diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Makefile | 2 | ||||
| -rw-r--r-- | common/cmd_df.c | 37 | ||||
| -rw-r--r-- | common/cmd_log.c | 8 | ||||
| -rw-r--r-- | common/cmd_nand.c | 2 | ||||
| -rw-r--r-- | common/cmd_nvedit.c | 3 | ||||
| -rw-r--r-- | common/cmd_sf.c | 191 | ||||
| -rw-r--r-- | common/cmd_spi.c | 42 | ||||
| -rw-r--r-- | common/dlmalloc.c | 3 | ||||
| -rw-r--r-- | common/env_common.c | 3 | ||||
| -rw-r--r-- | common/env_nand.c | 3 | ||||
| -rw-r--r-- | common/env_sf.c | 131 | ||||
| -rw-r--r-- | common/image.c | 10 | ||||
| -rw-r--r-- | common/lcd.c | 78 | ||||
| -rw-r--r-- | common/main.c | 6 | ||||
| -rw-r--r-- | common/soft_i2c.c | 1 | ||||
| -rw-r--r-- | common/soft_spi.c | 124 |
16 files changed, 580 insertions, 64 deletions
diff --git a/common/Makefile b/common/Makefile index 9678799..b425795 100644 --- a/common/Makefile +++ b/common/Makefile @@ -113,6 +113,7 @@ COBJS-y += env_dataflash.o COBJS-y += env_flash.o COBJS-y += env_eeprom.o COBJS-y += env_onenand.o +COBJS-y += env_sf.o COBJS-y += env_nvram.o COBJS-y += env_nowhere.o COBJS-y += exports.o @@ -143,6 +144,7 @@ COBJS-y += xyzModem.o COBJS-y += cmd_mac.o COBJS-$(CONFIG_CMD_MFSL) += cmd_mfsl.o COBJS-$(CONFIG_MP) += cmd_mp.o +COBJS-$(CONFIG_CMD_SF) += cmd_sf.o COBJS := $(COBJS-y) SRCS := $(AOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/common/cmd_df.c b/common/cmd_df.c new file mode 100644 index 0000000..5f65044 --- /dev/null +++ b/common/cmd_df.c @@ -0,0 +1,37 @@ +/* + * Command for accessing DataFlash. + * + * Copyright (C) 2008 Atmel Corporation + */ +#include <common.h> +#include <df.h> + +static int do_df(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + const char *cmd; + + /* need at least two arguments */ + if (argc < 2) + goto usage; + + cmd = argv[1]; + + if (strcmp(cmd, "init") == 0) { + df_init(0, 0, 1000000); + return 0; + } + + if (strcmp(cmd, "info") == 0) { + df_show_info(); + return 0; + } + +usage: + printf("Usage:\n%s\n", cmdtp->usage); + return 1; +} + +U_BOOT_CMD( + sf, 2, 1, do_serial_flash, + "sf - Serial flash sub-system\n", + "probe [bus:]cs - init flash device on given SPI bus and CS\n") diff --git a/common/cmd_log.c b/common/cmd_log.c index c6e72ac..fdcc575 100644 --- a/common/cmd_log.c +++ b/common/cmd_log.c @@ -66,6 +66,12 @@ static logbuff_t *log; #endif static char *lbuf; +unsigned long __logbuffer_base(void) +{ + return CFG_SDRAM_BASE + gd->bd->bi_memsize - LOGBUFF_LEN; +} +unsigned long logbuffer_base (void) __attribute__((weak, alias("__logbuffer_base"))); + void logbuff_init_ptrs (void) { unsigned long tag, post_word; @@ -75,7 +81,7 @@ void logbuff_init_ptrs (void) log = (logbuff_t *)CONFIG_ALT_LH_ADDR; lbuf = (char *)CONFIG_ALT_LB_ADDR; #else - log = (logbuff_t *)(gd->bd->bi_memsize-LOGBUFF_LEN) - 1; + log = (logbuff_t *)(logbuffer_base ()) - 1; lbuf = (char *)log->buf; #endif diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 37eb41b..37198d2 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -37,8 +37,6 @@ int find_dev_and_part(const char *id, struct mtd_device **dev, u8 *part_num, struct part_info **part); #endif -extern nand_info_t nand_info[]; /* info for NAND chips */ - static int nand_dump_oob(nand_info_t *nand, ulong off) { return 0; diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index 9c5d1fc..49f134a 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -58,8 +58,9 @@ DECLARE_GLOBAL_DATA_PTR; !defined(CFG_ENV_IS_IN_DATAFLASH) && \ !defined(CFG_ENV_IS_IN_NAND) && \ !defined(CFG_ENV_IS_IN_ONENAND) && \ + !defined(CFG_ENV_IS_IN_SPI_FLASH) && \ !defined(CFG_ENV_IS_NOWHERE) -# error Define one of CFG_ENV_IS_IN_{NVRAM|EEPROM|FLASH|DATAFLASH|ONENAND|NOWHERE} +# error Define one of CFG_ENV_IS_IN_{NVRAM|EEPROM|FLASH|DATAFLASH|ONENAND|SPI_FLASH|NOWHERE} #endif #define XMK_STR(x) #x diff --git a/common/cmd_sf.c b/common/cmd_sf.c new file mode 100644 index 0000000..8c0a751 --- /dev/null +++ b/common/cmd_sf.c @@ -0,0 +1,191 @@ +/* + * Command for accessing SPI flash. + * + * Copyright (C) 2008 Atmel Corporation + */ +#include <common.h> +#include <spi_flash.h> + +#include <asm/io.h> + +#ifndef CONFIG_SF_DEFAULT_SPEED +# define CONFIG_SF_DEFAULT_SPEED 1000000 +#endif +#ifndef CONFIG_SF_DEFAULT_MODE +# define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 +#endif + +static struct spi_flash *flash; + +static int do_spi_flash_probe(int argc, char *argv[]) +{ + unsigned int bus = 0; + unsigned int cs; + unsigned int speed = CONFIG_SF_DEFAULT_SPEED; + unsigned int mode = CONFIG_SF_DEFAULT_MODE; + char *endp; + struct spi_flash *new; + + if (argc < 2) + goto usage; + + cs = simple_strtoul(argv[1], &endp, 0); + if (*argv[1] == 0 || (*endp != 0 && *endp != ':')) + goto usage; + if (*endp == ':') { + if (endp[1] == 0) + goto usage; + + bus = cs; + cs = simple_strtoul(endp + 1, &endp, 0); + if (*endp != 0) + goto usage; + } + + if (argc >= 3) { + speed = simple_strtoul(argv[2], &endp, 0); + if (*argv[2] == 0 || *endp != 0) + goto usage; + } + if (argc >= 4) { + mode = simple_strtoul(argv[3], &endp, 0); + if (*argv[3] == 0 || *endp != 0) + goto usage; + } + + new = spi_flash_probe(bus, cs, speed, mode); + if (!new) { + printf("Failed to initialize SPI flash at %u:%u\n", bus, cs); + return 1; + } + + if (flash) + spi_flash_free(flash); + flash = new; + + printf("%u KiB %s at %u:%u is now current device\n", + flash->size >> 10, flash->name, bus, cs); + + return 0; + +usage: + puts("Usage: sf probe [bus:]cs [hz] [mode]\n"); + return 1; +} + +static int do_spi_flash_read_write(int argc, char *argv[]) +{ + unsigned long addr; + unsigned long offset; + unsigned long len; + void *buf; + char *endp; + int ret; + + if (argc < 4) + goto usage; + + addr = simple_strtoul(argv[1], &endp, 16); + if (*argv[1] == 0 || *endp != 0) + goto usage; + offset = simple_strtoul(argv[2], &endp, 16); + if (*argv[2] == 0 || *endp != 0) + goto usage; + len = simple_strtoul(argv[3], &endp, 16); + if (*argv[3] == 0 || *endp != 0) + goto usage; + + buf = map_physmem(addr, len, MAP_WRBACK); + if (!buf) { + puts("Failed to map physical memory\n"); + return 1; + } + + if (strcmp(argv[0], "read") == 0) + ret = spi_flash_read(flash, offset, len, buf); + else + ret = spi_flash_write(flash, offset, len, buf); + + unmap_physmem(buf, len); + + if (ret) { + printf("SPI flash %s failed\n", argv[0]); + return 1; + } + + return 0; + +usage: + printf("Usage: sf %s addr offset len\n", argv[0]); + return 1; +} + +static int do_spi_flash_erase(int argc, char *argv[]) +{ + unsigned long offset; + unsigned long len; + char *endp; + int ret; + + if (argc < 3) + goto usage; + + offset = simple_strtoul(argv[1], &endp, 16); + if (*argv[1] == 0 || *endp != 0) + goto usage; + len = simple_strtoul(argv[2], &endp, 16); + if (*argv[2] == 0 || *endp != 0) + goto usage; + + ret = spi_flash_erase(flash, offset, len); + if (ret) { + printf("SPI flash %s failed\n", argv[0]); + return 1; + } + + return 0; + +usage: + puts("Usage: sf erase offset len\n"); + return 1; +} + +static int do_spi_flash(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + const char *cmd; + + /* need at least two arguments */ + if (argc < 2) + goto usage; + + cmd = argv[1]; + + if (strcmp(cmd, "probe") == 0) + return do_spi_flash_probe(argc - 1, argv + 1); + + /* The remaining commands require a selected device */ + if (!flash) { + puts("No SPI flash selected. Please run `sf probe'\n"); + return 1; + } + + if (strcmp(cmd, "read") == 0 || strcmp(cmd, "write") == 0) + return do_spi_flash_read_write(argc - 1, argv + 1); + if (strcmp(cmd, "erase") == 0) + return do_spi_flash_erase(argc - 1, argv + 1); + +usage: + printf("Usage:\n%s\n", cmdtp->usage); + return 1; +} + +U_BOOT_CMD( + sf, 5, 1, do_spi_flash, + "sf - SPI flash sub-system\n", + "probe [bus:]cs [hz] [mode] - init flash device on given SPI bus\n" + " and chip select\n" + "sf read addr offset len - read `len' bytes starting at\n" + " `offset' to memory at `addr'\n" + "sf write addr offset len - write `len' bytes from memory\n" + " at `addr' to flash at `offset'\n" + "sf erase offset len - erase `len' bytes from `offset'\n"); diff --git a/common/cmd_spi.c b/common/cmd_spi.c index 7604422..40ee7e7 100644 --- a/common/cmd_spi.c +++ b/common/cmd_spi.c @@ -37,20 +37,20 @@ # define MAX_SPI_BYTES 32 /* Maximum number of bytes we can handle */ #endif -/* - * External table of chip select functions (see the appropriate board - * support for the actual definition of the table). - */ -extern spi_chipsel_type spi_chipsel[]; -extern int spi_chipsel_cnt; +#ifndef CONFIG_DEFAULT_SPI_BUS +# define CONFIG_DEFAULT_SPI_BUS 0 +#endif +#ifndef CONFIG_DEFAULT_SPI_MODE +# define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 +#endif /* * Values from last command. */ -static int device; -static int bitlen; -static uchar dout[MAX_SPI_BYTES]; -static uchar din[MAX_SPI_BYTES]; +static unsigned int device; +static int bitlen; +static uchar dout[MAX_SPI_BYTES]; +static uchar din[MAX_SPI_BYTES]; /* * SPI read/write @@ -65,6 +65,7 @@ static uchar din[MAX_SPI_BYTES]; int do_spi (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { + struct spi_slave *slave; char *cp = 0; uchar tmp; int j; @@ -101,19 +102,24 @@ int do_spi (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) } } - if ((device < 0) || (device >= spi_chipsel_cnt)) { - printf("Invalid device %d, giving up.\n", device); - return 1; - } if ((bitlen < 0) || (bitlen > (MAX_SPI_BYTES * 8))) { printf("Invalid bitlen %d, giving up.\n", bitlen); return 1; } - debug ("spi_chipsel[%d] = %08X\n", - device, (uint)spi_chipsel[device]); + /* FIXME: Make these parameters run-time configurable */ + slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, device, 1000000, + CONFIG_DEFAULT_SPI_MODE); + if (!slave) { + printf("Invalid device %d, giving up.\n", device); + return 1; + } + + debug ("spi chipsel = %08X\n", device); - if(spi_xfer(spi_chipsel[device], bitlen, dout, din) != 0) { + spi_claim_bus(slave); + if(spi_xfer(slave, bitlen, dout, din, + SPI_XFER_BEGIN | SPI_XFER_END) != 0) { printf("Error with the SPI transaction.