diff options
Diffstat (limited to 'board/omap3/zoom2')
| -rw-r--r-- | board/omap3/zoom2/Makefile | 53 | ||||
| -rw-r--r-- | board/omap3/zoom2/config.mk | 33 | ||||
| -rw-r--r-- | board/omap3/zoom2/debug_board.c | 59 | ||||
| -rw-r--r-- | board/omap3/zoom2/led.c | 129 | ||||
| -rw-r--r-- | board/omap3/zoom2/zoom2.c | 172 | ||||
| -rw-r--r-- | board/omap3/zoom2/zoom2.h | 158 | ||||
| -rw-r--r-- | board/omap3/zoom2/zoom2_serial.c | 130 | ||||
| -rw-r--r-- | board/omap3/zoom2/zoom2_serial.h | 75 |
8 files changed, 809 insertions, 0 deletions
diff --git a/board/omap3/zoom2/Makefile b/board/omap3/zoom2/Makefile new file mode 100644 index 0000000..2feafbe --- /dev/null +++ b/board/omap3/zoom2/Makefile @@ -0,0 +1,53 @@ +# +# (C) Copyright 2000, 2001, 2002 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# 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 $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS-y := $(BOARD).o +COBJS-y += debug_board.o +COBJS-y += zoom2_serial.o +COBJS-$(CONFIG_STATUS_LED) += led.o + +COBJS := $(sort $(COBJS-y)) +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/omap3/zoom2/config.mk b/board/omap3/zoom2/config.mk new file mode 100644 index 0000000..33f394b --- /dev/null +++ b/board/omap3/zoom2/config.mk @@ -0,0 +1,33 @@ +# +# (C) Copyright 2009 +# Texas Instruments, <www.ti.com> +# +# Zoom II uses OMAP3 (ARM-CortexA8) CPU +# see http://www.ti.com/ for more information on Texas Instruments +# +# See file CREDITS for list of people who contributed to this +# project. +# +# 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 +# +# Physical Address: +# 0x80000000 (bank0) +# 0xA0000000 (bank1) +# Linux-Kernel is expected to be at 0x80008000, entry 0x80008000 +# (mem base + reserved) + +# For use with external or internal boots. +TEXT_BASE = 0x80e80000 diff --git a/board/omap3/zoom2/debug_board.c b/board/omap3/zoom2/debug_board.c new file mode 100644 index 0000000..a4ddf29 --- /dev/null +++ b/board/omap3/zoom2/debug_board.c @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix <Tom.Rix@windriver.com> + * + * 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 <common.h> +#include <asm/arch/cpu.h> +#include <asm/io.h> +#include <asm/arch/mux.h> +#include <asm/arch/gpio.h> + +#define DEBUG_BOARD_CONNECTED 1 +#define DEBUG_BOARD_NOT_CONNECTED 0 + +static int debug_board_connected = DEBUG_BOARD_CONNECTED; + +static void zoom2_debug_board_detect (void) +{ + int val = 0; + + if (!omap_request_gpio(158)) { + /* + * GPIO to query for debug board + * 158 db board query + */ + omap_set_gpio_direction(158, 1); + val = omap_get_gpio_datain(158); + omap_free_gpio(158); + } + + if (!val) + debug_board_connected = DEBUG_BOARD_NOT_CONNECTED; +} + +int zoom2_debug_board_connected (void) +{ + static int first_time = 1; + + if (first_time) { + zoom2_debug_board_detect (); + first_time = 0; + } + return debug_board_connected; +} diff --git a/board/omap3/zoom2/led.c b/board/omap3/zoom2/led.c new file mode 100644 index 0000000..4e14c58 --- /dev/null +++ b/board/omap3/zoom2/led.c @@ -0,0 +1,129 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix <Tom.Rix@windriver.com> + * + * 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 <common.h> +#include <status_led.h> +#include <asm/arch/cpu.h> +#include <asm/io.