File Index
Files and directories
Sign in
FILE

setup-sh7619.c

File preview with syntax highlighting.

linux-6.19.14/arch/sh/kernel/cpu/sh2/setup-sh7619.c C
  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * SH7619 Setup
  4 *
  5 *  Copyright (C) 2006  Yoshinori Sato
  6 *  Copyright (C) 2009  Paul Mundt
  7 */
  8#include <linux/platform_device.h>
  9#include <linux/init.h>
 10#include <linux/serial.h>
 11#include <linux/serial_sci.h>
 12#include <linux/sh_eth.h>
 13#include <linux/sh_timer.h>
 14#include <linux/io.h>
 15#include <asm/platform_early.h>
 16
 17enum {
 18	UNUSED = 0,
 19
 20	/* interrupt sources */
 21	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
 22	WDT, EDMAC, CMT0, CMT1,
 23	SCIF0, SCIF1, SCIF2,
 24	HIF_HIFI, HIF_HIFBI,
 25	DMAC0, DMAC1, DMAC2, DMAC3,
 26	SIOF,
 27};
 28
 29static struct intc_vect vectors[] __initdata = {
 30	INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
 31	INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
 32	INTC_IRQ(IRQ4, 80), INTC_IRQ(IRQ5, 81),
 33	INTC_IRQ(IRQ6, 82), INTC_IRQ(IRQ7, 83),
 34	INTC_IRQ(WDT, 84), INTC_IRQ(EDMAC, 85),
 35	INTC_IRQ(CMT0, 86), INTC_IRQ(CMT1, 87),
 36	INTC_IRQ(SCIF0, 88), INTC_IRQ(SCIF0, 89),
 37	INTC_IRQ(SCIF0, 90), INTC_IRQ(SCIF0, 91),
 38	INTC_IRQ(SCIF1, 92), INTC_IRQ(SCIF1, 93),
 39	INTC_IRQ(SCIF1, 94), INTC_IRQ(SCIF1, 95),
 40	INTC_IRQ(SCIF2, 96), INTC_IRQ(SCIF2, 97),
 41	INTC_IRQ(SCIF2, 98), INTC_IRQ(SCIF2, 99),
 42	INTC_IRQ(HIF_HIFI, 100), INTC_IRQ(HIF_HIFBI, 101),
 43	INTC_IRQ(DMAC0, 104), INTC_IRQ(DMAC1, 105),
 44	INTC_IRQ(DMAC2, 106), INTC_IRQ(DMAC3, 107),
 45	INTC_IRQ(SIOF, 108),
 46};
 47
 48static struct intc_prio_reg prio_registers[] __initdata = {
 49	{ 0xf8140006, 0, 16, 4, /* IPRA */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
 50	{ 0xf8140008, 0, 16, 4, /* IPRB */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
 51	{ 0xf8080000, 0, 16, 4, /* IPRC */ { WDT, EDMAC, CMT0, CMT1 } },
 52	{ 0xf8080002, 0, 16, 4, /* IPRD */ { SCIF0, SCIF1, SCIF2 } },
 53	{ 0xf8080004, 0, 16, 4, /* IPRE */ { HIF_HIFI, HIF_HIFBI } },
 54	{ 0xf8080006, 0, 16, 4, /* IPRF */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
 55	{ 0xf8080008, 0, 16, 4, /* IPRG */ { SIOF } },
 56};
 57
 58static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL,
 59			 NULL, prio_registers, NULL);
 60
 61static struct plat_sci_port scif0_platform_data = {
 62	.scscr		= SCSCR_REIE,
 63	.type		= PORT_SCIF,
 64};
 65
 66static struct resource scif0_resources[] = {
 67	DEFINE_RES_MEM(0xf8400000, 0x100),
 68	DEFINE_RES_IRQ(88),
 69};
 70
 71static struct platform_device scif0_device = {
 72	.name		= "sh-sci",
 73	.id		= 0,
 74	.resource	= scif0_resources,
 75	.num_resources	= ARRAY_SIZE(scif0_resources),
 76	.dev		= {
 77		.platform_data	= &scif0_platform_data,
 78	},
 79};
 80
 81static struct plat_sci_port scif1_platform_data = {
