From 8c3dacff1409109e3697ed60df0e7c93d1309a93 Mon Sep 17 00:00:00 2001 From: Vishnu Patekar Date: Sun, 1 Mar 2015 23:47:48 +0530 Subject: [PATCH] sunxi: Add basic A33 basic support Enable full support for the A33 SoC including display, otg-usb, etc. Signed-off-by: Vishnu Patekar Signed-off-by: Hans de Goede Acked-by: Ian Campbell --- arch/arm/cpu/armv7/sunxi/Makefile | 1 + arch/arm/cpu/armv7/sunxi/cpu_info.c | 2 ++ arch/arm/cpu/armv7/sunxi/usbc.c | 9 +++++++++ board/sunxi/Kconfig | 6 ++++++ drivers/usb/musb-new/musb_regs.h | 5 +++++ drivers/video/sunxi_display.c | 3 +++ 6 files changed, 26 insertions(+) diff --git a/arch/arm/cpu/armv7/sunxi/Makefile b/arch/arm/cpu/armv7/sunxi/Makefile index 59c26ae..3052b27 100644 --- a/arch/arm/cpu/armv7/sunxi/Makefile +++ b/arch/arm/cpu/armv7/sunxi/Makefile @@ -39,5 +39,6 @@ obj-$(CONFIG_MACH_SUN5I) += dram_sun4i.o obj-$(CONFIG_MACH_SUN6I) += dram_sun6i.o obj-$(CONFIG_MACH_SUN7I) += dram_sun4i.o obj-$(CONFIG_MACH_SUN8I_A23) += dram_sun8i_a23.o +obj-$(CONFIG_MACH_SUN8I_A33) += dram_sun8i_a33.o obj-y += fel_utils.o endif diff --git a/arch/arm/cpu/armv7/sunxi/cpu_info.c b/arch/arm/cpu/armv7/sunxi/cpu_info.c index 77435f3..30ec4ac 100644 --- a/arch/arm/cpu/armv7/sunxi/cpu_info.c +++ b/arch/arm/cpu/armv7/sunxi/cpu_info.c @@ -66,6 +66,8 @@ int print_cpuinfo(void) puts("CPU: Allwinner A20 (SUN7I)\n"); #elif defined CONFIG_MACH_SUN8I_A23 puts("CPU: Allwinner A23 (SUN8I)\n"); +#elif defined CONFIG_MACH_SUN8I_A33 + puts("CPU: Allwinner A33 (SUN8I)\n"); #else #warning Please update cpu_info.c with correct CPU information puts("CPU: SUNXI Family\n"); diff --git a/arch/arm/cpu/armv7/sunxi/usbc.c b/arch/arm/cpu/armv7/sunxi/usbc.c index 7d55e41..7b883fb 100644 --- a/arch/arm/cpu/armv7/sunxi/usbc.c +++ b/arch/arm/cpu/armv7/sunxi/usbc.c @@ -28,7 +28,11 @@ #endif #define SUNXI_USB_PMU_IRQ_ENABLE 0x800 +#ifdef CONFIG_MACH_SUN8I_A33 +#define SUNXI_USB_CSR 0x410 +#else #define SUNXI_USB_CSR 0x404 +#endif #define SUNXI_USB_PASSBY_EN 1 #define SUNXI_EHCI_AHB_ICHR8_EN (1 << 10) @@ -103,6 +107,11 @@ static void usb_phy_write(struct sunxi_usbc_hcd *sunxi_usbc, int addr, int j = 0, usbc_bit = 0; void *dest = sunxi_usbc_get_io_base(0) + SUNXI_USB_CSR; +#ifdef CONFIG_MACH_SUN8I_A33 + /* CSR needs to be explicitly initialized to 0 on A33 */ + writel(0, dest); +#endif + usbc_bit = 1 << (sunxi_usbc->id * 2); for (j = 0; j < len; j++) { /* set the bit address to be written */ diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig index 3d865d1..6495187 100644 --- a/board/sunxi/Kconfig +++ b/board/sunxi/Kconfig @@ -52,6 +52,12 @@ config MACH_SUN8I_A23 select SUNXI_GEN_SUN6I select SUPPORT_SPL +config MACH_SUN8I_A33 + bool "sun8i (Allwinner A33)" + select CPU_V7 + select SUNXI_GEN_SUN6I + select SUPPORT_SPL + endchoice # The sun8i SoCs share a lot, this helps to avoid a lot of "if A23 || A33" diff --git a/drivers/usb/musb-new/musb_regs.h b/drivers/usb/musb-new/musb_regs.h index 27e4ed4..90288c4 100644 --- a/drivers/usb/musb-new/musb_regs.h +++ b/drivers/usb/musb-new/musb_regs.h @@ -458,8 +458,13 @@ static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase) static inline u8 musb_read_configdata(void __iomem *mbase) { +#ifdef CONFIG_MACH_SUN8I_A33 + /* allwinner saves a reg, and we need to hardcode this */ + return 0xde; +#else musb_writeb(mbase, MUSB_INDEX, 0); return musb_readb(mbase, 0x10 + MUSB_CONFIGDATA); +#endif } static inline u16 musb_read_hwvers(void __iomem *mbase) diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c index 2ee1056..1163ecf 100644 --- a/drivers/video/sunxi_display.c +++ b/drivers/video/sunxi_display.c @@ -947,6 +947,9 @@ static void sunxi_drc_init(void) (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; /* On sun6i the drc must be clocked even when in pass-through mode */ +#ifdef CONFIG_MACH_SUN8I_A33 + setbits_le32(&ccm->ahb_reset1_cfg, 1 << AHB_RESET_OFFSET_SAT); +#endif setbits_le32(&ccm->ahb_reset1_cfg, 1 << AHB_RESET_OFFSET_DRC0); clock_set_de_mod_clock(&ccm->iep_drc0_clk_cfg, 300000000); #endif -- 2.7.4