sunxi: add basic V3s support

Basic U-Boot support is now present for V3s.

Some memory addresses are changed specially for V3s, as the original
address map cannot fit into a so small DRAM.

As the DRAM controller code needs a big refactor, the SPL support is
disabled in this version.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h
index 85a4ec3..24f8520 100644 (file)
--- a/arch/arm/include/asm/arch-sunxi/gpio.h
+++ b/arch/arm/include/asm/arch-sunxi/gpio.h
@@ -161,6 +161,7 @@ enum sunxi_gpio_number {
 #define SUN8I_GPB_UART2                2
 #define SUN8I_A33_GPB_UART0    3
 #define SUN8I_A83T_GPB_UART0   2
+#define SUN8I_V3S_GPB_UART0    3
 #define SUN50I_GPB_UART0       4
 
 #define SUNXI_GPC_NAND         2

diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c
index 6ce07df..4507279 100644 (file)
--- a/arch/arm/mach-sunxi/board.c
+++ b/arch/arm/mach-sunxi/board.c
@@ -114,6 +114,10 @@ static int gpio_init(void)
        sunxi_gpio_set_cfgpin(SUNXI_GPB(9), SUN8I_A83T_GPB_UART0);
        sunxi_gpio_set_cfgpin(SUNXI_GPB(10), SUN8I_A83T_GPB_UART0);
        sunxi_gpio_set_pull(SUNXI_GPB(10), SUNXI_GPIO_PULL_UP);
+#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN8I_V3S)
+       sunxi_gpio_set_cfgpin(SUNXI_GPB(8), SUN8I_V3S_GPB_UART0);
+       sunxi_gpio_set_cfgpin(SUNXI_GPB(9), SUN8I_V3S_GPB_UART0);
+       sunxi_gpio_set_pull(SUNXI_GPB(9), SUNXI_GPIO_PULL_UP);
 #elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN9I)
        sunxi_gpio_set_cfgpin(SUNXI_GPH(12), SUN9I_GPH_UART0);
        sunxi_gpio_set_cfgpin(SUNXI_GPH(13), SUN9I_GPH_UART0);

diff --git a/arch/arm/mach-sunxi/cpu_info.c b/arch/arm/mach-sunxi/cpu_info.c
index 7851de2..25a5ec2 100644 (file)
--- a/arch/arm/mach-sunxi/cpu_info.c
+++ b/arch/arm/mach-sunxi/cpu_info.c
@@ -89,6 +89,8 @@ int print_cpuinfo(void)
        printf("CPU:   Allwinner H3 (SUN8I %04x)\n", sunxi_get_sram_id());
 #elif defined CONFIG_MACH_SUN8I_R40
        printf("CPU:   Allwinner R40 (SUN8I %04x)\n", sunxi_get_sram_id());
+#elif defined CONFIG_MACH_SUN8I_V3S
+       printf("CPU:   Allwinner V3s (SUN8I %04x)\n", sunxi_get_sram_id());
 #elif defined CONFIG_MACH_SUN9I
        puts("CPU:   Allwinner A80 (SUN9I)\n");
 #elif defined CONFIG_MACH_SUN50I

diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index 7350e25..b47034f 100644 (file)
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -144,6 +144,15 @@ config MACH_SUN8I_R40
        select SUNXI_GEN_SUN6I
        select SUPPORT_SPL
 
+config MACH_SUN8I_V3S
+       bool "sun8i (Allwinner V3s)"
+       select CPU_V7
+       select CPU_V7_HAS_NONSEC
+       select CPU_V7_HAS_VIRT
+       select ARCH_SUPPORT_PSCI
+       select SUNXI_GEN_SUN6I
+       select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT
+
 config MACH_SUN9I
        bool "sun9i (Allwinner A80)"
        select CPU_V7
@@ -175,6 +184,7 @@ config MACH_SUN8I
        default y if MACH_SUN8I_A83T
        default y if MACH_SUNXI_H3_H5
        default y if MACH_SUN8I_R40
+       default y if MACH_SUN8I_V3S
 
 config RESERVE_ALLWINNER_BOOT0_HEADER
        bool "reserve space for Allwinner boot0 header"
@@ -544,6 +554,7 @@ config VIDEO
        depends on !MACH_SUN8I_A83T
        depends on !MACH_SUNXI_H3_H5
        depends on !MACH_SUN8I_R40
+       depends on !MACH_SUN8I_V3S
        depends on !MACH_SUN9I
        depends on !MACH_SUN50I
        default y

