diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/boot/compressed/misc.c | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/asm-offsets.c | 6 | ||||
| -rw-r--r-- | arch/arm/kernel/head-nommu.S | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/head.S | 8 | ||||
| -rw-r--r-- | arch/arm/mach-imx/generic.c | 52 | ||||
| -rw-r--r-- | arch/arm/mach-imx/mx1ads.c | 74 | ||||
| -rw-r--r-- | arch/arm/mach-ixp4xx/Kconfig | 15 | ||||
| -rw-r--r-- | arch/arm/mach-ixp4xx/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/dma.c | 17 | ||||
| -rw-r--r-- | arch/arm/vfp/vfpmodule.c | 2 |
11 files changed, 105 insertions, 82 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 1dbf6ddb300d..08b7cc900cae 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -150,8 +150,6 @@ config ARCH_IOP3XX config ARCH_IXP4XX bool "IXP4xx-based" - select DMABOUNCE - select PCI help Support for Intel's IXP4XX (XScale) family of processors. diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 0af3772efcb7..ace3fb5835d9 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -38,10 +38,10 @@ static void icedcc_putc(int ch) if (--i < 0) return; - asm("mrc p14, 0, %0, c0, c0, 0" : "=r" (status)); + asm volatile ("mrc p14, 0, %0, c0, c0, 0" : "=r" (status)); } while (status & 2); - asm("mcr p15, 0, %0, c1, c0, 0" : : "r" (ch)); + asm("mcr p14, 0, %0, c1, c0, 0" : : "r" (ch)); } #define putc(ch) icedcc_putc(ch) diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c index b324dcac1c56..45fdf4a51a2a 100644 --- a/arch/arm/kernel/asm-offsets.c +++ b/arch/arm/kernel/asm-offsets.c @@ -95,5 +95,11 @@ int main(void) DEFINE(SYS_ERROR0, 0x9f0000); BLANK(); DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc)); + DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr)); + DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name)); + DEFINE(MACHINFO_PHYSIO, offsetof(struct machine_desc, phys_io)); + DEFINE(MACHINFO_PGOFFIO, offsetof(struct machine_desc, io_pg_offst)); + DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush)); + DEFINE(PROCINFO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mmu_flags)); return 0; } diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index 0bea65864051..adf62e5eaad7 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -20,12 +20,10 @@ #include <asm/mach-types.h> #include <asm/procinfo.h> #include <asm/ptrace.h> +#include <asm/asm-offsets.h> #include <asm/thread_info.h> #include <asm/system.h> -#define PROCINFO_INITFUNC 12 -#define MACHINFO_TYPE 0 - /* * Kernel startup entry point. * --------------------------- diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 04b66a9328ef..04f7344e356a 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -24,14 +24,6 @@ #include <asm/thread_info.h> #include <asm/system.h> -#define PROCINFO_MMUFLAGS 8 -#define PROCINFO_INITFUNC 12 - -#define MACHINFO_TYPE 0 -#define MACHINFO_PHYSIO 4 -#define MACHINFO_PGOFFIO 8 -#define MACHINFO_NAME 12 - #define KERNEL_RAM_ADDR (PAGE_OFFSET + TEXT_OFFSET) /* diff --git a/arch/arm/mach-imx/generic.c b/arch/arm/mach-imx/generic.c index 9d8331be2b58..12ea58a3b84f 100644 --- a/arch/arm/mach-imx/generic.c +++ b/arch/arm/mach-imx/generic.c @@ -195,56 +195,6 @@ void __init imx_set_mmc_info(struct imxmmc_platform_data *info) } EXPORT_SYMBOL(imx_set_mmc_info); -static struct resource imx_uart1_resources[] = { - [0] = { - .start = 0x00206000, - .end = 0x002060FF, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = (UART1_MINT_RX), - .end = (UART1_MINT_RX), - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = (UART1_MINT_TX), - .end = (UART1_MINT_TX), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device imx_uart1_device = { - .name = "imx-uart", - .id = 0, - .num_resources = ARRAY_SIZE(imx_uart1_resources), - .resource = imx_uart1_resources, -}; - -static struct resource imx_uart2_resources[] = { - [0] = { - .start = 0x00207000, - .end = 0x002070FF, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = (UART2_MINT_RX), - .end = (UART2_MINT_RX), - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = (UART2_MINT_TX), - .end = (UART2_MINT_TX), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device imx_uart2_device = { - .name = "imx-uart", - .id = 1, - .num_resources = ARRAY_SIZE(imx_uart2_resources), - .resource = imx_uart2_resources, -}; - static struct imxfb_mach_info imx_fb_info; void __init set_imx_fb_info(struct imxfb_mach_info *hard_imx_fb_info) @@ -283,8 +233,6 @@ static struct platform_device imxfb_device = { static struct platform_device *devices[] __initdata = { &imx_mmc_device, &imxfb_device, - &imx_uart1_device, - &imx_uart2_device, }; static struct map_desc imx_io_desc[] __initdata = { diff --git a/arch/arm/mach-imx/mx1ads.c b/arch/arm/mach-imx/mx1ads.c index e34d0df90aed..e1f6c0bbe1e7 100644 --- a/arch/arm/mach-imx/mx1ads.c +++ b/arch/arm/mach-imx/mx1ads.c @@ -26,6 +26,7 @@ #include <asm/mach/arch.h> #include <asm/arch/mmc.h> +#include <asm/arch/imx-uart.h> #include <linux/interrupt.h> #include "generic.h" @@ -48,8 +49,70 @@ static struct platform_device cs89x0_device = { .resource = cs89x0_resources, }; +static struct imxuart_platform_data uart_pdata = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static struct resource imx_uart1_resources[] = { + [0] = { + .start = 0x00206000, + .end = 0x002060FF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = (UART1_MINT_RX), + .end = (UART1_MINT_RX), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = (UART1_MINT_TX), + .end = (UART1_MINT_TX), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device imx_uart1_device = { + .name = "imx-uart", + .id = 0, + .num_resources = ARRAY_SIZE(imx_uart1_resources), + .resource = imx_uart1_resources, + .dev = { + .platform_data = &uart_pdata, + } +}; + +static struct resource imx_uart2_resources[] = { + [0] = { + .start = 0x00207000, + .end = 0x002070FF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = (UART2_MINT_RX), + .end = (UART2_MINT_RX), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = (UART2_MINT_TX), + .end = (UART2_MINT_TX), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device imx_uart2_device = { + .name = "imx-uart", + .id = 1, + .num_resources = ARRAY_SIZE(imx_uart2_resources), + .resource = imx_uart2_resources, + .dev = { + .platform_data = &uart_pdata, + } +}; + static struct platform_device *devices[] __initdata = { &cs89x0_device, + &imx_uart1_device, + &imx_uart2_device, }; #ifdef CONFIG_MMC_IMX @@ -75,6 +138,17 @@ mx1ads_init(void) imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20); imx_set_mmc_info(&mx1ads_mmc_info); #endif + + imx_gpio_mode(PC9_PF_UART1_CTS); + imx_gpio_mode(PC10_PF_UART1_RTS); + imx_gpio_mode(PC11_PF_UART1_TXD); + imx_gpio_mode(PC12_PF_UART1_RXD); + + imx_gpio_mode(PB28_PF_UART2_CTS); + imx_gpio_mode(PB29_PF_UART2_RTS); + imx_gpio_mode(PB30_PF_UART2_TXD); + imx_gpio_mode(PB31_PF_UART2_RXD); + platform_add_devices(devices, ARRAY_SIZE(devices)); } diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig index 5bf50a2a737d..2a39f9e481ad 100644 --- a/arch/arm/mach-ixp4xx/Kconfig +++ b/arch/arm/mach-ixp4xx/Kconfig @@ -11,6 +11,7 @@ comment "IXP4xx Platforms" config MACH_NSLU2 bool prompt "Linksys NSLU2" + select PCI help Say 'Y' here if you want your