diff options
Diffstat (limited to 'lib/fdtdec.c')
| -rw-r--r-- | lib/fdtdec.c | 58 |
1 files changed, 38 insertions, 20 deletions
diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 232ca74712..a954051f7e 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -31,6 +31,7 @@ static const char * const compat_names[COMPAT_COUNT] = { COMPAT(NVIDIA_TEGRA124_SOR, "nvidia,tegra124-sor"), COMPAT(NVIDIA_TEGRA124_PMC, "nvidia,tegra124-pmc"), COMPAT(NVIDIA_TEGRA20_DC, "nvidia,tegra20-dc"), + COMPAT(NVIDIA_TEGRA210_SDMMC, "nvidia,tegra210-sdhci"), COMPAT(NVIDIA_TEGRA124_SDMMC, "nvidia,tegra124-sdhci"), COMPAT(NVIDIA_TEGRA30_SDMMC, "nvidia,tegra30-sdhci"), COMPAT(NVIDIA_TEGRA20_SDMMC, "nvidia,tegra20-sdhci"), @@ -38,6 +39,7 @@ static const char * const compat_names[COMPAT_COUNT] = { COMPAT(NVIDIA_TEGRA30_PCIE, "nvidia,tegra30-pcie"), COMPAT(NVIDIA_TEGRA20_PCIE, "nvidia,tegra20-pcie"), COMPAT(NVIDIA_TEGRA124_XUSB_PADCTL, "nvidia,tegra124-xusb-padctl"), + COMPAT(NVIDIA_TEGRA210_XUSB_PADCTL, "nvidia,tegra210-xusb-padctl"), COMPAT(SMSC_LAN9215, "smsc,lan9215"), COMPAT(SAMSUNG_EXYNOS5_SROMC, "samsung,exynos-sromc"), COMPAT(SAMSUNG_S3C2440_I2C, "samsung,s3c2440-i2c"), @@ -88,29 +90,45 @@ const char *fdtdec_get_compatible(enum fdt_compat_id id) fdt_addr_t fdtdec_get_addr_size(const void *blob, int node, const char *prop_name, fdt_size_t *sizep) { - const fdt_addr_t *cell; - int len; + const fdt32_t *ptr, *end; + int parent, na, ns, len; + fdt_addr_t addr; debug("%s: %s: ", __func__, prop_name); - cell = fdt_getprop(blob, node, prop_name, &len); - if (cell && ((!sizep && len == sizeof(fdt_addr_t)) || - len == sizeof(fdt_addr_t) * 2)) { - fdt_addr_t addr = fdt_addr_to_cpu(*cell); - if (sizep) { - const fdt_size_t *size; - - size = (fdt_size_t *)((char *)cell + - sizeof(fdt_addr_t)); - *sizep = fdt_size_to_cpu(*size); - debug("addr=%08lx, size=%llx\n", - (ulong)addr, (u64)*sizep); - } else { - debug("%08lx\n", (ulong)addr); - } - return addr; + + parent = fdt_parent_offset(blob, node); + if (parent < 0) { + debug("(no parent found)\n"); + return FDT_ADDR_T_NONE; } - debug("(not found)\n"); - return FDT_ADDR_T_NONE; + + na = fdt_address_cells(blob, parent); + ns = fdt_size_cells(blob, parent); + + ptr = fdt_getprop(blob, node, prop_name, &len); + if (!ptr) { + debug("(not found)\n"); + return FDT_ADDR_T_NONE; + } + + end = ptr + len / sizeof(*ptr); + + if (ptr + na + ns > end) { + debug("(not enough data: expected %d bytes, got %d bytes)\n", + (na + ns) * 4, len); + return FDT_ADDR_T_NONE; + } + + addr = fdtdec_get_number(ptr, na); + + if (sizep) { + *sizep = fdtdec_get_number(ptr + na, ns); + debug("addr=%pa, size=%pa\n", &addr, sizep); + } else { + debug("%pa\n", &addr); + } + + return addr; } fdt_addr_t fdtdec_get_addr(const void *blob, int node, |