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-rw-r--r--cpu/pxa/Makefile2
-rw-r--r--cpu/pxa/cpu.c19
-rw-r--r--cpu/pxa/mmc.c483
-rw-r--r--cpu/pxa/pxafb.c1089
4 files changed, 1592 insertions, 1 deletions
diff --git a/cpu/pxa/Makefile b/cpu/pxa/Makefile
index 778a664..1af53d6 100644
--- a/cpu/pxa/Makefile
+++ b/cpu/pxa/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
LIB = lib$(CPU).a
START = start.o
-OBJS = serial.o interrupts.o cpu.o i2c.o
+OBJS = serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o
all: .depend $(START) $(LIB)
diff --git a/cpu/pxa/cpu.c b/cpu/pxa/cpu.c
index 6a3c24d..cc9b3ff 100644
--- a/cpu/pxa/cpu.c
+++ b/cpu/pxa/cpu.c
@@ -32,6 +32,7 @@
#include <common.h>
#include <command.h>
+#include <asm/arch/pxa-regs.h>
int cpu_init (void)
{
@@ -150,3 +151,21 @@ int dcache_status (void)
{
return 0; /* always off */
}
+
+void set_GPIO_mode(int gpio_mode)
+{
+ int gpio = gpio_mode & GPIO_MD_MASK_NR;
+ int fn = (gpio_mode & GPIO_MD_MASK_FN) >> 8;
+ int gafr;
+
+ if (gpio_mode & GPIO_MD_MASK_DIR)
+ {
+ GPDR(gpio) |= GPIO_bit(gpio);
+ }
+ else
+ {
+ GPDR(gpio) &= ~GPIO_bit(gpio);
+ }
+ gafr = GAFR(gpio) & ~(0x3 << (((gpio) & 0xf)*2));
+ GAFR(gpio) = gafr | (fn << (((gpio) & 0xf)*2));
+}
diff --git a/cpu/pxa/mmc.c b/cpu/pxa/mmc.c
new file mode 100644
index 0000000..783e90c
--- /dev/null
+++ b/cpu/pxa/mmc.c
@@ -0,0 +1,483 @@
+/*
+ * (C) Copyright 2003
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * 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 <config.h>
+#include <common.h>
+#include <mmc.h>
+#include <asm/errno.h>
+#include <asm/arch/hardware.h>
+
+#ifdef CONFIG_MMC
+
+extern int
+fat_register_read(int(*block_read)(int device, ulong blknr, ulong blkcnt, uchar *buffer));
+
+/*
+ * FIXME needs to read cid and csd info to determine block size
+ * and other parameters
+ */
+static uchar mmc_buf[MMC_BLOCK_SIZE];
+static mmc_csd_t mmc_csd;
+static int mmc_ready = 0;
+
+
+static uchar *
+/****************************************************/
+mmc_cmd(ushort cmd, ushort argh, ushort argl, ushort cmdat)
+/****************************************************/
+{
+ static uchar resp[20];
+ ulong status;
+ int words, i;
+
+ debug("mmc_cmd %x %x %x %x\n", cmd, argh, argl, cmdat);
+ MMC_STRPCL = MMC_STRPCL_STOP_CLK;
+ MMC_I_MASK = ~MMC_I_MASK_CLK_IS_OFF;
+ while (!(MMC_I_REG & MMC_I_REG_CLK_IS_OFF));
+ MMC_CMD = cmd;
+ MMC_ARGH = argh;
+ MMC_ARGL = argl;
+ MMC_CMDAT = cmdat;
+ MMC_I_MASK = ~MMC_I_MASK_END_CMD_RES;
+ MMC_STRPCL = MMC_STRPCL_START_CLK;
+ while (!(MMC_I_REG & MMC_I_REG_END_CMD_RES));
+
+ status = MMC_STAT;
+ debug("MMC status %x\n", status);
+ if (status & MMC_STAT_TIME_OUT_RESPONSE)
+ {
+ return 0;
+ }
+
+ switch (cmdat & 0x3)
+ {
+ case MMC_CMDAT_R1:
+ case MMC_CMDAT_R3:
+ words = 3;
+ break;
+
+ case MMC_CMDAT_R2:
+ words = 8;
+ break;
+
+ default:
+ return 0;
+ }
+ for (i = words-1; i >= 0; i--)
+ {
+ ulong res_fifo = MMC_RES;
+ int offset = i << 1;
+
+ resp[offset] = ((uchar *)&res_fifo)[0];
+ resp[offset+1] = ((uchar *)&res_fifo)[1];
+ }
+#ifdef MMC_DEBUG
+ for (i=0; i<words*2; i += 2)
+ {
+ printf("MMC resp[%d] = %02x\n", i, resp[i]);
+ printf("MMC resp[%d] = %02x\n", i+1, resp[i+1]);
+ }
+#endif
+ return resp;
+}
+
+int
+/****************************************************/
+mmc_block_read(uchar *dst, ulong src, ulong len)
+/****************************************************/
+{
+ uchar *resp;
+ ushort argh, argl;
+ ulong status;
+
+ if (len == 0)
+ {
+ return 0;
+ }
+
+ debug("mmc_block_rd dst %lx src %lx len %d\n", (ulong)dst, src, len);
+
+ argh = len >> 16;
+ argl = len & 0xffff;
+
+ /* set block len */
+ resp = mmc_cmd(MMC_CMD_SET_BLOCKLEN, argh, argl, MMC_CMDAT_R1);
+
+ /* send read command */
+ argh = src >> 16;
+ argl = src & 0xffff;
+ MMC_STRPCL = MMC_STRPCL_STOP_CLK;
+ MMC_RDTO = 0xffff;
+ MMC_NOB = 1;
+ MMC_BLKLEN = len;
+ resp = mmc_cmd(MMC_CMD_READ_BLOCK, argh, argl,
+ MMC_CMDAT_R1|MMC_CMDAT_READ|MMC_CMDAT_BLOCK|MMC_CMDAT_DATA_EN);
+
+
+ MMC_I_MASK = ~MMC_I_MASK_RXFIFO_RD_REQ;
+ while (len)
+ {
+ if (MMC_I_REG & MMC_I_REG_RXFIFO_RD_REQ)
+ {
+ *dst++ = MMC_RXFIFO;
+ len--;
+ }
+ status = MMC_STAT;
+ if (status & MMC_STAT_ERRORS)
+ {
+ printf("MMC_STAT error %lx\n", status);
+ return -1;
+ }
+ }
+ MMC_I_MASK = ~MMC_I_MASK_DATA_TRAN_DONE;
+ while (!(MMC_I_REG & MMC_I_REG_DATA_TRAN_DONE));
+ status = MMC_STAT;
+ if (status & MMC_STAT_ERRORS)
+ {
+ printf("MMC_STAT error %lx\n", status);
+ return -1;
+ }
+ return 0;
+}
+
+int
+/****************************************************/
+mmc_block_write(ulong dst, uchar *src, int len)
+/****************************************************/
+{
+ uchar *resp;
+ ushort argh, argl;
+ ulong status;
+
+ if (len == 0)
+ {
+ return 0;
+ }
+
+ debug("mmc_block_wr dst %lx src %lx len %d\n", dst, (ulong)src, len);
+
+ argh = len >> 16;
+ argl = len & 0xffff;
+
+ /* set block len */
+ resp = mmc_cmd(MMC_CMD_SET_BLOCKLEN, argh, argl, MMC_CMDAT_R1);
