1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * linux/arch/sh/boards/renesas/sh7763rdp/setup.c
4  *
5  * Renesas Solutions sh7763rdp board
6  *
7  * Copyright (C) 2008 Renesas Solutions Corp.
8  * Copyright (C) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
9  */
10 #include <linux/init.h>
11 #include <linux/platform_device.h>
12 #include <linux/interrupt.h>
13 #include <linux/input.h>
14 #include <linux/mtd/physmap.h>
15 #include <linux/fb.h>
16 #include <linux/io.h>
17 #include <linux/sh_eth.h>
18 #include <linux/sh_intc.h>
19 #include <mach/sh7763rdp.h>
20 #include <asm/sh7760fb.h>
21 
22 /* NOR Flash */
23 static struct mtd_partition sh7763rdp_nor_flash_partitions[] = {
24 	{
25 		.name = "U-Boot",
26 		.offset = 0,
27 		.size = (2 * 128 * 1024),
28 		.mask_flags = MTD_WRITEABLE,	/* Read-only */
29 	}, {
30 		.name = "Linux-Kernel",
31 		.offset = MTDPART_OFS_APPEND,
32 		.size = (20 * 128 * 1024),
33 	}, {
34 		.name = "Root Filesystem",
35 		.offset = MTDPART_OFS_APPEND,
36 		.size = MTDPART_SIZ_FULL,
37 	},
38 };
39 
40 static struct physmap_flash_data sh7763rdp_nor_flash_data = {
41 	.width = 2,
42 	.parts = sh7763rdp_nor_flash_partitions,
43 	.nr_parts = ARRAY_SIZE(sh7763rdp_nor_flash_partitions),
44 };
45 
46 static struct resource sh7763rdp_nor_flash_resources[] = {
47 	[0] = {
48 		.name = "NOR Flash",
49 		.start = 0,
50 		.end = (64 * 1024 * 1024),
51 		.flags = IORESOURCE_MEM,
52 	},
53 };
54 
55 static struct platform_device sh7763rdp_nor_flash_device = {
56 	.name = "physmap-flash",
57 	.resource = sh7763rdp_nor_flash_resources,
58 	.num_resources = ARRAY_SIZE(sh7763rdp_nor_flash_resources),
59 	.dev = {
60 		.platform_data = &sh7763rdp_nor_flash_data,
61 	},
62 };
63 
64 /*
65  * SH-Ether
66  *
67  * SH Ether of SH7763 has multi IRQ handling.
68  * (0x920,0x940,0x960 -> 0x920)
69  */
70 static struct resource sh_eth_resources[] = {
71 	{
72 		.start  = 0xFEE00800,   /* use eth1 */
73 		.end    = 0xFEE00F7C - 1,
74 		.flags  = IORESOURCE_MEM,
75 	}, {
76 		.start  = 0xFEE01800,   /* TSU */
77 		.end    = 0xFEE01FFF,
78 		.flags  = IORESOURCE_MEM,
79 	}, {
80 		.start  = evt2irq(0x920),   /* irq number */
81 		.flags  = IORESOURCE_IRQ,
82 	},
83 };
84 
85 static struct sh_eth_plat_data sh7763_eth_pdata = {
86 	.phy = 1,
87 	.phy_interface = PHY_INTERFACE_MODE_MII,
88 };
89 
90 static struct platform_device sh7763rdp_eth_device = {
91 	.name       = "sh7763-gether",
92 	.resource   = sh_eth_resources,
93 	.num_resources  = ARRAY_SIZE(sh_eth_resources),
94 	.dev        = {
95 		.platform_data = &sh7763_eth_pdata,
96 	},
97 };
98 
99 /* SH7763 LCDC */
100 static struct resource sh7763rdp_fb_resources[] = {
101 	{
102 		.start  = 0xFFE80000,
103 		.end    = 0xFFE80442 - 1,
104 		.flags  = IORESOURCE_MEM,
105 	},
106 };
107 
108 static struct fb_videomode sh7763fb_videomode = {
109 	.refresh = 60,
110 	.name = "VGA Monitor",
111 	.xres = 640,
112 	.yres = 480,
113 	.pixclock = 10000,
114 	.left_margin = 80,
115 	.right_margin = 24,
116 	.upper_margin = 30,
117 	.lower_margin = 1,
118 	.hsync_len = 96,
119 	.vsync_len = 1,
120 	.sync = 0,
121 	.vmode = FB_VMODE_NONINTERLACED,
122 	.flag = FB_MODE_IS_UNKNOWN,
