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authorAnatolij Gustschin <agust@denx.de>2010-07-23 04:00:37 +0000
committerGrant Likely <grant.likely@secretlab.ca>2010-08-01 17:06:44 -0600
commit4b5006ec7bb73cd9d4c8a723d484b4c87fad4123 (patch)
tree9c7e494c106eb835a377cff3ba8d827534e37be8 /arch/powerpc/platforms/512x/mpc5121_ads.c
parent0814a979a64a5ae61c7567496d090e204ecabd2b (diff)
downloadop-kernel-dev-4b5006ec7bb73cd9d4c8a723d484b4c87fad4123.zip
op-kernel-dev-4b5006ec7bb73cd9d4c8a723d484b4c87fad4123.tar.gz
powerpc/5121: shared DIU framebuffer support
MPC5121 DIU configuration/setup as initialized by the boot loader currently will get lost while booting Linux. As a result displaying the boot splash is not possible through the boot process. To prevent this we reserve configured DIU frame buffer address range while booting and preserve AOI descriptor and gamma table so that DIU continues displaying through the whole boot process. On first open from user space DIU frame buffer driver releases the reserved frame buffer area and continues to operate as usual. Signed-off-by: John Rigby <jcrigby@gmail.com> Signed-off-by: Anatolij Gustschin <agust@denx.de> Acked-by: Timur Tabi <timur@freescale.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/powerpc/platforms/512x/mpc5121_ads.c')
-rw-r--r--arch/powerpc/platforms/512x/mpc5121_ads.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c
index ee6ae12..dcef6ad 100644
--- a/arch/powerpc/platforms/512x/mpc5121_ads.c
+++ b/arch/powerpc/platforms/512x/mpc5121_ads.c
@@ -42,6 +42,7 @@ static void __init mpc5121_ads_setup_arch(void)
for_each_compatible_node(np, "pci", "fsl,mpc5121-pci")
mpc83xx_add_bridge(np);
#endif
+ mpc512x_setup_diu();
}
static void __init mpc5121_ads_init_IRQ(void)
@@ -65,6 +66,7 @@ define_machine(mpc5121_ads) {
.probe = mpc5121_ads_probe,
.setup_arch = mpc5121_ads_setup_arch,
.init = mpc512x_init,
+ .init_early = mpc512x_init_diu,
.init_IRQ = mpc5121_ads_init_IRQ,
.get_irq = ipic_get_irq,
.calibrate_decr = generic_calibrate_decr,
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