diff options
| -rw-r--r-- | board/davinci/da830evm/Makefile | 2 | ||||
| -rw-r--r-- | board/davinci/da830evm/common.c | 55 | ||||
| -rw-r--r-- | board/davinci/da830evm/common.h | 30 | ||||
| -rw-r--r-- | board/davinci/da830evm/da830evm.c | 29 |
4 files changed, 98 insertions, 18 deletions
diff --git a/board/davinci/da830evm/Makefile b/board/davinci/da830evm/Makefile index 02636fa..ee00057 100644 --- a/board/davinci/da830evm/Makefile +++ b/board/davinci/da830evm/Makefile @@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS := da830evm.o +COBJS := da830evm.o common.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/board/davinci/da830evm/common.c b/board/davinci/da830evm/common.c new file mode 100644 index 0000000..9cd5204c --- /dev/null +++ b/board/davinci/da830evm/common.c @@ -0,0 +1,55 @@ +/* + * Miscellaneous DA8XX functions. + * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include "common.h" + +#ifndef CONFIG_USE_IRQ +void irq_init(void) +{ + /* + * Mask all IRQs by clearing the global enable and setting + * the enable clear for all the 90 interrupts. + */ + + writel(0, &davinci_aintc_regs->ger); + + writel(0, &davinci_aintc_regs->hier); + + writel(0xffffffff, &davinci_aintc_regs->ecr1); + writel(0xffffffff, &davinci_aintc_regs->ecr2); + writel(0xffffffff, &davinci_aintc_regs->ecr3); +} +#endif + +/* + * Enable PSC for various peripherals. + */ +int da8xx_configure_lpsc_items(const struct lpsc_resource *item, + const int n_items) +{ + int i; + + for (i = 0; i < n_items; i++) + lpsc_on(item[i].lpsc_no); + + return 0; +} diff --git a/board/davinci/da830evm/common.h b/board/davinci/da830evm/common.h new file mode 100644 index 0000000..7ae63a6 --- /dev/null +++ b/board/davinci/da830evm/common.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __COMMON_H +#define __COMMON_H + +struct lpsc_resource { + const int lpsc_no; +}; + +void irq_init(void); +int da8xx_configure_lpsc_items(const struct lpsc_resource *item, + int n_items); + +#endif /* __COMMON_H */ diff --git a/board/davinci/da830evm/da830evm.c b/board/davinci/da830evm/da830evm.c index 6385443..57506d6 100644 --- a/board/davinci/da830evm/da830evm.c +++ b/board/davinci/da830evm/da830evm.c @@ -41,6 +41,7 @@ #include <asm/arch/emac_defs.h> #include <asm/io.h> #include "../common/misc.h" +#include "common.h" DECLARE_GLOBAL_DATA_PTR; @@ -120,21 +121,18 @@ static const struct pinmux_resource pinmuxes[] = { #endif }; +static const struct lpsc_resource lpsc[] = { + { DAVINCI_LPSC_AEMIF }, /* NAND, NOR */ + { DAVINCI_LPSC_SPI0 }, /* Serial Flash */ + { DAVINCI_LPSC_EMAC }, /* image download */ + { DAVINCI_LPSC_UART2 }, /* console */ + { DAVINCI_LPSC_GPIO }, +}; + int board_init(void) { #ifndef CONFIG_USE_IRQ - /* - * Mask all IRQs by clearing the global enable and setting - * the enable clear for all the 90 interrupts. - */ - - writel(0, &davinci_aintc_regs->ger); - - writel(0, &davinci_aintc_regs->hier); - - writel(0xffffffff, &davinci_aintc_regs->ecr1); - writel(0xffffffff, &davinci_aintc_regs->ecr2); - writel(0xffffffff, &davinci_aintc_regs->ecr3); + irq_init(); #endif #ifdef CONFIG_NAND_DAVINCI @@ -165,11 +163,8 @@ int board_init(void) * assuming here that the DSP bootloader has set the IOPU * such that PSC access is available to ARM */ - lpsc_on(DAVINCI_LPSC_AEMIF); /* NAND, NOR */ - lpsc_on(DAVINCI_LPSC_SPI0); /* Serial Flash */ - lpsc_on(DAVINCI_LPSC_EMAC); /* image download */ - lpsc_on(DAVINCI_LPSC_UART2); /* console */ - lpsc_on(DAVINCI_LPSC_GPIO); + if (da8xx_configure_lpsc_items(lpsc, ARRAY_SIZE(lpsc))) + return 1; /* setup the SUSPSRC for ARM to control emulation suspend */ writel(readl(&davinci_syscfg_regs->suspsrc) & |