+
+ /* send write command */
+ argh = dst >> 16;
+ argl = dst & 0xffff;
+ MMC_STRPCL = MMC_STRPCL_STOP_CLK;
+ MMC_NOB = 1;
+ MMC_BLKLEN = len;
+ resp = mmc_cmd(MMC_CMD_WRITE_BLOCK, argh, argl,
+ MMC_CMDAT_R1|MMC_CMDAT_WRITE|MMC_CMDAT_BLOCK|MMC_CMDAT_DATA_EN);
+
+ MMC_I_MASK = ~MMC_I_MASK_TXFIFO_WR_REQ;
+ while (len)
+ {
+ if (MMC_I_REG & MMC_I_REG_TXFIFO_WR_REQ)
+ {
+ int i, bytes = min(32,len);
+
+ for (i=0; i<bytes; i++)
+ {
+ MMC_TXFIFO = *src++;
+ }
+ if (bytes < 32)
+ {
+ MMC_PRTBUF = MMC_PRTBUF_BUF_PART_FULL;
+ }
+ len -= bytes;
+ }
+ status = MMC_STAT;
+ if (status & MMC_STAT_ERRORS)
+ {
+ printf("MMC_STAT error %lx\n", status);
+ return -1;
+ }
+ }
+ MMC_I_MASK = ~MMC_I_MASK_DATA_TRAN_DONE;
+ while (!(MMC_I_REG & MMC_I_REG_DATA_TRAN_DONE));
+ MMC_I_MASK = ~MMC_I_MASK_PRG_DONE;
+ while (!(MMC_I_REG & MMC_I_REG_PRG_DONE));
+ status = MMC_STAT;
+ if (status & MMC_STAT_ERRORS)
+ {
+ printf("MMC_STAT error %lx\n", status);
+ return -1;
+ }
+ return 0;
+}
+
+
+int
+/****************************************************/
+mmc_read(ulong src, uchar *dst, int size)
+/****************************************************/
+{
+ ulong end, part_start, part_end, part_len, aligned_start, aligned_end;
+ ulong mmc_block_size, mmc_block_address;
+
+ if (size == 0)
+ {
+ return 0;
+ }
+
+ if (!mmc_ready)
+ {
+ printf("Please initial the MMC first\n");
+ return -1;
+ }
+
+ mmc_block_size = MMC_BLOCK_SIZE;
+ mmc_block_address = ~(mmc_block_size - 1);
+
+ src -= CFG_MMC_BASE;
+ end = src + size;
+ part_start = ~mmc_block_address & src;
+ part_end = ~mmc_block_address & end;
+ aligned_start = mmc_block_address & src;
+ aligned_end = mmc_block_address & end;
+
+ /* all block aligned accesses */
+ debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+ src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+ if (part_start)
+ {
+ part_len = mmc_block_size - part_start;
+ debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+ src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+ if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < 0)
+ {
+ return -1;
+ }
+ memcpy(dst, mmc_buf+part_start, part_len);
+ dst += part_len;
+ src += part_len;
+ }
+ debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+ src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+ for (; src < aligned_end; src += mmc_block_size, dst += mmc_block_size)
+ {
+ debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+ src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+ if ((mmc_block_read((uchar *)(dst), src, mmc_block_size)) < 0)
+ {
+ return -1;
+ }
+ }
+ debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+ src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+ if (part_end && src < end)
+ {
+ debug("pe src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+ src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+ if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0)
+ {
+ return -1;
+ }
+ memcpy(dst, mmc_buf, part_end);
+ }
+ return 0;
+}
+
+int
+/****************************************************/
+mmc_write(uchar *src, ulong dst, int size)
+/****************************************************/
+{
+ ulong end, part_start, part_end, part_len, aligned_start, aligned_end;
+ ulong mmc_block_size, mmc_block_address;
+
+ if (size == 0)
+ {
+ return 0;
+ }
+
+ if (!mmc_ready)
+ {
+ printf("Please initial the MMC first\n");
+ return -1;
+ }
+
+ mmc_block_size = MMC_BLOCK_SIZE;
+ mmc_block_address = ~(mmc_block_size - 1);
+
+ dst -= CFG_MMC_BASE;
+ end = dst + size;
+ part_start = ~mmc_block_address & dst;
+ part_end = ~mmc_block_address & end;
+ aligned_start = mmc_block_address & dst;
+ aligned_end = mmc_block_address & end;
+
+ /* all block aligned accesses */
+ debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+ src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+ if (part_start)
+ {
+ part_len = mmc_block_size - part_start;
+ debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+ (ulong)src, dst, end, part_start, part_end, aligned_start, aligned_end);
+ if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < 0)
+ {
+ return -1;
+ }
+ memcpy(mmc_buf+part_start, src, part_len);
+ if ((mmc_block_write(aligned_start, mmc_buf, mmc_block_size)) < 0)
+ {
+ return -1;
+ }
+ dst += part_len;
+ src += part_len;
+ }
+ debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+ src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+ for (; dst < aligned_end; src += mmc_block_size, dst += mmc_block_size)
+ {
+ debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+ src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+ if ((mmc_block_write(dst, (uchar *)src, mmc_block_size)) < 0)
+ {
+ return -1;
+ }
+ }
+ debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+ src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+ if (part_end && dst < end)
+ {
+ debug("pe src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
