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| author | Dirk Eibach <dirk.eibach@gdsys.cc> | 2016-03-16 09:20:11 +0100 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2016-03-21 09:19:53 +0100 |
| commit | e9cb21d0e891e95350da6ec3f8623018fd246187 (patch) | |
| tree | f2ecda4743d759a95388359e1ae5ddf329223fdb /board/gdsys/common/dp501.c | |
| parent | 83d95b67d3731e39292d858924ade3be68c167af (diff) | |
| download | blackbird-obmc-uboot-e9cb21d0e891e95350da6ec3f8623018fd246187.tar.gz blackbird-obmc-uboot-e9cb21d0e891e95350da6ec3f8623018fd246187.zip | |
strider: Add DP501 support for cpu model
Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'board/gdsys/common/dp501.c')
| -rw-r--r-- | board/gdsys/common/dp501.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/board/gdsys/common/dp501.c b/board/gdsys/common/dp501.c index d35aee0879..54e7f63f69 100644 --- a/board/gdsys/common/dp501.c +++ b/board/gdsys/common/dp501.c @@ -12,6 +12,16 @@ #include <errno.h> #include <i2c.h> +#define DP501_I2C_ADDR 0x08 + +#ifdef CONFIG_SYS_DP501_I2C +int dp501_i2c[] = CONFIG_SYS_DP501_I2C; +#endif + +#ifdef CONFIG_SYS_DP501_BASE +int dp501_base[] = CONFIG_SYS_DP501_BASE; +#endif + static void dp501_setbits(u8 addr, u8 reg, u8 mask) { u8 val; @@ -125,3 +135,24 @@ void dp501_powerdown(u8 addr) { dp501_setbits(addr, 0x0a, 0x30); /* power down encoder, standby mode */ } + + +int dp501_probe(unsigned screen, bool power) +{ +#ifdef CONFIG_SYS_DP501_BASE + uint8_t dp501_addr = dp501_base[screen]; +#else + uint8_t dp501_addr = DP501_I2C_ADDR; +#endif + +#ifdef CONFIG_SYS_DP501_I2C + i2c_set_bus_num(dp501_i2c[screen]); +#endif + + if (i2c_probe(dp501_addr)) + return -1; + + dp501_powerup(dp501_addr); + + return 0; +} |
