xref: /OK3568_Linux_fs/kernel/arch/arm/mach-ep93xx/soc.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * arch/arm/mach-ep93xx/soc.h
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2012 Open Kernel Labs <www.ok-labs.com>
6*4882a593Smuzhiyun  * Copyright (C) 2012 Ryan Mallon <rmallon@gmail.com>
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #ifndef _EP93XX_SOC_H
10*4882a593Smuzhiyun #define _EP93XX_SOC_H
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <mach/ep93xx-regs.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun /*
15*4882a593Smuzhiyun  * EP93xx Physical Memory Map:
16*4882a593Smuzhiyun  *
17*4882a593Smuzhiyun  * The ASDO pin is sampled at system reset to select a synchronous or
18*4882a593Smuzhiyun  * asynchronous boot configuration.  When ASDO is "1" (i.e. pulled-up)
19*4882a593Smuzhiyun  * the synchronous boot mode is selected.  When ASDO is "0" (i.e
20*4882a593Smuzhiyun  * pulled-down) the asynchronous boot mode is selected.
21*4882a593Smuzhiyun  *
22*4882a593Smuzhiyun  * In synchronous boot mode nSDCE3 is decoded starting at physical address
23*4882a593Smuzhiyun  * 0x00000000 and nCS0 is decoded starting at 0xf0000000.  For asynchronous
24*4882a593Smuzhiyun  * boot mode they are swapped with nCS0 decoded at 0x00000000 ann nSDCE3
25*4882a593Smuzhiyun  * decoded at 0xf0000000.
26*4882a593Smuzhiyun  *
27*4882a593Smuzhiyun  * There is known errata for the EP93xx dealing with External Memory
28*4882a593Smuzhiyun  * Configurations.  Please refer to "AN273: EP93xx Silicon Rev E Design
29*4882a593Smuzhiyun  * Guidelines" for more information.  This document can be found at:
30*4882a593Smuzhiyun  *
31*4882a593Smuzhiyun  *	http://www.cirrus.com/en/pubs/appNote/AN273REV4.pdf
32*4882a593Smuzhiyun  */
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #define EP93XX_CS0_PHYS_BASE_ASYNC	0x00000000	/* ASDO Pin = 0 */
35*4882a593Smuzhiyun #define EP93XX_SDCE3_PHYS_BASE_SYNC	0x00000000	/* ASDO Pin = 1 */
36*4882a593Smuzhiyun #define EP93XX_CS1_PHYS_BASE		0x10000000
37*4882a593Smuzhiyun #define EP93XX_CS2_PHYS_BASE		0x20000000
38*4882a593Smuzhiyun #define EP93XX_CS3_PHYS_BASE		0x30000000
39*4882a593Smuzhiyun #define EP93XX_PCMCIA_PHYS_BASE		0x40000000
40*4882a593Smuzhiyun #define EP93XX_CS6_PHYS_BASE		0x60000000
41*4882a593Smuzhiyun #define EP93XX_CS7_PHYS_BASE		0x70000000
42*4882a593Smuzhiyun #define EP93XX_SDCE0_PHYS_BASE		0xc0000000
43*4882a593Smuzhiyun #define EP93XX_SDCE1_PHYS_BASE		0xd0000000
44*4882a593Smuzhiyun #define EP93XX_SDCE2_PHYS_BASE		0xe0000000
45*4882a593Smuzhiyun #define EP93XX_SDCE3_PHYS_BASE_ASYNC	0xf0000000	/* ASDO Pin = 0 */
46*4882a593Smuzhiyun #define EP93XX_CS0_PHYS_BASE_SYNC	0xf0000000	/* ASDO Pin = 1 */
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun /* AHB peripherals */
49*4882a593Smuzhiyun #define EP93XX_DMA_BASE			EP93XX_AHB_IOMEM(0x00000000)
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #define EP93XX_ETHERNET_PHYS_BASE	EP93XX_AHB_PHYS(0x00010000)
52*4882a593Smuzhiyun #define EP93XX_ETHERNET_BASE		EP93XX_AHB_IOMEM(0x00010000)
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun #define EP93XX_USB_PHYS_BASE		EP93XX_AHB_PHYS(0x00020000)
55*4882a593Smuzhiyun #define EP93XX_USB_BASE			EP93XX_AHB_IOMEM(0x00020000)
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun #define EP93XX_RASTER_PHYS_BASE		EP93XX_AHB_PHYS(0x00030000)
