xref: /linux/arch/mips/include/asm/mach-ralink/rt288x.h (revision 26fbb4c8c7c3ee9a4c3b4de555a8587b5a19154e)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *
4  * Parts of this file are based on Ralink's 2.6.21 BSP
5  *
6  * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
7  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
8  * Copyright (C) 2013 John Crispin <john@phrozen.org>
9  */
10 
11 #ifndef _RT288X_REGS_H_
12 #define _RT288X_REGS_H_
13 
14 #define RT2880_SYSC_BASE		0x00300000
15 
16 #define SYSC_REG_CHIP_NAME0		0x00
17 #define SYSC_REG_CHIP_NAME1		0x04
18 #define SYSC_REG_CHIP_ID		0x0c
19 #define SYSC_REG_SYSTEM_CONFIG		0x10
20 #define SYSC_REG_CLKCFG			0x30
21 
22 #define RT2880_CHIP_NAME0		0x38325452
23 #define RT2880_CHIP_NAME1		0x20203038
24 
25 #define CHIP_ID_ID_MASK			0xff
26 #define CHIP_ID_ID_SHIFT		8
27 #define CHIP_ID_REV_MASK		0xff
28 
29 #define SYSTEM_CONFIG_CPUCLK_SHIFT	20
30 #define SYSTEM_CONFIG_CPUCLK_MASK	0x3
31 #define SYSTEM_CONFIG_CPUCLK_250	0x0
32 #define SYSTEM_CONFIG_CPUCLK_266	0x1
33 #define SYSTEM_CONFIG_CPUCLK_280	0x2
34 #define SYSTEM_CONFIG_CPUCLK_300	0x3
35 
36 #define RT2880_GPIO_MODE_I2C		BIT(0)
37 #define RT2880_GPIO_MODE_UART0		BIT(1)
38 #define RT2880_GPIO_MODE_SPI		BIT(2)
39 #define RT2880_GPIO_MODE_UART1		BIT(3)
40 #define RT2880_GPIO_MODE_JTAG		BIT(4)
41 #define RT2880_GPIO_MODE_MDIO		BIT(5)
42 #define RT2880_GPIO_MODE_SDRAM		BIT(6)
43 #define RT2880_GPIO_MODE_PCI		BIT(7)
44 
45 #define CLKCFG_SRAM_CS_N_WDT		BIT(9)
46 
47 #define RT2880_SDRAM_BASE		0x08000000
48 #define RT2880_MEM_SIZE_MIN		2
49 #define RT2880_MEM_SIZE_MAX		128
50 
51 #endif
52