[U-Boot] [PATCH 25/25] Blackfin: add support for BF527-EZKIT v2.1
Mike Frysinger
vapier at gentoo.org
Thu Dec 17 03:44:10 CET 2009
From: Michael Hennerich <michael.hennerich at analog.com>
The new board revision has a different LCD.
Signed-off-by: Michael Hennerich <michael.hennerich at analog.com>
Signed-off-by: Mike Frysinger <vapier at gentoo.org>
---
i've removed include/asm-blackfin/bfin_logo_rgb565_230x230.h from the
diffstat since it's so big (120kb) and it's generated output from
easylogo and the Blackfin .tga.
MAINTAINERS | 1 +
MAKEALL | 1 +
Makefile | 5 +-
board/bf527-ezkit/video.c | 144 +++-
include/asm-blackfin/bfin_logo_rgb565_230x230.h | 1242 +++++++++++++++++++++++
include/configs/bf527-ezkit.h | 9 +
6 files changed, 1389 insertions(+), 13 deletions(-)
create mode 100644 include/asm-blackfin/bfin_logo_rgb565_230x230.h
diff --git a/MAINTAINERS b/MAINTAINERS
index 2ef158d..ce1845c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -942,6 +942,7 @@ Blackfin Team <u-boot-devel at blackfin.uclinux.org>
BF518F-EZBRD BF518
BF526-EZBRD BF526
BF527-EZKIT BF527
+ BF527-EZKIT-V2 BF527
BF533-EZKIT BF533
BF533-STAMP BF533
BF537-PNAV BF537
diff --git a/MAKEALL b/MAKEALL
index acb35d2..c4577ff 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -869,6 +869,7 @@ LIST_blackfin=" \
bf518f-ezbrd \
bf526-ezbrd \
bf527-ezkit \
+ bf527-ezkit-v2 \
bf533-ezkit \
bf533-stamp \
bf537-minotaur \
diff --git a/Makefile b/Makefile
index 9ce0ecf..4e56efd 100644
--- a/Makefile
+++ b/Makefile
@@ -3565,7 +3565,10 @@ BFIN_BOARDS += bf537-minotaur bf537-srv1 bf561-acvilon blackstamp
BFIN_BOARDS += ibf-dsp561
$(BFIN_BOARDS:%=%_config) : unconfig
- @$(MKCONFIG) $(@:_config=) blackfin blackfin $(@:_config=)
+ @$(MKCONFIG) $(MKCONFIG_$(@:_config=)) $(@:_config=) blackfin blackfin $(@:_config=)
+
+bf527-ezkit-v2_config : unconfig
+ @$(MKCONFIG) -t BF527_EZKIT_REV_2_1 bf527-ezkit blackfin blackfin bf527-ezkit
#========================================================================
# AVR32
diff --git a/board/bf527-ezkit/video.c b/board/bf527-ezkit/video.c
index 0b6b7b2..7054273 100644
--- a/board/bf527-ezkit/video.c
+++ b/board/bf527-ezkit/video.c
@@ -12,27 +12,96 @@
#include <malloc.h>
#include <asm/blackfin.h>
#include <asm/mach-common/bits/dma.h>
-#include <i2c.h>
+#include <spi.h>
#include <linux/types.h>
#include <stdio_dev.h>
int gunzip(void *, int, unsigned char *, unsigned long *);
-#define DMA_SIZE16 2
-
#include <asm/mach-common/bits/ppi.h>
#include <asm/mach-common/bits/timer.h>
+#ifdef CONFIG_MK_BF527_EZKIT_REV_2_1 /* lq035q1 */
+
+#define LCD_X_RES 320 /* Horizontal Resolution */
+#define LCD_Y_RES 240 /* Vertical Resolution */
+#define DMA_BUS_SIZE 16
+
+#if !(defined(CONFIG_LQ035Q1_USE_RGB888_8_BIT_PPI) || defined(CONFIG_LQ035Q1_USE_RGB565_8_BIT_PPI))
+#define CONFIG_LQ035Q1_USE_RGB565_8_BIT_PPI
+#endif
+
