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2024-09-09 08:52:07 +00:00
commit f9cc65cfda
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13
kernel/arch/arm/mach-cns3xxx/Kconfig Normal file
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menu "CNS3XXX platform type"
depends on ARCH_CNS3XXX
config MACH_CNS3420VB
bool "Support for CNS3420 Validation Board"
select MIGHT_HAVE_PCI
help
Include support for the Cavium Networks CNS3420 MPCore Platform
Baseboard.
This is a platform with an on-board ARM11 MPCore and has support
for USB, USB-OTG, MMC/SD/SDIO, SATA, PCI-E, etc.
endmenu

3
kernel/arch/arm/mach-cns3xxx/Makefile Normal file
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obj-$(CONFIG_ARCH_CNS3XXX) += core.o pm.o devices.o
obj-$(CONFIG_PCI) += pcie.o
obj-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o

3
kernel/arch/arm/mach-cns3xxx/Makefile.boot Normal file
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zreladdr-y += 0x00008000
params_phys-y := 0x00000100
initrd_phys-y := 0x00C00000

208
kernel/arch/arm/mach-cns3xxx/cns3420vb.c Normal file
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/*
* Cavium Networks CNS3420 Validation Board
*
* Copyright 2000 Deep Blue Solutions Ltd
* Copyright 2008 ARM Limited
* Copyright 2008 Cavium Networks
* Scott Shu
* Copyright 2010 MontaVista Software, LLC.
* Anton Vorontsov <avorontsov@mvista.com>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/compiler.h>
#include <linux/io.h>
#include <linux/dma-mapping.h>
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/hardware/gic.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <mach/cns3xxx.h>
#include <mach/irqs.h>
#include "core.h"
#include "devices.h"
/*
* NOR Flash
*/
static struct mtd_partition cns3420_nor_partitions[] = {
{
.name = "uboot",
.size = 0x00040000,
.offset = 0,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "kernel",
.size = 0x004C0000,
.offset = MTDPART_OFS_APPEND,
}, {
.name = "filesystem",
.size = 0x7000000,
.offset = MTDPART_OFS_APPEND,
}, {
.name = "filesystem2",
.size = 0x0AE0000,
.offset = MTDPART_OFS_APPEND,
}, {
.name = "ubootenv",
.size = MTDPART_SIZ_FULL,
.offset = MTDPART_OFS_APPEND,
},
};
static struct physmap_flash_data cns3420_nor_pdata = {
.width = 2,
.parts = cns3420_nor_partitions,
.nr_parts = ARRAY_SIZE(cns3420_nor_partitions),
};
static struct resource cns3420_nor_res = {
.start = CNS3XXX_FLASH_BASE,
.end = CNS3XXX_FLASH_BASE + SZ_128M - 1,
.flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
};
static struct platform_device cns3420_nor_pdev = {
.name = "physmap-flash",
.id = 0,
.resource = &cns3420_nor_res,
.num_resources = 1,
.dev = {
.platform_data = &cns3420_nor_pdata,
},
};
/*
* UART
*/
static void __init cns3420_early_serial_setup(void)
{
#ifdef CONFIG_SERIAL_8250_CONSOLE
static struct uart_port cns3420_serial_port = {
.membase = (void __iomem *)CNS3XXX_UART0_BASE_VIRT,
.mapbase = CNS3XXX_UART0_BASE,
.irq = IRQ_CNS3XXX_UART0,
.iotype = UPIO_MEM,
.flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE,
.regshift = 2,
.uartclk = 24000000,
.line = 0,
.type = PORT_16550A,
.fifosize = 16,
};
early_serial_setup(&cns3420_serial_port);
#endif
}
/*
* USB
*/
static struct resource cns3xxx_usb_ehci_resources[] = {
[0] = {
.start = CNS3XXX_USB_BASE,
.end = CNS3XXX_USB_BASE + SZ_16M - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_CNS3XXX_USB_EHCI,
.flags = IORESOURCE_IRQ,
},
};
static u64 cns3xxx_usb_ehci_dma_mask = DMA_BIT_MASK(32);
static struct platform_device cns3xxx_usb_ehci_device = {
.name = "cns3xxx-ehci",
.num_resources = ARRAY_SIZE(cns3xxx_usb_ehci_resources),
.resource = cns3xxx_usb_ehci_resources,
.dev = {
.dma_mask = &cns3xxx_usb_ehci_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static struct resource cns3xxx_usb_ohci_resources[] = {
[0] = {
.start = CNS3XXX_USB_OHCI_BASE,
.end = CNS3XXX_USB_OHCI_BASE + SZ_16M - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_CNS3XXX_USB_OHCI,
.flags = IORESOURCE_IRQ,
},
};
static u64 cns3xxx_usb_ohci_dma_mask = DMA_BIT_MASK(32);
static struct platform_device cns3xxx_usb_ohci_device = {
.name = "cns3xxx-ohci",
.num_resources = ARRAY_SIZE(cns3xxx_usb_ohci_resources),
.resource = cns3xxx_usb_ohci_resources,
.dev = {
.dma_mask = &cns3xxx_usb_ohci_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
/*
* Initialization
*/
static struct platform_device *cns3420_pdevs[] __initdata = {
&cns3420_nor_pdev,
&cns3xxx_usb_ehci_device,
&cns3xxx_usb_ohci_device,
};
static void __init cns3420_init(void)
{
cns3xxx_l2x0_init();
platform_add_devices(cns3420_pdevs, ARRAY_SIZE(cns3420_pdevs));
cns3xxx_ahci_init();
cns3xxx_sdhci_init();
pm_power_off = cns3xxx_power_off;
}
static struct map_desc cns3420_io_desc[] __initdata = {
{
.virtual = CNS3XXX_UART0_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_UART0_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
},
};
static void __init cns3420_map_io(void)
{
cns3xxx_map_io();
iotable_init(cns3420_io_desc, ARRAY_SIZE(cns3420_io_desc));
cns3420_early_serial_setup();
}
MACHINE_START(CNS3420VB, "Cavium Networks CNS3420 Validation Board")
.atag_offset = 0x100,
.map_io = cns3420_map_io,
.init_irq = cns3xxx_init_irq,
.timer = &cns3xxx_timer,
.handle_irq = gic_handle_irq,
.init_machine = cns3420_init,
.restart = cns3xxx_restart,
MACHINE_END

289
kernel/arch/arm/mach-cns3xxx/core.c Normal file
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/*
* Copyright 1999 - 2003 ARM Limited
* Copyright 2000 Deep Blue Solutions Ltd
* Copyright 2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/clockchips.h>
#include <linux/io.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <asm/mach/irq.h>
#include <asm/hardware/gic.h>
#include <asm/hardware/cache-l2x0.h>
#include <mach/cns3xxx.h>
#include "core.h"
static struct map_desc cns3xxx_io_desc[] __initdata = {
{
.virtual = CNS3XXX_TC11MP_TWD_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_TC11MP_TWD_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_TC11MP_GIC_CPU_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_TC11MP_GIC_DIST_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = CNS3XXX_TIMER1_2_3_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_TIMER1_2_3_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = CNS3XXX_GPIOA_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_GPIOA_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = CNS3XXX_GPIOB_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_GPIOB_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = CNS3XXX_MISC_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_MISC_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = CNS3XXX_PM_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_PM_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
},
};
void __init cns3xxx_map_io(void)
{
iotable_init(cns3xxx_io_desc, ARRAY_SIZE(cns3xxx_io_desc));
}
/* used by entry-macro.S */
void __init cns3xxx_init_irq(void)
{
gic_init(0, 29, IOMEM(CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT),
IOMEM(CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT));
}
void cns3xxx_power_off(void)
{
u32 __iomem *pm_base = IOMEM(CNS3XXX_PM_BASE_VIRT);
u32 clkctrl;
printk(KERN_INFO "powering system down...\n");
clkctrl = readl(pm_base + PM_SYS_CLK_CTRL_OFFSET);
clkctrl &= 0xfffff1ff;
clkctrl |= (0x5 << 9); /* Hibernate */
writel(clkctrl, pm_base + PM_SYS_CLK_CTRL_OFFSET);
}
/*
* Timer
*/
static void __iomem *cns3xxx_tmr1;
static void cns3xxx_timer_set_mode(enum clock_event_mode mode,
struct clock_event_device *clk)
{
unsigned long ctrl = readl(cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
int pclk = cns3xxx_cpu_clock() / 8;
int reload;
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
reload = pclk * 20 / (3 * HZ) * 0x25000;
writel(reload, cns3xxx_tmr1 + TIMER1_AUTO_RELOAD_OFFSET);
ctrl |= (1 << 0) | (1 << 2) | (1 << 9);
break;
case CLOCK_EVT_MODE_ONESHOT:
/* period set, and timer enabled in 'next_event' hook */
ctrl |= (1 << 2) | (1 << 9);
break;
case CLOCK_EVT_MODE_UNUSED:
case CLOCK_EVT_MODE_SHUTDOWN:
default:
ctrl = 0;
}
writel(ctrl, cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
}
static int cns3xxx_timer_set_next_event(unsigned long evt,
struct clock_event_device *unused)
{
unsigned long ctrl = readl(cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
writel(evt, cns3xxx_tmr1 + TIMER1_AUTO_RELOAD_OFFSET);
writel(ctrl | (1 << 0), cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
return 0;
}
static struct clock_event_device cns3xxx_tmr1_clockevent = {
.name = "cns3xxx timer1",
.shift = 8,
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.set_mode = cns3xxx_timer_set_mode,
.set_next_event = cns3xxx_timer_set_next_event,
.rating = 350,
.cpumask = cpu_all_mask,
};
static void __init cns3xxx_clockevents_init(unsigned int timer_irq)
{
cns3xxx_tmr1_clockevent.irq = timer_irq;
cns3xxx_tmr1_clockevent.mult =
div_sc((cns3xxx_cpu_clock() >> 3) * 1000000, NSEC_PER_SEC,
cns3xxx_tmr1_clockevent.shift);
cns3xxx_tmr1_clockevent.max_delta_ns =
clockevent_delta2ns(0xffffffff, &cns3xxx_tmr1_clockevent);
cns3xxx_tmr1_clockevent.min_delta_ns =
clockevent_delta2ns(0xf, &cns3xxx_tmr1_clockevent);
clockevents_register_device(&cns3xxx_tmr1_clockevent);
}
/*
* IRQ handler for the timer
*/
static irqreturn_t cns3xxx_timer_interrupt(int irq, void *dev_id)
{
struct clock_event_device *evt = &cns3xxx_tmr1_clockevent;
u32 __iomem *stat = cns3xxx_tmr1 + TIMER1_2_INTERRUPT_STATUS_OFFSET;
u32 val;
/* Clear the interrupt */
val = readl(stat);
writel(val & ~(1 << 2), stat);
evt->event_handler(evt);
return IRQ_HANDLED;
}
static struct irqaction cns3xxx_timer_irq = {
.name = "timer",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.handler = cns3xxx_timer_interrupt,
};
/*
* Set up the clock source and clock events devices
*/
static void __init __cns3xxx_timer_init(unsigned int timer_irq)
{
u32 val;
u32 irq_mask;
/*
* Initialise to a known state (all timers off)
*/
/* disable timer1 and timer2 */
writel(0, cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
/* stop free running timer3 */
writel(0, cns3xxx_tmr1 + TIMER_FREERUN_CONTROL_OFFSET);
/* timer1 */
writel(0x5C800, cns3xxx_tmr1 + TIMER1_COUNTER_OFFSET);
writel(0x5C800, cns3xxx_tmr1 + TIMER1_AUTO_RELOAD_OFFSET);
writel(0, cns3xxx_tmr1 + TIMER1_MATCH_V1_OFFSET);
writel(0, cns3xxx_tmr1 + TIMER1_MATCH_V2_OFFSET);
/* mask irq, non-mask timer1 overflow */
irq_mask = readl(cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
irq_mask &= ~(1 << 2);
irq_mask |= 0x03;
writel(irq_mask, cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
/* down counter */
val = readl(cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
val |= (1 << 9);
writel(val, cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
/* timer2 */
writel(0, cns3xxx_tmr1 + TIMER2_MATCH_V1_OFFSET);
writel(0, cns3xxx_tmr1 + TIMER2_MATCH_V2_OFFSET);
/* mask irq */
irq_mask = readl(cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
irq_mask |= ((1 << 3) | (1 << 4) | (1 << 5));
writel(irq_mask, cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
/* down counter */
val = readl(cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
val |= (1 << 10);
writel(val, cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
/* Make irqs happen for the system timer */
setup_irq(timer_irq, &cns3xxx_timer_irq);
cns3xxx_clockevents_init(timer_irq);
}
static void __init cns3xxx_timer_init(void)
{
cns3xxx_tmr1 = IOMEM(CNS3XXX_TIMER1_2_3_BASE_VIRT);
__cns3xxx_timer_init(IRQ_CNS3XXX_TIMER0);
}
struct sys_timer cns3xxx_timer = {
.init = cns3xxx_timer_init,
};
#ifdef CONFIG_CACHE_L2X0
void __init cns3xxx_l2x0_init(void)
{
void __iomem *base = ioremap(CNS3XXX_L2C_BASE, SZ_4K);
u32 val;
if (WARN_ON(!base))
return;
/*
* Tag RAM Control register
*
* bit[10:8] - 1 cycle of write accesses latency
* bit[6:4] - 1 cycle of read accesses latency
* bit[3:0] - 1 cycle of setup latency
*
* 1 cycle of latency for setup, read and write accesses
*/
val = readl(base + L2X0_TAG_LATENCY_CTRL);
val &= 0xfffff888;
writel(val, base + L2X0_TAG_LATENCY_CTRL);
/*
* Data RAM Control register
*
* bit[10:8] - 1 cycles of write accesses latency
* bit[6:4] - 1 cycles of read accesses latency
* bit[3:0] - 1 cycle of setup latency
*
* 1 cycle of latency for setup, read and write accesses
*/
val = readl(base + L2X0_DATA_LATENCY_CTRL);
val &= 0xfffff888;
writel(val, base + L2X0_DATA_LATENCY_CTRL);
/* 32 KiB, 8-way, parity disable */
l2x0_init(base, 0x00540000, 0xfe000fff);
}
#endif /* CONFIG_CACHE_L2X0 */

