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authorWolfgang Denk <wd@denx.de>2008-06-05 01:12:30 +0200
committerWolfgang Denk <wd@denx.de>2008-06-05 01:12:30 +0200
commit8155efbd7ae9c65564ca98affe94631d612ae088 (patch)
tree23f89ba651f48bf88c653796cb64f2c58d2f0515 /common
parent5e1882df6a3efc7de5524d28cea4ecde7d163d54 (diff)
parent9ef1cbef1a649e3779298b0e663be4865cbbbfbc (diff)
downloadu-boot-imx-8155efbd7ae9c65564ca98affe94631d612ae088.zip
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Merge branch 'master' of ssh://mercury/home/wd/git/u-boot/master
Diffstat (limited to 'common')
-rw-r--r--common/Makefile2
-rw-r--r--common/cmd_df.c37
-rw-r--r--common/cmd_log.c8
-rw-r--r--common/cmd_nand.c2
-rw-r--r--common/cmd_nvedit.c3
-rw-r--r--common/cmd_sf.c191
-rw-r--r--common/cmd_spi.c42
-rw-r--r--common/dlmalloc.c3
-rw-r--r--common/env_common.c3
-rw-r--r--common/env_nand.c3
-rw-r--r--common/env_sf.c131
-rw-r--r--common/image.c10
-rw-r--r--common/lcd.c78
-rw-r--r--common/main.c6
-rw-r--r--common/soft_i2c.c1
-rw-r--r--common/soft_spi.c124
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);
}