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-rw-r--r--lib_ppc/board.c164
-rw-r--r--lib_ppc/bootm.c288
-rw-r--r--lib_ppc/cache.c36
-rw-r--r--lib_ppc/extable.c4
-rw-r--r--lib_ppc/interrupts.c13
-rw-r--r--lib_ppc/time.c2
6 files changed, 321 insertions, 186 deletions
diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index c8f075f5a..289a32a64 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -52,7 +52,7 @@
#endif
#include <net.h>
#include <serial.h>
-#ifdef CFG_ALLOC_DPRAM
+#ifdef CONFIG_SYS_ALLOC_DPRAM
#if !defined(CONFIG_CPM2)
#include <commproc.h>
#endif
@@ -68,14 +68,14 @@
#if defined(CONFIG_LOGBUFFER)
#include <logbuff.h>
#endif
-#if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
+#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
#include <asm/cache.h>
#endif
#ifdef CONFIG_PS2KBD
#include <keyboard.h>
#endif
-#ifdef CFG_UPDATE_FLASH_SIZE
+#ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
extern int update_flash_size (int flash_size);
#endif
@@ -106,18 +106,18 @@ extern int board_start_ide(void);
DECLARE_GLOBAL_DATA_PTR;
-#if defined(CFG_ENV_IS_EMBEDDED)
-#define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
-#elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
- (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
- defined(CFG_ENV_IS_IN_NVRAM)
-#define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
+#if defined(CONFIG_ENV_IS_EMBEDDED)
+#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
+#elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
+ (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
+ defined(CONFIG_ENV_IS_IN_NVRAM)
+#define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
#else
-#define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
+#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
#endif
-#if !defined(CFG_MEM_TOP_HIDE)
-#define CFG_MEM_TOP_HIDE 0
+#if !defined(CONFIG_SYS_MEM_TOP_HIDE)
+#define CONFIG_SYS_MEM_TOP_HIDE 0
#endif
extern ulong __init_end;
@@ -146,7 +146,7 @@ static ulong mem_malloc_brk = 0;
static void mem_malloc_init (void)
{
#if !defined(CONFIG_RELOC_FIXUP_WORKS)
- mem_malloc_end = CFG_MONITOR_BASE + gd->reloc_off;
+ mem_malloc_end = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
#endif
mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
mem_malloc_brk = mem_malloc_start;
@@ -234,7 +234,7 @@ static int init_func_ram (void)
static int init_func_i2c (void)
{
puts ("I2C: ");
- i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
+ i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
puts ("ready\n");
return (0);
}
@@ -291,7 +291,7 @@ init_fnc_t *init_sequence[] = {
#endif
init_timebase,
#endif
-#ifdef CFG_ALLOC_DPRAM
+#ifdef CONFIG_SYS_ALLOC_DPRAM
#if !defined(CONFIG_CPM2)
dpram_init,
#endif
@@ -343,9 +343,9 @@ init_fnc_t *init_sequence[] = {
#endif
INIT_FUNC_WATCHDOG_RESET
init_func_ram,
-#if defined(CFG_DRAM_TEST)
+#if defined(CONFIG_SYS_DRAM_TEST)
testdram,
-#endif /* CFG_DRAM_TEST */
+#endif /* CONFIG_SYS_DRAM_TEST */
INIT_FUNC_WATCHDOG_RESET
NULL, /* Terminate this list */
@@ -384,7 +384,7 @@ ulong get_effective_memsize(void)
#ifdef CONFIG_LOGBUFFER
unsigned long logbuffer_base(void)
{
- return CFG_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
+ return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
}
#endif
@@ -402,7 +402,7 @@ void board_init_f (ulong bootflag)
#endif
/* Pointer is writable since we allocated a register for it */
- gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
+ gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
/* compiler optimization barrier needed for GCC >= 3.4 */
__asm__ __volatile__("": : :"memory");
@@ -430,7 +430,7 @@ void board_init_f (ulong bootflag)
* - monitor code
* - board info struct
*/
- len = (ulong)&_end - CFG_MONITOR_BASE;
+ len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE;
/*
* Subtract specified amount of memory to hide so that it won't
@@ -442,9 +442,9 @@ void board_init_f (ulong bootflag)
* memory size from the SDRAM controller setup will have to
* get fixed.
