diff options
Diffstat (limited to 'arch/arm/mach-meson')
| -rw-r--r-- | arch/arm/mach-meson/Kconfig | 11 | ||||
| -rw-r--r-- | arch/arm/mach-meson/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-meson/board-g12a.c | 150 | ||||
| -rw-r--r-- | arch/arm/mach-meson/board-info.c | 166 |
4 files changed, 327 insertions, 3 deletions
diff --git a/arch/arm/mach-meson/Kconfig b/arch/arm/mach-meson/Kconfig index 11077bc6cc..e29e4c0acc 100644 --- a/arch/arm/mach-meson/Kconfig +++ b/arch/arm/mach-meson/Kconfig @@ -41,7 +41,13 @@ config MESON_AXG bool "AXG" select MESON64_COMMON help - Select this if your SoC is an A113X/D + Select this if your SoC is an A113X/D + +config MESON_G12A + bool "G12A" + select MESON64_COMMON + help + Select this if your SoC is an S905X/D2 endchoice @@ -61,10 +67,11 @@ config SYS_VENDOR config SYS_BOARD string "Board name" - default "odroid-c2" if MESON_GXBB + default "p200" if MESON_GXBB default "p212" if MESON_GXL default "q200" if MESON_GXM default "s400" if MESON_AXG + default "u200" if MESON_G12A default "" help This option contains information about board name. diff --git a/arch/arm/mach-meson/Makefile b/arch/arm/mach-meson/Makefile index b716e1a152..a9e4046f80 100644 --- a/arch/arm/mach-meson/Makefile +++ b/arch/arm/mach-meson/Makefile @@ -2,6 +2,7 @@ # # Copyright (c) 2016 Beniamino Galvani <b.galvani@gmail.com> -obj-y += board-common.o sm.o +obj-y += board-common.o sm.o board-info.o obj-$(CONFIG_MESON_GX) += board-gx.o obj-$(CONFIG_MESON_AXG) += board-axg.o +obj-$(CONFIG_MESON_G12A) += board-g12a.o diff --git a/arch/arm/mach-meson/board-g12a.c b/arch/arm/mach-meson/board-g12a.c new file mode 100644 index 0000000000..fc3764b960 --- /dev/null +++ b/arch/arm/mach-meson/board-g12a.c @@ -0,0 +1,150 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com> + * (C) Copyright 2018 Neil Armstrong <narmstrong@baylibre.com> + */ + +#include <common.h> +#include <asm/arch/boot.h> +#include <asm/arch/eth.h> +#include <asm/arch/g12a.h> +#include <asm/arch/mem.h> +#include <asm/io.h> +#include <asm/armv8/mmu.h> +#include <linux/sizes.h> +#include <phy.h> + +DECLARE_GLOBAL_DATA_PTR; + +int meson_get_boot_device(void) +{ + return readl(G12A_AO_SEC_GP_CFG0) & G12A_AO_BOOT_DEVICE; +} + +/* Configure the reserved memory zones exported by the secure registers + * into EFI and DTB reserved memory entries. + */ +void meson_init_reserved_memory(void *fdt) +{ + u64 bl31_size, bl31_start; + u64 bl32_size, bl32_start; + u32 reg; + + /* + * Get ARM Trusted Firmware reserved memory zones in : + * - AO_SEC_GP_CFG3: bl32 & bl31 size in KiB, can be 0 + * - AO_SEC_GP_CFG5: bl31 physical start address, can be NULL + * - AO_SEC_GP_CFG4: bl32 physical start address, can be NULL + */ + reg = readl(G12A_AO_SEC_GP_CFG3); + + bl31_size = ((reg & G12A_AO_BL31_RSVMEM_SIZE_MASK) + >> G12A_AO_BL31_RSVMEM_SIZE_SHIFT) * SZ_1K; + bl32_size = (reg & G12A_AO_BL32_RSVMEM_SIZE_MASK) * SZ_1K; + + bl31_start = readl(G12A_AO_SEC_GP_CFG5); + bl32_start = readl(G12A_AO_SEC_GP_CFG4); + + /* Add BL31 reserved zone */ + if (bl31_start && bl31_size) + meson_board_add_reserved_memory(fdt, bl31_start, bl31_size); + + /* Add BL32 reserved zone */ + if (bl32_start && bl32_size) + meson_board_add_reserved_memory(fdt, bl32_start, bl32_size); +} + +phys_size_t