From cda126a7ef6fbb54a18a4786c15117800a13f7b3 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Thu, 16 Jun 2011 21:16:13 +0200 Subject: simtrace: add support for the analog bus switch --- firmware/src/simtrace/sim_switch.c | 76 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 firmware/src/simtrace/sim_switch.c (limited to 'firmware/src/simtrace/sim_switch.c') diff --git a/firmware/src/simtrace/sim_switch.c b/firmware/src/simtrace/sim_switch.c new file mode 100644 index 0000000..4f5621c --- /dev/null +++ b/firmware/src/simtrace/sim_switch.c @@ -0,0 +1,76 @@ +/* + * (C) 2011 by Harald Welte + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include + +#include "../simtrace.h" +#include "../openpcd.h" + +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + +void sim_switch_mode(int connect_io, int connect_misc) +{ + if (connect_io) + AT91F_PIO_SetOutput(AT91C_BASE_PIOA, SIMTRACE_PIO_IO_SW); + else + AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, SIMTRACE_PIO_IO_SW); + + if (connect_misc) + AT91F_PIO_SetOutput(AT91C_BASE_PIOA, SIMTRACE_PIO_SC_SW); + else + AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, SIMTRACE_PIO_SC_SW); +} + +static void sw_sim_irq(u_int32_t pio) +{ + + if (!AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, pio)) + DEBUGPCR("SIM card inserted"); + else + DEBUGPCR("SIM card removed"); +} + +void sim_switch_init(void) +{ + DEBUGPCR("ISO_SW Initializing"); + + /* make sure we get clock from the power management controller */ + AT91F_US0_CfgPMC(); + + /* configure both signals as output */ + AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, SIMTRACE_PIO_SC_SW | + SIMTRACE_PIO_IO_SW); + + /* configure sim card detect */ + AT91F_PIO_CfgInput(AT91C_BASE_PIOA, SIMTRACE_PIO_SW_SIM); + AT91F_PIO_CfgInputFilter(AT91C_BASE_PIOA, SIMTRACE_PIO_SW_SIM); + pio_irq_register(SIMTRACE_PIO_SW_SIM, &sw_sim_irq); + pio_irq_enable(SIMTRACE_PIO_SW_SIM); +} -- cgit v1.2.3