From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Date: Tue, 27 Jan 2015 11:27:47 +0100 Subject: [U-Boot] [PATCH 1/2] sunxi: rsb: Add sun9i (A80 support) Message-ID: <1422354468-11436-1-git-send-email-hdegoede@redhat.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Add support for the A80 to the rsb code. Signed-off-by: Hans de Goede --- arch/arm/cpu/armv7/sunxi/Makefile | 2 ++ arch/arm/cpu/armv7/sunxi/rsb.c | 11 +++++++++++ arch/arm/include/asm/arch-sunxi/cpu_sun9i.h | 5 +++-- arch/arm/include/asm/arch-sunxi/gpio.h | 8 ++++++++ 4 files changed, 24 insertions(+), 2 deletions(-) diff --git a/arch/arm/cpu/armv7/sunxi/Makefile b/arch/arm/cpu/armv7/sunxi/Makefile index 6602cda..f8a6bea 100644 --- a/arch/arm/cpu/armv7/sunxi/Makefile +++ b/arch/arm/cpu/armv7/sunxi/Makefile @@ -18,8 +18,10 @@ obj-y += usbc.o endif obj-$(CONFIG_MACH_SUN6I) += prcm.o obj-$(CONFIG_MACH_SUN8I) += prcm.o +obj-$(CONFIG_MACH_SUN9I) += prcm.o obj-$(CONFIG_MACH_SUN6I) += p2wi.o obj-$(CONFIG_MACH_SUN8I) += rsb.o +obj-$(CONFIG_MACH_SUN9I) += rsb.o obj-$(CONFIG_MACH_SUN4I) += clock_sun4i.o obj-$(CONFIG_MACH_SUN5I) += clock_sun4i.o obj-$(CONFIG_MACH_SUN6I) += clock_sun6i.o diff --git a/arch/arm/cpu/armv7/sunxi/rsb.c b/arch/arm/cpu/armv7/sunxi/rsb.c index b72bb9d..55e9433 100644 --- a/arch/arm/cpu/armv7/sunxi/rsb.c +++ b/arch/arm/cpu/armv7/sunxi/rsb.c @@ -18,12 +18,23 @@ static void rsb_cfg_io(void) { +#ifdef CONFIG_MACH_SUN8I sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_GPL0_R_RSB_SCK); sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_GPL1_R_RSB_SDA); sunxi_gpio_set_pull(SUNXI_GPL(0), 1); sunxi_gpio_set_pull(SUNXI_GPL(1), 1); sunxi_gpio_set_drv(SUNXI_GPL(0), 2); sunxi_gpio_set_drv(SUNXI_GPL(1), 2); +#elif defined CONFIG_MACH_SUN9I + sunxi_gpio_set_cfgpin(SUNXI_GPN(0), SUN9I_GPN0_R_RSB_SCK); + sunxi_gpio_set_cfgpin(SUNXI_GPN(1), SUN9I_GPN1_R_RSB_SDA); + sunxi_gpio_set_pull(SUNXI_GPN(0), 1); + sunxi_gpio_set_pull(SUNXI_GPN(1), 1); + sunxi_gpio_set_drv(SUNXI_GPN(0), 2); + sunxi_gpio_set_drv(SUNXI_GPN(1), 2); +#else +#error unsupported MACH_SUNXI +#endif } static void rsb_set_clk(void) diff --git a/arch/arm/include/asm/arch-sunxi/cpu_sun9i.h b/arch/arm/include/asm/arch-sunxi/cpu_sun9i.h index a2a7839..04889c5 100644 --- a/arch/arm/include/asm/arch-sunxi/cpu_sun9i.h +++ b/arch/arm/include/asm/arch-sunxi/cpu_sun9i.h @@ -73,7 +73,6 @@ #define SUNXI_CCM_BASE (REGS_APB0_BASE + 0x0000) #define SUNXI_CCMMODULE_BASE (REGS_APB0_BASE + 0x0400) #define SUNXI_PIO_BASE (REGS_APB0_BASE + 0x0800) -#define SUNXI_R_PIO_BASE (0x08002C00) #define SUNXI_TIMER_BASE (REGS_APB0_BASE + 0x0C00) #define SUNXI_PWM_BASE (REGS_APB0_BASE + 0x1400) #define SUNXI_LRADC_BASE (REGS_APB0_BASE + 0x1800) @@ -92,8 +91,10 @@ #define SUNXI_TWI4_BASE (REGS_APB1_BASE + 0x3800) /* RCPUS Module */ -#define SUNXI_RPRCM_BASE (REGS_RCPUS_BASE + 0x1400) +#define SUNXI_PRCM_BASE (REGS_RCPUS_BASE + 0x1400) #define SUNXI_R_UART_BASE (REGS_RCPUS_BASE + 0x2800) +#define SUNXI_R_PIO_BASE (REGS_RCPUS_BASE + 0x2c00) +#define SUNXI_RSB_BASE (REGS_RCPUS_BASE + 0x3400) /* Misc. */ #define SUNXI_BROM_BASE 0xFFFF0000 /* 32K */ diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h index 3db7fd3..d2d48de 100644 --- a/arch/arm/include/asm/arch-sunxi/gpio.h +++ b/arch/arm/include/asm/arch-sunxi/gpio.h @@ -45,9 +45,13 @@ * * sun8i has 1 bank: * PL0 - PL11 + * + * sun9i has 3 banks: + * PL0 - PL9 | PM0 - PM15 | PN0 - PN1 */ #define SUNXI_GPIO_L 11 #define SUNXI_GPIO_M 12 +#define SUNXI_GPIO_N 13 struct sunxi_gpio { u32 cfg[4]; @@ -129,6 +133,7 @@ enum sunxi_gpio_number { #define SUNXI_GPI(_nr) (SUNXI_GPIO_I_START + (_nr)) #define SUNXI_GPL(_nr) (SUNXI_GPIO_L_START + (_nr)) #define SUNXI_GPM(_nr) (SUNXI_GPIO_M_START + (_nr)) +#define SUNXI_GPN(_nr) (SUNXI_GPIO_L_START + (_nr)) #define SUNXI_GPAXP0(_nr) (SUNXI_GPIO_AXP0_START + (_nr)) @@ -190,6 +195,9 @@ enum sunxi_gpio_number { #define SUN8I_GPL2_R_UART_TX 2 #define SUN8I_GPL3_R_UART_RX 2 +#define SUN9I_GPN0_R_RSB_SCK 3 +#define SUN9I_GPN1_R_RSB_SDA 3 + /* GPIO pin pull-up/down config */ #define SUNXI_GPIO_PULL_DISABLE 0 #define SUNXI_GPIO_PULL_UP 1 -- 2.1.0