27
kernel/arch/arm/mach-cns3xxx/core.h Normal file
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/*
* Copyright 2000 Deep Blue Solutions Ltd
* Copyright 2004 ARM Limited
* Copyright 2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#ifndef __CNS3XXX_CORE_H
#define __CNS3XXX_CORE_H
extern struct sys_timer cns3xxx_timer;
#ifdef CONFIG_CACHE_L2X0
void __init cns3xxx_l2x0_init(void);
#else
static inline void cns3xxx_l2x0_init(void) {}
#endif /* CONFIG_CACHE_L2X0 */
void __init cns3xxx_map_io(void);
void __init cns3xxx_init_irq(void);
void cns3xxx_power_off(void);
void cns3xxx_restart(char, const char *);
#endif /* __CNS3XXX_CORE_H */

112
kernel/arch/arm/mach-cns3xxx/devices.c Normal file
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/*
* CNS3xxx common devices
*
* Copyright 2008 Cavium Networks
* Scott Shu
* Copyright 2010 MontaVista Software, LLC.
* Anton Vorontsov <avorontsov@mvista.com>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#include <linux/io.h>
#include <linux/init.h>
#include <linux/compiler.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <mach/cns3xxx.h>
#include <mach/irqs.h>
#include <mach/pm.h>
#include "core.h"
#include "devices.h"
/*
* AHCI
*/
static struct resource cns3xxx_ahci_resource[] = {
[0] = {
.start = CNS3XXX_SATA2_BASE,
.end = CNS3XXX_SATA2_BASE + CNS3XXX_SATA2_SIZE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_CNS3XXX_SATA,
.end = IRQ_CNS3XXX_SATA,
.flags = IORESOURCE_IRQ,
},
};
static u64 cns3xxx_ahci_dmamask = DMA_BIT_MASK(32);
static struct platform_device cns3xxx_ahci_pdev = {
.name = "ahci",
.id = 0,
.resource = cns3xxx_ahci_resource,
.num_resources = ARRAY_SIZE(cns3xxx_ahci_resource),
.dev = {
.dma_mask = &cns3xxx_ahci_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
void __init cns3xxx_ahci_init(void)
{
u32 tmp;
tmp = __raw_readl(MISC_SATA_POWER_MODE);
tmp |= 0x1 << 16; /* Disable SATA PHY 0 from SLUMBER Mode */
tmp |= 0x1 << 17; /* Disable SATA PHY 1 from SLUMBER Mode */
__raw_writel(tmp, MISC_SATA_POWER_MODE);
/* Enable SATA PHY */
cns3xxx_pwr_power_up(0x1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_SATA_PHY0);
cns3xxx_pwr_power_up(0x1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_SATA_PHY1);
/* Enable SATA Clock */
cns3xxx_pwr_clk_en(0x1 << PM_CLK_GATE_REG_OFFSET_SATA);
/* De-Asscer SATA Reset */
cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SATA));
platform_device_register(&cns3xxx_ahci_pdev);
}
/*
* SDHCI
*/
static struct resource cns3xxx_sdhci_resources[] = {
[0] = {
.start = CNS3XXX_SDIO_BASE,
.end = CNS3XXX_SDIO_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_CNS3XXX_SDIO,
.end = IRQ_CNS3XXX_SDIO,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device cns3xxx_sdhci_pdev = {
.name = "sdhci-cns3xxx",
.id = 0,
.num_resources = ARRAY_SIZE(cns3xxx_sdhci_resources),
.resource = cns3xxx_sdhci_resources,
};
void __init cns3xxx_sdhci_init(void)
{
u32 __iomem *gpioa = IOMEM(CNS3XXX_MISC_BASE_VIRT + 0x0014);
u32 gpioa_pins = __raw_readl(gpioa);
/* MMC/SD pins share with GPIOA */
gpioa_pins |= 0x1fff0004;
__raw_writel(gpioa_pins, gpioa);
cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SDIO));
cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SDIO));
platform_device_register(&cns3xxx_sdhci_pdev);
}

20
kernel/arch/arm/mach-cns3xxx/devices.h Normal file
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/*
* CNS3xxx common devices
*
* Copyright 2008 Cavium Networks
* Scott Shu
* Copyright 2010 MontaVista Software, LLC.
* Anton Vorontsov <avorontsov@mvista.com>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#ifndef __CNS3XXX_DEVICES_H_
#define __CNS3XXX_DEVICES_H_
void __init cns3xxx_ahci_init(void);
void __init cns3xxx_sdhci_init(void);
#endif /* __CNS3XXX_DEVICES_H_ */

