diff options
Diffstat (limited to 'target/linux/adm8668/files/arch/mips/adm8668/setup.c')
| -rw-r--r-- | target/linux/adm8668/files/arch/mips/adm8668/setup.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/setup.c b/target/linux/adm8668/files/arch/mips/adm8668/setup.c new file mode 100644 index 0000000000..927d827284 --- /dev/null +++ b/target/linux/adm8668/files/arch/mips/adm8668/setup.c @@ -0,0 +1,52 @@ +#include <linux/init.h> +#include <linux/reboot.h> + +#include <asm/reboot.h> +#include <adm8668.h> + +static void adm8668_restart(char *cmd) +{ + int i; + + /* stop eth0 and eth1 */ + ADM8668_LAN_REG(NETCSR6) = (1 << 13) | (1 << 1); + ADM8668_LAN_REG(NETCSR7) = 0; + ADM8668_WAN_REG(NETCSR6) = (1 << 13) | (1 << 1); + ADM8668_WAN_REG(NETCSR7) = 0; + + /* reset PHY */ + ADM8668_WAN_REG(NETCSR37) = 0x20; + for (i = 0; i < 10000; i++) + ; + ADM8668_WAN_REG(NETCSR37) = 0; + for (i = 0; i < 10000; i++) + ; + + /* the real deal */ + for (i = 0; i < 1000; i++) + ; + ADM8668_CONFIG_REG(ADM8668_CR1) = 1; +} + +void __init plat_mem_setup(void) +{ + _machine_restart = adm8668_restart; +} + +const char *get_system_type(void) +{ + unsigned long chipid = ADM8668_CONFIG_REG(ADM8668_CR0); + int adj = (ADM8668_CONFIG_REG(ADM8668_CR3) >> 11) & 0xf; + int product, revision, mhz; + static char ret[32]; + + product = chipid >> 16; + revision = chipid & 0xffff; + mhz = (SYS_CLOCK/1000000) + (adj * 5); + + /* i getting fancy :\ */ + snprintf(ret, sizeof(ret), "ADM%xr%x %dMHz", product, revision, mhz); + + return ret; +} + |