ARM: cns3xxx: Add basic support for Cavium Networks CNS3xxx processors
authorAnton Vorontsov <avorontsov@mvista.com>
Thu, 25 Mar 2010 14:12:41 +0000 (17:12 +0300)
committerAnton Vorontsov <avorontsov@mvista.com>
Sun, 2 May 2010 17:55:46 +0000 (21:55 +0400)
This patch adds very basic support for ECONA CNS3xxx ARM11 MPcore
(ARMv6) dual-core processors.

Note that SMP is not yet supported, as well as many peripheral
devices. Support for these features will be added later.

Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
20 files changed:
MAINTAINERS
arch/arm/Kconfig
arch/arm/Makefile
arch/arm/mach-cns3xxx/Kconfig [new file with mode: 0644]
arch/arm/mach-cns3xxx/Makefile [new file with mode: 0644]
arch/arm/mach-cns3xxx/Makefile.boot [new file with mode: 0644]
arch/arm/mach-cns3xxx/core.c [new file with mode: 0644]
arch/arm/mach-cns3xxx/core.h [new file with mode: 0644]
arch/arm/mach-cns3xxx/include/mach/cns3xxx.h [new file with mode: 0644]
arch/arm/mach-cns3xxx/include/mach/debug-macro.S [new file with mode: 0644]
arch/arm/mach-cns3xxx/include/mach/entry-macro.S [new file with mode: 0644]
arch/arm/mach-cns3xxx/include/mach/hardware.h [new file with mode: 0644]
arch/arm/mach-cns3xxx/include/mach/io.h [new file with mode: 0644]
arch/arm/mach-cns3xxx/include/mach/irqs.h [new file with mode: 0644]
arch/arm/mach-cns3xxx/include/mach/memory.h [new file with mode: 0644]
arch/arm/mach-cns3xxx/include/mach/system.h [new file with mode: 0644]
arch/arm/mach-cns3xxx/include/mach/timex.h [new file with mode: 0644]
arch/arm/mach-cns3xxx/include/mach/uncompress.h [new file with mode: 0644]
arch/arm/mach-cns3xxx/include/mach/vmalloc.h [new file with mode: 0644]
arch/arm/mach-cns3xxx/pm.c [new file with mode: 0644]

index d5b0b1b..27299d1 100644 (file)
@@ -586,6 +586,12 @@ F: drivers/mtd/nand/bcm_umi_bch.c
 F:     drivers/mtd/nand/bcm_umi_hamming.c
 F:     drivers/mtd/nand/nand_bcm_umi.h
 
+ARM/CAVIUM NETWORKS CNS3XXX MACHINE SUPPORT
+M:     Anton Vorontsov <avorontsov@mvista.com>
+S:     Maintained
+F:     arch/arm/mach-cns3xxx/
+T:     git git://git.infradead.org/users/cbou/linux-cns3xxx.git
+
 ARM/CIRRUS LOGIC EP93XX ARM ARCHITECTURE
 M:     Hartley Sweeten <hsweeten@visionengravers.com>
 M:     Ryan Mallon <ryan@bluewatersys.com>
index 92622eb..572e6cc 100644 (file)
@@ -297,6 +297,15 @@ config ARCH_CLPS711X
        help
          Support for Cirrus Logic 711x/721x based boards.
 
+config ARCH_CNS3XXX
+       bool "Cavium Networks CNS3XXX family"
+       select CPU_V6
+       select GENERIC_TIME
+       select GENERIC_CLOCKEVENTS
+       select ARM_GIC
+       help
+         Support for Cavium Networks CNS3XXX platform.