\n"); rcode = 1; } else { @@ -123,6 +129,8 @@ int do_spi (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) } printf("\n"); } + spi_release_bus(slave); + spi_free_slave(slave); return rcode; } diff --git a/common/dlmalloc.c b/common/dlmalloc.c index 20c2069..c51351e 100644 --- a/common/dlmalloc.c +++ b/common/dlmalloc.c @@ -1,3 +1,5 @@ +#include <common.h> + #if 0 /* Moved to malloc.h */ /* ---------- To make a malloc.h, start cutting here ------------ */ @@ -947,7 +949,6 @@ void malloc_stats(); #endif /* 0 */ #endif /* 0 */ /* Moved to malloc.h */ -#include <common.h> DECLARE_GLOBAL_DATA_PTR; diff --git a/common/env_common.c b/common/env_common.c index a494812..e6df9a5 100644 --- a/common/env_common.c +++ b/common/env_common.c @@ -134,7 +134,8 @@ uchar default_environment[] = { "\0" }; -#if defined(CFG_ENV_IS_IN_NAND) /* Environment is in Nand Flash */ +#if defined(CFG_ENV_IS_IN_NAND) /* Environment is in Nand Flash */ \ + || defined(CFG_ENV_IS_IN_SPI_FLASH) int default_environment_size = sizeof(default_environment); #endif diff --git a/common/env_nand.c b/common/env_nand.c index 70d05ad..3a98d2b 100644 --- a/common/env_nand.c +++ b/common/env_nand.c @@ -57,9 +57,6 @@ int nand_legacy_rw (struct nand_chip* nand, int cmd, size_t start, size_t len, size_t * retlen, u_char * buf); -/* info for NAND chips, defined in drivers/mtd/nand/nand.c */ -extern nand_info_t nand_info[]; - /* references to names in env_common.c */ extern uchar default_environment[]; extern int default_environment_size; diff --git a/common/env_sf.c b/common/env_sf.c new file mode 100644 index 0000000..d641a9a --- /dev/null +++ b/common/env_sf.c @@ -0,0 +1,131 @@ +/* + * (C) Copyright 2000-2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Andreas Heppel <aheppel@sysgo.de> + * + * (C) Copyright 2008 Atmel Corporation + * + * 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 CFG_ENV_IS_IN_SPI_FLASH + +#include <environment.h> +#include <spi_flash.h> + +#ifndef CFG_ENV_SPI_BUS +# define CFG_ENV_SPI_BUS 0 +#endif +#ifndef CFG_ENV_SPI_CS +# define CFG_ENV_SPI_CS 0 +#endif +#ifndef CFG_ENV_SPI_MAX_HZ +# define CFG_ENV_SPI_MAX_HZ 1000000 +#endif +#ifndef CFG_ENV_SPI_MODE +# define CFG_ENV_SPI_MODE SPI_MODE_3 +#endif + +DECLARE_GLOBAL_DATA_PTR; + +/* references to names in env_common.c */ +extern uchar default_environment[]; +extern int default_environment_size; + +char * env_name_spec = "SPI Flash"; +env_t *env_ptr; + +static struct spi_flash *env_flash; + +uchar env_get_char_spec(int index) +{ + return *((uchar *)(gd->env_addr + index)); +} + +int saveenv(void) +{ + if (!env_flash) { + puts("Environment SPI flash not initialized\n"); + return 1; + } + + puts("Erasing SPI flash..."); + if (spi_flash_erase(env_flash, CFG_ENV_OFFSET, CFG_ENV_SIZE)) + return 1; + + puts("Writing to SPI flash..."); + if (spi_flash_write(env_flash, CFG_ENV_OFFSET, CFG_ENV_SIZE, env_ptr)) + return 1; + + puts("done\n"); + return 0; +} + +void env_relocate_spec(void) +{ + int ret; + + env_flash = spi_flash_probe(CFG_ENV_SPI_BUS, CFG_ENV_SPI_CS, + CFG_ENV_SPI_MAX_HZ, CFG_ENV_SPI_MODE); + if (!env_flash) + goto err_probe; + + ret = spi_flash_read(env_flash, CFG_ENV_OFFSET, CFG_ENV_SIZE, env_ptr); + if (ret) + goto err_read; + + if (crc32(0, env_ptr->data, ENV_SIZE) != env_ptr->crc) + goto err_crc; + + gd->env_valid = 1; + + return; + +err_read: + spi_flash_free(env_flash); + env_flash = NULL; +err_probe: +err_crc: + puts("*** Warning - bad