 82	.scscr		= SCSCR_REIE,
 83	.type		= PORT_SCIF,
 84};
 85
 86static struct resource scif1_resources[] = {
 87	DEFINE_RES_MEM(0xf8410000, 0x100),
 88	DEFINE_RES_IRQ(92),
 89};
 90
 91static struct platform_device scif1_device = {
 92	.name		= "sh-sci",
 93	.id		= 1,
 94	.resource	= scif1_resources,
 95	.num_resources	= ARRAY_SIZE(scif1_resources),
 96	.dev		= {
 97		.platform_data	= &scif1_platform_data,
 98	},
 99};
100
101static struct plat_sci_port scif2_platform_data = {
102	.scscr		= SCSCR_REIE,
103	.type		= PORT_SCIF,
104};
105
106static struct resource scif2_resources[] = {
107	DEFINE_RES_MEM(0xf8420000, 0x100),
108	DEFINE_RES_IRQ(96),
109};
110
111static struct platform_device scif2_device = {
112	.name		= "sh-sci",
113	.id		= 2,
114	.resource	= scif2_resources,
115	.num_resources	= ARRAY_SIZE(scif2_resources),
116	.dev		= {
117		.platform_data	= &scif2_platform_data,
118	},
119};
120
121static struct sh_eth_plat_data eth_platform_data = {
122	.phy		= 1,
123	.phy_interface	= PHY_INTERFACE_MODE_MII,
124};
125
126static struct resource eth_resources[] = {
127	[0] = {
128		.start = 0xfb000000,
129		.end = 0xfb0001c7,
130		.flags = IORESOURCE_MEM,
131	},
132	[1] = {
133		.start = 85,
134		.end = 85,
135		.flags = IORESOURCE_IRQ,
136	},
137};
138
139static struct platform_device eth_device = {
140	.name = "sh7619-ether",
141	.id = -1,
142	.dev = {
143		.platform_data = &eth_platform_data,
144	},
145	.num_resources = ARRAY_SIZE(eth_resources),
146	.resource = eth_resources,
147};
148
149static struct sh_timer_config cmt_platform_data = {
150	.channels_mask = 3,
151};
152
153static struct resource cmt_resources[] = {
154	DEFINE_RES_MEM(0xf84a0070, 0x10),
155	DEFINE_RES_IRQ(86),
156	DEFINE_RES_IRQ(87),
157};
158
159static struct platform_device cmt_device = {
160	.name		= "sh-cmt-16",
161	.id		= 0,
162	.dev = {
163		.platform_data	= &cmt_platform_data,
164	},
165	.resource	= cmt_resources,
166	.num_resources	= ARRAY_SIZE(cmt_resources),
167};
168
169static struct platform_device *sh7619_devices[] __initdata = {
170	&scif0_device,
171	&scif1_device,
172	&scif2_device,
173	&eth_device,
174	&cmt_device,
175};
176
177static int __init sh7619_devices_setup(void)
178{
179	return platform_add_devices(sh7619_devices,
180				    ARRAY_SIZE(sh7619_devices));
181}
182arch_initcall(sh7619_devices_setup);
183
184void __init plat_irq_setup(void)
185{
186	register_intc_controller(&intc_desc);
187}
188
189static struct platform_device *sh7619_early_devices[] __initdata = {
190	&scif0_device,
191	&scif1_device,
192	&scif2_device,
193	&cmt_device,
194};
195
196#define STBCR3 0xf80a0000
197
198void __init plat_early_device_setup(void)
199{
200	/* enable CMT clock */
201	__raw_writeb(__raw_readb(STBCR3) & ~0x10, STBCR3);
202
203	sh_early_platform_add_devices(sh7619_early_devices,
204				   ARRAY_SIZE(sh7619_early_devices));
205}
~/ Read-only file preview.