* (C) Copyright 2007
* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
*
- * Copyright 2010 Freescale Semiconductor, Inc.
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <linux/ctype.h>
#include <linux/types.h>
#include <asm/global_data.h>
-#include <fdt.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <exports.h>
* 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)
+u32 fdt_getprop_u32_default(const void *fdt, const char *path,
+ const char *prop, const u32 dflt)
{
- const u32 *val;
+ const fdt32_t *val;
int off;
off = fdt_path_offset(fdt, path);
val = fdt_getprop(fdt, off, prop, NULL);
if (val)
- return *val;
+ return fdt32_to_cpu(*val);
else
return dflt;
}
if (nodeoff < 0)
return nodeoff;
- if ((!create) && (fdt_get_property(fdt, nodeoff, prop, 0) == NULL))
+ if ((!create) && (fdt_get_property(fdt, nodeoff, prop, NULL) == NULL))
return 0; /* create flag not set; so exit quietly */
return fdt_setprop(fdt, nodeoff, prop, val, len);
#ifdef CONFIG_OF_STDOUT_VIA_ALIAS
-#ifdef CONFIG_SERIAL_MULTI
+#ifdef CONFIG_CONS_INDEX
static void fdt_fill_multisername(char *sername, size_t maxlen)
{
const char *outname = stdio_devices[stdout]->name;
if (strcmp(outname + 1, "serial") > 0)
strncpy(sername, outname + 1, maxlen);
}
-#else
-static inline void fdt_fill_multisername(char *sername, size_t maxlen) {}
-#endif /* CONFIG_SERIAL_MULTI */
+#endif
static int fdt_fixup_stdout(void *fdt, int chosenoff)
{
{
int nodeoffset;
int err, j, total;
- u32 tmp;
+ fdt32_t tmp;
const char *path;
uint64_t addr, size;
path = fdt_getprop(fdt, nodeoffset, "linux,initrd-start", NULL);
if ((path == NULL) || force) {
- tmp = __cpu_to_be32(initrd_start);
+ tmp = cpu_to_fdt32(initrd_start);
err = fdt_setprop(fdt, nodeoffset,
"linux,initrd-start", &tmp, sizeof(tmp));
if (err < 0) {
fdt_strerror(err));
return err;
}
- tmp = __cpu_to_be32(initrd_end);
+ tmp = cpu_to_fdt32(initrd_end);
err = fdt_setprop(fdt, nodeoffset,
"linux,initrd-end", &tmp, sizeof(tmp));
if (err < 0) {
void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
u32 val, int create)
{
- val = cpu_to_fdt32(val);
- do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create);
+ fdt32_t tmp = cpu_to_fdt32(val);
+ do_fixup_by_path(fdt, path, prop, &tmp, sizeof(tmp), create);
}
void do_fixup_by_prop(void *fdt,
#endif
off = fdt_node_offset_by_prop_value(fdt, -1, pname, pval, plen);
while (off != -FDT_ERR_NOTFOUND) {
- if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
+ if (create || (fdt_get_property(fdt, off, prop, NULL) != NULL))
fdt_setprop(fdt, off, prop, val, len);
off = fdt_node_offset_by_prop_value(fdt, off, pname, pval, plen);
}
const char *pname, const void *pval, int plen,
const char *prop, u32 val, int create)
{
- val = cpu_to_fdt32(val);
- do_fixup_by_prop(fdt, pname, pval, plen, prop, &val, 4, create);
+ fdt32_t tmp = cpu_to_fdt32(val);
+ do_fixup_by_prop(fdt, pname, pval, plen, prop, &tmp, 4, create);
}
void do_fixup_by_compat(void *fdt, const char *compat,
#endif
off = fdt_node_offset_by_compatible(fdt, -1, compat);
while (off != -FDT_ERR_NOTFOUND) {
- if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
