summaryrefslogtreecommitdiff
path: root/include/configs/P2020DS.h
diff options
context:
space:
mode:
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 /include/configs/P2020DS.h
parent97039ab98c551c7860bc0977d684ef686159e0d7 (diff)
downloadu-boot-imx-1ac63e4094eee321266d5e5129077a3247d9439a.zip
u-boot-imx-1ac63e4094eee321266d5e5129077a3247d9439a.tar.gz
u-boot-imx-1ac63e4094eee321266d5e5129077a3247d9439a.tar.bz2
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 'include/configs/P2020DS.h')
-rw-r--r--include/configs/P2020DS.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/configs/P2020DS.h b/include/configs/P2020DS.h
index 1815191..30da7b1 100644
--- a/include/configs/P2020DS.h
+++ b/include/configs/P2020DS.h
@@ -33,6 +33,13 @@
#define CONFIG_PHYS_64BIT
#endif
+#ifdef CONFIG_SDCARD
+#define CONFIG_SYS_RAMBOOT
+#define CONFIG_SYS_EXTRA_ENV_RELOC
+#define CONFIG_SYS_TEXT_BASE 0xf8f80000
+#define CONFIG_RESET_VECTOR_ADDRESS 0xf8fffffc
+#endif
+
/* High Level Configuration Options */
#define CONFIG_BOOKE 1 /* BOOKE */
#define CONFIG_E500 1 /* BOOKE e500 family */
@@ -93,6 +100,18 @@
#define CONFIG_PANIC_HANG /* do not reset board on panic */
/*
+ * Config the L2 Cache
+ */
+#define CONFIG_SYS_INIT_L2_ADDR 0xf8f80000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_INIT_L2_ADDR_PHYS 0xff8f80000ull
+#else
+#define CONFIG_SYS_INIT_L2_ADDR_PHYS CONFIG_SYS_INIT_L2_ADDR
+#endif
+#define CONFIG_SYS_L2_SIZE (512 << 10)
+#define CONFIG_SYS_INIT_L2_END (CONFIG_SYS_INIT_L2_ADDR + CONFIG_SYS_L2_SIZE)
+
+/*
* Base addresses -- Note these are effective addresses where the
* actual resources get mapped (not physical addresses)
*/
@@ -571,6 +590,11 @@
/*
* Environment
*/
+#if defined(CONFIG_SDCARD)
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_SIZE 0x2000
+#define CONFIG_SYS_MMC_ENV_DEV 0
+#else
#define CONFIG_ENV_IS_IN_FLASH 1
#if CONFIG_SYS_MONITOR_BASE > 0xfff80000
#define CONFIG_ENV_ADDR 0xfff80000
@@ -579,6 +603,7 @@
#endif
#define CONFIG_ENV_SIZE 0x2000
#define CONFIG_ENV_SECT_SIZE 0x20000 /* 128K (one sector) */
+#endif
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */