]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - lib/fdtdec.c
include/net.h: add max_speed member in struct eth_pdata
[people/ms/u-boot.git] / lib / fdtdec.c
index b65e1e6185550e4651ebce5ecb46d50cecccf791..1093c305266ccf34e44c2de95653975746279f2c 100644 (file)
@@ -5,6 +5,7 @@
 
 #ifndef USE_HOSTCC
 #include <common.h>
+#include <dm.h>
 #include <errno.h>
 #include <serial.h>
 #include <libfdt.h>
@@ -24,7 +25,6 @@ static const char * const compat_names[COMPAT_COUNT] = {
        COMPAT(UNKNOWN, "<none>"),
        COMPAT(NVIDIA_TEGRA20_EMC, "nvidia,tegra20-emc"),
        COMPAT(NVIDIA_TEGRA20_EMC_TABLE, "nvidia,tegra20-emc-table"),
-       COMPAT(NVIDIA_TEGRA20_KBC, "nvidia,tegra20-kbc"),
        COMPAT(NVIDIA_TEGRA20_NAND, "nvidia,tegra20-nand"),
        COMPAT(NVIDIA_TEGRA20_PWM, "nvidia,tegra20-pwm"),
        COMPAT(NVIDIA_TEGRA124_DC, "nvidia,tegra124-dc"),
@@ -35,9 +35,6 @@ static const char * const compat_names[COMPAT_COUNT] = {
        COMPAT(NVIDIA_TEGRA124_SDMMC, "nvidia,tegra124-sdhci"),
        COMPAT(NVIDIA_TEGRA30_SDMMC, "nvidia,tegra30-sdhci"),
        COMPAT(NVIDIA_TEGRA20_SDMMC, "nvidia,tegra20-sdhci"),
-       COMPAT(NVIDIA_TEGRA124_PCIE, "nvidia,tegra124-pcie"),
-       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"),
@@ -58,8 +55,6 @@ static const char * const compat_names[COMPAT_COUNT] = {
        COMPAT(MAXIM_MAX77686_PMIC, "maxim,max77686"),
        COMPAT(GENERIC_SPI_FLASH, "spi-flash"),
        COMPAT(MAXIM_98095_CODEC, "maxim,max98095-codec"),
-       COMPAT(INFINEON_SLB9635_TPM, "infineon,slb9635-tpm"),
-       COMPAT(INFINEON_SLB9645_TPM, "infineon,slb9645tt"),
        COMPAT(SAMSUNG_EXYNOS5_I2C, "samsung,exynos5-hsi2c"),
        COMPAT(SANDBOX_LCD_SDL, "sandbox,lcd-sdl"),
        COMPAT(SAMSUNG_EXYNOS_SYSMMU, "samsung,sysmmu-v3.3"),
@@ -76,6 +71,8 @@ static const char * const compat_names[COMPAT_COUNT] = {
        COMPAT(COMPAT_INTEL_PCH, "intel,bd82x6x"),
        COMPAT(COMPAT_INTEL_IRQ_ROUTER, "intel,irq-router"),
        COMPAT(ALTERA_SOCFPGA_DWMAC, "altr,socfpga-stmmac"),
+       COMPAT(ALTERA_SOCFPGA_DWMMC, "altr,socfpga-dw-mshc"),
+       COMPAT(ALTERA_SOCFPGA_DWC2USB, "snps,dwc2"),
        COMPAT(COMPAT_INTEL_BAYTRAIL_FSP, "intel,baytrail-fsp"),
        COMPAT(COMPAT_INTEL_BAYTRAIL_FSP_MDP, "intel,baytrail-fsp-mdp"),
 };
@@ -87,32 +84,105 @@ const char *fdtdec_get_compatible(enum fdt_compat_id id)
        return compat_names[id];
 }
 