*/
- gd->ram_size -= CFG_MEM_TOP_HIDE;
+ gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
- addr = CFG_SDRAM_BASE + get_effective_memsize();
+ addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
#ifdef CONFIG_LOGBUFFER
#ifndef CONFIG_ALT_LB_ADDR
@@ -536,15 +536,15 @@ void board_init_f (ulong bootflag)
* Save local variables to board info struct
*/
- bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
+ bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
#ifdef CONFIG_IP860
bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
#elif defined CONFIG_MPC8220
- bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
- bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
+ bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */
+ bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */
#else
bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
@@ -552,16 +552,16 @@ void board_init_f (ulong bootflag)
#if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
- bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
+ bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
#endif
#if defined(CONFIG_MPC5xxx)
- bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
+ bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
#endif
#if defined(CONFIG_MPC83XX)
- bd->bi_immrbar = CFG_IMMR;
+ bd->bi_immrbar = CONFIG_SYS_IMMR;
#endif
#if defined(CONFIG_MPC8220)
- bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
+ bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
bd->bi_inpfreq = gd->inp_clk;
bd->bi_pcifreq = gd->pci_clk;
bd->bi_vcofreq = gd->vco_clk;
@@ -570,7 +570,7 @@ void board_init_f (ulong bootflag)
/* store bootparam to sram (backward compatible), here? */
{
- u32 *sram = (u32 *)CFG_SRAM_BASE;
+ u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE;
*sram++ = gd->ram_size;
*sram++ = gd->bus_clk;
*sram++ = gd->inp_clk;
@@ -601,7 +601,7 @@ void board_init_f (ulong bootflag)
#endif /* CONFIG_MPC5xxx */
bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
-#ifdef CFG_EXTBDINFO
+#ifdef CONFIG_SYS_EXTBDINFO
strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
@@ -635,6 +635,16 @@ void board_init_f (ulong bootflag)
/* NOTREACHED - relocate_code() does not return */
}
+int __is_sata_supported(void)
+{
+ /* For some boards, when sata disabled by the switch, and the
+ * driver still access the sata registers, the cpu will hangup.
+ * please define platform specific is_sata_supported() if your
+ * board have such issue.*/
+ return 1;
+}
+int is_sata_supported(void) __attribute__((weak, alias("__is_sata_supported")));
+
/************************************************************************
*
* This is the next part if the initialization sequence: we are now
@@ -651,11 +661,11 @@ void board_init_r (gd_t *id, ulong dest_addr)
bd_t *bd;
int i;
extern void malloc_bin_reloc (void);
-#ifndef CFG_ENV_IS_NOWHERE
+#ifndef CONFIG_ENV_IS_NOWHERE
extern char * env_name_spec;
#endif
-#ifndef CFG_NO_FLASH
+#ifndef CONFIG_SYS_NO_FLASH
ulong flash_size;
#endif
@@ -668,7 +678,7 @@ void board_init_r (gd_t *id, ulong dest_addr)
gd->reloc_off = 0;
mem_malloc_end = dest_addr;
#else
- gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
+ gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
#endif
#ifdef CONFIG_SERIAL_MULTI
@@ -679,6 +689,11 @@ void board_init_r (gd_t *id, ulong dest_addr)
WATCHDOG_RESET ();
+ /*
+ * Setup trap handlers
+ */
+ trap_init (dest_addr);
+
#if defined(CONFIG_BOARD_EARLY_INIT_R)
board_early_init_r ();
#endif
@@ -705,7 +720,7 @@ void board_init_r (gd_t *id, ulong dest_addr)
addr = (ulong)(cmdtp->usage) + gd->reloc_off;
cmdtp->usage = (char *)addr;
}
-#ifdef CFG_LONGHELP
+#ifdef CONFIG_SYS_LONGHELP
if (cmdtp->help) {
addr = (ulong)(cmdtp->help) + gd->reloc_off;
cmdtp->help = (char *)addr;
@@ -713,7 +728,7 @@ void board_init_r (gd_t *id, ulong dest_addr)
#endif
}
/* there are some other pointer constants we must deal with */
-#ifndef CFG_ENV_IS_NOWHERE
+#ifndef CONFIG_ENV_IS_NOWHERE
env_name_spec += gd->reloc_off;
#endif
@@ -734,7 +749,7 @@ void board_init_r (gd_t *id, ulong dest_addr)
icache_enable (); /* it's time to enable the instruction cache */
#endif
-#if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
+#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
#endif
@@ -755,16 +770,11 @@ void board_init_r (gd_t *id, ulong dest_addr)
asm ("sync ; isync");
- /*
- * Setup trap handlers
- */
- trap_init (dest_addr);
-
-#if !defined(CFG_NO_FLASH)
+#if !defined(CONFIG_SYS_NO_FLASH)
puts ("FLASH: ");
if ((flash_size = flash_init ()) > 0) {
-# ifdef CFG_FLASH_CHECKSUM
+# ifdef CONFIG_SYS_FLASH_CHECKSUM
print_size (flash_size, "");
/*
* Compute and print flash CRC if flashchecksum is set to 'y'
@@ -774,22 +784,22 @@ void board_init_r (gd_t *id, ulong dest_addr)
s = getenv ("flashchecksum");
if (s && (*s == 'y')) {
printf (" CRC: %08X",
- crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
+ crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
);
}
putc ('\n');
-# else /* !CFG_FLASH_CHECKSUM */
+# else /* !CONFIG_SYS_FLASH_CHECKSUM */
print_size (flash_size, "\n");
-# endif /* CFG_FLASH_CHECKSUM */
+# endif /* CONFIG_SYS_FLASH_CHECKSUM */
} else {
puts (failed);
hang ();
}
- bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
+ bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
-#if defined(CFG_UPDATE_FLASH_SIZE)
+#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
/* Make a update of the Memctrl. */
update_flash_size (flash_size);
#endif
@@ -798,17 +808,17 @@ void board_init_r (gd_t *id, ulong dest_addr)
# if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
/* flash mapped at end of memory map */
bd->bi_flashoffset = TEXT_BASE + flash_size;
-# elif CFG_MONITOR_BASE == CFG_FLASH_BASE
+# elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
# else
bd->bi_flashoffset = 0;
# endif
-#else /* CFG_NO_FLASH */
+#else /* CONFIG_SYS_NO_FLASH */
bd->bi_flashsize = 0;
bd->bi_flashstart = 0;
bd->bi_flashoffset = 0;
-#endif /* !CFG_NO_FLASH */
+#endif /* !CONFIG_SYS_NO_FLASH */
WATCHDOG_RESET ();
@@ -822,7 +832,7 @@ void board_init_r (gd_t *id, ulong dest_addr)
malloc_bin_reloc ();
#ifdef CONFIG_SPI
-# if !defined(CFG_ENV_IS_IN_EEPROM)
+# if !defined(CONFIG_ENV_IS_IN_EEPROM)
spi_init_f ();
# endif
spi_init_r ();
@@ -845,7 +855,7 @@ void board_init_r (gd_t *id, ulong dest_addr)
* the environment is in EEPROM.
