||
| -rw-r--r-- | include/linux/irqchip/irq-ixp4xx.h | 12 | ||||
| -rw-r--r-- | include/linux/platform_data/eth-ep93xx.h | 10 | ||||
| -rw-r--r-- | include/linux/platform_data/keypad-ep93xx.h | 4 | ||||
| -rw-r--r-- | include/linux/platform_data/ti-sysc.h | 9 | ||||
| -rw-r--r-- | include/linux/platform_data/timer-ixp4xx.h | 11 | ||||
| -rw-r--r-- | include/linux/soc/cirrus/ep93xx.h | 37 | ||||
| -rw-r--r-- | include/linux/soc/ixp4xx/npe.h | 38 | ||||
| -rw-r--r-- | include/linux/soc/ixp4xx/qmgr.h | 91 |
9 files changed, 304 insertions, 4 deletions
diff --git a/include/linux/firmware/trusted_foundations.h b/include/linux/firmware/trusted_foundations.h new file mode 100644 index 000000000000..4064e7c74715 --- /dev/null +++ b/include/linux/firmware/trusted_foundations.h @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2013, NVIDIA Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +/* + * Support for the Trusted Foundations secure monitor. + * + * Trusted Foundation comes active on some ARM consumer devices (most + * Tegra-based devices sold on the market are concerned). Such devices can only + * perform some basic operations, like setting the CPU reset vector, through + * SMC calls to the secure monitor. The calls are completely specific to + * Trusted Foundations, and do *not* follow the SMC calling convention or the + * PSCI standard. + */ + +#ifndef __FIRMWARE_TRUSTED_FOUNDATIONS_H +#define __FIRMWARE_TRUSTED_FOUNDATIONS_H + +#include <linux/printk.h> +#include <linux/bug.h> +#include <linux/of.h> +#include <linux/cpu.h> +#include <linux/smp.h> +#include <linux/types.h> + +#include <asm/hardware/cache-l2x0.h> +#include <asm/outercache.h> + +#define TF_PM_MODE_LP0 0 +#define TF_PM_MODE_LP1 1 +#define TF_PM_MODE_LP1_NO_MC_CLK 2 +#define TF_PM_MODE_LP2 3 +#define TF_PM_MODE_LP2_NOFLUSH_L2 4 + +struct trusted_foundations_platform_data { + unsigned int version_major; + unsigned int version_minor; +}; + +#if IS_ENABLED(CONFIG_TRUSTED_FOUNDATIONS) + +void register_trusted_foundations(struct trusted_foundations_platform_data *pd); +void of_register_trusted_foundations(void); +bool trusted_foundations_registered(void); + +#else /* CONFIG_TRUSTED_FOUNDATIONS */ +static inline void tf_dummy_write_sec(unsigned long val, unsigned int reg) +{ +} + +static inline void register_trusted_foundations( + struct trusted_foundations_platform_data *pd) +{ + /* + * If the system requires TF and we cannot provide it, continue booting + * but disable features that cannot be provided. + */ + pr_err("No support for Trusted Foundations, continuing in degraded mode.\n"); + pr_err("Secondary processors as well as CPU PM will be disabled.\n"); +#if IS_ENABLED(CONFIG_CACHE_L2X0) + pr_err("L2X0 cache will be kept disabled.