Conditionally add -fno-stack-protector to CFLAGS

[people/ms/u-boot.git] / lib_ppc / board.c

diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index 9aa67f93c0f66a6e5764cc1ee31a856da701f924..c42e08862fc87321c86261fcf8fb14f5d7f86b1b 100644 (file)
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -38,6 +38,9 @@
 #if defined(CONFIG_CMD_IDE)
 #include <ide.h>
 #endif
+#if defined(CONFIG_CMD_SATA)
+#include <sata.h>
+#endif
 #if defined(CONFIG_CMD_SCSI)
 #include <scsi.h>
 #endif
@@ -87,9 +90,10 @@ void doc_init (void);
     defined(CONFIG_SOFT_I2C)
 #include <i2c.h>
 #endif
-#if defined(CONFIG_CMD_NAND)
-void nand_init (void);
+#if defined(CONFIG_HARD_SPI)
+#include <spi.h>
 #endif
+#include <nand.h>
 
 static char *failed = "*** failed ***\n";
 
@@ -114,6 +118,10 @@ DECLARE_GLOBAL_DATA_PTR;
 #define        TOTAL_MALLOC_LEN        CFG_MALLOC_LEN
 #endif
 
+#if !defined(CFG_MEM_TOP_HIDE)
+#define CFG_MEM_TOP_HIDE       0
+#endif
+
 extern ulong __init_end;
 extern ulong _end;
 ulong monitor_flash_len;
@@ -247,6 +255,16 @@ static int init_func_i2c (void)
 }
 #endif
 
+#if defined(CONFIG_HARD_SPI)
+static int init_func_spi (void)
+{
+       puts ("SPI:   ");
+       spi_init ();
+       puts ("ready\n");
+       return (0);
+}
+#endif
+
 /***********************************************************************/
 
 #if defined(CONFIG_WATCHDOG)
@@ -329,6 +347,9 @@ init_fnc_t *init_sequence[] = {
 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
        init_func_i2c,
 #endif
+#if defined(CONFIG_HARD_SPI)
+       init_func_spi,
+#endif
 #if defined(CONFIG_DTT)                /* Digital Thermometers and Thermostats */
        dtt_init,
 #endif
@@ -345,6 +366,20 @@ init_fnc_t *init_sequence[] = {
        NULL,                   /* Terminate this list */
 };
 
+#ifndef CONFIG_MAX_MEM_MAPPED
+#define CONFIG_MAX_MEM_MAPPED (256 << 20)
+#endif
+ulong get_effective_memsize(void)
+{
+#ifndef        CONFIG_VERY_BIG_RAM
+       return gd->ram_size;
+#else
+       /* limit stack to what we can reasonable map */
+       return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
+                CONFIG_MAX_MEM_MAPPED : gd->ram_size);
+#endif
+}
+
 /************************************************************************
  *
  * This is the first part of the initialization sequence that is
@@ -361,6 +396,13 @@ init_fnc_t *init_sequence[] = {
  ************************************************************************
  */
 
+#ifdef CONFIG_LOGBUFFER
+unsigned long logbuffer_base(void)
+{
+       return CFG_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
+}
+#endif
+
 void board_init_f (ulong bootflag)
 {
        bd_t *bd;
@@ -379,7 +421,8 @@ void board_init_f (ulong bootflag)
        /* compiler optimization barrier needed for GCC >= 3.4 */
        __asm__ __volatile__("": : :"memory");
 
-#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX)
+#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX) && \
+    !defined(CONFIG_MPC85xx) && !defined(CONFIG_MPC86xx)
        /* Clear initial global data */
        memset ((void *) gd, 0, sizeof (gd_t));
 #endif
@@ -395,6 +438,7 @@ void board_init_f (ulong bootflag)
         * relocate the code and continue running from DRAM.
         *
         * Reserve memory at end of RAM for (top down in that order):
+        *  - area that won't get touched by U-Boot and Linux (optional)
         *  - kernel log buffer
         *  - protected RAM
         *  - LCD framebuffer
@@ -403,19 +447,27 @@ void board_init_f (ulong bootflag)
         */
        len = (ulong)&_end - CFG_MONITOR_BASE;
 
