mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-05 20:54:31 +00:00
37d46dd3c4
It turns out that the device_mode_data is rsb specific, rather then slave specific, so integrate the rsb_set_device_mode() call into rsb_init(). Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Ian Campbell <ijc@hellion.org.uk>
55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/*
|
|
* (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_DATA 0x7c3e00
|
|
#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)
|
|
|
|
int rsb_init(void);
|
|
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
|