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@@ -376,8 +376,8 @@ err:
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return ret;
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}
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-int display_init(void *lcdbase, int fb_bits_per_pixel,
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- struct display_timing *timing)
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+static int display_init(void *lcdbase, int fb_bits_per_pixel,
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+ struct display_timing *timing)
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{
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struct dc_ctlr *dc_ctlr;
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const void *blob = gd->fdt_blob;
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@@ -462,3 +462,80 @@ int display_init(void *lcdbase, int fb_bits_per_pixel,
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return 0;
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}
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+
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+enum {
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+ /* Maximum LCD size we support */
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+ LCD_MAX_WIDTH = 1920,
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+ LCD_MAX_HEIGHT = 1200,
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+ LCD_MAX_LOG2_BPP = 4, /* 2^4 = 16 bpp */
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+};
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+
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+vidinfo_t panel_info = {
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+ /* Insert a value here so that we don't end up in the BSS */
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+ .vl_col = -1,
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+};
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+
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+int tegra_lcd_check_next_stage(const void *blob, int wait)
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+{
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+ return 0;
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+}
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+
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+void tegra_lcd_early_init(const void *blob)
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+{
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+ /*
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+ * Go with the maximum size for now. We will fix this up after
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+ * relocation. These values are only used for memory alocation.
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+ */
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+ panel_info.vl_col = LCD_MAX_WIDTH;
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+ panel_info.vl_row = LCD_MAX_HEIGHT;
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+ panel_info.vl_bpix = LCD_MAX_LOG2_BPP;
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+}
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+
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+static int tegra124_lcd_init(void *lcdbase)
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+{
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+ struct display_timing timing;
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+ int ret;
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+
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+ clock_set_up_plldp();
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+ clock_start_periph_pll(PERIPH_ID_HOST1X, CLOCK_ID_PERIPH, 408000000);
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+
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+ clock_enable(PERIPH_ID_HOST1X);
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+ clock_enable(PERIPH_ID_DISP1);
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+ clock_enable(PERIPH_ID_PWM);
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+ clock_enable(PERIPH_ID_DPAUX);
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+ clock_enable(PERIPH_ID_SOR0);
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+ udelay(2);
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+
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+ reset_set_enable(PERIPH_ID_HOST1X, 0);
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+ reset_set_enable(PERIPH_ID_DISP1, 0);
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+ reset_set_enable(PERIPH_ID_PWM, 0);
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+ reset_set_enable(PERIPH_ID_DPAUX, 0);
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+ reset_set_enable(PERIPH_ID_SOR0, 0);
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+
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+ ret = display_init(lcdbase, 1 << LCD_BPP, &timing);
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+ if (ret)
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+ return ret;
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+
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+ panel_info.vl_col = roundup(timing.hactive.typ, 16);
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+ panel_info.vl_row = timing.vactive.typ;
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+
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+ lcd_set_flush_dcache(1);
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+
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+ return 0;
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+}
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+
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+void lcd_ctrl_init(void *lcdbase)
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+{
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+ ulong start;
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+ int ret;
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+
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+ start = get_timer(0);
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+ ret = tegra124_lcd_init(lcdbase);
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+ debug("LCD init took %lu ms\n", get_timer(start));
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+ if (ret)
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+ printf("%s: Error %d\n", __func__, ret);
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+}
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+
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+void lcd_enable(void)
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+{
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+}
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