58*4882a593Smuzhiyun #define EP93XX_RASTER_BASE		EP93XX_AHB_IOMEM(0x00030000)
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun #define EP93XX_GRAPHICS_ACCEL_BASE	EP93XX_AHB_IOMEM(0x00040000)
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun #define EP93XX_SDRAM_CONTROLLER_BASE	EP93XX_AHB_IOMEM(0x00060000)
63*4882a593Smuzhiyun 
64*4882a593Smuzhiyun #define EP93XX_PCMCIA_CONTROLLER_BASE	EP93XX_AHB_IOMEM(0x00080000)
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun #define EP93XX_BOOT_ROM_BASE		EP93XX_AHB_IOMEM(0x00090000)
67*4882a593Smuzhiyun 
68*4882a593Smuzhiyun #define EP93XX_IDE_PHYS_BASE		EP93XX_AHB_PHYS(0x000a0000)
69*4882a593Smuzhiyun #define EP93XX_IDE_BASE			EP93XX_AHB_IOMEM(0x000a0000)
70*4882a593Smuzhiyun 
71*4882a593Smuzhiyun #define EP93XX_VIC1_BASE		EP93XX_AHB_IOMEM(0x000b0000)
72*4882a593Smuzhiyun 
73*4882a593Smuzhiyun #define EP93XX_VIC2_BASE		EP93XX_AHB_IOMEM(0x000c0000)
74*4882a593Smuzhiyun 
75*4882a593Smuzhiyun /* APB peripherals */
76*4882a593Smuzhiyun #define EP93XX_TIMER_BASE		EP93XX_APB_IOMEM(0x00010000)
77*4882a593Smuzhiyun 
78*4882a593Smuzhiyun #define EP93XX_I2S_PHYS_BASE		EP93XX_APB_PHYS(0x00020000)
79*4882a593Smuzhiyun #define EP93XX_I2S_BASE			EP93XX_APB_IOMEM(0x00020000)
80*4882a593Smuzhiyun 
81*4882a593Smuzhiyun #define EP93XX_SECURITY_BASE		EP93XX_APB_IOMEM(0x00030000)
82*4882a593Smuzhiyun 
83*4882a593Smuzhiyun #define EP93XX_AAC_PHYS_BASE		EP93XX_APB_PHYS(0x00080000)
84*4882a593Smuzhiyun #define EP93XX_AAC_BASE			EP93XX_APB_IOMEM(0x00080000)
85*4882a593Smuzhiyun 
86*4882a593Smuzhiyun #define EP93XX_SPI_PHYS_BASE		EP93XX_APB_PHYS(0x000a0000)
87*4882a593Smuzhiyun #define EP93XX_SPI_BASE			EP93XX_APB_IOMEM(0x000a0000)
88*4882a593Smuzhiyun 
89*4882a593Smuzhiyun #define EP93XX_IRDA_BASE		EP93XX_APB_IOMEM(0x000b0000)
90*4882a593Smuzhiyun 
91*4882a593Smuzhiyun #define EP93XX_KEY_MATRIX_PHYS_BASE	EP93XX_APB_PHYS(0x000f0000)
92*4882a593Smuzhiyun #define EP93XX_KEY_MATRIX_BASE		EP93XX_APB_IOMEM(0x000f0000)
93*4882a593Smuzhiyun 
94*4882a593Smuzhiyun #define EP93XX_ADC_PHYS_BASE		EP93XX_APB_PHYS(0x00100000)
95*4882a593Smuzhiyun #define EP93XX_ADC_BASE			EP93XX_APB_IOMEM(0x00100000)
96*4882a593Smuzhiyun #define EP93XX_TOUCHSCREEN_BASE		EP93XX_APB_IOMEM(0x00100000)
97*4882a593Smuzhiyun 
98*4882a593Smuzhiyun #define EP93XX_PWM_PHYS_BASE		EP93XX_APB_PHYS(0x00110000)
99*4882a593Smuzhiyun #define EP93XX_PWM_BASE			EP93XX_APB_IOMEM(0x00110000)
100*4882a593Smuzhiyun 
101*4882a593Smuzhiyun #define EP93XX_RTC_PHYS_BASE		EP93XX_APB_PHYS(0x00120000)
102*4882a593Smuzhiyun #define EP93XX_RTC_BASE			EP93XX_APB_IOMEM(0x00120000)
103*4882a593Smuzhiyun 
104*4882a593Smuzhiyun #define EP93XX_WATCHDOG_PHYS_BASE	EP93XX_APB_PHYS(0x00140000)
105*4882a593Smuzhiyun #define EP93XX_WATCHDOG_BASE		EP93XX_APB_IOMEM(0x00140000)
106*4882a593Smuzhiyun 
107*4882a593Smuzhiyun /* System controller */
108*4882a593Smuzhiyun #define EP93XX_SYSCON_BASE		EP93XX_APB_IOMEM(0x00130000)
109*4882a593Smuzhiyun #define EP93XX_SYSCON_REG(x)		(EP93XX_SYSCON_BASE + (x))
110*4882a593Smuzhiyun #define EP93XX_SYSCON_POWER_STATE	EP93XX_SYSCON_REG(0x00)
111*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT		EP93XX_SYSCON_REG(0x04)
112*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_FIR_EN	(1<<31)
113*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_UARTBAUD	(1<<29)
