unicore32 machine related: add frame buffer driver for pkunity-v3 soc

change from original version -- by advice of Paul Mundt
1. remove videomemorysize definitions
2. remove unifb_enable and unifb_setup
3. use dev_warn instead of printk in fb driver
4. remove judgement for FB_ACCEL_PUV3_UNIGFX
5. adjust clk_get and clk_set_rate calls
6. add resources definitions
7. remove unifb_option
8. adjust register for platform_device
9. adjust unifb_ops position and unifb_regs assignment position

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 15 insertions, 0 deletions

diff --git a/arch/unicore32/kernel/puv3-core.c b/arch/unicore32/kernel/puv3-core.c
index 6edf928a106..7d10e7b07c2 100644
--- a/arch/unicore32/kernel/puv3-core.c
+++ b/arch/unicore32/kernel/puv3-core.c
@@ -93,6 +93,19 @@ static struct resource puv3_mmc_resources[] = {
         },
 };
 
+static struct resource puv3_unigfx_resources[] = {
+        [0] = {
+                .start  = PKUNITY_UNIGFX_BASE,
+                .end    = PKUNITY_UNIGFX_BASE + 0xfff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = PKUNITY_UNIGFX_MMAP_BASE,
+                .end    = PKUNITY_UNIGFX_MMAP_BASE + PKUNITY_UNIGFX_MMAP_SIZE,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
 static struct resource puv3_rtc_resources[] = {
         [0] = {
                 .start = PKUNITY_RTC_BASE,
@@ -256,6 +269,8 @@ void __init puv3_core_init(void)
                         puv3_umal_resources, ARRAY_SIZE(puv3_umal_resources));
         platform_device_register_simple("PKUnity-v3-MMC", -1,
                         puv3_mmc_resources, ARRAY_SIZE(puv3_mmc_resources));
+        platform_device_register_simple("PKUnity-v3-UNIGFX", -1,
+                        puv3_unigfx_resources, ARRAY_SIZE(puv3_unigfx_resources));
         platform_device_register_simple("PKUnity-v3-PWM", -1,
                         puv3_pwm_resources, ARRAY_SIZE(puv3_pwm_resources));
         platform_device_register_simple("PKUnity-v3-UART", 0,