-/*
- * Versatile Express V2M Motherboard Support
- */
-#include <linux/device.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/mmci.h>
-#include <linux/io.h>
-#include <linux/smp.h>
-#include <linux/init.h>
-#include <linux/of_address.h>
-#include <linux/of_fdt.h>
-#include <linux/of_irq.h>
-#include <linux/of_platform.h>
-#include <linux/platform_device.h>
-#include <linux/ata_platform.h>
-#include <linux/smsc911x.h>
-#include <linux/spinlock.h>
-#include <linux/usb/isp1760.h>
-#include <linux/mtd/physmap.h>
-#include <linux/regulator/fixed.h>
-#include <linux/regulator/machine.h>
-#include <linux/vexpress.h>
-#include <linux/clkdev.h>
-
-#include <asm/mach-types.h>
-#include <asm/sizes.h>
#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/time.h>
-#include <asm/hardware/arm_timer.h>
-#include <asm/hardware/cache-l2x0.h>
-#include <asm/hardware/timer-sp.h>
-
-#include <mach/ct-ca9x4.h>
-#include <mach/motherboard.h>
-
-#include <plat/sched_clock.h>
-#include <plat/platsmp.h>
#include "core.h"
-#define V2M_PA_CS0 0x40000000
-#define V2M_PA_CS1 0x44000000
-#define V2M_PA_CS2 0x48000000
-#define V2M_PA_CS3 0x4c000000
-#define V2M_PA_CS7 0x10000000
-
-static struct map_desc v2m_io_desc[] __initdata = {
- {
- .virtual = V2M_PERIPH,
- .pfn = __phys_to_pfn(V2M_PA_CS7),
- .length = SZ_128K,
- .type = MT_DEVICE,
- },
-};
-
-static void __init v2m_sp804_init(void __iomem *base, unsigned int irq)
-{
- if (WARN_ON(!base || irq == NO_IRQ))
- return;
-
- sp804_clocksource_init(base + TIMER_2_BASE, "v2m-timer1");
- sp804_clockevents_init(base + TIMER_1_BASE, irq, "v2m-timer0");
-}
-
-
-static struct resource v2m_pcie_i2c_resource = {
- .start = V2M_SERIAL_BUS_PCI,
- .end = V2M_SERIAL_BUS_PCI + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device v2m_pcie_i2c_device = {
- .name = "versatile-i2c",
- .id = 0,
- .num_resources = 1,
- .resource = &v2m_pcie_i2c_resource,
-};
-
-static struct resource v2m_ddc_i2c_resource = {
- .start = V2M_SERIAL_BUS_DVI,
- .end = V2M_SERIAL_BUS_DVI + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device v2m_ddc_i2c_device = {
- .name = "versatile-i2c",
- .id = 1,
- .num_resources = 1,
- .resource = &v2m_ddc_i2c_resource,
-};
-
-static struct resource v2m_eth_resources[] = {
- {
- .start = V2M_LAN9118,
- .end = V2M_LAN9118 + SZ_64K - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .start = IRQ_V2M_LAN9118,
- .end = IRQ_V2M_LAN9118,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct smsc911x_platform_config v2m_eth_config = {
- .flags = SMSC911X_USE_32BIT,
- .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
- .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
- .phy_interface = PHY_INTERFACE_MODE_MII,
-};
-
-static struct platform_device v2m_eth_device = {
- .name = "smsc911x",
- .id = -1,
- .resource = v2m_eth_resources,
- .num_resources = ARRAY_SIZE(v2m_eth_resources),
- .dev.platform_data = &v2m_eth_config,
-};
-
-static struct regulator_consumer_supply v2m_eth_supplies[] = {
- REGULATOR_SUPPLY("vddvario", "smsc911x"),
- REGULATOR_SUPPLY("vdd33a", "smsc911x"),
-};
-
-static struct resource v2m_usb_resources[] = {
- {
- .start = V2M_ISP1761,
- .end = V2M_ISP1761 + SZ_128K - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .start = IRQ_V2M_ISP1761,