+/* Interface 16/18-bit TFT over an 8-bit wide PPI using a small Programmable Logic Device (CPLD)
+ * http://blackfin.uclinux.org/gf/project/stamp/frs/?action=FrsReleaseBrowse&frs_package_id=165
+ */
+
+#ifdef CONFIG_LQ035Q1_USE_RGB565_8_BIT_PPI
+#include <asm/bfin_logo_rgb565_230x230.h>
+#define LCD_BPP 16 /* Bit Per Pixel */
+#define CLOCKS_PER_PIX 2
+#define CPLD_PIPELINE_DELAY_COR 3 /* RGB565 */
+#endif
+
+#ifdef CONFIG_LQ035Q1_USE_RGB888_8_BIT_PPI
+#include <asm/bfin_logo_230x230.h>
+#define LCD_BPP 24 /* Bit Per Pixel */
+#define CLOCKS_PER_PIX 3
+#define CPLD_PIPELINE_DELAY_COR 5 /* RGB888 */
+#endif
+
+ /*
+ * HS and VS timing parameters (all in number of PPI clk ticks)
+ */
+
+#define U_LINE 4 /* Blanking Lines */
+
+#define H_ACTPIX (LCD_X_RES * CLOCKS_PER_PIX) /* active horizontal pixel */
+#define H_PERIOD (336 * CLOCKS_PER_PIX) /* HS period */
+#define H_PULSE (2 * CLOCKS_PER_PIX) /* HS pulse width */
+#define H_START (7 * CLOCKS_PER_PIX + CPLD_PIPELINE_DELAY_COR) /* first valid pixel */
+
+#define V_LINES (LCD_Y_RES + U_LINE) /* total vertical lines */
+#define V_PULSE (2 * CLOCKS_PER_PIX) /* VS pulse width (1-5 H_PERIODs) */
+#define V_PERIOD (H_PERIOD * V_LINES) /* VS period */
+
+#define ACTIVE_VIDEO_MEM_OFFSET ((U_LINE / 2) * LCD_X_RES * (LCD_BPP / 8))
+
+/*
+ * LCD Modes
+ */
+#define LQ035_RL (0 << 8) /* Right -> Left Scan */
+#define LQ035_LR (1 << 8) /* Left -> Right Scan */
+#define LQ035_TB (1 << 9) /* Top -> Botton Scan */
+#define LQ035_BT (0 << 9) /* Botton -> Top Scan */
+#define LQ035_BGR (1 << 11) /* Use BGR format */
+#define LQ035_RGB (0 << 11) /* Use RGB format */
+#define LQ035_NORM (1 << 13) /* Reversal */
+#define LQ035_REV (0 << 13) /* Reversal */
+
+#define LQ035_INDEX 0x74
+#define LQ035_DATA 0x76
+
+#define LQ035_DRIVER_OUTPUT_CTL 0x1
+#define LQ035_SHUT_CTL 0x11
+
+#define LQ035_DRIVER_OUTPUT_MASK (LQ035_LR | LQ035_TB | LQ035_BGR | LQ035_REV)
+#define LQ035_DRIVER_OUTPUT_DEFAULT (0x2AEF & ~LQ035_DRIVER_OUTPUT_MASK)
+
+#define LQ035_SHUT (1 << 0) /* Shutdown */
+#define LQ035_ON (0 << 0) /* Shutdown */
+
+#ifndef CONFIG_LQ035Q1_LCD_MODE
+#define CONFIG_LQ035Q1_LCD_MODE (LQ035_NORM | LQ035_RL | LQ035_TB | LQ035_BGR)
+#endif
+
+#else /* t350mcqb */
#include <asm/bfin_logo_230x230.h>
#define LCD_X_RES 320 /* Horizontal Resolution */
#define LCD_Y_RES 240 /* Vertical Resolution */
-#define LCD_BPP 24 /* Bit Per Pixel */
-#define LCD_PIXEL_SIZE (LCD_BPP / 8)
+#define LCD_BPP 24 /* Bit Per Pixel */
#define DMA_BUS_SIZE 16
-#define LCD_CLK (12*1000*1000) /* 12MHz */
-
#define CLOCKS_PER_PIX 3
/* HS and VS timing parameters (all in number of PPI clk ticks) */
@@ -48,6 +117,10 @@ int gunzip(void *, int, unsigned char *, unsigned long *);
#define V_PERIOD (H_PERIOD * V_LINES) /* VS period */
#define ACTIVE_VIDEO_MEM_OFFSET (U_LINE * H_ACTPIX)
+#endif
+
+#define LCD_PIXEL_SIZE (LCD_BPP / 8)
+#define DMA_SIZE16 2
#define PPI_TX_MODE 0x2
