diff options
Diffstat (limited to 'sys/arm/allwinner/a10_sramc.c')
| -rw-r--r-- | sys/arm/allwinner/a10_sramc.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/sys/arm/allwinner/a10_sramc.c b/sys/arm/allwinner/a10_sramc.c index a26afbb..22ba1f7 100644 --- a/sys/arm/allwinner/a10_sramc.c +++ b/sys/arm/allwinner/a10_sramc.c @@ -52,6 +52,7 @@ __FBSDID("$FreeBSD$"); #include "a10_sramc.h" #define SRAM_CTL1_CFG 0x04 +#define CTL1_CFG_SRAMD_MAP_USB0 (1 << 0) struct a10_sramc_softc { struct resource *res; @@ -71,7 +72,7 @@ static int a10_sramc_probe(device_t dev) { - if (ofw_bus_is_compatible(dev, "allwinner,sun4i-sramc")) { + if (ofw_bus_is_compatible(dev, "allwinner,sun4i-a10-sram-controller")) { device_set_desc(dev, "Allwinner sramc module"); return (BUS_PROBE_DEFAULT); } @@ -113,7 +114,8 @@ static driver_t a10_sramc_driver = { static devclass_t a10_sramc_devclass; -DRIVER_MODULE(a10_sramc, simplebus, a10_sramc_driver, a10_sramc_devclass, 0, 0); +EARLY_DRIVER_MODULE(a10_sramc, simplebus, a10_sramc_driver, a10_sramc_devclass, + 0, 0, BUS_PASS_RESOURCE + BUS_PASS_ORDER_EARLY); int a10_map_to_emac(void) @@ -131,3 +133,20 @@ a10_map_to_emac(void) return (0); } + +int +a10_map_to_otg(void) +{ + struct a10_sramc_softc *sc = a10_sramc_sc; + uint32_t reg_value; + + if (sc == NULL) + return (ENXIO); + + /* Map SRAM to OTG */ + reg_value = sramc_read_4(sc, SRAM_CTL1_CFG); + reg_value |= CTL1_CFG_SRAMD_MAP_USB0; + sramc_write_4(sc, SRAM_CTL1_CFG, reg_value); + + return (0); +} |
