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PKGBUILDs/alarm/uboot-beagleboard/0001-arch-linux-arm-modifications.patch
Kevin Mihelich 0ac9b5f666 alarm/uboot-beagleboard to 2015.04-1
2015-06-08 01:15:39 +00:00

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From 7f420c8c4a9ad883d5f8699a2f37797080ae5683 Mon Sep 17 00:00:00 2001
From: Kevin Mihelich <kevin@archlinuxarm.org>
Date: Sun, 7 Jun 2015 18:24:03 -0600
Subject: [PATCH] arch linux arm modifications
Signed-off-by: Kevin Mihelich <kevin@archlinuxarm.org>
---
board/ti/beagle/beagle.c | 38 +++++++--
include/configs/omap3_beagle.h | 172 ++++++++++++++---------------------------
2 files changed, 93 insertions(+), 117 deletions(-)
diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
index 7b37fbe..ff986ff 100644
--- a/board/ti/beagle/beagle.c
+++ b/board/ti/beagle/beagle.c
@@ -56,6 +56,7 @@
#define BBTOYS_WIFI 0x01000B00
#define BBTOYS_VGA 0x02000B00
#define BBTOYS_LCD 0x03000B00
+#define BBTOYS_ULCD 0x04000B00
#define BCT_BRETTL3 0x01000F00
#define BCT_BRETTL4 0x02000F00
#define LSR_COM6L_ADPT 0x01001300
@@ -211,25 +212,25 @@ void get_board_mem_timings(struct board_sdrc_timings *timings)
* bus 1 for the availability of an AT24C01B serial EEPROM.
* returns the device_vendor field from the EEPROM
*/
-static unsigned int get_expansion_id(void)
+static unsigned int get_expansion_id(int eeprom_address)
{
i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
/* return BEAGLE_NO_EEPROM if eeprom doesn't respond */
- if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
+ if (i2c_probe(eeprom_address) == 1) {
i2c_set_bus_num(TWL4030_I2C_BUS);
return BEAGLE_NO_EEPROM;
}
/* read configuration data */
- i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
+ i2c_read(eeprom_address, 0, 1, (u8 *)&expansion_config,
sizeof(expansion_config));
/* retry reading configuration data with 16bit addressing */
if ((expansion_config.device_vendor == 0xFFFFFF00) ||
(expansion_config.device_vendor == 0xFFFFFFFF)) {
printf("EEPROM is blank or 8bit addressing failed: retrying with 16bit:\n");
- i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 2, (u8 *)&expansion_config,
+ i2c_read(eeprom_address, 0, 2, (u8 *)&expansion_config,
sizeof(expansion_config));
}
@@ -341,15 +342,18 @@ int misc_init_r(void)
case REVISION_AXBX:
printf("Beagle Rev Ax/Bx\n");
setenv("beaglerev", "AxBx");
+ setenv("musb", "musb_hdrc.fifo_mode=5");
break;
case REVISION_CX:
printf("Beagle Rev C1/C2/C3\n");
setenv("beaglerev", "Cx");
+ setenv("musb", "musb_hdrc.fifo_mode=5");
MUX_BEAGLE_C();
break;
case REVISION_C4:
printf("Beagle Rev C4\n");
setenv("beaglerev", "C4");
+ setenv("musb", "musb_hdrc.fifo_mode=5");
MUX_BEAGLE_C();
/* Set VAUX2 to 1.8V for EHCI PHY */
twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
@@ -390,7 +394,7 @@ int misc_init_r(void)
generate_fake_mac = true;
}
- switch (get_expansion_id()) {
+ switch (get_expansion_id(EXPANSION_EEPROM_I2C_ADDRESS)) {
case TINCANTOOLS_ZIPPY:
printf("Recognized Tincantools Zippy board (rev %d %s)\n",
expansion_config.revision,
@@ -473,6 +477,30 @@ int misc_init_r(void)
if (expansion_config.content == 1)
setenv(expansion_config.env_var, expansion_config.env_setting);
+ /* Scan 0x51 as well for loop-thru boards */
+ switch (get_expansion_id(EXPANSION_EEPROM_I2C_ADDRESS + 1)) {
+ case BBTOYS_ULCD:
+ printf("Recognized BeagleBoardToys uLCD-lite board\n");
+ setenv("buddy2", "bbtoys-ulcd");
+ setenv("defaultdisplay", "dvi");
+ setenv("dvimode", "800x480MR-16@60");
+ setenv("lcd1", "i2c mw 40 00 00; i2c mw 40 04 80; i2c mw 40 0d 05");