+ src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
+ if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0)
+ {
+ return -1;
+ }
+ memcpy(mmc_buf, src, part_end);
+ if ((mmc_block_write(aligned_end, mmc_buf, mmc_block_size)) < 0)
+ {
+ return -1;
+ }
+ }
+ return 0;
+}
+
+int
+/****************************************************/
+mmc_bread(int dev_num, ulong blknr, ulong blkcnt, uchar *dst)
+/****************************************************/
+{
+ int mmc_block_size = MMC_BLOCK_SIZE;
+ ulong src = blknr * mmc_block_size + CFG_MMC_BASE;
+
+ mmc_read(src, (uchar *)dst, blkcnt*mmc_block_size);
+ return blkcnt;
+}
+
+int
+/****************************************************/
+mmc_init(int verbose)
+/****************************************************/
+{
+ int retries, rc = -ENODEV;
+ uchar *resp;
+
+#ifdef CONFIG_LUBBOCK
+ set_GPIO_mode( GPIO6_MMCCLK_MD );
+ set_GPIO_mode( GPIO8_MMCCS0_MD );
+#endif
+ CKEN |= CKEN12_MMC; /* enable MMC unit clock */
+
+ mmc_csd.c_size = 0;
+
+ MMC_CLKRT = MMC_CLKRT_0_3125MHZ;
+ MMC_RESTO = MMC_RES_TO_MAX;
+ MMC_SPI = MMC_SPI_DISABLE;
+
+ /* reset */
+ retries = 10;
+ resp = mmc_cmd(0, 0, 0, 0);
+ resp = mmc_cmd(1, 0x00ff, 0xc000, MMC_CMDAT_INIT|MMC_CMDAT_BUSY|MMC_CMDAT_R3);
+ while (retries-- && resp && !(resp[4] & 0x80))
+ {
+ debug("resp %x %x\n", resp[0], resp[1]);
+ udelay(50);
+ resp = mmc_cmd(1, 0x00ff, 0xff00, MMC_CMDAT_BUSY|MMC_CMDAT_R3);
+ }
+
+ /* try to get card id */
+ resp = mmc_cmd(2, 0, 0, MMC_CMDAT_R2);
+ if (resp)
+ {
+ /* TODO configure mmc driver depending on card attributes */
+ mmc_cid_t *cid = (mmc_cid_t *)resp;
+ if (verbose)
+ {
+ printf("MMC found. Card desciption is:\n");
+ printf("Manufacturer ID = %02x%02x%02x\n",
+ cid->id[0], cid->id[1], cid->id[2]);
+ printf("HW/FW Revision = %x %x\n",cid->hwrev, cid->fwrev);
+ cid->hwrev = cid->fwrev = 0; /* null terminate string */
+ printf("Product Name = %s\n",cid->name);
+ printf("Serial Number = %02x%02x%02x\n",
+ cid->sn[0], cid->sn[1], cid->sn[2]);
+ printf("Month = %d\n",cid->month);
+ printf("Year = %d\n",1997 + cid->year);
+ }
+
+ /* MMC exists, get CSD too */
+ resp = mmc_cmd(MMC_CMD_SET_RCA, MMC_DEFAULT_RCA, 0, MMC_CMDAT_R1);
+ resp = mmc_cmd(MMC_CMD_SEND_CSD, MMC_DEFAULT_RCA, 0, MMC_CMDAT_R2);
+ if (resp)
+ {
+ mmc_csd_t *csd = (mmc_csd_t *)resp;
+ memcpy(&mmc_csd, csd, sizeof(csd));
+ rc = 0;
+ mmc_ready = 1;
+ /* FIXME add verbose printout for csd */
+ }
+ }
+
+ MMC_CLKRT = 0; /* 20 MHz */
+ resp = mmc_cmd(7, MMC_DEFAULT_RCA, 0, MMC_CMDAT_R1);
+
+ fat_register_read(mmc_bread);
+
+ return rc;
+}
+
+int
+mmc_ident(block_dev_desc_t *dev)
+{
+ return 0;
+}
+
+int
+mmc2info(ulong addr)
+{
+ /* FIXME hard codes to 32 MB device */
+ if (addr >= CFG_MMC_BASE && addr < CFG_MMC_BASE + 0x02000000)
+ {
+ return 1;
+ }
+ return 0;
+}
+
+#endif
diff --git a/cpu/pxa/pxafb.c b/cpu/pxa/pxafb.c
new file mode 100644
index 0000000..f6a2575
--- /dev/null
+++ b/cpu/pxa/pxafb.c
@@ -0,0 +1,1089 @@
+/*
+ * (C) Copyright 2001-2002
+ * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
+ *
+ * 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
+ */
+
+/************************************************************************/
+/* ** HEADER FILES */
+/************************************************************************/
+
+#define DEBUG 1
+#include <config.h>
+#include <common.h>
+#include <version.h>
+#include <stdarg.h>
+#include <lcdvideo.h>
+#include <linux/types.h>
+#include <devices.h>
+#include <asm/arch/pxa-regs.h>
+
+#ifdef CONFIG_LCD
+
+/************************************************************************/
+/* ** CONFIG STUFF -- should be moved to board config file */
+/************************************************************************/
+#ifndef CONFIG_EDT32F10
+#define CONFIG_LCD_LOGO
+#define LCD_INFO /* Display Logo, (C) and system info */
+#endif
+
+#ifdef CONFIG_V37
+#undef CONFIG_LCD_LOGO
+#undef LCD_INFO
+#endif
+
+#undef CONFIG_LCD_LOGO
+
+#define LCD_TEST_PATTERN
+/* #define LCD_TEST_PATTERN */ /* color backgnd for frame/color adjust */
+/* #define CFG_INVERT_COLORS */ /* Not needed - adjust vl_dp instead */
+/************************************************************************/
+
+/************************************************************************/
+/* ** FONT AND LOGO DATA */
+/************************************************************************/
+
+#include <video_font.h> /* Get font data, width and height */
+
+#ifdef CONFIG_LCD_LOGO
+# include <bmp_nexus.h> /* Get logo data, width and height */
+#endif
+
+/************************************************************************/
+/************************************************************************/
+
+/*
+ * Information about displays we are using. This is for configuring
+ * the LCD controller and memory allocation. Someone has to know what
+ * is connected, as we can't autodetect anything.