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/gpio.h> + +static unsigned int saved_state[2] = {STATUS_LED_OFF, STATUS_LED_OFF}; + +/* + * GPIO LEDs + * 173 red + * 154 blue + * 61 blue2 + */ +#define ZOOM2_LED_RED 173 +#define ZOOM2_LED_BLUE 154 +#define ZOOM2_LED_BLUE2 61 + +void red_LED_off (void) +{ + /* red */ + if (!omap_request_gpio(ZOOM2_LED_RED)) { + omap_set_gpio_direction(ZOOM2_LED_RED, 0); + omap_set_gpio_dataout(ZOOM2_LED_RED, 0); + } + saved_state[STATUS_LED_RED] = STATUS_LED_OFF; +} + +void blue_LED_off (void) +{ + /* blue */ + if (!omap_request_gpio(ZOOM2_LED_BLUE)) { + omap_set_gpio_direction(ZOOM2_LED_BLUE, 0); + omap_set_gpio_dataout(ZOOM2_LED_BLUE, 0); + } + + /* blue 2 */ + if (!omap_request_gpio(ZOOM2_LED_BLUE2)) { + omap_set_gpio_direction(ZOOM2_LED_BLUE2, 0); + omap_set_gpio_dataout(ZOOM2_LED_BLUE2, 0); + } + saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF; +} + +void red_LED_on (void) +{ + blue_LED_off (); + + /* red */ + if (!omap_request_gpio(ZOOM2_LED_RED)) { + omap_set_gpio_direction(ZOOM2_LED_RED, 0); + omap_set_gpio_dataout(ZOOM2_LED_RED, 1); + } + saved_state[STATUS_LED_RED] = STATUS_LED_ON; +} + +void blue_LED_on (void) +{ + red_LED_off (); + + /* blue */ + if (!omap_request_gpio(ZOOM2_LED_BLUE)) { + omap_set_gpio_direction(ZOOM2_LED_BLUE, 0); + omap_set_gpio_dataout(ZOOM2_LED_BLUE, 1); + } + + /* blue 2 */ + if (!omap_request_gpio(ZOOM2_LED_BLUE2)) { + omap_set_gpio_direction(ZOOM2_LED_BLUE2, 0); + omap_set_gpio_dataout(ZOOM2_LED_BLUE2, 1); + } + + saved_state[STATUS_LED_BLUE] = STATUS_LED_ON; +} + +void __led_init (led_id_t mask, int state) +{ + __led_set (mask, state); +} + +void __led_toggle (led_id_t mask) +{ + if (STATUS_LED_BLUE == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_BLUE]) + blue_LED_off (); + else + blue_LED_on (); + } else if (STATUS_LED_RED == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_RED]) + red_LED_off (); + else + red_LED_on (); + } +} + +void __led_set (led_id_t mask, int state) +{ + if (STATUS_LED_BLUE == mask) { + if (STATUS_LED_ON == state) + blue_LED_on (); + else + blue_LED_off (); + } else if (STATUS_LED_RED == mask) { + if (STATUS_LED_ON == state) + red_LED_on (); + else + red_LED_off (); + } +} diff --git a/board/omap3/zoom2/zoom2.c b/board/omap3/zoom2/zoom2.c new file mode 100644 index 0000000..08fdafb --- /dev/null +++ b/board/omap3/zoom2/zoom2.c @@ -0,0 +1,172 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix <Tom.Rix@windriver.com> + * + * Derived from Zoom1 code by + * Nishanth Menon <nm@ti.com> + * Sunil Kumar <sunilsaini05@gmail.com> + * Shashi Ranjan <shashiranjanmca05@gmail.com> + * Richard Woodruff <r-woodruff2@ti.com> + * Syed Mohammed Khasim <khasim@ti.com> + * + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 <common.h> +#ifdef CONFIG_STATUS_LED +#include <status_led.h> +#endif +#include <asm/io.