632
kernel/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h Normal file
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/*
* Copyright 2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#ifndef __MACH_BOARD_CNS3XXXH
#define __MACH_BOARD_CNS3XXXH
/*
* Memory map
*/
#define CNS3XXX_FLASH_BASE 0x10000000 /* Flash/SRAM Memory Bank 0 */
#define CNS3XXX_FLASH_SIZE SZ_256M
#define CNS3XXX_DDR2SDRAM_BASE 0x20000000 /* DDR2 SDRAM Memory */
#define CNS3XXX_SPI_FLASH_BASE 0x60000000 /* SPI Serial Flash Memory */
#define CNS3XXX_SWITCH_BASE 0x70000000 /* Switch and HNAT Control */
#define CNS3XXX_SWITCH_BASE_VIRT 0xFFF00000
#define CNS3XXX_PPE_BASE 0x70001000 /* HANT */
#define CNS3XXX_PPE_BASE_VIRT 0xFFF50000
#define CNS3XXX_EMBEDDED_SRAM_BASE 0x70002000 /* HANT Embedded SRAM */
#define CNS3XXX_EMBEDDED_SRAM_BASE_VIRT 0xFFF60000
#define CNS3XXX_SSP_BASE 0x71000000 /* Synchronous Serial Port - SPI/PCM/I2C */
#define CNS3XXX_SSP_BASE_VIRT 0xFFF01000
#define CNS3XXX_DMC_BASE 0x72000000 /* DMC Control (DDR2 SDRAM) */
#define CNS3XXX_DMC_BASE_VIRT 0xFFF02000
#define CNS3XXX_SMC_BASE 0x73000000 /* SMC Control */
#define CNS3XXX_SMC_BASE_VIRT 0xFFF03000
#define SMC_MEMC_STATUS_OFFSET 0x000
#define SMC_MEMIF_CFG_OFFSET 0x004
#define SMC_MEMC_CFG_SET_OFFSET 0x008
#define SMC_MEMC_CFG_CLR_OFFSET 0x00C
#define SMC_DIRECT_CMD_OFFSET 0x010
#define SMC_SET_CYCLES_OFFSET 0x014
#define SMC_SET_OPMODE_OFFSET 0x018
#define SMC_REFRESH_PERIOD_0_OFFSET 0x020
#define SMC_REFRESH_PERIOD_1_OFFSET 0x024
#define SMC_SRAM_CYCLES0_0_OFFSET 0x100
#define SMC_NAND_CYCLES0_0_OFFSET 0x100
#define SMC_OPMODE0_0_OFFSET 0x104
#define SMC_SRAM_CYCLES0_1_OFFSET 0x120
#define SMC_NAND_CYCLES0_1_OFFSET 0x120
#define SMC_OPMODE0_1_OFFSET 0x124
#define SMC_USER_STATUS_OFFSET 0x200
#define SMC_USER_CONFIG_OFFSET 0x204
#define SMC_ECC_STATUS_OFFSET 0x300
#define SMC_ECC_MEMCFG_OFFSET 0x304
#define SMC_ECC_MEMCOMMAND1_OFFSET 0x308
#define SMC_ECC_MEMCOMMAND2_OFFSET 0x30C
#define SMC_ECC_ADDR0_OFFSET 0x310
#define SMC_ECC_ADDR1_OFFSET 0x314
#define SMC_ECC_VALUE0_OFFSET 0x318
#define SMC_ECC_VALUE1_OFFSET 0x31C
#define SMC_ECC_VALUE2_OFFSET 0x320
#define SMC_ECC_VALUE3_OFFSET 0x324
#define SMC_PERIPH_ID_0_OFFSET 0xFE0
#define SMC_PERIPH_ID_1_OFFSET 0xFE4
#define SMC_PERIPH_ID_2_OFFSET 0xFE8
#define SMC_PERIPH_ID_3_OFFSET 0xFEC
#define SMC_PCELL_ID_0_OFFSET 0xFF0
#define SMC_PCELL_ID_1_OFFSET 0xFF4
#define SMC_PCELL_ID_2_OFFSET 0xFF8
#define SMC_PCELL_ID_3_OFFSET 0xFFC
#define CNS3XXX_GPIOA_BASE 0x74000000 /* GPIO port A */
#define CNS3XXX_GPIOA_BASE_VIRT 0xFFF04000
#define CNS3XXX_GPIOB_BASE 0x74800000 /* GPIO port B */
#define CNS3XXX_GPIOB_BASE_VIRT 0xFFF05000
#define CNS3XXX_RTC_BASE 0x75000000 /* Real Time Clock */
#define CNS3XXX_RTC_BASE_VIRT 0xFFF06000
#define RTC_SEC_OFFSET 0x00
#define RTC_MIN_OFFSET 0x04
#define RTC_HOUR_OFFSET 0x08
#define RTC_DAY_OFFSET 0x0C
#define RTC_SEC_ALM_OFFSET 0x10
#define RTC_MIN_ALM_OFFSET 0x14
#define RTC_HOUR_ALM_OFFSET 0x18
#define RTC_REC_OFFSET 0x1C
#define RTC_CTRL_OFFSET 0x20
#define RTC_INTR_STS_OFFSET 0x34
#define CNS3XXX_MISC_BASE 0x76000000 /* Misc Control */
#define CNS3XXX_MISC_BASE_VIRT 0xFFF07000 /* Misc Control */
#define CNS3XXX_PM_BASE 0x77000000 /* Power Management Control */
#define CNS3XXX_PM_BASE_VIRT 0xFFF08000
#define PM_CLK_GATE_OFFSET 0x00
#define PM_SOFT_RST_OFFSET 0x04
#define PM_HS_CFG_OFFSET 0x08
#define PM_CACTIVE_STA_OFFSET 0x0C
#define PM_PWR_STA_OFFSET 0x10
#define PM_SYS_CLK_CTRL_OFFSET 0x14
#define PM_PLL_LCD_I2S_CTRL_OFFSET 0x18
#define PM_PLL_HM_PD_OFFSET 0x1C
#define CNS3XXX_UART0_BASE 0x78000000 /* UART 0 */
#define CNS3XXX_UART0_BASE_VIRT 0xFFF09000
#define CNS3XXX_UART1_BASE 0x78400000 /* UART 1 */
#define CNS3XXX_UART1_BASE_VIRT 0xFFF0A000
#define CNS3XXX_UART2_BASE 0x78800000 /* UART 2 */
#define CNS3XXX_UART2_BASE_VIRT 0xFFF0B000
#define CNS3XXX_DMAC_BASE 0x79000000 /* Generic DMA Control */
#define CNS3XXX_DMAC_BASE_VIRT 0xFFF0D000
#define CNS3XXX_CORESIGHT_BASE 0x7A000000 /* CoreSight */
#define CNS3XXX_CORESIGHT_BASE_VIRT 0xFFF0E000
#define CNS3XXX_CRYPTO_BASE 0x7B000000 /* Crypto */
#define CNS3XXX_CRYPTO_BASE_VIRT 0xFFF0F000
#define CNS3XXX_I2S_BASE 0x7C000000 /* I2S */
#define CNS3XXX_I2S_BASE_VIRT 0xFFF10000
#define CNS3XXX_TIMER1_2_3_BASE 0x7C800000 /* Timer */
#define CNS3XXX_TIMER1_2_3_BASE_VIRT 0xFFF10800
#define TIMER1_COUNTER_OFFSET 0x00
#define TIMER1_AUTO_RELOAD_OFFSET 0x04
#define TIMER1_MATCH_V1_OFFSET 0x08
#define TIMER1_MATCH_V2_OFFSET 0x0C
#define TIMER2_COUNTER_OFFSET 0x10
#define TIMER2_AUTO_RELOAD_OFFSET 0x14
#define TIMER2_MATCH_V1_OFFSET 0x18
#define TIMER2_MATCH_V2_OFFSET 0x1C
#define TIMER1_2_CONTROL_OFFSET 0x30
#define TIMER1_2_INTERRUPT_STATUS_OFFSET 0x34
#define TIMER1_2_INTERRUPT_MASK_OFFSET 0x38
#define TIMER_FREERUN_OFFSET 0x40
#define TIMER_FREERUN_CONTROL_OFFSET 0x44
#define CNS3XXX_HCIE_BASE 0x7D000000 /* HCIE Control */
#define CNS3XXX_HCIE_BASE_VIRT 0xFFF30000
#define CNS3XXX_RAID_BASE 0x7E000000 /* RAID Control */
#define CNS3XXX_RAID_BASE_VIRT 0xFFF12000
#define CNS3XXX_AXI_IXC_BASE 0x7F000000 /* AXI IXC */
#define CNS3XXX_AXI_IXC_BASE_VIRT 0xFFF13000
#define CNS3XXX_CLCD_BASE 0x80000000 /* LCD Control */
#define CNS3XXX_CLCD_BASE_VIRT 0xFFF14000
#define CNS3XXX_USBOTG_BASE 0x81000000 /* USB OTG Control */
#define CNS3XXX_USBOTG_BASE_VIRT 0xFFF15000
#define CNS3XXX_USB_BASE 0x82000000 /* USB Host Control */
#define CNS3XXX_SATA2_BASE 0x83000000 /* SATA */
#define CNS3XXX_SATA2_SIZE SZ_16M
#define CNS3XXX_SATA2_BASE_VIRT 0xFFF17000
#define CNS3XXX_CAMERA_BASE 0x84000000 /* Camera Interface */
#define CNS3XXX_CAMERA_BASE_VIRT 0xFFF18000
#define CNS3XXX_SDIO_BASE 0x85000000 /* SDIO */
#define CNS3XXX_SDIO_BASE_VIRT 0xFFF19000
#define CNS3XXX_I2S_TDM_BASE 0x86000000 /* I2S TDM */
#define CNS3XXX_I2S_TDM_BASE_VIRT 0xFFF1A000
#define CNS3XXX_2DG_BASE 0x87000000 /* 2D Graphic Control */
#define CNS3XXX_2DG_BASE_VIRT 0xFFF1B000
#define CNS3XXX_USB_OHCI_BASE 0x88000000 /* USB OHCI */
#define CNS3XXX_L2C_BASE 0x92000000 /* L2 Cache Control */
#define CNS3XXX_L2C_BASE_VIRT 0xFFF27000
#define CNS3XXX_PCIE0_MEM_BASE 0xA0000000 /* PCIe Port 0 IO/Memory Space */
#define CNS3XXX_PCIE0_MEM_BASE_VIRT 0xE0000000
#define CNS3XXX_PCIE0_HOST_BASE 0xAB000000 /* PCIe Port 0 RC Base */
#define CNS3XXX_PCIE0_HOST_BASE_VIRT 0xE1000000
#define CNS3XXX_PCIE0_IO_BASE 0xAC000000 /* PCIe Port 0 */
#define CNS3XXX_PCIE0_IO_BASE_VIRT 0xE2000000
#define CNS3XXX_PCIE0_CFG0_BASE 0xAD000000 /* PCIe Port 0 CFG Type 0 */
#define CNS3XXX_PCIE0_CFG0_BASE_VIRT 0xE3000000
#define CNS3XXX_PCIE0_CFG1_BASE 0xAE000000 /* PCIe Port 0 CFG Type 1 */
#define CNS3XXX_PCIE0_CFG1_BASE_VIRT 0xE4000000
#define CNS3XXX_PCIE0_MSG_BASE 0xAF000000 /* PCIe Port 0 Message Space */
#define CNS3XXX_PCIE0_MSG_BASE_VIRT 0xE5000000
#define CNS3XXX_PCIE1_MEM_BASE 0xB0000000 /* PCIe Port 1 IO/Memory Space */
#define CNS3XXX_PCIE1_MEM_BASE_VIRT 0xE8000000
#define CNS3XXX_PCIE1_HOST_BASE 0xBB000000 /* PCIe Port 1 RC Base */
#define CNS3XXX_PCIE1_HOST_BASE_VIRT 0xE9000000
#define CNS3XXX_PCIE1_IO_BASE 0xBC000000 /* PCIe Port 1 */
#define CNS3XXX_PCIE1_IO_BASE_VIRT 0xEA000000
#define CNS3XXX_PCIE1_CFG0_BASE 0xBD000000 /* PCIe Port 1 CFG Type 0 */
#define CNS3XXX_PCIE1_CFG0_BASE_VIRT 0xEB000000
#define CNS3XXX_PCIE1_CFG1_BASE 0xBE000000 /* PCIe Port 1 CFG Type 1 */
#define CNS3XXX_PCIE1_CFG1_BASE_VIRT 0xEC000000
#define CNS3XXX_PCIE1_MSG_BASE 0xBF000000 /* PCIe Port 1 Message Space */
#define CNS3XXX_PCIE1_MSG_BASE_VIRT 0xED000000
/*
* Testchip peripheral and fpga gic regions
*/
#define CNS3XXX_TC11MP_SCU_BASE 0x90000000 /* IRQ, Test chip */
#define CNS3XXX_TC11MP_SCU_BASE_VIRT 0xFF000000
#define CNS3XXX_TC11MP_GIC_CPU_BASE 0x90000100 /* Test chip interrupt controller CPU interface */
#define CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT 0xFF000100
#define CNS3XXX_TC11MP_TWD_BASE 0x90000600
#define CNS3XXX_TC11MP_TWD_BASE_VIRT 0xFF000600
#define CNS3XXX_TC11MP_GIC_DIST_BASE 0x90001000 /* Test chip interrupt controller distributor */
#define CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT 0xFF001000
#define CNS3XXX_TC11MP_L220_BASE 0x92002000 /* L220 registers */
#define CNS3XXX_TC11MP_L220_BASE_VIRT 0xFF002000