+ if (create || (fdt_get_property(fdt, off, prop, NULL) != NULL))
fdt_setprop(fdt, off, prop, val, len);
off = fdt_node_offset_by_compatible(fdt, off, compat);
}
void do_fixup_by_compat_u32(void *fdt, const char *compat,
const char *prop, u32 val, int create)
{
- val = cpu_to_fdt32(val);
- do_fixup_by_compat(fdt, compat, prop, &val, 4, create);
+ fdt32_t tmp = cpu_to_fdt32(val);
+ do_fixup_by_compat(fdt, compat, prop, &tmp, 4, create);
}
/*
*/
static int get_cells_len(void *blob, char *nr_cells_name)
{
- const u32 *cell;
+ const fdt32_t *cell;
cell = fdt_getprop(blob, 0, nr_cells_name, NULL);
- if (cell && *cell == 2)
+ if (cell && fdt32_to_cpu(*cell) == 2)
return 8;
return 4;
}
}
+#ifdef CONFIG_NR_DRAM_BANKS
+#define MEMORY_BANKS_MAX CONFIG_NR_DRAM_BANKS
+#else
+#define MEMORY_BANKS_MAX 4
+#endif
int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks)
{
int err, nodeoffset;
int addr_cell_len, size_cell_len, len;
- u8 tmp[banks * 16]; /* Up to 64-bit address + 64-bit size */
+ u8 tmp[MEMORY_BANKS_MAX * 16]; /* Up to 64-bit address + 64-bit size */
int bank;
+ if (banks > MEMORY_BANKS_MAX) {
+ printf("%s: num banks %d exceeds hardcoded limit %d."
+ " Recompile with higher MEMORY_BANKS_MAX?\n",
+ __FUNCTION__, banks, MEMORY_BANKS_MAX);
+ return -1;
+ }
+
err = fdt_check_header(blob);
if (err < 0) {
printf("%s: %s\n", __FUNCTION__, fdt_strerror(err));
{
int node, i, j;
char enet[16], *tmp, *end;
- char mac[16] = "ethaddr";
+ char mac[16];
const char *path;
unsigned char mac_addr[6];
return;
i = 0;
+ strcpy(mac, "ethaddr");
while ((tmp = getenv(mac)) != NULL) {
sprintf(enet, "ethernet%d", i);
path = fdt_getprop(fdt, node, enet, NULL);
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) {
+ if (addr == (uintptr_t)blob) {
fdt_del_mem_rsv(blob, i);
break;
}
fdt_size_dt_strings(blob) + 5 * 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);
+ actualsize = ALIGN(actualsize + ((uintptr_t)blob & 0xfff), 0x1000);
+ actualsize = actualsize - ((uintptr_t)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);
+ ret = fdt_add_mem_rsv(blob, (uintptr_t)blob, actualsize);
if (ret < 0)
return ret;
-
+ if (getenv("fdtsize"))
+ setenv_hex("fdtsize", actualsize);
return actualsize;
}
}
/* Helper to read a big number; size is in cells (not bytes) */
-static inline u64 of_read_number(const __be32 *cell, int size)
+static inline u64 of_read_number(const fdt32_t *cell, int size)
{
u64 r = 0;
while (size--)
- r = (r << 32) | be32_to_cpu(*(cell++));
+ r = (r << 32) | fdt32_to_cpu(*(cell++));
return r;
}
/* Debug utility */
#ifdef DEBUG
-static void of_dump_addr(const char *s, const u32 *addr, int na)
+static void of_dump_addr(const char *s, const fdt32_t *addr, int na)
{
printf("%s", s);
while(na--)
printf("\n");
}
#else
-static void of_dump_addr(const char *s, const u32 *addr, int na) { }
+static void of_dump_addr(const char *s, const fdt32_t *addr, int na) { }
#endif
/* Callbacks for bus specific translators */
const char *addresses;
void (*count_cells)(void *blob, int parentoffset,
int *addrc, int *sizec);
- u64 (*map)(u32 *addr, const u32 *range,
+ u64 (*map)(fdt32_t *addr, const fdt32_t *range,
int na, int ns, int pna);
