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83xx/fdt_support: let user specifiy FSL USB Dual-Role controller role

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Linux understands "host" (default), "peripheral" and "otg" (broken).
Though, U-Boot doesn't restrict dr_mode variable to these values (think
of renames in future).

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Anton Vorontsov 2008-03-14 23:20:18 +03:00 • committed by Kim Phillips
parent c7604783b2
commit 18e69a35ef
4 changed files with 34 additions and 0 deletions
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1
board/freescale/mpc837xerdb/mpc837xerdb.c
View file

@ -197,5 +197,6 @@ void ft_board_setup(void *blob, bd_t *bd)
ft_pci_setup(blob, bd);
#endif
ft_cpu_setup(blob, bd);
fdt_fixup_dr_usb(blob, bd);
}
#endif /* CONFIG_OF_BOARD_SETUP */

25
common/fdt_support.c
View file

@ -422,3 +422,28 @@ void fdt_fixup_ethernet(void *fdt, bd_t *bd)
}
}
#endif
#ifdef CONFIG_HAS_FSL_DR_USB
void fdt_fixup_dr_usb(void *blob, bd_t *bd)
{
char *mode;
const char *compat = "fsl-usb2-dr";
const char *prop = "dr_mode";
int node_offset;
int err;
mode = getenv("usb_dr_mode");
if (!mode)
return;
node_offset = fdt_node_offset_by_compatible(blob, 0, compat);
if (node_offset < 0)
printf("WARNING: could not find compatible node %s: %s.\n",
compat, fdt_strerror(node_offset));
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));
}
#endif /* CONFIG_HAS_FSL_DR_USB */

2
include/configs/MPC837XERDB.h
View file

@ -591,6 +591,8 @@
#define CONFIG_ETH1ADDR 00:04:9f:ef:04:02
#endif
#define CONFIG_HAS_FSL_DR_USB
#define CONFIG_IPADDR 10.0.0.2
#define CONFIG_SERVERIP 10.0.0.1
#define CONFIG_GATEWAYIP 10.0.0.1

6
include/fdt_support.h
View file

@ -50,6 +50,12 @@ int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
const void *val, int len, int create);
void fdt_fixup_qe_firmware(void *fdt);
#ifdef CONFIG_HAS_FSL_DR_USB
void fdt_fixup_dr_usb(void *blob, bd_t *bd);
#else
static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {}
#endif /* CONFIG_HAS_FSL_DR_USB */
#ifdef CONFIG_OF_BOARD_SETUP
void ft_board_setup(void *blob, bd_t *bd);
void ft_cpu_setup(void *blob, bd_t *bd);