[PATCH 2/2] imx35-regs: add and use common CGR element shifters
Alexander Kurz
akurz at blala.de
Thu Jun 30 14:24:14 PDT 2016
Add some missing Clock Gate Register element shifters which were implemented
as magic numbers in the arm/boards directory. Use the new shifters for
inproved code readability.
Signed-off-by: Alexander Kurz <akurz at blala.de>
---
arch/arm/boards/eukrea_cpuimx35/lowlevel.c | 9 +++++----
arch/arm/boards/guf-cupid/lowlevel.c | 5 +++--
arch/arm/boards/phytec-phycore-imx35/lowlevel.c | 6 +++---
arch/arm/mach-imx/include/mach/imx35-regs.h | 15 +++++++++++++++
4 files changed, 26 insertions(+), 9 deletions(-)
diff --git a/arch/arm/boards/eukrea_cpuimx35/lowlevel.c b/arch/arm/boards/eukrea_cpuimx35/lowlevel.c
index 83c25fe..5573657 100644
--- a/arch/arm/boards/eukrea_cpuimx35/lowlevel.c
+++ b/arch/arm/boards/eukrea_cpuimx35/lowlevel.c
@@ -92,17 +92,18 @@ void __bare_init __naked barebox_arm_reset_vector(void)
writel(0x00001000, ccm_base + MX35_CCM_PDR0);
r = readl(ccm_base + MX35_CCM_CGR0);
- r |= 0x00300000;
+ r |= 0x3 << MX35_CCM_CGR0_EPIT1_SHIFT;
writel(r, ccm_base + MX35_CCM_CGR0);
r = readl(ccm_base + MX35_CCM_CGR1);
- r |= 0x00030C00;
- r |= 0x00000003;
+ r |= 0x3 << MX35_CCM_CGR1_FEC_SHIFT;
+ r |= 0x3 << MX35_CCM_CGR1_I2C1_SHIFT;
+ r |= 0x3 << MX35_CCM_CGR1_IOMUX_SHIFT;
writel(r, ccm_base + MX35_CCM_CGR1);
/* enable watchdog asap */
r = readl(ccm_base + MX35_CCM_CGR2);
- r |= 0x03000000;
+ r |= 0x3 << MX35_CCM_CGR2_WDOG_SHIFT;
writel(r, ccm_base + MX35_CCM_CGR2);
r = readl(MX35_L2CC_BASE_ADDR + L2X0_AUX_CTRL);
diff --git a/arch/arm/boards/guf-cupid/lowlevel.c b/arch/arm/boards/guf-cupid/lowlevel.c
index bcd2a24..31b7cdf 100644
--- a/arch/arm/boards/guf-cupid/lowlevel.c
+++ b/arch/arm/boards/guf-cupid/lowlevel.c
@@ -294,11 +294,12 @@ void __bare_init __naked barebox_arm_reset_vector(void)
/* configure clock-gates */
r0 = readl(MX35_CCM_BASE_ADDR + MX35_CCM_CGR0);
- r0 |= 0x00300000;
+ r0 |= 0x3 << MX35_CCM_CGR0_EPIT1_SHIFT;
writel(r0, MX35_CCM_BASE_ADDR + MX35_CCM_CGR0);
r0 = readl(MX35_CCM_BASE_ADDR + MX35_CCM_CGR1);
- r0 |= 0x00000c03;
+ r0 |= 0x3 << MX35_CCM_CGR1_FEC_SHIFT;
+ r0 |= 0x3 << MX35_CCM_CGR1_I2C1_SHIFT;
writel(r0, MX35_CCM_BASE_ADDR + MX35_CCM_CGR1);
/* Configure SDRAM */
diff --git a/arch/arm/boards/phytec-phycore-imx35/lowlevel.c b/arch/arm/boards/phytec-phycore-imx35/lowlevel.c
index 1ad5439..577fcd9 100644
--- a/arch/arm/boards/phytec-phycore-imx35/lowlevel.c
+++ b/arch/arm/boards/phytec-phycore-imx35/lowlevel.c
@@ -104,12 +104,12 @@ void __bare_init __naked barebox_arm_reset_vector(void)
writel(CCM_PDR0_399, ccm_base + MX35_CCM_PDR0);
r = readl(ccm_base + MX35_CCM_CGR0);
- r |= 0x00300000;
+ r |= 0x3 << MX35_CCM_CGR0_EPIT1_SHIFT;
writel(r, ccm_base + MX35_CCM_CGR0);
r = readl(ccm_base + MX35_CCM_CGR1);
- r |= 0x00000C00;
- r |= 0x00000003;
+ r |= 0x3 << X35_CCM_CGR1_FEC_SHIFT;
+ r |= 0x3 << MX35_CCM_CGR1_I2C1_SHIFT;
writel(r, ccm_base + MX35_CCM_CGR1);
r = readl(MX35_L2CC_BASE_ADDR + L2X0_AUX_CTRL);
diff --git a/arch/arm/mach-imx/include/mach/imx35-regs.h b/arch/arm/mach-imx/include/mach/imx35-regs.h
index 6905400..48bf643 100644
--- a/arch/arm/mach-imx/include/mach/imx35-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx35-regs.h
@@ -150,11 +150,26 @@
#define MX35_CCM_CGR3 0x38
#define MX35_CCM_CGR0_CSPI1_SHIFT 10
+#define MX35_CCM_CGR0_CSPI2_SHIFT 12
+#define MX35_CCM_CGR0_EPIT1_SHIFT 20
+#define MX35_CCM_CGR0_EPIT2_SHIFT 22
#define MX35_CCM_CGR0_ESDHC1_SHIFT 26
+#define MX35_CCM_CGR0_ESDHC2_SHIFT 28
+#define MX35_CCM_CGR0_ESDHC3_SHIFT 30
#define MX35_CCM_CGR1_FEC_SHIFT 0
+#define MX35_CCM_CGR1_GPIO1_SHIFT 2
+#define MX35_CCM_CGR1_GPIO2_SHIFT 4
+#define MX35_CCM_CGR1_GPIO3_SHIFT 6
#define MX35_CCM_CGR1_I2C1_SHIFT 10
+#define MX35_CCM_CGR1_I2C2_SHIFT 12
+#define MX35_CCM_CGR1_I2C3_SHIFT 14
+#define MX35_CCM_CGR1_IOMUX_SHIFT 16
+#define MX35_CCM_CGR1_KPP_SHIFT 20
+#define MX35_CCM_CGR2_UART1_SHIFT 16
#define MX35_CCM_CGR2_UART2_SHIFT 18
+#define MX35_CCM_CGR2_UART3_SHIFT 20
#define MX35_CCM_CGR2_USB_SHIFT 22
+#define MX35_CCM_CGR2_WDOG_SHIFT 24
#define MX35_CCM_RCSR_MEM_CTRL_SHIFT 25
#define MX35_CCM_RCSR_MEM_TYPE_SHIFT 23
--
2.1.4
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