diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-30 14:04:53 +1100 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-30 14:04:53 +1100 |
commit | 9ff9a26b786c35ee8d2a66222924a807ec851a9f (patch) | |
tree | db432a17bccca1ca2c16907f0ee83ac449ed4012 /arch/sh/boards/board-polaris.c | |
parent | 0a3108beea9143225119d5e7c72a8e2c64f3eb7d (diff) | |
parent | 0d34fb8e93ceba7b6dad0062dbb4a0813bacd75b (diff) |
Merge commit 'origin/master' into next
Manual merge of:
arch/powerpc/include/asm/elf.h
drivers/i2c/busses/i2c-mpc.c
Diffstat (limited to 'arch/sh/boards/board-polaris.c')
-rw-r--r-- | arch/sh/boards/board-polaris.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/arch/sh/boards/board-polaris.c b/arch/sh/boards/board-polaris.c new file mode 100644 index 00000000000..62607eb5100 --- /dev/null +++ b/arch/sh/boards/board-polaris.c @@ -0,0 +1,149 @@ +/* + * June 2006 steve.glendinning@smsc.com + * + * Polaris-specific resource declaration + * + */ + +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/platform_device.h> +#include <linux/smsc911x.h> +#include <linux/io.h> +#include <asm/irq.h> +#include <asm/machvec.h> +#include <asm/heartbeat.h> +#include <cpu/gpio.h> +#include <mach-se/mach/se.h> + +#define BCR2 (0xFFFFFF62) +#define WCR2 (0xFFFFFF66) +#define AREA5_WAIT_CTRL (0x1C00) +#define WAIT_STATES_10 (0x7) + +static struct resource smsc911x_resources[] = { + [0] = { + .name = "smsc911x-memory", + .start = PA_EXT5, + .end = PA_EXT5 + 0x1fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = "smsc911x-irq", + .start = IRQ0_IRQ, + .end = IRQ0_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct smsc911x_platform_config smsc911x_config = { + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, + .flags = SMSC911X_USE_32BIT, + .phy_interface = PHY_INTERFACE_MODE_MII, +}; + +static struct platform_device smsc911x_device = { + .name = "smsc911x", + .id = 0, + .num_resources = ARRAY_SIZE(smsc911x_resources), + .resource = smsc911x_resources, + .dev = { + .platform_data = &smsc911x_config, + }, +}; + +static unsigned char heartbeat_bit_pos[] = { 0, 1, 2, 3 }; + +static struct heartbeat_data heartbeat_data = { + .bit_pos = heartbeat_bit_pos, + .nr_bits = ARRAY_SIZE(heartbeat_bit_pos), + .regsize = 8, +}; + +static struct resource heartbeat_resources[] = { + [0] = { + .start = PORT_PCDR, + .end = PORT_PCDR, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device heartbeat_device = { + .name = "heartbeat", + .id = -1, + .dev = { + .platform_data = &heartbeat_data, + }, + .num_resources = ARRAY_SIZE(heartbeat_resources), + .resource = heartbeat_resources, +}; + +static struct platform_device *polaris_devices[] __initdata = { + &smsc911x_device, + &heartbeat_device, +}; + +static int __init polaris_initialise(void) +{ + u16 wcr, bcr_mask; + + printk(KERN_INFO "Configuring Polaris external bus\n"); + + /* Configure area 5 with 2 wait states */ + wcr = ctrl_inw(WCR2); + wcr &= (~AREA5_WAIT_CTRL); + wcr |= (WAIT_STATES_10 << 10); + ctrl_outw(wcr, WCR2); + + /* Configure area 5 for 32-bit access */ + bcr_mask = ctrl_inw(BCR2); + bcr_mask |= 1 << 10; + ctrl_outw(bcr_mask, BCR2); + + return platform_add_devices(polaris_devices, + ARRAY_SIZE(polaris_devices)); +} +arch_initcall(polaris_initialise); + +static struct ipr_data ipr_irq_table[] = { + /* External IRQs */ + { IRQ0_IRQ, 0, 0, 1, }, /* IRQ0 */ + { IRQ1_IRQ, 0, 4, 1, }, /* IRQ1 */ +}; + +static unsigned long ipr_offsets[] = { + INTC_IPRC +}; + +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + .chip = { + .name = "sh7709-ext", + }, +}; + +static void __init init_polaris_irq(void) +{ + /* Disable all interrupts */ + ctrl_outw(0, BCR_ILCRA); + ctrl_outw(0, BCR_ILCRB); + ctrl_outw(0, BCR_ILCRC); + ctrl_outw(0, BCR_ILCRD); + ctrl_outw(0, BCR_ILCRE); + ctrl_outw(0, BCR_ILCRF); + ctrl_outw(0, BCR_ILCRG); + + register_ipr_controller(&ipr_irq_desc); +} + +static struct sh_machine_vector mv_polaris __initmv = { + .mv_name = "Polaris", + .mv_nr_irqs = 61, + .mv_init_irq = init_polaris_irq, +}; |