+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2011 The Chromium OS Authors.
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __fdtdec_h
* changes to support FDT are minimized.
*/
-#include <libfdt.h>
+#include <linux/libfdt.h>
#include <pci.h>
/*
typedef phys_addr_t fdt_addr_t;
typedef phys_size_t fdt_size_t;
#ifdef CONFIG_PHYS_64BIT
-#define FDT_ADDR_T_NONE (-1ULL)
+#define FDT_ADDR_T_NONE (-1U)
#define fdt_addr_to_cpu(reg) be64_to_cpu(reg)
#define fdt_size_to_cpu(reg) be64_to_cpu(reg)
+typedef fdt64_t fdt_val_t;
#else
#define FDT_ADDR_T_NONE (-1U)
#define fdt_addr_to_cpu(reg) be32_to_cpu(reg)
#define fdt_size_to_cpu(reg) be32_to_cpu(reg)
+typedef fdt32_t fdt_val_t;
#endif
/* Information obtained about memory from the FDT */
fdt_addr_t end;
};
+struct bd_info;
+
#ifdef CONFIG_SPL_BUILD
#define SPL_BUILD 1
#else
#define SPL_BUILD 0
#endif
+#if CONFIG_IS_ENABLED(OF_PRIOR_STAGE)
+extern phys_addr_t prior_stage_fdt_address;
+#endif
+
/*
* Information about a resource. start is the first address of the resource
* and end is the last address (inclusive). The length of the resource will
COMPAT_NVIDIA_TEGRA20_EMC, /* Tegra20 memory controller */
COMPAT_NVIDIA_TEGRA20_EMC_TABLE, /* Tegra20 memory timing table */
COMPAT_NVIDIA_TEGRA20_NAND, /* Tegra2 NAND controller */
- COMPAT_NVIDIA_TEGRA124_PMC, /* Tegra 124 power mgmt controller */
- COMPAT_NVIDIA_TEGRA186_SDMMC, /* Tegra186 SDMMC controller */
- COMPAT_NVIDIA_TEGRA210_SDMMC, /* Tegra210 SDMMC controller */
- COMPAT_NVIDIA_TEGRA124_SDMMC, /* Tegra124 SDMMC controller */
- COMPAT_NVIDIA_TEGRA30_SDMMC, /* Tegra30 SDMMC controller */
- COMPAT_NVIDIA_TEGRA20_SDMMC, /* Tegra20 SDMMC controller */
COMPAT_NVIDIA_TEGRA124_XUSB_PADCTL,
/* Tegra124 XUSB pad controller */
COMPAT_NVIDIA_TEGRA210_XUSB_PADCTL,
COMPAT_SAMSUNG_EXYNOS_MIPI_DSI, /* Exynos mipi dsi */
COMPAT_SAMSUNG_EXYNOS_DWMMC, /* Exynos DWMMC controller */
COMPAT_SAMSUNG_EXYNOS_MMC, /* Exynos MMC controller */
- COMPAT_MAXIM_MAX77686_PMIC, /* MAX77686 PMIC */
COMPAT_GENERIC_SPI_FLASH, /* Generic SPI Flash chip */
COMPAT_MAXIM_98095_CODEC, /* MAX98095 Codec */
COMPAT_SAMSUNG_EXYNOS5_I2C, /* Exynos5 High Speed I2C Controller */
COMPAT_ALTERA_SOCFPGA_F2SDR0, /* SoCFPGA fpga2SDRAM0 bridge */
COMPAT_ALTERA_SOCFPGA_F2SDR1, /* SoCFPGA fpga2SDRAM1 bridge */
COMPAT_ALTERA_SOCFPGA_F2SDR2, /* SoCFPGA fpga2SDRAM2 bridge */
+ COMPAT_ALTERA_SOCFPGA_FPGA0, /* SOCFPGA FPGA manager */
+ COMPAT_ALTERA_SOCFPGA_NOC, /* SOCFPGA Arria 10 NOC */
+ COMPAT_ALTERA_SOCFPGA_CLK_INIT, /* SOCFPGA Arria 10 clk init */
COMPAT_COUNT,
};
int fdtdec_decode_region(const void *blob, int node, const char *prop_name,
fdt_addr_t *basep, fdt_size_t *sizep);
-enum fmap_compress_t {
- FMAP_COMPRESS_NONE,
- FMAP_COMPRESS_LZO,
-};
-
-enum fmap_hash_t {
- FMAP_HASH_NONE,
- FMAP_HASH_SHA1,
- FMAP_HASH_SHA256,
-};
-
-/* A flash map entry, containing an offset and length */
-struct fmap_entry {
- uint32_t offset;
- uint32_t length;
- uint32_t used; /* Number of bytes used in region */
- enum fmap_compress_t compress_algo; /* Compression type */
- enum fmap_hash_t hash_algo; /* Hash algorithm */
- const uint8_t *hash; /* Hash value */
- int hash_size; /* Hash size */
-};
-
-/**
- * Read a flash entry from the fdt
- *
- * @param blob FDT blob
- * @param node Offset of node to read
- * @param name Name of node being read
- * @param entry Place to put offset and size of this node
- * @return 0 if ok, -ve on error
- */
-int fdtdec_read_fmap_entry(const void *blob, int node, const char *name,
- struct fmap_entry *entry);
-
/**
* Obtain an indexed resource from a device property.