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mem.h> +#include <asm/arch/mux.h> +#include <asm/arch/sys_proto.h> +#include <asm/mach-types.h> +#include "zoom2.h" +#include "zoom2_serial.h" + +/* + * This the the zoom2, board specific, gpmc configuration for the + * quad uart on the debug board. The more general gpmc configurations + * are setup at the cpu level in cpu/arm_cortexa8/omap3/mem.c + * + * The details of the setting of the serial gpmc setup are not available. + * The values were provided by another party. + */ +extern void enable_gpmc_config(u32 *gpmc_config, gpmc_csx_t *gpmc_cs_base, + u32 base, u32 size); + +static u32 gpmc_serial_TL16CP754C[GPMC_MAX_REG] = { + 0x00011000, + 0x001F1F01, + 0x00080803, + 0x1D091D09, + 0x041D1F1F, + 0x1D0904C4, 0 +}; + +/* Used to track the revision of the board */ +static zoom2_revision revision = ZOOM2_REVISION_UNKNOWN; + +/* + * Routine: zoom2_get_revision + * Description: Return the revision of the Zoom2 this code is running on. + */ +zoom2_revision zoom2_get_revision(void) +{ + return revision; +} + +/* + * Routine: zoom2_identify + * Description: Detect which version of Zoom2 we are running on. + */ +void zoom2_identify(void) +{ + /* + * To check for production board vs beta board, + * check if gpio 94 is clear. + * + * No way yet to check for alpha board identity. + * Alpha boards were produced in very limited quantities + * and they are not commonly used. They are mentioned here + * only for completeness. + */ + if (!omap_request_gpio(94)) { + unsigned int val; + + omap_set_gpio_direction(94, 1); + val = omap_get_gpio_datain(94); + omap_free_gpio(94); + + if (val) + revision = ZOOM2_REVISION_BETA; + else + revision = ZOOM2_REVISION_PRODUCTION; + } + + printf("Board revision "); + switch (revision) { + case ZOOM2_REVISION_PRODUCTION: + printf("Production\n"); + break; + case ZOOM2_REVISION_BETA: + printf("Beta\n"); + break; + default: + printf("Unknown\n"); + break; + } +} + +/* + * Routine: board_init + * Description: Early hardware init. + */ +int board_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + gpmc_csx_t *serial_cs_base; + u32 *gpmc_config; + + gpmc_init (); /* in SRAM or SDRAM, finish GPMC */ + + /* Configure console support on zoom2 */ + gpmc_config = gpmc_serial_TL16CP754C; + serial_cs_base = (gpmc_csx_t *) (GPMC_CONFIG_CS0_BASE + + (3 * GPMC_CONFIG_WIDTH)); + enable_gpmc_config(gpmc_config, + serial_cs_base, + SERIAL_TL16CP754C_BASE, + GPMC_SIZE_16M); + + /* board id for Linux */ + gd->bd->bi_arch_number = MACH_TYPE_OMAP_ZOOM2; + /* boot param addr */ + gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); + +#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) + status_led_set (STATUS_LED_BOOT, STATUS_LED_ON); +#endif + return 0; +} + +/* + * Routine: misc_init_r + * Description: Configure zoom board specific configurations + */ +int misc_init_r(void) +{ + zoom2_identify(); + power_init_r(); + dieid_num_r(); + return 0; +} + +/* + * Routine: set_muxconf_regs + * Description: Setting up the configuration Mux registers specific to the + * hardware. Many pins need to be moved from protect to primary + * mode. + */ +void set_muxconf_regs (void) +{ + /* platform specific muxes */ + MUX_ZOOM2 (); +} diff --git a/board/omap3/zoom2/zoom2.h b/board/omap3/zoom2/zoom2.h new file mode 100644 index 0000000..a21d1d6 --- /dev/null +++ b/board/omap3/zoom2/zoom2.h @@ -0,0 +1,158 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix <Tom.Rix@windriver.com> + * + * Derived from: board/omap3/zoom1/zoom1.h + * Nishanth Menon <nm@ti.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ +#ifndef _BOARD_ZOOM2_H_ +#define _BOARD_ZOOM2_H_ + +const omap3_sysinfo sysinfo = { + DDR_STACKED, + "OMAP3 Zoom2 ", + "NAND", +}; + +typedef enum { + ZOOM2_REVISION_UNKNOWN = 0, + ZOOM2_REVISION_ALPHA, + ZOOM2_REVISION_BETA, + ZOOM2_REVISION_PRODUCTION +} zoom2_revision; + +zoom2_revision zoom2_get_revision(void); + +/* + * IEN - Input Enable + * IDIS - Input Disable + * PTD - Pull type Down + * PTU - Pull type Up + * DIS - Pull type selection is inactive + * EN - Pull type selection is active + * M0 - Mode 0 + * The commented string gives the final mux configuration for that pin + */ +#define MUX_ZOOM2() \ + /* SDRC*/\ + MUX_VAL(CP(SDRC_D0), (IEN | PTD | DIS | M0)) /* SDRC_D0 */\ + MUX_VAL(CP(SDRC_D1), (IEN | PTD | DIS | M0)) /* SDRC_D1 */\ + MUX_VAL(CP(SDRC_D2), (IEN | PTD | DIS | M0)) /* SDRC_D2 */\ + MUX_VAL(CP(SDRC_D3), (IEN | PTD | DIS | M0)) /* SDRC_D3 */\ + MUX_VAL(CP(SDRC_D4), (IEN | PTD | DIS | M0)) /* SDRC_D4 */\ + MUX_VAL(CP(SDRC_D5), (IEN | PTD | DIS | M0)) /* SDRC_D5 */\ + MUX_VAL(CP(SDRC_D6), (IEN | PTD | DIS | M0)) /* SDRC_D6 */\ + MUX_VAL(CP(SDRC_D7), (IEN | PTD | DIS | M0)) /* SDRC_D7 */\ + MUX_VAL(CP(SDRC_D8), (IEN | PTD | DIS | M0)) /* SDRC_D8 */\ + MUX_VAL(CP(SDRC_D9), (IEN | PTD | DIS | M0)) /* SDRC_D9 */\ + MUX_VAL(CP(SDRC_D10), (IEN | PTD | DIS | M0)) /* SDRC_D10 */\ + MUX_VAL(CP(SDRC_D11), (IEN | PTD | DIS | M0)) /* SDRC_D11 */\ + MUX_VAL(CP(SDRC_D12), (IEN | PTD | DIS | M0)) /* SDRC_D12 */\ + MUX_VAL(CP(SDRC_D13), (IEN | PTD | DIS | M0)) /* SDRC_D13 */\ + MUX_VAL(CP(SDRC_D14), (IEN | PTD | DIS | M0)) /* SDRC_D14 */\ + MUX_VAL(CP(SDRC_D15), (IEN | PTD | DIS | M0)) /* SDRC_D15 */\ + MUX_VAL(CP(SDRC_D16), (IEN | PTD | DIS | M0)) /* SDRC_D16 */\ + MUX_VAL(CP(SDRC_D17), (IEN | PTD | DIS | M0)) /* SDRC_D17 */\ + MUX_VAL(CP(SDRC_D18), (IEN | PTD | DIS | M0)) /* SDRC_D18 */\ + MUX_VAL(CP(SDRC_D19), (IEN | PTD | DIS | M0)) /* SDRC_D19 */\ + MUX_VAL(CP(SDRC_D20), (IEN | PTD | DIS | M0)) /* SDRC_D20 */\ + MUX_VAL(CP(SDRC_D21), (IEN | PTD | DIS | M0)) /* SDRC_D21 */\ + MUX_VAL(CP(SDRC_D22), (IEN | PTD | DIS | M0)) /* SDRC_D22 */\ + MUX_VAL(CP(SDRC_D23), (IEN | PTD | DIS | M0)) /* SDRC_D23 */\ + MUX_VAL(CP(SDRC_D24), (IEN | PTD | DIS | M0)) /* SDRC_D24 */\ + MUX_VAL(CP(SDRC_D25), (IEN | PTD | DIS | M0)) /* SDRC_D25 */\ + MUX_VAL(CP(SDRC_D26), (IEN | PTD | DIS | M0)) /* SDRC_D26 */\ + MUX_VAL(CP(SDRC_D27), (IEN | PTD | DIS | M0)) /* SDRC_D27 */\ + MUX_VAL(CP(SDRC_D28), (IEN | PTD | DIS | M0)) /* SDRC_D28 */\ + MUX_VAL(CP(SDRC_D29), (IEN | PTD | DIS | M0)) /* SDRC_D29 */\ + MUX_VAL(CP(SDRC_D30), (IEN | PTD | DIS | M0)) /* SDRC_D30 */\ + MUX_VAL(CP(SDRC_D31), (IEN | PTD | DIS | M0)) /* SDRC_D31 */\ + MUX_VAL(CP(SDRC_CLK), (IEN | PTD | DIS | M0)) /* SDRC_CLK */\ + MUX_VAL(CP(SDRC_DQS0), (IEN | PTD | DIS | M0)) /* SDRC_DQS0 */\ + MUX_VAL(CP(SDRC_DQS1), (IEN | PTD | DIS | M0)) /* SDRC_DQS1 */\ + MUX_VAL(CP(SDRC_DQS2), (IEN | PTD | DIS | M0)) /* SDRC_DQS2 */\ + MUX_VAL(CP(SDRC_DQS3), (IEN | PTD | DIS | M0)) /* SDRC_DQS3 */\ +/* GPMC */\ + MUX_VAL(CP(GPMC_A1), (IDIS | PTD | DIS | M0)) /* GPMC_A1 */\ + MUX_VAL(CP(GPMC_A2), (IDIS | PTD | DIS | M0)) /* GPMC_A2 */\ + MUX_VAL(CP(GPMC_A3), (IDIS | PTD | DIS | M0)) /* GPMC_A3 */\ + MUX_VAL(CP(GPMC_A4), (IDIS | PTD | DIS | M0)) /* GPMC_A4 */\ + MUX_VAL(CP(GPMC_A5), (IDIS | PTD | DIS | M0)) /* GPMC_A5 */\ + MUX_VAL(CP(GPMC_A6), (IDIS | PTD | DIS | M0)) /* GPMC_A6 */\ + MUX_VAL(CP(GPMC_A7), (IDIS | PTD | DIS | M0)) /* GPMC_A7 */\ + MUX_VAL(CP(GPMC_A8), (IDIS | PTD | DIS | M0)) /* GPMC_A8 */\ + MUX_VAL(CP(GPMC_A9), (IDIS | PTD | DIS | M0)) /* GPMC_A9 */\ + MUX_VAL(CP(GPMC_A10), (IDIS | PTD | DIS | M0)) /* GPMC_A10 */\ + MUX_VAL(CP(GPMC_D0), (IEN | PTD | DIS | M0)) /* GPMC_D0 */\ + MUX_VAL(CP(GPMC_D1), (IEN | PTD | DIS | M0)) /* GPMC_D1 */\ + MUX_VAL(CP(GPMC_D2), (IEN | PTD | DIS | M0)) /* GPMC_D2 */\ + MUX_VAL(CP(GPMC_D3), (IEN | PTD | DIS | M0)) /* GPMC_D3 */\ + MUX_VAL(CP(GPMC_D4), (IEN | PTD | DIS | M0)) /* GPMC_D4 */\ + MUX_VAL(CP(GPMC_D5), (IEN | PTD | DIS | M0)) /* GPMC_D5 */\ + MUX_VAL(CP(GPMC_D6), (IEN | PTD | DIS | M0)) /* GPMC_D6 */\ + MUX_VAL(CP(GPMC_D7), (IEN | PTD | DIS | M0)) /* GPMC_D7 */\ + MUX_VAL(CP(GPMC_D8), (IEN | PTD | DIS | M0)) /* GPMC_D8 */\ + MUX_VAL(CP(GPMC_D9), (IEN | PTD | DIS | M0)) /* GPMC_D9 */\ + MUX_VAL(CP(GPMC_D10), (IEN | PTD | DIS | M0)) /* GPMC_D10 */\ + MUX_VAL(CP(GPMC_D11), (IEN | PTD | DIS | M0)) /* GPMC_D11 */\ + MUX_VAL(CP(GPMC_D12), (IEN | PTD | DIS | M0)) /* GPMC_D12 */\ + MUX_VAL(CP(GPMC_D13), (IEN | PTD | DIS | M0)) /* GPMC_D13 */\ + MUX_VAL(CP(GPMC_D14), (IEN | PTD | DIS | M0)) /* GPMC_D14 */\ + MUX_VAL(CP(GPMC_D15), (IEN | PTD | DIS | M0)) /* GPMC_D15 */\ + MUX_VAL(CP(GPMC_NCS0), (IDIS | PTU | EN | M0)) /* GPMC_nCS0 */\ + MUX_VAL(CP(GPMC_NCS1), (IDIS | PTU | EN | M7)) /* GPMC_nCS1 */\ + MUX_VAL(CP(GPMC_NCS2), (IDIS | PTU | EN | M7)) /* GPMC_nCS2 */\ + MUX_VAL(CP(GPMC_NCS3), (IDIS | PTU | EN | M7)) /* GPMC_nCS3 */\ + MUX_VAL(CP(GPMC_NCS4), (IDIS | PTU | EN | M7)) /* GPMC_nCS4 */\ + MUX_VAL(CP(GPMC_NCS5), (IDIS | PTD | DIS | M7)) /* GPMC_nCS5 */\ + MUX_VAL(CP(GPMC_NCS6), (IEN | PTD | DIS | M7)) /* GPMC_nCS6 */\ + MUX_VAL(CP(GPMC_NCS7), (IEN | PTU | EN | M7)) /* GPMC_nCS7 */\ + MUX_VAL(CP(GPMC_CLK), (IDIS | PTD | DIS | M0)) /* GPMC_CLK */\ + MUX_VAL(CP(GPMC_NADV_ALE), (IDIS | PTD | DIS | M0)) /* GPMC_nADV_ALE */\ + MUX_VAL(CP(GPMC_NOE), (IDIS | PTD | DIS | M0)) /* GPMC_nOE */\ + MUX_VAL(CP(GPMC_NWE), (IDIS | PTD | DIS | M0)) /* GPMC_nWE */\ + MUX_VAL(CP(GPMC_NWP), (IDIS | PTU | DIS | M0)) /* GPMC_nWP */\ + MUX_VAL(CP(GPMC_NBE0_CLE), (IDIS | PTD | DIS | M0)) /* GPMC_nBE0_CLE */\ + MUX_VAL(CP(GPMC_NBE1), (IEN | PTD | DIS | M0)) /* GPMC_nBE1 */\ + MUX_VAL(CP(GPMC_WAIT0), (IEN | PTD | EN | M0)) /* GPMC_WAIT0 */\ + MUX_VAL(CP(GPMC_WAIT1), (IEN | PTU | EN | M0)) /* GPMC_WAIT1 */\ + MUX_VAL(CP(GPMC_WAIT2), (IEN | PTU | EN | M0)) /* GPMC_WAIT2 */\ + MUX_VAL(CP(GPMC_WAIT3), (IEN | PTU | EN | M0)) /* GPMC_WAIT3 */\ +/* IDCC modem Power On */\ + MUX_VAL(CP(CAM_D11), (IEN | PTU | EN | M4)) /* GPIO_110 */\ + MUX_VAL(CP(CAM_D4), (IEN | PTU | EN | M4)) /* GPIO_103 */\ +/* GPMC CS7 has LAN9211 device */\ + MUX_VAL(CP(GPMC_NCS7), (IDIS | PTU | EN | M0)) /* GPMC_nCS7 */\ + MUX_VAL(CP(MCBSP1_DX), (IEN | PTD | DIS | M4)) /* LAN9221 */\ + MUX_VAL(CP(MCSPI1_CS2), (IEN | PTD | EN | M0)) /* MCSPI1_CS2 */\ +/* GPMC CS3 has Serial TL16CP754C device */\ + MUX_VAL(CP(GPMC_NCS3), (IDIS | PTU | EN | M0)) /* GPMC_nCS3 */\ +/* Toggle Reset pin of TL16CP754C device */\ + MUX_VAL(CP(MCBSP4_CLKX), (IEN | PTU | EN | M4)) /* GPIO_152 */\ + udelay(10);\ + MUX_VAL(CP(MCBSP4_CLKX), (IEN | PTD | EN | M4)) /* GPIO_152 */\ + MUX_VAL(CP(SDRC_CKE1), (IDIS | PTU | EN | M0)) /* SDRC_CKE1 */\ +/* LEDS */\ + MUX_VAL(CP(MCSPI1_SOMI), (IEN | PTD | EN | M4)) /* GPIO_173 red */\ + MUX_VAL(CP(MCBSP4_DX), (IEN | PTD | EN | M4)) /* GPIO_154 blue */\ + MUX_VAL(CP(GPMC_NBE1), (IEN | PTD | EN | M4)) /* GPIO_61 blue2 */ + +#endif /* _BOARD_ZOOM2_H_ */ diff --git a/board/omap3/zoom2/zoom2_serial.c b/board/omap3/zoom2/zoom2_serial.c new file mode 100644 index 0000000..a3d777d --- /dev/null +++ b/board/omap3/zoom2/zoom2_serial.c @@ -0,0 +1,130 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix <Tom.Rix@windriver.com> + * + * 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 + * + * This file was adapted from cpu/mpc5xxx/serial.c + * + */ + +#include <common.h> +#include <serial.h> +#include <ns16550.h> +#include <asm/arch/cpu.h> +#include "zoom2_serial.h" + +int quad_init_dev (unsigned long base) +{ + /* + * The Quad UART is on the debug board. + * Check if the debug board is attached before using the UART + */ + if (zoom2_debug_board_connected ()) { + NS16550_t com_port = (NS16550_t) base; + int baud_divisor = CONFIG_SYS_NS16550_CLK / 16 / + CONFIG_BAUDRATE; + + /* + * Zoom2 has a board specific initialization of its UART. + * This generic initialization has been copied from + * drivers/serial/ns16550.c. The macros have been expanded. + * + * Do the following instead of + * + * NS16550_init (com_port, clock_divisor); + */ + com_port->ier = 0x00; + + /* + * On Zoom2 board Set pre-scalar to 1 + * CLKSEL is GND => MCR[7] is 1 => preslr is 4 + * So change the prescl to 1 + */ + com_port->lcr = 0xBF; + com_port->fcr |= 0x10; + com_port->mcr &= 0x7F; + + /* This is generic