xref: /OK3568_Linux_fs/kernel/arch/mips/include/asm/mach-ralink/rt288x.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Parts of this file are based on Ralink's 2.6.21 BSP
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
7*4882a593Smuzhiyun  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
8*4882a593Smuzhiyun  * Copyright (C) 2013 John Crispin <john@phrozen.org>
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifndef _RT288X_REGS_H_
12*4882a593Smuzhiyun #define _RT288X_REGS_H_
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #define RT2880_SYSC_BASE		0x00300000
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #define SYSC_REG_CHIP_NAME0		0x00
17*4882a593Smuzhiyun #define SYSC_REG_CHIP_NAME1		0x04
18*4882a593Smuzhiyun #define SYSC_REG_CHIP_ID		0x0c
19*4882a593Smuzhiyun #define SYSC_REG_SYSTEM_CONFIG		0x10
20*4882a593Smuzhiyun #define SYSC_REG_CLKCFG			0x30
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #define RT2880_CHIP_NAME0		0x38325452
23*4882a593Smuzhiyun #define RT2880_CHIP_NAME1		0x20203038
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #define CHIP_ID_ID_MASK			0xff
26*4882a593Smuzhiyun #define CHIP_ID_ID_SHIFT		8
27*4882a593Smuzhiyun #define CHIP_ID_REV_MASK		0xff
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun #define SYSTEM_CONFIG_CPUCLK_SHIFT	20
30*4882a593Smuzhiyun #define SYSTEM_CONFIG_CPUCLK_MASK	0x3
31*4882a593Smuzhiyun #define SYSTEM_CONFIG_CPUCLK_250	0x0
32*4882a593Smuzhiyun #define SYSTEM_CONFIG_CPUCLK_266	0x1
33*4882a593Smuzhiyun #define SYSTEM_CONFIG_CPUCLK_280	0x2
34*4882a593Smuzhiyun #define SYSTEM_CONFIG_CPUCLK_300	0x3
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #define RT2880_GPIO_MODE_I2C		BIT(0)
37*4882a593Smuzhiyun #define RT2880_GPIO_MODE_UART0		BIT(1)
38*4882a593Smuzhiyun #define RT2880_GPIO_MODE_SPI		BIT(2)
39*4882a593Smuzhiyun #define RT2880_GPIO_MODE_UART1		BIT(3)
40*4882a593Smuzhiyun #define RT2880_GPIO_MODE_JTAG		BIT(4)
41*4882a593Smuzhiyun #define RT2880_GPIO_MODE_MDIO		BIT(5)
42*4882a593Smuzhiyun #define RT2880_GPIO_MODE_SDRAM		BIT(6)
43*4882a593Smuzhiyun #define RT2880_GPIO_MODE_PCI		BIT(7)
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun #define CLKCFG_SRAM_CS_N_WDT		BIT(9)
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun #define RT2880_SDRAM_BASE		0x08000000
48*4882a593Smuzhiyun #define RT2880_MEM_SIZE_MIN		2
49*4882a593Smuzhiyun #define RT2880_MEM_SIZE_MAX		128
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #endif
52