Merge branch 'clockevents/fixes' of git://git.linaro.org/people/daniel.lezcano/linux...

[linux-drm-fsl-dcu.git] / drivers / video / offb.c

diff --git a/drivers/video/offb.c b/drivers/video/offb.c
index 9dbea22234015b39845410dd1e651d61e06beb55..7d44d669d5b6decc8f986de2be5a120d408efb3a 100644 (file)
--- a/drivers/video/offb.c
+++ b/drivers/video/offb.c
@@ -91,6 +91,15 @@ extern boot_infos_t *boot_infos;
 #define AVIVO_DC_LUTB_WHITE_OFFSET_GREEN        0x6cd4
 #define AVIVO_DC_LUTB_WHITE_OFFSET_RED          0x6cd8
 
+#define FB_RIGHT_POS(p, bpp)         (fb_be_math(p) ? 0 : (32 - (bpp)))
+
+static inline u32 offb_cmap_byteswap(struct fb_info *info, u32 value)
+{
+       u32 bpp = info->var.bits_per_pixel;
+
+       return cpu_to_be32(value) >> FB_RIGHT_POS(info, bpp);
+}
+
     /*
      *  Set a single color register. The values supplied are already
      *  rounded down to the hardware's capabilities (according to the
@@ -120,7 +129,7 @@ static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
                        mask <<= info->var.transp.offset;
                        value |= mask;
                }
-               pal[regno] = value;
+               pal[regno] = offb_cmap_byteswap(info, value);
                return 0;
        }
 
@@ -301,7 +310,7 @@ static struct fb_ops offb_ops = {
 static void __iomem *offb_map_reg(struct device_node *np, int index,
                                  unsigned long offset, unsigned long size)
 {
-       const u32 *addrp;
+       const __be32 *addrp;
        u64 asize, taddr;
        unsigned int flags;
 
@@ -369,7 +378,11 @@ static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp
                }
                of_node_put(pciparent);
        } else if (dp && of_device_is_compatible(dp, "qemu,std-vga")) {
-               const u32 io_of_addr[3] = { 0x01000000, 0x0, 0x0 };
+#ifdef __BIG_ENDIAN
+               const __be32 io_of_addr[3] = { 0x01000000, 0x0, 0x0 };
+#else
+               const __be32 io_of_addr[3] = { 0x00000001, 0x0, 0x0 };
+#endif
                u64 io_addr = of_translate_address(dp, io_of_addr);
                if (io_addr != OF_BAD_ADDR) {
                        par->cmap_adr = ioremap(io_addr + 0x3c8, 2);
@@ -535,7 +548,7 @@ static void __init offb_init_nodriver(struct device_node *dp, int no_real_node)
        unsigned int flags, rsize, addr_prop = 0;
        unsigned long max_size = 0;
        u64 rstart, address = OF_BAD_ADDR;
-       const u32 *pp, *addrp, *up;
+       const __be32 *pp, *addrp, *up;
        u64 asize;
        int foreign_endian = 0;
 
@@ -551,25 +564,25 @@ static void __init offb_init_nodriver(struct device_node *dp, int no_real_node)
        if (pp == NULL)
                pp = of_get_property(dp, "depth", &len);
        if (pp && len == sizeof(u32))
-               depth = *pp;
+               depth = be32_to_cpup(pp);
 
        pp = of_get_property(dp, "linux,bootx-width", &len);
        if (pp == NULL)
                pp = of_get_property(dp, "width", &len);
        if (pp && len == sizeof(u32))
-               width = *pp;
+               width = be32_to_cpup(pp);
 
        pp = of_get_property(dp, "linux,bootx-height", &len);
        if (pp == NULL)
                pp = of_get_property(dp, "height", &len);
        if (pp && len == sizeof(u32))
-               height = *pp;
+               height = be32_to_cpup(pp);
 
        pp = of_get_property(dp, "linux,bootx-linebytes", &len);
        if (pp == NULL)
                pp = of_get_property(dp, "linebytes", &len);
        if (pp && len == sizeof(u32) && (*pp != 0xffffffffu))
-               pitch = *pp;
+               pitch = be32_to_cpup(pp);
        else
                pitch = width * ((depth + 7) / 8);