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>
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 @@
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 @@
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 @@
dram_size = spd_sdram();
return dram_size;
+#else
+ return CFG_MBYTES_SDRAM << 20;
+#endif
}
#if defined(CFG_DRAM_TEST)
@@ -881,11 +887,11 @@
/*------------------------------------------------------------------------- */
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 @@
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 @@
{
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();
}