\n"); + outer_cache.write_sec = tf_dummy_write_sec; +#endif +#if IS_ENABLED(CONFIG_SMP) + setup_max_cpus = 0; +#endif + cpu_idle_poll_ctrl(true); +} + +static inline void of_register_trusted_foundations(void) +{ + /* + * If we find the target should enable TF but does not support it, + * fail as the system won't be able to do much anyway + */ + if (of_find_compatible_node(NULL, NULL, "tlm,trusted-foundations")) + register_trusted_foundations(NULL); +} + +static inline bool trusted_foundations_registered(void) +{ + return false; +} +#endif /* CONFIG_TRUSTED_FOUNDATIONS */ + +#endif diff --git a/include/linux/irqchip/irq-ixp4xx.h b/include/linux/irqchip/irq-ixp4xx.h new file mode 100644 index 000000000000..9395917d6936 --- /dev/null +++ b/include/linux/irqchip/irq-ixp4xx.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __IRQ_IXP4XX_H +#define __IRQ_IXP4XX_H + +#include <linux/ioport.h> +struct irq_domain; + +void ixp4xx_irq_init(resource_size_t irqbase, + bool is_356); +struct irq_domain *ixp4xx_get_irq_domain(void); + +#endif /* __IRQ_IXP4XX_H */ diff --git a/include/linux/platform_data/eth-ep93xx.h b/include/linux/platform_data/eth-ep93xx.h new file mode 100644 index 000000000000..8eef637a804d --- /dev/null +++ b/include/linux/platform_data/eth-ep93xx.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_PLATFORM_DATA_ETH_EP93XX +#define _LINUX_PLATFORM_DATA_ETH_EP93XX + +struct ep93xx_eth_data { + unsigned char dev_addr[6]; + unsigned char phy_id; +}; + +#endif diff --git a/include/linux/platform_data/keypad-ep93xx.h b/include/linux/platform_data/keypad-ep93xx.h index 0e36818e3680..3054fced8509 100644 --- a/include/linux/platform_data/keypad-ep93xx.h +++ b/include/linux/platform_data/keypad-ep93xx.h @@ -9,8 +9,7 @@ struct matrix_keymap_data; #define EP93XX_KEYPAD_DIAG_MODE (1<<1) /* diagnostic mode */ #define EP93XX_KEYPAD_BACK_DRIVE (1<<2) /* back driving mode */ #define EP93XX_KEYPAD_TEST_MODE (1<<3) /* scan only column 0 */ -#define EP93XX_KEYPAD_KDIV (1<<4) /* 1/4 clock or 1/16 clock */ -#define EP93XX_KEYPAD_AUTOREPEAT (1<<5) /* enable key autorepeat */ +#define EP93XX_KEYPAD_AUTOREPEAT (1<<4) /* enable key autorepeat */ /** * struct ep93xx_keypad_platform_data - platform specific device structure @@ -24,6 +23,7 @@ struct ep93xx_keypad_platform_data { unsigned int debounce; unsigned int prescale; unsigned int flags; + unsigned int clk_rate; }; #define EP93XX_MATRIX_ROWS (8) diff --git a/include/linux/platform_data/ti-sysc.h b/include/linux/platform_data/ti-sysc.h index 1ea3aab972b4..9256c0305968 100644 --- a/include/linux/platform_data/ti-sysc.h +++ b/include/linux/platform_data/ti-sysc.h @@ -46,8 +46,13 @@ struct sysc_regbits { s8 emufree_shift; }; -#define SYSC_QUIRK_LEGACY_IDLE BIT(8) -#define SYSC_QUIRK_RESET_STATUS BIT(7) +#define SYSC_QUIRK_SWSUP_MSTANDBY BIT(13) +#define SYSC_QUIRK_SWSUP_SIDLE_ACT BIT(12) +#define SYSC_QUIRK_SWSUP_SIDLE BIT(11) +#define SYSC_QUIRK_EXT_OPT_CLOCK BIT(10) +#define SYSC_QUIRK_LEGACY_IDLE BIT(9) +#define SYSC_QUIRK_RESET_STATUS BIT(8) +#define SYSC_QUIRK_NO_IDLE BIT(7) #define SYSC_QUIRK_NO_IDLE_ON_INIT BIT(6) #define SYSC_QUIRK_NO_RESET_ON_INIT BIT(5) #define SYSC_QUIRK_OPT_CLKS_NEEDED BIT(4) diff --git a/include/linux/platform_data/timer-ixp4xx.h b/include/linux/platform_data/timer-ixp4xx.h new file mode 100644 index 000000000000..ee92ae7edaed --- /dev/null +++ b/include/linux/platform_data/timer-ixp4xx.