From 9728c1b6a724daefc413b44e10253cdbb5e06d08 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 19 Jan 2011 23:29:12 +0000 Subject: ARM: versatile: support CLCD RGB565 layout with blue LSB RGB565 with blue in the LSB wasn't supported. Add support for this layout. Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/mach-versatile/core.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) (limited to 'arch/arm/mach-versatile') diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 136c32e7ed8e..2866c114e682 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -630,18 +630,22 @@ static void versatile_clcd_disable(struct clcd_fb *fb) */ static void versatile_clcd_enable(struct clcd_fb *fb) { + struct fb_var_screeninfo *var = &fb->fb.var; void __iomem *sys_clcd = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_CLCD_OFFSET; u32 val; val = readl(sys_clcd); val &= ~SYS_CLCD_MODE_MASK; - switch (fb->fb.var.green.length) { + switch (var->green.length) { case 5: val |= SYS_CLCD_MODE_5551; break; case 6: - val |= SYS_CLCD_MODE_565_RLSB; + if (var->red.offset == 0) + val |= SYS_CLCD_MODE_565_RLSB; + else + val |= SYS_CLCD_MODE_565_BLSB; break; case 8: val |= SYS_CLCD_MODE_888; @@ -709,10 +713,19 @@ static void versatile_clcd_remove(struct clcd_fb *fb) fb->fb.screen_base, fb->fb.fix.smem_start); } +static void versatile_clcd_decode(struct clcd_fb *fb, struct clcd_regs *regs) +{ + clcdfb_decode(fb, regs); + + /* Always clear BGR for RGB565: we do the routing externally */ + if (fb->fb.var.green.length == 6) + regs->cntl &= ~CNTL_BGR; +} + static struct clcd_board clcd_plat_data = { .name = "Versatile", .check = clcdfb_check, - .decode = clcdfb_decode, + .decode = versatile_clcd_decode, .disable = versatile_clcd_disable, .enable = versatile_clcd_enable, .setup = versatile_clcd_setup, -- cgit v1.2.3 From 3414ba8c899023b604e6066d25bc9d516e059401 Mon Sep 17 00:00:00 2001 From: Russell King Date: Tue, 18 Jan 2011 20:12:10 +0000 Subject: ARM: versatile: switch Versatile to use consolidated CLCD This switches Versatile platforms to use the consolidated CLCD panel support, including the display capabilities. Versatile can support RGB5551, BGR5551, RGB565 and BGR565 modes. Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/mach-versatile/core.c | 186 ++++++++--------------------------------- 1 file changed, 35 insertions(+), 151 deletions(-) (limited to 'arch/arm/mach-versatile') diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 2866c114e682..b4f1f17eeb8d 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -50,6 +50,7 @@ #include #include +#include #include #include "core.h" @@ -476,127 +477,7 @@ static struct clk_lookup lookups[] = { #define SYS_CLCD_ID_SANYO_2_5 (0x07 << 8) #define SYS_CLCD_ID_VGA (0x1f << 8) -static struct clcd_panel vga = { - .mode = { - .name = "VGA", - .refresh = 60, - .xres = 640, - .yres = 480, - .pixclock = 39721, - .left_margin = 40, - .right_margin = 24, - .upper_margin = 32, - .lower_margin = 11, - .hsync_len = 96, - .vsync_len = 2, - .sync = 0, - .vmode = FB_VMODE_NONINTERLACED, - }, - .width = -1, - .height = -1, - .tim2 = TIM2_BCD | TIM2_IPC, - .