- .end = IRQ_V2M_ISP1761,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct isp1760_platform_data v2m_usb_config = {
- .is_isp1761 = true,
- .bus_width_16 = false,
- .port1_otg = true,
- .analog_oc = false,
- .dack_polarity_high = false,
- .dreq_polarity_high = false,
-};
-
-static struct platform_device v2m_usb_device = {
- .name = "isp1760",
- .id = -1,
- .resource = v2m_usb_resources,
- .num_resources = ARRAY_SIZE(v2m_usb_resources),
- .dev.platform_data = &v2m_usb_config,
-};
-
-static struct physmap_flash_data v2m_flash_data = {
- .width = 4,
-};
-
-static struct resource v2m_flash_resources[] = {
- {
- .start = V2M_NOR0,
- .end = V2M_NOR0 + SZ_64M - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .start = V2M_NOR1,
- .end = V2M_NOR1 + SZ_64M - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device v2m_flash_device = {
- .name = "physmap-flash",
- .id = -1,
- .resource = v2m_flash_resources,
- .num_resources = ARRAY_SIZE(v2m_flash_resources),
- .dev.platform_data = &v2m_flash_data,
-};
-
-static struct pata_platform_info v2m_pata_data = {
- .ioport_shift = 2,
-};
-
-static struct resource v2m_pata_resources[] = {
- {
- .start = V2M_CF,
- .end = V2M_CF + 0xff,
- .flags = IORESOURCE_MEM,
- }, {
- .start = V2M_CF + 0x100,
- .end = V2M_CF + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device v2m_cf_device = {
- .name = "pata_platform",
- .id = -1,
- .resource = v2m_pata_resources,
- .num_resources = ARRAY_SIZE(v2m_pata_resources),
- .dev.platform_data = &v2m_pata_data,
-};
-
-static struct mmci_platform_data v2m_mmci_data = {
- .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
- .status = vexpress_get_mci_cardin,
- .gpio_cd = -1,
- .gpio_wp = -1,
-};
-
-static struct resource v2m_sysreg_resources[] = {
- {
- .start = V2M_SYSREGS,
- .end = V2M_SYSREGS + 0xfff,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device v2m_sysreg_device = {
- .name = "vexpress-sysreg",
- .id = -1,
- .resource = v2m_sysreg_resources,
- .num_resources = ARRAY_SIZE(v2m_sysreg_resources),
-};
-
-static struct platform_device v2m_muxfpga_device = {
- .name = "vexpress-muxfpga",
- .id = 0,
- .num_resources = 1,
- .resource = (struct resource []) {
- VEXPRESS_RES_FUNC(0, 7),
- }
-};
-
-static struct platform_device v2m_shutdown_device = {
- .name = "vexpress-shutdown",
- .id = 0,
- .num_resources = 1,
- .resource = (struct resource []) {
- VEXPRESS_RES_FUNC(0, 8),
- }
-};
-
-static struct platform_device v2m_reboot_device = {
- .name = "vexpress-reboot",
- .id = 0,
- .num_resources = 1,
- .resource = (struct resource []) {
- VEXPRESS_RES_FUNC(0, 9),
- }
-};
-
-static struct platform_device v2m_dvimode_device = {
- .name = "vexpress-dvimode",
- .id = 0,
- .num_resources = 1,
- .resource = (struct resource []) {
- VEXPRESS_RES_FUNC(0, 11),
- }
-};
-
-static AMBA_APB_DEVICE(aaci, "mb:aaci", 0, V2M_AACI, IRQ_V2M_AACI, NULL);
-static AMBA_APB_DEVICE(mmci, "mb:mmci", 0, V2M_MMCI, IRQ_V2M_MMCI, &v2m_mmci_data);
-static AMBA_APB_DEVICE(kmi0, "mb:kmi0", 0, V2M_KMI0, IRQ_V2M_KMI0, NULL);
-static AMBA_APB_DEVICE(kmi1, "mb:kmi1", 0, V2M_KMI1, IRQ_V2M_KMI1, NULL);
-static AMBA_APB_DEVICE(uart0, "mb:uart0", 0, V2M_UART0, IRQ_V2M_UART0, NULL);
-static AMBA_APB_DEVICE(uart1, "mb:uart1", 0, V2M_UART1, IRQ_V2M_UART1, NULL);
