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-rw-r--r--src/mainboard/siemens/mc_tcu3/mainboard.c6
-rw-r--r--src/mainboard/siemens/mc_tcu3/ptn3460.c79
2 files changed, 47 insertions, 38 deletions
diff --git a/src/mainboard/siemens/mc_tcu3/mainboard.c b/src/mainboard/siemens/mc_tcu3/mainboard.c
index 9e12aa588f..e77c0b1e29 100644
--- a/src/mainboard/siemens/mc_tcu3/mainboard.c
+++ b/src/mainboard/siemens/mc_tcu3/mainboard.c
@@ -70,9 +70,15 @@ enum cb_err mainboard_get_mac_address(struct device *dev, uint8_t mac[6])
*/
static void mainboard_enable(struct device *dev)
{
+
+}
+
+static void mainboard_final(void *chip_info)
+{
setup_lcd_panel();
}
struct chip_operations mainboard_ops = {
.enable_dev = mainboard_enable,
+ .final = mainboard_final,
};
diff --git a/src/mainboard/siemens/mc_tcu3/ptn3460.c b/src/mainboard/siemens/mc_tcu3/ptn3460.c
index 414baeb089..56f51f9647 100644
--- a/src/mainboard/siemens/mc_tcu3/ptn3460.c
+++ b/src/mainboard/siemens/mc_tcu3/ptn3460.c
@@ -1,7 +1,7 @@
/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2014 Siemens AG
+ * Copyright (C) 2014-2019 Siemens AG
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -18,7 +18,7 @@
#include <string.h>
#include <delay.h>
#include <types.h>
-
+#include <device/i2c_simple.h>
#include "soc/i2c.h"
#include "ptn3460.h"
@@ -34,6 +34,7 @@ int ptn3460_init(char *hwi_block)
uint8_t disp_con = 0, color_depth = 0;
uint8_t edid_data[0x80];
uint8_t hwid[4], tcu31_hwid[4] = {7, 9, 2, 0};
+ uint8_t i;
if (!hwi_block || hwilib_find_blocks(hwi_block) != CB_SUCCESS) {
printk(BIOS_ERR, "LCD: Info block \"%s\" not found!\n",
@@ -41,10 +42,6 @@ int ptn3460_init(char *hwi_block)
return 1;
}
- status = i2c_init(PTN_I2C_CONTROLLER);
- if (status)
- return (PTN_BUS_ERROR | status);
-
/* Get all needed information from hwinfo block */
if (hwilib_get_field(Edid, edid_data, 0x80) != sizeof(edid_data)) {
printk(BIOS_ERR, "LCD: No EDID data available in %s\n",
@@ -69,8 +66,8 @@ int ptn3460_init(char *hwi_block)
/* Select this table to be emulated */
ptn_select_edid(6);
/* Read PTN configuration data */
- status = i2c_read(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_CONFIG_OFF,
- (u8*)&cfg, PTN_CONFIG_LEN);
+ status = i2c_read_bytes(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_CONFIG_OFF, (u8 *) &cfg,
+ sizeof(struct ptn_3460_config));
if (status)
return (PTN_BUS_ERROR | status);
@@ -81,7 +78,6 @@ int ptn3460_init(char *hwi_block)
cfg.lvds_interface_ctrl1 |= 0x0b; /* Turn on dual LVDS lane and clock */
if (color_depth == PF_COLOR_DEPTH_6BIT)
cfg.lvds_interface_ctrl1 |= 0x20; /* Use 18 bits per pixel */
-
cfg.lvds_interface_ctrl2 = 0x03; /* no clock spreading, 300 mV LVDS swing */
/* Swap LVDS even and odd lanes for HW-ID 7.9.2.0 only. */
if (hwilib_get_field(HWID, hwid, sizeof(hwid)) == sizeof(hwid) &&
@@ -89,20 +85,22 @@ int ptn3460_init(char *hwi_block)
cfg.lvds_interface_ctrl3 = 0x01; /* swap LVDS even and odd */
} else
cfg.lvds_interface_ctrl3 = 0x00; /* no LVDS signal swap */
- 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 */
- cfg.t4_timing = 3; /* 150 ms backlight off to LVDS inactive */
- cfg.t5_delay = 1; /* Delay T5 (LVDS to VDD inactive) by 16 ms */
- cfg.backlight_ctrl = 0; /* Enable backlight control */
+ 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 */
+ cfg.t4_timing = 3; /* 150 ms backlight off to LVDS inactive */
+ cfg.t5_delay = 1; /* Delay T5 (LVDS to VDD inactive) by 16 ms */
+ cfg.backlight_ctrl = 0; /* Enable backlight control */
/* Write back configuration data to PTN3460 */