CRC, using default environment\n\n"); + + if (default_environment_size > CFG_ENV_SIZE) { + gd->env_valid = 0; + puts("*** Error - default environment is too large\n\n"); + return; + } + + memset(env_ptr, 0, sizeof(env_t)); + memcpy(env_ptr->data, default_environment, default_environment_size); + env_ptr->crc = crc32(0, env_ptr->data, ENV_SIZE); + gd->env_valid = 1; +} + +int env_init(void) +{ + /* SPI flash isn't usable before relocation */ + gd->env_addr = (ulong)&default_environment[0]; + gd->env_valid = 1; + + return 0; +} + +#endif /* CFG_ENV_IS_IN_SPI_FLASH */ diff --git a/common/image.c b/common/image.c index 67e594d..9188024 100644 --- a/common/image.c +++ b/common/image.c @@ -35,6 +35,10 @@ #include <dataflash.h> #endif +#ifdef CONFIG_LOGBUFFER +#include <logbuff.h> +#endif + #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) #include <rtc.h> #endif @@ -1013,6 +1017,12 @@ int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, initrd_high = ~0; } + +#ifdef CONFIG_LOGBUFFER + /* Prevent initrd from overwriting logbuffer */ + lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); +#endif + debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", initrd_high, initrd_copy_to_ram); diff --git a/common/lcd.c b/common/lcd.c index 914dc2e..ebf377a 100644 --- a/common/lcd.c +++ b/common/lcd.c @@ -50,6 +50,11 @@ #include <lcdvideo.h> #endif +#if defined(CONFIG_ATMEL_LCD) +#include <atmel_lcdc.h> +#include <nand.h> +#endif + #ifdef CONFIG_LCD /************************************************************************/ @@ -474,14 +479,22 @@ ulong lcd_setmem (ulong addr) static void lcd_setfgcolor (int color) { +#ifdef CONFIG_ATMEL_LCD + lcd_color_fg = color; +#else lcd_color_fg = color & 0x0F; +#endif } /*----------------------------------------------------------------------*/ static void lcd_setbgcolor (int color) { +#ifdef CONFIG_ATMEL_LCD + lcd_color_bg = color; +#else lcd_color_bg = color & 0x0F; +#endif } /*----------------------------------------------------------------------*/ @@ -508,7 +521,11 @@ static int lcd_getbgcolor (void) #ifdef CONFIG_LCD_LOGO void bitmap_plot (int x, int y) { +#ifdef CONFIG_ATMEL_LCD + uint *cmap; +#else ushort *cmap; +#endif ushort i, j; uchar *bmap; uchar *fb; @@ -533,6 +550,8 @@ void bitmap_plot (int x, int y) cmap = (ushort *)fbi->palette; #elif defined(CONFIG_MPC823) cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]); +#elif defined(CONFIG_ATMEL_LCD) + cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); #endif WATCHDOG_RESET(); @@ -540,11 +559,26 @@ void bitmap_plot (int x, int y) /* Set color map */ for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) { ushort colreg = bmp_logo_palette[i]; +#ifdef CONFIG_ATMEL_LCD + uint lut_entry; +#ifdef CONFIG_ATMEL_LCD_BGR555 + lut_entry = ((colreg & 0x000F) << 11) | + ((colreg & 0x00F0) << 2) | + ((colreg & 0x0F00) >> 7); +#else /* CONFIG_ATMEL_LCD_RGB565 */ + lut_entry = ((colreg & 0x000F) << 1) | + ((colreg & 0x00F0) << 3) | + ((colreg & 0x0F00) << 4); +#endif + *(cmap + BMP_LOGO_OFFSET) = lut_entry; + cmap++; +#else /* !CONFIG_ATMEL_LCD */ #ifdef CFG_INVERT_COLORS *cmap++ = 0xffff - colreg; #else *cmap++ = colreg; #endif +#endif /* CONFIG_ATMEL_LCD */ } WATCHDOG_RESET(); @@ -578,7 +612,9 @@ void bitmap_plot (int x, int y) */ int lcd_display_bitmap(ulong bmp_image, int x, int y) { -#if !defined(CONFIG_MCC200) +#ifdef