*/
-#if defined(CFG_EXTBDINFO)
+#if defined(CONFIG_SYS_EXTBDINFO)
#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
#if defined(CONFIG_I2CFAST)
/*
@@ -867,13 +877,13 @@ void board_init_r (gd_t *id, ulong dest_addr)
bd->bi_iic_fast[1] = 0;
#endif /* CONFIG_I2CFAST */
#endif /* CONFIG_405GP, CONFIG_405EP */
-#endif /* CFG_EXTBDINFO */
+#endif /* CONFIG_SYS_EXTBDINFO */
#if defined(CONFIG_SC3)
sc3_read_eeprom();
#endif
-#if defined (CFG_ID_EEPROM) || defined (CFG_I2C_MAC_OFFSET)
+#if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET)
mac_read_from_eeprom();
#endif
@@ -944,6 +954,36 @@ void board_init_r (gd_t *id, ulong dest_addr)
}
#endif
+#ifdef CONFIG_HAS_ETH4
+ /* handle 5th ethernet address */
+ s = getenv("eth4addr");
+#if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
+ if (s == NULL)
+ board_get_enetaddr(bd->bi_enet4addr);
+ else
+#endif
+ for (i = 0; i < 6; ++i) {
+ bd->bi_enet4addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
+ if (s)
+ s = (*e) ? e + 1 : e;
+ }
+#endif
+
+#ifdef CONFIG_HAS_ETH5
+ /* handle 6th ethernet address */
+ s = getenv("eth5addr");
+#if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
+ if (s == NULL)
+ board_get_enetaddr(bd->bi_enet5addr);
+ else
+#endif
+ for (i = 0; i < 6; ++i) {
+ bd->bi_enet5addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
+ if (s)
+ s = (*e) ? e + 1 : e;
+ }
+#endif
+
#if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
defined(CONFIG_TQM8272) || \
defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
@@ -1105,8 +1145,10 @@ void board_init_r (gd_t *id, ulong dest_addr)
#endif
#if defined(CONFIG_CMD_SATA)
- puts ("SATA: ");
- sata_initialize ();
+ if (is_sata_supported()) {
+ puts("SATA: ");
+ sata_initialize();
+ }
#endif
#ifdef CONFIG_LAST_STAGE_INIT
@@ -1245,7 +1287,7 @@ int mdm_init (void)
serial_puts(init_str);
serial_puts("\n");
for(;;) {
- mdm_readline(console_buffer, CFG_CBSIZE);
+ mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
dbg("ini%d: [%s]", i, console_buffer);
if ((strcmp(console_buffer, "OK") == 0) ||
@@ -1269,7 +1311,7 @@ int mdm_init (void)
/* final stage - wait for connect */
for(;i > 1;) { /* if 'i' > 1 - wait for connection
message from modem */
- mdm_readline(console_buffer, CFG_CBSIZE);
+ mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
dbg("ini_f: [%s]", console_buffer);
if (strncmp(console_buffer, "CONNECT", 7) == 0) {
dbg("ini_f: connected");
@@ -1290,7 +1332,7 @@ int mdm_init (void)
*/
#undef XTRN_DECLARE_GLOBAL_DATA_PTR
#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
-DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
+DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
#endif /* 0 */
/************************************************************************/
diff --git a/lib_ppc/bootm.c b/lib_ppc/bootm.c
index 348421fd3..e03d76390 100644
--- a/lib_ppc/bootm.c
+++ b/lib_ppc/bootm.c
@@ -41,58 +41,107 @@
#endif
-#ifdef CFG_INIT_RAM_LOCK
+#ifdef CONFIG_SYS_INIT_RAM_LOCK
#include <asm/cache.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
extern ulong get_effective_memsize(void);
static ulong get_sp (void);
static void set_clocks_in_mhz (bd_t *kbd);
-#ifndef CFG_LINUX_LOWMEM_MAX_SIZE
-#define CFG_LINUX_LOWMEM_MAX_SIZE (768*1024*1024)
+#ifndef CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE
