1 /*
2  * UniPhier SG (SoC Glue) block registers
3  *
4  * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #ifndef ARCH_SG_REGS_H
10 #define ARCH_SG_REGS_H
11 
12 /* Base Address */
13 #define SG_CTRL_BASE			0x5f800000
14 #define SG_DBG_BASE			0x5f900000
15 
16 /* Revision */
17 #define SG_REVISION			(SG_CTRL_BASE | 0x0000)
18 #define SG_REVISION_TYPE_SHIFT		16
19 #define SG_REVISION_TYPE_MASK		(0xff << SG_REVISION_TYPE_SHIFT)
20 #define SG_REVISION_MODEL_SHIFT		8
21 #define SG_REVISION_MODEL_MASK		(0x3 << SG_REVISION_MODEL_SHIFT)
22 #define SG_REVISION_REV_SHIFT		0
23 #define SG_REVISION_REV_MASK		(0x1f << SG_REVISION_REV_SHIFT)
24 
25 /* Memory Configuration */
26 #define SG_MEMCONF			(SG_CTRL_BASE | 0x0400)
27 
28 #define SG_MEMCONF_CH0_SZ_MASK		((0x1 << 10) | (0x03 << 0))
29 #define SG_MEMCONF_CH0_SZ_64M		((0x0 << 10) | (0x01 << 0))
30 #define SG_MEMCONF_CH0_SZ_128M		((0x0 << 10) | (0x02 << 0))
31 #define SG_MEMCONF_CH0_SZ_256M		((0x0 << 10) | (0x03 << 0))
32 #define SG_MEMCONF_CH0_SZ_512M		((0x1 << 10) | (0x00 << 0))
33 #define SG_MEMCONF_CH0_SZ_1G		((0x1 << 10) | (0x01 << 0))
34 #define SG_MEMCONF_CH0_NUM_MASK		(0x1 << 8)
35 #define SG_MEMCONF_CH0_NUM_1		(0x1 << 8)
36 #define SG_MEMCONF_CH0_NUM_2		(0x0 << 8)
37 
38 #define SG_MEMCONF_CH1_SZ_MASK		((0x1 << 11) | (0x03 << 2))
39 #define SG_MEMCONF_CH1_SZ_64M		((0x0 << 11) | (0x01 << 2))
40 #define SG_MEMCONF_CH1_SZ_128M		((0x0 << 11) | (0x02 << 2))
41 #define SG_MEMCONF_CH1_SZ_256M		((0x0 << 11) | (0x03 << 2))
42 #define SG_MEMCONF_CH1_SZ_512M		((0x1 << 11) | (0x00 << 2))
43 #define SG_MEMCONF_CH1_SZ_1G		((0x1 << 11) | (0x01 << 2))
44 #define SG_MEMCONF_CH1_NUM_MASK		(0x1 << 9)
45 #define SG_MEMCONF_CH1_NUM_1		(0x1 << 9)
46 #define SG_MEMCONF_CH1_NUM_2		(0x0 << 9)
47 
48 #define SG_MEMCONF_CH2_SZ_MASK		((0x1 << 26) | (0x03 << 16))
49 #define SG_MEMCONF_CH2_SZ_64M		((0x0 << 26) | (0x01 << 16))
50 #define SG_MEMCONF_CH2_SZ_128M		((0x0 << 26) | (0x02 << 16))
51 #define SG_MEMCONF_CH2_SZ_256M		((0x0 << 26) | (0x03 << 16))
52 #define SG_MEMCONF_CH2_SZ_512M		((0x1 << 26) | (0x00 << 16))
53 #define SG_MEMCONF_CH2_SZ_1G		((0x1 << 26) | (0x01 << 16))
54 #define SG_MEMCONF_CH2_NUM_MASK		(0x1 << 24)
55 #define SG_MEMCONF_CH2_NUM_1		(0x1 << 24)
56 #define SG_MEMCONF_CH2_NUM_2		(0x0 << 24)
57 /* PH1-LD6b, ProXstream2, PH1-LD20 only */
58 #define SG_MEMCONF_CH2_DISABLE		(0x1 << 21)
59 
60 #define SG_MEMCONF_SPARSEMEM		(0x1 << 4)
61 
62 /* Pin Control */