+ */
+#define CFG_HIGH 0 /* Pins are active high */
+#define CFG_LOW 1 /* Pins are active low */
+
+/* PXA LCD DMA descriptor */
+struct pxafb_dma_descriptor {
+ u_long fdadr;
+ u_long fsadr;
+ u_long fidr;
+ u_long ldcmd;
+};
+
+/* PXA LCD info */
+struct pxafb_info {
+
+ /* Misc registers */
+ u_long reg_lccr3;
+ u_long reg_lccr2;
+ u_long reg_lccr1;
+ u_long reg_lccr0;
+ u_long fdadr0;
+ u_long fdadr1;
+
+ /* DMA descriptors */
+ struct pxafb_dma_descriptor * dmadesc_fblow;
+ struct pxafb_dma_descriptor * dmadesc_fbhigh;
+ struct pxafb_dma_descriptor * dmadesc_palette;
+
+ u_long screen; /* physical address of frame buffer */
+ u_long palette; /* physical address of palette memory */
+ u_int palette_size;
+};
+
+typedef struct vidinfo {
+ ushort vl_col; /* Number of columns (i.e. 640) */
+ ushort vl_row; /* Number of rows (i.e. 480) */
+ ushort vl_width; /* Width of display area in millimeters */
+ ushort vl_height; /* Height of display area in millimeters */
+
+ /* LCD configuration register.
+ */
+ u_char vl_clkp; /* Clock polarity */
+ u_char vl_oep; /* Output Enable polarity */
+ u_char vl_hsp; /* Horizontal Sync polarity */
+ u_char vl_vsp; /* Vertical Sync polarity */
+ u_char vl_dp; /* Data polarity */
+ u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
+ u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
+ u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
+ u_char vl_clor; /* Color, 0 = mono, 1 = color */
+ u_char vl_tft; /* 0 = passive, 1 = TFT */
+
+ /* Horizontal control register. Timing from data sheet.
+ */
+ ushort vl_hpw; /* Horz sync pulse width */
+ u_char vl_blw; /* Wait before of line */
+ u_char vl_elw; /* Wait end of line */
+
+ /* Vertical control register.
+ */
+ u_char vl_vpw; /* Vertical sync pulse width */
+ u_char vl_bfw; /* Wait before of frame */
+ u_char vl_efw; /* Wait end of frame */
+
+ u_char vl_lcdac; /* LCD AC timing */
+
+ /* PXA LCD controller params
+ */
+ struct pxafb_info pxa;
+
+} vidinfo_t;
+
+#define LCD_MONOCHROME 0
+#define LCD_COLOR2 1
+#define LCD_COLOR4 2
+#define LCD_COLOR8 3
+#define LCD_COLOR16 4
+
+/*----------------------------------------------------------------------*/
+#define CONFIG_PXA_VGA
+#ifdef CONFIG_PXA_VGA
+/*
+ * LCD outputs connected to a video DAC
+ */
+
+#define LCD_BPP LCD_COLOR8
+
+/* you have to set lccr0 and lccr3 (including pcd) */
+#define REG_LCCR0 0x003008f8
+#define REG_LCCR3 0x0300FF01
+
+/* 640x480x16 @ 61 Hz */
+static vidinfo_t panel_info = {
+ vl_col: 640,
+ vl_row: 480,
+ vl_width: 640,
+ vl_height: 480,
+ vl_clkp: CFG_HIGH,
+ vl_oep: CFG_HIGH,
+ vl_hsp: CFG_HIGH,
+ vl_vsp: CFG_HIGH,
+ vl_dp: CFG_HIGH,
+ vl_bpix: LCD_BPP,
+ vl_lbw: 0,
+ vl_splt: 0,
+ vl_clor: 0,
+ vl_lcdac: 0,
+ vl_tft: 1,
+ vl_hpw: 40,
+ vl_blw: 56,
+ vl_elw: 56,
+ vl_vpw: 20,
+ vl_bfw: 8,
+ vl_efw: 8,
+};
+#endif /* CONFIG_PXA_VIDEO */
+
+#ifdef CONFIG_SHARP_LM8V31
+
+#define LCD_BPP LCD_COLOR8
+#define LCD_INVERT_COLORS /* Needed for colors to be correct, but why? */
+
+/* you have to set lccr0 and lccr3 (including pcd) */
+#define REG_LCCR0 0x0030087C
+#define REG_LCCR3 0x0340FF08
+
+static vidinfo_t panel_info = {
+ vl_col: 640,
+ vl_row: 480,
+ vl_width: 157,
+ vl_height: 118,
+ vl_clkp: CFG_HIGH,
+ vl_oep: CFG_HIGH,
+ vl_hsp: CFG_HIGH,
+ vl_vsp: CFG_HIGH,
+ vl_dp: CFG_HIGH,
+ vl_bpix: LCD_BPP,
+ vl_lbw: 0,
+ vl_splt: 1,
+ vl_clor: 1,
+ vl_lcdac: 0,
+ vl_tft: 0,
+ vl_hpw: 1,
+ vl_blw: 3,
+ vl_elw: 3,
+ vl_vpw: 1,
+ vl_bfw: 0,
+ vl_efw: 0,
+};
+#endif /* CONFIG_SHARP_LM8V31 */
+
+/*----------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------*/
+
+#if defined(LCD_INFO_BELOW_LOGO)
+# define LCD_INFO_X 0
+# define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
+#elif defined(CONFIG_LCD_LOGO)
+# define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
+# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
+#else
+# define LCD_INFO_X (VIDEO_FONT_WIDTH)
+# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
+#endif
+
+#ifndef LCD_BPP
+#define LCD_BPP LCD_COLOR8
+#endif
+#ifndef LCD_DF
+#define LCD_DF 1
+#endif
+
+#define NBITS(bit_code) (1 << (bit_code))
+#define NCOLORS(bit_code) (1 << NBITS(bit_code))
+
+static int lcd_line_length;
+
+static int lcd_color_fg;
+static int lcd_color_bg;
+
+static char lcd_is_enabled = 0; /* Indicate that LCD is enabled */
+
+/*
+ * Frame buffer memory information
+ */
+static void *lcd_base; /* Start of framebuffer memory */
+static void *lcd_console_address; /* Start of console buffer */
+
+
+/************************************************************************/
+/* ** CONSOLE CONSTANTS */
+/************************************************************************/
+
+#if LCD_BPP == LCD_MONOCHROME
+
+/*
+ * Simple color definitions
+ */
+#define CONSOLE_COLOR_BLACK 0
+#define CONSOLE_COLOR_WHITE 1 /* Must remain last / highest */
+
+#elif LCD_BPP == LCD_COLOR8
+
+/*
+ * Simple color definitions
+ */
+#define CONSOLE_COLOR_BLACK 0
+#define CONSOLE_COLOR_RED 1
+#define CONSOLE_COLOR_GREEN 2
+#define CONSOLE_COLOR_YELLOW 3
+#define CONSOLE_COLOR_BLUE 4
+#define CONSOLE_COLOR_MAGENTA 5
+#define CONSOLE_COLOR_CYAN 6
+#define CONSOLE_COLOR_GREY 14
+#define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
+
+#else /* 16 bit */
+
+#define CONSOLE_COLOR_BLACK 0x0000
+#define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
+
+#endif
+
+#if defined(CONFIG_LCD_LOGO) && (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