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1), - .bpp = 16, -}; - -static struct clcd_panel sanyo_3_8_in = { - .mode = { - .name = "Sanyo QVGA", - .refresh = 116, - .xres = 320, - .yres = 240, - .pixclock = 100000, - .left_margin = 6, - .right_margin = 6, - .upper_margin = 5, - .lower_margin = 5, - .hsync_len = 6, - .vsync_len = 6, - .sync = 0, - .vmode = FB_VMODE_NONINTERLACED, - }, - .width = -1, - .height = -1, - .tim2 = TIM2_BCD, - .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1), - .bpp = 16, -}; - -static struct clcd_panel sanyo_2_5_in = { - .mode = { - .name = "Sanyo QVGA Portrait", - .refresh = 116, - .xres = 240, - .yres = 320, - .pixclock = 100000, - .left_margin = 20, - .right_margin = 10, - .upper_margin = 2, - .lower_margin = 2, - .hsync_len = 10, - .vsync_len = 2, - .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - .vmode = FB_VMODE_NONINTERLACED, - }, - .width = -1, - .height = -1, - .tim2 = TIM2_IVS | TIM2_IHS | TIM2_IPC, - .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1), - .bpp = 16, -}; - -static struct clcd_panel epson_2_2_in = { - .mode = { - .name = "Epson QCIF", - .refresh = 390, - .xres = 176, - .yres = 220, - .pixclock = 62500, - .left_margin = 3, - .right_margin = 2, - .upper_margin = 1, - .lower_margin = 0, - .hsync_len = 3, - .vsync_len = 2, - .sync = 0, - .vmode = FB_VMODE_NONINTERLACED, - }, - .width = -1, - .height = -1, - .tim2 = TIM2_BCD | TIM2_IPC, - .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1), - .bpp = 16, -}; - -/* - * Detect which LCD panel is connected, and return the appropriate - * clcd_panel structure. Note: we do not have any information on - * the required timings for the 8.4in panel, so we presently assume - * VGA timings. - */ -static struct clcd_panel *versatile_clcd_panel(void) -{ - void __iomem *sys_clcd = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_CLCD_OFFSET; - struct clcd_panel *panel = &vga; - u32 val; - - val = readl(sys_clcd) & SYS_CLCD_ID_MASK; - if (val == SYS_CLCD_ID_SANYO_3_8) - panel = &sanyo_3_8_in; - else if (val == SYS_CLCD_ID_SANYO_2_5) - panel = &sanyo_2_5_in; - else if (val == SYS_CLCD_ID_EPSON_2_2) - panel = &epson_2_2_in; - else if (val == SYS_CLCD_ID_VGA) - panel = &vga; - else { - printk(KERN_ERR "CLCD: unknown LCD panel ID 0x%08x, using VGA\n", - val); - panel = &vga; - } - - return panel; -} +static bool is_sanyo_2_5_lcd; /* * Disable all display connectors on the interface module. @@ -614,7 +495,7 @@ static void versatile_clcd_disable(struct clcd_fb *fb) /* * If the LCD is Sanyo 2x5 in on the IB2 board, turn the back-light off */ - if (machine_is_versatile_ab() && fb->panel == &sanyo_2_5_in) { + if (machine_is_versatile_ab() && is_sanyo_2_5_lcd) { void __iomem *versatile_ib2_ctrl = __io_address(VERSATILE_IB2_CTRL); unsigned long ctrl; @@ -667,7 +548,7 @@ static void versatile_clcd_enable(struct clcd_fb *fb) /* * If the LCD is Sanyo 2x5 in on the IB2 board, turn the back-light on */ - if (machine_is_versatile_ab() && fb->panel == &sanyo_2_5_in) { + if (machine_is_versatile_ab() && is_sanyo_2_5_lcd) { void __iomem *versatile_ib2_ctrl = __io_address(VERSATILE_IB2_CTRL); unsigned