@@ -26,6 +26,9 @@
#include <asm/io.h>
#include <asm-generic/gpio.h>
#include <dm/device-internal.h>
+#include <dm/of_dev.h>
+#include <dm/of_extra.h>
+#include <dm/of_ref.h>
#include <dm/uclass-internal.h>
#ifdef DEBUG_TRACE
@@ -996,15 +999,12 @@ int cros_ec_get_ldo(struct udevice *dev, uint8_t index, uint8_t *state)
int cros_ec_register(struct udevice *dev)
{
struct cros_ec_dev *cdev = dev_get_uclass_priv(dev);
- const void *blob = gd->fdt_blob;
- int node = dev_of_offset(dev);
char id[MSG_BYTES];
cdev->dev = dev;
gpio_request_by_name(dev, "ec-interrupt", 0, &cdev->ec_int,
GPIOD_IS_IN);
- cdev->optimise_flash_write = fdtdec_get_bool(blob, node,
- "optimise-flash-write");
+ cdev->optimise_flash_write = dev_read_bool(dev, "optimise-flash-write");
if (cros_ec_check_version(cdev)) {
debug("%s: Could not detect CROS-EC version\n", __func__);
@@ -1023,28 +1023,26 @@ int cros_ec_register(struct udevice *dev)
return 0;
}
-int cros_ec_decode_ec_flash(const void *blob, int node,
- struct fdt_cros_ec *config)
+int cros_ec_decode_ec_flash(struct udevice *dev, struct fdt_cros_ec *config)
{
- int flash_node;
+ of_node_ref flash_node, node;
- flash_node = fdt_subnode_offset(blob, node, "flash");
- if (flash_node < 0) {
+ flash_node = dev_find_subnode(dev, "flash");
+ if (!of_ref_valid(flash_node)) {
debug("Failed to find flash node\n");
return -1;
}
- if (fdtdec_read_fmap_entry(blob, flash_node, "flash",
- &config->flash)) {
+ if (of_read_fmap_entry(flash_node, "flash", &config->flash)) {
debug("Failed to decode flash node in chrome-ec'\n");
return -1;
}
- config->flash_erase_value = fdtdec_get_int(blob, flash_node,
- "erase-value", -1);
- for (node = fdt_first_subnode(blob, flash_node); node >= 0;
- node = fdt_next_subnode(blob, node)) {
- const char *name = fdt_get_name(blob, node, NULL);
+ config->flash_erase_value = of_ref_read_s32_default(flash_node,
+ "erase-value", -1);
+ for (node = of_ref_first_subnode(flash_node); of_ref_valid(node);
+ node = of_ref_next_subnode(node)) {
+ const char *name = of_ref_get_name(node);
enum ec_flash_region region;
if (0 == strcmp(name, "ro")) {
@@ -1058,8 +1056,7 @@ int cros_ec_decode_ec_flash(const void *blob, int node,
return -1;
}
- if (fdtdec_read_fmap_entry(blob, node, "reg",
- &config->region[region])) {
+ if (of_read_fmap_entry(node, "reg", &config->region[region])) {
debug("Failed to decode flash region in chrome-ec'\n");
return -1;
}
@@ -522,7 +522,7 @@ int cros_ec_probe(struct udevice *dev)
int err;
memcpy(ec, &s_state, sizeof(*ec));
- err = cros_ec_decode_ec_flash(blob, dev_of_offset(dev), &ec->ec_config);
+ err = cros_ec_decode_ec_flash(dev, &ec->ec_config);
if (err)
return err;
@@ -11,9 +11,9 @@
#include <linux/compiler.h>
#include <ec_commands.h>
-#include <fdtdec.h>
#include <cros_ec_message.h>
#include <asm/gpio.h>
+#include <dm/of_extra.h>
/* Our configuration information */
struct cros_ec_dev {
@@ -377,12 +377,10 @@ int cros_ec_get_error(void);
/**
* Returns information from the FDT about the Chrome EC flash
*
- * @param blob FDT blob to use
- * @param node Node offset to read from
+ * @param dev Device to read from
* @param config Structure to use to return information
*/
-int cros_ec_decode_ec_flash(const void *blob, int node,
- struct fdt_cros_ec *config);
+int cros_ec_decode_ec_flash(struct udevice *dev, struct fdt_cros_ec *config);
/**
* Check the current keyboard state, in case recovery mode is requested.
@@ -807,40 +807,6 @@ const u8 *fdtdec_locate_byte_array(const void *blob, int node,
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.
*
@@ -932,38 +932,6 @@ int fdtdec_decode_region(const void *blob, int node, const char *prop_name,
return 0;
}
-/**
- * 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)
-{
- const char *prop;
- u32 reg[2];
-
- if (fdtdec_get_int_array(blob, node, "reg", reg, 2)) {
- debug("Node '%s' has bad/missing 'reg' property\n", name);
- return -FDT_ERR_NOTFOUND;
- }
- entry->offset = reg[0];
- entry->length = reg[1];
- entry->used = fdtdec_get_int(blob, node, "used", entry->length);
- prop = fdt_getprop(blob, node, "compress", NULL);
- entry->compress_algo = prop && !strcmp(prop, "lzo") ?
- FMAP_COMPRESS_LZO : FMAP_COMPRESS_NONE;
- prop = fdt_getprop(blob, node, "hash", &entry->hash_size);
- entry->hash_algo = prop ? FMAP_HASH_SHA256 : FMAP_HASH_NONE;
- entry->hash = (uint8_t *)prop;
-
- return 0;
-}
-
u64 fdtdec_get_number(const fdt32_t *ptr, unsigned int cells)
{
u64 number = 0;
Convert this driver to support the live device tree and remove the old fdtdec support. The keyboard is not yet converted. Signed-off-by: Simon Glass <sjg@chromium.org> --- drivers/misc/cros_ec.c | 33 +++++++++++++++------------------ drivers/misc/cros_ec_sandbox.c | 2 +- include/cros_ec.h | 8 +++----- include/fdtdec.h | 34 ---------------------------------- lib/fdtdec.c | 32 -------------------------------- 5 files changed, 19 insertions(+), 90 deletions(-)