Linux Audio

Check our new training course

Loading...
v3.5.6
 
  1/*
  2 * June 2006 steve.glendinning@smsc.com
  3 *
  4 * Polaris-specific resource declaration
  5 *
  6 */
  7
  8#include <linux/init.h>
  9#include <linux/interrupt.h>
 10#include <linux/irq.h>
 11#include <linux/platform_device.h>
 
 
 12#include <linux/smsc911x.h>
 13#include <linux/io.h>
 14#include <asm/irq.h>
 15#include <asm/machvec.h>
 16#include <asm/heartbeat.h>
 17#include <cpu/gpio.h>
 18#include <mach-se/mach/se.h>
 19
 20#define BCR2		(0xFFFFFF62)
 21#define WCR2		(0xFFFFFF66)
 22#define AREA5_WAIT_CTRL	(0x1C00)
 23#define WAIT_STATES_10	(0x7)
 24
 
 
 
 
 
 
 25static struct resource smsc911x_resources[] = {
 26	[0] = {
 27		.name		= "smsc911x-memory",
 28		.start		= PA_EXT5,
 29		.end		= PA_EXT5 + 0x1fff,
 30		.flags		= IORESOURCE_MEM,
 31	},
 32	[1] = {
 33		.name		= "smsc911x-irq",
 34		.start		= IRQ0_IRQ,
 35		.end		= IRQ0_IRQ,
 36		.flags		= IORESOURCE_IRQ,
 37	},
 38};
 39
 40static struct smsc911x_platform_config smsc911x_config = {
 41	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 42	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 43	.flags		= SMSC911X_USE_32BIT,
 44	.phy_interface	= PHY_INTERFACE_MODE_MII,
 45};
 46
 47static struct platform_device smsc911x_device = {
 48	.name		= "smsc911x",
 49	.id		= 0,
 50	.num_resources	= ARRAY_SIZE(smsc911x_resources),
 51	.resource	= smsc911x_resources,
 52	.dev = {
 53		.platform_data = &smsc911x_config,
 54	},
 55};
 56
 57static unsigned char heartbeat_bit_pos[] = { 0, 1, 2, 3 };
 58
 59static struct heartbeat_data heartbeat_data = {
 60	.bit_pos	= heartbeat_bit_pos,
 61	.nr_bits	= ARRAY_SIZE(heartbeat_bit_pos),
 62};
 63
 64static struct resource heartbeat_resource = {
 65	.start	= PORT_PCDR,
 66	.end	= PORT_PCDR,
 67	.flags	= IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
 68};
 69
 70static struct platform_device heartbeat_device = {
 71	.name		= "heartbeat",
 72	.id		= -1,
 73	.dev	= {
 74		.platform_data	= &heartbeat_data,
 75	},
 76	.num_resources	= 1,
 77	.resource	= &heartbeat_resource,
 78};
 79
 80static struct platform_device *polaris_devices[] __initdata = {
 81	&smsc911x_device,
 82	&heartbeat_device,
 83};
 84
 85static int __init polaris_initialise(void)
 86{
 87	u16 wcr, bcr_mask;
 88
 89	printk(KERN_INFO "Configuring Polaris external bus\n");
 