-fdt_addr_t fdtdec_get_addr_size(const void *blob, int node,
-               const char *prop_name, fdt_size_t *sizep)
+fdt_addr_t fdtdec_get_addr_size_fixed(const void *blob, int node,
+               const char *prop_name, int index, int na, int ns,
+               fdt_size_t *sizep)
 {
-       const fdt_addr_t *cell;
+       const fdt32_t *prop, *prop_end;
+       const fdt32_t *prop_addr, *prop_size, *prop_after_size;
        int 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;
+
+       if (na > (sizeof(fdt_addr_t) / sizeof(fdt32_t))) {
+               debug("(na too large for fdt_addr_t type)\n");
+               return FDT_ADDR_T_NONE;
        }
-       debug("(not found)\n");
-       return FDT_ADDR_T_NONE;
+
+       if (ns > (sizeof(fdt_size_t) / sizeof(fdt32_t))) {
+               debug("(ns too large for fdt_size_t type)\n");
+               return FDT_ADDR_T_NONE;
+       }
+
+       prop = fdt_getprop(blob, node, prop_name, &len);
+       if (!prop) {
+               debug("(not found)\n");
+               return FDT_ADDR_T_NONE;
+       }
+       prop_end = prop + (len / sizeof(*prop));
+
+       prop_addr = prop + (index * (na + ns));
+       prop_size = prop_addr + na;
+       prop_after_size = prop_size + ns;
+       if (prop_after_size > prop_end) {
+               debug("(not enough data: expected >= %d cells, got %d cells)\n",
+                     (u32)(prop_after_size - prop), ((u32)(prop_end - prop)));
+               return FDT_ADDR_T_NONE;
+       }
+
+       addr = fdtdec_get_number(prop_addr, na);
+
+       if (sizep) {
+               *sizep = fdtdec_get_number(prop_size, ns);
+               debug("addr=%08llx, size=%llx\n", (u64)addr, (u64)*sizep);
+       } else {
+               debug("addr=%08llx\n", (u64)addr);
+       }
+
+       return addr;
+}
+
+fdt_addr_t fdtdec_get_addr_size_auto_parent(const void *blob, int parent,
+               int node, const char *prop_name, int index, fdt_size_t *sizep)
+{
+       int na, ns;
+
+       debug("%s: ", __func__);
+
+       na = fdt_address_cells(blob, parent);
+       if (na < 1) {
+               debug("(bad #address-cells)\n");
+               return FDT_ADDR_T_NONE;
+       }
+
+       ns = fdt_size_cells(blob, parent);
+       if (ns < 0) {
+               debug("(bad #size-cells)\n");
+               return FDT_ADDR_T_NONE;
+       }
+
+       debug("na=%d, ns=%d, ", na, ns);
+
+       return fdtdec_get_addr_size_fixed(blob, node, prop_name, index, na,
+                                         ns, sizep);
+}
+
+fdt_addr_t fdtdec_get_addr_size_auto_noparent(const void *blob, int node,
+               const char *prop_name, int index, fdt_size_t *sizep)
+{
+       int parent;
+
+       debug("%s: ", __func__);
+
+       parent = fdt_parent_offset(blob, node);
+       if (parent < 0) {
+               debug("(no parent found)\n");
+               return FDT_ADDR_T_NONE;
+       }
+
+       return fdtdec_get_addr_size_auto_parent(blob, parent, node, prop_name,
+                                               index, sizep);
+}
+
+fdt_addr_t fdtdec_get_addr_size(const void *blob, int node,
+               const char *prop_name, fdt_size_t *sizep)
+{
+       int ns = sizep ? (sizeof(fdt_size_t) / sizeof(fdt32_t)) : 0;
+
+       return fdtdec_get_addr_size_fixed(blob, node, prop_name, 0,
+                                         sizeof(fdt_addr_t) / sizeof(fdt32_t),
+                                         ns, sizep);
 }
 
 fdt_addr_t fdtdec_get_addr(const void *blob, int node,
@@ -121,7 +191,7 @@ fdt_addr_t fdtdec_get_addr(const void *blob, int node,
        return fdtdec_get_addr_size(blob, node, prop_name, NULL);
 }
 
-#ifdef CONFIG_PCI
+#if defined(CONFIG_PCI) && defined(CONFIG_DM_PCI)
 int fdtdec_get_pci_addr(const void *blob, int node, enum fdt_pci_space type,
                const char *prop_name, struct fdt_pci_addr *addr)
 {
@@ -147,13 +217,13 @@ int fdtdec_get_pci_addr(const void *blob, int node, enum fdt_pci_space type,
 
                for (i = 0; i < num; i++) {
                        debug("pci address #%d: %08lx %08lx %08lx\n", i,
-                             (ulong)fdt_addr_to_cpu(cell[0]),
-                             (ulong)fdt_addr_to_cpu(cell[1]),
-                             (ulong)fdt_addr_to_cpu(cell[2]));
-                       if ((fdt_addr_to_cpu(*cell) & type) == type) {
-                               addr->phys_hi = fdt_addr_to_cpu(cell[0]);
-                               addr->phys_mid = fdt_addr_to_cpu(cell[1]);
-                               addr->phys_lo = fdt_addr_to_cpu(cell[2]);
+                             (ulong)fdt32_to_cpu(cell[0]),
+                             (ulong)fdt32_to_cpu(cell[1]),
+                             (ulong)fdt32_to_cpu(cell[2]));
+                       if ((fdt32_to_cpu(*cell) & type) == type) {
+                               addr->phys_hi = fdt32_to_cpu(cell[0]);
+                               addr->phys_mid = fdt32_to_cpu(cell[1]);
+                               addr->phys_lo = fdt32_to_cpu(cell[1]);
                                break;
                        } else {
                                cell += (FDT_PCI_ADDR_CELLS +
@@ -207,66 +277,17 @@ int fdtdec_get_pci_vendev(const void *blob, int node, u16 *vendor, u16 *device)
 