+#define CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE (768*1024*1024)
#endif
-__attribute__((noinline))
-int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+static void boot_jump_linux(bootm_headers_t *images)
{
- ulong sp;
-
- ulong initrd_start, initrd_end;
- ulong rd_len;
- ulong size;
- phys_size_t bootm_size;
-
- ulong cmd_start, cmd_end, bootmap_base;
- bd_t *kbd;
void (*kernel)(bd_t *, ulong r4, ulong r5, ulong r6,
ulong r7, ulong r8, ulong r9);
- int ret;
- ulong of_size = images->ft_len;
- struct lmb *lmb = &images->lmb;
-
-#if defined(CONFIG_OF_LIBFDT)
- char *of_flat_tree = images->ft_addr;
+#ifdef CONFIG_OF_LIBFDT
+ char *of_flat_tree = images->ft_addr;
#endif
kernel = (void (*)(bd_t *, ulong, ulong, ulong,
ulong, ulong, ulong))images->ep;
+ debug ("## Transferring control to Linux (at address %08lx) ...\n",
+ (ulong)kernel);
+
+ show_boot_progress (15);
+
+#if defined(CONFIG_SYS_INIT_RAM_LOCK) && !defined(CONFIG_E500)
+ unlock_ram_in_cache();
+#endif
+
+#if defined(CONFIG_OF_LIBFDT)
+ if (of_flat_tree) { /* device tree; boot new style */
+ /*
+ * Linux Kernel Parameters (passing device tree):
+ * r3: pointer to the fdt
+ * r4: 0
+ * r5: 0
+ * r6: epapr magic
+ * r7: size of IMA in bytes
+ * r8: 0
+ * r9: 0
+ */
+#if defined(CONFIG_85xx) || defined(CONFIG_440)
+ #define EPAPR_MAGIC (0x45504150)
+#else
+ #define EPAPR_MAGIC (0x65504150)
+#endif
+
+ debug (" Booting using OF flat tree...\n");
+ (*kernel) ((bd_t *)of_flat_tree, 0, 0, EPAPR_MAGIC,
+ CONFIG_SYS_BOOTMAPSZ, 0, 0);
+ /* does not return */
+ } else
+#endif
+ {
+ /*
+ * Linux Kernel Parameters (passing board info data):
+ * r3: ptr to board info data
+ * r4: initrd_start or 0 if no initrd
+ * r5: initrd_end - unused if r4 is 0
+ * r6: Start of command line string
+ * r7: End of command line string
+ * r8: 0
+ * r9: 0
+ */
+ ulong cmd_start = images->cmdline_start;
+ ulong cmd_end = images->cmdline_end;
+ ulong initrd_start = images->initrd_start;
+ ulong initrd_end = images->initrd_end;
+ bd_t *kbd = images->kbd;
+
+ debug (" Booting using board info...\n");
+ (*kernel) (kbd, initrd_start, initrd_end,
+ cmd_start, cmd_end, 0, 0);
+ /* does not return */
+ }
+ return ;
+}
+
+void arch_lmb_reserve(struct lmb *lmb)
+{
+ phys_size_t bootm_size;
+ ulong size, sp, bootmap_base;
bootmap_base = getenv_bootm_low();
bootm_size = getenv_bootm_size();
#ifdef DEBUG
if (((u64)bootmap_base + bootm_size) >
- (CFG_SDRAM_BASE + (u64)gd->ram_size))
+ (CONFIG_SYS_SDRAM_BASE + (u64)gd->ram_size))
puts("WARNING: bootm_low + bootm_size exceed total memory\n");
if ((bootmap_base + bootm_size) > get_effective_memsize())
puts("WARNING: bootm_low + bootm_size exceed eff. memory\n");
#endif
size = min(bootm_size, get_effective_memsize());
- size = min(size, CFG_LINUX_LOWMEM_MAX_SIZE);
+ size = min(size, CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE);
if (size < bootm_size) {
ulong base = bootmap_base + size;
@@ -105,7 +154,7 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
*
* Allocate space for command line and board info - the
* address should be as high as possible within the reach of
- * the kernel (see CFG_BOOTMAPSZ settings), but in unused
+ * the kernel (see CONFIG_SYS_BOOTMAPSZ settings), but in unused
* memory, which means far enough below the current stack
* pointer.