diff --git a/include/configs/sun8i.h b/include/configs/sun8i.h
index a4c3fb6..6ac42ac 100644 (file)
--- a/include/configs/sun8i.h
+++ b/include/configs/sun8i.h
@@ -21,6 +21,8 @@
        #define CONFIG_SUNXI_USB_PHYS   4
 #elif defined CONFIG_MACH_SUN8I_A83T
        #define CONFIG_SUNXI_USB_PHYS   3
+#elif defined CONFIG_MACH_SUN8I_V3S
+       #define CONFIG_SUNXI_USB_PHYS   1
 #else
        #define CONFIG_SUNXI_USB_PHYS   2
 #endif

diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index b32d220..00653d8 100644 (file)
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -69,7 +69,12 @@
 #define SDRAM_OFFSET(x) 0x4##x
 #define CONFIG_SYS_SDRAM_BASE          0x40000000
 #define CONFIG_SYS_LOAD_ADDR           0x42000000 /* default load address */
+/* V3s do not have enough memory to place code at 0x4a000000 */
+#ifndef CONFIG_MACH_SUN8I_V3S
 #define CONFIG_SYS_TEXT_BASE           0x4a000000
+#else
+#define CONFIG_SYS_TEXT_BASE           0x42e00000
+#endif
 /* Note SPL_STACK_R_ADDR is set through Kconfig, we include it here 
  * since it needs to fit in with the other values. By also #defining it
  * we get warnings if the Kconfig value mismatches. */
@@ -146,8 +151,13 @@
 #define CONFIG_ENV_SIZE                        (128 << 10)
 #endif
 
+#ifndef CONFIG_MACH_SUN8I_V3S
 /* 64MB of malloc() pool */
 #define CONFIG_SYS_MALLOC_LEN          (CONFIG_ENV_SIZE + (64 << 20))
+#else
+/* 2MB of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN          (CONFIG_ENV_SIZE + (2 << 20))
+#endif
 
 /*
  * Miscellaneous configurable options
@@ -340,6 +350,7 @@ extern int soft_i2c_gpio_scl;
  * Scripts, PXE and DTBs should go afterwards, leaving the rest for the initrd.
  * Align the initrd to a 2MB page.
  */
+#define BOOTM_SIZE     __stringify(0xa000000)
 #define KERNEL_ADDR_R  __stringify(SDRAM_OFFSET(0080000))
 #define FDT_ADDR_R     __stringify(SDRAM_OFFSET(FA00000))
 #define SCRIPT_ADDR_R  __stringify(SDRAM_OFFSET(FC00000))
@@ -352,16 +363,30 @@ extern int soft_i2c_gpio_scl;
  * 32M uncompressed kernel, 16M compressed kernel, 1M fdt,
  * 1M script, 1M pxe and the ramdisk at the end.
  */
-
+#ifndef CONFIG_MACH_SUN8I_V3S
+#define BOOTM_SIZE     __stringify(0xa000000)
 #define KERNEL_ADDR_R  __stringify(SDRAM_OFFSET(2000000))
 #define FDT_ADDR_R     __stringify(SDRAM_OFFSET(3000000))
 #define SCRIPT_ADDR_R  __stringify(SDRAM_OFFSET(3100000))
 #define PXEFILE_ADDR_R __stringify(SDRAM_OFFSET(3200000))
 #define RAMDISK_ADDR_R __stringify(SDRAM_OFFSET(3300000))
+#else
+/*
+ * 64M RAM minus 2MB heap + 16MB for u-boot, stack, fb, etc.
+ * 16M uncompressed kernel, 8M compressed kernel, 1M fdt,
+ * 1M script, 1M pxe and the ramdisk at the end.
+ */
+#define BOOTM_SIZE     __stringify(0x2e00000)
+#define KERNEL_ADDR_R  __stringify(SDRAM_OFFSET(1000000))
+#define FDT_ADDR_R     __stringify(SDRAM_OFFSET(1800000))
+#define SCRIPT_ADDR_R  __stringify(SDRAM_OFFSET(1900000))
+#define PXEFILE_ADDR_R __stringify(SDRAM_OFFSET(1A00000))
+#define RAMDISK_ADDR_R __stringify(SDRAM_OFFSET(1B00000))
+#endif
 #endif
 
 #define MEM_LAYOUT_ENV_SETTINGS \
-       "bootm_size=0xa000000\0" \
+       "bootm_size=" BOOTM_SIZE "\0" \
        "kernel_addr_r=" KERNEL_ADDR_R "\0" \
        "fdt_addr_r=" FDT_ADDR_R "\0" \
        "scriptaddr=" SCRIPT_ADDR_R "\0" \