On 04/05/17 14:47, Jorge Ramirez-Ortiz wrote:
diff --git a/include/configs/poplar.h b/include/configs/poplar.h
new file mode 100644
index 0000000..fb0ca19
--- /dev/null
+++ b/include/configs/poplar.h
@@ -0,0 +1,113 @@
+/*
+ * (C) Copyright 2017 Linaro
+ *
+ * Jorge Ramirez-Ortiz <jorge.ramirez-or...@linaro.org>
+ *
+ * Configuration for Poplar 96boards CE. Parts were derived from other ARM
+ * configurations.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef _POPLAR_H_
+#define _POPLAR_H_
+
+#include <linux/sizes.h>
+
+/* network config */
+#define CONFIG_NET_MULTI                       1
+#define CONFIG_PHY_GIGE                                1
+#define CONFIG_ARP_TIMEOUT                     500000L
+#define CONFIG_NET_RETRY_COUNT                         50
+#define CONFIG_SYS_FAULT_ECHO_LINK_DOWN        1
+#define CONFIG_SYS_RX_ETH_BUFFER               16
+#define CONFIG_NET_RANDOM_ETHADDR
+
+/* memory */
+#define PHYS_SDRAM_1                           0x00000000
+#define PHYS_SDRAM_1_SIZE                      0x40000000
+#define CONFIG_NR_DRAM_BANKS                   4
+#define DRAM_BANK_SIZE                         0x10000000
+
+/* sys */
+#define CONFIG_SYS_BOOTM_LEN                   0x1400000
+#define CONFIG_SYS_INIT_RAM_SIZE               0x100000
+#define CONFIG_SYS_SDRAM_BASE                  PHYS_SDRAM_1
+#define CONFIG_SYS_INIT_SP_ADDR                        (PHYS_SDRAM_1 + 
0x200000)
+#define CONFIG_SYS_LOAD_ADDR                   (PHYS_SDRAM_1 + 0x800000)
+#define CONFIG_SYS_MALLOC_LEN                  (PHYS_SDRAM_1 + SZ_8M)
+
+/* must match bl33.bin load address */
+#define CONFIG_SYS_TEXT_BASE                   0x37000000
+
+/* generic gimer */
+#define COUNTER_FREQUENCY                      19000000
+
+/* generic interrupt controller definitions */
+#define GICD_BASE                              0xF1001000
+#define GICC_BASE                              0xF1002000
+
+/* serial port PL010/PL011 */
+#define CONFIG_PL01X_SERIAL
+
+/* USB configuration */
+#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS     3
+#define CONFIG_USB_MAX_CONTROLLER_COUNT                2
+#define CONFIG_SYS_USB_EVENT_POLL
+#define CONFIG_USB_ETHER_SMSC95XX
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_ASIX
+
+/* SD/MMC configuration */
+#define CONFIG_BOUNCE_BUFFER
+/*****************************************************************************
+ *  Initial environment variables
+ *****************************************************************************/
+
+#define CONFIG_NETMASK                         255.255.255.0
+#define CONFIG_SERVERIP                                192.168.1.4
+#define CONFIG_GATEWAYIP                       192.168.1.1
+
+#define BOOT_TARGET_DEVICES(func)                                      \
+                                       func(USB, usb, 0)               \
+                                       func(MMC, mmc, 0)               \
+                                       func(DHCP, dhcp, na)
+
+#ifndef CONFIG_SPL_BUILD
+#include <config_distro_defaults.h>
+#include <config_distro_bootcmd.h>
+#endif
+
+
+#define CONFIG_EXTRA_ENV_SETTINGS                                      \
+                                       "loader_mmc_blknum=0x0\0"     \
+                                       "loader_mmc_nblks=0x780\0"    \
+                                       "env_mmc_blknum=0xF0000\0"    \

Shouldn't this be 0x780 (i.e. a blknum rather than bytes)

+                                       "env_mmc_nblks=0x80\0"                \
+                                       "kernel_addr_r=0x30000000\0"  \
+                                       "pxefile_addr_r=0x32000000\0" \
+                                       "scriptaddr=0x32000000\0"     \
+                                       "fdt_addr_r=0x32200000\0"     \
+                                       "ramdisk_addr_r=0x32400000\0" \
+       BOOTENV
+
+
+/* Command line configuration */
+#define CONFIG_ENV_IS_IN_MMC           1
+#define CONFIG_SYS_MMC_ENV_DEV         0
+#define CONFIG_ENV_OFFSET              0xF0000  /* env_mmc_blknum */
+#define CONFIG_ENV_SIZE                        0x10000  /* env_mmc_nblks bytes 
*/

Possibly express these are (0x780 * 512) to make absolutely explicit the relationship to the blknum/nblks values?

+#define CONFIG_CMD_ENV
+#define CONFIG_FAT_WRITE
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
+
+/* Monitor Command Prompt */
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_CBSIZE                      512
+#define CONFIG_SYS_MAXARGS                     64
+#define CONFIG_SYS_PBSIZE                      (CONFIG_SYS_CBSIZE + \
+                                               sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_BARGSIZE                    CONFIG_SYS_CBSIZE
+
+#endif /* _POPLAR_H_ */


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