diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/siemens/mc_tcu3/ptn3460.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/mainboard/siemens/mc_tcu3/ptn3460.c b/src/mainboard/siemens/mc_tcu3/ptn3460.c index bcf8d2c7b8..cd59492582 100644 --- a/src/mainboard/siemens/mc_tcu3/ptn3460.c +++ b/src/mainboard/siemens/mc_tcu3/ptn3460.c @@ -15,6 +15,7 @@ #include <console/console.h> #include <hwilib.h> +#include <string.h> #include "soc/i2c.h" #include "ptn3460.h" @@ -29,6 +30,7 @@ int ptn3460_init(char *hwi_block) int status; uint8_t disp_con = 0, color_depth = 0; uint8_t edid_data[0x80]; + uint8_t hwid[4], tcu31_hwid[4] = {7, 9, 2, 0}; if (!hwi_block || hwilib_find_blocks(hwi_block) != CB_SUCCESS) { printk(BIOS_ERR, "LCD: Info block \"%s\" not found!\n", @@ -56,6 +58,11 @@ int ptn3460_init(char *hwi_block) hwi_block); return 1; } + if (hwilib_get_field(HWID, hwid, sizeof(hwid)) != sizeof(hwid)) { + printk(BIOS_ERR, "LCD: Missing HW-ID from %s\n", + hwi_block); + return 1; + } /* Here, all the desired information for setting up DP2LVDS converter*/ /* are present. Inside the converter, table 6 will be used for */ /* the timings. */ @@ -78,7 +85,10 @@ int ptn3460_init(char *hwi_block) cfg.lvds_interface_ctrl1 |= 0x20; /* Use 18 bits per pixel */ cfg.lvds_interface_ctrl2 = 0x03; /* no clock spreading, 300 mV LVDS swing */ - cfg.lvds_interface_ctrl3 = 0x00; /* no LVDS signal swap */ + if (memcmp(hwid, tcu31_hwid, sizeof(hwid))) + cfg.lvds_interface_ctrl3 = 0x00; /* no LVDS signal swap */ + else + cfg.lvds_interface_ctrl3 = 0x01; /* swap LVDS even and odd */ cfg.t2_delay = 1; /* Delay T2 (VDD to LVDS active) by 16 ms */ cfg.t3_timing = 10; /* 500 ms from LVDS to backlight active */ cfg.t12_timing = 20; /* 1 second re-power delay */ |