+ setenv("lcdcmd", "i2c dev 1 ; run lcd1; i2c dev 0");
+ setenv("kmsmode", "video=DVI-D-1:800x480");
+ break;
+ case BEAGLE_NO_EEPROM:
+ printf("No EEPROM on expansion board\n");
+ setenv("buddy2", "none");
+ break;
+ default:
+ printf("Unrecognized expansion board: %x\n",
+ expansion_config.device_vendor);
+ setenv("buddy2", "unknown");
+ }
+
+ if (expansion_config.content == 1)
+ setenv(expansion_config.env_var, expansion_config.env_setting);
+
twl4030_power_init();
switch (get_board_revision()) {
case REVISION_XM_AB:
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index f25a940..9f15cf1 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -90,6 +90,12 @@
#define CONFIG_USB_ETHER_MCS7830
#define CONFIG_USB_ETHER_SMSC95XX
+/* Arch Linux ARM extras */
+#define CONFIG_IDENT_STRING " Arch Linux ARM"
+#define CONFIG_SUPPORT_RAW_INITRD
+#define CONFIG_CMD_PART
+#define CONFIG_PARTITION_UUIDS
+
/* GPIO banks */
#define CONFIG_OMAP3_GPIO_5 /* GPIO128..159 is in GPIO bank 5 */
#define CONFIG_OMAP3_GPIO_6 /* GPIO160..191 is in GPIO bank 6 */
@@ -129,50 +135,62 @@
/* devices */
#define CONFIG_EXTRA_ENV_SETTINGS \
- "loadaddr=0x80200000\0" \
- "rdaddr=0x81000000\0" \
+ "loadaddr=0x82000000\0" \
+ "rdaddr=0x88080000\0" \
"fdt_high=0xffffffff\0" \
- "fdtaddr=0x80f80000\0" \
- "usbtty=cdc_acm\0" \
- "bootfile=uImage\0" \
- "ramdisk=ramdisk.gz\0" \
- "bootdir=/boot\0" \
- "bootpart=0:2\0" \
+ "fdtaddr=0x88000000\0" \
"console=ttyO2,115200n8\0" \
- "mpurate=auto\0" \
- "buddy=none\0" \
- "optargs=\0" \
- "camera=none\0" \
- "vram=12M\0" \
- "dvimode=640x480MR-16@60\0" \
- "defaultdisplay=dvi\0" \
+ "fdtfile=undefined\0" \
+ "bootpart=0:1\0" \
+ "bootdir=/\0" \
+ "fdtdir=/dtbs\0" \
+ "bootfile=zImage\0" \
+ "rdfile=initramfs-linux.img\0" \
"mmcdev=0\0" \
- "mmcroot=/dev/mmcblk0p2 rw\0" \
- "mmcrootfstype=ext3 rootwait\0" \
- "nandroot=ubi0:rootfs ubi.mtd=4\0" \
- "nandrootfstype=ubifs\0" \
- "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=0x81000000,64M\0" \
- "ramrootfstype=ext2\0" \
+ "optargs=\0" \
"mmcargs=setenv bootargs console=${console} " \
"${optargs} " \
- "mpurate=${mpurate} " \
- "buddy=${buddy} "\
- "camera=${camera} "\
- "vram=${vram} " \
- "omapfb.mode=dvi:${dvimode} " \
- "omapdss.def_disp=${defaultdisplay} " \
- "root=${mmcroot} " \
- "rootfstype=${mmcrootfstype}\0" \
- "nandargs=setenv bootargs console=${console} " \
- "${optargs} " \
- "mpurate=${mpurate} " \
- "buddy=${buddy} "\
- "camera=${camera} "\
- "vram=${vram} " \
- "omapfb.mode=dvi:${dvimode} " \
- "omapdss.def_disp=${defaultdisplay} " \
- "root=${nandroot} " \
- "rootfstype=${nandrootfstype}\0" \
+ "root=${root} " \
+ "${musb} " \
+ "${cmdline}\0" \
+ "loadimage=load ${devtype} ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
+ "loadrd=load ${devtype} ${bootpart} ${rdaddr} ${bootdir}/${rdfile}\0" \
+ "loadfdt=echo loading ${fdtdir}/${fdtfile} ...; load ${devtype} ${bootpart} ${fdtaddr} ${fdtdir}/${fdtfile}\0" \
+ "mmcboot=usb start;" \
+ "for devtype in mmc usb; do " \
+ "setenv devnum 0;" \
+ "while ${devtype} dev ${devnum}; do " \
+ "echo ${devtype} found on device ${devnum};" \
+ "setenv bootpart ${devnum}:1;" \
+ "if test ${devtype} = mmc; then part uuid mmc ${devnum}:2 uuid; else part uuid ${devtype} ${devnum}:1 uuid; fi;" \
+ "part uuid ${devtype} ${rootpart} uuid;" \
+ "setenv root PARTUUID=${uuid} rw rootwait;" \
+ "echo Checking for: ${bootdir}/uEnv.txt ...;" \
+ "if test -e ${devtype} ${bootpart} ${bootdir}/uEnv.txt; then " \
+ "load ${devtype} ${bootpart} ${loadaddr} ${bootdir}/uEnv.txt;" \