CONFIG_ATMEL_LCD + uint *cmap; +#elif !defined(CONFIG_MCC200) ushort *cmap; #endif ushort i, j; @@ -633,6 +669,8 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) cmap = (ushort *)fbi->palette; #elif defined(CONFIG_MPC823) cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); +#elif defined(CONFIG_ATMEL_LCD) + cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); #else # error "Don't know location of color map" #endif @@ -708,6 +746,10 @@ static void *lcd_logo (void) #ifdef CONFIG_LCD_INFO char info[80]; char temp[32]; +#ifdef CONFIG_ATMEL_LCD + int i; + ulong dram_size, nand_size; +#endif #endif /* CONFIG_LCD_INFO */ #ifdef CONFIG_SPLASH_SCREEN @@ -765,6 +807,40 @@ static void *lcd_logo (void) # endif /* CONFIG_LCD_INFO */ #endif /* CONFIG_MPC823 */ +#ifdef CONFIG_ATMEL_LCD +# ifdef CONFIG_LCD_INFO + sprintf (info, "%s", U_BOOT_VERSION); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info)); + + sprintf (info, "(C) 2008 ATMEL Corp"); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT, + (uchar *)info, strlen(info)); + + sprintf (info, "at91support@atmel.com"); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2, + (uchar *)info, strlen(info)); + + sprintf (info, "%s CPU at %s MHz", + AT91_CPU_NAME, + strmhz(temp, AT91_MAIN_CLOCK)); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3, + (uchar *)info, strlen(info)); + + dram_size = 0; + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) + dram_size += gd->bd->bi_dram[i].size; + nand_size = 0; + for (i = 0; i < CFG_MAX_NAND_DEVICE; i++) + nand_size += nand_info[i].size; + sprintf (info, " %ld MB SDRAM, %ld MB NAND", + dram_size >> 20, + nand_size >> 20 ); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4, + (uchar *)info, strlen(info)); +# endif /* CONFIG_LCD_INFO */ +#endif /* CONFIG_ATMEL_LCD */ + + #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length)); #else diff --git a/common/main.c b/common/main.c index a17b60b..046da6f 100644 --- a/common/main.c +++ b/common/main.c @@ -940,12 +940,6 @@ int readline_into_buffer (const char *const prompt, char * buffer) int rc; static int initted = 0; - if (!initted) { - hist_init(); - initted = 1; - } - - /* * History uses a global array which is not * writable until after relocation to RAM. diff --git a/common/soft_i2c.c b/common/soft_i2c.c index c5d7e20..5ef7f30 100644 --- a/common/soft_i2c.c +++ b/common/soft_i2c.c @@ -252,6 +252,7 @@ static uchar read_byte(int ack) * Read 8 bits, MSB first. */ I2C_TRISTATE; + I2C_SDA(1); data = 0; for(j = 0; j < 8; j++) { I2C_SCL(0); diff --git a/common/soft_spi.c b/common/soft_spi.c index e425061..c131650 100644 --- a/common/soft_spi.c +++ b/common/soft_spi.c @@ -29,6 +29,8 @@ #if defined(CONFIG_SOFT_SPI) +#include <malloc.h> + /*----------------------------------------------------------------------- * Definitions */ @@ -39,6 +41,15 @@ #define PRINTD(fmt,args...) #endif +struct soft_spi_slave { + struct spi_slave slave; + unsigned int mode; +}; + +static inline struct soft_spi_slave *to_soft_spi(struct spi_slave *slave) +{ + return container_of(slave, struct soft_spi_slave, slave); +} /*=====================================================================*/ /* Public Functions */ @@ -56,6 +67,57 @@ void spi_init (void) #endif } +struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int mode) +{ + struct soft_spi_slave *ss; + + if (!spi_cs_is_valid(bus, cs)) + return NULL; + + ss = malloc(sizeof(struct soft_spi_slave)); + if (!ss) + return NULL; + + ss->slave.bus = bus; + ss->slave.cs = cs; + ss->mode = mode; + + /* TODO: Use max_hz to limit the SCK rate */ + + return &ss->slave; +} + +void spi_free_slave(struct spi_slave *slave) +{ + struct soft_spi_slave *ss = to_soft_spi(slave); + + free(ss); +} + +int spi_claim_bus(struct spi_slave *slave) +{ +#ifdef CFG_IMMR + volatile immap_t *immr = (immap_t *)CFG_IMMR; +#endif + struct soft_spi_slave *ss = to_soft_spi(slave); + + /* + * Make sure the SPI clock is in idle state as defined for + * this slave. + */ + if (ss->mode & SPI_CPOL) + SPI_SCL(1); + else + SPI_SCL(0); + + return 0; +} + +void spi_release_bus(struct spi_slave *slave) +{ + /* Nothing to do */ +} /*----------------------------------------------------------------------- * SPI transfer @@ -68,50 +130,54 @@ void spi_init (void) * and "din" can point to the same memory location, in which case the * input data overwrites the output data (since both are buffered by * temporary variables, this is OK). - * - * If the chipsel() function is not NULL, it is called with a parameter - * of '1' (chip select active) at the start of the transfer and again with - * a parameter of '0' at the end of the transfer. - * - * If the chipsel() function _is_ NULL, it the responsibility of the - * caller to make the appropriate chip select active before calling - * spi_xfer() and making it inactive after spi_xfer() returns. */ -int spi_xfer(spi_chipsel_type chipsel, int bitlen, uchar *dout, uchar *din) +int spi_xfer(struct spi_slave *slave, unsigned int bitlen, + const void *dout, void *din, unsigned long flags) { #ifdef CFG_IMMR volatile immap_t *immr = (immap_t *)CFG_IMMR; #endif - uchar tmpdin = 0; - uchar tmpdout = 0; - int j; + struct soft_spi_slave *ss = to_soft_spi(slave); + uchar tmpdin = 0; + uchar tmpdout = 0; + const u8 *txd = dout; + u8 *rxd = din; + int cpol = ss->mode & SPI_CPOL; + int cpha = ss->mode & SPI_CPHA; + unsigned int j; - PRINTD("spi_xfer: chipsel %08X dout %08X din %08X bitlen %d\n", - (int)chipsel, *(uint *)dout, *(uint *)din, bitlen); + PRINTD("spi_xfer: slave %u:%u dout %08X din %08X bitlen %u\n", + slave->bus, slave->cs, *(uint *)txd, *(uint *)rxd, bitlen); - if(chipsel != NULL) { - (*chipsel)(1); /* select the target chip */ - } + if (flags & SPI_XFER_BEGIN) + spi_cs_activate(slave); for(j = 0; j < bitlen; j++) { /* * Check if it is time to work on a new byte. */ if((j % 8) == 0) { - tmpdout = *dout++; + tmpdout = *txd++; if(j != 0) { - *din++ = tmpdin; + *rxd++ = tmpdin; } tmpdin = 0; } - SPI_SCL(0); + + if (!cpha) + SPI_SCL(!cpol); SPI_SDA(tmpdout & 0x80); SPI_DELAY; - SPI_SCL(1); + if (cpha) + SPI_SCL(!cpol); + else + SPI_SCL(cpol); + tmpdin <<= 1; + tmpdin |= SPI_READ; + tmpdout <<= 1; SPI_DELAY; - tmpdin <<= 1; - tmpdin |= SPI_READ; - tmpdout <<= 1; + if (cpha) + SPI_SCL(cpol); } /* * If the number of bits isn't a multiple of 8, shift the last @@ -120,14 +186,10 @@ int spi_xfer(spi_chipsel_type chipsel, int bitlen, uchar *dout, uchar *din) */ if((bitlen % 8) != 0) tmpdin <<= 8 - (bitlen % 8); - *din++ = tmpdin; - - SPI_SCL(0); /* SPI wants the clock left low for idle */ + *rxd++ = tmpdin; - if(chipsel != NULL) { - (*chipsel)(0); /* deselect the target chip */ - - } + if (flags & SPI_XFER_END) + spi_cs_deactivate(slave); return(0); } |