- int (*translate)(u32 *addr, u64 offset, int na);
+ int (*translate)(fdt32_t *addr, u64 offset, int na);
};
/* Default translator (generic bus) */
static void of_bus_default_count_cells(void *blob, int parentoffset,
int *addrc, int *sizec)
{
- const u32 *prop;
+ const fdt32_t *prop;
if (addrc) {
prop = fdt_getprop(blob, parentoffset, "#address-cells", NULL);
if (prop)
- *addrc = be32_to_cpup((u32 *)prop);
+ *addrc = be32_to_cpup(prop);
else
*addrc = 2;
}
if (sizec) {
prop = fdt_getprop(blob, parentoffset, "#size-cells", NULL);
if (prop)
- *sizec = be32_to_cpup((u32 *)prop);
+ *sizec = be32_to_cpup(prop);
else
*sizec = 1;
}
}
-static u64 of_bus_default_map(u32 *addr, const u32 *range,
+static u64 of_bus_default_map(fdt32_t *addr, const fdt32_t *range,
int na, int ns, int pna)
{
u64 cp, s, da;
return da - cp;
}
-static int of_bus_default_translate(u32 *addr, u64 offset, int na)
+static int of_bus_default_translate(fdt32_t *addr, u64 offset, int na)
{
u64 a = of_read_number(addr, na);
memset(addr, 0, na * 4);
a += offset;
if (na > 1)
- addr[na - 2] = a >> 32;
- addr[na - 1] = a & 0xffffffffu;
+ addr[na - 2] = cpu_to_fdt32(a >> 32);
+ addr[na - 1] = cpu_to_fdt32(a & 0xffffffffu);
return 0;
}
};
static int of_translate_one(void * blob, int parent, struct of_bus *bus,
- struct of_bus *pbus, u32 *addr,
+ struct of_bus *pbus, fdt32_t *addr,
int na, int ns, int pna, const char *rprop)
{
- const u32 *ranges;
+ const fdt32_t *ranges;
int rlen;
int rone;
u64 offset = OF_BAD_ADDR;
* to translate addresses that aren't supposed to be translated in
* the first place. --BenH.
*/
- ranges = (u32 *)fdt_getprop(blob, parent, rprop, &rlen);
+ ranges = fdt_getprop(blob, parent, rprop, &rlen);
if (ranges == NULL || rlen == 0) {
offset = of_read_number(addr, na);
memset(addr, 0, pna * 4);
* that can be mapped to a cpu physical address). This is not really specified
* that way, but this is traditionally the way IBM at least do things
*/
-u64 __of_translate_address(void *blob, int node_offset, const u32 *in_addr,
- const char *rprop)
+static u64 __of_translate_address(void *blob, int node_offset, const fdt32_t *in_addr,
+ const char *rprop)
{
int parent;
struct of_bus *bus, *pbus;
- u32 addr[OF_MAX_ADDR_CELLS];
+ fdt32_t addr[OF_MAX_ADDR_CELLS];
int na, ns, pna, pns;
u64 result = OF_BAD_ADDR;
goto bail;
bus = &of_busses[0];
- /* Cound address cells & copy address locally */
+ /* Count address cells & copy address locally */
bus->count_cells(blob, parent, &na, &ns);
if (!OF_CHECK_COUNTS(na, ns)) {
printf("%s: Bad cell count for %s\n", __FUNCTION__,
return result;
}
-u64 fdt_translate_address(void *blob, int node_offset, const u32 *in_addr)
+u64 fdt_translate_address(void *blob, int node_offset, const fdt32_t *in_addr)
{
return __of_translate_address(blob, node_offset, in_addr, "ranges");
}
{
int len, off = fdt_node_offset_by_compatible(blob, -1, compat);
while (off != -FDT_ERR_NOTFOUND) {
- u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", &len);
+ const fdt32_t *reg = fdt_getprop(blob, off, "reg", &len);
if (reg) {
if (compat_off == fdt_translate_address(blob, off, reg))
return off;
*/
int fdt_alloc_phandle(void *blob)
