static void
ep93xxuart_disable_clocks(struct uart_port *port)
{
unsigned int uiSysDevCfg;
/*
* Disable the clocks to this UART in CSC_syscon
* - Read DEVCFG
* - AND to clear the correct uart enable bit
* - Set the lock register
* - Write back to DEVCFG
*/
uiSysDevCfg = inl(SYSCON_DEVCFG);
switch ((unsigned long)port->mapbase) {
case EP93XX_UART1_PHYS_BASE:
uiSysDevCfg &= ~((unsigned int)SYSCON_DEVCFG_U1EN);
break;
case EP93XX_UART2_PHYS_BASE:
uiSysDevCfg &= ~((unsigned int)SYSCON_DEVCFG_U2EN);
break;
case EP93XX_UART3_PHYS_BASE:
uiSysDevCfg &= ~((unsigned int)SYSCON_DEVCFG_U3EN);
break;
}
SysconSetLocked( SYSCON_DEVCFG, uiSysDevCfg );
}
static void ep93xx_sir_open(dongle_t *self, struct qos_info *qos)
{
unsigned int uiTemp;
DPRINTK("----------------\n ep93xx_sir_open \n-----------------\n");
/*
* Set UART2 to be an IrDA interface
*/
uiTemp = inl(SYSCON_DEVCFG);
SysconSetLocked(SYSCON_DEVCFG, (uiTemp | SYSCON_DEVCFG_IonU2) );
/*
* Set the pulse width.
*/
//uiTemp = inl(UART2ILPR);
outl( 3, UART2ILPR );
/*
* Set SIREN bit in UART2 - this enables the SIR encoder/decoder.
*/
uiTemp = inl(UART2CR);
outl( (uiTemp | AMBA_UARTCR_SIREN), UART2CR );
/*
* Enable Ir in SIR mode.
*/
/* Write the reg twice because of the IrDA errata. */
outl( IrEnable_EN_SIR, IrEnable );
outl( IrEnable_EN_SIR, IrEnable );
MOD_INC_USE_COUNT;
}
static int __init
ep93xx_init(void)
{
#ifndef CONFIG_MACH_IPD
unsigned int uiTemp;
int SSP_Handle;
/*
* Enable halt mode.
*/
uiTemp = inl(SYSCON_DEVCFG) | SYSCON_DEVCFG_SHena;
SysconSetLocked(SYSCON_DEVCFG, uiTemp);
/*
* Set the bus priority.
*/
outl(BMAR_PRIORD_02, SYSCON_BMAR);
/*
* Get the hostname from the SPI FLASH if it has been programmed.
*/
SSP_Handle = SSPDriver->Open(SERIAL_FLASH, 0);
if(SSP_Handle != -1) {
SSPDriver->Read( SSP_Handle, 0x1000, &uiTemp );
if (uiTemp == 0x43414d45) {
SSPDriver->Read( SSP_Handle, 0x1010, &uiTemp );
system_utsname.nodename[0] = uiTemp & 255;
system_utsname.nodename[1] = (uiTemp >> 8) & 255;
system_utsname.nodename[2] = (uiTemp >> 16) & 255;
system_utsname.nodename[3] = uiTemp >> 24;
SSPDriver->Read( SSP_Handle, 0x1014, &uiTemp );
system_utsname.nodename[4] = uiTemp & 255;
system_utsname.nodename[5] = (uiTemp >> 8) & 255;
system_utsname.nodename[6] = (uiTemp >> 16) & 255;
system_utsname.nodename[7] = uiTemp >> 24;
SSPDriver->Read( SSP_Handle, 0x1018, &uiTemp );
system_utsname.nodename[8] = uiTemp & 255;
system_utsname.nodename[9] = (uiTemp >> 8) & 255;
system_utsname.nodename[10] = (uiTemp >> 16) & 255;
system_utsname.nodename[11] = uiTemp >> 24;
SSPDriver->Read( SSP_Handle, 0x101c, &uiTemp );
system_utsname.nodename[12] = uiTemp & 255;
system_utsname.nodename[13] = (uiTemp >> 8) & 255;
system_utsname.nodename[14] = (uiTemp >> 16) & 255;
system_utsname.nodename[15] = uiTemp >> 24;
system_utsname.nodename[16] = 0;
}
static void ep93xx_sir_close(dongle_t *self)
{
unsigned int uiTemp;
DPRINTK("----------------\n ep93xx_sir_close \n-----------------\n");
/*
* Disable Ir.
*/
/* for now, don't write irda regs due to errata. */
//outl( IrEnable_EN_NONE, IrEnable );
/*
* Set UART2 to be an UART
*/
uiTemp = inl( SYSCON_DEVCFG );
SysconSetLocked(SYSCON_DEVCFG, (uiTemp & ~(SYSCON_DEVCFG_IonU2)) );
MOD_DEC_USE_COUNT;
}
