diff options
Diffstat (limited to 'arch/arm/include/asm/arch-bcm2835')
-rw-r--r-- | arch/arm/include/asm/arch-bcm2835/gpio.h | 69 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-bcm2835/mbox.h | 527 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-bcm2835/sdhci.h | 18 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-bcm2835/timer.h | 33 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-bcm2835/wdog.h | 30 |
5 files changed, 0 insertions, 677 deletions
diff --git a/arch/arm/include/asm/arch-bcm2835/gpio.h b/arch/arm/include/asm/arch-bcm2835/gpio.h deleted file mode 100644 index c8ef8f5..0000000 --- a/arch/arm/include/asm/arch-bcm2835/gpio.h +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Copyright (C) 2012 Vikram Narayananan - * <vikram186@gmail.com> - * (C) Copyright 2012,2015 Stephen Warren - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _BCM2835_GPIO_H_ -#define _BCM2835_GPIO_H_ - -#ifdef CONFIG_BCM2836 -#define BCM2835_GPIO_BASE 0x3f200000 -#else -#define BCM2835_GPIO_BASE 0x20200000 -#endif -#define BCM2835_GPIO_COUNT 54 - -#define BCM2835_GPIO_FSEL_MASK 0x7 -#define BCM2835_GPIO_INPUT 0x0 -#define BCM2835_GPIO_OUTPUT 0x1 -#define BCM2835_GPIO_ALT0 0x4 -#define BCM2835_GPIO_ALT1 0x5 -#define BCM2835_GPIO_ALT2 0x6 -#define BCM2835_GPIO_ALT3 0x7 -#define BCM2835_GPIO_ALT4 0x3 -#define BCM2835_GPIO_ALT5 0x2 - -#define BCM2835_GPIO_COMMON_BANK(gpio) ((gpio < 32) ? 0 : 1) -#define BCM2835_GPIO_COMMON_SHIFT(gpio) (gpio & 0x1f) - -#define BCM2835_GPIO_FSEL_BANK(gpio) (gpio / 10) -#define BCM2835_GPIO_FSEL_SHIFT(gpio) ((gpio % 10) * 3) - -struct bcm2835_gpio_regs { - u32 gpfsel[6]; - u32 reserved1; - u32 gpset[2]; - u32 reserved2; - u32 gpclr[2]; - u32 reserved3; - u32 gplev[2]; - u32 reserved4; - u32 gpeds[2]; - u32 reserved5; - u32 gpren[2]; - u32 reserved6; - u32 gpfen[2]; - u32 reserved7; - u32 gphen[2]; - u32 reserved8; - u32 gplen[2]; - u32 reserved9; - u32 gparen[2]; - u32 reserved10; - u32 gppud; - u32 gppudclk[2]; -}; - -/** - * struct bcm2835_gpio_platdata - GPIO platform description - * - * @base: Base address of GPIO controller - */ -struct bcm2835_gpio_platdata { - unsigned long base; -}; - -#endif /* _BCM2835_GPIO_H_ */ diff --git a/arch/arm/include/asm/arch-bcm2835/mbox.h b/arch/arm/include/asm/arch-bcm2835/mbox.h deleted file mode 100644 index 04bf480..0000000 --- a/arch/arm/include/asm/arch-bcm2835/mbox.h +++ /dev/null @@ -1,527 +0,0 @@ -/* - * (C) Copyright 2012,2015 Stephen Warren - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef _BCM2835_MBOX_H -#define _BCM2835_MBOX_H - -#include <linux/compiler.h> - -/* - * The BCM2835 SoC contains (at least) two CPUs; the VideoCore (a/k/a "GPU") - * and the ARM CPU. The ARM CPU is often thought of as the main CPU. - * However, the VideoCore actually controls the initial SoC boot, and hides - * much of the hardware behind a protocol. This protocol is transported - * using the SoC's mailbox hardware module. - * - * The mailbox hardware supports passing 32-bit values back and forth. - * Presumably by software convention of the firmware, the bottom 4 bits of the - * value are used to indicate a logical channel, and the upper 28 bits are the - * actual payload. Various channels exist using these simple raw messages. See - * https://github.com/raspberrypi/firmware/wiki/Mailboxes for a list. As an - * example, the messages on the power management channel are a bitmask of - * devices whose power should be enabled. - * - * The property mailbox channel