+
 config ARCH_GEMINI
        bool "Cortina Systems Gemini"
        select CPU_FA526
@@ -817,6 +826,8 @@ source "arch/arm/mach-bcmring/Kconfig"
 
 source "arch/arm/mach-clps711x/Kconfig"
 
+source "arch/arm/mach-cns3xxx/Kconfig"
+
 source "arch/arm/mach-davinci/Kconfig"
 
 source "arch/arm/mach-dove/Kconfig"
index ed820e7..3e312ec 100644 (file)
@@ -121,6 +121,7 @@ machine-$(CONFIG_ARCH_AAEC2000)             := aaec2000
 machine-$(CONFIG_ARCH_AT91)            := at91
 machine-$(CONFIG_ARCH_BCMRING)         := bcmring
 machine-$(CONFIG_ARCH_CLPS711X)                := clps711x
+machine-$(CONFIG_ARCH_CNS3XXX)         := cns3xxx
 machine-$(CONFIG_ARCH_DAVINCI)         := davinci
 machine-$(CONFIG_ARCH_DOVE)            := dove
 machine-$(CONFIG_ARCH_EBSA110)         := ebsa110
diff --git a/arch/arm/mach-cns3xxx/Kconfig b/arch/arm/mach-cns3xxx/Kconfig
new file mode 100644 (file)
index 0000000..20284cd
--- /dev/null
@@ -0,0 +1,4 @@
+menu "CNS3XXX platform type"
+       depends on ARCH_CNS3XXX
+
+endmenu
diff --git a/arch/arm/mach-cns3xxx/Makefile b/arch/arm/mach-cns3xxx/Makefile
new file mode 100644 (file)
index 0000000..e5e76dd
--- /dev/null
@@ -0,0 +1 @@
+obj-$(CONFIG_ARCH_CNS3XXX)             += core.o pm.o
diff --git a/arch/arm/mach-cns3xxx/Makefile.boot b/arch/arm/mach-cns3xxx/Makefile.boot
new file mode 100644 (file)
index 0000000..7770128
--- /dev/null
@@ -0,0 +1,3 @@
+   zreladdr-y  := 0x00008000
+params_phys-y  := 0x00000100
+initrd_phys-y  := 0x00C00000
diff --git a/arch/arm/mach-cns3xxx/core.c b/arch/arm/mach-cns3xxx/core.c
new file mode 100644 (file)
index 0000000..9ca4d58
--- /dev/null
@@ -0,0 +1,249 @@
+/*
+ * 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 <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 __iomem *gic_cpu_base_addr;
+
+void __init cns3xxx_init_irq(void)
+{
+       gic_cpu_base_addr = __io(CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT);
+       gic_dist_init(0, __io(CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT), 29);
+       gic_cpu_init(0, gic_cpu_base_addr);
+}
+
+void cns3xxx_power_off(void)
+{
+       u32 __iomem *pm_base = __io(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 = __io(CNS3XXX_TIMER1_2_3_BASE_VIRT);
+
+       __cns3xxx_timer_init(IRQ_CNS3XXX_TIMER0);
+}
+
+struct sys_timer cns3xxx_timer = {
+       .init = cns3xxx_timer_init,
+};
diff --git a/arch/arm/mach-cns3xxx/core.h b/arch/arm/mach-cns3xxx/core.h
new file mode 100644 (file)
index 0000000..6b33ec1
--- /dev/null
@@ -0,0 +1,23 @@
+/*
+ * 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 void __iomem *gic_cpu_base_addr;
+extern struct sys_timer cns3xxx_timer;
+
+void __init cns3xxx_map_io(void);
+void __init cns3xxx_init_irq(void);
+void cns3xxx_power_off(void);
+void cns3xxx_pwr_power_up(unsigned int block);
+void cns3xxx_pwr_power_down(unsigned int block);
+
+#endif /* __CNS3XXX_CORE_H */
diff --git a/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h b/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
new file mode 100644 (file)
index 0000000..8a2f5a2
--- /dev/null
@@ -0,0 +1,635 @@
+/*
+ * 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_USB_BASE_VIRT                  0xFFF16000
+
+#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_USB_OHCI_BASE_VIRT             0xFFF1C000
+
+#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_MEM_MAP_VALUE(offset) (*((volatile unsigned int *)(CNS3XXX_MISC_BASE_VIRT + (offset))))
+
+#define MISC_MEMORY_REMAP_REG                  MISC_MEM_MAP_VALUE(0x00)
+#define MISC_CHIP_CONFIG_REG                   MISC_MEM_MAP_VALUE(0x04)
+#define MISC_DEBUG_PROBE_DATA_REG              MISC_MEM_MAP_VALUE(0x08)
+#define MISC_DEBUG_PROBE_SELECTION_REG         MISC_MEM_MAP_VALUE(0x0C)
+#define MISC_IO_PIN_FUNC_SELECTION_REG         MISC_MEM_MAP_VALUE(0x10)
+#define MISC_GPIOA_PIN_ENABLE_REG              MISC_MEM_MAP_VALUE(0x14)
+#define MISC_GPIOB_PIN_ENABLE_REG              MISC_MEM_MAP_VALUE(0x18)
+#define MISC_IO_PAD_DRIVE_STRENGTH_CTRL_A      MISC_MEM_MAP_VALUE(0x1C)
+#define MISC_IO_PAD_DRIVE_STRENGTH_CTRL_B      MISC_MEM_MAP_VALUE(0x20)
