1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * linux/arch/arm/mach-mmp/mmp2.c
4  *
5  * code name MMP2
6  *
7  * Copyright (C) 2009 Marvell International Ltd.
8  */
9 #include <linux/clk/mmp.h>
10 #include <linux/module.h>
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/io.h>
14 #include <linux/irq.h>
15 #include <linux/irqchip/mmp.h>
16 #include <linux/platform_device.h>
17 
18 #include <asm/hardware/cache-tauros2.h>
19 
20 #include <asm/mach/time.h>
21 #include "addr-map.h"
22 #include "regs-apbc.h"
23 #include <linux/soc/mmp/cputype.h>
24 #include "irqs.h"
25 #include "mfp.h"
26 #include "devices.h"
27 #include "mmp2.h"
28 #include "pm-mmp2.h"
29 
30 #include "common.h"
31 
32 #define MFPR_VIRT_BASE	(APB_VIRT_BASE + 0x1e000)
33 
34 static struct mfp_addr_map mmp2_addr_map[] __initdata = {
35 
36 	MFP_ADDR_X(GPIO0, GPIO58, 0x54),
37 	MFP_ADDR_X(GPIO59, GPIO73, 0x280),
38 	MFP_ADDR_X(GPIO74, GPIO101, 0x170),
39 
40 	MFP_ADDR(GPIO102, 0x0),
41 	MFP_ADDR(GPIO103, 0x4),
42 	MFP_ADDR(GPIO104, 0x1fc),
43 	MFP_ADDR(GPIO105, 0x1f8),
44 	MFP_ADDR(GPIO106, 0x1f4),
45 	MFP_ADDR(GPIO107, 0x1f0),
46 	MFP_ADDR(GPIO108, 0x21c),
47 	MFP_ADDR(GPIO109, 0x218),
48 	MFP_ADDR(GPIO110, 0x214),
49 	MFP_ADDR(GPIO111, 0x200),
50 	MFP_ADDR(GPIO112, 0x244),
51 	MFP_ADDR(GPIO113, 0x25c),
52 	MFP_ADDR(GPIO114, 0x164),
53 	MFP_ADDR_X(GPIO115, GPIO122, 0x260),
54 
55 	MFP_ADDR(GPIO123, 0x148),
56 	MFP_ADDR_X(GPIO124, GPIO141, 0xc),
57 
58 	MFP_ADDR(GPIO142, 0x8),
59 	MFP_ADDR_X(GPIO143, GPIO151, 0x220),
60 	MFP_ADDR_X(GPIO152, GPIO153, 0x248),
61 	MFP_ADDR_X(GPIO154, GPIO155, 0x254),
62 	MFP_ADDR_X(GPIO156, GPIO159, 0x14c),
63 
64 	MFP_ADDR(GPIO160, 0x250),
65 	MFP_ADDR(GPIO161, 0x210),
66 	MFP_ADDR(GPIO162, 0x20c),
67 	MFP_ADDR(GPIO163, 0x208),
68 	MFP_ADDR(GPIO164, 0x204),
69 	MFP_ADDR(GPIO165, 0x1ec),
70 	MFP_ADDR(GPIO166, 0x1e8),
71 	MFP_ADDR(GPIO167, 0x1e4),
72 	MFP_ADDR(GPIO168, 0x1e0),
73 
74 	MFP_ADDR_X(TWSI1_SCL, TWSI1_SDA, 0x140),
75 	MFP_ADDR_X(TWSI4_SCL, TWSI4_SDA, 0x2bc),
76 
77 	MFP_ADDR(PMIC_INT, 0x2c4),
78 	MFP_ADDR(CLK_REQ, 0x160),
79 
80 	MFP_ADDR_END,
81 };
82 
mmp2_clear_pmic_int(void)83 void mmp2_clear_pmic_int(void)
84 {
85 	void __iomem *mfpr_pmic;
86 	unsigned long data;
87 
88 	mfpr_pmic = APB_VIRT_BASE + 0x1e000 + 0x2c4;
89 	data = __raw_readl(mfpr_pmic);
90 	__raw_writel(data | (1 << 6), mfpr_pmic);
91 	__raw_writel(data, mfpr_pmic);
92 }
93 
mmp2_init_irq(void)94 void __init mmp2_init_irq(void)
95 {
96 	mmp2_init_icu();
97 #ifdef CONFIG_PM
98 	icu_irq_chip.irq_set_wake = mmp2_set_wake;
99 #endif
100 }
101 
mmp2_init(void)102 static int __init mmp2_init(void)