/*
* Misc block
*/
#define MISC_MEM_MAP(offs) (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + (offs))
#define MISC_MEMORY_REMAP_REG MISC_MEM_MAP(0x00)
#define MISC_CHIP_CONFIG_REG MISC_MEM_MAP(0x04)
#define MISC_DEBUG_PROBE_DATA_REG MISC_MEM_MAP(0x08)
#define MISC_DEBUG_PROBE_SELECTION_REG MISC_MEM_MAP(0x0C)
#define MISC_IO_PIN_FUNC_SELECTION_REG MISC_MEM_MAP(0x10)
#define MISC_GPIOA_PIN_ENABLE_REG MISC_MEM_MAP(0x14)
#define MISC_GPIOB_PIN_ENABLE_REG MISC_MEM_MAP(0x18)
#define MISC_IO_PAD_DRIVE_STRENGTH_CTRL_A MISC_MEM_MAP(0x1C)
#define MISC_IO_PAD_DRIVE_STRENGTH_CTRL_B MISC_MEM_MAP(0x20)
#define MISC_GPIOA_15_0_PULL_CTRL_REG MISC_MEM_MAP(0x24)
#define MISC_GPIOA_16_31_PULL_CTRL_REG MISC_MEM_MAP(0x28)
#define MISC_GPIOB_15_0_PULL_CTRL_REG MISC_MEM_MAP(0x2C)
#define MISC_GPIOB_16_31_PULL_CTRL_REG MISC_MEM_MAP(0x30)
#define MISC_IO_PULL_CTRL_REG MISC_MEM_MAP(0x34)
#define MISC_E_FUSE_31_0_REG MISC_MEM_MAP(0x40)
#define MISC_E_FUSE_63_32_REG MISC_MEM_MAP(0x44)
#define MISC_E_FUSE_95_64_REG MISC_MEM_MAP(0x48)
#define MISC_E_FUSE_127_96_REG MISC_MEM_MAP(0x4C)
#define MISC_SOFTWARE_TEST_1_REG MISC_MEM_MAP(0x50)
#define MISC_SOFTWARE_TEST_2_REG MISC_MEM_MAP(0x54)
#define MISC_SATA_POWER_MODE MISC_MEM_MAP(0x310)
#define MISC_USB_CFG_REG MISC_MEM_MAP(0x800)
#define MISC_USB_STS_REG MISC_MEM_MAP(0x804)
#define MISC_USBPHY00_CFG_REG MISC_MEM_MAP(0x808)
#define MISC_USBPHY01_CFG_REG MISC_MEM_MAP(0x80c)
#define MISC_USBPHY10_CFG_REG MISC_MEM_MAP(0x810)
#define MISC_USBPHY11_CFG_REG MISC_MEM_MAP(0x814)
#define MISC_PCIEPHY_CMCTL(x) MISC_MEM_MAP(0x900 + (x) * 0x004)
#define MISC_PCIEPHY_CTL(x) MISC_MEM_MAP(0x940 + (x) * 0x100)
#define MISC_PCIE_AXIS_AWMISC(x) MISC_MEM_MAP(0x944 + (x) * 0x100)
#define MISC_PCIE_AXIS_ARMISC(x) MISC_MEM_MAP(0x948 + (x) * 0x100)
#define MISC_PCIE_AXIS_RMISC(x) MISC_MEM_MAP(0x94C + (x) * 0x100)
#define MISC_PCIE_AXIS_BMISC(x) MISC_MEM_MAP(0x950 + (x) * 0x100)
#define MISC_PCIE_AXIM_RMISC(x) MISC_MEM_MAP(0x954 + (x) * 0x100)
#define MISC_PCIE_AXIM_BMISC(x) MISC_MEM_MAP(0x958 + (x) * 0x100)
#define MISC_PCIE_CTRL(x) MISC_MEM_MAP(0x95C + (x) * 0x100)
#define MISC_PCIE_PM_DEBUG(x) MISC_MEM_MAP(0x960 + (x) * 0x100)
#define MISC_PCIE_RFC_DEBUG(x) MISC_MEM_MAP(0x964 + (x) * 0x100)
#define MISC_PCIE_CXPL_DEBUGL(x) MISC_MEM_MAP(0x968 + (x) * 0x100)
#define MISC_PCIE_CXPL_DEBUGH(x) MISC_MEM_MAP(0x96C + (x) * 0x100)
#define MISC_PCIE_DIAG_DEBUGH(x) MISC_MEM_MAP(0x970 + (x) * 0x100)
#define MISC_PCIE_W1CLR(x) MISC_MEM_MAP(0x974 + (x) * 0x100)
#define MISC_PCIE_INT_MASK(x) MISC_MEM_MAP(0x978 + (x) * 0x100)
#define MISC_PCIE_INT_STATUS(x) MISC_MEM_MAP(0x97C + (x) * 0x100)
/*
* Power management and clock control
*/
#define PMU_MEM_MAP(offs) (void __iomem *)(CNS3XXX_PM_BASE_VIRT + (offs))
#define PM_CLK_GATE_REG PMU_MEM_MAP(0x000)
#define PM_SOFT_RST_REG PMU_MEM_MAP(0x004)
#define PM_HS_CFG_REG PMU_MEM_MAP(0x008)
#define PM_CACTIVE_STA_REG PMU_MEM_MAP(0x00C)
#define PM_PWR_STA_REG PMU_MEM_MAP(0x010)
#define PM_CLK_CTRL_REG PMU_MEM_MAP(0x014)
#define PM_PLL_LCD_I2S_CTRL_REG PMU_MEM_MAP(0x018)
#define PM_PLL_HM_PD_CTRL_REG PMU_MEM_MAP(0x01C)
#define PM_REGULAT_CTRL_REG PMU_MEM_MAP(0x020)
#define PM_WDT_CTRL_REG PMU_MEM_MAP(0x024)
#define PM_WU_CTRL0_REG PMU_MEM_MAP(0x028)
#define PM_WU_CTRL1_REG PMU_MEM_MAP(0x02C)
#define PM_CSR_REG PMU_MEM_MAP(0x030)
/* PM_CLK_GATE_REG */
#define PM_CLK_GATE_REG_OFFSET_SDIO (25)
#define PM_CLK_GATE_REG_OFFSET_GPU (24)
#define PM_CLK_GATE_REG_OFFSET_CIM (23)
#define PM_CLK_GATE_REG_OFFSET_LCDC (22)
#define PM_CLK_GATE_REG_OFFSET_I2S (21)
#define PM_CLK_GATE_REG_OFFSET_RAID (20)
#define PM_CLK_GATE_REG_OFFSET_SATA (19)
#define PM_CLK_GATE_REG_OFFSET_PCIE(x) (17 + (x))
#define PM_CLK_GATE_REG_OFFSET_USB_HOST (16)
#define PM_CLK_GATE_REG_OFFSET_USB_OTG (15)
#define PM_CLK_GATE_REG_OFFSET_TIMER (14)
#define PM_CLK_GATE_REG_OFFSET_CRYPTO (13)
#define PM_CLK_GATE_REG_OFFSET_HCIE (12)
#define PM_CLK_GATE_REG_OFFSET_SWITCH (11)
#define PM_CLK_GATE_REG_OFFSET_GPIO (10)
#define PM_CLK_GATE_REG_OFFSET_UART3 (9)
#define PM_CLK_GATE_REG_OFFSET_UART2 (8)
#define PM_CLK_GATE_REG_OFFSET_UART1 (7)
#define PM_CLK_GATE_REG_OFFSET_RTC (5)
#define PM_CLK_GATE_REG_OFFSET_GDMA (4)
#define PM_CLK_GATE_REG_OFFSET_SPI_PCM_I2C (3)
#define PM_CLK_GATE_REG_OFFSET_SMC_NFI (1)
#define PM_CLK_GATE_REG_MASK (0x03FFFFBA)
/* PM_SOFT_RST_REG */
#define PM_SOFT_RST_REG_OFFST_WARM_RST_FLAG (31)
#define PM_SOFT_RST_REG_OFFST_CPU1 (29)
#define PM_SOFT_RST_REG_OFFST_CPU0 (28)
#define PM_SOFT_RST_REG_OFFST_SDIO (25)
#define PM_SOFT_RST_REG_OFFST_GPU (24)
#define PM_SOFT_RST_REG_OFFST_CIM (23)
#define PM_SOFT_RST_REG_OFFST_LCDC (22)
#define PM_SOFT_RST_REG_OFFST_I2S (21)
#define PM_SOFT_RST_REG_OFFST_RAID (20)
#define PM_SOFT_RST_REG_OFFST_SATA (19)
#define PM_SOFT_RST_REG_OFFST_PCIE(x) (17 + (x))
#define PM_SOFT_RST_REG_OFFST_USB_HOST (16)
#define PM_SOFT_RST_REG_OFFST_USB_OTG (15)
#define PM_SOFT_RST_REG_OFFST_TIMER (14)
#define PM_SOFT_RST_REG_OFFST_CRYPTO (13)
#define PM_SOFT_RST_REG_OFFST_HCIE (12)
#define PM_SOFT_RST_REG_OFFST_SWITCH (11)
#define PM_SOFT_RST_REG_OFFST_GPIO (10)
#define PM_SOFT_RST_REG_OFFST_UART3 (9)
#define PM_SOFT_RST_REG_OFFST_UART2 (8)
#define PM_SOFT_RST_REG_OFFST_UART1 (7)
#define PM_SOFT_RST_REG_OFFST_RTC (5)
#define PM_SOFT_RST_REG_OFFST_GDMA (4)
#define PM_SOFT_RST_REG_OFFST_SPI_PCM_I2C (3)
#define PM_SOFT_RST_REG_OFFST_DMC (2)
#define PM_SOFT_RST_REG_OFFST_SMC_NFI (1)
#define PM_SOFT_RST_REG_OFFST_GLOBAL (0)
#define PM_SOFT_RST_REG_MASK (0xF3FFFFBF)
/* PMHS_CFG_REG */
#define PM_HS_CFG_REG_OFFSET_SDIO (25)
#define PM_HS_CFG_REG_OFFSET_GPU (24)
#define PM_HS_CFG_REG_OFFSET_CIM (23)
#define PM_HS_CFG_REG_OFFSET_LCDC (22)
#define PM_HS_CFG_REG_OFFSET_I2S (21)
#define PM_HS_CFG_REG_OFFSET_RAID (20)
#define PM_HS_CFG_REG_OFFSET_SATA (19)
#define PM_HS_CFG_REG_OFFSET_PCIE1 (18)
#define PM_HS_CFG_REG_OFFSET_PCIE0 (17)
#define PM_HS_CFG_REG_OFFSET_USB_HOST (16)
#define PM_HS_CFG_REG_OFFSET_USB_OTG (15)
#define PM_HS_CFG_REG_OFFSET_TIMER (14)
#define PM_HS_CFG_REG_OFFSET_CRYPTO (13)
#define PM_HS_CFG_REG_OFFSET_HCIE (12)
#define PM_HS_CFG_REG_OFFSET_SWITCH (11)
#define PM_HS_CFG_REG_OFFSET_GPIO (10)
#define PM_HS_CFG_REG_OFFSET_UART3 (9)
#define PM_HS_CFG_REG_OFFSET_UART2 (8)
#define PM_HS_CFG_REG_OFFSET_UART1 (7)
#define PM_HS_CFG_REG_OFFSET_RTC (5)
#define PM_HS_CFG_REG_OFFSET_GDMA (4)
#define PM_HS_CFG_REG_OFFSET_SPI_PCM_I2S (3)
#define PM_HS_CFG_REG_OFFSET_DMC (2)
#define PM_HS_CFG_REG_OFFSET_SMC_NFI (1)
#define PM_HS_CFG_REG_MASK (0x03FFFFBE)
#define PM_HS_CFG_REG_MASK_SUPPORT (0x01100806)
/* PM_CACTIVE_STA_REG */
#define PM_CACTIVE_STA_REG_OFFSET_SDIO (25)
#define PM_CACTIVE_STA_REG_OFFSET_GPU (24)
#define PM_CACTIVE_STA_REG_OFFSET_CIM (23)
#define PM_CACTIVE_STA_REG_OFFSET_LCDC (22)
#define PM_CACTIVE_STA_REG_OFFSET_I2S (21)
#define PM_CACTIVE_STA_REG_OFFSET_RAID (20)
#define PM_CACTIVE_STA_REG_OFFSET_SATA (19)
#define PM_CACTIVE_STA_REG_OFFSET_PCIE1 (18)
#define PM_CACTIVE_STA_REG_OFFSET_PCIE0 (17)
#define PM_CACTIVE_STA_REG_OFFSET_USB_HOST (16)
#define PM_CACTIVE_STA_REG_OFFSET_USB_OTG (15)
#define PM_CACTIVE_STA_REG_OFFSET_TIMER (14)
#define PM_CACTIVE_STA_REG_OFFSET_CRYPTO (13)
#define PM_CACTIVE_STA_REG_OFFSET_HCIE (12)
#define PM_CACTIVE_STA_REG_OFFSET_SWITCH (11)
#define PM_CACTIVE_STA_REG_OFFSET_GPIO (10)
#define PM_CACTIVE_STA_REG_OFFSET_UART3 (9)
#define PM_CACTIVE_STA_REG_OFFSET_UART2 (8)
#define PM_CACTIVE_STA_REG_OFFSET_UART1 (7)
#define PM_CACTIVE_STA_REG_OFFSET_RTC (5)
#define PM_CACTIVE_STA_REG_OFFSET_GDMA (4)
#define PM_CACTIVE_STA_REG_OFFSET_SPI_PCM_I2S (3)
#define PM_CACTIVE_STA_REG_OFFSET_DMC (2)
#define PM_CACTIVE_STA_REG_OFFSET_SMC_NFI (1)
#define PM_CACTIVE_STA_REG_MASK (0x03FFFFBE)
/* PM_PWR_STA_REG */
#define PM_PWR_STA_REG_REG_OFFSET_SDIO (25)
#define PM_PWR_STA_REG_REG_OFFSET_GPU (24)
#define PM_PWR_STA_REG_REG_OFFSET_CIM (23)
#define PM_PWR_STA_REG_REG_OFFSET_LCDC (22)
#define PM_PWR_STA_REG_REG_OFFSET_I2S (21)
#define PM_PWR_STA_REG_REG_OFFSET_RAID (20)
#define PM_PWR_STA_REG_REG_OFFSET_SATA (19)
#define PM_PWR_STA_REG_REG_OFFSET_PCIE1 (18)
#define PM_PWR_STA_REG_REG_OFFSET_PCIE0 (17)
#define PM_PWR_STA_REG_REG_OFFSET_USB_HOST (16)
#define PM_PWR_STA_REG_REG_OFFSET_USB_OTG (15)
