summaryrefslogtreecommitdiff
path: root/arch/arm/cpu/armv7/tegra2
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu/armv7/tegra2')
-rw-r--r--arch/arm/cpu/armv7/tegra2/Makefile2
-rw-r--r--arch/arm/cpu/armv7/tegra2/display.c255
-rw-r--r--arch/arm/cpu/armv7/tegra2/pwfm.c37
3 files changed, 1 insertions, 293 deletions
diff --git a/arch/arm/cpu/armv7/tegra2/Makefile b/arch/arm/cpu/armv7/tegra2/Makefile
index ff2168483d..76457d9cf6 100644
--- a/arch/arm/cpu/armv7/tegra2/Makefile
+++ b/arch/arm/cpu/armv7/tegra2/Makefile
@@ -33,7 +33,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).o
SOBJS-y :=
-COBJS-y := board.o display.o pinmux.o pwfm.o sys_info.o
+COBJS-y := board.o pinmux.o sys_info.o
COBJS-$(CONFIG_TEGRA2_LP0) += warmboot.o
COBJS-$(CONFIG_TEGRA2_LP0) += warmboot_avp.o
diff --git a/arch/arm/cpu/armv7/tegra2/display.c b/arch/arm/cpu/armv7/tegra2/display.c
deleted file mode 100644
index a653f3aa27..0000000000
--- a/arch/arm/cpu/armv7/tegra2/display.c
+++ /dev/null
@@ -1,255 +0,0 @@
-/*
- * (C) Copyright 2010
- * NVIDIA Corporation <www.nvidia.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <asm/io.h>
-#include <asm/arch-tegra/bitfield.h>
-#include <asm/arch-tegra/clk_rst.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/timer.h>
-#include <asm/arch/tegra.h>
-#include <asm/arch-tegra/display.h>
-#include <asm/arch-tegra/dc.h>
-#include <common.h>
-#include "fdt_decode.h"
-
-static void update_window(struct dc_ctlr *dc, struct disp_ctl_win *win)
-{
- unsigned h_dda, v_dda;
- unsigned long val;
-
- bf_writel(WINDOW_A_SELECT, 1, &dc->cmd.disp_win_header);
-
- writel(win->fmt, &dc->win.color_depth);
- bf_enum_writel(BYTE_SWAP, NOSWAP, &dc->win.byte_swap);
-
- val = bf_pack(H_POSITION, win->out_x);
- val |= bf_pack(V_POSITION, win->out_y);
- writel(val, &dc->win.pos);
-
- val = bf_pack(H_SIZE, win->out_w);
- val |= bf_pack(V_SIZE, win->out_h);
- writel(val, &dc->win.size);
-
- val = bf_pack(H_PRESCALED_SIZE, win->w * win->bpp / 8);
- val |= bf_pack(V_PRESCALED_SIZE, win->h);
- writel(val, &dc->win.prescaled_size);
-
- writel(0, &dc->win.h_initial_dda);
- writel(0, &dc->win.v_initial_dda);
-
- h_dda = (win->w * 0x1000) / max(win->out_w - 1, 1);
- v_dda = (win->h * 0x1000) / max(win->out_h - 1, 1);
-
- val = bf_pack(H_DDA_INC, h_dda);
- val |= bf_pack(V_DDA_INC, v_dda);
- writel(val, &dc->win.dda_increment);
-
- writel(win->stride, &dc->win.line_stride);
- writel(0, &dc->win.buf_stride);
-
- val = bf_ones(WIN_ENABLE);
- if (win->bpp < 24)
- val |= bf_ones(COLOR_EXPAND);
- writel(val, &dc->win.win_opt);
-
- writel((unsigned long)win->phys_addr, &dc->winbuf.start_addr);
- writel(win->x, &dc->winbuf.addr_h_offset);
- writel(win->y, &dc->winbuf.addr_v_offset);
-
- writel(0xff00, &dc->win.blend_nokey);
- writel(0xff00, &dc->win.blend_1win);
-
- val = bf_ones(GENERAL_ACT_REQ) | bf_ones(WIN_A_ACT_REQ);
- val |= bf_ones(GENERAL_UPDATE) | bf_ones(WIN_A_UPDATE);
- writel(val, &dc->cmd.state_ctrl);
-}
-
-static void write_pair(struct fdt_lcd *config, int item, u32 *reg)
-{
- writel(config->horiz_timing[item] |
- (config->vert_timing[item] << 16), reg);
-}
-
-static int update_display_mode(struct dc_disp_reg *disp,
- struct fdt_lcd *config)
-{
- unsigned long val;
- unsigned long rate;
- unsigned long div;
-
- writel(0x0, &disp->disp_timing_opt);
- write_pair(config, FDT_LCD_TIMING_REF_TO_SYNC, &disp->ref_to_sync);
- write_pair(config, FDT_LCD_TIMING_SYNC_WIDTH, &disp->sync_width);
- write_pair(config, FDT_LCD_TIMING_BACK_PORCH, &disp->back_porch);
- write_pair(config, FDT_LCD_TIMING_FRONT_PORCH, &disp->front_porch);
-
- writel(config->width | (config->height << 16), &disp->disp_active);
-
- val = bf_pack(DE_SELECT, DE_SELECT_ACTIVE);
- val |= bf_enum(DE_CONTROL, NORMAL);
- writel(val, &disp->data_enable_opt);
-
- val = bf_enum(DATA_FORMAT, DF1P1C);
- val |= bf_enum(DATA_ALIGNMENT, MSB);
- val |= bf_enum(DATA_ORDER, RED_BLUE);
- writel(val, &disp->disp_interface_ctrl);
-
- /*
- * The pixel clock divider is in 7.1 format (where the bottom bit
- * represents 0.5). Here we calculate the divider needed to get from
- * the display clock (typically 600MHz) to the pixel clock. We round
- * up or down as requried.