103 {
104 	if (cpu_is_mmp2()) {
105 #ifdef CONFIG_CACHE_TAUROS2
106 		tauros2_init(0);
107 #endif
108 		mfp_init_base(MFPR_VIRT_BASE);
109 		mfp_init_addr(mmp2_addr_map);
110 		mmp2_clk_init(APB_PHYS_BASE + 0x50000,
111 			      AXI_PHYS_BASE + 0x82800,
112 			      APB_PHYS_BASE + 0x15000);
113 	}
114 
115 	return 0;
116 }
117 postcore_initcall(mmp2_init);
118 
119 #define APBC_TIMERS	APBC_REG(0x024)
120 
mmp2_timer_init(void)121 void __init mmp2_timer_init(void)
122 {
123 	unsigned long clk_rst;
124 
125 	__raw_writel(APBC_APBCLK | APBC_RST, APBC_TIMERS);
126 
127 	/*
128 	 * enable bus/functional clock, enable 6.5MHz (divider 4),
129 	 * release reset
130 	 */
131 	clk_rst = APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(1);
132 	__raw_writel(clk_rst, APBC_TIMERS);
133 
134 	mmp_timer_init(IRQ_MMP2_TIMER1, 6500000);
135 }
136 
137 /* on-chip devices */
138 MMP2_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4030000, 0x30, 4, 5);
139 MMP2_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4017000, 0x30, 20, 21);
140 MMP2_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4018000, 0x30, 22, 23);
141 MMP2_DEVICE(uart4, "pxa2xx-uart", 3, UART4, 0xd4016000, 0x30, 18, 19);
142 MMP2_DEVICE(twsi1, "pxa2xx-i2c", 0, TWSI1, 0xd4011000, 0x70);
143 MMP2_DEVICE(twsi2, "pxa2xx-i2c", 1, TWSI2, 0xd4031000, 0x70);
144 MMP2_DEVICE(twsi3, "pxa2xx-i2c", 2, TWSI3, 0xd4032000, 0x70);
145 MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70);
146 MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70);
147 MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70);
148 MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29);
149 MMP2_DEVICE(sdh0, "sdhci-pxav3", 0, MMC, 0xd4280000, 0x120);
150 MMP2_DEVICE(sdh1, "sdhci-pxav3", 1, MMC2, 0xd4280800, 0x120);
151 MMP2_DEVICE(sdh2, "sdhci-pxav3", 2, MMC3, 0xd4281000, 0x120);
152 MMP2_DEVICE(sdh3, "sdhci-pxav3", 3, MMC4, 0xd4281800, 0x120);
153 MMP2_DEVICE(asram, "asram", -1, NONE, 0xe0000000, 0x4000);
154 /* 0xd1000000 ~ 0xd101ffff is reserved for secure processor */
155 MMP2_DEVICE(isram, "isram", -1, NONE, 0xd1020000, 0x18000);
156 
157 struct resource mmp2_resource_gpio[] = {
158 	{
159 		.start	= 0xd4019000,
160 		.end	= 0xd4019fff,
161 		.flags	= IORESOURCE_MEM,
162 	}, {
163 		.start	= IRQ_MMP2_GPIO,
164 		.end	= IRQ_MMP2_GPIO,
165 		.name	= "gpio_mux",
166 		.flags	= IORESOURCE_IRQ,
167 	},
168 };
169 
170 struct platform_device mmp2_device_gpio = {
171 	.name		= "mmp2-gpio",
172 	.id		= -1,
173 	.num_resources	= ARRAY_SIZE(mmp2_resource_gpio),
174 	.resource	= mmp2_resource_gpio,
175 };
176