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authorJerry Huang <Chang-Ming.Huang@freescale.com>2011-01-24 17:09:54 +0000
committerKumar Gala <galak@kernel.crashing.org>2011-04-04 22:26:32 -0500
commit1ac63e4094eee321266d5e5129077a3247d9439a (patch)
tree735601d619302486b23575199e26ea2768af31cd /board/freescale/p2020ds
parent97039ab98c551c7860bc0977d684ef686159e0d7 (diff)
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powerpc/85xx: Enable eSDHC boot support on P2020 DS
We implement our own mmc_get_env_addr since the environment variables are written to just after the u-boot image on SDCard, so we must read the MBR to get the start address and code length of the u-boot image, then calculate the address of the env. Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com> Signed-off-by: Zhao Chenhui <b35336@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'board/freescale/p2020ds')
-rw-r--r--board/freescale/p2020ds/tlb.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/board/freescale/p2020ds/tlb.c b/board/freescale/p2020ds/tlb.c
index 824b3b2..fd914a1 100644
--- a/board/freescale/p2020ds/tlb.c
+++ b/board/freescale/p2020ds/tlb.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2008-2009 Freescale Semiconductor, Inc.
+ * Copyright 2008-2011 Freescale Semiconductor, Inc.
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@@ -90,6 +90,17 @@ struct fsl_e_tlb_entry tlb_table[] = {
SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 8, BOOKE_PAGESZ_4K, 1),
+
+#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
+ /* *I*G - L2SRAM */
+ SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 9, BOOKE_PAGESZ_256K, 1),
+ SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
+ CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 10, BOOKE_PAGESZ_256K, 1),
+#endif
};
int num_tlb_entries = ARRAY_SIZE(tlb_table);