passes messages that contain the (16-byte - * aligned) ARM physical address of a memory buffer. This buffer is passed to - * the VC for processing, is modified in-place by the VC, and the address then - * passed back to the ARM CPU as the response mailbox message to indicate - * request completion. The buffers have a generic and extensible format; each - * buffer contains a standard header, a list of "tags", and a terminating zero - * entry. Each tag contains an ID indicating its type, and length fields for - * generic parsing. With some limitations, an arbitrary set of tags may be - * combined together into a single message buffer. This file defines structs - * representing the header and many individual tag layouts and IDs. - */ - -/* Raw mailbox HW */ - -#ifdef CONFIG_BCM2836 -#define BCM2835_MBOX_PHYSADDR 0x3f00b880 -#else -#define BCM2835_MBOX_PHYSADDR 0x2000b880 -#endif - -struct bcm2835_mbox_regs { - u32 read; - u32 rsvd0[5]; - u32 status; - u32 config; - u32 write; -}; - -#define BCM2835_MBOX_STATUS_WR_FULL 0x80000000 -#define BCM2835_MBOX_STATUS_RD_EMPTY 0x40000000 - -/* Lower 4-bits are channel ID */ -#define BCM2835_CHAN_MASK 0xf -#define BCM2835_MBOX_PACK(chan, data) (((data) & (~BCM2835_CHAN_MASK)) | \ - (chan & BCM2835_CHAN_MASK)) -#define BCM2835_MBOX_UNPACK_CHAN(val) ((val) & BCM2835_CHAN_MASK) -#define BCM2835_MBOX_UNPACK_DATA(val) ((val) & (~BCM2835_CHAN_MASK)) - -/* Property mailbox buffer structures */ - -#define BCM2835_MBOX_PROP_CHAN 8 - -/* All message buffers must start with this header */ -struct bcm2835_mbox_hdr { - u32 buf_size; - u32 code; -}; - -#define BCM2835_MBOX_REQ_CODE 0 -#define BCM2835_MBOX_RESP_CODE_SUCCESS 0x80000000 - -#define BCM2835_MBOX_INIT_HDR(_m_) { \ - memset((_m_), 0, sizeof(*(_m_))); \ - (_m_)->hdr.buf_size = sizeof(*(_m_)); \ - (_m_)->hdr.code = 0; \ - (_m_)->end_tag = 0; \ - } - -/* - * A message buffer contains a list of tags. Each tag must also start with - * a standardized header. - */ -struct bcm2835_mbox_tag_hdr { - u32 tag; - u32 val_buf_size; - u32 val_len; -}; - -#define BCM2835_MBOX_INIT_TAG(_t_, _id_) { \ - (_t_)->tag_hdr.tag = BCM2835_MBOX_TAG_##_id_; \ - (_t_)->tag_hdr.val_buf_size = sizeof((_t_)->body); \ - (_t_)->tag_hdr.val_len = sizeof((_t_)->body.req); \ - } - -#define BCM2835_MBOX_INIT_TAG_NO_REQ(_t_, _id_) { \ - (_t_)->tag_hdr.tag = BCM2835_MBOX_TAG_##_id_; \ - (_t_)->tag_hdr.val_buf_size = sizeof((_t_)->body); \ - (_t_)->tag_hdr.val_len = 0; \ - } - -/* When responding, the VC sets this bit in val_len to indicate a response */ -#define BCM2835_MBOX_TAG_VAL_LEN_RESPONSE 0x80000000 - -/* - * Below we define the ID and struct for many possible tags. This header only - * defines individual tag structs, not entire message structs, since in - * general an arbitrary set of tags may be combined into a single message. - * Clients of the mbox API are expected to define their own overall message - * structures by combining the header, a set of tags, and a terminating - * entry. For example, - * - * struct msg { - * struct bcm2835_mbox_hdr hdr; - * struct bcm2835_mbox_tag_get_arm_mem get_arm_mem; - * ... perhaps other tags here ... - * u32 end_tag; - * }; - */ - -#define BCM2835_MBOX_TAG_GET_BOARD_REV 0x00010002 - -#ifdef CONFIG_BCM2836 -#define BCM2836_BOARD_REV_2_B 0x4 -#else -/* - * 0x2..0xf from: - * http://raspberryalphaomega.org.uk/2013/02/06/automatic-raspberry-pi-board-revision-detection-model-a-b1-and-b2/ - * http://www.raspberrypi.org/forums/viewtopic.php?f=63&t=32733 - * 