diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/Kconfig | 11 | ||||
| -rw-r--r-- | arch/arm/Kconfig.debug | 8 | ||||
| -rw-r--r-- | arch/arm/configs/cns3420vb_defconfig | 3 | ||||
| -rw-r--r-- | arch/arm/include/debug/cns3xxx.S (renamed from arch/arm/mach-cns3xxx/include/mach/debug-macro.S) | 0 | ||||
| -rw-r--r-- | arch/arm/mach-cns3xxx/Kconfig | 12 | ||||
| -rw-r--r-- | arch/arm/mach-cns3xxx/Makefile | 8 | ||||
| -rw-r--r-- | arch/arm/mach-cns3xxx/cns3420vb.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-cns3xxx/cns3xxx.h (renamed from arch/arm/mach-cns3xxx/include/mach/cns3xxx.h) | 7 | ||||
| -rw-r--r-- | arch/arm/mach-cns3xxx/core.c | 121 | ||||
| -rw-r--r-- | arch/arm/mach-cns3xxx/devices.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-cns3xxx/include/mach/irqs.h | 24 | ||||
| -rw-r--r-- | arch/arm/mach-cns3xxx/include/mach/timex.h | 12 | ||||
| -rw-r--r-- | arch/arm/mach-cns3xxx/include/mach/uncompress.h | 53 | ||||
| -rw-r--r-- | arch/arm/mach-cns3xxx/pcie.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-cns3xxx/pm.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-cns3xxx/pm.h (renamed from arch/arm/mach-cns3xxx/include/mach/pm.h) | 0 |
16 files changed, 158 insertions, 118 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index a5ddc366047..9a95f7897ba 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -382,17 +382,6 @@ config ARCH_BCM2835 This enables support for the Broadcom BCM2835 SoC. This SoC is use in the Raspberry Pi, and Roku 2 devices. -config ARCH_CNS3XXX - bool "Cavium Networks CNS3XXX family" - select ARM_GIC - select CPU_V6K - select GENERIC_CLOCKEVENTS - select MIGHT_HAVE_CACHE_L2X0 - select MIGHT_HAVE_PCI - select PCI_DOMAINS if PCI - help - Support for Cavium Networks CNS3XXX platform. - config ARCH_CLPS711X bool "Cirrus Logic CLPS711x/EP721x/EP731x-based" select ARCH_REQUIRE_GPIOLIB diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 7d4b96daad4..5115ff9e8a2 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -103,6 +103,13 @@ choice Say Y here if you want the debug print routines to direct their output to the second serial port on these devices. + config DEBUG_CNS3XXX + bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx" + depends on ARCH_CNS3XXX + help + Say Y here if you want the debug print routines to direct + their output to the CNS3xxx UART0. + config DEBUG_DAVINCI_DA8XX_UART1 bool "Kernel low-level debugging on DaVinci DA8XX using UART1" depends on ARCH_DAVINCI_DA8XX @@ -586,6 +593,7 @@ endchoice config DEBUG_LL_INCLUDE string + default "debug/cns3xxx.S" if DEBUG_CNS3XXX default "debug/icedcc.S" if DEBUG_ICEDCC default "debug/imx.S" if DEBUG_IMX1_UART || \ DEBUG_IMX25_UART || \ diff --git a/arch/arm/configs/cns3420vb_defconfig b/arch/arm/configs/cns3420vb_defconfig index 313627adf46..b1ff5cdba9a 100644 --- a/arch/arm/configs/cns3420vb_defconfig +++ b/arch/arm/configs/cns3420vb_defconfig @@ -19,8 +19,11 @@ CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y # CONFIG_BLK_DEV_BSG is not set CONFIG_IOSCHED_CFQ=m +CONFIG_ARCH_MULTI_V6=y +#CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_CNS3XXX=y CONFIG_MACH_CNS3420VB=y +CONFIG_DEBUG_CNS3XXX=y CONFIG_AEABI=y CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 diff --git a/arch/arm/mach-cns3xxx/include/mach/debug-macro.S b/arch/arm/include/debug/cns3xxx.S index d04c150baa1..d04c150baa1 100644 --- a/arch/arm/mach-cns3xxx/include/mach/debug-macro.S +++ b/arch/arm/include/debug/cns3xxx.S diff --git a/arch/arm/mach-cns3xxx/Kconfig b/arch/arm/mach-cns3xxx/Kconfig index 9ebfcc46feb..dbf0df8bb0a 100644 --- a/arch/arm/mach-cns3xxx/Kconfig +++ b/arch/arm/mach-cns3xxx/Kconfig @@ -1,8 +1,20 @@ +config ARCH_CNS3XXX + bool "Cavium Networks CNS3XXX family" if ARCH_MULTI_V6 + select ARM_GIC + select CPU_V6K + select GENERIC_CLOCKEVENTS + select