2 * r8a7790 processor support
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Copyright (C) 2013 Magnus Damm
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <linux/irq.h>
22 #include <linux/kernel.h>
23 #include <linux/of_platform.h>
24 #include <linux/platform_data/gpio-rcar.h>
25 #include <linux/platform_data/irq-renesas-irqc.h>
26 #include <linux/serial_sci.h>
27 #include <linux/sh_timer.h>
28 #include <mach/common.h>
29 #include <mach/irqs.h>
30 #include <mach/r8a7790.h>
31 #include <asm/mach/arch.h>
33 static const struct resource pfc_resources[] __initconst = {
34 DEFINE_RES_MEM(0xe6060000, 0x250),
37 #define r8a7790_register_pfc() \
38 platform_device_register_simple("pfc-r8a7790", -1, pfc_resources, \
39 ARRAY_SIZE(pfc_resources))
41 #define R8A7790_GPIO(idx) \
42 static const struct resource r8a7790_gpio##idx##_resources[] __initconst = { \
43 DEFINE_RES_MEM(0xe6050000 + 0x1000 * (idx), 0x50), \
44 DEFINE_RES_IRQ(gic_spi(4 + (idx))), \
47 static const struct gpio_rcar_config \
48 r8a7790_gpio##idx##_platform_data __initconst = { \
49 .gpio_base = 32 * (idx), \
51 .number_of_pins = 32, \
52 .pctl_name = "pfc-r8a7790", \
53 .has_both_edge_trigger = 1, \
63 #define r8a7790_register_gpio(idx) \
64 platform_device_register_resndata(&platform_bus, "gpio_rcar", idx, \
65 r8a7790_gpio##idx##_resources, \
66 ARRAY_SIZE(r8a7790_gpio##idx##_resources), \
67 &r8a7790_gpio##idx##_platform_data, \
68 sizeof(r8a7790_gpio##idx##_platform_data))
70 static struct resource i2c_resources[] __initdata = {
72 DEFINE_RES_MEM(0xE6508000, 0x40),
73 DEFINE_RES_IRQ(gic_spi(287)),
75 DEFINE_RES_MEM(0xE6518000, 0x40),
76 DEFINE_RES_IRQ(gic_spi(288)),
78 DEFINE_RES_MEM(0xE6530000, 0x40),
79 DEFINE_RES_IRQ(gic_spi(286)),
81 DEFINE_RES_MEM(0xE6540000, 0x40),
82 DEFINE_RES_IRQ(gic_spi(290)),
86 #define r8a7790_register_i2c(idx) \
87 platform_device_register_simple( \
88 "i2c-rcar_gen2", idx, \
89 i2c_resources + (2 * idx), 2); \
91 void __init r8a7790_pinmux_init(void)
93 r8a7790_register_pfc();
94 r8a7790_register_gpio(0);
95 r8a7790_register_gpio(1);
96 r8a7790_register_gpio(2);
97 r8a7790_register_gpio(3);
98 r8a7790_register_gpio(4);
99 r8a7790_register_gpio(5);
100 r8a7790_register_i2c(0);
101 r8a7790_register_i2c(1);
102 r8a7790_register_i2c(2);
103 r8a7790_register_i2c(3);
106 #define __R8A7790_SCIF(scif_type, _scscr, index, baseaddr, irq) \
107 static struct plat_sci_port scif##index##_platform_data = { \
109 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \
113 static struct resource scif##index##_resources[] = { \
114 DEFINE_RES_MEM(baseaddr, 0x100), \
115 DEFINE_RES_IRQ(irq), \
118 #define R8A7790_SCIF(index, baseaddr, irq) \
119 __R8A7790_SCIF(PORT_SCIF, SCSCR_RE | SCSCR_TE, \
120 index, baseaddr, irq)
122 #define R8A7790_SCIFA(index, baseaddr, irq) \
123 __R8A7790_SCIF(PORT_SCIFA, SCSCR_RE | SCSCR_TE | SCSCR_CKE0, \
124 index, baseaddr, irq)
126 #define R8A7790_SCIFB(index, baseaddr, irq) \
127 __R8A7790_SCIF(PORT_SCIFB, SCSCR_RE | SCSCR_TE, \
128 index, baseaddr, irq)
130 #define R8A7790_HSCIF(index, baseaddr, irq) \
131 __R8A7790_SCIF(PORT_HSCIF, SCSCR_RE | SCSCR_TE, \
132 index, baseaddr, irq)
134 R8A7790_SCIFA(0, 0xe6c40000, gic_spi(144)); /* SCIFA0 */
135 R8A7790_SCIFA(1, 0xe6c50000, gic_spi(145)); /* SCIFA1 */
