X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fmn10300%2Funit-asb2364%2Funit-init.c;h=6359b41ce7e970ce0bc8f7d71919487b366b3d8e;hb=ddb7d1e975d224885397c002512ded987be3c3bc;hp=11440803db10f97a8adfdb320541850939f7535e;hpb=02b2944cd70c3166984699dd623612e2f8a3eebf;p=pandora-kernel.git

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;
 }
 
 /*