114*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_USH_EN	(1<<28)
115*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_DMA_M2M1	(1<<27)
116*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_DMA_M2M0	(1<<26)
117*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_DMA_M2P8	(1<<25)
118*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_DMA_M2P9	(1<<24)
119*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_DMA_M2P6	(1<<23)
120*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_DMA_M2P7	(1<<22)
121*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_DMA_M2P4	(1<<21)
122*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_DMA_M2P5	(1<<20)
123*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_DMA_M2P2	(1<<19)
124*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_DMA_M2P3	(1<<18)
125*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_DMA_M2P0	(1<<17)
126*4882a593Smuzhiyun #define EP93XX_SYSCON_PWRCNT_DMA_M2P1	(1<<16)
127*4882a593Smuzhiyun #define EP93XX_SYSCON_HALT		EP93XX_SYSCON_REG(0x08)
128*4882a593Smuzhiyun #define EP93XX_SYSCON_STANDBY		EP93XX_SYSCON_REG(0x0c)
129*4882a593Smuzhiyun #define EP93XX_SYSCON_CLKSET1		EP93XX_SYSCON_REG(0x20)
130*4882a593Smuzhiyun #define EP93XX_SYSCON_CLKSET1_NBYP1	(1<<23)
131*4882a593Smuzhiyun #define EP93XX_SYSCON_CLKSET2		EP93XX_SYSCON_REG(0x24)
132*4882a593Smuzhiyun #define EP93XX_SYSCON_CLKSET2_NBYP2	(1<<19)
133*4882a593Smuzhiyun #define EP93XX_SYSCON_CLKSET2_PLL2_EN	(1<<18)
134*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG		EP93XX_SYSCON_REG(0x80)
135*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_SWRST	(1<<31)
136*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_D1ONG	(1<<30)
137*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_D0ONG	(1<<29)
138*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_IONU2	(1<<28)
139*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_GONK	(1<<27)
140*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_TONG	(1<<26)
141*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_MONG	(1<<25)
142*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_U3EN	(1<<24)
143*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_CPENA	(1<<23)
144*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_A2ONG	(1<<22)
145*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_A1ONG	(1<<21)
146*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_U2EN	(1<<20)
147*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_EXVC	(1<<19)
148*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_U1EN	(1<<18)
149*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_TIN	(1<<17)
150*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_HC3IN	(1<<15)
151*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_HC3EN	(1<<14)
152*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_HC1IN	(1<<13)
153*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_HC1EN	(1<<12)
154*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_HONIDE	(1<<11)
155*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_GONIDE	(1<<10)
156*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_PONG	(1<<9)
157*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_EONIDE	(1<<8)
158*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_I2SONSSP	(1<<7)
159*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_I2SONAC97	(1<<6)
