1 /* 2 * pengwyn.h 3 * 4 * Copyright (C) 2013 Lothar Felten <lothar.felten@gmail.com> 5 * 6 * based on am335x_evm.h, Copyright (C) 2011 Texas Instruments Inc. 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #ifndef __CONFIG_PENGWYN_H 12 #define __CONFIG_PENGWYN_H 13 14 #define CONFIG_NAND 15 #define CONFIG_SERIAL1 16 #define CONFIG_CONS_INDEX 1 17 18 #include <configs/ti_am335x_common.h> 19 20 /* Clock Defines */ 21 #define V_OSCK 24000000 22 #define V_SCLK V_OSCK 23 24 /* set env size */ 25 #define CONFIG_ENV_SIZE 0x4000 26 27 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 28 29 #ifndef CONFIG_SPL_BUILD 30 #define CONFIG_EXTRA_ENV_SETTINGS \ 31 "loadaddr=0x80200000\0" \ 32 "fdtaddr=0x80F80000\0" \ 33 "bootpart=0:2\0" \ 34 "bootdir=/boot\0" \ 35 "bootfile=zImage\0" \ 36 "fdtfile=am335x-pengwyn.dtb\0" \ 37 "console=ttyO0,115200n8\0" \ 38 "optargs=\0" \ 39 "mmcdev=0\0" \ 40 "mmcroot=/dev/mmcblk0p2 ro\0" \ 41 "mmcrootfstype=ext4 rootwait\0" \ 42 "rootpath=/export/rootfs\0" \ 43 "nfsopts=nolock\0" \ 44 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \ 45 "::off\0" \ 46 "mmcargs=setenv bootargs console=${console} " \ 47 "${optargs} " \ 48 "root=${mmcroot} " \ 49 "rootfstype=${mmcrootfstype}\0" \ 50 "netargs=setenv bootargs console=${console} " \ 51 "${optargs} " \ 52 "root=/dev/nfs " \ 53 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \ 54 "ip=dhcp\0" \ 55 "bootenv=uEnv.txt\0" \ 56 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 57 "importbootenv=echo Importing environment from mmc ...; " \ 58 "env import -t $loadaddr $filesize\0" \ 59 "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 60 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 61 "mmcloados=run mmcargs; " \ 62 "bootz ${loadaddr} - ${fdtaddr};\0" \ 63 "mmcboot=mmc dev ${mmcdev}; " \ 64 "if mmc rescan; then " \ 65 "echo SD/MMC found on device ${mmcdev};" \ 66 "if run loadbootenv; then " \ 67 "echo Loaded environment from ${bootenv};" \ 68 "run importbootenv;" \ 69 "fi;" \ 70 "if test -n $uenvcmd; then " \ 71 "echo Running uenvcmd ...;" \ 72 "run uenvcmd;" \ 73 "fi;" \ 74 "if run loadimage; then " \ 75 "run loadfdt;" \ 76 "run mmcloados;" \ 77 "fi;" \ 78 "fi;\0" \ 79 "netboot=echo Booting from network ...; " \ 80 "setenv autoload no; " \ 81 "dhcp; " \ 82 "tftp ${loadaddr} ${bootfile}; " \ 83 "tftp ${fdtaddr} ${fdtfile}; " \ 84 "run netargs; " \ 85 "bootz ${loadaddr} - ${fdtaddr}\0" \ 86 "mtdids=" MTDIDS_DEFAULT "\0" \ 87 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 88 "nandargs=setenv bootargs console=${console} " \ 89 "${optargs} " \ 90 "root=${nandroot} " \ 91 "rootfstype=${nandrootfstype}\0" \ 92 "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \ 93 "nandrootfstype=ubifs rootwait=1\0" \ 94 "nandboot=echo Booting from nand ...; " \ 95 "run nandargs; " \ 96 "nand read ${fdtaddr} u-boot-spl-os; " \ 97 "nand read ${loadaddr} kernel; " \ 98 "bootz ${loadaddr} - ${fdtaddr}\0" 99 #endif 100 101 #define CONFIG_BOOTCOMMAND \ 102 "run mmcboot;" \ 103 "run nandboot;" 104 105 /* NS16550 Configuration: primary UART via FDTI */ 106 #define CONFIG_SYS_NS16550_COM1 0x44e09000 107 #define CONFIG_BAUDRATE 115200 108 109 /* I2C Configuration */ 110 #define CONFIG_SYS_I2C_SPEED 100000 111 #define CONFIG_CMD_EEPROM 112 #define CONFIG_ENV_EEPROM_IS_ON_I2C 113 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 114 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 115 #define CONFIG_SYS_I2C_MULTI_EEPROMS 