at91bootstrap: new package

needed to support afeb9260 board, for
at91 CPUs with very little flash memory inside
at91bootstrap is first-level bootloader, which
sets up SDRAM and loads u-boot there, then runs.

Signed-off-by: Sergey Lapin <slapin@ossfans.org>

diff --git a/packages/at91bootstrap/at91bootstrap_2.3.bb b/packages/at91bootstrap/at91bootstrap_2.3.bb
new file mode 100644 (file)
index 0000000..9b33ce5
--- /dev/null
+++ b/packages/at91bootstrap/at91bootstrap_2.3.bb
@@ -0,0 +1,43 @@
+DESCRIPTION = "at91bootstrap"
+SRC_URI = "ftp://www.at91.com/pub/buildroot/${PN}-${PV}.tar.bz2 \
+           file://at91bootstrap-${PV}.4.patch;patch=1 \
+           "
+PR = "r3"
+SECTION = "bootloaders"
+
+AT91BOOTSTRAP_MACHINE = "at91sam9260ek"
+AT91BOOTSTRAP_MACHINE ?= "${MACHINE}"
+AT91BOOTSTRAP_FLAGS ?= ""
+AT91BOOTSTRAP_MEMORY ?= "dataflash"
+
+AT91BOOTSTRAP_IMAGE = "at91bootstrap-${MACHINE}-${AT91BOOTSTRAP_MEMORY}-${PV}-${PR}.bin"
+AT91BOOTSTRAP_SYMLINK = "at91bootstrap.bin"
+
+S = "${WORKDIR}/${PN}-${PV}"
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+EXTRA_OEMAKE = "CROSS_COMPILE=${TARGET_PREFIX} MEMORY=${AT91BOOTSTRAP_MEMORY}"
+
+do_compile () {
+       unset LDFLAGS
+       unset CFLAGS
+       unset CPPFLAGS
+
+       rm -Rf ${S}/binaries
+       oe_runmake ${AT91BOOTSTRAP_MACHINE}_defconfig
+       oe_runmake AT91_CUSTOM_FLAGS="${AT91BOOTSTRAP_FLAGS}"
+}
+
+do_deploy () {
+       install -d ${DEPLOY_DIR_IMAGE}
+       install ${S}/binaries/${AT91BOOTSTRAP_MACHINE}-${AT91BOOTSTRAP_MEMORY}boot-${PV}.bin \
+               ${DEPLOY_DIR_IMAGE}/${AT91BOOTSTRAP_IMAGE}
+       package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${AT91BOOTSTRAP_IMAGE}
+       cd ${DEPLOY_DIR_IMAGE}
+       rm -f ${AT91BOOTSTRAP_SYMLINK}
+       ln -sf ${AT91BOOTSTRAP_IMAGE} ${AT91BOOTSTRAP_SYMLINK}
+       package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${AT91BOOTSTRAP_SYMLINK}
+}
+
+do_deploy[dirs] = "${S}"
+addtask deploy before do_build after do_compile

diff --git a/packages/at91bootstrap/files/at91bootstrap-2.3.4.patch b/packages/at91bootstrap/files/at91bootstrap-2.3.4.patch
new file mode 100644 (file)
index 0000000..4b94f63
--- /dev/null
+++ b/packages/at91bootstrap/files/at91bootstrap-2.3.4.patch
@@ -0,0 +1,265 @@
+diff -urN at91bootstrap-2.3-0rig/driver/dataflash.c at91bootstrap-2.3.4/driver/dataflash.c
+--- at91bootstrap-2.3-0rig/driver/dataflash.c  2007-04-22 13:56:29.000000000 +0200
++++ at91bootstrap-2.3.4/driver/dataflash.c     2007-09-24 20:56:18.000000000 +0200
+@@ -39,8 +39,12 @@
+ #include "../include/part.h"
+ #include "../include/main.h"
+ #include "../include/dataflash.h"
++#include "../include/debug.h"
+ #include <stdlib.h>
+ 
++#define       SUCCESS 1
++#define       FAILURE 0
++
+ #ifdef CFG_DATAFLASH
+ extern        div_t udiv(unsigned int numerator, unsigned int denominator);
+ /* Write SPI register */
+@@ -92,7 +96,7 @@
+       /* SPI_Enable */
+       write_spi(SPI_CR, AT91C_SPI_SPIEN);
+ 
+-      return 0;
++      return SUCCESS;
+ }
+ 
+ /*------------------------------------------------------------------------------*/
+@@ -134,12 +138,10 @@
+ 
+       /* Try to get the dataflash semaphore */
+       if ((pDataFlash->bSemaphore) != UNLOCKED)
+-              return (char) 0;
++              return (char) FAILURE;
+       pDataFlash->bSemaphore = LOCKED;
+-
+       /* Compute command pattern */
+       dInternalAdr = (result.quot << AT91C_PAGE_OFFSET(pDataFlash)) + result.rem;
+-
+       if (AT91C_DF_NB_PAGE(pDataFlash) >= 16384)
+       {
+               pDataFlash->command[0] = (bCmd & 0x000000FF) | \
+@@ -178,7 +180,7 @@
+ 
+       while (df_is_busy(pDataFlash) == LOCKED);
+ 
+-      return 1;