+#error Default Color Map overlaps with Logo Color Map
+#endif
+
+/************************************************************************/
+
+#ifndef PAGE_SIZE
+#define PAGE_SIZE 4096
+#endif
+
+
+/************************************************************************/
+/* ** CONSOLE DEFINITIONS & FUNCTIONS */
+/************************************************************************/
+
+#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
+#define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
+ / VIDEO_FONT_HEIGHT)
+#else
+#define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
+#endif
+#define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
+#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
+#define CONSOLE_ROW_FIRST (lcd_console_address)
+#define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
+#define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
+ - CONSOLE_ROW_SIZE)
+#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
+#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
+
+#if LCD_BPP == LCD_MONOCHROME
+#define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
+ (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
+#elif LCD_BPP == LCD_COLOR8
+#define COLOR_MASK(c) (c)
+#elif LCD_BPP == LCD_COLOR16
+#define COLOR_MASK(c) (c)
+#else
+#error Unsupported LCD BPP.
+#endif
+
+static short console_col;
+static short console_row;
+
+/************************************************************************/
+
+ulong lcd_setmem (ulong addr);
+
+static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
+static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
+static inline void lcd_putc_xy (ushort x, ushort y, uchar c);
+
+static int lcd_init (void *lcdbase);
+static void lcd_ctrl_init (void *lcdbase);
+static void lcd_enable (void);
+static void *lcd_logo (void);
+#if LCD_BPP == LCD_COLOR8
+static void lcd_setcolreg (ushort regno,
+ ushort red, ushort green, ushort blue);
+#endif
+#if LCD_BPP == LCD_MONOCHROME
+static void lcd_initcolregs (void);
+#endif
+static void lcd_setfgcolor (int color);
+static void lcd_setbgcolor (int color);
+
+#ifdef NOT_USED_SO_FAR
+static int lcd_getbgcolor (void);
+static void lcd_disable (void);
+static void lcd_getcolreg (ushort regno,
+ ushort *red, ushort *green, ushort *blue);
+static int lcd_getfgcolor (void);
+#endif /* NOT_USED_SO_FAR */
+
+
+static int pxafb_init_mem(void *lcdbase, vidinfo_t *vid);
+static void pxafb_setup_gpio(vidinfo_t *vid);
+static void pxafb_enable_controller(vidinfo_t *vid);
+static int pxafb_init(vidinfo_t *vid);
+
+/************************************************************************/
+
+/*----------------------------------------------------------------------*/
+
+static void console_scrollup (void)
+{
+ /* Copy up rows ignoring the first one */
+ memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
+
+ /* Clear the last one */
+ memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
+}
+
+/*----------------------------------------------------------------------*/
+
+static inline void console_back (void)
+{
+ if (--console_col < 0) {
+ console_col = CONSOLE_COLS-1 ;
+ if (--console_row < 0) {
+ console_row = 0;
+ }
+ }
+
+ lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
+ console_row * VIDEO_FONT_HEIGHT,
+ ' ');
+}
+
+/*----------------------------------------------------------------------*/
+
+static inline void console_newline (void)
+{
+ ++console_row;
+ console_col = 0;
+
+ /* Check if we need to scroll the terminal */
+ if (console_row >= CONSOLE_ROWS) {
+ /* Scroll everything up */
+ console_scrollup () ;
+ --console_row;
+ }
+}
+
+/*----------------------------------------------------------------------*/
+
+void lcd_putc (const char c)
+{
+ if (!lcd_is_enabled) {
+ serial_putc(c);
+ return;
+ }
+
+ switch (c) {
+ case '\r': console_col = 0;
+ return;
+
+ case '\n': console_newline();
+ return;
+
+ case '\t': /* Tab (8 chars alignment) */
+ console_col |= 8;
+ console_col &= ~7;
+
+ if (console_col >= CONSOLE_COLS) {
+ console_newline();
+ }
+ return;
+
+ case '\b': console_back();
+ return;
+
+ default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
+ console_row * VIDEO_FONT_HEIGHT,
+ c);
+ if (++console_col >= CONSOLE_COLS) {
+ console_newline();
+ }
+ return;
+ }
+ /* NOTREACHED */
+}
+
+/*----------------------------------------------------------------------*/
+
+void lcd_puts (const char *s)
+{
+ if (!lcd_is_enabled) {
+ serial_puts (s);
+ return;
+ }
+
+ while (*s) {
+ lcd_putc (*s++);
+ }
+}
+
+/************************************************************************/
+/* ** Low-Level Graphics Routines */
+/************************************************************************/
+
+static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
+{
+ uchar *dest;
+ ushort off, row;
+
+ dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
+ off = x * (1 << LCD_BPP) % 8;
+
+ for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
+ uchar *s = str;
+ uchar *d = dest;
+ int i;
+
+#if LCD_BPP == LCD_MONOCHROME
+ uchar rest = *d & -(1 << (8-off));
+ uchar sym;
+#endif
+ for (i=0; i<count; ++i) {
+ uchar c, bits;
+
+ c = *s++;
+ bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
+
+#if LCD_BPP == LCD_MONOCHROME
+ sym = (COLOR_MASK(lcd_color_fg) & bits) |
+ (COLOR_MASK(lcd_color_bg) & ~bits);
+
+ *d++ = rest | (sym >> off);
+ rest = sym << (8-off);
+#elif LCD_BPP == LCD_COLOR8
+ for (c=0; c<8; ++c) {
+ *d++ = (bits & 0x80) ?