{
- int offset, len, phandle = 0;
- const u32 *val;
+ int offset, phandle = 0;
for (offset = fdt_next_node(blob, -1, NULL); offset >= 0;
offset = fdt_next_node(blob, offset, NULL)) {
- val = fdt_getprop(blob, offset, "linux,phandle", &len);
- if (val)
- phandle = max(*val, phandle);
+ phandle = max(phandle, fdt_get_phandle(blob, offset));
}
return phandle + 1;
* @fdt: ptr to device tree
* @nodeoffset: node to update
*/
-int fdt_create_phandle(void *fdt, int nodeoffset)
+unsigned int fdt_create_phandle(void *fdt, int nodeoffset)
{
/* see if there is a phandle already */
int phandle = fdt_get_phandle(fdt, nodeoffset);
/* if we got 0, means no phandle so create one */
if (phandle == 0) {
+ int ret;
+
phandle = fdt_alloc_phandle(fdt);
- fdt_set_phandle(fdt, nodeoffset, phandle);
+ ret = fdt_set_phandle(fdt, nodeoffset, phandle);
+ if (ret < 0) {
+ printf("Can't set phandle %u: %s\n", phandle,
+ fdt_strerror(ret));
+ return 0;
+ }
}
return phandle;
}
-#if defined(CONFIG_VIDEO)
+/*
+ * fdt_set_node_status: Set status for the given node
+ *
+ * @fdt: ptr to device tree
+ * @nodeoffset: node to update
+ * @status: FDT_STATUS_OKAY, FDT_STATUS_DISABLED,
+ * FDT_STATUS_FAIL, FDT_STATUS_FAIL_ERROR_CODE
+ * @error_code: optional, only used if status is FDT_STATUS_FAIL_ERROR_CODE
+ */
+int fdt_set_node_status(void *fdt, int nodeoffset,
+ enum fdt_status status, unsigned int error_code)
+{
+ char buf[16];
+ int ret = 0;
+
+ if (nodeoffset < 0)
+ return nodeoffset;
+
+ switch (status) {
+ case FDT_STATUS_OKAY:
+ ret = fdt_setprop_string(fdt, nodeoffset, "status", "okay");
+ break;
+ case FDT_STATUS_DISABLED:
+ ret = fdt_setprop_string(fdt, nodeoffset, "status", "disabled");
+ break;
+ case FDT_STATUS_FAIL:
+ ret = fdt_setprop_string(fdt, nodeoffset, "status", "fail");
+ break;
+ case FDT_STATUS_FAIL_ERROR_CODE:
+ sprintf(buf, "fail-%d", error_code);
+ ret = fdt_setprop_string(fdt, nodeoffset, "status", buf);
+ break;
+ default:
+ printf("Invalid fdt status: %x\n", status);
+ ret = -1;
+ break;
+ }
+
+ return ret;
+}
+
+/*
+ * fdt_set_status_by_alias: Set status for the given node given an alias
+ *
+ * @fdt: ptr to device tree
+ * @alias: alias of node to update
+ * @status: FDT_STATUS_OKAY, FDT_STATUS_DISABLED,
+ * FDT_STATUS_FAIL, FDT_STATUS_FAIL_ERROR_CODE
+ * @error_code: optional, only used if status is FDT_STATUS_FAIL_ERROR_CODE
+ */
+int fdt_set_status_by_alias(void *fdt, const char* alias,
+ enum fdt_status status, unsigned int error_code)
+{
+ int offset = fdt_path_offset(fdt, alias);
+
+ return fdt_set_node_status(fdt, offset, status, error_code);
+}
+
+#if defined(CONFIG_VIDEO) || defined(CONFIG_LCD)
int fdt_add_edid(void *blob, const char *compat, unsigned char *edid_buf)
{
int noff;
int fdt_verify_alias_address(void *fdt, int anode, const char *alias, u64 addr)
{
const char *path;
- const u32 *reg;
+ const fdt32_t *reg;
int node, len;
u64 dt_addr;
{
int size;
u32 naddr;
- const u32 *prop;
+ const fdt32_t *prop;
prop = fdt_getprop(fdt, node, "#address-cells", &size);
if (prop && size == 4)
- naddr = *prop;
+ naddr = be32_to_cpup(prop);
else
naddr = 2;
projects / karo-tx-uboot.git / blobdiff