[PATCH RFT 2/2] ARM: i.MX6: configure AIPS3 for i.MX6ULL/i.MX6SX
Ahmad Fatoum
a.fatoum at pengutronix.de
Thu Mar 3 06:42:46 PST 2022
UltraLiteLite and SoloX both have an AIPS3, which has e.g. RNGB on it.
COnfigure that likewise to AIPS1 and AIPS2.
Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
Untested on actual HW.
---
arch/arm/mach-imx/imx6.c | 5 +++++
arch/arm/mach-imx/include/mach/imx6-regs.h | 10 ++++++++++
2 files changed, 15 insertions(+)
diff --git a/arch/arm/mach-imx/imx6.c b/arch/arm/mach-imx/imx6.c
index 256288b25a88..7bd29446e927 100644
--- a/arch/arm/mach-imx/imx6.c
+++ b/arch/arm/mach-imx/imx6.c
@@ -56,6 +56,9 @@ static void imx6_init_lowlevel(void)
{
bool is_imx6q = __imx6_cpu_type() == IMX6_CPUTYPE_IMX6Q;
bool is_imx6d = __imx6_cpu_type() == IMX6_CPUTYPE_IMX6D;
+ bool is_imx6ull = __imx6_cpu_type() == IMX6_CPUTYPE_IMX6ULL;
+ bool is_imx6sx = __imx6_cpu_type() == IMX6_CPUTYPE_IMX6SX;
+
uint32_t val_480;
uint32_t val_528;
uint32_t periph_sel_1;
@@ -72,6 +75,8 @@ static void imx6_init_lowlevel(void)
imx6_configure_aips(IOMEM(MX6_AIPS1_ON_BASE_ADDR));
imx6_configure_aips(IOMEM(MX6_AIPS2_ON_BASE_ADDR));
+ if (is_imx6ull || is_imx6sx)
+ imx6_configure_aips(IOMEM(MX6_AIPS3_ON_BASE_ADDR));
/* Due to hardware limitation, on MX6Q we need to gate/ungate all PFDs
* to make sure PFD is working right, otherwise, PFDs may
diff --git a/arch/arm/mach-imx/include/mach/imx6-regs.h b/arch/arm/mach-imx/include/mach/imx6-regs.h
index b2753b0fa7dd..35f03036cb5b 100644
--- a/arch/arm/mach-imx/include/mach/imx6-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx6-regs.h
@@ -11,9 +11,13 @@
#define MX6_AIPS1_ARB_BASE_ADDR 0x02000000
#define MX6_AIPS2_ARB_BASE_ADDR 0x02100000
+#define MX6_AIPS3_ARB_BASE_ADDR 0x02200000
+#define MX6_AIPS3_ARB_END_ADDR 0x022FFFFF
+
/* Defines for Blocks connected via AIPS (SkyBlue) */
#define MX6_ATZ1_BASE_ADDR MX6_AIPS1_ARB_BASE_ADDR
#define MX6_ATZ2_BASE_ADDR MX6_AIPS2_ARB_BASE_ADDR
+#define MX6_ATZ3_BASE_ADDR MX6_AIPS3_ARB_BASE_ADDR
/* slots 0,7 of SDMA reserved, therefore left unused in IPMUX3 */
#define MX6_SPDIF_BASE_ADDR (MX6_ATZ1_BASE_ADDR + 0x04000)
@@ -81,6 +85,12 @@
#define MX6_CAAM_BASE_ADDR (MX6_ATZ2_BASE_ADDR)
#define MX6_ARM_BASE_ADDR (MX6_ATZ2_BASE_ADDR + 0x40000)
+/* ATZ#3- On Platform */
+#define MX6_AIPS3_ON_BASE_ADDR (MX6_ATZ3_BASE_ADDR + 0x7C000)
+
+/* ATZ#2- Off Platform */
+#define MX6_AIPS3_OFF_BASE_ADDR (MX6_ATZ3_BASE_ADDR + 0x80000)
+
#define MX6_USBOH3_PL301_BASE_ADDR (MX6_AIPS2_OFF_BASE_ADDR + 0x0000)
#define MX6_USBOH3_USB_BASE_ADDR (MX6_AIPS2_OFF_BASE_ADDR + 0x4000)
#define MX6_OTG_BASE_ADDR MX6_USBOH3_USB_BASE_ADDR
--
2.30.2
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