*
struct timing_entry vsync_len; /* ver. sync len */
enum display_flags flags; /* display flags */
+ bool hdmi_monitor; /* is hdmi monitor? */
};
/**
struct display_timing *config);
/**
- * fdtdec_setup_memory_size() - decode and setup gd->ram_size
+ * fdtdec_setup_mem_size_base() - decode and setup gd->ram_size and
+ * gd->ram_start
*
- * Decode the /memory 'reg' property to determine the size of the first memory
- * bank, populate the global data with the size of the first bank of memory.
+ * Decode the /memory 'reg' property to determine the size and start of the
+ * first memory bank, populate the global data with the size and start of the
+ * first bank of memory.
*
* This function should be called from a boards dram_init(). This helper
- * function allows for boards to query the device tree for DRAM size instead of
- * hard coding the value in the case where the memory size cannot be detected
- * automatically.
+ * function allows for boards to query the device tree for DRAM size and start
+ * address instead of hard coding the value in the case where the memory size
+ * and start address cannot be detected automatically.
*
* @return 0 if OK, -EINVAL if the /memory node or reg property is missing or
* invalid
*/
-int fdtdec_setup_memory_size(void);
+int fdtdec_setup_mem_size_base(void);
/**
* fdtdec_setup_memory_banksize() - decode and populate gd->bd->bi_dram
/**
* Board-specific FDT initialization. Returns the address to a device tree blob.
- * Called when CONFIG_OF_BOARD is defined.
+ * Called when CONFIG_OF_BOARD is defined, or if CONFIG_OF_SEPARATE is defined
+ * and the board implements it.
+ */
+
+/*
+ * Decode the size of memory
+ *
+ * RAM size is normally set in a /memory node and consists of a list of
+ * (base, size) cells in the 'reg' property. This information is used to
+ * determine the total available memory as well as the address and size
+ * of each bank.
+ *
+ * Optionally the memory configuration can vary depending on a board id,
+ * typically read from strapping resistors or an EEPROM on the board.
+ *
+ * Finally, memory size can be detected (within certain limits) by probing
+ * the available memory. It is safe to do so within the limits provides by
+ * the board's device tree information. This makes it possible to produce
+ * boards with different memory sizes, where the device tree specifies the
+ * maximum memory configuration, and the smaller memory configuration is
+ * probed.
+ *
+ * This function decodes that information, returning the memory base address,
+ * size and bank information. See the memory.txt binding for full
+ * documentation.
+ *
+ * @param blob Device tree blob
+ * @param area Name of node to check (NULL means "/memory")
+ * @param board_id Board ID to look up
+ * @param basep Returns base address of first memory bank (NULL to
+ * ignore)
+ * @param sizep Returns total memory size (NULL to ignore)
+ * @param bd Updated with the memory bank information (NULL to skip)
+ * @return 0 if OK, -ve on error
*/
-void *board_fdt_blob_setup(void);
+int fdtdec_decode_ram_size(const void *blob, const char *area, int board_id,
+ phys_addr_t *basep, phys_size_t *sizep,
+ struct bd_info *bd);
#endif
projects / J-u-boot.git / blobdiff