                                return 0;
                        }
-               } else {
-                       list += (len + 1);
                }
+               list += (len + 1);
        }
 
        return -ENOENT;
 }
 
-int fdtdec_get_pci_bdf(const void *blob, int node,
-               struct fdt_pci_addr *addr, pci_dev_t *bdf)
+int fdtdec_get_pci_bar32(struct udevice *dev, struct fdt_pci_addr *addr,
+                        u32 *bar)
 {
-       u16 dt_vendor, dt_device, vendor, device;
-       int ret;
-
-       /* get vendor id & device id from the compatible string */
-       ret = fdtdec_get_pci_vendev(blob, node, &dt_vendor, &dt_device);
-       if (ret)
-               return ret;
-
-       /* extract the bdf from fdt_pci_addr */
-       *bdf = addr->phys_hi & 0xffff00;
-
-       /* read vendor id & device id based on bdf */
-       pci_read_config_word(*bdf, PCI_VENDOR_ID, &vendor);
-       pci_read_config_word(*bdf, PCI_DEVICE_ID, &device);
-
-       /*
-        * Note there are two places in the device tree to fully describe
-        * a pci device: one is via compatible string with a format of
-        * "pciVVVV,DDDD" and the other one is the bdf numbers encoded in
-        * the device node's reg address property. We read the vendor id
-        * and device id based on bdf and compare the values with the
-        * "VVVV,DDDD". If they are the same, then we are good to use bdf
-        * to read device's bar. But if they are different, we have to rely
-        * on the vendor id and device id extracted from the compatible
-        * string and locate the real bdf by pci_find_device(). This is
-        * because normally we may only know device's device number and
-        * function number when writing device tree. The bus number is
-        * dynamically assigned during the pci enumeration process.
-        */
-       if ((dt_vendor != vendor) || (dt_device != device)) {
-               *bdf = pci_find_device(dt_vendor, dt_device, 0);
-               if (*bdf == -1)
-                       return -ENODEV;
-       }
-
-       return 0;
-}
-
-int fdtdec_get_pci_bar32(const void *blob, int node,
-               struct fdt_pci_addr *addr, u32 *bar)
-{
-       pci_dev_t bdf;
        int barnum;
-       int ret;
-
-       /* get pci devices's bdf */
-       ret = fdtdec_get_pci_bdf(blob, node, addr, &bdf);
-       if (ret)
-               return ret;
 
        /* extract the bar number from fdt_pci_addr */
        barnum = addr->phys_hi & 0xff;
@@ -274,7 +295,7 @@ int fdtdec_get_pci_bar32(const void *blob, int node,
                return -EINVAL;
 
        barnum = (barnum - PCI_BASE_ADDRESS_0) / 4;
-       *bar = pci_read_bar32(pci_bus_to_hose(PCI_BUS(bdf)), bdf, barnum);
+       *bar = dm_pci_read_bar32(dev, barnum);
 
        return 0;
 }
@@ -530,16 +551,21 @@ int fdtdec_get_alias_seq(const void *blob, const char *base, int offset,
        return -ENOENT;
 }
 
-int fdtdec_get_chosen_node(const void *blob, const char *name)
+const char *fdtdec_get_chosen_prop(const void *blob, const char *name)
 {
-       const char *prop;
        int chosen_node;
-       int len;
 
        if (!blob)
-               return -FDT_ERR_NOTFOUND;
+               return NULL;
        chosen_node = fdt_path_offset(blob, "/chosen");
-       prop = fdt_getprop(blob, chosen_node, name, &len);
+       return fdt_getprop(blob, chosen_node, name, NULL);
+}
+
+int fdtdec_get_chosen_node(const void *blob, const char *name)
+{
+       const char *prop;
+
+       prop = fdtdec_get_chosen_prop(blob, name);
        if (!prop)
                return -FDT_ERR_NOTFOUND;
        return fdt_path_offset(blob, prop);
@@ -1146,8 +1172,11 @@ int fdtdec_setup(void)
        gd->fdt_blob = __dtb_dt_begin;
 # elif defined CONFIG_OF_SEPARATE
 #  ifdef CONFIG_SPL_BUILD
-       /* FDT is at end of BSS */
-       gd->fdt_blob = (ulong *)&__bss_end;
+       /* FDT is at end of BSS unless it is in a different memory region */
+       if (IS_ENABLED(CONFIG_SPL_SEPARATE_BSS))
+               gd->fdt_blob = (ulong *)&_image_binary_end;
+       else
+               gd->fdt_blob = (ulong *)&__bss_end;
 #  else
        /* FDT is at end of image */
        gd->fdt_blob = (ulong *)&_end;