diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9261_devices.c | 11 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91sam9rl_devices.c | 14 |
2 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index 37cd547855b1..728bb8f39441 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -539,6 +539,17 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) at91_set_B_periph(AT91_PIN_PB28, 0); /* LCDD23 */ #endif + if (ARRAY_SIZE(lcdc_resources) > 2) { + void __iomem *fb; + struct resource *fb_res = &lcdc_resources[2]; + size_t fb_len = fb_res->end - fb_res->start + 1; + + fb = ioremap_writecombine(fb_res->start, fb_len); + if (fb) { + memset(fb, 0, fb_len); + iounmap(fb, fb_len); + } + } lcdc_data = *data; platform_device_register(&at91_lcdc_device); } diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index dbb9a5fc2090..054689804e77 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -381,6 +381,20 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) at91_set_B_periph(AT91_PIN_PC24, 0); /* LCDD22 */ at91_set_B_periph(AT91_PIN_PC25, 0); /* LCDD23 */ +#ifdef CONFIG_FB_INTSRAM + { + void __iomem *fb; + struct resource *fb_res = &lcdc_resources[2]; + size_t fb_len = fb_res->end - fb_res->start + 1; + + fb = ioremap_writecombine(fb_res->start, fb_len); + if (fb) { + memset(fb, 0, fb_len); + iounmap(fb, fb_len); + } + } +#endif + lcdc_data = *data; platform_device_register(&at91_lcdc_device); } |