*/
DECLARE_GLOBAL_DATA_PTR;
+/**
+ * fdt_getprop_u32_default - Find a node and return it's property or a default
+ *
+ * @fdt: ptr to device tree
+ * @path: path of node
+ * @prop: property name
+ * @dflt: default value if the property isn't found
+ *
+ * Convenience function to find a node and return it's property or a
+ * default value if it doesn't exist.
+ */
+u32 fdt_getprop_u32_default(void *fdt, const char *path, const char *prop,
+ const u32 dflt)
+{
+ const u32 *val;
+ int off;
+
+ off = fdt_path_offset(fdt, path);
+ if (off < 0)
+ return dflt;
+
+ val = fdt_getprop(fdt, off, prop, NULL);
+ if (val)
+ return *val;
+ else
+ return dflt;
+}
/**
* fdt_find_and_setprop: Find a node and set it's property
}
#endif
-int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
+int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force)
{
int nodeoffset;
- int err;
- u32 tmp; /* used to set 32 bit integer properties */
- char *str; /* used to set string properties */
+ int err, j, total;
+ u32 tmp;
const char *path;
+ uint64_t addr, size;
- err = fdt_check_header(fdt);
- if (err < 0) {
- printf("fdt_chosen: %s\n", fdt_strerror(err));
- return err;
+ /* Find the "chosen" node. */
+ nodeoffset = fdt_path_offset (fdt, "/chosen");
+
+ /* If there is no "chosen" node in the blob return */
+ if (nodeoffset < 0) {
+ printf("fdt_initrd: %s\n", fdt_strerror(nodeoffset));
+ return nodeoffset;
}
- if (initrd_start && initrd_end) {
- uint64_t addr, size;
- int total = fdt_num_mem_rsv(fdt);
- int j;
+ /* just return if initrd_start/end aren't valid */
+ if ((initrd_start == 0) || (initrd_end == 0))
+ return 0;
- /*
- * Look for an existing entry and update it. If we don't find
- * the entry, we will j be the next available slot.
- */
- for (j = 0; j < total; j++) {
- err = fdt_get_mem_rsv(fdt, j, &addr, &size);
- if (addr == initrd_start) {
- fdt_del_mem_rsv(fdt, j);
- break;
- }
+ total = fdt_num_mem_rsv(fdt);
+
+ /*
+ * Look for an existing entry and update it. If we don't find
+ * the entry, we will j be the next available slot.
+ */
+ for (j = 0; j < total; j++) {
+ err = fdt_get_mem_rsv(fdt, j, &addr, &size);
+ if (addr == initrd_start) {
+ fdt_del_mem_rsv(fdt, j);
+ break;
}
+ }
+
+ err = fdt_add_mem_rsv(fdt, initrd_start, initrd_end - initrd_start + 1);
+ if (err < 0) {
+ printf("fdt_initrd: %s\n", fdt_strerror(err));
+ return err;
+ }
- err = fdt_add_mem_rsv(fdt, initrd_start, initrd_end - initrd_start + 1);
+ path = fdt_getprop(fdt, nodeoffset, "linux,initrd-start", NULL);
+ if ((path == NULL) || force) {
+ tmp = __cpu_to_be32(initrd_start);
+ err = fdt_setprop(fdt, nodeoffset,
+ "linux,initrd-start", &tmp, sizeof(tmp));
+ if (err < 0) {
+ printf("WARNING: "
+ "could not set linux,initrd-start %s.\n",
+ fdt_strerror(err));
+ return err;
+ }
+ tmp = __cpu_to_be32(initrd_end);
+ err = fdt_setprop(fdt, nodeoffset,
+ "linux,initrd-end", &tmp, sizeof(tmp));
if (err < 0) {
- printf("fdt_chosen: %s\n", fdt_strerror(err));
+ printf("WARNING: could not set linux,initrd-end %s.\n",
+ fdt_strerror(err));
+
return err;
}
}
+ return 0;
+}
+
+int fdt_chosen(void *fdt, int force)
+{
+ int nodeoffset;
+ int err;
+ char *str; /* used to set string properties */
+ const char *path;
+
+ err = fdt_check_header(fdt);
+ if (err < 0) {
+ printf("fdt_chosen: %s\n", fdt_strerror(err));
+ return err;
+ }
+
/*
* Find the "chosen" node.