get_effective_memsize(void) +{ + /* Size is reported in MiB, convert it in bytes */ + return ((readl(G12A_AO_SEC_GP_CFG0) & G12A_AO_MEM_SIZE_MASK) + >> G12A_AO_MEM_SIZE_SHIFT) * SZ_1M; +} + +static struct mm_region g12a_mem_map[] = { + { + .virt = 0x0UL, + .phys = 0x0UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + .virt = 0xf0000000UL, + .phys = 0xf0000000UL, + .size = 0x10000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + /* List terminator */ + 0, + } +}; + +struct mm_region *mem_map = g12a_mem_map; + +static void g12a_enable_external_mdio(void) +{ + writel(0x0, ETH_PHY_CNTL2); +} + +static void g12a_enable_internal_mdio(void) +{ + /* Fire up the PHY PLL */ + writel(0x29c0040a, ETH_PLL_CNTL0); + writel(0x927e0000, ETH_PLL_CNTL1); + writel(0xac5f49e5, ETH_PLL_CNTL2); + writel(0x00000000, ETH_PLL_CNTL3); + writel(0x00000000, ETH_PLL_CNTL4); + writel(0x20200000, ETH_PLL_CNTL5); + writel(0x0000c002, ETH_PLL_CNTL6); + writel(0x00000023, ETH_PLL_CNTL7); + writel(0x39c0040a, ETH_PLL_CNTL0); + writel(0x19c0040a, ETH_PLL_CNTL0); + + /* Select the internal MDIO */ + writel(0x33000180, ETH_PHY_CNTL0); + writel(0x00074043, ETH_PHY_CNTL1); + writel(0x00000260, ETH_PHY_CNTL2); +} + +/* Configure the Ethernet MAC with the requested interface mode + * with some optional flags. + */ +void meson_eth_init(phy_interface_t mode, unsigned int flags) +{ + switch (mode) { + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_TXID: + /* Set RGMII mode */ + setbits_le32(G12A_ETH_REG_0, G12A_ETH_REG_0_PHY_INTF_RGMII | + G12A_ETH_REG_0_TX_PHASE(1) | + G12A_ETH_REG_0_TX_RATIO(4) | + G12A_ETH_REG_0_PHY_CLK_EN | + G12A_ETH_REG_0_CLK_EN); + break; + + case PHY_INTERFACE_MODE_RMII: + /* Set RMII mode */ + out_le32(G12A_ETH_REG_0, G12A_ETH_REG_0_PHY_INTF_RMII | + G12A_ETH_REG_0_INVERT_RMII_CLK | + G12A_ETH_REG_0_CLK_EN); + + /* Use G12A RMII Internal PHY */ + if (flags & MESON_USE_INTERNAL_RMII_PHY) + g12a_enable_internal_mdio(); + else + g12a_enable_external_mdio(); + + break; + + default: + printf("Invalid Ethernet interface mode\n"); + return; + } + + /* Enable power gate */ + clrbits_le32(G12A_MEM_PD_REG_0, G12A_MEM_PD_REG_0_ETH_MASK); +} diff --git a/arch/arm/mach-meson/board-info.c b/arch/arm/mach-meson/board-info.c new file mode 100644 index 0000000000..ba248e8ff6 --- /dev/null +++ b/arch/arm/mach-meson/board-info.c @@ -0,0 +1,166 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2019 Julien Masson <jmasson@baylibre.com> + * (C) Copyright 2019 Neil Armstrong <narmstrong@baylibre.com> + */ + +#include <common.h> +#include <asm/io.h> +#include <dm.h> +#include <linux/bitfield.h> +#include <regmap.h> +#include <syscon.h> + +#define AO_SEC_SD_CFG8 0xe0 +#define AO_SEC_SOCINFO_OFFSET AO_SEC_SD_CFG8 + +#define SOCINFO_MAJOR GENMASK(31, 24) +#define SOCINFO_PACK GENMASK(23, 16) +#define SOCINFO_MINOR GENMASK(15, 8) +#define SOCINFO_MISC GENMASK(7, 0) + +static const struct meson_gx_soc_id { + const char *name; + unsigned int id; +} soc_ids[] = { + { "GXBB", 0x1f }, + { "GXTVBB", 0x20 }, + { "GXL", 0x21 }, + { "GXM", 0x22 }, + { "TXL", 0x23 }, + { "TXLX", 0x24 }, + { "AXG", 0x25 }, + { "GXLX", 0x26 }, + { "TXHD", 0x27 }, + { "G12A", 0x28 }, + { "G12B", 0x29 }, +}; + +static