Move all of the common clock ungating code in early UART
initialization into a dedicated subroutine that can be shared by all
of the users.
Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com>
---
arch/arm/boards/freescale-mx6sx-sabresdb/lowlevel.c | 9 +--------
arch/arm/boards/karo-tx6x/lowlevel.c | 10 +---------
arch/arm/boards/phytec-phycard-imx6/lowlevel.c | 10 +---------
arch/arm/boards/phytec-phyflex-imx6/lowlevel.c | 10 +---------
arch/arm/boards/variscite-mx6/lowlevel.c | 10 +---------
arch/arm/mach-imx/include/mach/debug_ll.h | 17 +++++++++++++++++
6 files changed, 22 insertions(+), 44 deletions(-)
diff --git a/arch/arm/boards/freescale-mx6sx-sabresdb/lowlevel.c
b/arch/arm/boards/freescale-mx6sx-sabresdb/lowlevel.c
index a8d16cb..fd154df 100644
--- a/arch/arm/boards/freescale-mx6sx-sabresdb/lowlevel.c
+++ b/arch/arm/boards/freescale-mx6sx-sabresdb/lowlevel.c
@@ -21,16 +21,9 @@
static inline void setup_uart(void)
{
- void __iomem *ccmbase = (void *)MX6_CCM_BASE_ADDR;
void __iomem *iomuxbase = (void *)MX6_IOMUXC_BASE_ADDR;
- writel(0xffffffff, ccmbase + 0x68);
- writel(0xffffffff, ccmbase + 0x6c);
- writel(0xffffffff, ccmbase + 0x70);
- writel(0xffffffff, ccmbase + 0x74);
- writel(0xffffffff, ccmbase + 0x78);
- writel(0xffffffff, ccmbase + 0x7c);
- writel(0xffffffff, ccmbase + 0x80);
+ ungate_all_peripherals();
writel(0x0, iomuxbase + 0x24);
writel(0x1b0b1, iomuxbase + 0x036C);
diff --git a/arch/arm/boards/karo-tx6x/lowlevel.c
b/arch/arm/boards/karo-tx6x/lowlevel.c
index 3f9fb23..d7087f5 100644
--- a/arch/arm/boards/karo-tx6x/lowlevel.c
+++ b/arch/arm/boards/karo-tx6x/lowlevel.c
@@ -22,7 +22,6 @@
static inline void setup_uart(void)
{
- void __iomem *ccmbase = (void *)MX6_CCM_BASE_ADDR;
void __iomem *iomuxbase = (void *)MX6_IOMUXC_BASE_ADDR;
writel(0x1, iomuxbase + 0x0314);
@@ -30,14 +29,7 @@ static inline void setup_uart(void)
writel(0x1, iomuxbase + 0x0330);
writel(0x1, iomuxbase + 0x032c);
- writel(0xffffffff, ccmbase + 0x68);
- writel(0xffffffff, ccmbase + 0x6c);
- writel(0xffffffff, ccmbase + 0x70);
- writel(0xffffffff, ccmbase + 0x74);
- writel(0xffffffff, ccmbase + 0x78);
- writel(0xffffffff, ccmbase + 0x7c);
- writel(0xffffffff, ccmbase + 0x80);
-
+ ungate_all_peripherals();
setup_uart_ll();
putc_ll('>');
diff --git a/arch/arm/boards/phytec-phycard-imx6/lowlevel.c
b/arch/arm/boards/phytec-phycard-imx6/lowlevel.c
index 1d48818..c8306ec 100644
--- a/arch/arm/boards/phytec-phycard-imx6/lowlevel.c
+++ b/arch/arm/boards/phytec-phycard-imx6/lowlevel.c
@@ -26,19 +26,11 @@
static inline void setup_uart(void)
{
- void __iomem *ccmbase = IOMEM(MX6_CCM_BASE_ADDR);
void __iomem *iomuxbase = IOMEM(MX6_IOMUXC_BASE_ADDR);
writel(0x4, iomuxbase + 0x01f8);
- writel(0xffffffff, ccmbase + 0x68);
- writel(0xffffffff, ccmbase + 0x6c);
- writel(0xffffffff, ccmbase + 0x70);
- writel(0xffffffff, ccmbase + 0x74);
