[PATCH v2 06/12] ARM: sunxi: Add clock and uart to sunxi headers

Jesse Taube mr.bossman075 at gmail.com
Wed Jan 26 14:53:23 CET 2022


From: Icenowy Zheng <icenowy at aosc.io>

This patch aims to add header files for the suniv.
The header files included add support for uart, and clocks.

Signed-off-by: Icenowy Zheng <icenowy at aosc.io>
Signed-off-by: Jesse Taube <Mr.Bossman075 at gmail.com>
---
V1->V2:
* Change commit description and topic
* Change PLL6_CFG_DEFAULT
* Combine APB1_GATE ifdefs
* Combine SUNXI_UART0_BASE ifdefs
* Fix negative logic
* Remove unused macros
---
 arch/arm/include/asm/arch-sunxi/clock.h       |  2 +-
 arch/arm/include/asm/arch-sunxi/clock_sun6i.h | 13 +++++++++++++
 arch/arm/include/asm/arch-sunxi/cpu_sun4i.h   |  6 ++++++
 arch/arm/include/asm/arch-sunxi/gpio.h        |  1 +
 4 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/arch-sunxi/clock.h b/arch/arm/include/asm/arch-sunxi/clock.h
index cbbe5c7a1e..2cfd540742 100644
--- a/arch/arm/include/asm/arch-sunxi/clock.h
+++ b/arch/arm/include/asm/arch-sunxi/clock.h
@@ -19,7 +19,7 @@
 #elif defined(CONFIG_SUN50I_GEN_H6)
 #include <asm/arch/clock_sun50i_h6.h>
 #elif defined(CONFIG_MACH_SUN6I) || defined(CONFIG_MACH_SUN8I) || \
-      defined(CONFIG_MACH_SUN50I)
+      defined(CONFIG_MACH_SUN50I) || defined(CONFIG_MACH_SUNIV)
 #include <asm/arch/clock_sun6i.h>
 #elif defined(CONFIG_MACH_SUN9I)
 #include <asm/arch/clock_sun9i.h>
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
index ee387127f3..7fcf340db6 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
@@ -226,7 +226,12 @@ struct sunxi_ccm_reg {
 #define CCM_PLL5_CTRL_SIGMA_DELTA_EN	(0x1 << 24)
 #define CCM_PLL5_CTRL_EN		(0x1 << 31)
 
+#ifdef CONFIG_MACH_SUNIV
+/* suniv pll6 doesn't have postdiv 2, so k is set to 0 */
+#define PLL6_CFG_DEFAULT		0x90041801
+#else
 #define PLL6_CFG_DEFAULT		0x90041811 /* 600 MHz */
+#endif
 
 #define CCM_PLL6_CTRL_N_SHIFT		8
 #define CCM_PLL6_CTRL_N_MASK		(0x1f << CCM_PLL6_CTRL_N_SHIFT)
@@ -488,6 +493,14 @@ struct sunxi_ccm_reg {
 #define AHB_RESET_OFFSET_EPHY		2
 #define AHB_RESET_OFFSET_LVDS		0
 
+/* apb1 reset */
+#ifdef CONFIG_MACH_SUNIV
+#define APB1_GATE_UART_SHIFT	(20)
+#define APB1_GATE_TWI_SHIFT	(16)
+#define APB1_RESET_UART_SHIFT	(20)
+#define APB1_RESET_TWI_SHIFT	(16)
+#endif
+
 /* apb2 reset */
 #define APB2_RESET_UART_SHIFT		(16)
 #define APB2_RESET_UART_MASK		(0xff << APB2_RESET_UART_SHIFT)
diff --git a/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h b/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h
index d4c795d89c..b7b4564af3 100644
--- a/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h
+++ b/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h
@@ -129,9 +129,15 @@ defined(CONFIG_MACH_SUN50I)
 #define SUNXI_CPUCFG_BASE		0x01c25c00
 #endif
 
+#ifndef CONFIG_MACH_SUNIV
 #define SUNXI_UART0_BASE		0x01c28000
 #define SUNXI_UART1_BASE		0x01c28400
 #define SUNXI_UART2_BASE		0x01c28800
+#else
+#define SUNXI_UART0_BASE		0x01c25000
+#define SUNXI_UART1_BASE		0x01c25400
+#define SUNXI_UART2_BASE		0x01c25800
+#endif
 #define SUNXI_UART3_BASE		0x01c28c00
 #define SUNXI_UART4_BASE		0x01c29000
 #define SUNXI_UART5_BASE		0x01c29400
diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h
index f3ab1aea0e..ced69f7dd4 100644
--- a/arch/arm/include/asm/arch-sunxi/gpio.h
+++ b/arch/arm/include/asm/arch-sunxi/gpio.h
@@ -165,6 +165,7 @@ enum sunxi_gpio_number {
 #define SUNXI_GPD_LVDS0		3
 #define SUNXI_GPD_PWM		2
 
+#define SUNIV_GPE_UART0		5
 #define SUN8I_GPE_TWI2		3
 #define SUN50I_GPE_TWI2		3
 
-- 
2.34.1



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