+ lcd_color_fg : lcd_color_bg;
+ bits <<= 1;
+ }
+#elif LCD_BPP == LCD_COLOR16
+ for (c=0; c<16; ++c) {
+ *d++ = (bits & 0x80) ?
+ lcd_color_fg : lcd_color_bg;
+ bits <<= 1;
+ }
+#endif
+ }
+
+#if LCD_BPP == LCD_MONOCHROME
+ *d = rest | (*d & ((1 << (8-off)) - 1));
+#endif
+ }
+}
+
+/*----------------------------------------------------------------------*/
+
+static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
+{
+#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
+ lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen (s));
+#else
+ lcd_drawchars (x, y, s, strlen (s));
+#endif
+}
+
+/*----------------------------------------------------------------------*/
+
+static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
+{
+#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
+ lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
+#else
+ lcd_drawchars (x, y, &c, 1);
+#endif
+}
+
+/************************************************************************/
+/** Small utility to check that you got the colours right */
+/************************************************************************/
+#ifdef LCD_TEST_PATTERN
+
+#define N_BLK_VERT 2
+#define N_BLK_HOR 3
+
+static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
+ CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
+ CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
+};
+
+static void test_pattern (void)
+{
+ ushort v_max = panel_info.vl_row;
+ ushort h_max = panel_info.vl_col;
+ ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
+ ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
+ ushort v, h;
+ uchar *pix = (uchar *)lcd_base;
+
+ printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
+ h_max, v_max, h_step, v_step);
+
+ /* WARNING: Code silently assumes 8bit/pixel */
+ for (v=0; v<v_max; ++v) {
+ uchar iy = v / v_step;
+ for (h=0; h<h_max; ++h) {
+ uchar ix = N_BLK_HOR * iy + (h/h_step);
+ *pix++ = test_colors[ix];
+ }
+ }
+}
+#endif /* LCD_TEST_PATTERN */
+
+
+/************************************************************************/
+/* ** GENERIC Initialization Routines */
+/************************************************************************/
+
+int drv_lcd_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ device_t lcddev;
+ int rc;
+
+ lcd_base = (void *)(gd->fb_base);
+
+ lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
+
+ lcd_init (lcd_base); /* LCD initialization */
+
+ /* Device initialization */
+ memset (&lcddev, 0, sizeof (lcddev));
+
+ strcpy (lcddev.name, "lcd");
+ lcddev.ext = 0; /* No extensions */
+ lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
+ lcddev.putc = lcd_putc; /* 'putc' function */
+ lcddev.puts = lcd_puts; /* 'puts' function */
+
+ rc = device_register (&lcddev);
+ return (rc == 0) ? 1 : rc;
+}
+
+/*----------------------------------------------------------------------*/
+
+static int lcd_init (void *lcdbase)
+{
+ /* Initialize the lcd controller */
+ debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
+
+ lcd_ctrl_init (lcdbase);
+
+#if LCD_BPP == LCD_MONOCHROME
+ /* Setting the palette */
+ lcd_initcolregs();
+
+#elif LCD_BPP == LCD_COLOR8
+ /* Setting the palette */
+ lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0);
+ lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0);
+ lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
+ lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
+ lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
+ lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
+ lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
+ lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
+ lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
+#endif
+
+#define CFG_WHITE_ON_BLACK
+#ifndef CFG_WHITE_ON_BLACK
+ lcd_setfgcolor (CONSOLE_COLOR_BLACK);
+ lcd_setbgcolor (CONSOLE_COLOR_WHITE);
+#else
+ lcd_setfgcolor (CONSOLE_COLOR_WHITE);
+ lcd_setbgcolor (CONSOLE_COLOR_BLACK);
+#endif /* CFG_WHITE_ON_BLACK */
+
+#ifdef LCD_TEST_PATTERN
+ test_pattern();
+#else
+ /* set framebuffer to background color */
+ memset ((char *)lcd_base,
+ COLOR_MASK(lcd_getbgcolor()),
+ lcd_line_length*panel_info.vl_row);
+#endif
+
+ lcd_enable ();
+
+ /* Paint the logo and retrieve LCD base address */
+ debug ("[LCD] Drawing the logo...\n");
+ lcd_console_address = lcd_logo ();
+
+ /* Initialize the console */
+ console_col = 0;
+#ifdef LCD_INFO_BELOW_LOGO
+ console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
+#else
+ console_row = 1; /* leave 1 blank line below logo */
+#endif
+ lcd_is_enabled = 1;
+
+ return 0;
+}
+
+
+/************************************************************************/
+/* ** ROM capable initialization part - needed to reserve FB memory */
+/************************************************************************/
+
+/*
+ * This is called early in the system initialization to grab memory
+ * for the LCD controller.
+ * Returns new address for monitor, after reserving LCD buffer memory
+ *
+ * Note that this is running from ROM, so no write access to global data.