-#ifndef        CONFIG_VERY_BIG_RAM
-       addr = CFG_SDRAM_BASE + gd->ram_size;
-#else
-       /* only allow stack below 256M */
-       addr = CFG_SDRAM_BASE +
-              (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
-#endif
+       /*
+        * Subtract specified amount of memory to hide so that it won't
+        * get "touched" at all by U-Boot. By fixing up gd->ram_size
+        * the Linux kernel should now get passed the now "corrected"
+        * memory size and won't touch it either. This should work
+        * for arch/ppc and arch/powerpc. Only Linux board ports in
+        * arch/powerpc with bootwrapper support, that recalculate the
+        * memory size from the SDRAM controller setup will have to
+        * get fixed.
+        */
+       gd->ram_size -= CFG_MEM_TOP_HIDE;
+
+       addr = CFG_SDRAM_BASE + get_effective_memsize();
 
 #ifdef CONFIG_LOGBUFFER
+#ifndef CONFIG_ALT_LB_ADDR
        /* reserve kernel log buffer */
        addr -= (LOGBUFF_RESERVE);
        debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
 #endif
+#endif
 
 #ifdef CONFIG_PRAM
        /*
@@ -555,6 +607,9 @@ void board_init_f (ulong bootflag)
        bd->bi_sccfreq = gd->scc_clk;
        bd->bi_vco     = gd->vco_out;
 #endif /* CONFIG_CPM2 */
+#if defined(CONFIG_MPC512X)
+       bd->bi_ipsfreq = gd->ips_clk;
+#endif /* CONFIG_MPC512X */
 #if defined(CONFIG_MPC5xxx)
        bd->bi_ipbfreq = gd->ipb_clk;
        bd->bi_pcifreq = gd->pci_clk;
@@ -832,6 +887,11 @@ void board_init_r (gd_t *id, ulong dest_addr)
 #if defined(CONFIG_SC3)
        sc3_read_eeprom();
 #endif
+
+#if defined (CFG_ID_EEPROM) || defined (CFG_I2C_MAC_OFFSET)
+       mac_read_from_eeprom();
+#endif
+
        s = getenv ("ethaddr");
 #if defined (CONFIG_MBX) || \
     defined (CONFIG_RPXCLASSIC) || \
@@ -899,10 +959,6 @@ void board_init_r (gd_t *id, ulong dest_addr)
        }
 #endif
 
-#ifdef CFG_ID_EEPROM
-       mac_read_from_eeprom();
-#endif
-
 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
     defined(CONFIG_TQM8272) || \
     defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
@@ -928,6 +984,11 @@ void board_init_r (gd_t *id, ulong dest_addr)
        /* Initialize the jump table for applications */
        jumptable_init ();
 
+#if defined(CONFIG_API)
+       /* Initialize API */
+       api_init ();
+#endif
+
        /* Initialize the console (after the relocation and devices init) */
        console_init_r ();
 
@@ -1058,6 +1119,11 @@ void board_init_r (gd_t *id, ulong dest_addr)
 #endif
 #endif
 
+#if defined(CONFIG_CMD_SATA)
+       puts ("SATA:  ");
+       sata_initialize ();
+#endif
+
 #ifdef CONFIG_LAST_STAGE_INIT
        WATCHDOG_RESET ();
        /*
@@ -1093,8 +1159,10 @@ void board_init_r (gd_t *id, ulong dest_addr)
                pram=0;
 #endif
 #ifdef CONFIG_LOGBUFFER
+#ifndef CONFIG_ALT_LB_ADDR
                /* Also take the logbuffer into account (pram is in kB) */
                pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
+#endif
 #endif
                sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
                setenv ("mem", (char *)memsz);