63 #define SG_PINCTRL_BASE			(SG_CTRL_BASE | 0x1000)
64 
65 /* PH1-Pro4, PH1-Pro5 */
66 #define SG_LOADPINCTRL			(SG_CTRL_BASE | 0x1700)
67 
68 /* Input Enable */
69 #define SG_IECTRL			(SG_CTRL_BASE | 0x1d00)
70 
71 /* Pin Monitor */
72 #define SG_PINMON0			(SG_DBG_BASE | 0x0100)
73 
74 #define SG_PINMON0_CLK_MODE_UPLLSRC_MASK	(0x3 << 19)
75 #define SG_PINMON0_CLK_MODE_UPLLSRC_DEFAULT	(0x0 << 19)
76 #define SG_PINMON0_CLK_MODE_UPLLSRC_VPLL27A	(0x2 << 19)
77 #define SG_PINMON0_CLK_MODE_UPLLSRC_VPLL27B	(0x3 << 19)
78 
79 #define SG_PINMON0_CLK_MODE_AXOSEL_MASK		(0x3 << 16)
80 #define SG_PINMON0_CLK_MODE_AXOSEL_24576KHZ	(0x0 << 16)
81 #define SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ	(0x1 << 16)
82 #define SG_PINMON0_CLK_MODE_AXOSEL_6144KHZ	(0x2 << 16)
83 #define SG_PINMON0_CLK_MODE_AXOSEL_6250KHZ	(0x3 << 16)
84 
85 #define SG_PINMON0_CLK_MODE_AXOSEL_DEFAULT	(0x0 << 16)
86 #define SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_U	(0x1 << 16)
87 #define SG_PINMON0_CLK_MODE_AXOSEL_20480KHZ	(0x2 << 16)
88 #define SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_A	(0x3 << 16)
89 
90 #ifdef __ASSEMBLY__
91 
92 	.macro	sg_set_pinsel, pin, muxval, mux_bits, reg_stride, ra, rd
93 	ldr	\ra, =(SG_PINCTRL_BASE + \pin * \mux_bits / 32 * \reg_stride)
94 	ldr	\rd, [\ra]
95 	and	\rd, \rd, #~(((1 << \mux_bits) - 1) << (\pin * \mux_bits % 32))
96 	orr	\rd, \rd, #(\muxval << (\pin * \mux_bits % 32))
97 	str	\rd, [\ra]
98 	.endm
99 
100 #else
101 
102 #include <linux/types.h>
103 #include <linux/io.h>
104 
105 static inline void sg_set_pinsel(unsigned pin, unsigned muxval,
106 				 unsigned mux_bits, unsigned reg_stride)
107 {
108 	unsigned shift = pin * mux_bits % 32;
109 	unsigned long reg = SG_PINCTRL_BASE + pin * mux_bits / 32 * reg_stride;
110 	u32 mask = (1U << mux_bits) - 1;
111 	u32 tmp;
112 
113 	tmp = readl(reg);
114 	tmp &= ~(mask << shift);
115 	tmp |= (mask & muxval) << shift;
116 	writel(tmp, reg);
117 }
118 
119 static inline void sg_set_iectrl(unsigned pin)
120 {
121 	unsigned bit = pin % 32;
122 	unsigned long reg = SG_IECTRL + pin / 32 * 4;
123 	u32 tmp;
124 
125 	tmp = readl(reg);
126 	tmp |= 1 << bit;
127 	writel(tmp, reg);
128 }
129 
130 static inline void sg_set_iectrl_range(unsigned min, unsigned max)
131 {
132 	int i;
133 
134 	for (i = min; i <= max; i++)
135 		sg_set_iectrl(i);
136 }
137 
138 #endif /* __ASSEMBLY__ */
139 
140 #endif /* ARCH_SG_REGS_H */
141