*/
@@ -114,128 +163,169 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
/* adjust sp by 1K to be safe */
sp -= 1024;
- lmb_reserve(lmb, sp, (CFG_SDRAM_BASE + get_effective_memsize() - sp));
+ lmb_reserve(lmb, sp, (CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - sp));
+
+ return ;
+}
+
+static void boot_prep_linux(void)
+{
+#if (CONFIG_NUM_CPUS > 1)
+ /* if we are MP make sure to flush the dcache() to any changes are made
+ * visibile to all other cores */
+ flush_dcache();
+#endif
+ return ;
+}
+
+static int boot_cmdline_linux(bootm_headers_t *images)
+{
+ ulong bootmap_base = getenv_bootm_low();
+ ulong of_size = images->ft_len;
+ struct lmb *lmb = &images->lmb;
+ ulong *cmd_start = &images->cmdline_start;
+ ulong *cmd_end = &images->cmdline_end;
+
+ int ret = 0;
if (!of_size) {
/* allocate space and init command line */
- ret = boot_get_cmdline (lmb, &cmd_start, &cmd_end, bootmap_base);
+ ret = boot_get_cmdline (lmb, cmd_start, cmd_end, bootmap_base);
if (ret) {
puts("ERROR with allocation of cmdline\n");
- goto error;
+ return ret;
}
+ }
+
+ return ret;
+}
+
+static int boot_bd_t_linux(bootm_headers_t *images)
+{
+ ulong bootmap_base = getenv_bootm_low();
+ ulong of_size = images->ft_len;
+ struct lmb *lmb = &images->lmb;
+ bd_t **kbd = &images->kbd;
+
+ int ret = 0;
+ if (!of_size) {
/* allocate space for kernel copy of board info */
- ret = boot_get_kbd (lmb, &kbd, bootmap_base);
+ ret = boot_get_kbd (lmb, kbd, bootmap_base);
if (ret) {
puts("ERROR with allocation of kernel bd\n");
- goto error;
+ return ret;
}
- set_clocks_in_mhz(kbd);
+ set_clocks_in_mhz(*kbd);
}
+ return ret;
+}
+
+static int boot_body_linux(bootm_headers_t *images)
+{
+ ulong rd_len;
+ struct lmb *lmb = &images->lmb;
+ ulong *initrd_start = &images->initrd_start;
+ ulong *initrd_end = &images->initrd_end;
+#if defined(CONFIG_OF_LIBFDT)
+ ulong bootmap_base = getenv_bootm_low();
+ ulong of_size = images->ft_len;
+ char **of_flat_tree = &images->ft_addr;
+#endif
+
+ int ret;
+
+ /* allocate space and init command line */
+ ret = boot_cmdline_linux(images);
+ if (ret)
+ return ret;
+
+ /* allocate space for kernel copy of board info */
+ ret = boot_bd_t_linux(images);
+ if (ret)
+ return ret;
+
rd_len = images->rd_end - images->rd_start;
+ ret = boot_ramdisk_high (lmb, images->rd_start, rd_len, initrd_start, initrd_end);
+ if (ret)
+ return ret;
#if defined(CONFIG_OF_LIBFDT)
- ret = boot_relocate_fdt(lmb, bootmap_base, &of_flat_tree, &of_size);
+ ret = boot_relocate_fdt(lmb, bootmap_base, of_flat_tree, &of_size);
if (ret)
- goto error;
+ return ret;
/*
* Add the chosen node if it doesn't exist, add the env and bd_t
* if the user wants it (the logic is in the subroutines).
*/
if (of_size) {
- /* pass in dummy initrd info, we'll fix up later */
- if (fdt_chosen(of_flat_tree, images->rd_start, images->rd_end, 0) < 0) {
+ if (fdt_chosen(*of_flat_tree, 1) < 0) {
puts ("ERROR: ");
puts ("/chosen node create failed");
puts (" - must RESET the board to recover.\n");
- goto error;
+ return -1;
}
#ifdef CONFIG_OF_BOARD_SETUP
/* Call the board-specific fixup routine */
- ft_board_setup(of_flat_tree, gd->bd);
+ ft_board_setup(*of_flat_tree, gd->bd);
#endif
- }
- /* Fixup the fdt memreserve now that we know how big it is */
- if (of_flat_tree) {