const struct meson_gx_package_id { + const char *name; + unsigned int major_id; + unsigned int pack_id; + unsigned int pack_mask; +} soc_packages[] = { + { "S905", 0x1f, 0, 0x20 }, /* pack_id != 0x20 */ + { "S905H", 0x1f, 0x3, 0xf }, /* pack_id & 0xf == 0x3 */ + { "S905M", 0x1f, 0x20, 0xf0 }, /* pack_id == 0x20 */ + { "S905D", 0x21, 0, 0xf0 }, + { "S905X", 0x21, 0x80, 0xf0 }, + { "S905W", 0x21, 0xa0, 0xf0 }, + { "S905L", 0x21, 0xc0, 0xf0 }, + { "S905M2", 0x21, 0xe0, 0xf0 }, + { "S805X", 0x21, 0x30, 0xf0 }, + { "S805Y", 0x21, 0xb0, 0xf0 }, + { "S912", 0x22, 0, 0x0 }, /* Only S912 is known for GXM */ + { "962X", 0x24, 0x10, 0xf0 }, + { "962E", 0x24, 0x20, 0xf0 }, + { "A113X", 0x25, 0x37, 0xff }, + { "A113D", 0x25, 0x22, 0xff }, + { "S905D2", 0x28, 0x10, 0xf0 }, + { "S905X2", 0x28, 0x40, 0xf0 }, + { "S922X", 0x29, 0x40, 0xf0 }, +}; + +DECLARE_GLOBAL_DATA_PTR; + +static inline unsigned int socinfo_to_major(u32 socinfo) +{ + return FIELD_GET(SOCINFO_MAJOR, socinfo); +} + +static inline unsigned int socinfo_to_minor(u32 socinfo) +{ + return FIELD_GET(SOCINFO_MINOR, socinfo); +} + +static inline unsigned int socinfo_to_pack(u32 socinfo) +{ + return FIELD_GET(SOCINFO_PACK, socinfo); +} + +static inline unsigned int socinfo_to_misc(u32 socinfo) +{ + return FIELD_GET(SOCINFO_MISC, socinfo); +} + +static const char *socinfo_to_package_id(u32 socinfo) +{ + unsigned int pack = socinfo_to_pack(socinfo); + unsigned int major = socinfo_to_major(socinfo); + int i; + + for (i = 0 ; i < ARRAY_SIZE(soc_packages) ; ++i) { + if (soc_packages[i].major_id == major && + soc_packages[i].pack_id == + (pack & soc_packages[i].pack_mask)) + return soc_packages[i].name; + } + + return "Unknown"; +} + +static const char *socinfo_to_soc_id(u32 socinfo) +{ + unsigned int id = socinfo_to_major(socinfo); + int i; + + for (i = 0 ; i < ARRAY_SIZE(soc_ids) ; ++i) { + if (soc_ids[i].id == id) + return soc_ids[i].name; + } + + return "Unknown"; +} + +static void print_board_model(void) +{ + const char *model; + model = fdt_getprop(gd->fdt_blob, 0, "model", NULL); + printf("Model: %s\n", model ? model : "Unknown"); +} + +int show_board_info(void) +{ + struct regmap *regmap; + int nodeoffset, ret; + ofnode node; + unsigned int socinfo; + + /* find the offset of compatible node */ + nodeoffset = fdt_node_offset_by_compatible(gd->fdt_blob, -1, + "amlogic,meson-gx-ao-secure"); + if (nodeoffset < 0) + return 0; + + /* check if chip-id is available */ + if (!fdt_getprop(gd->fdt_blob, nodeoffset, "amlogic,has-chip-id", NULL)) + return 0; + + /* get regmap from the syscon node */ + node = offset_to_ofnode(nodeoffset); + regmap = syscon_node_to_regmap(node); + if (IS_ERR(regmap)) { + printf("%s: failed to get regmap\n", __func__); + return 0; + } + + /* read soc info */ + ret = regmap_read(regmap, AO_SEC_SOCINFO_OFFSET, &socinfo); + if (ret && !socinfo) { + printf("%s: invalid chipid value\n", __func__); + return 0; + } + + /* print board information */ + print_board_model(); + printf("Soc: Amlogic Meson %s (%s) Revision %x:%x (%x:%x)\n", + socinfo_to_soc_id(socinfo), + socinfo_to_package_id(socinfo), + socinfo_to_major(socinfo), + socinfo_to_minor(socinfo), + socinfo_to_pack(socinfo), + socinfo_to_misc(socinfo)); + + return 0; +} |