*/
fdt_strerror(err));
}
}
- if (initrd_start && initrd_end) {
- path = fdt_getprop(fdt, nodeoffset, "linux,initrd-start", NULL);
- if ((path == NULL) || force) {
- tmp = __cpu_to_be32(initrd_start);
- err = fdt_setprop(fdt, nodeoffset,
- "linux,initrd-start", &tmp, sizeof(tmp));
- if (err < 0)
- printf("WARNING: "
- "could not set linux,initrd-start %s.\n",
- fdt_strerror(err));
- tmp = __cpu_to_be32(initrd_end);
- err = fdt_setprop(fdt, nodeoffset,
- "linux,initrd-end", &tmp, sizeof(tmp));
- if (err < 0)
- printf("WARNING: could not set linux,initrd-end %s.\n",
- fdt_strerror(err));
- }
- }
#ifdef CONFIG_OF_STDOUT_VIA_ALIAS
path = fdt_getprop(fdt, nodeoffset, "linux,stdout-path", NULL);
return 0;
}
-#if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
- defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
-
-void fdt_fixup_ethernet(void *fdt, bd_t *bd)
+void fdt_fixup_ethernet(void *fdt)
{
- int node;
+ int node, i, j;
+ char enet[16], *tmp, *end;
+ char mac[16] = "ethaddr";
const char *path;
+ unsigned char mac_addr[6];
node = fdt_path_offset(fdt, "/aliases");
- if (node >= 0) {
-#if defined(CONFIG_HAS_ETH0)
- path = fdt_getprop(fdt, node, "ethernet0", NULL);
- if (path) {
- do_fixup_by_path(fdt, path, "mac-address",
- bd->bi_enetaddr, 6, 0);
- do_fixup_by_path(fdt, path, "local-mac-address",
- bd->bi_enetaddr, 6, 1);
- }
-#endif
-#if defined(CONFIG_HAS_ETH1)
- path = fdt_getprop(fdt, node, "ethernet1", NULL);
- if (path) {
- do_fixup_by_path(fdt, path, "mac-address",
- bd->bi_enet1addr, 6, 0);
- do_fixup_by_path(fdt, path, "local-mac-address",
- bd->bi_enet1addr, 6, 1);
- }
-#endif
-#if defined(CONFIG_HAS_ETH2)
- path = fdt_getprop(fdt, node, "ethernet2", NULL);
- if (path) {
- do_fixup_by_path(fdt, path, "mac-address",
- bd->bi_enet2addr, 6, 0);
- do_fixup_by_path(fdt, path, "local-mac-address",
- bd->bi_enet2addr, 6, 1);
+ if (node < 0)
+ return;
+
+ i = 0;
+ while ((tmp = getenv(mac)) != NULL) {
+ sprintf(enet, "ethernet%d", i);
+ path = fdt_getprop(fdt, node, enet, NULL);
+ if (!path) {
+ debug("No alias for %s\n", enet);
+ sprintf(mac, "eth%daddr", ++i);
+ continue;
}
-#endif
-#if defined(CONFIG_HAS_ETH3)
- path = fdt_getprop(fdt, node, "ethernet3", NULL);
- if (path) {
- do_fixup_by_path(fdt, path, "mac-address",
- bd->bi_enet3addr, 6, 0);
- do_fixup_by_path(fdt, path, "local-mac-address",
- bd->bi_enet3addr, 6, 1);
+
+ for (j = 0; j < 6; j++) {
+ mac_addr[j] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
+ if (tmp)
+ tmp = (*end) ? end+1 : end;
}
-#endif
+
+ do_fixup_by_path(fdt, path, "mac-address", &mac_addr, 6, 0);
+ do_fixup_by_path(fdt, path, "local-mac-address",
+ &mac_addr, 6, 1);
+
+ sprintf(mac, "eth%daddr", ++i);
}
}
-#endif
#ifdef CONFIG_HAS_FSL_DR_USB
void fdt_fixup_dr_usb(void *blob, bd_t *bd)
{
char *mode;
+ char *type;
const char *compat = "fsl-usb2-dr";
- const char *prop = "dr_mode";
+ const char *prop_mode = "dr_mode";
+ const char *prop_type = "phy_type";
int node_offset;
int err;
mode = getenv("usb_dr_mode");
- if (!mode)
+ type = getenv("usb_phy_type");
+ if (!mode && !type)
return;
node_offset = fdt_node_offset_by_compatible(blob, 0, compat);
- if (node_offset < 0)
+ if (node_offset < 0) {