160*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_RASONP3	(1<<4)
161*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_RAS	(1<<3)
162*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_ADCPD	(1<<2)
163*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_KEYS	(1<<1)
164*4882a593Smuzhiyun #define EP93XX_SYSCON_DEVCFG_SHENA	(1<<0)
165*4882a593Smuzhiyun #define EP93XX_SYSCON_VIDCLKDIV		EP93XX_SYSCON_REG(0x84)
166*4882a593Smuzhiyun #define EP93XX_SYSCON_CLKDIV_ENABLE	(1<<15)
167*4882a593Smuzhiyun #define EP93XX_SYSCON_CLKDIV_ESEL	(1<<14)
168*4882a593Smuzhiyun #define EP93XX_SYSCON_CLKDIV_PSEL	(1<<13)
169*4882a593Smuzhiyun #define EP93XX_SYSCON_CLKDIV_PDIV_SHIFT	8
170*4882a593Smuzhiyun #define EP93XX_SYSCON_I2SCLKDIV		EP93XX_SYSCON_REG(0x8c)
171*4882a593Smuzhiyun #define EP93XX_SYSCON_I2SCLKDIV_SENA	(1<<31)
172*4882a593Smuzhiyun #define EP93XX_SYSCON_I2SCLKDIV_ORIDE   (1<<29)
173*4882a593Smuzhiyun #define EP93XX_SYSCON_I2SCLKDIV_SPOL	(1<<19)
174*4882a593Smuzhiyun #define EP93XX_I2SCLKDIV_SDIV		(1 << 16)
175*4882a593Smuzhiyun #define EP93XX_I2SCLKDIV_LRDIV32	(0 << 17)
176*4882a593Smuzhiyun #define EP93XX_I2SCLKDIV_LRDIV64	(1 << 17)
177*4882a593Smuzhiyun #define EP93XX_I2SCLKDIV_LRDIV128	(2 << 17)
178*4882a593Smuzhiyun #define EP93XX_I2SCLKDIV_LRDIV_MASK	(3 << 17)
179*4882a593Smuzhiyun #define EP93XX_SYSCON_KEYTCHCLKDIV	EP93XX_SYSCON_REG(0x90)
180*4882a593Smuzhiyun #define EP93XX_SYSCON_KEYTCHCLKDIV_TSEN	(1<<31)
181*4882a593Smuzhiyun #define EP93XX_SYSCON_KEYTCHCLKDIV_ADIV	(1<<16)
182*4882a593Smuzhiyun #define EP93XX_SYSCON_KEYTCHCLKDIV_KEN	(1<<15)
183*4882a593Smuzhiyun #define EP93XX_SYSCON_KEYTCHCLKDIV_KDIV	(1<<0)
184*4882a593Smuzhiyun #define EP93XX_SYSCON_SYSCFG		EP93XX_SYSCON_REG(0x9c)
185*4882a593Smuzhiyun #define EP93XX_SYSCON_SYSCFG_REV_MASK	(0xf0000000)
186*4882a593Smuzhiyun #define EP93XX_SYSCON_SYSCFG_REV_SHIFT	(28)
187*4882a593Smuzhiyun #define EP93XX_SYSCON_SYSCFG_SBOOT	(1<<8)
188*4882a593Smuzhiyun #define EP93XX_SYSCON_SYSCFG_LCSN7	(1<<7)
189*4882a593Smuzhiyun #define EP93XX_SYSCON_SYSCFG_LCSN6	(1<<6)
190*4882a593Smuzhiyun #define EP93XX_SYSCON_SYSCFG_LASDO	(1<<5)
191*4882a593Smuzhiyun #define EP93XX_SYSCON_SYSCFG_LEEDA	(1<<4)
192*4882a593Smuzhiyun #define EP93XX_SYSCON_SYSCFG_LEECLK	(1<<3)
193*4882a593Smuzhiyun #define EP93XX_SYSCON_SYSCFG_LCSN2	(1<<1)
194*4882a593Smuzhiyun #define EP93XX_SYSCON_SYSCFG_LCSN1	(1<<0)
195*4882a593Smuzhiyun #define EP93XX_SYSCON_SWLOCK		EP93XX_SYSCON_REG(0xc0)
196*4882a593Smuzhiyun 
197*4882a593Smuzhiyun /* EP93xx System Controller software locked register write */
198*4882a593Smuzhiyun void ep93xx_syscon_swlocked_write(unsigned int val, void __iomem *reg);
199*4882a593Smuzhiyun void ep93xx_devcfg_set_clear(unsigned int set_bits, unsigned int clear_bits);
200*4882a593Smuzhiyun 
ep93xx_devcfg_set_bits(unsigned int bits)201*4882a593Smuzhiyun static inline void ep93xx_devcfg_set_bits(unsigned int bits)
202*4882a593Smuzhiyun {
203*4882a593Smuzhiyun 	ep93xx_devcfg_set_clear(bits, 0x00);
204*4882a593Smuzhiyun }
205*4882a593Smuzhiyun 
ep93xx_devcfg_clear_bits(unsigned int bits)206*4882a593Smuzhiyun static inline void ep93xx_devcfg_clear_bits(unsigned int bits)
207*4882a593Smuzhiyun {
208*4882a593Smuzhiyun 	ep93xx_devcfg_set_clear(0x00, bits);
209*4882a593Smuzhiyun }
210*4882a593Smuzhiyun 
211*4882a593Smuzhiyun #endif /* _EP93XX_SOC_H */
212