0x10, 0x11 from swarren's testing - */ -#define BCM2835_BOARD_REV_B_I2C0_2 0x2 -#define BCM2835_BOARD_REV_B_I2C0_3 0x3 -#define BCM2835_BOARD_REV_B_I2C1_4 0x4 -#define BCM2835_BOARD_REV_B_I2C1_5 0x5 -#define BCM2835_BOARD_REV_B_I2C1_6 0x6 -#define BCM2835_BOARD_REV_A_7 0x7 -#define BCM2835_BOARD_REV_A_8 0x8 -#define BCM2835_BOARD_REV_A_9 0x9 -#define BCM2835_BOARD_REV_B_REV2_d 0xd -#define BCM2835_BOARD_REV_B_REV2_e 0xe -#define BCM2835_BOARD_REV_B_REV2_f 0xf -#define BCM2835_BOARD_REV_B_PLUS 0x10 -#define BCM2835_BOARD_REV_CM 0x11 -#define BCM2835_BOARD_REV_A_PLUS 0x12 -#endif - -struct bcm2835_mbox_tag_get_board_rev { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - } req; - struct { - u32 rev; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_GET_MAC_ADDRESS 0x00010003 - -struct bcm2835_mbox_tag_get_mac_address { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - } req; - struct { - u8 mac[6]; - u8 pad[2]; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_GET_ARM_MEMORY 0x00010005 - -struct bcm2835_mbox_tag_get_arm_mem { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - } req; - struct { - u32 mem_base; - u32 mem_size; - } resp; - } body; -}; - -#define BCM2835_MBOX_POWER_DEVID_SDHCI 0 -#define BCM2835_MBOX_POWER_DEVID_UART0 1 -#define BCM2835_MBOX_POWER_DEVID_UART1 2 -#define BCM2835_MBOX_POWER_DEVID_USB_HCD 3 -#define BCM2835_MBOX_POWER_DEVID_I2C0 4 -#define BCM2835_MBOX_POWER_DEVID_I2C1 5 -#define BCM2835_MBOX_POWER_DEVID_I2C2 6 -#define BCM2835_MBOX_POWER_DEVID_SPI 7 -#define BCM2835_MBOX_POWER_DEVID_CCP2TX 8 - -#define BCM2835_MBOX_POWER_STATE_RESP_ON (1 << 0) -/* Device doesn't exist */ -#define BCM2835_MBOX_POWER_STATE_RESP_NODEV (1 << 1) - -#define BCM2835_MBOX_TAG_GET_POWER_STATE 0x00020001 - -struct bcm2835_mbox_tag_get_power_state { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - u32 device_id; - } req; - struct { - u32 device_id; - u32 state; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_SET_POWER_STATE 0x00028001 - -#define BCM2835_MBOX_SET_POWER_STATE_REQ_ON (1 << 0) -#define BCM2835_MBOX_SET_POWER_STATE_REQ_WAIT (1 << 1) - -struct bcm2835_mbox_tag_set_power_state { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - u32 device_id; - u32 state; - } req; - struct { - u32 device_id; - u32 state; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_GET_CLOCK_RATE 0x00030002 - -#define BCM2835_MBOX_CLOCK_ID_EMMC 1 -#define BCM2835_MBOX_CLOCK_ID_UART 2 -#define BCM2835_MBOX_CLOCK_ID_ARM 3 -#define BCM2835_MBOX_CLOCK_ID_CORE 4 -#define BCM2835_MBOX_CLOCK_ID_V3D 5 -#define BCM2835_MBOX_CLOCK_ID_H264 6 -#define BCM2835_MBOX_CLOCK_ID_ISP 7 -#define BCM2835_MBOX_CLOCK_ID_SDRAM 8 -#define BCM2835_MBOX_CLOCK_ID_PIXEL 9 -#define BCM2835_MBOX_CLOCK_ID_PWM 10 - -struct bcm2835_mbox_tag_get_clock_rate { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - u32 clock_id; - } req; - struct { - u32 clock_id; - u32 rate_hz; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_ALLOCATE_BUFFER 0x00040001 - -struct bcm2835_mbox_tag_allocate_buffer { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - u32 alignment; - } req; - struct { - u32 fb_address; - u32 fb_size; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_RELEASE_BUFFER 0x00048001 - -struct bcm2835_mbox_tag_release_buffer { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - } req; - struct { - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_BLANK_SCREEN 0x00040002 - -struct bcm2835_mbox_tag_blank_screen { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - /* bit 