[PATCH v3 04/10] ARM: sunxi: Add clock and uart to sunxi headers

Jesse Taube
2022-01-29T15:23:57Z

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@aosc.io>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Jesse Taube <Mr.Bossman075@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
V2->V3:
* Nothing done
---
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