summaryrefslogtreecommitdiff
path: root/board/amcc/bamboo/bamboo.c
diff options
context:
space:
mode:
authorStefan Roese <sr@denx.de>2007-06-01 15:19:29 +0200
committerStefan Roese <sr@denx.de>2007-06-01 15:19:29 +0200
commita471db07fbb65a841ffc9f4f112562b945230f98 (patch)
treeab714fc40c0b16d7ca387ddd95b9c357508f74a9 /board/amcc/bamboo/bamboo.c
parent53ad02103fb8be4138a9937a8ab91fcdff7b4987 (diff)
downloadu-boot-imx-a471db07fbb65a841ffc9f4f112562b945230f98.zip
u-boot-imx-a471db07fbb65a841ffc9f4f112562b945230f98.tar.gz
u-boot-imx-a471db07fbb65a841ffc9f4f112562b945230f98.tar.bz2
ppc4xx: Prepare Bamboo port for NAND booting support
This patch updates the "normal" Bamboo NOR booting port, so that it is compatible with the coming soon NAND booting Bamboo port. It also enables the 2nd NAND flash on the Bamboo. Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'board/amcc/bamboo/bamboo.c')
-rw-r--r--board/amcc/bamboo/bamboo.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c
index 6260b01..2e651df 100644
--- a/board/amcc/bamboo/bamboo.c
+++ b/board/amcc/bamboo/bamboo.c
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2005
+ * (C) Copyright 2005-2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
@@ -291,6 +291,7 @@ int checkboard(void)
return (0);
}
+#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
/*************************************************************************
*
* init_spd_array -- Bamboo has one bank onboard sdram (plus DIMM)
@@ -345,10 +346,12 @@ static void init_spd_array(void)
cfg_simulate_spd_eeprom[25] = 0x00; /* SDRAM Cycle Time (cas latency 1.5) = N.A */
cfg_simulate_spd_eeprom[12] = 0x82; /* refresh Rate Type: Normal (15.625us) + Self refresh */
}
+#endif
long int initdram (int board_type)
{
- long dram_size = 0;
+#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
+ long dram_size;
/*
* First write simulated values in eeprom array for onboard bank 0
@@ -358,6 +361,9 @@ long int initdram (int board_type)
dram_size = spd_sdram();
return dram_size;
+#else
+ return CFG_MBYTES_SDRAM << 20;
+#endif
}
#if defined(CFG_DRAM_TEST)
@@ -881,11 +887,11 @@ void ext_bus_cntlr_init(void)
/*------------------------------------------------------------------------- */
case BOOT_FROM_NAND_FLASH0:
/*------------------------------------------------------------------------- */
- ebc0_cs0_bnap_value = 0;
- ebc0_cs0_bncr_value = 0;
+ ebc0_cs0_bnap_value = EBC0_BNAP_NAND_FLASH;
+ ebc0_cs0_bncr_value = EBC0_BNCR_NAND_FLASH_CS1;
- ebc0_cs1_bnap_value = EBC0_BNAP_NAND_FLASH;
- ebc0_cs1_bncr_value = EBC0_BNCR_NAND_FLASH_CS1;
+ ebc0_cs1_bnap_value = 0;
+ ebc0_cs1_bncr_value = 0;
ebc0_cs2_bnap_value = 0;
ebc0_cs2_bncr_value = 0;
ebc0_cs3_bnap_value = 0;
@@ -1409,10 +1415,10 @@ void update_ndfc_ios(void)
gpio_tab[GPIO0][6].in_out = GPIO_OUT; /* EBC_CS_N(1) */
gpio_tab[GPIO0][6].alt_nb = GPIO_ALT1;
-#if 0
gpio_tab[GPIO0][7].in_out = GPIO_OUT; /* EBC_CS_N(2) */
gpio_tab[GPIO0][7].alt_nb = GPIO_ALT1;
+#if 0
gpio_tab[GPIO0][7].in_out = GPIO_OUT; /* EBC_CS_N(3) */
gpio_tab[GPIO0][7].alt_nb = GPIO_ALT1;
#endif
@@ -1900,12 +1906,21 @@ void configure_ppc440ep_pins(void)
{
update_ndfc_ios();
+#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
mtsdr(sdr_cust0, SDR0_CUST0_MUX_NDFC_SEL |
SDR0_CUST0_NDFC_ENABLE |
SDR0_CUST0_NDFC_BW_8_BIT |
SDR0_CUST0_NDFC_ARE_MASK |
SDR0_CUST0_CHIPSELGAT_EN1 |
SDR0_CUST0_CHIPSELGAT_EN2);
+#else
+ mtsdr(sdr_cust0, SDR0_CUST0_MUX_NDFC_SEL |
+ SDR0_CUST0_NDFC_ENABLE |
+ SDR0_CUST0_NDFC_BW_8_BIT |
+ SDR0_CUST0_NDFC_ARE_MASK |
+ SDR0_CUST0_CHIPSELGAT_EN0 |
+ SDR0_CUST0_CHIPSELGAT_EN2);
+#endif
ndfc_selection_in_fpga();
}