+#define MISC_GPIOA_15_0_PULL_CTRL_REG          MISC_MEM_MAP_VALUE(0x24)
+#define MISC_GPIOA_16_31_PULL_CTRL_REG         MISC_MEM_MAP_VALUE(0x28)
+#define MISC_GPIOB_15_0_PULL_CTRL_REG          MISC_MEM_MAP_VALUE(0x2C)
+#define MISC_GPIOB_16_31_PULL_CTRL_REG         MISC_MEM_MAP_VALUE(0x30)
+#define MISC_IO_PULL_CTRL_REG                  MISC_MEM_MAP_VALUE(0x34)
+#define MISC_E_FUSE_31_0_REG                   MISC_MEM_MAP_VALUE(0x40)
+#define MISC_E_FUSE_63_32_REG                  MISC_MEM_MAP_VALUE(0x44)
+#define MISC_E_FUSE_95_64_REG                  MISC_MEM_MAP_VALUE(0x48)
+#define MISC_E_FUSE_127_96_REG                 MISC_MEM_MAP_VALUE(0x4C)
+#define MISC_SOFTWARE_TEST_1_REG               MISC_MEM_MAP_VALUE(0x50)
+#define MISC_SOFTWARE_TEST_2_REG               MISC_MEM_MAP_VALUE(0x54)
+
+#define MISC_SATA_POWER_MODE                   MISC_MEM_MAP_VALUE(0x310)
+
+#define MISC_USB_CFG_REG                       MISC_MEM_MAP_VALUE(0x800)
+#define MISC_USB_STS_REG                       MISC_MEM_MAP_VALUE(0x804)
+#define MISC_USBPHY00_CFG_REG                  MISC_MEM_MAP_VALUE(0x808)
+#define MISC_USBPHY01_CFG_REG                  MISC_MEM_MAP_VALUE(0x80c)
+#define MISC_USBPHY10_CFG_REG                  MISC_MEM_MAP_VALUE(0x810)
+#define MISC_USBPHY11_CFG_REG                  MISC_MEM_MAP_VALUE(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_REG_VALUE(offset) (*((volatile unsigned int *)(CNS3XXX_PM_BASE_VIRT + (offset))))
+
+#define PM_CLK_GATE_REG                                        PMU_REG_VALUE(0x000)
+#define PM_SOFT_RST_REG                                        PMU_REG_VALUE(0x004)
+#define PM_HS_CFG_REG                                  PMU_REG_VALUE(0x008)
+#define PM_CACTIVE_STA_REG                             PMU_REG_VALUE(0x00C)
+#define PM_PWR_STA_REG                                 PMU_REG_VALUE(0x010)
+#define PM_CLK_CTRL_REG                                        PMU_REG_VALUE(0x014)
+#define PM_PLL_LCD_I2S_CTRL_REG                                PMU_REG_VALUE(0x018)
+#define PM_PLL_HM_PD_CTRL_REG                          PMU_REG_VALUE(0x01C)
+#define PM_REGULAT_CTRL_REG                            PMU_REG_VALUE(0x020)
+#define PM_WDT_CTRL_REG                                        PMU_REG_VALUE(0x024)
+#define PM_WU_CTRL0_REG                                        PMU_REG_VALUE(0x028)
+#define PM_WU_CTRL1_REG                                        PMU_REG_VALUE(0x02C)
+#define PM_CSR_REG                                     PMU_REG_VALUE(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 */
diff --git a/arch/arm/mach-cns3xxx/include/mach/debug-macro.S b/arch/arm/mach-cns3xxx/include/mach/debug-macro.S
new file mode 100644 (file)
index 0000000..d16ce7e
--- /dev/null
@@ -0,0 +1,21 @@
+/*
+ * 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,rx
+               mrc     p15, 0, \rx, c1, c0
+               tst     \rx, #1                 @ MMU enabled?
+               moveq   \rx,      #0x10000000
+               movne   \rx,      #0xf0000000   @ virtual base
+               orr     \rx, \rx, #0x00009000
+               .endm
+
+#include <asm/hardware/debug-pl01x.S>
diff --git a/arch/arm/mach-cns3xxx/include/mach/entry-macro.S b/arch/arm/mach-cns3xxx/include/mach/entry-macro.S
new file mode 100644 (file)
index 0000000..5e1c554
--- /dev/null
@@ -0,0 +1,82 @@
+/*
+ * Low-level IRQ helper macros for Cavium Networks platforms
+ *
+ * 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 <mach/hardware.h>
+#include <asm/hardware/gic.h>
+
+               .macro  disable_fiq
+               .endm
+
+               .macro  get_irqnr_preamble, base, tmp
+               ldr     \base, =gic_cpu_base_addr
+               ldr     \base, [\base]
+               .endm
+
+               .macro  arch_ret_to_user, tmp1, tmp2
+               .endm
+
+               /*
+                * The interrupt numbering scheme is defined in the
+                * interrupt controller spec.  To wit:
+                *
+                * Interrupts 0-15 are IPI
+                * 16-28 are reserved
+                * 29-31 are local.  We allow 30 to be used for the watchdog.