 
 90
 91	/* Configure area 5 with 2 wait states */
 92	wcr = __raw_readw(WCR2);
 93	wcr &= (~AREA5_WAIT_CTRL);
 94	wcr |= (WAIT_STATES_10 << 10);
 95	__raw_writew(wcr, WCR2);
 96
 97	/* Configure area 5 for 32-bit access */
 98	bcr_mask = __raw_readw(BCR2);
 99	bcr_mask |= 1 << 10;
100	__raw_writew(bcr_mask, BCR2);
101
102	return platform_add_devices(polaris_devices,
103				    ARRAY_SIZE(polaris_devices));
104}
105arch_initcall(polaris_initialise);
106
107static struct ipr_data ipr_irq_table[] = {
108	/* External IRQs */
109	{ IRQ0_IRQ, 0,  0,  1, },	/* IRQ0 */
110	{ IRQ1_IRQ, 0,  4,  1, },	/* IRQ1 */
111};
112
113static unsigned long ipr_offsets[] = {
114	INTC_IPRC
115};
116
117static struct ipr_desc ipr_irq_desc = {
118	.ipr_offsets	= ipr_offsets,
119	.nr_offsets	= ARRAY_SIZE(ipr_offsets),
120
121	.ipr_data	= ipr_irq_table,
122	.nr_irqs	= ARRAY_SIZE(ipr_irq_table),
123	.chip = {
124		.name	= "sh7709-ext",
125	},
126};
127
128static void __init init_polaris_irq(void)
129{
130	/* Disable all interrupts */
131	__raw_writew(0, BCR_ILCRA);
132	__raw_writew(0, BCR_ILCRB);
133	__raw_writew(0, BCR_ILCRC);
134	__raw_writew(0, BCR_ILCRD);
135	__raw_writew(0, BCR_ILCRE);
136	__raw_writew(0, BCR_ILCRF);
137	__raw_writew(0, BCR_ILCRG);
138
139	register_ipr_controller(&ipr_irq_desc);
140}
141
142static struct sh_machine_vector mv_polaris __initmv = {
143	.mv_name		= "Polaris",
144	.mv_init_irq		= init_polaris_irq,
145};
v6.2
  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * June 2006 Steve Glendinning <steve.glendinning@shawell.net>
  4 *
  5 * Polaris-specific resource declaration
  6 *
  7 */
  8
  9#include <linux/init.h>
 10#include <linux/interrupt.h>
 11#include <linux/irq.h>
 12#include <linux/platform_device.h>
 13#include <linux/regulator/fixed.h>
 14#include <linux/regulator/machine.h>
 15#include <linux/smsc911x.h>
 16#include <linux/io.h>
 17#include <asm/irq.h>
 18#include <asm/machvec.h>
 19#include <asm/heartbeat.h>
 20#include <cpu/gpio.h>
 21#include <mach-se/mach/se.h>
 22
 23#define BCR2		(0xFFFFFF62)
 24#define WCR2		(0xFFFFFF66)
 25#define AREA5_WAIT_CTRL	(0x1C00)
 26#define WAIT_STATES_10	(0x7)
 27
 28/* Dummy supplies, where voltage doesn't matter */
 29static struct regulator_consumer_supply dummy_supplies[] = {
 30	REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 31	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 32};
 33
 34static struct resource smsc911x_resources[] = {
 35	[0] = {
 36		.name		= "smsc911x-memory",
 37		.start		= PA_EXT5,
 38		.end		= PA_EXT5 + 0x1fff,
 39		.flags		= IORESOURCE_MEM,
 40	},
 41	[1] = {
 42		.name		= "smsc911x-irq",
 43		.start		= IRQ0_IRQ,
 44		.end		= IRQ0_IRQ,
 45		.flags		= IORESOURCE_IRQ,
 46	},
 47};
 48
 49static struct smsc911x_platform_config smsc911x_config = {
 50	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 51	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 52	.flags		= SMSC911X_USE_32BIT,
 53	.phy_interface	= PHY_INTERFACE_MODE_MII,
 54};
 55
 56static struct platform_device smsc911x_device = {
 57	.name		= "smsc911x",
 58	.id		= 0,
 59	.num_resources	= ARRAY_SIZE(smsc911x_resources),
 60	.resource	= smsc911x_resources,
 61	.dev = {
 62		.platform_data = &smsc911x_config,
 63	},
 64};
 65
 66static unsigned char heartbeat_bit_pos[] = { 0, 1, 2, 3 };
 67
 68static struct heartbeat_data heartbeat_data = {
 69	.bit_pos	= heartbeat_bit_pos,
 70	.nr_bits	= ARRAY_SIZE(heartbeat_bit_pos),
 71};
 72
 73static struct resource heartbeat_resource = {
 74	.start	= PORT_PCDR,
 75	.end	= PORT_PCDR,
 76	.flags	= IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
 77};
 78
 79static struct platform_device heartbeat_device = {
 80	.name		= "heartbeat",
 81	.id		= -1,
 82	.dev	= {
 83		.platform_data	= &heartbeat_data,
 84	},
 85	.num_resources	= 1,
 86	.resource	= &heartbeat_resource,
 87};
 88
 89static struct platform_device *polaris_devices[] __initdata = {
 90	&smsc911x_device,
 91	&heartbeat_device,
 92};
 93
 94static int __init polaris_initialise(void)
 95{
 96	u16 wcr, bcr_mask;
 97
 98	printk(KERN_INFO "Configuring Polaris external bus\n");
 99
100	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
101
102	/* Configure area 5 with 2 wait states */
103	wcr = __raw_readw(WCR2);
104	wcr &= (~AREA5_WAIT_CTRL);
105	wcr |= (WAIT_STATES_10 << 10);
106	__raw_writew(wcr, WCR2);
107
108	/* Configure area 5 for 32-bit access */
109	bcr_mask = __raw_readw(BCR2);
110	bcr_mask |= 1 << 10;
111	__raw_writew(bcr_mask, BCR2);
112
113	return platform_add_devices(polaris_devices,
114				    ARRAY_SIZE(polaris_devices));
115}
116arch_initcall(polaris_initialise);
117
118static struct ipr_data ipr_irq_table[] = {
119	/* External IRQs */
120	{ IRQ0_IRQ, 0,  0,  1, },	/* IRQ0 */
121	{ IRQ1_IRQ, 0,  4,  1, },	/* IRQ1 */
122};
123
124static unsigned long ipr_offsets[] = {
125	INTC_IPRC
126};
127
128static struct ipr_desc ipr_irq_desc = {
129	.ipr_offsets	= ipr_offsets,
130	.nr_offsets	= ARRAY_SIZE(ipr_offsets),
131
132	.ipr_data	= ipr_irq_table,
133	.nr_irqs	= ARRAY_SIZE(ipr_irq_table),
134	.chip = {
135		.name	= "sh7709-ext",
136	},
137};
138
139static void __init init_polaris_irq(void)
140{
141	/* Disable all interrupts */
142	__raw_writew(0, BCR_ILCRA);
143	__raw_writew(0, BCR_ILCRB);
144	__raw_writew(0, BCR_ILCRC);
145	__raw_writew(0, BCR_ILCRD);
146	__raw_writew(0, BCR_ILCRE);
147	__raw_writew(0, BCR_ILCRF);
148	__raw_writew(0, BCR_ILCRG);
149
150	register_ipr_controller(&ipr_irq_desc);
151}
152
153static struct sh_machine_vector mv_polaris __initmv = {
154	.mv_name		= "Polaris",
155	.mv_init_irq		= init_polaris_irq,
156};