/* Delete the old LMB reservation */
- lmb_free(lmb, (phys_addr_t)(u32)of_flat_tree,
- (phys_size_t)fdt_totalsize(of_flat_tree));
+ lmb_free(lmb, (phys_addr_t)(u32)*of_flat_tree,
+ (phys_size_t)fdt_totalsize(*of_flat_tree));
- ret = fdt_resize(of_flat_tree);
+ ret = fdt_resize(*of_flat_tree);
if (ret < 0)
- goto error;
+ return ret;
of_size = ret;
+ if (*initrd_start && *initrd_end)
+ of_size += FDT_RAMDISK_OVERHEAD;
/* Create a new LMB reservation */
- lmb_reserve(lmb, (ulong)of_flat_tree, of_size);
+ lmb_reserve(lmb, (ulong)*of_flat_tree, of_size);
+
+ /* fixup the initrd now that we know where it should be */
+ if (*initrd_start && *initrd_end)
+ fdt_initrd(*of_flat_tree, *initrd_start, *initrd_end, 1);
}
#endif /* CONFIG_OF_LIBFDT */
+ return 0;
+}
- ret = boot_ramdisk_high (lmb, images->rd_start, rd_len, &initrd_start, &initrd_end);
- if (ret)
- goto error;
-
-#if defined(CONFIG_OF_LIBFDT)
- /* fixup the initrd now that we know where it should be */
- if ((of_flat_tree) && (initrd_start && initrd_end))
- fdt_initrd(of_flat_tree, initrd_start, initrd_end, 1);
-#endif
- debug ("## Transferring control to Linux (at address %08lx) ...\n",
- (ulong)kernel);
+__attribute__((noinline))
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+{
+ int ret;
- show_boot_progress (15);
+ if (flag & BOOTM_STATE_OS_CMDLINE) {
+ boot_cmdline_linux(images);
+ return 0;
+ }
-#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
- unlock_ram_in_cache();
-#endif
+ if (flag & BOOTM_STATE_OS_BD_T) {
+ boot_bd_t_linux(images);
+ return 0;
+ }
-#if defined(CONFIG_OF_LIBFDT)
- if (of_flat_tree) { /* device tree; boot new style */
- /*
- * Linux Kernel Parameters (passing device tree):
- * r3: pointer to the fdt
- * r4: 0
- * r5: 0
- * r6: epapr magic
- * r7: size of IMA in bytes
- * r8: 0
- * r9: 0
- */
-#if defined(CONFIG_85xx) || defined(CONFIG_440)
- #define EPAPR_MAGIC (0x45504150)
-#else
- #define EPAPR_MAGIC (0x65504150)
-#endif
+ if (flag & BOOTM_STATE_OS_PREP) {
+ boot_prep_linux();
+ return 0;
+ }
- debug (" Booting using OF flat tree...\n");
- (*kernel) ((bd_t *)of_flat_tree, 0, 0, EPAPR_MAGIC,
- CFG_BOOTMAPSZ, 0, 0);
- /* does not return */
- } else
-#endif
- {
- /*
- * Linux Kernel Parameters (passing board info data):
- * r3: ptr to board info data
- * r4: initrd_start or 0 if no initrd
- * r5: initrd_end - unused if r4 is 0
- * r6: Start of command line string
- * r7: End of command line string
- * r8: 0
- * r9: 0
- */
- debug (" Booting using board info...\n");
- (*kernel) (kbd, initrd_start, initrd_end,
- cmd_start, cmd_end, 0, 0);
- /* does not return */
+ if (flag & BOOTM_STATE_OS_GO) {
+ boot_jump_linux(images);
+ return 0;
}
- return 1;
-error:
- return 1;
+ boot_prep_linux();
+ ret = boot_body_linux(images);
+ if (ret)
+ return ret;
+ boot_jump_linux(images);
+
+ return 0;
}
static ulong get_sp (void)
diff --git a/lib_ppc/cache.c b/lib_ppc/cache.c
index 5bfb22070..1292b71e6 100644
--- a/lib_ppc/cache.c
+++ b/lib_ppc/cache.c
@@ -25,29 +25,27 @@
#include <asm/cache.h>
#include <watchdog.h>
-void flush_cache (ulong start_addr, ulong size)
+void flush_cache(ulong start_addr, ulong size)
{
#ifndef CONFIG_5xx
- ulong addr, end_addr = start_addr + size;
+ ulong addr, start, end;
- if (CFG_CACHELINE_SIZE) {