#define PPI_XFER_TYPE_11 0xC
@@ -55,6 +128,40 @@ int gunzip(void *, int, unsigned char *, unsigned long *);
#define PPI_PACK_EN 0x80
#define PPI_POLS_1 0x8000
+#ifdef CONFIG_MK_BF527_EZKIT_REV_2_1
+static struct spi_slave *slave;
+static int lq035q1_control(unsigned char reg, unsigned short value)
+{
+ int ret;
+ u8 regs[3] = {LQ035_INDEX, 0, 0};
+ u8 data[3] = {LQ035_DATA, 0, 0};
+ u8 dummy[3];
+
+ regs[2] = reg;
+ data[1] = value >> 8;
+ data[2] = value & 0xFF;
+
+ if (!slave) {
+ /* FIXME: Verify the max SCK rate */
+ slave = spi_setup_slave(CONFIG_LQ035Q1_SPI_BUS,
+ CONFIG_LQ035Q1_SPI_CS, 20000000,
+ SPI_MODE_3);
+ if (!slave)
+ return -1;
+ }
+
+ if (spi_claim_bus(slave))
+ return -1;
+
+ ret = spi_xfer(slave, 24, regs, dummy, SPI_XFER_BEGIN | SPI_XFER_END);
+ ret |= spi_xfer(slave, 24, data, dummy, SPI_XFER_BEGIN | SPI_XFER_END);
+
+ spi_release_bus(slave);
+
+ return ret;
+}
+#endif
+
/* enable and disable PPI functions */
void EnablePPI(void)
{
@@ -82,7 +189,7 @@ void Init_PPI(void)
*pPPI_DELAY = H_START;
*pPPI_COUNT = (H_ACTPIX-1);
- *pPPI_FRAME = 0;
+ *pPPI_FRAME = V_LINES;
/* PPI control, to be replaced with definitions */
*pPPI_CONTROL = PPI_TX_MODE | /* output mode , PORT_DIR */
@@ -111,7 +218,6 @@ void Init_DMA(void *dst)
FLOW_AUTO; /* autobuffer mode */
}
-
void EnableDMA(void)
{
*pDMA0_CONFIG |= DMAEN;
@@ -156,7 +262,6 @@ void DisableTIMER0(void)
SSYNC();
}
-
void InitTIMER1(void)
{
*pTIMER_DISABLE |= TIMDIS1; /* disable Timer */
@@ -180,19 +285,30 @@ void InitTIMER1(void)
void EnableTIMER1(void)
{
- *pTIMER_ENABLE |= TIMEN1;
+ *pTIMER_ENABLE |= TIMEN1;
SSYNC();
}
void DisableTIMER1(void)
{
- *pTIMER_DISABLE |= TIMDIS1;
+ *pTIMER_DISABLE |= TIMDIS1;
+ SSYNC();
+}
+
+void EnableTIMER12(void)
+{
+ *pTIMER_ENABLE |= TIMEN1 | TIMEN0;
SSYNC();
}
int video_init(void *dst)
{
+#ifdef CONFIG_MK_BF527_EZKIT_REV_2_1
+ lq035q1_control(LQ035_SHUT_CTL, LQ035_ON);
+ lq035q1_control(LQ035_DRIVER_OUTPUT_CTL, (CONFIG_LQ035Q1_LCD_MODE &
+ LQ035_DRIVER_OUTPUT_MASK) | LQ035_DRIVER_OUTPUT_DEFAULT);
+#endif
Init_Ports();
Init_DMA(dst);
EnableDMA();
@@ -201,6 +317,9 @@ int video_init(void *dst)
Init_PPI();
EnablePPI();
+#ifdef CONFIG_MK_BF527_EZKIT_REV_2_1
+ EnableTIMER12();
+#else
/* Frame sync 2 (VS) needs to start at least one PPI clk earlier */
EnableTIMER1();
/* Add Some Delay ... */
@@ -211,6 +330,7 @@ int video_init(void *dst)
/* now start frame sync 1 */
EnableTIMER0();
+#endif
return 0;
}
diff --git a/include/configs/bf527-ezkit.h b/include/configs/bf527-ezkit.h
index c7322b8..7800c32 100644
--- a/include/configs/bf527-ezkit.h
+++ b/include/configs/bf527-ezkit.h
@@ -155,6 +155,15 @@
/*
+ * Video Settings
+ */
+#ifdef CONFIG_MK_BF527_EZKIT_REV_2_1
+# define CONFIG_LQ035Q1_SPI_BUS 0
+# define CONFIG_LQ035Q1_SPI_CS 7
+#endif
+
+
+/*
* Misc Settings
*/
#define CONFIG_MISC_INIT_R
--
1.6.5.5
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