+ */
+ulong lcd_setmem (ulong addr)
+{
+ ulong size;
+ int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
+
+ debug ("LCD panel info: %d x %d, %d bit/pix\n",
+ panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
+
+ /* extra page for dma descriptors and palette */
+ size = line_length * panel_info.vl_row + PAGE_SIZE;
+
+ /* Round up to nearest full page */
+ size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
+
+ /* Allocate pages for the frame buffer. */
+ addr -= size;
+
+ debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
+
+ return (addr);
+}
+
+
+/************************************************************************/
+/* ----------------- chipset specific functions ----------------------- */
+/************************************************************************/
+
+static void lcd_ctrl_init (void *lcdbase)
+{
+ pxafb_init_mem(lcdbase, &panel_info);
+ pxafb_init(&panel_info);
+ pxafb_setup_gpio(&panel_info);
+ pxafb_enable_controller(&panel_info);
+}
+
+/*----------------------------------------------------------------------*/
+
+#ifdef NOT_USED_SO_FAR
+static void
+lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue)
+{
+}
+#endif /* NOT_USED_SO_FAR */
+
+/*----------------------------------------------------------------------*/
+
+#if LCD_BPP == LCD_COLOR8
+static void
+lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
+{
+ struct pxafb_info *fbi = &panel_info.pxa;
+ unsigned short *palette = (unsigned short *)fbi->palette;
+ u_int val;
+
+ if (regno < fbi->palette_size) {
+ val = ((red << 8) & 0xf800);
+ val |= ((green << 4) & 0x07e0);
+ val |= (blue & 0x001f);
+
+#ifdef LCD_INVERT_COLORS
+ palette[regno] = ~val;
+#else
+ palette[regno] = ~val;
+#endif
+ }
+
+ debug ("setcolreg: reg %2d @ %p: R=%02X G=%02X B=%02X => %04X\n",
+ regno, &palette[regno],
+ red, green, blue,
+ palette[regno]);
+}
+#endif /* LCD_COLOR8 */
+
+/*----------------------------------------------------------------------*/
+
+#if LCD_BPP == LCD_MONOCHROME
+static
+void lcd_initcolregs (void)
+{
+ volatile immap_t *immr = (immap_t *) CFG_IMMR;
+ volatile cpm8xx_t *cp = &(immr->im_cpm);
+ ushort regno;
+
+ for (regno = 0; regno < 16; regno++) {
+ cp->lcd_cmap[regno * 2] = 0;
+ cp->lcd_cmap[(regno * 2) + 1] = regno & 0x0f;
+ }
+}
+#endif
+
+/*----------------------------------------------------------------------*/
+
+static void lcd_setfgcolor (int color)
+{
+ lcd_color_fg = color & 0x0F;
+}
+
+/*----------------------------------------------------------------------*/
+
+static void lcd_setbgcolor (int color)
+{
+ lcd_color_bg = color & 0x0F;
+}
+
+/*----------------------------------------------------------------------*/
+
+#ifdef NOT_USED_SO_FAR
+static int lcd_getfgcolor (void)
+{
+ return lcd_color_fg;
+}
+#endif /* NOT_USED_SO_FAR */
+
+/*----------------------------------------------------------------------*/
+
+#ifdef NOT_USED_SO_FAR
+static int lcd_getbgcolor (void)
+{
+ return lcd_color_bg;
+}
+#endif /* NOT_USED_SO_FAR */
+
+/*----------------------------------------------------------------------*/
+
+static void lcd_enable (void)
+{
+}
+
+/*----------------------------------------------------------------------*/
+
+#ifdef NOT_USED_SO_FAR
+static void lcd_disable (void)
+{
+}
+#endif /* NOT_USED_SO_FAR */
+
+
+/************************************************************************/
+/* ** Chipset depending Bitmap / Logo stuff... */
+/************************************************************************/
+
+#ifdef CONFIG_LCD_LOGO
+static void bitmap_plot (int x, int y)
+{
+ ushort *cmap;
+ ushort i;
+ uchar *bmap;
+ uchar *fb;
+ struct pxafb_info *fbi = &panel_info.pxa;
+
+ debug ("Logo: width %d height %d colors %d cmap %d\n",
+ BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
+ sizeof(bmp_logo_palette)/(sizeof(ushort))
+ );
+
+ /* Leave room for default color map */
+ cmap = (ushort *)fbi->palette;
+
+ /* Set color map */
+ for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
+ ushort colreg = bmp_logo_palette[i];
+#ifdef CFG_INVERT_COLORS
+ colreg ^= 0xFFF;
+#endif
+ *cmap++ = colreg;
+ }
+
+ bmap = &bmp_logo_bitmap[0];
+ fb = (char *)(lcd_base + y * lcd_line_length + x);
+
+ for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
+ memcpy (fb, bmap, BMP_LOGO_WIDTH);
+ bmap += BMP_LOGO_WIDTH;
+ fb += panel_info.vl_col;
+ }
+}
+#endif /* CONFIG_LCD_LOGO */
+
+/*----------------------------------------------------------------------*/
+
+static void *lcd_logo (void)
+{
+#ifdef CONFIG_LCD_LOGO
+ DECLARE_GLOBAL_DATA_PTR;
+ char info[80];
+ char temp[32];
+
+ bitmap_plot (0, 0);
+#endif /* CONFIG_LCD_LOGO */