+                * 32-1020 are global
+                * 1021-1022 are reserved
+                * 1023 is "spurious" (no interrupt)
+                *
+                * For now, we ignore all local interrupts so only return an interrupt if it's
+                * between 30 and 1020.  The test_for_ipi routine below will pick up on IPIs.
+                *
+                * A simple read from the controller will tell us the number of the highest
+                 * priority enabled interrupt.  We then just need to check whether it is in the
+                * valid range for an IRQ (30-1020 inclusive).
+                */
+
+               .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+               ldr     \irqstat, [\base, #GIC_CPU_INTACK] /* bits 12-10 = src CPU, 9-0 = int # */
+
+               ldr     \tmp, =1021
+
+               bic     \irqnr, \irqstat, #0x1c00
+
+               cmp     \irqnr, #29
+               cmpcc   \irqnr, \irqnr
+               cmpne   \irqnr, \tmp
+               cmpcs   \irqnr, \irqnr
+
+               .endm
+
+               /* We assume that irqstat (the raw value of the IRQ acknowledge
+                * register) is preserved from the macro above.
+                * If there is an IPI, we immediately signal end of interrupt on the
+                * controller, since this requires the original irqstat value which
+                * we won't easily be able to recreate later.
+                */
+
+               .macro test_for_ipi, irqnr, irqstat, base, tmp
+               bic     \irqnr, \irqstat, #0x1c00
+               cmp     \irqnr, #16
+               strcc   \irqstat, [\base, #GIC_CPU_EOI]
+               cmpcs   \irqnr, \irqnr
+               .endm
+
+               /* As above, this assumes that irqstat and base are preserved.. */
+
+               .macro test_for_ltirq, irqnr, irqstat, base, tmp
+               bic     \irqnr, \irqstat, #0x1c00
+               mov     \tmp, #0
+               cmp     \irqnr, #29
+               moveq   \tmp, #1
+               streq   \irqstat, [\base, #GIC_CPU_EOI]
+               cmp     \tmp, #0
+               .endm
diff --git a/arch/arm/mach-cns3xxx/include/mach/hardware.h b/arch/arm/mach-cns3xxx/include/mach/hardware.h
new file mode 100644 (file)
index 0000000..57e0983
--- /dev/null
@@ -0,0 +1,22 @@
+/*
+ * This file contains the hardware definitions of the Cavium Networks boards.
+ *
+ * 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_HARDWARE_H
+#define __MACH_HARDWARE_H
+
+#include <asm/sizes.h>
+
+/* macro to get at IO space when running virtually */
+#define PCIBIOS_MIN_IO         0x00000000
+#define PCIBIOS_MIN_MEM                0x00000000
+#define pcibios_assign_all_busses()    1
+
+#endif
diff --git a/arch/arm/mach-cns3xxx/include/mach/io.h b/arch/arm/mach-cns3xxx/include/mach/io.h
new file mode 100644 (file)
index 0000000..33b6fc1
--- /dev/null
@@ -0,0 +1,17 @@
+/*
+ * Copyright 2008 Cavium Networks
+ * Copyright 2003 ARM Limited
+ *
+ * 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_IO_H
+#define __MACH_IO_H
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+#define __io(a)                        __typesafe_io(a)
+#define __mem_pci(a)           (a)
+
+#endif
diff --git a/arch/arm/mach-cns3xxx/include/mach/irqs.h b/arch/arm/mach-cns3xxx/include/mach/irqs.h
new file mode 100644 (file)
index 0000000..2ab96f8
--- /dev/null
@@ -0,0 +1,24 @@
+/*
+ * 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
diff --git a/arch/arm/mach-cns3xxx/include/mach/memory.h b/arch/arm/mach-cns3xxx/include/mach/memory.h
new file mode 100644 (file)
index 0000000..3b6b769
--- /dev/null
@@ -0,0 +1,26 @@
+/*
+ * 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_MEMORY_H
+#define __MACH_MEMORY_H
+
+/*
+ * Physical DRAM offset.