++      return SUCCESS;
+ }
+ 
+ /*------------------------------------------------------------------------------*/
+@@ -194,13 +196,13 @@
+               if (df_get_status(pDataFlash))
+               {
+                       if (df_is_ready(pDataFlash))
+-                              return 1;
++                              return SUCCESS;
+               }
+       }
+ 
+-      return 0;
++      return FAILURE;
+ }
+-
++volatile      int loop;
+ /*------------------------------------------------------------------------------*/
+ /* \fn    df_read                                                             */
+ /* \brief Read a block in dataflash                                           */
+@@ -212,21 +214,30 @@
+       unsigned int size)
+ {
+       unsigned int SizeToRead;
++      int page_counter;
+ 
++      page_counter = 32;
+       while (size)
+       {
+-              SizeToRead = (size < AT91C_MAX_PDC_SIZE)? size : AT91C_MAX_PDC_SIZE;
+-
++              SizeToRead = (size < 0x8000)? size : 0x8000;
+               /* wait the dataflash ready status */
+-              df_wait_ready(pDf);
+-              df_continuous_read(pDf, (char *)buffer, SizeToRead, addr);
+-
+-              size -= SizeToRead;
+-              addr += SizeToRead;
+-              buffer += SizeToRead;
++              if(df_wait_ready(pDf) != 0) {
++                      df_continuous_read(pDf, (char *)buffer, SizeToRead, addr);
++                      dbg_print(".");
++                      if(--page_counter <= 0) {
++                              page_counter = 32;
++                              dbg_print("\r\n");
++                      }
++                      size -= SizeToRead;
++                      addr += SizeToRead;
++                      buffer += SizeToRead;
++              } else {
++                      /* We got a timeout */
++                      dbg_print("Timeout while waiting for dataflash ready\n");
++                      return FAILURE;
++              }
+       }
+-
+-      return 0;
++      return SUCCESS;
+ }
+ 
+ /*----------------------------------------------------------------------*/
+@@ -235,13 +246,19 @@
+ /*----------------------------------------------------------------------*/
+ static int df_download(AT91PS_DF pDf, unsigned int img_addr, unsigned int img_size, unsigned int img_dest)
+ {
++      dbg_print(">Loading from Dataflash[");
++      dbg_print_hex(img_addr);
++      dbg_print("] to SDRAM[");
++      dbg_print_hex(img_dest);
++      dbg_print("]\r\n");
+       /* read bytes in the dataflash */
+-      df_read(pDf, img_addr,(unsigned char *)img_dest, img_size);
+-
++      if(df_read(pDf, img_addr,(unsigned char *)img_dest, img_size) == FAILURE)
++              return FAILURE;
++      dbg_print("\r\n>Loading complete, [");
++      dbg_print_hex(IMG_SIZE);
++      dbg_print("] bytes\r\n");
+       /* wait the dataflash ready status */
+-      df_wait_ready(pDf);
+-
+-    return 0;
++      return df_wait_ready(pDf);
+ }
+ 
+ /*----------------------------------------------------------------------*/
+@@ -263,7 +280,7 @@
+ static int df_init (AT91PS_DF pDf)
+ {
+       int dfcode = 0;
+-      int status = 1;
++      int status = SUCCESS;
+ 
+       /* Default: AT45DB321B */
+       pDf->dfDescription.pages_number = 8192;
+@@ -302,18 +319,21 @@
+                       pDf->dfDescription.pages_number = 4096;
+                       pDf->dfDescription.pages_size = 528;
+                       pDf->dfDescription.page_offset = 10;
++                      dbg_print(">AT45DB161D detected\r\n");
+                       break;
+ 
+               case AT45DB321B:
+                       pDf->dfDescription.pages_number = 8192;