kernel to support Linksys's NSLU2 NAS device. For more information on this platform, @@ -18,6 +19,7 @@ config MACH_NSLU2 config ARCH_AVILA bool "Avila" + select PCI help Say 'Y' here if you want your kernel to support the Gateworks Avila Network Platform. For more information on this platform, @@ -25,6 +27,7 @@ config ARCH_AVILA config ARCH_ADI_COYOTE bool "Coyote" + select PCI help Say 'Y' here if you want your kernel to support the ADI Engineering Coyote Gateway Reference Platform. For more @@ -32,6 +35,7 @@ config ARCH_ADI_COYOTE config ARCH_IXDP425 bool "IXDP425" + select PCI help Say 'Y' here if you want your kernel to support Intel's IXDP425 Development Platform (Also known as Richfield). @@ -39,6 +43,7 @@ config ARCH_IXDP425 config MACH_IXDPG425 bool "IXDPG425" + select PCI help Say 'Y' here if you want your kernel to support Intel's IXDPG425 Development Platform (Also known as Montajade). @@ -46,6 +51,7 @@ config MACH_IXDPG425 config MACH_IXDP465 bool "IXDP465" + select PCI help Say 'Y' here if you want your kernel to support Intel's IXDP465 Development Platform (Also known as BMP). @@ -72,6 +78,7 @@ config ARCH_PRPMC1100 config MACH_NAS100D bool prompt "NAS100D" + select PCI help Say 'Y' here if you want your kernel to support Iomega's NAS 100d device. For more information on this platform, @@ -96,6 +103,7 @@ config CPU_IXP46X config MACH_GTWX5715 bool "Gemtek WX5715 (Linksys WRV54G)" depends on ARCH_IXP4XX + select PCI help This board is currently inside the Linksys WRV54G Gateways. @@ -110,11 +118,16 @@ config MACH_GTWX5715 "High Speed" UART is n/c (as far as I can tell) 20 Pin ARM/Xscale JTAG interface on J2 - comment "IXP4xx Options" +config DMABOUNCE + bool + default y + depends on PCI + config IXP4XX_INDIRECT_PCI bool "Use indirect PCI memory access" + depends on PCI help IXP4xx provides two methods of accessing PCI memory space: diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile index 0471044fa179..5a4aaa0e0a09 100644 --- a/arch/arm/mach-ixp4xx/Makefile +++ b/arch/arm/mach-ixp4xx/Makefile @@ -2,8 +2,9 @@ # Makefile for the linux kernel. # -obj-y += common.o common-pci.o +obj-y += common.o +obj-$(CONFIG_PCI) += common-pci.o obj-$(CONFIG_ARCH_IXDP4XX) += ixdp425-pci.o ixdp425-setup.o obj-$(CONFIG_MACH_IXDPG425) += ixdpg425-pci.o coyote-setup.o obj-$(CONFIG_ARCH_ADI_COYOTE) += coyote-pci.o coyote-setup.o diff --git a/arch/arm/mach-pxa/dma.c b/arch/arm/mach-pxa/dma.c index 458112b21e25..7d8c85486c66 100644 --- a/arch/arm/mach-pxa/dma.c +++ b/arch/arm/mach-pxa/dma.c @@ -45,23 +45,16 @@ int pxa_request_dma (char *name, pxa_dma_prio prio, local_irq_save(flags); - /* try grabbing a DMA channel with the requested priority */ - for (i = prio; i < prio + PXA_DMA_NBCH(prio); i++) { - if (!dma_channels[i].name) { - found = 1; - break; - } - } - - if (!found) { - /* requested prio group is full, try hier priorities */ - for (i = prio-1; i >= 0; i--) { + do { + /* try grabbing a DMA channel with the requested priority */ + pxa_for_each_dma_prio (i, prio) { if (!dma_channels[i].name) { found = 1; break; } } - } + /* if requested prio group is full, try a hier priority */ + } while (!found && prio--); if (found) { DCSR(i) = DCSR_STARTINTR|DCSR_ENDINTR|DCSR_BUSERR; diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 37ff8145b5b5..03486be04193 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -245,7 +245,7 @@ void VFP9_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs) */ barrier(); trigger = fmrx(FPINST2); - fpscr = fmrx(FPSCR); + orig_fpscr = fpscr = fmrx(FPSCR); emulate: exceptions = vfp_emulate_instruction(trigger, fpscr, regs); |