0 means on, other bots reserved */ - u32 state; - } req; - struct { - u32 state; - } resp; - } body; -}; - -/* Physical means output signal */ -#define BCM2835_MBOX_TAG_GET_PHYSICAL_W_H 0x00040003 -#define BCM2835_MBOX_TAG_TEST_PHYSICAL_W_H 0x00044003 -#define BCM2835_MBOX_TAG_SET_PHYSICAL_W_H 0x00048003 - -struct bcm2835_mbox_tag_physical_w_h { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - /* req not used for get */ - struct { - u32 width; - u32 height; - } req; - struct { - u32 width; - u32 height; - } resp; - } body; -}; - -/* Virtual means display buffer */ -#define BCM2835_MBOX_TAG_GET_VIRTUAL_W_H 0x00040004 -#define BCM2835_MBOX_TAG_TEST_VIRTUAL_W_H 0x00044004 -#define BCM2835_MBOX_TAG_SET_VIRTUAL_W_H 0x00048004 - -struct bcm2835_mbox_tag_virtual_w_h { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - /* req not used for get */ - struct { - u32 width; - u32 height; - } req; - struct { - u32 width; - u32 height; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_GET_DEPTH 0x00040005 -#define BCM2835_MBOX_TAG_TEST_DEPTH 0x00044005 -#define BCM2835_MBOX_TAG_SET_DEPTH 0x00048005 - -struct bcm2835_mbox_tag_depth { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - /* req not used for get */ - struct { - u32 bpp; - } req; - struct { - u32 bpp; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_GET_PIXEL_ORDER 0x00040006 -#define BCM2835_MBOX_TAG_TEST_PIXEL_ORDER 0x00044005 -#define BCM2835_MBOX_TAG_SET_PIXEL_ORDER 0x00048006 - -#define BCM2835_MBOX_PIXEL_ORDER_BGR 0 -#define BCM2835_MBOX_PIXEL_ORDER_RGB 1 - -struct bcm2835_mbox_tag_pixel_order { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - /* req not used for get */ - struct { - u32 order; - } req; - struct { - u32 order; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_GET_ALPHA_MODE 0x00040007 -#define BCM2835_MBOX_TAG_TEST_ALPHA_MODE 0x00044007 -#define BCM2835_MBOX_TAG_SET_ALPHA_MODE 0x00048007 - -#define BCM2835_MBOX_ALPHA_MODE_0_OPAQUE 0 -#define BCM2835_MBOX_ALPHA_MODE_0_TRANSPARENT 1 -#define BCM2835_MBOX_ALPHA_MODE_IGNORED 2 - -struct bcm2835_mbox_tag_alpha_mode { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - /* req not used for get */ - struct { - u32 alpha; - } req; - struct { - u32 alpha; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_GET_PITCH 0x00040008 - -struct bcm2835_mbox_tag_pitch { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - } req; - struct { - u32 pitch; - } resp; - } body; -}; - -/* Offset of display window within buffer */ -#define BCM2835_MBOX_TAG_GET_VIRTUAL_OFFSET 0x00040009 -#define BCM2835_MBOX_TAG_TEST_VIRTUAL_OFFSET 0x00044009 -#define BCM2835_MBOX_TAG_SET_VIRTUAL_OFFSET 0x00048009 - -struct bcm2835_mbox_tag_virtual_offset { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - /* req not used for get */ - struct { - u32 x; - u32 y; - } req; - struct { - u32 x; - u32 y; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_GET_OVERSCAN 0x0004000a -#define BCM2835_MBOX_TAG_TEST_OVERSCAN 0x0004400a -#define BCM2835_MBOX_TAG_SET_OVERSCAN 0x0004800a - -struct bcm2835_mbox_tag_overscan { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - /* req not used for get */ - struct { - u32 top; - u32 bottom; - u32 left; - u32 right; - } req; - struct { - u32 top; - u32 bottom; - u32 left; - u32 right; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_GET_PALETTE 0x0004000b - -struct bcm2835_mbox_tag_get_palette { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - } req; - struct { - u32 data[1024]; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_TEST_PALETTE 0x0004400b - -struct bcm2835_mbox_tag_test_palette { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - u32 offset; - u32 num_entries; - u32 data[256]; - } req; - struct { - u32 is_invalid; - } resp; - } body; -}; - -#define BCM2835_MBOX_TAG_SET_PALETTE 0x0004800b - -struct bcm2835_mbox_tag_set_palette { - struct bcm2835_mbox_tag_hdr tag_hdr; - union { - struct { - u32 offset; - u32 num_entries; - u32 data[256]; - } req; - struct { - u32 is_invalid; - } resp; - } body; -}; - -/* - * Pass a raw u32 message to the VC, and receive a raw u32 back. - * - * Returns 0 for success, any other value for error. - */ -int bcm2835_mbox_call_raw(u32 chan, u32 send, u32 *recv); - -/* - * Pass a complete property-style buffer to the VC, and wait until it has - * been processed. - * - * This function expects a pointer to the mbox_hdr structure in an attempt - * to ensure some degree of type safety. However, some number of tags and - * a termination value are expected to immediately follow the header in - * memory, as required by the property protocol. - * - * Returns 0 for success, any other value for error. - */ -int bcm2835_mbox_call_prop(u32 chan, struct bcm2835_mbox_hdr *buffer); - -#endif diff --git a/arch/arm/include/asm/arch-bcm2835/sdhci.h b/arch/arm/include/asm/arch-bcm2835/sdhci.h deleted file mode 100644 index 2a21ccb..0000000 --- a/arch/arm/include/asm/arch-bcm2835/sdhci.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * (C) Copyright 2012,2015 Stephen Warren - * - * SPDX-License-Identifier: GPL-2.0 - */ - -#ifndef _BCM2835_SDHCI_H_ -#define _BCM2835_SDHCI_H_ - -#ifdef CONFIG_BCM2836 -#define BCM2835_SDHCI_BASE 0x3f300000 -#else -#define BCM2835_SDHCI_BASE 0x20300000 -#endif - -int bcm2835_sdhci_init(u32 regbase, u32 emmc_freq); - -#endif diff --git a/arch/arm/include/asm/arch-bcm2835/timer.h b/arch/arm/include/asm/arch-bcm2835/timer.h deleted file mode 100644 index fc7aec7..0000000 --- a/arch/arm/include/asm/arch-bcm2835/timer.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * (C) Copyright 2012,2015 Stephen Warren - * - * SPDX-License-Identifier: GPL-2.0 - */ - -#ifndef _BCM2835_TIMER_H -#define _BCM2835_TIMER_H - -#ifdef CONFIG_BCM2836 -#define BCM2835_TIMER_PHYSADDR 0x3f003000 -#else -#define BCM2835_TIMER_PHYSADDR 0x20003000 -#endif - -struct bcm2835_timer_regs { - u32 cs; - u32 clo; - u32 chi; - u32 c0; - u32 c1; - u32 c2; - u32 c3; -}; - -#define BCM2835_TIMER_CS_M3 (1 << 3) -#define BCM2835_TIMER_CS_M2 (1 << 2) -#define BCM2835_TIMER_CS_M1 (1 << 1) -#define BCM2835_TIMER_CS_M0 (1 << 0) - -extern ulong get_timer_us(ulong base); - -#endif diff --git a/arch/arm/include/asm/arch-bcm2835/wdog.h b/arch/arm/include/asm/arch-bcm2835/wdog.h deleted file mode 100644 index beb6a08..0000000 --- a/arch/arm/include/asm/arch-bcm2835/wdog.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * (C) Copyright 2012,2015 Stephen Warren - * - * SPDX-License-Identifier: GPL-2.0 - */ - -#ifndef _BCM2835_TIMER_H -#define _BCM2835_TIMER_H - -#ifdef CONFIG_BCM2836 -#define BCM2835_WDOG_PHYSADDR 0x3f100000 -#else -#define BCM2835_WDOG_PHYSADDR 0x20100000 -#endif - -struct bcm2835_wdog_regs { - u32 unknown0[7]; - u32 rstc; - u32 unknown1; - u32 wdog; -}; - -#define BCM2835_WDOG_PASSWORD 0x5a000000 - -#define BCM2835_WDOG_RSTC_WRCFG_MASK 0x00000030 -#define BCM2835_WDOG_RSTC_WRCFG_FULL_RESET 0x00000020 - -#define BCM2835_WDOG_WDOG_TIMEOUT_MASK 0x0000ffff - -#endif |