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sunxi: board: extract creating a unique sid into a helper function

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Refactor setup_environment() so we can use the created sid for a
Bluetooth address too.

Signed-off-by: Andre Heider <a.heider@gmail.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
[rebased]
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
This commit is contained in:
Andre Heider 2021-10-01 19:29:00 +01:00 committed by Andre Przywara
parent ec9cdaaa13
commit 928f4f4868
1 changed files with 58 additions and 47 deletions
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37
board/sunxi/board.c
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@ -789,20 +789,14 @@ static void parse_spl_header(const uint32_t spl_addr)
env_set_hex("fel_scriptaddr", spl->fel_script_address);
}
/*
* Note this function gets called multiple times.
* It must not make any changes to env variables which already exist.
*/
static void setup_environment(const void *fdt)
static bool get_unique_sid(unsigned int *sid)
{
char serial_string[17] = { 0 };
unsigned int sid[4];
uint8_t mac_addr[6];
char ethaddr[16];
int i, ret;
if (sunxi_get_sid(sid) != 0)
return false;
if (!sid[0])
return false;
ret = sunxi_get_sid(sid);
if (ret == 0 && sid[0] != 0) {
/*
* The single words 1 - 3 of the SID have quite a few bits
* which are the same on many models, so we take a crc32
@ -824,6 +818,24 @@ static void setup_environment(const void *fdt)
if ((sid[3] & 0xffffff) == 0)
sid[3] |= 0x800000;
return true;
}
/*
* Note this function gets called multiple times.
* It must not make any changes to env variables which already exist.
*/
static void setup_environment(const void *fdt)
{
char serial_string[17] = { 0 };
unsigned int sid[4];
uint8_t mac_addr[6];
char ethaddr[16];
int i;
if (!get_unique_sid(sid))
return;
for (i = 0; i < 4; i++) {
sprintf(ethaddr, "ethernet%d", i);
if (!fdt_get_alias(fdt, ethaddr))
@ -855,7 +867,6 @@ static void setup_environment(const void *fdt)
env_set("serial#", serial_string);
}
}
}
int misc_init_r(void)
{