diff options
Diffstat (limited to 'qemu/roms/u-boot/board/cm-bf537e')
| -rw-r--r-- | qemu/roms/u-boot/board/cm-bf537e/Makefile | 12 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/cm-bf537e/cm-bf537e.c | 59 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/cm-bf537e/config.mk | 11 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/cm-bf537e/gpio_cfi_flash.c | 81 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/cm-bf537e/gpio_cfi_flash.h | 10 |
5 files changed, 173 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/cm-bf537e/Makefile b/qemu/roms/u-boot/board/cm-bf537e/Makefile new file mode 100644 index 000000000..be8056f4b --- /dev/null +++ b/qemu/roms/u-boot/board/cm-bf537e/Makefile @@ -0,0 +1,12 @@ +# +# U-boot - Makefile +# +# Copyright (c) 2005-2008 Analog Device Inc. +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := cm-bf537e.o gpio_cfi_flash.o diff --git a/qemu/roms/u-boot/board/cm-bf537e/cm-bf537e.c b/qemu/roms/u-boot/board/cm-bf537e/cm-bf537e.c new file mode 100644 index 000000000..e79f90f95 --- /dev/null +++ b/qemu/roms/u-boot/board/cm-bf537e/cm-bf537e.c @@ -0,0 +1,59 @@ +/* + * U-boot - main board file + * + * Copyright (c) 2005-2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <config.h> +#include <command.h> +#include <net.h> +#include <netdev.h> +#include <asm/blackfin.h> +#include "gpio_cfi_flash.h" + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + printf("Board: Bluetechnix CM-BF537E board\n"); + printf(" Support: http://www.bluetechnix.at/\n"); + return 0; +} + +static void board_init_enetaddr(char *var) +{ + uchar enetaddr[6]; + + if (eth_getenv_enetaddr(var, enetaddr)) + return; + + printf("Warning: %s: generating 'random' MAC address\n", var); + eth_random_addr(enetaddr); + eth_setenv_enetaddr(var, enetaddr); +} + +#ifndef CONFIG_BFIN_MAC +# define bfin_EMAC_initialize(x) 1 +#endif +#ifndef CONFIG_SMC911X +# define smc911x_initialize(n, x) 1 +#endif +int board_eth_init(bd_t *bis) +{ + /* return ok if at least 1 eth device works */ + return bfin_EMAC_initialize(bis) & + smc911x_initialize(0, CONFIG_SMC911X_BASE); +} + +int misc_init_r(void) +{ + board_init_enetaddr("ethaddr"); + board_init_enetaddr("eth1addr"); + + gpio_cfi_flash_init(); + + return 0; +} diff --git a/qemu/roms/u-boot/board/cm-bf537e/config.mk b/qemu/roms/u-boot/board/cm-bf537e/config.mk new file mode 100644 index 000000000..7f9138b09 --- /dev/null +++ b/qemu/roms/u-boot/board/cm-bf537e/config.mk @@ -0,0 +1,11 @@ +# +# Copyright (c) 2005-2008 Analog Device Inc. +# +# (C) Copyright 2001 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +# Set some default LDR flags based on boot mode. +LDR_FLAGS-BFIN_BOOT_PARA := --bits 16 --dma 8 diff --git a/qemu/roms/u-boot/board/cm-bf537e/gpio_cfi_flash.c b/qemu/roms/u-boot/board/cm-bf537e/gpio_cfi_flash.c new file mode 100644 index 000000000..1075cc411 --- /dev/null +++ b/qemu/roms/u-boot/board/cm-bf537e/gpio_cfi_flash.c @@ -0,0 +1,81 @@ +/* + * gpio_cfi_flash.c - GPIO-assisted Flash Chip Support + * + * Copyright (c) 2009-2010 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <asm/blackfin.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include "gpio_cfi_flash.h" + +/* Allow this driver to be shared among boards */ +#ifndef GPIO_PIN_1 +#define GPIO_PIN_1 GPIO_PF4 +#endif +#define GPIO_MASK_1 (1 << 21) +#ifndef GPIO_PIN_2 +#define GPIO_MASK_2 (0) +#else +#define GPIO_MASK_2 (1 << 22) +#endif +#ifndef GPIO_PIN_3 +#define GPIO_MASK_3 (0) +#else +#define GPIO_MASK_3 (1 << 23) +#endif +#define GPIO_MASK (GPIO_MASK_1 | GPIO_MASK_2 | GPIO_MASK_3) + +void *gpio_cfi_flash_swizzle(void *vaddr) +{ + unsigned long addr = (unsigned long)vaddr; + + gpio_set_value(GPIO_PIN_1, addr & GPIO_MASK_1); + +#ifdef GPIO_PIN_2 + gpio_set_value(GPIO_PIN_2, addr & GPIO_MASK_2); +#endif + +#ifdef GPIO_PIN_3 + gpio_set_value(GPIO_PIN_3, addr & GPIO_MASK_3); +#endif + + SSYNC(); + udelay(1); + + return (void *)(addr & ~GPIO_MASK); +} + +#define __raw_writeq(value, addr) *(volatile u64 *)addr = value +#define __raw_readq(addr) *(volatile u64 *)addr + +#define MAKE_FLASH(size, sfx) \ +void flash_write##size(u##size value, void *addr) \ +{ \ + __raw_write##sfx(value, gpio_cfi_flash_swizzle(addr)); \ +} \ +u##size flash_read##size(void *addr) \ +{ \ + return __raw_read##sfx(gpio_cfi_flash_swizzle(addr)); \ +} +MAKE_FLASH(8, b) /* flash_write8() flash_read8() */ +MAKE_FLASH(16, w) /* flash_write16() flash_read16() */ +MAKE_FLASH(32, l) /* flash_write32() flash_read32() */ +MAKE_FLASH(64, q) /* flash_write64() flash_read64() */ + +void gpio_cfi_flash_init(void) +{ + gpio_request(GPIO_PIN_1, "gpio_cfi_flash"); + gpio_direction_output(GPIO_PIN_1, 0); +#ifdef GPIO_PIN_2 + gpio_request(GPIO_PIN_2, "gpio_cfi_flash"); + gpio_direction_output(GPIO_PIN_2, 0); +#endif +#ifdef GPIO_PIN_3 + gpio_request(GPIO_PIN_3, "gpio_cfi_flash"); + gpio_direction_output(GPIO_PIN_3, 0); +#endif +} diff --git a/qemu/roms/u-boot/board/cm-bf537e/gpio_cfi_flash.h b/qemu/roms/u-boot/board/cm-bf537e/gpio_cfi_flash.h new file mode 100644 index 000000000..5211e972a --- /dev/null +++ b/qemu/roms/u-boot/board/cm-bf537e/gpio_cfi_flash.h @@ -0,0 +1,10 @@ +/* + * gpio_cfi_flash.c - GPIO-assisted Flash Chip Support + * + * Copyright (c) 2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +void *gpio_cfi_flash_swizzle(void *vaddr); +void gpio_cfi_flash_init(void); |