-static AMBA_APB_DEVICE(uart2, "mb:uart2", 0, V2M_UART2, IRQ_V2M_UART2, NULL);
-static AMBA_APB_DEVICE(uart3, "mb:uart3", 0, V2M_UART3, IRQ_V2M_UART3, NULL);
-static AMBA_APB_DEVICE(wdt, "mb:wdt", 0, V2M_WDT, IRQ_V2M_WDT, NULL);
-static AMBA_APB_DEVICE(rtc, "mb:rtc", 0, V2M_RTC, IRQ_V2M_RTC, NULL);
-
-static struct amba_device *v2m_amba_devs[] __initdata = {
- &aaci_device,
- &mmci_device,
- &kmi0_device,
- &kmi1_device,
- &uart0_device,
- &uart1_device,
- &uart2_device,
- &uart3_device,
- &wdt_device,
- &rtc_device,
-};
-
-static void __init v2m_timer_init(void)
-{
- vexpress_clk_init(ioremap(V2M_SYSCTL, SZ_4K));
- v2m_sp804_init(ioremap(V2M_TIMER01, SZ_4K), IRQ_V2M_TIMER0);
-}
-
-static void __init v2m_init_early(void)
-{
- if (ct_desc->init_early)
- ct_desc->init_early();
- versatile_sched_clock_init(vexpress_get_24mhz_clock_base(), 24000000);
-}
-
-struct ct_desc *ct_desc;
-
-static struct ct_desc *ct_descs[] __initdata = {
-#ifdef CONFIG_ARCH_VEXPRESS_CA9X4
- &ct_ca9x4_desc,
-#endif
-};
-
-static void __init v2m_populate_ct_desc(void)
-{
- int i;
- u32 current_tile_id;
-
- ct_desc = NULL;
- current_tile_id = vexpress_get_procid(VEXPRESS_SITE_MASTER)
- & V2M_CT_ID_MASK;
-
- for (i = 0; i < ARRAY_SIZE(ct_descs) && !ct_desc; ++i)
- if (ct_descs[i]->id == current_tile_id)
- ct_desc = ct_descs[i];
-
- if (!ct_desc)
- panic("vexpress: this kernel does not support core tile ID 0x%08x when booting via ATAGs.\n"
- "You may need a device tree blob or a different kernel to boot on this board.\n",
- current_tile_id);
-}
-
-static void __init v2m_map_io(void)
-{
- iotable_init(v2m_io_desc, ARRAY_SIZE(v2m_io_desc));
- vexpress_sysreg_early_init(ioremap(V2M_SYSREGS, SZ_4K));
- v2m_populate_ct_desc();
- ct_desc->map_io();
-}
-
-static void __init v2m_init_irq(void)
-{
- ct_desc->init_irq();
-}
-
-static void __init v2m_init(void)
-{
- int i;
-
- regulator_register_fixed(0, v2m_eth_supplies,
- ARRAY_SIZE(v2m_eth_supplies));
-
- platform_device_register(&v2m_sysreg_device);
- platform_device_register(&v2m_pcie_i2c_device);
- platform_device_register(&v2m_ddc_i2c_device);
- platform_device_register(&v2m_flash_device);
- platform_device_register(&v2m_cf_device);
- platform_device_register(&v2m_eth_device);
- platform_device_register(&v2m_usb_device);
-
- for (i = 0; i < ARRAY_SIZE(v2m_amba_devs); i++)
- amba_device_register(v2m_amba_devs[i], &iomem_resource);
-
- vexpress_syscfg_device_register(&v2m_muxfpga_device);
- vexpress_syscfg_device_register(&v2m_shutdown_device);
- vexpress_syscfg_device_register(&v2m_reboot_device);
- vexpress_syscfg_device_register(&v2m_dvimode_device);
-
- ct_desc->init_tile();
-}
-
-MACHINE_START(VEXPRESS, "ARM-Versatile Express")
- .atag_offset = 0x100,
- .smp = smp_ops(vexpress_smp_ops),
- .map_io = v2m_map_io,
- .init_early = v2m_init_early,
- .init_irq = v2m_init_irq,
- .init_time = v2m_timer_init,
- .init_machine = v2m_init,
-MACHINE_END
-
-static void __init v2m_dt_init(void)
-{
- of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
-}
-
static const char * const v2m_dt_match[] __initconst = {
"arm,vexpress",
NULL,
.l2c_aux_mask = 0xfe0fffff,
.smp = smp_ops(vexpress_smp_dt_ops),
.smp_init = smp_init_ops(vexpress_smp_init_ops),
- .init_machine = v2m_dt_init,
MACHINE_END
projects / cascardo / linux.git / blobdiff