printf("WARNING: could not find compatible node %s: %s.\n",
compat, fdt_strerror(node_offset));
+ return;
+ }
- err = fdt_setprop(blob, node_offset, prop, mode, strlen(mode) + 1);
- if (err < 0)
- printf("WARNING: could not set %s for %s: %s.\n",
- prop, compat, fdt_strerror(err));
+ if (mode) {
+ err = fdt_setprop(blob, node_offset, prop_mode, mode,
+ strlen(mode) + 1);
+ if (err < 0)
+ printf("WARNING: could not set %s for %s: %s.\n",
+ prop_mode, compat, fdt_strerror(err));
+ }
+
+ if (type) {
+ err = fdt_setprop(blob, node_offset, prop_type, type,
+ strlen(type) + 1);
+ if (err < 0)
+ printf("WARNING: could not set %s for %s: %s.\n",
+ prop_type, compat, fdt_strerror(err));
+ }
}
#endif /* CONFIG_HAS_FSL_DR_USB */
+
+#if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx)
+/*
+ * update crypto node properties to a specified revision of the SEC
+ * called with sec_rev == 0 if not on an mpc8xxxE processor
+ */
+void fdt_fixup_crypto_node(void *blob, int sec_rev)
+{
+ const struct sec_rev_prop {
+ u32 sec_rev;
+ u32 num_channels;
+ u32 channel_fifo_len;
+ u32 exec_units_mask;
+ u32 descriptor_types_mask;
+ } sec_rev_prop_list [] = {
+ { 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
+ { 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
+ { 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
+ { 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
+ { 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
+ { 0x0303, 4, 24, 0x97c, 0x03ab0abf }, /* SEC 3.3 */
+ };
+ char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
+ sizeof("fsl,secX.Y")];
+ int crypto_node, sec_idx, err;
+ char *p;
+ u32 val;
+
+ /* locate crypto node based on lowest common compatible */
+ crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
+ if (crypto_node == -FDT_ERR_NOTFOUND)
+ return;
+
+ /* delete it if not on an E-processor */
+ if (crypto_node > 0 && !sec_rev) {
+ fdt_del_node(blob, crypto_node);
+ return;
+ }
+
+ /* else we got called for possible uprev */
+ for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
+ if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
+ break;
+
+ if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
+ puts("warning: unknown SEC revision number\n");
+ return;
+ }
+
+ val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
+ err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
+ if (err < 0)
+ printf("WARNING: could not set crypto property: %s\n",
+ fdt_strerror(err));
+
+ val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
+ err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
+ if (err < 0)
+ printf("WARNING: could not set crypto property: %s\n",
+ fdt_strerror(err));
+
+ val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
+ err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
+ if (err < 0)
+ printf("WARNING: could not set crypto property: %s\n",
+ fdt_strerror(err));
+
+ val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
+ err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
+ if (err < 0)
+ printf("WARNING: could not set crypto property: %s\n",
+ fdt_strerror(err));
+
+ val = 0;
+ while (sec_idx >= 0) {
+ p = compat_strlist + val;
+ val += sprintf(p, "fsl,sec%d.%d",