long ctrl; @@ -678,39 +559,41 @@ static void versatile_clcd_enable(struct clcd_fb *fb) #endif } -static unsigned long framesize = SZ_1M; - +/* + * Detect which LCD panel is connected, and return the appropriate + * clcd_panel structure. Note: we do not have any information on + * the required timings for the 8.4in panel, so we presently assume + * VGA timings. + */ static int versatile_clcd_setup(struct clcd_fb *fb) { - dma_addr_t dma; + void __iomem *sys_clcd = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_CLCD_OFFSET; + const char *panel_name; + u32 val; - fb->panel = versatile_clcd_panel(); + is_sanyo_2_5_lcd = false; - fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev, framesize, - &dma, GFP_KERNEL); - if (!fb->fb.screen_base) { - printk(KERN_ERR "CLCD: unable to map framebuffer\n"); - return -ENOMEM; + val = readl(sys_clcd) & SYS_CLCD_ID_MASK; + if (val == SYS_CLCD_ID_SANYO_3_8) + panel_name = "Sanyo TM38QV67A02A"; + else if (val == SYS_CLCD_ID_SANYO_2_5) { + panel_name = "Sanyo QVGA Portrait"; + is_sanyo_2_5_lcd = true; + } else if (val == SYS_CLCD_ID_EPSON_2_2) + panel_name = "Epson L2F50113T00"; + else if (val == SYS_CLCD_ID_VGA) + panel_name = "VGA"; + else { + printk(KERN_ERR "CLCD: unknown LCD panel ID 0x%08x, using VGA\n", + val); + panel_name = "VGA"; } - fb->fb.fix.smem_start = dma; - fb->fb.fix.smem_len = framesize; + fb->panel = versatile_clcd_get_panel(panel_name); + if (!fb->panel) + return -EINVAL; - return 0; -} - -static int versatile_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma) -{ - return dma_mmap_writecombine(&fb->dev->dev, vma, - fb->fb.screen_base, - fb->fb.fix.smem_start, - fb->fb.fix.smem_len); -} - -static void versatile_clcd_remove(struct clcd_fb *fb) -{ - dma_free_writecombine(&fb->dev->dev, fb->fb.fix.smem_len, - fb->fb.screen_base, fb->fb.fix.smem_start); + return versatile_clcd_setup_dma(fb, SZ_1M); } static void versatile_clcd_decode(struct clcd_fb *fb, struct clcd_regs *regs) @@ -724,13 +607,14 @@ static void versatile_clcd_decode(struct clcd_fb *fb, struct clcd_regs *regs) static struct clcd_board clcd_plat_data = { .name = "Versatile", + .caps = CLCD_CAP_5551 | CLCD_CAP_565 | CLCD_CAP_888, .check = clcdfb_check, .decode = versatile_clcd_decode, .disable = versatile_clcd_disable, .enable = versatile_clcd_enable, .setup = versatile_clcd_setup, - .mmap = versatile_clcd_mmap, - .remove = versatile_clcd_remove, + .mmap = versatile_clcd_mmap_dma, + .remove = versatile_clcd_remove_dma, }; static struct pl061_platform_data gpio0_plat_data = { -- cgit v1.2.3 From ad3bb19c5bd17cebe8e9a97dc0b53e274a05f23b Mon Sep 17 00:00:00 2001 From: Russell King Date: Tue, 11 Jan 2011 12:55:38 +0000 Subject: ARM: versatile: use new init_early for clock tree and sched_clock init Initialize the clock tree and our sched_clock() early. Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/mach-versatile/core.c | 23 +++++++++++------------ arch/arm/mach-versatile/core.h | 1 + arch/arm/mach-versatile/versatile_ab.c | 1 + arch/arm/mach-versatile/versatile_pb.c | 1 + 4 files changed, 14 insertions(+), 12 deletions(-) (limited to 'arch/arm/mach-versatile') diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index b4f1f17eeb8d..606e046905e3 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -762,14 +762,21 @@ static void versatile_leds_event(led_event_t ledevt) } #endif /* CONFIG_LEDS */ -void __init versatile_init(void) +/* Early initializations */ +void __init versatile_init_early(void) { - int i; - - osc4_clk.vcoreg = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_OSCCLCD_OFFSET; + void __iomem *sys = __io_address(VERSATILE_SYS_BASE); + osc4_clk.vcoreg = sys + VERSATILE_SYS_OSCCLCD_OFFSET; clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + versatile_sched_clock_init(sys + VERSATILE_SYS_24MHz_OFFSET, 24000000); +} + +void __init versatile_init(void) +{ + int i; + platform_device_register(&versatile_flash_device); platform_device_register(&versatile_i2c_device); platform_device_register(&smc91x_device); @@ -785,12 +792,6 @@ void __init versatile_init(void) #endif } -/* - * The sched_clock counter - */ -#define REFCOUNTER (__io_address(VERSATILE_SYS_BASE) + \ - VERSATILE_SYS_24MHz_OFFSET) - /* * Where is the timer (VA)? */ @@ -806,8 +807,6 @@ static void __init versatile_timer_init(void) { u32 val; - versatile_sched_clock_init(REFCOUNTER, 24000000); - /* * set clock frequency: * VERSATILE_REFCLK is 32KHz diff --git a/arch/arm/mach-versatile/core.h b/arch/arm/mach-versatile/core.h index 9d39886a8351..e04768a6c5dc 100644 --- a/arch/arm/mach-versatile/core.h +++ b/arch/arm/mach-versatile/core.h @@ -25,6 +25,7 @@ #include extern void __init versatile_init(void); +extern void __init versatile_init_early(void); extern void __init versatile_init_irq(void); extern void __init versatile_map_io(void); extern struct sys_timer versatile_timer; diff --git a/arch/arm/mach-versatile/versatile_ab.c b/arch/arm/mach-versatile/versatile_ab.c index aa9730fb13bf..f8ae64b3eed0 100644 --- a/arch/arm/mach-versatile/versatile_ab.c +++ b/arch/arm/mach-versatile/versatile_ab.c @@ -37,6 +37,7 @@ MACHINE_START(VERSATILE_AB, "ARM-Versatile AB") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ .boot_params = 0x00000100, .map_io = versatile_map_io, + .init_early = versatile_init_early, .init_irq = versatile_init_irq, .timer = &versatile_timer, .init_machine = versatile_init, diff --git a/arch/arm/mach-versatile/versatile_pb.c b/arch/arm/mach-versatile/versatile_pb.c index bf469642a3f8..97fb30691c47 100644 --- a/arch/arm/mach-versatile/versatile_pb.c +++ b/arch/arm/mach-versatile/versatile_pb.c @@ -110,6 +110,7 @@ MACHINE_START(VERSATILE_PB, "ARM-Versatile PB") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ .boot_params = 0x00000100, .map_io = versatile_map_io, + .init_early = versatile_init_early, .init_irq = versatile_init_irq, .timer = &versatile_timer, .init_machine = versatile_pb_init, -- cgit v1.2.3 From 5e4b822f298b49d2940e09c31695a64417a836b9 Mon Sep 17 00:00:00 2001 From: Russell King Date: Tue, 18 Jan 2011 19:47:40 +0000 Subject: ARM: versatile: remove old AMBA device DMA definitions The AMBA DMA macro definitions are not used, and the AMBA Primecell DMA support makes no use of them either, so they can be removed. Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/mach-versatile/core.c | 18 ------------------ arch/arm/mach-versatile/core.h | 1 - arch/arm/mach-versatile/versatile_pb.c | 5 ----- 3 files changed, 24 deletions(-) (limited to 'arch/arm/mach-versatile') diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 606e046905e3..630a1c96f90b 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -634,53 +634,35 @@ static struct pl022_ssp_controller ssp0_plat_data = { }; #define AACI_IRQ { IRQ_AACI, NO_IRQ } -#define AACI_DMA { 0x80, 0x81 } #define MMCI0_IRQ { IRQ_MMCI0A,IRQ_SIC_MMCI0B } -#define MMCI0_DMA { 0x84, 0 } #define KMI0_IRQ { IRQ_SIC_KMI0, NO_IRQ } -#define KMI0_DMA { 0, 0 } #define KMI1_IRQ { IRQ_SIC_KMI1, NO_IRQ } -#define KMI1_DMA { 0, 0 } /* * These devices are connected directly to the multi-layer AHB switch */ #define SMC_IRQ { NO_IRQ, NO_IRQ } -#define SMC_DMA { 0, 0 } #define MPMC_IRQ { NO_IRQ, NO_IRQ } -#define MPMC_DMA { 0, 0 } #define CLCD_IRQ { IRQ_CLCDINT, NO_IRQ } -#define CLCD_DMA { 0, 0 } #define DMAC_IRQ { IRQ_DMAINT, NO_IRQ } -#define DMAC_DMA { 0, 0 } /* * These devices are connected via the core APB bridge */ #define SCTL_IRQ { NO_IRQ, NO_IRQ } -#define SCTL_DMA { 0, 0 } #define WATCHDOG_IRQ { IRQ_WDOGINT, NO_IRQ } -#define WATCHDOG_DMA { 0, 0 } #define GPIO0_IRQ { IRQ_GPIOINT0, NO_IRQ } -#define GPIO0_DMA { 0, 0 } #define GPIO1_IRQ { IRQ_GPIOINT1, NO_IRQ } -#define GPIO1_DMA { 0, 0 } #define RTC_IRQ { IRQ_RTCINT, NO_IRQ } -#define RTC_DMA { 0, 0 } /* * These devices are connected via the DMA APB bridge */ #define SCI_IRQ { IRQ_SCIINT, NO_IRQ } -#define SCI_DMA { 7, 6 } #define UART0_IRQ { IRQ_UARTINT0, NO_IRQ } -#define UART0_DMA { 15, 14 } #define UART1_IRQ { IRQ_UARTINT1, NO_IRQ } -#define UART1_DMA { 13, 12 } #define UART2_IRQ { IRQ_UARTINT2, NO_IRQ } -#define UART2_DMA { 11, 10 } #define SSP_IRQ { IRQ_SSPINT, NO_IRQ } -#define SSP_DMA { 9, 8 } /* FPGA Primecells */ AMBA_DEVICE(aaci, "fpga:04", AACI, NULL); diff --git a/arch/arm/mach-versatile/core.h b/arch/arm/mach-versatile/core.h index e04768a6c5dc..fd6404e5d788 100644 --- a/arch/arm/mach-versatile/core.h +++ b/arch/arm/mach-versatile/core.h @@ -45,7 +45,6 @@ static struct amba_device name##_device = { \ }, \ .dma_mask = ~0, \ .irq = base##_IRQ, \ - /* .dma = base##_DMA,*/ \ } #endif diff --git a/arch/arm/mach-versatile/versatile_pb.c b/arch/arm/mach-versatile/versatile_pb.c index 97fb30691c47..37c23dfeefb7 100644 --- a/arch/arm/mach-versatile/versatile_pb.c +++ b/arch/arm/mach-versatile/versatile_pb.c @@ -59,19 +59,14 @@ static struct pl061_platform_data gpio3_plat_data = { }; #define UART3_IRQ { IRQ_SIC_UART3, NO_IRQ } -#define UART3_DMA { 0x86, 0x87 } #define SCI1_IRQ { IRQ_SIC_SCI3, NO_IRQ } -#define SCI1_DMA { 0x88, 0x89 } #define MMCI1_IRQ { IRQ_MMCI1A, IRQ_SIC_MMCI1B } -#define MMCI1_DMA { 0x85, 0 } /* * These devices are connected via the core APB bridge */ #define GPIO2_IRQ { IRQ_GPIOINT2, NO_IRQ } -#define GPIO2_DMA { 0, 0 } #define GPIO3_IRQ { IRQ_GPIOINT3, NO_IRQ } -#define GPIO3_DMA { 0, 0 } /* * These devices are connected via the DMA APB bridge -- cgit v1.2.3 From c41b16f8c9d9dc74ed5669d4a3e3d42374c9e609 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 19 Jan 2011 15:32:15 +0000 Subject: ARM: integrator/versatile: consolidate FPGA IRQ handling code Consolidate the FPGA IRQ handling code. Integrator/AP and Versatile have one FPGA-based IRQ handler each. Integrator/CP has three. Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/mach-versatile/core.c | 57 +++---------------------- arch/arm/mach-versatile/include/mach/hardware.h | 2 +- 2 files changed, 7 insertions(+), 52 deletions(-) (limited to 'arch/arm/mach-versatile') diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 630a1c96f90b..eb7ffa0ee8b5 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -51,6 +51,7 @@ #include #include +#include #include #include "core.h" @@ -64,47 +65,12 @@ #define VA_VIC_BASE __io_address(VERSATILE_VIC_BASE) #define VA_SIC_BASE __io_address(VERSATILE_SIC_BASE) -static void sic_mask_irq(struct irq_data *d) -{ - unsigned int irq = d->irq - IRQ_SIC_START; - - writel(1 << irq, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR); -} - -static void sic_unmask_irq(struct irq_data *d) -{ - unsigned int irq = d->irq - IRQ_SIC_START; - - writel(1 << irq, VA_SIC_BASE + SIC_IRQ_ENABLE_SET); -} - -static struct irq_chip sic_chip = { - .name = "SIC", - .irq_ack = sic_mask_irq, - .irq_mask = sic_mask_irq, - .irq_unmask = sic_unmask_irq, +static struct fpga_irq_data sic_irq = { + .base = VA_SIC_BASE, + .irq_start = IRQ_SIC_START, + .chip.name = "SIC", }; -static void -sic_handle_irq(unsigned int irq, struct irq_desc *desc) -{ - unsigned long status = readl(VA_SIC_BASE + SIC_IRQ_STATUS); - - if (status == 0) { - do_bad_IRQ(irq, desc); - return; - } - - do { - irq = ffs(status) - 1; - status &= ~(1 << irq); - - irq += IRQ_SIC_START; - - generic_handle_irq(irq); - } while (status); -} - #if 1 #define IRQ_MMCI0A IRQ_VICSOURCE22 #define IRQ_AACI IRQ_VICSOURCE24 @@ -119,22 +85,11 @@ sic_handle_irq(unsigned int irq, struct irq_desc *desc) void __init versatile_init_irq(void) { - unsigned int i; - vic_init(VA_VIC_BASE, IRQ_VIC_START, ~0, 0); - set_irq_chained_handler(IRQ_VICSOURCE31, sic_handle_irq); - - /* Do second interrupt controller */ writel(~0, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR); - for (i = IRQ_SIC_START; i <= IRQ_SIC_END; i++) { - if ((PIC_MASK & (1 << (i - IRQ_SIC_START))) == 0) { - set_irq_chip(i, &sic_chip); - set_irq_handler(i, handle_level_irq); - set_irq_flags(i, IRQF_VALID | IRQF_PROBE); - } - } + fpga_irq_init(IRQ_VICSOURCE31, ~PIC_MASK, &sic_irq); /* * Interrupts on secondary controller from 0 to 8 are routed to diff --git a/arch/arm/mach-versatile/include/mach/hardware.h b/arch/arm/mach-versatile/include/mach/hardware.h index b5e75bb44965..6911e1f5f156 100644 --- a/arch/arm/mach-versatile/include/mach/hardware.h +++ b/arch/arm/mach-versatile/include/mach/hardware.h @@ -39,6 +39,6 @@ /* macro to get at IO space when running virtually */ #define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000) -#define __io_address(n) __io(IO_ADDRESS(n)) +#define __io_address(n) ((void __iomem __force *)IO_ADDRESS(n)) #endif -- cgit v1.2.3