123 };
124 
125 static struct sh7760fb_platdata sh7763fb_def_pdata = {
126 	.def_mode = &sh7763fb_videomode,
127 	.ldmtr = (LDMTR_TFT_COLOR_16|LDMTR_MCNT),
128 	.lddfr = LDDFR_16BPP_RGB565,
129 	.ldpmmr = 0x0000,
130 	.ldpspr = 0xFFFF,
131 	.ldaclnr = 0x0001,
132 	.ldickr = 0x1102,
133 	.rotate = 0,
134 	.novsync = 0,
135 	.blank = NULL,
136 };
137 
138 static struct platform_device sh7763rdp_fb_device = {
139 	.name		= "sh7760-lcdc",
140 	.resource	= sh7763rdp_fb_resources,
141 	.num_resources = ARRAY_SIZE(sh7763rdp_fb_resources),
142 	.dev = {
143 		.platform_data = &sh7763fb_def_pdata,
144 	},
145 };
146 
147 static struct platform_device *sh7763rdp_devices[] __initdata = {
148 	&sh7763rdp_nor_flash_device,
149 	&sh7763rdp_eth_device,
150 	&sh7763rdp_fb_device,
151 };
152 
sh7763rdp_devices_setup(void)153 static int __init sh7763rdp_devices_setup(void)
154 {
155 	return platform_add_devices(sh7763rdp_devices,
156 				    ARRAY_SIZE(sh7763rdp_devices));
157 }
158 device_initcall(sh7763rdp_devices_setup);
159 
sh7763rdp_setup(char ** cmdline_p)160 static void __init sh7763rdp_setup(char **cmdline_p)
161 {
162 	/* Board version check */
163 	if (__raw_readw(CPLD_BOARD_ID_ERV_REG) == 0xECB1)
164 		printk(KERN_INFO "RTE Standard Configuration\n");
165 	else
166 		printk(KERN_INFO "RTA Standard Configuration\n");
167 
168 	/* USB pin select bits (clear bit 5-2 to 0) */
169 	__raw_writew((__raw_readw(PORT_PSEL2) & 0xFFC3), PORT_PSEL2);
170 	/* USBH setup port I controls to other (clear bits 4-9 to 0) */
171 	__raw_writew(__raw_readw(PORT_PICR) & 0xFC0F, PORT_PICR);
172 
173 	/* Select USB Host controller */
174 	__raw_writew(0x00, USB_USBHSC);
175 
176 	/* For LCD */
177 	/* set PTJ7-1, bits 15-2 of PJCR to 0 */
178 	__raw_writew(__raw_readw(PORT_PJCR) & 0x0003, PORT_PJCR);
179 	/* set PTI5, bits 11-10 of PICR to 0 */
180 	__raw_writew(__raw_readw(PORT_PICR) & 0xF3FF, PORT_PICR);
181 	__raw_writew(0, PORT_PKCR);
182 	__raw_writew(0, PORT_PLCR);
183 	/* set PSEL2 bits 14-8, 5-4, of PSEL2 to 0 */
184 	__raw_writew((__raw_readw(PORT_PSEL2) & 0x00C0), PORT_PSEL2);
185 	/* set PSEL3 bits 14-12, 6-4, 2-0 of PSEL3 to 0 */
186 	__raw_writew((__raw_readw(PORT_PSEL3) & 0x0700), PORT_PSEL3);
187 
188 	/* For HAC */
189 	/* bit3-0  0100:HAC & SSI1 enable */
190 	__raw_writew((__raw_readw(PORT_PSEL1) & 0xFFF0) | 0x0004, PORT_PSEL1);
191 	/* bit14      1:SSI_HAC_CLK enable */
192 	__raw_writew(__raw_readw(PORT_PSEL4) | 0x4000, PORT_PSEL4);
193 
194 	/* SH-Ether */
195 	__raw_writew((__raw_readw(PORT_PSEL1) & ~0xff00) | 0x2400, PORT_PSEL1);
196 	__raw_writew(0x0, PORT_PFCR);
197 	__raw_writew(0x0, PORT_PFCR);
198 	__raw_writew(0x0, PORT_PFCR);
199 
200 	/* MMC */
201 	/*selects SCIF and MMC other functions */
202 	__raw_writew(0x0001, PORT_PSEL0);
203 	/* MMC clock operates */
204 	__raw_writel(__raw_readl(MSTPCR1) & ~0x8, MSTPCR1);
205 	__raw_writew(__raw_readw(PORT_PACR) & ~0x3000, PORT_PACR);
206 	__raw_writew(__raw_readw(PORT_PCCR) & ~0xCFC3, PORT_PCCR);
207 }
208 
209 static struct sh_machine_vector mv_sh7763rdp __initmv = {
210 	.mv_name = "sh7763drp",
211 	.mv_setup = sh7763rdp_setup,
212 	.mv_init_irq = init_sh7763rdp_IRQ,
213 };
214