- writel(0xffffffff, ccmbase + 0x78);
- writel(0xffffffff, ccmbase + 0x7c);
- writel(0xffffffff, ccmbase + 0x80);
-
+ ungate_all_peripherals();
setup_uart_ll();
putc_ll('>');
diff --git a/arch/arm/boards/phytec-phyflex-imx6/lowlevel.c
b/arch/arm/boards/phytec-phyflex-imx6/lowlevel.c
index 367d4dc..46f788c 100644
--- a/arch/arm/boards/phytec-phyflex-imx6/lowlevel.c
+++ b/arch/arm/boards/phytec-phyflex-imx6/lowlevel.c
@@ -27,19 +27,11 @@
static inline void setup_uart(void)
{
- void __iomem *ccmbase = (void *)MX6_CCM_BASE_ADDR;
void __iomem *iomuxbase = (void *)MX6_IOMUXC_BASE_ADDR;
writel(0x4, iomuxbase + 0x01f8);
- writel(0xffffffff, ccmbase + 0x68);
- writel(0xffffffff, ccmbase + 0x6c);
- writel(0xffffffff, ccmbase + 0x70);
- writel(0xffffffff, ccmbase + 0x74);
- writel(0xffffffff, ccmbase + 0x78);
- writel(0xffffffff, ccmbase + 0x7c);
- writel(0xffffffff, ccmbase + 0x80);
-
+ ungate_all_peripherals();
setup_uart_ll();
putc_ll('>');
diff --git a/arch/arm/boards/variscite-mx6/lowlevel.c
b/arch/arm/boards/variscite-mx6/lowlevel.c
index b0ab424..01878e6 100644
--- a/arch/arm/boards/variscite-mx6/lowlevel.c
+++ b/arch/arm/boards/variscite-mx6/lowlevel.c
@@ -28,20 +28,12 @@
static inline void setup_uart(void)
{
- void __iomem *ccmbase = (void *)MX6_CCM_BASE_ADDR;
void __iomem *iomuxbase = (void *)MX6_IOMUXC_BASE_ADDR;
writel(0x03, iomuxbase + 0x0280);
writel(0x03, iomuxbase + 0x0284);
- writel(0xffffffff, ccmbase + 0x68);
- writel(0xffffffff, ccmbase + 0x6c);
- writel(0xffffffff, ccmbase + 0x70);
- writel(0xffffffff, ccmbase + 0x74);
- writel(0xffffffff, ccmbase + 0x78);
- writel(0xffffffff, ccmbase + 0x7c);
- writel(0xffffffff, ccmbase + 0x80);
-
+ ungate_all_peripherals();
setup_uart_ll();
putc_ll('>');
diff --git a/arch/arm/mach-imx/include/mach/debug_ll.h
b/arch/arm/mach-imx/include/mach/debug_ll.h
index 5b0b33b..d831a7d 100644
--- a/arch/arm/mach-imx/include/mach/debug_ll.h
+++ b/arch/arm/mach-imx/include/mach/debug_ll.h
@@ -3,6 +3,7 @@
#include <io.h>
#include <config.h>
+#include <common.h>
#include <mach/imx1-regs.h>
#include <mach/imx21-regs.h>
#include <mach/imx25-regs.h>
@@ -71,6 +72,18 @@ static inline void setup_uart_ll(void)
#endif
+#define __IMX_CCM_BASE(soc) soc##_CCM_BASE_ADDR
+#define IMX_CCM_BASE(soc) __IMX_CCM_BASE(soc)
+
+static inline void ungate_all_peripherals(void)
+{
+ int i;
+ void __iomem *ccmbase = IOMEM(IMX_CCM_BASE(IMX_DEBUG_SOC));
+
+ for (i = 0x68; i <= 0x80; i += 4)
+ writel(0xffffffff, ccmbase + i);
+}
+
static inline void PUTC_LL(int c)
{
void __iomem *base = (void *)IMX_UART_BASE(IMX_DEBUG_SOC,
@@ -90,5 +103,9 @@ static inline void PUTC_LL(int c)
static inline void setup_uart_ll(void)
{
}
+
+static inline void ungate_all_peripherals(void)
+{
+}
#endif /* CONFIG_DEBUG_LL */
#endif /* __MACH_DEBUG_LL_H__ */
--
2.1.4
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
