barebox-state: support sysmobts

Signed-off-by: Jan Luebbe <jluebbe@debian.org>
This commit is contained in:
Jan Luebbe 2015-05-31 20:06:32 +02:00 committed by Holger Hans Peter Freyther
parent 50a86a5528
commit 2ec9d6401d
4 changed files with 147 additions and 2 deletions

View File

@ -1,9 +1,14 @@
DESCRIPTION = "barebox state tool (dt)" DESCRIPTION = "barebox state tool (dt)"
LICENSE = "GPLv2" LICENSE = "GPLv2"
LIC_FILES_CHKSUM = "file://COPYING;md5=9ac2e7cff1ddaf48b6eab6028f23ef88" LIC_FILES_CHKSUM = "file://COPYING;md5=9ac2e7cff1ddaf48b6eab6028f23ef88"
PR = "r0" PR = "r2"
SRC_URI = "git://git.pengutronix.de/git/tools/dt-utils.git" SRC_URI = "\
git://git.pengutronix.de/git/tools/dt-utils.git\
file://0001-barebox-state-fix-typo.patch\
file://0002-barebox-state-add-support-for-uint8-variables.patch\
file://0003-hardcode-sysmobts-values.patch\
"
PACKAGES =+ "libdt-utils barebox-fdtdump" PACKAGES =+ "libdt-utils barebox-fdtdump"

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@ -0,0 +1,26 @@
From bd5d86df489c7620b02537fd2a3fd2725125056f Mon Sep 17 00:00:00 2001
From: Jan Luebbe <jluebbe@debian.org>
Date: Sat, 30 May 2015 19:44:54 +0200
Subject: [PATCH 1/3] barebox-state: fix typo
Signed-off-by: Jan Luebbe <jluebbe@debian.org>
---
src/barebox-state.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/barebox-state.c b/src/barebox-state.c
index 61ea160..57305c4 100644
--- a/src/barebox-state.c
+++ b/src/barebox-state.c
@@ -1698,7 +1698,7 @@ static struct state *state_get(const char *name)
state = state_new_from_node(node->name, node);
if (IS_ERR(state)) {
- fprintf(stderr, "unable to initlialize state: %s\n",
+ fprintf(stderr, "unable to initialize state: %s\n",
strerror(PTR_ERR(state)));
return ERR_CAST(state);
}
--
2.1.4

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@ -0,0 +1,73 @@
From cada2ed0b4ca0d467621fa90de304421e17b4869 Mon Sep 17 00:00:00 2001
From: Jan Luebbe <jluebbe@debian.org>
Date: Sat, 30 May 2015 19:52:55 +0200
Subject: [PATCH 2/3] barebox-state: add support for uint8 variables
Signed-off-by: Jan Luebbe <jluebbe@debian.org>
---
src/barebox-state.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/src/barebox-state.c b/src/barebox-state.c
index 57305c4..f56275f 100644
--- a/src/barebox-state.c
+++ b/src/barebox-state.c
@@ -81,6 +81,7 @@ struct state_backend {
enum state_variable_type {
STATE_TYPE_INVALID = 0,
STATE_TYPE_ENUM,
+ STATE_TYPE_U8,
STATE_TYPE_U32,
STATE_TYPE_MAC,
};
@@ -185,6 +186,32 @@ static int state_uint32_import(struct state_variable *sv,
return 0;
}
+static struct state_variable *state_uint8_create(struct state *state,
+ const char *name, struct device_node *node)
+{
+ struct state_uint32 *su32;
+ struct param_d *param;
+
+ su32 = xzalloc(sizeof(*su32));
+
+ param = dev_add_param_int(&state->dev, name, state_set_dirty,
+ NULL, &su32->value, "%u", state);
+ if (IS_ERR(param)) {
+ free(su32);
+ return ERR_CAST(param);
+ }
+
+ su32->param = param;
+ su32->var.size = sizeof(uint8_t);
+#ifdef __LITTLE_ENDIAN
+ su32->var.raw = &su32->value;
+#else
+ su32->var.raw = &su32->value + 3;
+#endif
+
+ return &su32->var;
+}
+
static struct state_variable *state_uint32_create(struct state *state,
const char *name, struct device_node *node)
{
@@ -395,6 +422,14 @@ out:
static struct variable_type types[] = {
{
+ .type = STATE_TYPE_U8,
+ .type_name = "uint8",
+ .export = state_uint32_export,
+ .import = state_uint32_import,
+ .create = state_uint8_create,
+ .set = state_uint32_set,
+ .get = state_uint32_get,
+ }, {
.type = STATE_TYPE_U32,
.type_name = "uint32",
.export = state_uint32_export,
--
2.1.4

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@ -0,0 +1,41 @@
From 4cc63588211df7bf328e55820cfe19b56ea776b6 Mon Sep 17 00:00:00 2001
From: Jan Luebbe <jluebbe@debian.org>
Date: Sat, 30 May 2015 20:00:10 +0200
Subject: [PATCH 3/3] hardcode sysmobts values
Signed-off-by: Jan Luebbe <jluebbe@debian.org>
---
src/barebox-state.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/barebox-state.c b/src/barebox-state.c
index f56275f..002ee5c 100644
--- a/src/barebox-state.c
+++ b/src/barebox-state.c
@@ -1738,6 +1738,7 @@ static struct state *state_get(const char *name)
return ERR_CAST(state);
}
+#if 0
partition_node = of_parse_phandle(node, "backend", 0);
if (!partition_node) {
fprintf(stderr, "cannot find backend node in %s\n", node->full_name);
@@ -1750,9 +1751,14 @@ static struct state *state_get(const char *name)
return ERR_PTR(ret);
}
+#endif
+ devpath = "/sys/bus/i2c/devices/1-0050/eeprom";
+ offset = 0x25;
+ size = 0x54;
+
of_property_read_string(node, "backend-type", &backend_type);
if (!strcmp(backend_type, "raw"))
- ret = state_backend_raw_file(state, partition_node->full_name, devpath, offset, size);
+ ret = state_backend_raw_file(state, "/i2c/eeprom@50/partition@0", devpath, offset, size);
else
fprintf(stderr, "invalid backend type: %s\n", backend_type);
--
2.1.4