diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/mach-imx/sys_proto.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-imx/mx6/soc.c | 17 |
2 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mach-imx/sys_proto.h b/arch/arm/include/asm/mach-imx/sys_proto.h index d94c095118..970c4ca760 100644 --- a/arch/arm/include/asm/mach-imx/sys_proto.h +++ b/arch/arm/include/asm/mach-imx/sys_proto.h @@ -90,6 +90,8 @@ static inline u8 imx6_is_bmode_from_gpr9(void) } u32 imx6_src_get_boot_mode(void); +void gpr_init(void); + #endif /* CONFIG_MX6 */ u32 get_nr_cpus(void); diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c index 9ede1f5435..f8bc05e68b 100644 --- a/arch/arm/mach-imx/mx6/soc.c +++ b/arch/arm/mach-imx/mx6/soc.c @@ -681,6 +681,23 @@ void imx_setup_hdmi(void) } #endif +void gpr_init(void) +{ + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + + /* enable AXI cache for VDOA/VPU/IPU */ + writel(0xF00000CF, &iomux->gpr[4]); + if (is_mx6dqp()) { + /* set IPU AXI-id1 Qos=0x1 AXI-id0/2/3 Qos=0x7 */ + writel(0x77177717, &iomux->gpr[6]); + writel(0x77177717, &iomux->gpr[7]); + } else { + /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */ + writel(0x007F007F, &iomux->gpr[6]); + writel(0x007F007F, &iomux->gpr[7]); + } +} + #ifdef CONFIG_IMX_BOOTAUX int arch_auxiliary_core_up(u32 core_id, u32 boot_private_data) { |