+ "env import -t ${loadaddr} ${filesize};" \
+ "echo Loaded environment from ${bootdir}/uEnv.txt;" \
+ "echo Checking if uenvcmd is set ...;" \
+ "if test -n ${uenvcmd}; then " \
+ "echo Running uenvcmd ...;" \
+ "run uenvcmd;" \
+ "fi;" \
+ "fi;" \
+ "if run loadimage; then " \
+ "run mmcargs;" \
+ "if run loadfdt; then " \
+ "if run loadrd; then " \
+ "bootz ${loadaddr} ${rdaddr}:${filesize} ${fdtaddr};" \
+ "else " \
+ "bootz ${loadaddr} - ${fdtaddr};" \
+ "fi;" \
+ "fi;" \
+ "else " \
+ "echo No kernel found;" \
+ "fi;" \
+ "setexpr devnum ${devnum} + 1;" \
+ "done;" \
+ "done;\0" \
"findfdt=" \
"if test $beaglerev = AxBx; then " \
"setenv fdtfile omap3-beagle.dtb; fi; " \
@@ -185,81 +203,11 @@
"if test $beaglerev = xMC; then " \
"setenv fdtfile omap3-beagle-xm.dtb; fi; " \
"if test $fdtfile = undefined; then " \
- "echo WARNING: Could not determine device tree to use; fi; \0" \
- "validatefdt=" \
- "if test $beaglerev = xMAB; then " \
- "if test ! -e mmc ${bootpart} ${bootdir}/${fdtfile}; then " \
- "setenv fdtfile omap3-beagle-xm.dtb; " \
- "fi; " \
- "fi; \0" \
- "bootenv=uEnv.txt\0" \
- "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
- "importbootenv=echo Importing environment from mmc ...; " \
- "env import -t -r $loadaddr $filesize\0" \
- "ramargs=setenv bootargs console=${console} " \
- "${optargs} " \
- "mpurate=${mpurate} " \
- "buddy=${buddy} "\
- "vram=${vram} " \
- "omapfb.mode=dvi:${dvimode} " \
- "omapdss.def_disp=${defaultdisplay} " \
- "root=${ramroot} " \
- "rootfstype=${ramrootfstype}\0" \
- "loadramdisk=load mmc ${bootpart} ${rdaddr} ${bootdir}/${ramdisk}\0" \
- "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
- "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
- "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
- "source ${loadaddr}\0" \
- "loadfdt=run validatefdt; load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
- "mmcboot=echo Booting from mmc ...; " \
- "run mmcargs; " \
- "bootm ${loadaddr}\0" \
- "mmcbootz=echo Booting with DT from mmc${mmcdev} ...; " \
- "run mmcargs; " \
- "bootz ${loadaddr} - ${fdtaddr}\0" \
- "nandboot=echo Booting from nand ...; " \
- "run nandargs; " \
- "nand read ${loadaddr} 280000 400000; " \
- "bootm ${loadaddr}\0" \
- "ramboot=echo Booting from ramdisk ...; " \
- "run ramargs; " \
- "bootm ${loadaddr}\0" \
- "userbutton=if gpio input 173; then run userbutton_xm; " \
- "else run userbutton_nonxm; fi;\0" \
- "userbutton_xm=gpio input 4;\0" \
- "userbutton_nonxm=gpio input 7;\0"
-/* "run userbutton" will return 1 (false) if pressed and 0 (true) if not */
+ "echo WARNING: Could not determine device tree to use; fi; \0"
+
#define CONFIG_BOOTCOMMAND \
"run findfdt; " \
- "mmc dev ${mmcdev}; if mmc rescan; then " \
- "if run userbutton; then " \
- "setenv bootenv uEnv.txt;" \
- "else " \
- "setenv bootenv user.txt;" \
- "fi;" \
- "echo SD/MMC found on device ${mmcdev};" \
- "if run loadbootenv; then " \
- "echo Loaded environment from ${bootenv};" \
- "run importbootenv;" \
- "fi;" \
- "if test -n $uenvcmd; then " \
- "echo Running uenvcmd ...;" \
- "run uenvcmd;" \
- "fi;" \
- "if run loadbootscript; then " \
- "run bootscript; " \
- "else " \
- "if run loadimage; then " \
- "run mmcboot;" \
- "fi;" \
- "fi; " \
- "fi;" \
- "run nandboot;" \
- "setenv bootfile zImage;" \
- "if run loadimage; then " \
- "run loadfdt;" \
- "run mmcbootz; " \
- "fi; " \
+ "run mmcboot"
/*
* OMAP3 has 12 GP timers, they can be driven by the system clock
--
2.4.2
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