Commit 951d582778a221a79682c4a2619dfcdb7d05d54e

Authored by Koen Kooi
Committed by Tom Rini
1 parent 73a27a84e5

am335x_evm: Add more variables and switch to DT booting.

Make bootcmd run findfdt so that we know what dtb file to load.  Add a
loadfdt command to load this file in.  Make mmcboot pass in ${fdtaddr}
and make the mmc section of bootcmd run loadfdt.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Tom Rini <trini@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>

Showing 1 changed file with 10 additions and 5 deletions Side-by-side Diff

include/configs/am335x_evm.h
... ... @@ -56,7 +56,8 @@
56 56 "fdtaddr=0x80F80000\0" \
57 57 "fdt_high=0xffffffff\0" \
58 58 "rdaddr=0x81000000\0" \
59   - "bootfile=/boot/uImage\0" \
  59 + "bootdir=/boot\0" \
  60 + "bootfile=uImage\0" \
60 61 "fdtfile=\0" \
61 62 "console=ttyO0,115200n8\0" \
62 63 "optargs=\0" \
63 64  
... ... @@ -105,10 +106,11 @@
105 106 "root=${ramroot} " \
106 107 "rootfstype=${ramrootfstype}\0" \
107 108 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
108   - "loaduimage=load mmc ${bootpart} ${loadaddr} ${bootfile}\0" \
  109 + "loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
  110 + "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
109 111 "mmcboot=echo Booting from mmc ...; " \
110 112 "run mmcargs; " \
111   - "bootm ${loadaddr}\0" \" \
  113 + "bootm ${loadaddr} - ${fdtaddr}\0" \" \
112 114 "nandboot=echo Booting from nand ...; " \
113 115 "run nandargs; " \
114 116 "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \
115 117  
116 118  
... ... @@ -122,11 +124,12 @@
122 124 "setenv autoload no; " \
123 125 "dhcp; " \
124 126 "tftp ${loadaddr} ${bootfile}; " \
  127 + "tftp ${fdtaddr} ${fdtfile}; " \
125 128 "run netargs; " \
126   - "bootm ${loadaddr}\0" \" \
  129 + "bootm ${loadaddr} - ${fdtaddr}\0" \" \
127 130 "ramboot=echo Booting from ramdisk ...; " \
128 131 "run ramargs; " \
129   - "bootm ${loadaddr}\0" \" \
  132 + "bootm ${loadaddr} ${rdaddr} ${fdtaddr}\0" \" \
130 133 "findfdt="\
131 134 "if test $board_name = A335BONE; then " \
132 135 "setenv fdtfile am335x-bone.dtb; fi; " \
... ... @@ -140,6 +143,7 @@
140 143 #endif
141 144  
142 145 #define CONFIG_BOOTCOMMAND \
  146 + "run findfdt; " \
143 147 "mmc dev ${mmcdev}; if mmc rescan; then " \
144 148 "echo SD/MMC found on device ${mmcdev};" \
145 149 "if run loadbootenv; then " \
... ... @@ -151,6 +155,7 @@
151 155 "run uenvcmd;" \
152 156 "fi;" \
153 157 "if run loaduimage; then " \
  158 + "run loadfdt;" \
154 159 "run mmcboot;" \
155 160 "fi;" \
156 161 "else " \