a09d2831b3
This updates the existing boards that specify the register width through platform data to use the resource flags instead. This eliminates platform data completely in most cases, and permits further improvement in the heartbeat driver as well as shrinking the overall private data size. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
146 lines
3.2 KiB
C
146 lines
3.2 KiB
C
/*
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* June 2006 steve.glendinning@smsc.com
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*
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* Polaris-specific resource declaration
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*
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*/
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/platform_device.h>
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#include <linux/smsc911x.h>
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#include <linux/io.h>
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#include <asm/irq.h>
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#include <asm/machvec.h>
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#include <asm/heartbeat.h>
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#include <cpu/gpio.h>
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#include <mach-se/mach/se.h>
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#define BCR2 (0xFFFFFF62)
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#define WCR2 (0xFFFFFF66)
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#define AREA5_WAIT_CTRL (0x1C00)
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#define WAIT_STATES_10 (0x7)
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static struct resource smsc911x_resources[] = {
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[0] = {
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.name = "smsc911x-memory",
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.start = PA_EXT5,
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.end = PA_EXT5 + 0x1fff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.name = "smsc911x-irq",
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.start = IRQ0_IRQ,
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.end = IRQ0_IRQ,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct smsc911x_platform_config smsc911x_config = {
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
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.flags = SMSC911X_USE_32BIT,
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.phy_interface = PHY_INTERFACE_MODE_MII,
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};
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static struct platform_device smsc911x_device = {
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.name = "smsc911x",
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.id = 0,
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.num_resources = ARRAY_SIZE(smsc911x_resources),
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.resource = smsc911x_resources,
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.dev = {
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.platform_data = &smsc911x_config,
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},
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};
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static unsigned char heartbeat_bit_pos[] = { 0, 1, 2, 3 };
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static struct heartbeat_data heartbeat_data = {
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.bit_pos = heartbeat_bit_pos,
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.nr_bits = ARRAY_SIZE(heartbeat_bit_pos),
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};
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static struct resource heartbeat_resource = {
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.start = PORT_PCDR,
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.end = PORT_PCDR,
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.flags = IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
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};
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static struct platform_device heartbeat_device = {
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.name = "heartbeat",
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.id = -1,
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.dev = {
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.platform_data = &heartbeat_data,
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},
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.num_resources = 1,
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.resource = &heartbeat_resource,
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};
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static struct platform_device *polaris_devices[] __initdata = {
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&smsc911x_device,
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&heartbeat_device,
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};
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static int __init polaris_initialise(void)
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{
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u16 wcr, bcr_mask;
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printk(KERN_INFO "Configuring Polaris external bus\n");
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/* Configure area 5 with 2 wait states */
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wcr = ctrl_inw(WCR2);
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wcr &= (~AREA5_WAIT_CTRL);
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wcr |= (WAIT_STATES_10 << 10);
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ctrl_outw(wcr, WCR2);
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/* Configure area 5 for 32-bit access */
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bcr_mask = ctrl_inw(BCR2);
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bcr_mask |= 1 << 10;
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ctrl_outw(bcr_mask, BCR2);
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return platform_add_devices(polaris_devices,
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ARRAY_SIZE(polaris_devices));
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}
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arch_initcall(polaris_initialise);
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static struct ipr_data ipr_irq_table[] = {
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/* External IRQs */
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{ IRQ0_IRQ, 0, 0, 1, }, /* IRQ0 */
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{ IRQ1_IRQ, 0, 4, 1, }, /* IRQ1 */
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};
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static unsigned long ipr_offsets[] = {
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INTC_IPRC
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};
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static struct ipr_desc ipr_irq_desc = {
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.ipr_offsets = ipr_offsets,
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.nr_offsets = ARRAY_SIZE(ipr_offsets),
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.ipr_data = ipr_irq_table,
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.nr_irqs = ARRAY_SIZE(ipr_irq_table),
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.chip = {
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.name = "sh7709-ext",
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},
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};
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static void __init init_polaris_irq(void)
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{
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/* Disable all interrupts */
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ctrl_outw(0, BCR_ILCRA);
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ctrl_outw(0, BCR_ILCRB);
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ctrl_outw(0, BCR_ILCRC);
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ctrl_outw(0, BCR_ILCRD);
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ctrl_outw(0, BCR_ILCRE);
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ctrl_outw(0, BCR_ILCRF);
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ctrl_outw(0, BCR_ILCRG);
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register_ipr_controller(&ipr_irq_desc);
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}
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static struct sh_machine_vector mv_polaris __initmv = {
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.mv_name = "Polaris",
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.mv_nr_irqs = 61,
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.mv_init_irq = init_polaris_irq,
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};
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