[U-Boot] [PATCH v7 3/5] generic board patch of manual reloc and zero gd_t

[fenghua]

From: David Feng <feng...@phytium.com.cn>

Signed-off-by: David Feng <feng...@phytium.com.cn>
---
 common/board_f.c |   19 +++++++++++--------
 common/board_r.c |   18 ++++++++++++++++++
 2 files changed, 29 insertions(+), 8 deletions(-)

diff --git a/common/board_f.c b/common/board_f.c
index 0ada1af..f6ca610 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -458,7 +458,7 @@ static int reserve_round_4k(void)
 static int reserve_mmu(void)
 {
        /* reserve TLB table */
-       gd->arch.tlb_size = 4096 * 4;
+       gd->arch.tlb_size = PGTABLE_SIZE;
        gd->relocaddr -= gd->arch.tlb_size;
 
        /* round down to next 64 kB limit */
@@ -610,7 +610,7 @@ static int reserve_stacks(void)
         * TODO(s...@chromium.org): Perhaps create arch_reserve_stack()
         * to handle this and put in arch/xxx/lib/stack.c
         */
-# ifdef CONFIG_ARM
+# if defined(CONFIG_ARM) && !defined(CONFIG_ARMV8)
 #  ifdef CONFIG_USE_IRQ
        gd->start_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ);
        debug("Reserving %zu Bytes for IRQ stack at: %08lx\n",
@@ -807,11 +807,6 @@ static int mark_bootstage(void)
 }
 
 static init_fnc_t init_sequence_f[] = {
-#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \
-               !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \
-               !defined(CONFIG_MPC86xx) && !defined(CONFIG_X86)
-       zero_global_data,
-#endif
 #ifdef CONFIG_SANDBOX
        setup_ram_buf,
 #endif
@@ -1001,10 +996,18 @@ void board_init_f(ulong boot_flags)
 {
 #ifndef CONFIG_X86
        gd_t data;
-
        gd = &data;
 #endif
 
+       /*
+        * Zero gd_t first, otherwise the debug print(if DEBUG defined)
+        * in initcall_run_list function before zero_global_data is called
+        * will go wrong.
+        */
+#ifndef CONFIG_X86
+       zero_global_data();
+#endif
+
        gd->flags = boot_flags;
 
        if (initcall_run_list(init_sequence_f))
diff --git a/common/board_r.c b/common/board_r.c
index 86ca1cb..7217e3c 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -157,6 +157,13 @@ static int initr_reloc_global_data(void)
         */
        gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
 #endif
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+       /*
+        * We have to relocate the command table manually
+        */
+       fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd),
+                       ll_entry_count(cmd_tbl_t, cmd));
+#endif /* CONFIG_NEEDS_MANUAL_RELOC */
        return 0;
 }
 
@@ -899,6 +906,7 @@ init_fnc_t init_sequence_r[] = {
        initr_modem,
 #endif
        run_main_loop,
+       NULL,
 };
 
 void board_init_r(gd_t *new_gd, ulong dest_addr)
@@ -906,6 +914,16 @@ void board_init_r(gd_t *new_gd, ulong dest_addr)
 #ifndef CONFIG_X86
        gd = new_gd;
 #endif
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+       /*
+        * We have to relocate the init_sequence_r table manually
+        */
+       init_fnc_t      *init_fnc_ptr;
+       for (init_fnc_ptr = init_sequence_r; *init_fnc_ptr; ++init_fnc_ptr)
+               *init_fnc_ptr = (init_fnc_t *)
+                       ((unsigned long)(*init_fnc_ptr) + gd->reloc_off);
+#endif /* CONFIG_NEEDS_MANUAL_RELOC */
+
        if (initcall_run_list(init_sequence_r))
                hang();
 
-- 
1.7.9.5


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