The problem described in 6befda9a272b98bfb1dc772efc3564644cbfb270
for the i.MX53 platform applies to i.MX25 as well.
E.g. CSPI1+SDMA and SSI1+SDMA are not working with the default AIPS
configuration. Modifiy the AIPS configuration to allow access to the bus
by SDMA and peripherals.
Signed-off-by: Martin Kaiser <martin@xxxxxxxxx>
---
arch/arm/mach-imx/mach-imx25.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/mach-imx/mach-imx25.c b/arch/arm/mach-imx/mach-imx25.c
index 32dcb5e..353b86e 100644
--- a/arch/arm/mach-imx/mach-imx25.c
+++ b/arch/arm/mach-imx/mach-imx25.c
@@ -23,6 +23,11 @@ static void __init imx25_init_early(void)
mxc_set_cpu_type(MXC_CPU_MX25);
}
+static void __init imx25_dt_init(void)
+{
+ imx_aips_allow_unprivileged_access("fsl,imx25-aips");
+}
+
static void __init mx25_init_irq(void)
{
struct device_node *np;
@@ -41,6 +46,7 @@ static const char * const imx25_dt_board_compat[] __initconst = {
DT_MACHINE_START(IMX25_DT, "Freescale i.MX25 (Device Tree Support)")
.init_early = imx25_init_early,
+ .init_machine = imx25_dt_init,
.init_late = imx25_pm_init,
.init_irq = mx25_init_irq,
.dt_compat = imx25_dt_board_compat,
--
2.1.4
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