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __TIMER_IXP4XX_H +#define __TIMER_IXP4XX_H + +#include <linux/ioport.h> + +void __init ixp4xx_timer_setup(resource_size_t timerbase, + int timer_irq, + unsigned int timer_freq); + +#endif diff --git a/include/linux/soc/cirrus/ep93xx.h b/include/linux/soc/cirrus/ep93xx.h new file mode 100644 index 000000000000..56fbe2dc59b1 --- /dev/null +++ b/include/linux/soc/cirrus/ep93xx.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _SOC_EP93XX_H +#define _SOC_EP93XX_H + +struct platform_device; + +#define EP93XX_CHIP_REV_D0 3 +#define EP93XX_CHIP_REV_D1 4 +#define EP93XX_CHIP_REV_E0 5 +#define EP93XX_CHIP_REV_E1 6 +#define EP93XX_CHIP_REV_E2 7 + +#ifdef CONFIG_ARCH_EP93XX +int ep93xx_pwm_acquire_gpio(struct platform_device *pdev); +void ep93xx_pwm_release_gpio(struct platform_device *pdev); +int ep93xx_ide_acquire_gpio(struct platform_device *pdev); +void ep93xx_ide_release_gpio(struct platform_device *pdev); +int ep93xx_keypad_acquire_gpio(struct platform_device *pdev); +void ep93xx_keypad_release_gpio(struct platform_device *pdev); +int ep93xx_i2s_acquire(void); +void ep93xx_i2s_release(void); +unsigned int ep93xx_chip_revision(void); + +#else +static inline int ep93xx_pwm_acquire_gpio(struct platform_device *pdev) { return 0; } +static inline void ep93xx_pwm_release_gpio(struct platform_device *pdev) {} +static inline int ep93xx_ide_acquire_gpio(struct platform_device *pdev) { return 0; } +static inline void ep93xx_ide_release_gpio(struct platform_device *pdev) {} +static inline int ep93xx_keypad_acquire_gpio(struct platform_device *pdev) { return 0; } +static inline void ep93xx_keypad_release_gpio(struct platform_device *pdev) {} +static inline int ep93xx_i2s_acquire(void) { return 0; } +static inline void ep93xx_i2s_release(void) {} +static inline unsigned int ep93xx_chip_revision(void) { return 0; } + +#endif + +#endif diff --git a/include/linux/soc/ixp4xx/npe.h b/include/linux/soc/ixp4xx/npe.h new file mode 100644 index 000000000000..2a91f465d456 --- /dev/null +++ b/include/linux/soc/ixp4xx/npe.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __IXP4XX_NPE_H +#define __IXP4XX_NPE_H + +#include <linux/kernel.h> + +extern const char *npe_names[]; + +struct npe_regs { + u32 exec_addr, exec_data, exec_status_cmd, exec_count; + u32 action_points[4]; + u32 watchpoint_fifo, watch_count; + u32 profile_count; + u32 messaging_status, messaging_control; + u32 mailbox_status, /*messaging_*/ in_out_fifo; +}; + +struct npe { + struct npe_regs __iomem *regs; + int id; + int valid; +}; + + +static inline const char *npe_name(struct npe *npe) +{ + return npe_names[npe->id]; +} + +int npe_running(struct npe *npe); +int npe_send_message(struct npe *npe, const void *msg, const char *what); +int npe_recv_message(struct npe *npe, void *msg, const char *what); +int npe_send_recv_message(struct npe *npe, void *msg, const char *what); +int npe_load_firmware(struct npe *npe, const char *name, struct device *dev); +struct npe *npe_request(unsigned id); +void npe_release(struct npe *npe); + +#endif /* __IXP4XX_NPE_H */ diff --git a/include/linux/soc/ixp4xx/qmgr.h