136 R8A7790_SCIFB(2, 0xe6c20000, gic_spi(148)); /* SCIFB0 */
137 R8A7790_SCIFB(3, 0xe6c30000, gic_spi(149)); /* SCIFB1 */
138 R8A7790_SCIFB(4, 0xe6ce0000, gic_spi(150)); /* SCIFB2 */
139 R8A7790_SCIFA(5, 0xe6c60000, gic_spi(151)); /* SCIFA2 */
140 R8A7790_SCIF(6, 0xe6e60000, gic_spi(152)); /* SCIF0 */
141 R8A7790_SCIF(7, 0xe6e68000, gic_spi(153)); /* SCIF1 */
142 R8A7790_HSCIF(8, 0xe62c0000, gic_spi(154)); /* HSCIF0 */
143 R8A7790_HSCIF(9, 0xe62c8000, gic_spi(155)); /* HSCIF1 */
145 #define r8a7790_register_scif(index) \
146 platform_device_register_resndata(&platform_bus, "sh-sci", index, \
147 scif##index##_resources, \
148 ARRAY_SIZE(scif##index##_resources), \
149 &scif##index##_platform_data, \
150 sizeof(scif##index##_platform_data))
152 static const struct renesas_irqc_config irqc0_data __initconst = {
153 .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */
156 static const struct resource irqc0_resources[] __initconst = {
157 DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */
158 DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */
159 DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */
160 DEFINE_RES_IRQ(gic_spi(2)), /* IRQ2 */
161 DEFINE_RES_IRQ(gic_spi(3)), /* IRQ3 */
164 #define r8a7790_register_irqc(idx) \
165 platform_device_register_resndata(&platform_bus, "renesas_irqc", \
166 idx, irqc##idx##_resources, \
167 ARRAY_SIZE(irqc##idx##_resources), \
169 sizeof(struct renesas_irqc_config))
171 static const struct resource thermal_resources[] __initconst = {
172 DEFINE_RES_MEM(0xe61f0000, 0x14),
173 DEFINE_RES_MEM(0xe61f0100, 0x38),
174 DEFINE_RES_IRQ(gic_spi(69)),
177 #define r8a7790_register_thermal() \
178 platform_device_register_simple("rcar_thermal", -1, \
180 ARRAY_SIZE(thermal_resources))
182 static const struct sh_timer_config cmt00_platform_data __initconst = {
185 .clockevent_rating = 80,
188 static const struct resource cmt00_resources[] __initconst = {
189 DEFINE_RES_MEM(0xffca0510, 0x0c),
190 DEFINE_RES_MEM(0xffca0500, 0x04),
191 DEFINE_RES_IRQ(gic_spi(142)), /* CMT0_0 */
194 #define r8a7790_register_cmt(idx) \
195 platform_device_register_resndata(&platform_bus, "sh_cmt", \
196 idx, cmt##idx##_resources, \
197 ARRAY_SIZE(cmt##idx##_resources), \
198 &cmt##idx##_platform_data, \
199 sizeof(struct sh_timer_config))
201 void __init r8a7790_add_dt_devices(void)
203 r8a7790_register_scif(0);
204 r8a7790_register_scif(1);
205 r8a7790_register_scif(2);
206 r8a7790_register_scif(3);
207 r8a7790_register_scif(4);
208 r8a7790_register_scif(5);
209 r8a7790_register_scif(6);
210 r8a7790_register_scif(7);
211 r8a7790_register_scif(8);
212 r8a7790_register_scif(9);
213 r8a7790_register_cmt(00);
216 void __init r8a7790_add_standard_devices(void)
218 r8a7790_add_dt_devices();
219 r8a7790_register_irqc(0);
220 r8a7790_register_thermal();
223 void __init r8a7790_init_early(void)
225 #ifndef CONFIG_ARM_ARCH_TIMER
226 shmobile_setup_delay(1300, 2, 4); /* Cortex-A15 @ 1300MHz */
232 static const char * const r8a7790_boards_compat_dt[] __initconst = {
237 DT_MACHINE_START(R8A7790_DT, "Generic R8A7790 (Flattened Device Tree)")
238 .smp = smp_ops(r8a7790_smp_ops),
239 .init_early = r8a7790_init_early,
240 .init_time = rcar_gen2_timer_init,
241 .dt_compat = r8a7790_boards_compat_dt,
243 #endif /* CONFIG_USE_OF */