ns16550.c setup */ + com_port->lcr = UART_LCR_BKSE | UART_LCR_8N1; + com_port->dll = 0; + com_port->dlm = 0; + com_port->lcr = UART_LCR_8N1; + com_port->mcr = UART_MCR_DTR | UART_MCR_RTS; + com_port->fcr = UART_FCR_FIFO_EN | UART_FCR_RXSR | + UART_FCR_TXSR; + com_port->lcr = UART_LCR_BKSE | UART_LCR_8N1; + com_port->dll = baud_divisor & 0xff; + com_port->dlm = (baud_divisor >> 8) & 0xff; + com_port->lcr = UART_LCR_8N1; + } + /* + * We have to lie here, otherwise the board init code will hang + * on the check + */ + return 0; +} + +void quad_putc_dev (unsigned long base, const char c) +{ + if (zoom2_debug_board_connected ()) { + + if (c == '\n') + quad_putc_dev (base, '\r'); + + NS16550_putc ((NS16550_t) base, c); + } +} + +void quad_puts_dev (unsigned long base, const char *s) +{ + if (zoom2_debug_board_connected ()) { + while ((s != NULL) && (*s != '\0')) + quad_putc_dev (base, *s++); + } +} + +int quad_getc_dev (unsigned long base) +{ + if (zoom2_debug_board_connected ()) + return NS16550_getc ((NS16550_t) base); + else + return 0; +} + +int quad_tstc_dev (unsigned long base) +{ + if (zoom2_debug_board_connected ()) + return NS16550_tstc ((NS16550_t) base); + else + return 0; +} + +void quad_setbrg_dev (unsigned long base) +{ + if (zoom2_debug_board_connected ()) { + + int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / + CONFIG_BAUDRATE; + + NS16550_reinit ((NS16550_t) base, clock_divisor); + } +} + +QUAD_INIT (0) +QUAD_INIT (1) +QUAD_INIT (2) +QUAD_INIT (3) diff --git a/board/omap3/zoom2/zoom2_serial.h b/board/omap3/zoom2/zoom2_serial.h new file mode 100644 index 0000000..c98158f --- /dev/null +++ b/board/omap3/zoom2/zoom2_serial.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix <Tom.Rix@windriver.com> + * + * 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 + * + */ + +#ifndef ZOOM2_SERIAL_H +#define ZOOM2_SERIAL_H + +extern int zoom2_debug_board_connected (void); + +#define SERIAL_TL16CP754C_BASE 0x10000000 /* Zoom2 Serial chip address */ + +#define QUAD_BASE_0 SERIAL_TL16CP754C_BASE +#define QUAD_BASE_1 (SERIAL_TL16CP754C_BASE + 0x100) +#define QUAD_BASE_2 (SERIAL_TL16CP754C_BASE + 0x200) +#define QUAD_BASE_3 (SERIAL_TL16CP754C_BASE + 0x300) + +#define S(a) #a +#define N(a) S(quad##a) +#define U(a) S(UART##a) + +#define QUAD_INIT(n) \ +int quad_init_##n(void) \ +{ \ + return quad_init_dev(QUAD_BASE_##n); \ +} \ +void quad_setbrg_##n(void) \ +{ \ + quad_setbrg_dev(QUAD_BASE_##n); \ +} \ +void quad_putc_##n(const char c) \ +{ \ + quad_putc_dev(QUAD_BASE_##n, c); \ +} \ +void quad_puts_##n(const char *s) \ +{ \ + quad_puts_dev(QUAD_BASE_##n, s); \ +} \ +int quad_getc_##n(void) \ +{ \ + return quad_getc_dev(QUAD_BASE_##n); \ +} \ +int quad_tstc_##n(void) \ +{ \ + return quad_tstc_dev(QUAD_BASE_##n); \ +} \ +struct serial_device zoom2_serial_device##n = \ +{ \ + N(n), \ + U(n), \ + quad_init_##n, \ + quad_setbrg_##n, \ + quad_getc_##n, \ + quad_tstc_##n, \ + quad_putc_##n, \ + quad_puts_##n, \ +}; + +#endif /* ZOOM2_SERIAL_H */ |