diff options
Diffstat (limited to 'arch/arm/include')
-rw-r--r-- | arch/arm/include/asm/arch-sunxi/cpu.h | 1 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-sunxi/gpio.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-sunxi/prcm.h | 3 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-sunxi/rsb.h | 55 |
4 files changed, 60 insertions, 1 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/cpu.h b/arch/arm/include/asm/arch-sunxi/cpu.h index adf203a..bcfa00d 100644 --- a/arch/arm/include/asm/arch-sunxi/cpu.h +++ b/arch/arm/include/asm/arch-sunxi/cpu.h @@ -129,6 +129,7 @@ #define SUNXI_R_UART_BASE 0x01f02800 #define SUNXI_R_PIO_BASE 0x01f02c00 #define SUN6I_P2WI_BASE 0x01f03400 +#define SUNXI_RSB_BASE 0x01f03400 /* CoreSight Debug Module */ #define SUNXI_CSDM_BASE 0x3f500000 diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h index 9f972ce..6623f15 100644 --- a/arch/arm/include/asm/arch-sunxi/gpio.h +++ b/arch/arm/include/asm/arch-sunxi/gpio.h @@ -176,6 +176,8 @@ enum sunxi_gpio_number { #define SUN6I_GPL0_R_P2WI_SCK 3 #define SUN6I_GPL1_R_P2WI_SDA 3 +#define SUN8I_GPL0_R_RSB_SCK 2 +#define SUN8I_GPL1_R_RSB_SDA 2 #define SUN8I_GPL2_R_UART_TX 2 #define SUN8I_GPL3_R_UART_RX 2 diff --git a/arch/arm/include/asm/arch-sunxi/prcm.h b/arch/arm/include/asm/arch-sunxi/prcm.h index 88de1ff..82ed541 100644 --- a/arch/arm/include/asm/arch-sunxi/prcm.h +++ b/arch/arm/include/asm/arch-sunxi/prcm.h @@ -50,7 +50,8 @@ #define PRCM_APB0_GATE_PIO (0x1 << 0) #define PRCM_APB0_GATE_IR (0x1 << 1) #define PRCM_APB0_GATE_TIMER01 (0x1 << 2) -#define PRCM_APB0_GATE_P2WI (0x1 << 3) +#define PRCM_APB0_GATE_P2WI (0x1 << 3) /* sun6i */ +#define PRCM_APB0_GATE_RSB (0x1 << 3) /* sun8i */ #define PRCM_APB0_GATE_UART (0x1 << 4) #define PRCM_APB0_GATE_1WIRE (0x1 << 5) #define PRCM_APB0_GATE_I2C (0x1 << 6) diff --git a/arch/arm/include/asm/arch-sunxi/rsb.h b/arch/arm/include/asm/arch-sunxi/rsb.h new file mode 100644 index 0000000..95a595a --- /dev/null +++ b/arch/arm/include/asm/arch-sunxi/rsb.h @@ -0,0 +1,55 @@ +/* + * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com> + * + * Based on allwinner u-boot sources rsb code which is: + * (C) Copyright 2007-2013 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * lixiang <lixiang@allwinnertech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __SUNXI_RSB_H +#define __SUNXI_RSB_H + +#include <common.h> +#include <asm/io.h> + +struct sunxi_rsb_reg { + u32 ctrl; /* 0x00 */ + u32 ccr; /* 0x04 */ + u32 inte; /* 0x08 */ + u32 stat; /* 0x0c */ + u32 addr; /* 0x10 */ + u8 res0[8]; /* 0x14 */ + u32 data; /* 0x1c */ + u8 res1[4]; /* 0x20 */ + u32 lcr; /* 0x24 */ + u32 dmcr; /* 0x28 */ + u32 cmd; /* 0x2c */ + u32 devaddr; /* 0x30 */ +}; + +#define RSB_CTRL_SOFT_RST (1 << 0) +#define RSB_CTRL_START_TRANS (1 << 7) + +#define RSB_STAT_TOVER_INT (1 << 0) +#define RSB_STAT_TERR_INT (1 << 1) +#define RSB_STAT_LBSY_INT (1 << 2) + +#define RSB_DMCR_DEVICE_MODE_START (1 << 31) + +#define RSB_CMD_BYTE_WRITE 0x4e +#define RSB_CMD_BYTE_READ 0x8b +#define RSB_CMD_SET_RTSADDR 0xe8 + +#define RSB_DEVADDR_RUNTIME_ADDR(x) ((x) << 16) +#define RSB_DEVADDR_DEVICE_ADDR(x) ((x) << 0) + +void rsb_init(void); +int rsb_set_device_mode(u32 device_mode_data); +int rsb_set_device_address(u16 device_addr, u16 runtime_addr); +int rsb_write(const u16 runtime_device_addr, const u8 reg_addr, u8 data); +int rsb_read(const u16 runtime_device_addr, const u8 reg_addr, u8 *data); + +#endif |