diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 12:06:36 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 12:06:36 +0200 |
| commit | a18f22a968de17b29f2310cdb7ba69163e65ec15 (patch) | |
| tree | a7d56d88fad5e444d7661484109758a2f436129e /arch/mn10300/unit-asb2364/unit-init.c | |
| parent | a1c57e0fec53defe745e64417eacdbd3618c3e66 (diff) | |
| parent | 798778b8653f64b7b2162ac70eca10367cff6ce8 (diff) | |
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts:
arch/ia64/kernel/cyclone.c
arch/mips/kernel/i8253.c
arch/x86/kernel/i8253.c
Reason: Resolve conflicts so further cleanups do not conflict further
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/mn10300/unit-asb2364/unit-init.c')
| -rw-r--r-- | arch/mn10300/unit-asb2364/unit-init.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/mn10300/unit-asb2364/unit-init.c b/arch/mn10300/unit-asb2364/unit-init.c index 11440803db10..6359b41ce7e9 100644 --- a/arch/mn10300/unit-asb2364/unit-init.c +++ b/arch/mn10300/unit-asb2364/unit-init.c @@ -20,13 +20,41 @@ #include <asm/processor.h> #include <asm/irq.h> #include <asm/intctl-regs.h> +#include <asm/serial-regs.h> #include <unit/fpga-regs.h> +#include <unit/serial.h> +#include <unit/smsc911x.h> + +#define TTYS0_SERIAL_IER __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IER * 2, u8) +#define LAN_IRQ_CFG __SYSREG(SMSC911X_BASE + 0x54, u32) +#define LAN_INT_EN __SYSREG(SMSC911X_BASE + 0x5c, u32) /* * initialise some of the unit hardware before gdbstub is set up */ asmlinkage void __init unit_init(void) { + /* Make sure we aren't going to get unexpected interrupts */ + TTYS0_SERIAL_IER = 0; + SC0RXICR = 0; + SC0TXICR = 0; + SC1RXICR = 0; + SC1TXICR = 0; + SC2RXICR = 0; + SC2TXICR = 0; + + /* Attempt to reset the FPGA attached peripherals */ + ASB2364_FPGA_REG_RESET_LAN = 0x0000; + SyncExBus(); + ASB2364_FPGA_REG_RESET_UART = 0x0000; + SyncExBus(); + ASB2364_FPGA_REG_RESET_I2C = 0x0000; + SyncExBus(); + ASB2364_FPGA_REG_RESET_USB = 0x0000; + SyncExBus(); + ASB2364_FPGA_REG_RESET_AV = 0x0000; + SyncExBus(); + /* set up the external interrupts */ /* XIRQ[0]: NAND RXBY */ @@ -56,7 +84,23 @@ asmlinkage void __init unit_init(void) */ asmlinkage void __init unit_setup(void) { + /* Release the reset on the SMSC911X so that it is ready by the time we + * need it */ + ASB2364_FPGA_REG_RESET_LAN = 0x0001; + SyncExBus(); + ASB2364_FPGA_REG_RESET_UART = 0x0001; + SyncExBus(); + ASB2364_FPGA_REG_RESET_I2C = 0x0001; + SyncExBus(); + ASB2364_FPGA_REG_RESET_USB = 0x0001; + SyncExBus(); + ASB2364_FPGA_REG_RESET_AV = 0x0001; + SyncExBus(); + /* Make sure the ethernet chipset isn't going to give us an interrupt + * storm from stuff it was doing pre-reset */ + LAN_IRQ_CFG = 0; + LAN_INT_EN = 0; } /* |