+ (sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
+ sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
+ sec_idx--;
+ }
+ err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
+ if (err < 0)
+ printf("WARNING: could not set crypto property: %s\n",
+ fdt_strerror(err));
+}
+#endif /* defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) */
+
+/* Resize the fdt to its actual size + a bit of padding */
+int fdt_resize(void *blob)
+{
+ int i;
+ uint64_t addr, size;
+ int total, ret;
+ uint actualsize;
+
+ if (!blob)
+ return 0;
+
+ total = fdt_num_mem_rsv(blob);
+ for (i = 0; i < total; i++) {
+ fdt_get_mem_rsv(blob, i, &addr, &size);
+ if (addr == (uint64_t)(u32)blob) {
+ fdt_del_mem_rsv(blob, i);
+ break;
+ }
+ }
+
+ /*
+ * Calculate the actual size of the fdt
+ * plus the size needed for fdt_add_mem_rsv
+ */
+ actualsize = fdt_off_dt_strings(blob) +
+ fdt_size_dt_strings(blob) + sizeof(struct fdt_reserve_entry);
+
+ /* Make it so the fdt ends on a page boundary */
+ actualsize = ALIGN(actualsize + ((uint)blob & 0xfff), 0x1000);
+ actualsize = actualsize - ((uint)blob & 0xfff);
+
+ /* Change the fdt header to reflect the correct size */
+ fdt_set_totalsize(blob, actualsize);
+
+ /* Add the new reservation */
+ ret = fdt_add_mem_rsv(blob, (uint)blob, actualsize);
+ if (ret < 0)
+ return ret;
+
+ return actualsize;
+}
+
+#ifdef CONFIG_PCI
+#define CONFIG_SYS_PCI_NR_INBOUND_WIN 3
+
+#define FDT_PCI_PREFETCH (0x40000000)
+#define FDT_PCI_MEM32 (0x02000000)
+#define FDT_PCI_IO (0x01000000)
+#define FDT_PCI_MEM64 (0x03000000)
+
+int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose) {
+
+ int addrcell, sizecell, len, r;
+ u32 *dma_range;
+ /* sized based on pci addr cells, size-cells, & address-cells */
+ u32 dma_ranges[(3 + 2 + 2) * CONFIG_SYS_PCI_NR_INBOUND_WIN];
+
+ addrcell = fdt_getprop_u32_default(blob, "/", "#address-cells", 1);
+ sizecell = fdt_getprop_u32_default(blob, "/", "#size-cells", 1);
+
+ dma_range = &dma_ranges[0];
+ for (r = 0; r < hose->region_count; r++) {
+ u64 bus_start, phys_start, size;
+
+ /* skip if !PCI_REGION_SYS_MEMORY */
+ if (!(hose->regions[r].flags & PCI_REGION_SYS_MEMORY))
+ continue;
+
+ bus_start = (u64)hose->regions[r].bus_start;
+ phys_start = (u64)hose->regions[r].phys_start;
+ size = (u64)hose->regions[r].size;
+
+ dma_range[0] = 0;
+ if (size > 0x100000000ull)
+ dma_range[0] |= FDT_PCI_MEM64;
+ else
+ dma_range[0] |= FDT_PCI_MEM32;
+ if (hose->regions[r].flags & PCI_REGION_PREFETCH)
+ dma_range[0] |= FDT_PCI_PREFETCH;
+#ifdef CONFIG_SYS_PCI_64BIT
+ dma_range[1] = bus_start >> 32;
+#else
+ dma_range[1] = 0;
+#endif
+ dma_range[2] = bus_start & 0xffffffff;
+
+ if (addrcell == 2) {
+ dma_range[3] = phys_start >> 32;
+ dma_range[4] = phys_start & 0xffffffff;
+ } else {
+ dma_range[3] = phys_start & 0xffffffff;
+ }
+
+ if (sizecell == 2) {
+ dma_range[3 + addrcell + 0] = size >> 32;
+ dma_range[3 + addrcell + 1] = size & 0xffffffff;
+ } else {
+ dma_range[3 + addrcell + 0] = size & 0xffffffff;
+ }
+
+ dma_range += (3 + addrcell + sizecell);
+ }
+
+ len = dma_range - &dma_ranges[0];
+ if (len)
+ fdt_setprop(blob, phb_off, "dma-ranges", &dma_ranges[0], len*4);
+
+ return 0;
+}
+#endif
projects / karo-tx-uboot.git / blobdiff