- addr = start_addr & (CFG_CACHELINE_SIZE - 1);
- for (addr = start_addr;
- addr < end_addr;
- addr += CFG_CACHELINE_SIZE) {
- asm ("dcbst 0,%0": :"r" (addr));
- WATCHDOG_RESET();
- }
- asm ("sync"); /* Wait for all dcbst to complete on bus */
+ start = start_addr & ~(CONFIG_SYS_CACHELINE_SIZE - 1);
+ end = start_addr + size - 1;
- for (addr = start_addr;
- addr < end_addr;
- addr += CFG_CACHELINE_SIZE) {
- asm ("icbi 0,%0": :"r" (addr));
- WATCHDOG_RESET();
- }
+ for (addr = start; addr <= end; addr += CONFIG_SYS_CACHELINE_SIZE) {
+ asm volatile("dcbst 0,%0" : : "r" (addr) : "memory");
+ WATCHDOG_RESET();
}
- asm ("sync"); /* Always flush prefetch queue in any case */
- asm ("isync");
+ /* wait for all dcbst to complete on bus */
+ asm volatile("sync" : : : "memory");
+
+ for (addr = start; addr <= end; addr += CONFIG_SYS_CACHELINE_SIZE) {
+ asm volatile("icbi 0,%0" : : "r" (addr) : "memory");
+ WATCHDOG_RESET();
+ }
+ asm volatile("sync" : : : "memory");
+ /* flush prefetch queue */
+ asm volatile("isync" : : : "memory");
#endif
}
diff --git a/lib_ppc/extable.c b/lib_ppc/extable.c
index 2d995fa30..91e2b3d24 100644
--- a/lib_ppc/extable.c
+++ b/lib_ppc/extable.c
@@ -53,7 +53,7 @@ search_one_table(const struct exception_table_entry *first,
unsigned long value)
{
long diff;
- if ((ulong) first > CFG_MONITOR_BASE) {
+ if ((ulong) first > CONFIG_SYS_MONITOR_BASE) {
/* exception occurs in FLASH, before u-boot relocation.
* No relocation offset is needed.
*/
@@ -87,7 +87,7 @@ search_exception_table(unsigned long addr)
/* There is only the kernel to search. */
ret = search_one_table(__start___ex_table, __stop___ex_table-1, addr);
/* if the serial port does not hang in exception, printf can be used */
-#if !defined(CFG_SERIAL_HANG_IN_EXCEPTION)
+#if !defined(CONFIG_SYS_SERIAL_HANG_IN_EXCEPTION)
if (ex_tab_message)
debug("Bus Fault @ 0x%08lx, fixup 0x%08lx\n", addr, ret);
#endif
diff --git a/lib_ppc/interrupts.c b/lib_ppc/interrupts.c
index b803952ba..f6031707a 100644
--- a/lib_ppc/interrupts.c
+++ b/lib_ppc/interrupts.c
@@ -32,11 +32,16 @@
#endif
#ifdef CONFIG_SHOW_ACTIVITY
- extern void board_show_activity (ulong);
+void board_show_activity (ulong) __attribute__((weak, alias("__board_show_activity")));
+
+void __board_show_activity (ulong dummy)
+{
+ return;
+}
#endif /* CONFIG_SHOW_ACTIVITY */
-#ifndef CFG_WATCHDOG_FREQ
-#define CFG_WATCHDOG_FREQ (CFG_HZ / 2)
+#ifndef CONFIG_SYS_WATCHDOG_FREQ
+#define CONFIG_SYS_WATCHDOG_FREQ (CONFIG_SYS_HZ / 2)
#endif
extern int interrupt_init_cpu (unsigned *);
@@ -119,7 +124,7 @@ void timer_interrupt (struct pt_regs *regs)
timestamp++;
#if defined(CONFIG_WATCHDOG) || defined (CONFIG_HW_WATCHDOG)
- if ((timestamp % (CFG_WATCHDOG_FREQ)) == 0)
+ if ((timestamp % (CONFIG_SYS_WATCHDOG_FREQ)) == 0)
WATCHDOG_RESET ();
#endif /* CONFIG_WATCHDOG || CONFIG_HW_WATCHDOG */
diff --git a/lib_ppc/time.c b/lib_ppc/time.c
index f093a5785..173ffab3e 100644
--- a/lib_ppc/time.c
+++ b/lib_ppc/time.c
@@ -89,7 +89,7 @@ unsigned long ticks2usec(unsigned long ticks)
int init_timebase (void)
{
#if defined(CONFIG_5xx) || defined(CONFIG_8xx)
- volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
/* unlock */
immap->im_sitk.sitk_tbk = KAPWR_KEY;
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 14:57:28 +0000