- */
- rate = clock_get_periph_rate(PERIPH_ID_DISP1, CLOCK_ID_CGENERAL);
- div = ((rate * 2 + config->pixel_clock / 2) / config->pixel_clock) - 2;
- debug("Display clock %lu, divider %lu\n", rate, div);
-
- writel(0x00010001, &disp->shift_clk_opt);
-
- val = bf_enum(PIXEL_CLK_DIVIDER, PCD1);
- val |= bf_pack(SHIFT_CLK_DIVIDER, div);
- writel(val, &disp->disp_clk_ctrl);
-
- return 0;
-}
-
-/* Start up the display and turn on power to PWMs */
-static void basic_init(struct dc_cmd_reg *cmd)
-{
- u32 val;
-
- writel(0x00000100, &cmd->gen_incr_syncpt_ctrl);
- writel(0x0000011a, &cmd->cont_syncpt_vsync);
- writel(0x00000000, &cmd->int_type);
- writel(0x00000000, &cmd->int_polarity);
- writel(0x00000000, &cmd->int_mask);
- writel(0x00000000, &cmd->int_enb);
-
- val = bf_ones(PW0_ENABLE) | bf_ones(PW1_ENABLE) | bf_ones(PW2_ENABLE);
- val |= bf_ones(PW3_ENABLE) | bf_ones(PW4_ENABLE) | bf_ones(PM0_ENABLE);
- val |= bf_ones(PM1_ENABLE);
- writel(val, &cmd->disp_pow_ctrl);
-
- bf_enum_writel(CTRL_MODE, C_DISPLAY, &cmd->disp_cmd);
-}
-
-static void basic_init_timer(struct dc_disp_reg *disp)
-{
- writel(0x00000020, &disp->mem_high_pri);
- writel(0x00000001, &disp->mem_high_pri_timer);
-}
-
-static const u32 rgb_enb_tab[PIN_REG_COUNT] = {
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00000000,
-};
-
-static const u32 rgb_polarity_tab[PIN_REG_COUNT] = {
- 0x00000000,
- 0x01000000,
- 0x00000000,
- 0x00000000,
-};
-
-static const u32 rgb_data_tab[PIN_REG_COUNT] = {
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00000000,
-};
-
-static const u32 rgb_sel_tab[PIN_OUTPUT_SEL_COUNT] = {
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00210222,
- 0x00002200,
- 0x00020000,
-};
-
-static void rgb_enable(struct dc_com_reg *com)
-{
- int i;
-
- for (i = 0; i < PIN_REG_COUNT; i++) {
- writel(rgb_enb_tab[i], &com->pin_output_enb[i]);
- writel(rgb_polarity_tab[i], &com->pin_output_polarity[i]);
- writel(rgb_data_tab[i], &com->pin_output_data[i]);
- }
-
- for (i = 0; i < PIN_OUTPUT_SEL_COUNT; i++)
- writel(rgb_sel_tab[i], &com->pin_output_sel[i]);
-}
-
-void setup_window(struct disp_ctl_win *win, struct fdt_lcd *config)
-{
- win->x = 0;
- win->y = 0;
- win->w = config->width;
- win->h = config->height;
- win->out_x = 0;
- win->out_y = 0;
- win->out_w = config->width;
- win->out_h = config->height;
- win->phys_addr = config->frame_buffer;
- /* Is this easier to understand than 1 << (x - 3) ? */
- win->stride = config->width * (1 << config->log2_bpp) / 8;
- switch (config->log2_bpp) {
- case 5:
- case 24:
- win->fmt = COLOR_DEPTH_R8G8B8A8;
- win->bpp = 32;
- break;
- case 4:
- win->fmt = COLOR_DEPTH_B5G6R5;
- win->bpp = 16;
- break;
-
- default:
- printf("Unsupported LCD bit depth");
- return;
- }
-}
-
-void tegra2_display_register(struct fdt_lcd *config)
-{
- struct disp_ctl_win window;
- struct dc_ctlr *dc = (struct dc_ctlr *)config->reg;
-
- reset_set_enable(PERIPH_ID_DISP1, 1);
- udelay(20);
- reset_set_enable(PERIPH_ID_DISP1, 0);
-
- basic_init(&dc->cmd);
- basic_init_timer(&dc->disp);
- rgb_enable(&dc->com);
-
- if (config->pixel_clock)
- update_display_mode(&dc->disp, config);
-
- setup_window(&window, config);
- update_window(dc, &window);
-}
diff --git a/arch/arm/cpu/armv7/tegra2/pwfm.c b/arch/arm/cpu/armv7/tegra2/pwfm.c
deleted file mode 100644
index 5ef4363082..0000000000
--- a/arch/arm/cpu/armv7/tegra2/pwfm.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (c) 2011 The Chromium OS Authors.
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/* Tegra2 pulse width frequency modulator definitions */
-
-#include <asm/io.h>
-#include <asm/arch-tegra/bitfield.h>
-#include <asm/arch-tegra/pwfm.h>
-
-void pwfm_setup(struct pwfm_ctlr *pwfm, int enable, int pulse_width,
- int freq_divider)
-{
- u32 reg;
-
- reg = bf_pack(PWFM_ENABLE, enable) |
- bf_pack(PWFM_WIDTH, pulse_width) |
- bf_pack(PWFM_DIVIDER, freq_divider);
- writel(reg, &pwfm->control);
-}