+ */
+#define PHYS_OFFSET            UL(0x00000000)
+
+#define __phys_to_bus(x)       ((x) + PHYS_OFFSET)
+#define __bus_to_phys(x)       ((x) - PHYS_OFFSET)
+
+#define __virt_to_bus(v)       __phys_to_bus(__virt_to_phys(v))
+#define __bus_to_virt(b)       __phys_to_virt(__bus_to_phys(b))
+#define __pfn_to_bus(p)                __phys_to_bus(__pfn_to_phys(p))
+#define __bus_to_pfn(b)                __phys_to_pfn(__bus_to_phys(b))
+
+#endif
diff --git a/arch/arm/mach-cns3xxx/include/mach/system.h b/arch/arm/mach-cns3xxx/include/mach/system.h
new file mode 100644 (file)
index 0000000..58bb03a
--- /dev/null
@@ -0,0 +1,29 @@
+/*
+ * 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_SYSTEM_H
+#define __MACH_SYSTEM_H
+
+#include <linux/io.h>
+#include <asm/proc-fns.h>
+#include <mach/hardware.h>
+
+static inline void arch_idle(void)
+{
+       /*
+        * This should do all the clock switching
+        * and wait for interrupt tricks
+        */
+       cpu_do_idle();
+}
+
+void arch_reset(char mode, const char *cmd);
+
+#endif
diff --git a/arch/arm/mach-cns3xxx/include/mach/timex.h b/arch/arm/mach-cns3xxx/include/mach/timex.h
new file mode 100644 (file)
index 0000000..1fd0421
--- /dev/null
@@ -0,0 +1,12 @@
+/*
+ * 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)
diff --git a/arch/arm/mach-cns3xxx/include/mach/uncompress.h b/arch/arm/mach-cns3xxx/include/mach/uncompress.h
new file mode 100644 (file)
index 0000000..de8ead9
--- /dev/null
@@ -0,0 +1,55 @@
+/*
+ * 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/hardware.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()
diff --git a/arch/arm/mach-cns3xxx/include/mach/vmalloc.h b/arch/arm/mach-cns3xxx/include/mach/vmalloc.h
new file mode 100644 (file)
index 0000000..4d381ec
--- /dev/null
@@ -0,0 +1,11 @@
+/*
+ * Copyright 2000 Russell King.
+ * 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 VMALLOC_END            0xd8000000
diff --git a/arch/arm/mach-cns3xxx/pm.c b/arch/arm/mach-cns3xxx/pm.c
new file mode 100644 (file)
index 0000000..725e1a4
--- /dev/null
@@ -0,0 +1,86 @@
+/*
+ * 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/delay.h>
+#include <mach/system.h>
+#include <mach/cns3xxx.h>
+
+void cns3xxx_pwr_clk_en(unsigned int block)
+{
+       PM_CLK_GATE_REG |= (block & PM_CLK_GATE_REG_MASK);
+}
+
+void cns3xxx_pwr_power_up(unsigned int block)
+{
+       PM_PLL_HM_PD_CTRL_REG &= ~(block & CNS3XXX_PWR_PLL_ALL);
+
+       /* Wait for 300us for the PLL output clock locked. */
+       udelay(300);
+};
+
+void cns3xxx_pwr_power_down(unsigned int block)
+{
+       /* write '1' to power down */
+       PM_PLL_HM_PD_CTRL_REG |= (block & CNS3XXX_PWR_PLL_ALL);
+};
+
+static void cns3xxx_pwr_soft_rst_force(unsigned int block)
+{
+       /*
+        * bit 0, 28, 29 => program low to reset,
+        * the other else program low and then high
+        */
+       if (block & 0x30000001) {
+               PM_SOFT_RST_REG &= ~(block & PM_SOFT_RST_REG_MASK);
+       } else {
+               PM_SOFT_RST_REG &= ~(block & PM_SOFT_RST_REG_MASK);
+               PM_SOFT_RST_REG |= (block & PM_SOFT_RST_REG_MASK);
+       }
+}
+
+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);
+}
+
+void arch_reset(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)
+{
+       int cpu;
+       int cpu_sel;
+       int div_sel;
+
+       cpu_sel = (PM_CLK_CTRL_REG >> PM_CLK_CTRL_REG_OFFSET_PLL_CPU_SEL) & 0xf;
+       div_sel = (PM_CLK_CTRL_REG >> PM_CLK_CTRL_REG_OFFSET_CPU_CLK_DIV) & 0x3;
+
+       cpu = (300 + ((cpu_sel / 3) * 100) + ((cpu_sel % 3) * 33)) >> div_sel;
+
+       return cpu;
+}