- status = i2c_write(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_CONFIG_OFF,
- (u8*)&cfg, PTN_CONFIG_LEN);
- if (status)
- return (PTN_BUS_ERROR | status);
- else
- return PTN_NO_ERROR;
+ for (i = 0; i < sizeof(struct ptn_3460_config); i++) {
+ status = i2c_writeb(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_CONFIG_OFF + i,
+ *(((uint8_t *) &cfg) + i));
+ if (status)
+ return (PTN_BUS_ERROR | status);
+ }
+
+ return PTN_NO_ERROR;
}
/** \brief This functions reads one desired EDID data structure from PTN3460
@@ -117,14 +115,13 @@ int ptn3460_read_edid(u8 edid_num, u8 *data)
if (edid_num > PTN_MAX_EDID_NUM)
return PTN_INVALID_EDID;
/* First enable access to the desired EDID table */
- status = i2c_write(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_CONFIG_OFF + 5,
- &edid_num, 1);
+ status = i2c_writeb(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_CONFIG_OFF + 5, edid_num);
if (status)
return (PTN_BUS_ERROR | status);
/* Now we can simply read back EDID-data */
- status = i2c_read(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_EDID_OFF,
- data, PTN_EDID_LEN);
+ status = i2c_read_bytes(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_EDID_OFF, data,
+ PTN_EDID_LEN);
if (status)
return (PTN_BUS_ERROR | status);
else
@@ -139,22 +136,24 @@ int ptn3460_read_edid(u8 edid_num, u8 *data)
int ptn3460_write_edid(u8 edid_num, u8 *data)
{
int status;
+ int i;
if (edid_num > PTN_MAX_EDID_NUM)
return PTN_INVALID_EDID;
+
/* First enable access to the desired EDID table */
- status = i2c_write(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_CONFIG_OFF + 5,
- &edid_num, 1);
+ status = i2c_writeb(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_CONFIG_OFF + 5, edid_num);
if (status)
return (PTN_BUS_ERROR | status);
/* Now we can simply write EDID-data to ptn3460 */
- status = i2c_write(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_EDID_OFF,
- data, PTN_EDID_LEN);
- if (status)
- return (PTN_BUS_ERROR | status);
- else
- return PTN_NO_ERROR;
+ for (i = 0; i < PTN_EDID_LEN; i++) {
+ status = i2c_writeb(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_EDID_OFF + i,
+ data[i]);
+ if (status)
+ return (PTN_BUS_ERROR | status);
+ }
+ return PTN_NO_ERROR;
}
/** \brief This functions selects one of 7 EDID-tables inside PTN3460
@@ -171,8 +170,7 @@ int ptn_select_edid (u8 edid_num)
return PTN_INVALID_EDID;
/* Enable emulation of the desired EDID table */
val = (edid_num << 1) | 1;
- status = i2c_write(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_CONFIG_OFF + 4,
- &val, 1);
+ status = i2c_writeb(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_CONFIG_OFF + 4, val);
if (status)
return (PTN_BUS_ERROR | status);
else
@@ -188,14 +186,19 @@ int ptn_select_edid (u8 edid_num)
*/
int ptn3460_flash_config(void)
{
- int status;
+ int status, i;
struct ptn_3460_flash flash;
flash.cmd = 0x01; /* perform erase and flash cycle */
flash.magic = 0x7845; /* Magic number to protect flash operation */
flash.trigger = 0x56; /* This value starts flash operation */
- status = i2c_write(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_FLASH_CFG_OFF,
- (u8*)&flash, PTN_FLASH_CFG_LEN);
+
+ for (i = 0; i < sizeof(struct ptn_3460_flash); i++) {
+ status = i2c_writeb(PTN_I2C_CONTROLLER, PTN_SLAVE_ADR, PTN_FLASH_CFG_OFF+i,
+ *(((uint8_t *) &flash) + i));
+ if (status)
+ return (PTN_BUS_ERROR | status);
+ }
if (status) {
return (PTN_BUS_ERROR | status);
} else {
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 23:13:01 +0000