+                       pDf->dfDescription.pages_size = 528;
+                       pDf->dfDescription.page_offset = 10;
++                      dbg_print(">AT45DB321D detected\r\n");
+                       break;
+ 
+               case AT45DB642:
+                       pDf->dfDescription.pages_number = 8192;
+                       pDf->dfDescription.pages_size = 1056;
+                       pDf->dfDescription.page_offset = 11;
++                      dbg_print(">AT45DB642D detected\r\n");
+                       break;
+ /*
+               case AT45DB1282:
+@@ -335,7 +355,7 @@
+                       break;
+ */
+               default:
+-                      status = 0;
++                      status = FAILURE;
+                       break;
+       }
+ 
+@@ -357,12 +377,12 @@
+               if (i != 23)
+               {
+                       if ((buffer[i] != 0xEA) && (buffer[i] != 0xE5) )
+-                              return -1;
++                              return FAILURE;
+               }
+               i+=4;
+       }
+ 
+-      return 0;
++      return SUCCESS;
+ }
+ 
+ /*------------------------------------------------------------------------------*/
+@@ -374,13 +394,14 @@
+       AT91S_DF sDF;
+       AT91PS_DF pDf = (AT91PS_DF)&sDF;
+       unsigned int rxBuffer[128];
++      unsigned int status;
+ 
+       pDf->bSemaphore = UNLOCKED;
+ 
+       df_spi_init(pcs, DF_CS_SETTINGS);
+ 
+-      if (!df_init(pDf))
+-              return -1;
++      if (df_init(pDf) == FAILURE)
++              return FAILURE;
+ 
+ #ifdef AT91SAM9260
+       /* Test if a button has been pressed or not */
+@@ -391,10 +412,13 @@
+       df_continuous_read(pDf, (char *)rxBuffer, 32, img_addr);
+       df_wait_ready(pDf);
+ 
+-      if (df_is_boot_valid((unsigned char*)rxBuffer))
+-              return -1;
++      if (df_is_boot_valid((unsigned char*)rxBuffer) == FAILURE) {
++              dbg_print(">Invalid Boot Area...\n\r");
++              return FAILURE;
++      }
+ 
+-      return df_download(pDf, img_addr, img_size, img_dest);
++      status = df_download(pDf, img_addr, img_size, img_dest);
++      return status;
+ }
+ 
+ #endif /* CFG_DATAFLASH */
+diff -urN at91bootstrap-2.3-0rig/driver/debug.c at91bootstrap-2.3.4/driver/debug.c
+--- at91bootstrap-2.3-0rig/driver/debug.c      2006-12-05 11:27:24.000000000 +0100
++++ at91bootstrap-2.3.4/driver/debug.c 2007-09-24 20:38:01.000000000 +0200
+@@ -85,4 +85,19 @@
+       }
+ }
+ 
++void dbg_print_hex(unsigned int data)
++{
++      unsigned char hex[11];
++      int i=0;
++      hex[0]='0';
++      hex[1]='x';
++      for(i = 9 ;i >= 2;i--) {
++              hex[i] = "0123456789ABCDEF"[data & 0xF];
++              data >>= 4;
++      }
++      hex[10]='\0';   
++      dbg_print((const char *) hex);
++}
++
++
+ #endif /* CFG_DEBUG */
+diff -urN at91bootstrap-2.3-0rig/include/debug.h at91bootstrap-2.3.4/include/debug.h
+--- at91bootstrap-2.3-0rig/include/debug.h     2006-12-05 11:27:20.000000000 +0100
++++ at91bootstrap-2.3.4/include/debug.h        2007-09-24 18:26:37.000000000 +0200
+@@ -45,5 +45,6 @@
+ /* Global functions */
+ extern void dbg_init(unsigned int);
+ extern void dbg_print(const char *ptr);
++extern void dbg_print_hex(unsigned int data);
+ 
+ #endif /*_DEBUG_H_*/
+diff -urN at91bootstrap-2.3-0rig/Makefile at91bootstrap-2.3.4/Makefile
+--- at91bootstrap-2.3-0rig/Makefile    2007-09-24 18:26:10.000000000 +0200
++++ at91bootstrap-2.3.4/Makefile       2007-09-24 20:56:53.000000000 +0200
+@@ -17,7 +17,7 @@
+ endif
+ 
+ ifeq  ($(CONFIG_SPI_CLK),)
+-CONFIG_SPI_CLK=5000000
++CONFIG_SPI_CLK=33000000
+ endif
+ 
+ ifndef        MEMORY