Some changes of TLB entry setting for MPC8572DS

- Move the TLB entry of PIXIS_BASE from TLB0 to TLB1[8], because in CAMP mode,
all the TLB0 entries will be invalidated after cpu1 brings up kernel, thus cpu0
can not access PIXIS_BASE anymore (any access will cause DataTLBError exception)

- Set CONFIG_SYS_DDR_TLB_START to 9 for MPC8572DS board.

Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>

diff --git a/board/freescale/mpc8572ds/tlb.c b/board/freescale/mpc8572ds/tlb.c
index 8d1f646..829896a 100644 (file)
--- a/board/freescale/mpc8572ds/tlb.c
+++ b/board/freescale/mpc8572ds/tlb.c
@@ -41,10 +41,6 @@ struct fsl_e_tlb_entry tlb_table[] = {
                      MAS3_SX|MAS3_SW|MAS3_SR, 0,
                      0, 0, BOOKE_PAGESZ_4K, 0),
 
-       SET_TLB_ENTRY(0, PIXIS_BASE, PIXIS_BASE,
-                     MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
-                     0, 0, BOOKE_PAGESZ_4K, 0),
-
        /* TLB 1 */
        /* *I*** - Covers boot page */
        SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
@@ -86,6 +82,9 @@ struct fsl_e_tlb_entry tlb_table[] = {
                      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
                      0, 7, BOOKE_PAGESZ_1M, 1),
 
+       SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE,
+                     MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+                     0, 8, BOOKE_PAGESZ_4K, 1),
 };
 
 int num_tlb_entries = ARRAY_SIZE(tlb_table);

diff --git a/include/configs/MPC8572DS.h b/include/configs/MPC8572DS.h
index 37c3f42..6c7a364 100644 (file)
--- a/include/configs/MPC8572DS.h
+++ b/include/configs/MPC8572DS.h
@@ -92,6 +92,7 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #define CONFIG_SYS_PCIE1_ADDR          (CONFIG_SYS_CCSRBAR+0xa000)
 
 /* DDR Setup */
+#define CONFIG_SYS_DDR_TLB_START 9
 #define CONFIG_FSL_DDR2
 #undef CONFIG_FSL_DDR_INTERACTIVE
 #define CONFIG_SPD_EEPROM              /* Use SPD EEPROM for DDR setup */