#define PM_PWR_STA_REG_REG_OFFSET_TIMER (14)
#define PM_PWR_STA_REG_REG_OFFSET_CRYPTO (13)
#define PM_PWR_STA_REG_REG_OFFSET_HCIE (12)
#define PM_PWR_STA_REG_REG_OFFSET_SWITCH (11)
#define PM_PWR_STA_REG_REG_OFFSET_GPIO (10)
#define PM_PWR_STA_REG_REG_OFFSET_UART3 (9)
#define PM_PWR_STA_REG_REG_OFFSET_UART2 (8)
#define PM_PWR_STA_REG_REG_OFFSET_UART1 (7)
#define PM_PWR_STA_REG_REG_OFFSET_RTC (5)
#define PM_PWR_STA_REG_REG_OFFSET_GDMA (4)
#define PM_PWR_STA_REG_REG_OFFSET_SPI_PCM_I2S (3)
#define PM_PWR_STA_REG_REG_OFFSET_DMC (2)
#define PM_PWR_STA_REG_REG_OFFSET_SMC_NFI (1)
#define PM_PWR_STA_REG_REG_MASK (0x03FFFFBE)
/* PM_CLK_CTRL_REG */
#define PM_CLK_CTRL_REG_OFFSET_I2S_MCLK (31)
#define PM_CLK_CTRL_REG_OFFSET_DDR2_CHG_EN (30)
#define PM_CLK_CTRL_REG_OFFSET_PCIE_REF1_EN (29)
#define PM_CLK_CTRL_REG_OFFSET_PCIE_REF0_EN (28)
#define PM_CLK_CTRL_REG_OFFSET_TIMER_SIM_MODE (27)
#define PM_CLK_CTRL_REG_OFFSET_I2SCLK_DIV (24)
#define PM_CLK_CTRL_REG_OFFSET_I2SCLK_SEL (22)
#define PM_CLK_CTRL_REG_OFFSET_CLKOUT_DIV (20)
#define PM_CLK_CTRL_REG_OFFSET_CLKOUT_SEL (16)
#define PM_CLK_CTRL_REG_OFFSET_MDC_DIV (14)
#define PM_CLK_CTRL_REG_OFFSET_CRYPTO_CLK_SEL (12)
#define PM_CLK_CTRL_REG_OFFSET_CPU_PWR_MODE (9)
#define PM_CLK_CTRL_REG_OFFSET_PLL_DDR2_SEL (7)
#define PM_CLK_CTRL_REG_OFFSET_DIV_IMMEDIATE (6)
#define PM_CLK_CTRL_REG_OFFSET_CPU_CLK_DIV (4)
#define PM_CLK_CTRL_REG_OFFSET_PLL_CPU_SEL (0)
#define PM_CPU_CLK_DIV(DIV) { \
PM_CLK_CTRL_REG &= ~((0x3) << PM_CLK_CTRL_REG_OFFSET_CPU_CLK_DIV); \
PM_CLK_CTRL_REG |= (((DIV)&0x3) << PM_CLK_CTRL_REG_OFFSET_CPU_CLK_DIV); \
}
#define PM_PLL_CPU_SEL(CPU) { \
PM_CLK_CTRL_REG &= ~((0xF) << PM_CLK_CTRL_REG_OFFSET_PLL_CPU_SEL); \
PM_CLK_CTRL_REG |= (((CPU)&0xF) << PM_CLK_CTRL_REG_OFFSET_PLL_CPU_SEL); \
}
/* PM_PLL_LCD_I2S_CTRL_REG */
#define PM_PLL_LCD_I2S_CTRL_REG_OFFSET_MCLK_SMC_DIV (22)
#define PM_PLL_LCD_I2S_CTRL_REG_OFFSET_R_SEL (17)
#define PM_PLL_LCD_I2S_CTRL_REG_OFFSET_PLL_LCD_P (11)
#define PM_PLL_LCD_I2S_CTRL_REG_OFFSET_PLL_LCD_M (3)
#define PM_PLL_LCD_I2S_CTRL_REG_OFFSET_PLL_LCD_S (0)
/* PM_PLL_HM_PD_CTRL_REG */
#define PM_PLL_HM_PD_CTRL_REG_OFFSET_SATA_PHY1 (11)
#define PM_PLL_HM_PD_CTRL_REG_OFFSET_SATA_PHY0 (10)
#define PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_I2SCD (6)
#define PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_I2S (5)
#define PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_LCD (4)
#define PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB (3)
#define PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_RGMII (2)
#define PM_PLL_HM_PD_CTRL_REG_MASK (0x00000C7C)
/* PM_WDT_CTRL_REG */
#define PM_WDT_CTRL_REG_OFFSET_RESET_CPU_ONLY (0)
/* PM_CSR_REG - Clock Scaling Register*/
#define PM_CSR_REG_OFFSET_CSR_EN (30)
#define PM_CSR_REG_OFFSET_CSR_NUM (0)
#define CNS3XXX_PWR_CLK_EN(BLOCK) (0x1<<PM_CLK_GATE_REG_OFFSET_##BLOCK)
/* Software reset*/
#define CNS3XXX_PWR_SOFTWARE_RST(BLOCK) (0x1<<PM_SOFT_RST_REG_OFFST_##BLOCK)
/*
* CNS3XXX support several power saving mode as following,
* DFS, IDLE, HALT, DOZE, SLEEP, Hibernate
*/
#define CNS3XXX_PWR_CPU_MODE_DFS (0)
#define CNS3XXX_PWR_CPU_MODE_IDLE (1)
#define CNS3XXX_PWR_CPU_MODE_HALT (2)
#define CNS3XXX_PWR_CPU_MODE_DOZE (3)
#define CNS3XXX_PWR_CPU_MODE_SLEEP (4)
#define CNS3XXX_PWR_CPU_MODE_HIBERNATE (5)
#define CNS3XXX_PWR_PLL(BLOCK) (0x1<<PM_PLL_HM_PD_CTRL_REG_OFFSET_##BLOCK)
#define CNS3XXX_PWR_PLL_ALL PM_PLL_HM_PD_CTRL_REG_MASK
/* Change CPU frequency and divider */
#define CNS3XXX_PWR_PLL_CPU_300MHZ (0)
#define CNS3XXX_PWR_PLL_CPU_333MHZ (1)
#define CNS3XXX_PWR_PLL_CPU_366MHZ (2)
#define CNS3XXX_PWR_PLL_CPU_400MHZ (3)
#define CNS3XXX_PWR_PLL_CPU_433MHZ (4)
#define CNS3XXX_PWR_PLL_CPU_466MHZ (5)
#define CNS3XXX_PWR_PLL_CPU_500MHZ (6)
#define CNS3XXX_PWR_PLL_CPU_533MHZ (7)
#define CNS3XXX_PWR_PLL_CPU_566MHZ (8)
#define CNS3XXX_PWR_PLL_CPU_600MHZ (9)
#define CNS3XXX_PWR_PLL_CPU_633MHZ (10)
#define CNS3XXX_PWR_PLL_CPU_666MHZ (11)
#define CNS3XXX_PWR_PLL_CPU_700MHZ (12)
#define CNS3XXX_PWR_CPU_CLK_DIV_BY1 (0)
#define CNS3XXX_PWR_CPU_CLK_DIV_BY2 (1)
#define CNS3XXX_PWR_CPU_CLK_DIV_BY4 (2)
/* Change DDR2 frequency */
#define CNS3XXX_PWR_PLL_DDR2_200MHZ (0)
#define CNS3XXX_PWR_PLL_DDR2_266MHZ (1)
#define CNS3XXX_PWR_PLL_DDR2_333MHZ (2)
#define CNS3XXX_PWR_PLL_DDR2_400MHZ (3)
void cns3xxx_pwr_soft_rst(unsigned int block);
void cns3xxx_pwr_clk_en(unsigned int block);
int cns3xxx_cpu_clock(void);
/*
* ARM11 MPCore interrupt sources (primary GIC)
*/
#define IRQ_CNS3XXX_PMU (IRQ_TC11MP_GIC_START + 0)
#define IRQ_CNS3XXX_SDIO (IRQ_TC11MP_GIC_START + 1)
#define IRQ_CNS3XXX_L2CC (IRQ_TC11MP_GIC_START + 2)
#define IRQ_CNS3XXX_RTC (IRQ_TC11MP_GIC_START + 3)
#define IRQ_CNS3XXX_I2S (IRQ_TC11MP_GIC_START + 4)
#define IRQ_CNS3XXX_PCM (IRQ_TC11MP_GIC_START + 5)
#define IRQ_CNS3XXX_SPI (IRQ_TC11MP_GIC_START + 6)
#define IRQ_CNS3XXX_I2C (IRQ_TC11MP_GIC_START + 7)
#define IRQ_CNS3XXX_CIM (IRQ_TC11MP_GIC_START + 8)
#define IRQ_CNS3XXX_GPU (IRQ_TC11MP_GIC_START + 9)
#define IRQ_CNS3XXX_LCD (IRQ_TC11MP_GIC_START + 10)
#define IRQ_CNS3XXX_GPIOA (IRQ_TC11MP_GIC_START + 11)
#define IRQ_CNS3XXX_GPIOB (IRQ_TC11MP_GIC_START + 12)
#define IRQ_CNS3XXX_UART0 (IRQ_TC11MP_GIC_START + 13)
#define IRQ_CNS3XXX_UART1 (IRQ_TC11MP_GIC_START + 14)
#define IRQ_CNS3XXX_UART2 (IRQ_TC11MP_GIC_START + 15)
#define IRQ_CNS3XXX_ARM11 (IRQ_TC11MP_GIC_START + 16)
#define IRQ_CNS3XXX_SW_STATUS (IRQ_TC11MP_GIC_START + 17)
#define IRQ_CNS3XXX_SW_R0TXC (IRQ_TC11MP_GIC_START + 18)
#define IRQ_CNS3XXX_SW_R0RXC (IRQ_TC11MP_GIC_START + 19)
#define IRQ_CNS3XXX_SW_R0QE (IRQ_TC11MP_GIC_START + 20)
#define IRQ_CNS3XXX_SW_R0QF (IRQ_TC11MP_GIC_START + 21)
#define IRQ_CNS3XXX_SW_R1TXC (IRQ_TC11MP_GIC_START + 22)
#define IRQ_CNS3XXX_SW_R1RXC (IRQ_TC11MP_GIC_START + 23)
#define IRQ_CNS3XXX_SW_R1QE (IRQ_TC11MP_GIC_START + 24)
#define IRQ_CNS3XXX_SW_R1QF (IRQ_TC11MP_GIC_START + 25)
#define IRQ_CNS3XXX_SW_PPE (IRQ_TC11MP_GIC_START + 26)
#define IRQ_CNS3XXX_CRYPTO (IRQ_TC11MP_GIC_START + 27)
#define IRQ_CNS3XXX_HCIE (IRQ_TC11MP_GIC_START + 28)
#define IRQ_CNS3XXX_PCIE0_DEVICE (IRQ_TC11MP_GIC_START + 29)
#define IRQ_CNS3XXX_PCIE1_DEVICE (IRQ_TC11MP_GIC_START + 30)
#define IRQ_CNS3XXX_USB_OTG (IRQ_TC11MP_GIC_START + 31)
#define IRQ_CNS3XXX_USB_EHCI (IRQ_TC11MP_GIC_START + 32)
#define IRQ_CNS3XXX_SATA (IRQ_TC11MP_GIC_START + 33)
#define IRQ_CNS3XXX_RAID (IRQ_TC11MP_GIC_START + 34)
#define IRQ_CNS3XXX_SMC (IRQ_TC11MP_GIC_START + 35)
#define IRQ_CNS3XXX_DMAC_ABORT (IRQ_TC11MP_GIC_START + 36)
#define IRQ_CNS3XXX_DMAC0 (IRQ_TC11MP_GIC_START + 37)
#define IRQ_CNS3XXX_DMAC1 (IRQ_TC11MP_GIC_START + 38)
#define IRQ_CNS3XXX_DMAC2 (IRQ_TC11MP_GIC_START + 39)
#define IRQ_CNS3XXX_DMAC3 (IRQ_TC11MP_GIC_START + 40)
#define IRQ_CNS3XXX_DMAC4 (IRQ_TC11MP_GIC_START + 41)
#define IRQ_CNS3XXX_DMAC5 (IRQ_TC11MP_GIC_START + 42)
#define IRQ_CNS3XXX_DMAC6 (IRQ_TC11MP_GIC_START + 43)
#define IRQ_CNS3XXX_DMAC7 (IRQ_TC11MP_GIC_START + 44)
#define IRQ_CNS3XXX_DMAC8 (IRQ_TC11MP_GIC_START + 45)
#define IRQ_CNS3XXX_DMAC9 (IRQ_TC11MP_GIC_START + 46)
#define IRQ_CNS3XXX_DMAC10 (IRQ_TC11MP_GIC_START + 47)
#define IRQ_CNS3XXX_DMAC11 (IRQ_TC11MP_GIC_START + 48)
#define IRQ_CNS3XXX_DMAC12 (IRQ_TC11MP_GIC_START + 49)
#define IRQ_CNS3XXX_DMAC13 (IRQ_TC11MP_GIC_START + 50)
#define IRQ_CNS3XXX_DMAC14 (IRQ_TC11MP_GIC_START + 51)
#define IRQ_CNS3XXX_DMAC15 (IRQ_TC11MP_GIC_START + 52)
#define IRQ_CNS3XXX_DMAC16 (IRQ_TC11MP_GIC_START + 53)
#define IRQ_CNS3XXX_DMAC17 (IRQ_TC11MP_GIC_START + 54)
#define IRQ_CNS3XXX_PCIE0_RC (IRQ_TC11MP_GIC_START + 55)
#define IRQ_CNS3XXX_PCIE1_RC (IRQ_TC11MP_GIC_START + 56)
#define IRQ_CNS3XXX_TIMER0 (IRQ_TC11MP_GIC_START + 57)
#define IRQ_CNS3XXX_TIMER1 (IRQ_TC11MP_GIC_START + 58)
#define IRQ_CNS3XXX_USB_OHCI (IRQ_TC11MP_GIC_START + 59)
#define IRQ_CNS3XXX_TIMER2 (IRQ_TC11MP_GIC_START + 60)
#define IRQ_CNS3XXX_EXTERNAL_PIN0 (IRQ_TC11MP_GIC_START + 61)
#define IRQ_CNS3XXX_EXTERNAL_PIN1 (IRQ_TC11MP_GIC_START + 62)
#define IRQ_CNS3XXX_EXTERNAL_PIN2 (IRQ_TC11MP_GIC_START + 63)
#define NR_IRQS_CNS3XXX (IRQ_TC11MP_GIC_START + 64)
#if !defined(NR_IRQS) || (NR_IRQS < NR_IRQS_CNS3XXX)
#undef NR_IRQS
#define NR_IRQS NR_IRQS_CNS3XXX
#endif
#endif /* __MACH_BOARD_CNS3XXX_H */

