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authorAaron Durbin <adurbin@chromium.org>2016-08-06 13:42:37 -0500
committerAaron Durbin <adurbin@chromium.org>2016-08-09 01:32:21 +0200
commit9ba069957b1591628ea4d5e2a9ff8553efa52c71 (patch)
tree0f370b43773242ce704158c676f964432230cb3b /src/soc/nvidia/tegra132/mipi.c
parent0c634159a35ff567fc4897df25dddddd181a1a8c (diff)
soc/nvidia/tegra132: remove tegra132 support
As no more mainboards are utilizing this SoC support code remove it. It can be resurrected if ever needed. BUG=chrome-os-partner:55932 Change-Id: Ic3caf6e6c9b62d012679b996abaa525c8bf679a9 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/16108 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/soc/nvidia/tegra132/mipi.c')
-rw-r--r--src/soc/nvidia/tegra132/mipi.c147
1 files changed, 0 insertions, 147 deletions
diff --git a/src/soc/nvidia/tegra132/mipi.c b/src/soc/nvidia/tegra132/mipi.c
deleted file mode 100644
index 7a402df594..0000000000
--- a/src/soc/nvidia/tegra132/mipi.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2014 Google Inc.
- *
- * 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
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-#include <console/console.h>
-#include <arch/io.h>
-#include <stdint.h>
-#include <lib.h>
-#include <stdlib.h>
-#include <delay.h>
-#include <soc/addressmap.h>
-#include <soc/clock.h>
-#include <device/device.h>
-#include <soc/nvidia/tegra/types.h>
-#include <soc/display.h>
-#include <soc/mipi_dsi.h>
-#include <soc/tegra_dsi.h>
-#include "jdi_25x18_display/panel-jdi-lpm102a188a.h"
-
-static unsigned long dsi_pads[] = {
- 0x060, /* DSIA & DSIB pads */
- 0x180, /* DSIC & DSID pads */
-};
-
-static struct tegra_mipi mipi_data = {
- .regs = (void *)TEGRA_MIPI_CAL_BASE,
-};
-
-static inline unsigned long tegra_mipi_readl(struct tegra_mipi *mipi,
- unsigned long reg)
-{
- return read32(mipi->regs + (reg << 2));
-}
-
-static inline void tegra_mipi_writel(struct tegra_mipi *mipi,
- unsigned long value, unsigned long reg)
-{
- write32(mipi->regs + (reg << 2), value);
-}
-
-static const struct calibration_regs tegra124_mipi_calibration_regs[] = {
- { .data = MIPI_CAL_CONFIG_CSIA, .clk = MIPI_CAL_CONFIG_CSIAB_CLK },
- { .data = MIPI_CAL_CONFIG_CSIB, .clk = MIPI_CAL_CONFIG_CSIAB_CLK },
- { .data = MIPI_CAL_CONFIG_CSIC, .clk = MIPI_CAL_CONFIG_CSICD_CLK },
- { .data = MIPI_CAL_CONFIG_CSID, .clk = MIPI_CAL_CONFIG_CSICD_CLK },
- { .data = MIPI_CAL_CONFIG_CSIE, .clk = MIPI_CAL_CONFIG_CSIE_CLK },
- { .data = MIPI_CAL_CONFIG_DSIA, .clk = MIPI_CAL_CONFIG_DSIAB_CLK },
- { .data = MIPI_CAL_CONFIG_DSIB, .clk = MIPI_CAL_CONFIG_DSIAB_CLK },
-};
-static const struct tegra_mipi_config tegra124_mipi_config = {
- .calibrate_clk_lane = 1,
- .regs = tegra124_mipi_calibration_regs,
- .num_pads = ARRAY_SIZE(tegra124_mipi_calibration_regs),
-};
-
-struct tegra_mipi_device *tegra_mipi_request(struct tegra_mipi_device *device,
- int device_index)
-{
- device->mipi = &mipi_data;
- device->config = &tegra124_mipi_config;
- device->pads = dsi_pads[device_index];
-
- return device;
-}
-
-static int tegra_mipi_wait(struct tegra_mipi *mipi)
-{
- u32 poll_interval_us = 1000;
- u32 timeout_us = 250 * 1000;
- unsigned long value;
-
- do {
- value = tegra_mipi_readl(mipi, MIPI_CAL_STATUS);
- if ((value & MIPI_CAL_STATUS_ACTIVE) == 0 &&
- (value & MIPI_CAL_STATUS_DONE) != 0)
- return 0;
-
- if (timeout_us > poll_interval_us)
- timeout_us -= poll_interval_us;
- else
- break;
-
- udelay(poll_interval_us);
- } while (1);
-
- printk(BIOS_ERR, "%s: ERROR: timeout\n", __func__);
- return -ETIMEDOUT;
-}
-
-int tegra_mipi_calibrate(struct tegra_mipi_device *device)
-{
- const struct tegra_mipi_config *cfg = device->config;
- unsigned long value, clk_value;
- unsigned int i;
- int err;
-
- value = tegra_mipi_readl(device->mipi, MIPI_CAL_BIAS_PAD_CFG0);
- value &= ~MIPI_CAL_BIAS_PAD_PDVCLAMP;
- value |= MIPI_CAL_BIAS_PAD_E_VCLAMP_REF;
- tegra_mipi_writel(device->mipi, value, MIPI_CAL_BIAS_PAD_CFG0);
-
- tegra_mipi_writel(device->mipi, MIPI_CAL_BIAS_PAD_CFG1_DEFAULT,
- MIPI_CAL_BIAS_PAD_CFG1);
-
- value = tegra_mipi_readl(device->mipi, MIPI_CAL_BIAS_PAD_CFG2);
- value &= ~MIPI_CAL_BIAS_PAD_PDVREG;
- tegra_mipi_writel(device->mipi, value, MIPI_CAL_BIAS_PAD_CFG2);
-
- for (i = 0; i < cfg->num_pads; i++) {
- if (device->pads & BIT(i)) {
- value = MIPI_CAL_CONFIG_SELECT |
- MIPI_CAL_CONFIG_HSPDOS(0) |
- MIPI_CAL_CONFIG_HSPUOS(4) |
- MIPI_CAL_CONFIG_TERMOS(5);
- clk_value = MIPI_CAL_CONFIG_SELECT |
- MIPI_CAL_CONFIG_HSCLKPDOSD(0) |
- MIPI_CAL_CONFIG_HSCLKPUOSD(4);
- } else {
- value = 0;
- clk_value = 0;
- }
-
- tegra_mipi_writel(device->mipi, value, cfg->regs[i].data);
-
- if (cfg->calibrate_clk_lane)
- tegra_mipi_writel(device->mipi, clk_value,
- cfg->regs[i].clk);
- }
-
- value = tegra_mipi_readl(device->mipi, MIPI_CAL_CTRL);
- value |= MIPI_CAL_CTRL_START;
- tegra_mipi_writel(device->mipi, value, MIPI_CAL_CTRL);
-
- err = tegra_mipi_wait(device->mipi);
-
- return err;
-}