b/include/linux/soc/ixp4xx/qmgr.h new file mode 100644 index 000000000000..bed8ee94fa57 --- /dev/null +++ b/include/linux/soc/ixp4xx/qmgr.h @@ -0,0 +1,91 @@ +/* + * Copyright (C) 2007 Krzysztof Halasa <khc@pm.waw.pl> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License + * as published by the Free Software Foundation. + */ + +#ifndef IXP4XX_QMGR_H +#define IXP4XX_QMGR_H + +#include <linux/io.h> +#include <linux/kernel.h> + +#define DEBUG_QMGR 0 + +#define HALF_QUEUES 32 +#define QUEUES 64 +#define MAX_QUEUE_LENGTH 4 /* in dwords */ + +#define QUEUE_STAT1_EMPTY 1 /* queue status bits */ +#define QUEUE_STAT1_NEARLY_EMPTY 2 +#define QUEUE_STAT1_NEARLY_FULL 4 +#define QUEUE_STAT1_FULL 8 +#define QUEUE_STAT2_UNDERFLOW 1 +#define QUEUE_STAT2_OVERFLOW 2 + +#define QUEUE_WATERMARK_0_ENTRIES 0 +#define QUEUE_WATERMARK_1_ENTRY 1 +#define QUEUE_WATERMARK_2_ENTRIES 2 +#define QUEUE_WATERMARK_4_ENTRIES 3 +#define QUEUE_WATERMARK_8_ENTRIES 4 +#define QUEUE_WATERMARK_16_ENTRIES 5 +#define QUEUE_WATERMARK_32_ENTRIES 6 +#define QUEUE_WATERMARK_64_ENTRIES 7 + +/* queue interrupt request conditions */ +#define QUEUE_IRQ_SRC_EMPTY 0 +#define QUEUE_IRQ_SRC_NEARLY_EMPTY 1 +#define QUEUE_IRQ_SRC_NEARLY_FULL 2 +#define QUEUE_IRQ_SRC_FULL 3 +#define QUEUE_IRQ_SRC_NOT_EMPTY 4 +#define QUEUE_IRQ_SRC_NOT_NEARLY_EMPTY 5 +#define QUEUE_IRQ_SRC_NOT_NEARLY_FULL 6 +#define QUEUE_IRQ_SRC_NOT_FULL 7 + +struct qmgr_regs { + u32 acc[QUEUES][MAX_QUEUE_LENGTH]; /* 0x000 - 0x3FF */ + u32 stat1[4]; /* 0x400 - 0x40F */ + u32 stat2[2]; /* 0x410 - 0x417 */ + u32 statne_h; /* 0x418 - queue nearly empty */ + u32 statf_h; /* 0x41C - queue full */ + u32 irqsrc[4]; /* 0x420 - 0x42F IRC source */ + u32 irqen[2]; /* 0x430 - 0x437 IRQ enabled */ + u32 irqstat[2]; /* 0x438 - 0x43F - IRQ access only */ + u32 reserved[1776]; + u32 sram[2048]; /* 0x2000 - 0x3FFF - config and buffer */ +}; + +void qmgr_put_entry(unsigned int queue, u32 val); +u32 qmgr_get_entry(unsigned int queue); +int qmgr_stat_empty(unsigned int queue); +int qmgr_stat_below_low_watermark(unsigned int queue); +int qmgr_stat_full(unsigned int queue); +int qmgr_stat_overflow(unsigned int queue); +void qmgr_release_queue(unsigned int queue); +void qmgr_set_irq(unsigned int queue, int src, + void (*handler)(void *pdev), void *pdev); +void qmgr_enable_irq(unsigned int queue); +void qmgr_disable_irq(unsigned int queue); + +/* request_ and release_queue() must be called from non-IRQ context */ + +#if DEBUG_QMGR +extern char qmgr_queue_descs[QUEUES][32]; + +int qmgr_request_queue(unsigned int queue, unsigned int len /* dwords */, + unsigned int nearly_empty_watermark, + unsigned int nearly_full_watermark, + const char *desc_format, const char* name); +#else +int __qmgr_request_queue(unsigned int queue, unsigned int len /* dwords */, + unsigned int nearly_empty_watermark, + unsigned int nearly_full_watermark); +#define qmgr_request_queue(queue, len, nearly_empty_watermark, \ + nearly_full_watermark, desc_format, name) \ + __qmgr_request_queue(queue, len, nearly_empty_watermark, \ + nearly_full_watermark) +#endif + +#endif |