19
kernel/arch/arm/mach-cns3xxx/include/mach/debug-macro.S Normal file
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/*
* Debugging macro include header
*
* Copyright 1994-1999 Russell King
* Copyright 2008 Cavium Networks
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
.macro addruart,rp,rv,tmp
mov \rp, #0x00009000
orr \rv, \rp, #0xf0000000 @ virtual base
orr \rp, \rp, #0x10000000
.endm
#include <asm/hardware/debug-pl01x.S>

24
kernel/arch/arm/mach-cns3xxx/include/mach/irqs.h Normal file
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/*
* Copyright 2000 Deep Blue Solutions Ltd.
* Copyright 2003 ARM Limited
* Copyright 2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#ifndef __MACH_IRQS_H
#define __MACH_IRQS_H
#define IRQ_LOCALTIMER 29
#define IRQ_LOCALWDOG 30
#define IRQ_TC11MP_GIC_START 32
#include <mach/cns3xxx.h>
#ifndef NR_IRQS
#error "NR_IRQS not defined by the board-specific files"
#endif
#endif

23
kernel/arch/arm/mach-cns3xxx/include/mach/pm.h Normal file
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/*
* Copyright 2000 Deep Blue Solutions Ltd
* Copyright 2004 ARM Limited
* Copyright 2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#ifndef __CNS3XXX_PM_H
#define __CNS3XXX_PM_H
#include <linux/atomic.h>
void cns3xxx_pwr_clk_en(unsigned int block);
void cns3xxx_pwr_clk_dis(unsigned int block);
void cns3xxx_pwr_power_up(unsigned int block);
void cns3xxx_pwr_power_down(unsigned int block);
extern atomic_t usb_pwr_ref;
#endif /* __CNS3XXX_PM_H */