MIGHT_HAVE_CACHE_L2X0 + select MIGHT_HAVE_PCI + select PCI_DOMAINS if PCI + help + Support for Cavium Networks CNS3XXX platform. + menu "CNS3XXX platform type" depends on ARCH_CNS3XXX config MACH_CNS3420VB bool "Support for CNS3420 Validation Board" + depends on ATAGS help Include support for the Cavium Networks CNS3420 MPCore Platform Baseboard. diff --git a/arch/arm/mach-cns3xxx/Makefile b/arch/arm/mach-cns3xxx/Makefile index 11033f1c2e2..a1ff1084869 100644 --- a/arch/arm/mach-cns3xxx/Makefile +++ b/arch/arm/mach-cns3xxx/Makefile @@ -1,3 +1,5 @@ -obj-$(CONFIG_ARCH_CNS3XXX) += core.o pm.o devices.o -obj-$(CONFIG_PCI) += pcie.o -obj-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o +obj-$(CONFIG_ARCH_CNS3XXX) += cns3xxx.o +cns3xxx-y += core.o pm.o +cns3xxx-$(CONFIG_ATAGS) += devices.o +cns3xxx-$(CONFIG_PCI) += pcie.o +cns3xxx-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o diff --git a/arch/arm/mach-cns3xxx/cns3420vb.c b/arch/arm/mach-cns3xxx/cns3420vb.c index a71867e1d8d..ce096d678aa 100644 --- a/arch/arm/mach-cns3xxx/cns3420vb.c +++ b/arch/arm/mach-cns3xxx/cns3420vb.c @@ -31,9 +31,8 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/time.h> -#include <mach/cns3xxx.h> -#include <mach/irqs.h> -#include <mach/pm.h> +#include "cns3xxx.h" +#include "pm.h" #include "core.h" #include "devices.h" @@ -247,6 +246,7 @@ static void __init cns3420_map_io(void) MACHINE_START(CNS3420VB, "Cavium Networks CNS3420 Validation Board") .atag_offset = 0x100, + .nr_irqs = NR_IRQS_CNS3XXX, .map_io = cns3420_map_io, .init_irq = cns3xxx_init_irq, .init_time = cns3xxx_timer_init, diff --git a/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h b/arch/arm/mach-cns3xxx/cns3xxx.h index 191c8e57f28..d7d3a8d6428 100644 --- a/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h +++ b/arch/arm/mach-cns3xxx/cns3xxx.h @@ -553,6 +553,8 @@ int cns3xxx_cpu_clock(void); /* * ARM11 MPCore interrupt sources (primary GIC) */ +#define IRQ_TC11MP_GIC_START 32 + #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) @@ -624,9 +626,4 @@ int cns3xxx_cpu_clock(void); #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/core.c b/arch/arm/mach-cns3xxx/core.c index e698f26cc0c..49e657c1506 100644 --- a/arch/arm/mach-cns3xxx/core.c +++ b/arch/arm/mach-cns3xxx/core.c @@ -13,12 +13,18 @@ #include <linux/clockchips.h> #include <linux/io.h> #include <linux/irqchip/arm-gic.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/usb/ehci_pdriver.h> +#include <linux/usb/ohci_pdriver.h> +#include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/time.h> #include <asm/mach/irq.h> #include <asm/hardware/cache-l2x0.h> -#include <mach/cns3xxx.h> +#include "cns3xxx.h" #include "core.h" +#include "pm.h" static struct map_desc cns3xxx_io_desc[] __initdata = { { @@ -276,3 +282,116 @@ void __init cns3xxx_l2x0_init(void) } #endif /* CONFIG_CACHE_L2X0 */ + +static int csn3xxx_usb_power_on(struct platform_device *pdev) +{ + /* + * EHCI and OHCI share the same clock and power, + * resetting twice would cause the 1st controller been reset. + * Therefore only do power up at the first up device, and + * power down at the last down device. + * + * Set USB AHB INCR length to 16 + */ + if (atomic_inc_return(&usb_pwr_ref) == 1) { + cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB); + cns3xxx_pwr_clk_en(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST); + cns3xxx_pwr_soft_rst(1 << PM_SOFT_RST_REG_OFFST_USB_HOST); + __raw_writel((__raw_readl(MISC_CHIP_CONFIG_REG) | (0X2 << 24)), + MISC_CHIP_CONFIG_REG); + } + + return 0; +} + +static void csn3xxx_usb_power_off(struct platform_device *pdev) +{ + /* + * EHCI and OHCI share the same clock and power, + * resetting twice would cause the 1st controller been reset. + * Therefore only do power up at the first up device, and + * power down at the last down device. + */ + if (atomic_dec_return(&usb_pwr_ref) == 0) + cns3xxx_pwr_clk_dis(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST); +} + +static struct usb_ehci_pdata cns3xxx_usb_ehci_pdata = { + .power_on = csn3xxx_usb_power_on, + .power_off = csn3xxx_usb_power_off, +}; + +static struct usb_ohci_pdata cns3xxx_usb_ohci_pdata = { + .num_ports = 1, + .power_on = csn3xxx_usb_power_on, + .power_off = csn3xxx_usb_power_off, +}; + +static struct of_dev_auxdata cns3xxx_auxdata[] __initconst = { + { "intel,usb-ehci", CNS3XXX_USB_BASE, "ehci-platform", &cns3xxx_usb_ehci_pdata }, + { "intel,usb-ohci", CNS3XXX_USB_OHCI_BASE, "ohci-platform", &cns3xxx_usb_ohci_pdata }, + { "cavium,cns3420-ahci", CNS3XXX_SATA2_BASE, "ahci", NULL }, + { "cavium,cns3420-sdhci", CNS3XXX_SDIO_BASE, "ahci", NULL }, + {}, +}; + +static void __init cns3xxx_init(void) +{ + struct device_node *dn; + + cns3xxx_l2x0_init(); + + dn = of_find_compatible_node(NULL, NULL, "cavium,cns3420-ahci"); + if (of_device_is_available(dn)) { + 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)); + } + + dn = of_find_compatible_node(NULL, NULL, "cavium,cns3420-sdhci"); + if (of_device_is_available(dn)) { + 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)); + } + + pm_power_off = cns3xxx_power_off; + + of_platform_populate(NULL, of_default_bus_match_table, + cns3xxx_auxdata, NULL); +} + +static const char *cns3xxx_dt_compat[] __initdata = { + "cavium,cns3410", + "cavium,cns3420", + NULL, +}; + +DT_MACHINE_START(CNS3XXX_DT, "Cavium Networks CNS3xxx") + .dt_compat = cns3xxx_dt_compat, + .nr_irqs = NR_IRQS_CNS3XXX, + .map_io = cns3xxx_map_io, + .init_irq = cns3xxx_init_irq, + .init_time = cns3xxx_timer_init, + .init_machine = cns3xxx_init, + .restart = cns3xxx_restart, +MACHINE_END diff --git a/arch/arm/mach-cns3xxx/devices.c b/arch/arm/mach-cns3xxx/devices.c index 1e40c99b015..7da78a2451f 100644 --- a/arch/arm/mach-cns3xxx/devices.c +++ b/arch/arm/mach-cns3xxx/devices.c @@ -16,9 +16,8 @@ #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 "cns3xxx.h" +#include "pm.h" #include "core.h" #include "devices.h" diff --git a/arch/arm/mach-cns3xxx/include/mach/irqs.h b/arch/arm/mach-cns3xxx/include/mach/irqs.h deleted file mode 100644 index 2ab96f8085c..00000000000 --- a/arch/arm/mach-cns3xxx/include/mach/irqs.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * 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/timex.h b/arch/arm/mach-cns3xxx/include/mach/timex.h deleted file mode 100644 index 1fd04217cac..00000000000 --- a/arch/arm/mach-cns3xxx/include/mach/timex.h +++ /dev/null @@ -1,12 +0,0 @@ -/* - * 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 deleted file mode 100644 index 7a030b99df8..00000000000 --- a/arch/arm/mach-cns3xxx/include/mach/uncompress.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * 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() diff --git a/arch/arm/mach-cns3xxx/pcie.c b/arch/arm/mach-cns3xxx/pcie.c index 31132831416..c7b204bff38 100644 --- a/arch/arm/mach-cns3xxx/pcie.c +++ b/arch/arm/mach-cns3xxx/pcie.c @@ -20,7 +20,7 @@ #include <linux/interrupt.h> #include <linux/ptrace.h> #include <asm/mach/map.h> -#include <mach/cns3xxx.h> +#include "cns3xxx.h" #include "core.h" enum cns3xxx_access_type { diff --git a/arch/arm/mach-cns3xxx/pm.c b/arch/arm/mach-cns3xxx/pm.c index 36458080332..79e3d47aad6 100644 --- a/arch/arm/mach-cns3xxx/pm.c +++ b/arch/arm/mach-cns3xxx/pm.c @@ -11,8 +11,8 @@ #include <linux/io.h> #include <linux/delay.h> #include <linux/atomic.h> -#include <mach/cns3xxx.h> -#include <mach/pm.h> +#include "cns3xxx.h" +#include "pm.h" #include "core.h" void cns3xxx_pwr_clk_en(unsigned int block) diff --git a/arch/arm/mach-cns3xxx/include/mach/pm.h b/arch/arm/mach-cns3xxx/pm.h index c2588cc991d..c2588cc991d 100644 --- a/arch/arm/mach-cns3xxx/include/mach/pm.h +++ b/arch/arm/mach-cns3xxx/pm.h |