116 117 /* SPL */ 118 #define CONFIG_SPL_POWER_SUPPORT 119 #define CONFIG_SPL_YMODEM_SUPPORT 120 121 /* General network SPL */ 122 #define CONFIG_SPL_NET_SUPPORT 123 #define CONFIG_SPL_ENV_SUPPORT 124 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL" 125 126 /* NAND support */ 127 #define CONFIG_CMD_NAND 128 #define CONFIG_NAND_OMAP_GPMC 129 #define CONFIG_NAND_OMAP_ELM 130 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 131 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 132 CONFIG_SYS_NAND_PAGE_SIZE) 133 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 134 #define CONFIG_SYS_NAND_OOBSIZE 64 135 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 136 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 137 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 138 10, 11, 12, 13, 14, 15, 16, 17, \ 139 18, 19, 20, 21, 22, 23, 24, 25, \ 140 26, 27, 28, 29, 30, 31, 32, 33, \ 141 34, 35, 36, 37, 38, 39, 40, 41, \ 142 42, 43, 44, 45, 46, 47, 48, 49, \ 143 50, 51, 52, 53, 54, 55, 56, 57, } 144 145 #define CONFIG_SYS_NAND_ECCSIZE 512 146 #define CONFIG_SYS_NAND_ECCBYTES 14 147 #define CONFIG_SYS_NAND_ONFI_DETECTION 148 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW 149 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 150 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 151 152 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 153 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \ 154 "128k(SPL.backup1)," \ 155 "128k(SPL.backup2)," \ 156 "128k(SPL.backup3),1792k(u-boot)," \ 157 "128k(u-boot-spl-os)," \ 158 "128k(u-boot-env),5m(kernel),-(rootfs)" 159 #define CONFIG_ENV_IS_IN_NAND 160 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */ 161 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 162 /* NAND: SPL falcon mode configs */ 163 #ifdef CONFIG_SPL_OS_BOOT 164 #define CONFIG_CMD_SPL_NAND_OFS 0x240000 /* un-assigned */ 165 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 166 #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000 167 #endif 168 169 /* 170 * USB configuration. We enable MUSB support, both for host and for 171 * gadget. We set USB0 as peripheral and USB1 as host, based on the 172 * board schematic and physical port wired to each. Then for host we 173 * add mass storage support. 174 */ 175 #define CONFIG_USB_MUSB_DSPS 176 #define CONFIG_ARCH_MISC_INIT 177 #define CONFIG_USB_MUSB_GADGET 178 #define CONFIG_USB_MUSB_PIO_ONLY 179 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT 180 #define CONFIG_USB_GADGET 181 #define CONFIG_USB_GADGET_DUALSPEED 182 #define CONFIG_USB_GADGET_VBUS_DRAW 2 183 #define CONFIG_USB_MUSB_HOST 184 #define CONFIG_AM335X_USB0 185 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL 186 #define CONFIG_AM335X_USB1 187 #define CONFIG_AM335X_USB1_MODE MUSB_HOST 188 189 #if defined(CONFIG_USB_MUSB_HOST) 190 #define CONFIG_CMD_USB 191 #define CONFIG_USB_STORAGE 192 #endif 193 194 #if defined(CONFIG_SPL_BUILD) 195 /* disable host part of MUSB in SPL */ 196 #undef CONFIG_USB_MUSB_HOST 197 /* Disable CPSW SPL support so we fit within the 101KiB limit. */ 198 #undef CONFIG_SPL_ETH_SUPPORT 199 #endif 200 201 /* Network */ 202 #define CONFIG_CMD_MII 203 #define CONFIG_PHYLIB 204 #define CONFIG_PHY_RESET 1 205 #define CONFIG_PHY_NATSEMI 206 207 /* CPSW support */ 208 #define CONFIG_SPL_ETH_SUPPORT 209 210 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds" 211 212 #endif /* ! __CONFIG_PENGWYN_H */ 213