12
kernel/arch/arm/mach-cns3xxx/include/mach/timex.h Normal file
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/*
* Cavium Networks architecture timex specifications
*
* Copyright 2003 ARM Limited
* Copyright 2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#define CLOCK_TICK_RATE (50000000 / 16)

54
kernel/arch/arm/mach-cns3xxx/include/mach/uncompress.h Normal file
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/*
* Copyright 2003 ARM Limited
* Copyright 2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#include <asm/mach-types.h>
#include <mach/cns3xxx.h>
#define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00))
#define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c))
#define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30))
#define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18))
/*
* Return the UART base address
*/
static inline unsigned long get_uart_base(void)
{
if (machine_is_cns3420vb())
return CNS3XXX_UART0_BASE;
else
return 0;
}
/*
* This does not append a newline
*/
static inline void putc(int c)
{
unsigned long base = get_uart_base();
while (AMBA_UART_FR(base) & (1 << 5))
barrier();
AMBA_UART_DR(base) = c;
}
static inline void flush(void)
{
unsigned long base = get_uart_base();
while (AMBA_UART_FR(base) & (1 << 3))
barrier();
}
/*
* nothing to do
*/
#define arch_decomp_setup()
#define arch_decomp_wdog()

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/*
* PCI-E support for CNS3xxx
*
* Copyright 2008 Cavium Networks
* Richard Liu <richard.liu@caviumnetworks.com>
* Copyright 2010 MontaVista Software, LLC.
* Anton Vorontsov <avorontsov@mvista.com>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/bug.h>
#include <linux/pci.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include <linux/ptrace.h>
#include <asm/mach/map.h>
#include <mach/cns3xxx.h>
#include "core.h"
enum cns3xxx_access_type {
CNS3XXX_HOST_TYPE = 0,
CNS3XXX_CFG0_TYPE,
CNS3XXX_CFG1_TYPE,
CNS3XXX_NUM_ACCESS_TYPES,
};
struct cns3xxx_pcie {
struct map_desc cfg_bases[CNS3XXX_NUM_ACCESS_TYPES];
unsigned int irqs[2];
struct resource res_io;
struct resource res_mem;
struct hw_pci hw_pci;
bool linked;
};
static struct cns3xxx_pcie cns3xxx_pcie[]; /* forward decl. */
static struct cns3xxx_pcie *sysdata_to_cnspci(void *sysdata)
{
struct pci_sys_data *root = sysdata;
return &cns3xxx_pcie[root->domain];
}
static struct cns3xxx_pcie *pdev_to_cnspci(const struct pci_dev *dev)
{
return sysdata_to_cnspci(dev->sysdata);
}
static struct cns3xxx_pcie *pbus_to_cnspci(struct pci_bus *bus)
{
return sysdata_to_cnspci(bus->sysdata);
}
static void __iomem *cns3xxx_pci_cfg_base(struct pci_bus *bus,
unsigned int devfn, int where)
{
struct cns3xxx_pcie *cnspci = pbus_to_cnspci(bus);
int busno = bus->number;
int slot = PCI_SLOT(devfn);
int offset;
enum cns3xxx_access_type type;
void __iomem *base;
/* If there is no link, just show the CNS PCI bridge. */
if (!cnspci->linked && (busno > 0 || slot > 0))
return NULL;
/*
* The CNS PCI bridge doesn't fit into the PCI hierarchy, though
* we still want to access it. For this to work, we must place
* the first device on the same bus as the CNS PCI bridge.
*/
if (busno == 0) {
if (slot > 1)
return NULL;
type = slot;
} else {
type = CNS3XXX_CFG1_TYPE;
}
base = (void __iomem *)cnspci->cfg_bases[type].virtual;
offset = ((busno & 0xf) << 20) | (devfn << 12) | (where & 0xffc);
return base + offset;
}
static int cns3xxx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 *val)
{
u32 v;
void __iomem *base;
u32 mask = (0x1ull << (size * 8)) - 1;
int shift = (where % 4) * 8;
base = cns3xxx_pci_cfg_base(bus, devfn, where);
if (!base) {
*val = 0xffffffff;
return PCIBIOS_SUCCESSFUL;
}
v = __raw_readl(base);
if (bus->number == 0 && devfn == 0 &&
(where & 0xffc) == PCI_CLASS_REVISION) {
/*
* RC's class is 0xb, but Linux PCI driver needs 0x604
* for a PCIe bridge. So we must fixup the class code
* to 0x604 here.
*/
v &= 0xff;
v |= 0x604 << 16;
}
*val = (v >> shift) & mask;
return PCIBIOS_SUCCESSFUL;
}
static int cns3xxx_pci_write_config(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 val)
{
u32 v;
void __iomem *base;
u32 mask = (0x1ull << (size * 8)) - 1;
int shift = (where % 4) * 8;
base = cns3xxx_pci_cfg_base(bus, devfn, where);
if (!base)
return PCIBIOS_SUCCESSFUL;
v = __raw_readl(base);
v &= ~(mask << shift);
v |= (val & mask) << shift;
__raw_writel(v, base);
return PCIBIOS_SUCCESSFUL;
}
static int cns3xxx_pci_setup(int nr, struct pci_sys_data *sys)
{
struct cns3xxx_pcie *cnspci = sysdata_to_cnspci(sys);
struct resource *res_io = &cnspci->res_io;
struct resource *res_mem = &cnspci->res_mem;
BUG_ON(request_resource(&iomem_resource, res_io) ||
request_resource(&iomem_resource, res_mem));
pci_add_resource_offset(&sys->resources, res_io, sys->io_offset);
pci_add_resource_offset(&sys->resources, res_mem, sys->mem_offset);
return 1;
}
static struct pci_ops cns3xxx_pcie_ops = {
.read = cns3xxx_pci_read_config,
.write = cns3xxx_pci_write_config,
};
static struct pci_bus *cns3xxx_pci_scan_bus(int nr, struct pci_sys_data *sys)
{
return pci_scan_root_bus(NULL, sys->busnr, &cns3xxx_pcie_ops, sys,
&sys->resources);
}
static int cns3xxx_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
struct cns3xxx_pcie *cnspci = pdev_to_cnspci(dev);
int irq = cnspci->irqs[slot];
pr_info("PCIe map irq: %04d:%02x:%02x.%02x slot %d, pin %d, irq: %d\n",
pci_domain_nr(dev->bus), dev->bus->number, PCI_SLOT(dev->devfn),
PCI_FUNC(dev->devfn), slot, pin, irq);
return irq;
}
static struct cns3xxx_pcie cns3xxx_pcie[] = {
[0] = {
.cfg_bases = {
[CNS3XXX_HOST_TYPE] = {
.virtual = CNS3XXX_PCIE0_HOST_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_PCIE0_HOST_BASE),
.length = SZ_16M,
.type = MT_DEVICE,
},
[CNS3XXX_CFG0_TYPE] = {
.virtual = CNS3XXX_PCIE0_CFG0_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_PCIE0_CFG0_BASE),
.length = SZ_16M,
.type = MT_DEVICE,
},
[CNS3XXX_CFG1_TYPE] = {
.virtual = CNS3XXX_PCIE0_CFG1_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_PCIE0_CFG1_BASE),
.length = SZ_16M,
.type = MT_DEVICE,
},
},
.res_io = {
.name = "PCIe0 I/O space",
.start = CNS3XXX_PCIE0_IO_BASE,
.end = CNS3XXX_PCIE0_IO_BASE + SZ_16M - 1,
.flags = IORESOURCE_IO,
},
.res_mem = {
.name = "PCIe0 non-prefetchable",
.start = CNS3XXX_PCIE0_MEM_BASE,
.end = CNS3XXX_PCIE0_MEM_BASE + SZ_16M - 1,
.flags = IORESOURCE_MEM,
},
.irqs = { IRQ_CNS3XXX_PCIE0_RC, IRQ_CNS3XXX_PCIE0_DEVICE, },
.hw_pci = {
.domain = 0,
.swizzle = pci_std_swizzle,
.nr_controllers = 1,
.setup = cns3xxx_pci_setup,
.scan = cns3xxx_pci_scan_bus,
.map_irq = cns3xxx_pcie_map_irq,
},
},
[1] = {
.cfg_bases = {
[CNS3XXX_HOST_TYPE] = {
.virtual = CNS3XXX_PCIE1_HOST_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_PCIE1_HOST_BASE),
.length = SZ_16M,
.type = MT_DEVICE,
},
[CNS3XXX_CFG0_TYPE] = {
.virtual = CNS3XXX_PCIE1_CFG0_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_PCIE1_CFG0_BASE),
.length = SZ_16M,
.type = MT_DEVICE,
},
[CNS3XXX_CFG1_TYPE] = {
.virtual = CNS3XXX_PCIE1_CFG1_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_PCIE1_CFG1_BASE),
.length = SZ_16M,
.type = MT_DEVICE,
},
},
.res_io = {
.name = "PCIe1 I/O space",
.start = CNS3XXX_PCIE1_IO_BASE,
.end = CNS3XXX_PCIE1_IO_BASE + SZ_16M - 1,
.flags = IORESOURCE_IO,
},
.res_mem = {
.name = "PCIe1 non-prefetchable",
.start = CNS3XXX_PCIE1_MEM_BASE,
.end = CNS3XXX_PCIE1_MEM_BASE + SZ_16M - 1,
.flags = IORESOURCE_MEM,
},
.irqs = { IRQ_CNS3XXX_PCIE1_RC, IRQ_CNS3XXX_PCIE1_DEVICE, },
.hw_pci = {
.domain = 1,
.swizzle = pci_std_swizzle,
.nr_controllers = 1,
.setup = cns3xxx_pci_setup,
.scan = cns3xxx_pci_scan_bus,
.map_irq = cns3xxx_pcie_map_irq,
},
},
};
static void __init cns3xxx_pcie_check_link(struct cns3xxx_pcie *cnspci)
{
int port = cnspci->hw_pci.domain;
u32 reg;
unsigned long time;
reg = __raw_readl(MISC_PCIE_CTRL(port));
/*
* Enable Application Request to 1, it will exit L1 automatically,
* but when chip back, it will use another clock, still can use 0x1.
*/
reg |= 0x3;
__raw_writel(reg, MISC_PCIE_CTRL(port));
pr_info("PCIe: Port[%d] Enable PCIe LTSSM\n", port);
pr_info("PCIe: Port[%d] Check data link layer...", port);
time = jiffies;
while (1) {
reg = __raw_readl(MISC_PCIE_PM_DEBUG(port));
if (reg & 0x1) {
pr_info("Link up.\n");
cnspci->linked = 1;
break;
} else if (time_after(jiffies, time + 50)) {
pr_info("Device not found.\n");
break;
}
}
}
static void __init cns3xxx_pcie_hw_init(struct cns3xxx_pcie *cnspci)
{
int port = cnspci->hw_pci.domain;
struct pci_sys_data sd = {
.domain = port,
};
struct pci_bus bus = {
.number = 0,
.ops = &cns3xxx_pcie_ops,
.sysdata = &sd,
};
u32 io_base = cnspci->res_io.start >> 16;
u32 mem_base = cnspci->res_mem.start >> 16;
u32 host_base = cnspci->cfg_bases[CNS3XXX_HOST_TYPE].pfn;
u32 cfg0_base = cnspci->cfg_bases[CNS3XXX_CFG0_TYPE].pfn;
u32 devfn = 0;
u8 tmp8;
u16 pos;
u16 dc;
host_base = (__pfn_to_phys(host_base) - 1) >> 16;
cfg0_base = (__pfn_to_phys(cfg0_base) - 1) >> 16;
pci_bus_write_config_byte(&bus, devfn, PCI_PRIMARY_BUS, 0);
pci_bus_write_config_byte(&bus, devfn, PCI_SECONDARY_BUS, 1);
pci_bus_write_config_byte(&bus, devfn, PCI_SUBORDINATE_BUS, 1);
pci_bus_read_config_byte(&bus, devfn, PCI_PRIMARY_BUS, &tmp8);
pci_bus_read_config_byte(&bus, devfn, PCI_SECONDARY_BUS, &tmp8);
pci_bus_read_config_byte(&bus, devfn, PCI_SUBORDINATE_BUS, &tmp8);
pci_bus_write_config_word(&bus, devfn, PCI_MEMORY_BASE, mem_base);
pci_bus_write_config_word(&bus, devfn, PCI_MEMORY_LIMIT, host_base);
pci_bus_write_config_word(&bus, devfn, PCI_IO_BASE_UPPER16, io_base);
pci_bus_write_config_word(&bus, devfn, PCI_IO_LIMIT_UPPER16, cfg0_base);
if (!cnspci->linked)
return;
/* Set Device Max_Read_Request_Size to 128 byte */
devfn = PCI_DEVFN(1, 0);
pos = pci_bus_find_capability(&bus, devfn, PCI_CAP_ID_EXP);
pci_bus_read_config_word(&bus, devfn, pos + PCI_EXP_DEVCTL, &dc);
dc &= ~(0x3 << 12); /* Clear Device Control Register [14:12] */
pci_bus_write_config_word(&bus, devfn, pos + PCI_EXP_DEVCTL, dc);
pci_bus_read_config_word(&bus, devfn, pos + PCI_EXP_DEVCTL, &dc);
if (!(dc & (0x3 << 12)))
pr_info("PCIe: Set Device Max_Read_Request_Size to 128 byte\n");
/* Disable PCIe0 Interrupt Mask INTA to INTD */
__raw_writel(~0x3FFF, MISC_PCIE_INT_MASK(port));
}
static int cns3xxx_pcie_abort_handler(unsigned long addr, unsigned int fsr,
struct pt_regs *regs)
{
if (fsr & (1 << 10))
regs->ARM_pc += 4;
return 0;
}
static int __init cns3xxx_pcie_init(void)
{
int i;
pcibios_min_io = 0;
pcibios_min_mem = 0;
hook_fault_code(16 + 6, cns3xxx_pcie_abort_handler, SIGBUS, 0,
"imprecise external abort");
for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {
iotable_init(cns3xxx_pcie[i].cfg_bases,
ARRAY_SIZE(cns3xxx_pcie[i].cfg_bases));
cns3xxx_pwr_clk_en(0x1 << PM_CLK_GATE_REG_OFFSET_PCIE(i));
cns3xxx_pwr_soft_rst(0x1 << PM_SOFT_RST_REG_OFFST_PCIE(i));
cns3xxx_pcie_check_link(&cns3xxx_pcie[i]);
cns3xxx_pcie_hw_init(&cns3xxx_pcie[i]);
pci_common_init(&cns3xxx_pcie[i].hw_pci);
}
pci_assign_unassigned_resources();
return 0;
}
device_initcall(cns3xxx_pcie_init);

