diff options
Diffstat (limited to 'recipes/u-boot/u-boot-1.1.4/at32stk1000/atstk1000-ltv350qv-display-support.patch')
| -rw-r--r-- | recipes/u-boot/u-boot-1.1.4/at32stk1000/atstk1000-ltv350qv-display-support.patch | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/recipes/u-boot/u-boot-1.1.4/at32stk1000/atstk1000-ltv350qv-display-support.patch b/recipes/u-boot/u-boot-1.1.4/at32stk1000/atstk1000-ltv350qv-display-support.patch new file mode 100644 index 0000000000..57c0fae127 --- /dev/null +++ b/recipes/u-boot/u-boot-1.1.4/at32stk1000/atstk1000-ltv350qv-display-support.patch @@ -0,0 +1,163 @@ +diff -uprN u-boot-orig/board/atstk1000/ltv350qv.c u-boot/board/atstk1000/ltv350qv.c +--- u-boot-orig/board/atstk1000/ltv350qv.c 1970-01-01 01:00:00.000000000 +0100 ++++ u-boot/board/atstk1000/ltv350qv.c 2007-01-02 15:17:32.000000000 +0100 +@@ -0,0 +1,147 @@ ++/* ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * 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 <common.h> ++ ++#ifdef CONFIG_LCD ++#ifndef CONFIG_SPI ++#error No SPI controller for LCD setup, enable CFG_SPI ++#endif ++ ++#include <spi.h> ++ ++#ifdef CONFIG_ATMEL_SPI ++#include <atmel_spi.h> ++#endif ++ ++static int ltv350qv_write_reg(u8 reg, u16 val) ++{ ++ int ret; ++ u8 buffer[3]; ++ ++ buffer[0] = 0x74; ++ buffer[1] = 0x00; ++ buffer[2] = reg & 0x7f; ++ ++ ret = spi_write(&buffer[0], 1, &buffer[1], 2); ++ if (ret != 3) { ++ printf("spi_write returned %d\n", ret); ++ return -1; ++ } ++ ++ buffer[0] = 0x76; ++ buffer[1] = val >> 8; ++ buffer[2] = val; ++ ++ ret = spi_write(&buffer[0], 1, &buffer[1], 2); ++ if (ret != 3) { ++ printf("spi_write returned %d\n", ret); ++ return -1; ++ } ++ ++ return 0; ++} ++ ++#define write_reg(reg, val) \ ++ do { \ ++ ret = ltv350qv_write_reg(reg, val); \ ++ if (ret) \ ++ goto out; \ ++ } while (0) ++ ++void ltv350qv_power_on(void) ++{ ++ int ret; ++ ++#ifdef CONFIG_ATMEL_SPI ++ spi_select_chip(1); ++#endif ++ ++ debug ("ltv350qv: do power on sequence\n"); ++ ++ /* write startup procedure */ ++ write_reg(9, 0x0000); ++ udelay(15000); ++ write_reg(9, 0x4000); ++ write_reg(10, 0x2000); ++ write_reg(9, 0x4055); ++ udelay(55000); ++ write_reg(1, 0x409d); ++ write_reg(2, 0x0204); ++ write_reg(3, 0x0100); ++ write_reg(4, 0x3000); ++ write_reg(5, 0x4003); ++ write_reg(6, 0x000a); ++ write_reg(7, 0x0021); ++ write_reg(8, 0x0c00); ++ write_reg(10, 0x0103); ++ write_reg(11, 0x0301); ++ write_reg(12, 0x1f0f); ++ write_reg(13, 0x1f0f); ++ write_reg(14, 0x0707); ++ write_reg(15, 0x0307); ++ write_reg(16, 0x0707); ++ write_reg(17, 0x0000); ++ write_reg(18, 0x0004); ++ write_reg(19, 0x0000); ++ ++ udelay(20000); ++ write_reg(9, 0x4a55); ++ write_reg(5, 0x5003); ++ ++ debug ("ltv350qv: power on sequence done\n"); ++out: ++ return; ++} ++ ++void ltv350qv_power_off(void) ++{ ++ int ret; ++ ++#ifdef CONFIG_ATMEL_SPI ++ spi_select_chip(1); ++#endif ++ ++ debug ("ltv350qv: do power off sequence\n"); ++ /* GON -> 0, POC -> 0 */ ++ write_reg(9, 0x4055); ++ /* DSC -> 0 */ ++ write_reg(5, 0x4003); ++ /* VCOMG -> 0 */ ++ write_reg(10, 0x2103); ++ ++ udelay(1000000); ++ ++ /* AP[2:0] -> 000 */ ++ write_reg(9, 0x4050); ++ ++ debug ("ltv350qv: power off sequence done\n"); ++out: ++ return; ++} ++ ++void ltv350qv_init(void) ++{ ++ debug ("ltv350qv: initializing LTV350QV panel\n"); ++ ltv350qv_power_on(); ++} ++ ++#endif +diff -uprN u-boot-orig/board/atstk1000/Makefile u-boot/board/atstk1000/Makefile +--- u-boot-orig/board/atstk1000/Makefile 2007-01-01 19:26:46.000000000 +0100 ++++ u-boot/board/atstk1000/Makefile 2007-01-01 16:23:12.000000000 +0100 +@@ -30,7 +30,7 @@ endif + + LIB := lib$(BOARD).a + +-SRC := $(BOARD).c $(DAUGHTERBOARD).c eth.c flash.c ++SRC := $(BOARD).c $(DAUGHTERBOARD).c eth.c flash.c ltv350qv.c + SRC += spi.c + OBJS := $(addsuffix .o,$(basename $(SRC))) + |