124
kernel/arch/arm/mach-cns3xxx/pm.c Normal file
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@@ -0,0 +1,124 @@
/*
* Copyright 2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/atomic.h>
#include <mach/cns3xxx.h>
#include <mach/pm.h>
#include "core.h"
void cns3xxx_pwr_clk_en(unsigned int block)
{
u32 reg = __raw_readl(PM_CLK_GATE_REG);
reg |= (block & PM_CLK_GATE_REG_MASK);
__raw_writel(reg, PM_CLK_GATE_REG);
}
EXPORT_SYMBOL(cns3xxx_pwr_clk_en);
void cns3xxx_pwr_clk_dis(unsigned int block)
{
u32 reg = __raw_readl(PM_CLK_GATE_REG);
reg &= ~(block & PM_CLK_GATE_REG_MASK);
__raw_writel(reg, PM_CLK_GATE_REG);
}
EXPORT_SYMBOL(cns3xxx_pwr_clk_dis);
void cns3xxx_pwr_power_up(unsigned int block)
{
u32 reg = __raw_readl(PM_PLL_HM_PD_CTRL_REG);
reg &= ~(block & CNS3XXX_PWR_PLL_ALL);
__raw_writel(reg, PM_PLL_HM_PD_CTRL_REG);
/* Wait for 300us for the PLL output clock locked. */
udelay(300);
};
EXPORT_SYMBOL(cns3xxx_pwr_power_up);
void cns3xxx_pwr_power_down(unsigned int block)
{
u32 reg = __raw_readl(PM_PLL_HM_PD_CTRL_REG);
/* write '1' to power down */
reg |= (block & CNS3XXX_PWR_PLL_ALL);
__raw_writel(reg, PM_PLL_HM_PD_CTRL_REG);
};
EXPORT_SYMBOL(cns3xxx_pwr_power_down);
static void cns3xxx_pwr_soft_rst_force(unsigned int block)
{
u32 reg = __raw_readl(PM_SOFT_RST_REG);
/*
* bit 0, 28, 29 => program low to reset,
* the other else program low and then high
*/
if (block & 0x30000001) {
reg &= ~(block & PM_SOFT_RST_REG_MASK);
} else {
reg &= ~(block & PM_SOFT_RST_REG_MASK);
__raw_writel(reg, PM_SOFT_RST_REG);
reg |= (block & PM_SOFT_RST_REG_MASK);
}
__raw_writel(reg, PM_SOFT_RST_REG);
}
EXPORT_SYMBOL(cns3xxx_pwr_soft_rst_force);
void cns3xxx_pwr_soft_rst(unsigned int block)
{
static unsigned int soft_reset;
if (soft_reset & block) {
/* SPI/I2C/GPIO use the same block, reset once. */
return;
} else {
soft_reset |= block;
}
cns3xxx_pwr_soft_rst_force(block);
}
EXPORT_SYMBOL(cns3xxx_pwr_soft_rst);
void cns3xxx_restart(char mode, const char *cmd)
{
/*
* To reset, we hit the on-board reset register
* in the system FPGA.
*/
cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(GLOBAL));
}
/*
* cns3xxx_cpu_clock - return CPU/L2 clock
* aclk: cpu clock/2
* hclk: cpu clock/4
* pclk: cpu clock/8
*/
int cns3xxx_cpu_clock(void)
{
u32 reg = __raw_readl(PM_CLK_CTRL_REG);
int cpu;
int cpu_sel;
int div_sel;
cpu_sel = (reg >> PM_CLK_CTRL_REG_OFFSET_PLL_CPU_SEL) & 0xf;
div_sel = (reg >> PM_CLK_CTRL_REG_OFFSET_CPU_CLK_DIV) & 0x3;
cpu = (300 + ((cpu_sel / 3) * 100) + ((cpu_sel % 3) * 33)) >> div_sel;
return cpu;
}
EXPORT_SYMBOL(cns3xxx_cpu_clock);
atomic_t usb_pwr_ref = ATOMIC_INIT(0);
EXPORT_SYMBOL(usb_pwr_ref);