+
+#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
+ return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
+#else
+ return ((void *)lcd_base);
+#endif /* CONFIG_LCD_LOGO */
+}
+
+/************************************************************************
+ PXA255 specific routines
+************************************************************************/
+
+static int pxafb_init_mem(void *lcdbase, vidinfo_t *vid)
+{
+ u_long palette_mem_size;
+ struct pxafb_info *fbi = &vid->pxa;
+ int fb_size = vid->vl_row * (vid->vl_col * NBITS (vid->vl_bpix)) / 8;
+
+ fbi->screen = (u_long)lcdbase;
+
+ fbi->palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
+ palette_mem_size = fbi->palette_size * sizeof(u16);
+ debug("palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size);
+ /* locate palette and descs at end of page following fb */
+ fbi->palette = (u_long)lcdbase + fb_size + 2*PAGE_SIZE - palette_mem_size;
+
+ return 0;
+}
+
+static void pxafb_setup_gpio(vidinfo_t *vid)
+{
+ u_long lccr0;
+
+ /*
+ * setup is based on type of panel supported
+ */
+
+ lccr0 = vid->pxa.reg_lccr0;
+
+ /* 4 bit interface */
+ if ((lccr0 & LCCR0_CMS) && (lccr0 & LCCR0_SDS) && !(lccr0 & LCCR0_DPD))
+ {
+ debug("Setting GPIO for 4 bit data\n");
+ /* bits 58-61 */
+ GPDR1 |= (0xf << 26);
+ GAFR1_U = (GAFR1_U & ~(0xff << 20)) | (0xaa << 20);
+
+ /* bits 74-77 */
+ GPDR2 |= (0xf << 10);
+ GAFR2_L = (GAFR2_L & ~(0xff << 20)) | (0xaa << 20);
+ }
+
+ /* 8 bit interface */
+ else if (((lccr0 & LCCR0_CMS) && ((lccr0 & LCCR0_SDS) || (lccr0 & LCCR0_DPD))) ||
+ (!(lccr0 & LCCR0_CMS) && !(lccr0 & LCCR0_PAS) && !(lccr0 & LCCR0_SDS)))
+ {
+ debug("Setting GPIO for 8 bit data\n");
+ /* bits 58-65 */
+ GPDR1 |= (0x3f << 26);
+ GPDR2 |= (0x3);
+
+ GAFR1_U = (GAFR1_U & ~(0xfff << 20)) | (0xaaa << 20);
+ GAFR2_L = (GAFR2_L & ~0xf) | (0xa);
+
+ /* bits 74-77 */
+ GPDR2 |= (0xf << 10);
+ GAFR2_L = (GAFR2_L & ~(0xff << 20)) | (0xaa << 20);
+ }
+
+ /* 16 bit interface */
+ else if (!(lccr0 & LCCR0_CMS) && ((lccr0 & LCCR0_SDS) || (lccr0 & LCCR0_PAS)))
+ {
+ debug("Setting GPIO for 16 bit data\n");
+ /* bits 58-77 */
+ GPDR1 |= (0x3f << 26);
+ GPDR2 |= 0x00003fff;
+
+ GAFR1_U = (GAFR1_U & ~(0xfff << 20)) | (0xaaa << 20);
+ GAFR2_L = (GAFR2_L & 0xf0000000) | 0x0aaaaaaa;
+ }
+ else
+ {
+ printf("pxafb_setup_gpio: unable to determine bits per pixel\n");
+ }
+}
+
+static void pxafb_enable_controller(vidinfo_t *vid)
+{
+ debug("Enabling LCD controller\n");
+
+ /* Sequence from 11.7.10 */
+ LCCR3 = vid->pxa.reg_lccr3;
+ LCCR2 = vid->pxa.reg_lccr2;
+ LCCR1 = vid->pxa.reg_lccr1;
+ LCCR0 = vid->pxa.reg_lccr0 & ~LCCR0_ENB;
+ FDADR0 = vid->pxa.fdadr0;
+ FDADR1 = vid->pxa.fdadr1;
+ LCCR0 |= LCCR0_ENB;
+
+ CKEN |= CKEN16_LCD;
+
+ debug("FDADR0 = 0x%08x\n", (unsigned int)FDADR0);
+ debug("FDADR1 = 0x%08x\n", (unsigned int)FDADR1);
+ debug("LCCR0 = 0x%08x\n", (unsigned int)LCCR0);
+ debug("LCCR1 = 0x%08x\n", (unsigned int)LCCR1);
+ debug("LCCR2 = 0x%08x\n", (unsigned int)LCCR2);
+ debug("LCCR3 = 0x%08x\n", (unsigned int)LCCR3);
+}
+
+static int pxafb_init(vidinfo_t *vid)
+{
+ struct pxafb_info *fbi = &vid->pxa;
+
+ debug("Configuring PXA LCD\n");
+
+ fbi->reg_lccr0 = REG_LCCR0;
+ fbi->reg_lccr3 = REG_LCCR3;
+
+ debug("vid: vl_col=%d hslen=%d lm=%d rm=%d\n",
+ vid->vl_col, vid->vl_hpw,
+ vid->vl_blw, vid->vl_elw);
+ debug("vid: vl_row=%d vslen=%d um=%d bm=%d\n",
+ vid->vl_row, vid->vl_vpw,
+ vid->vl_bfw, vid->vl_efw);
+
+ fbi->reg_lccr1 =
+ LCCR1_DisWdth(vid->vl_col) +
+ LCCR1_HorSnchWdth(vid->vl_hpw) +
+ LCCR1_BegLnDel(vid->vl_blw) +
+ LCCR1_EndLnDel(vid->vl_elw);
+
+ fbi->reg_lccr2 =
+ LCCR2_DisHght(vid->vl_row) +
+ LCCR2_VrtSnchWdth(vid->vl_vpw) +
+ LCCR2_BegFrmDel(vid->vl_bfw) +
+ LCCR2_EndFrmDel(vid->vl_efw);
+
+ fbi->reg_lccr3 = REG_LCCR3 & ~(LCCR3_HSP | LCCR3_VSP);
+ fbi->reg_lccr3 |=
+ (vid->vl_hsp ? LCCR3_HorSnchL : LCCR3_HorSnchH)
+ | (vid->vl_vsp ? LCCR3_VrtSnchL : LCCR3_VrtSnchH);
+
+
+ /* setup dma descriptors */
+ fbi->dmadesc_fblow = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 3*16);
+ fbi->dmadesc_fbhigh = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 2*16);
+ fbi->dmadesc_palette = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 1*16);
+
+ #define BYTES_PER_PANEL ((fbi->reg_lccr0 & LCCR0_SDS) ? \
+ (vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8 / 2) : \
+ (vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8))
+
+ /* populate descriptors */
+ fbi->dmadesc_fblow->fdadr = (u_long)fbi->dmadesc_fblow;
+ fbi->dmadesc_fblow->fsadr = fbi->screen + BYTES_PER_PANEL;
+ fbi->dmadesc_fblow->fidr = 0;
+ fbi->dmadesc_fblow->ldcmd = BYTES_PER_PANEL;
+
+ fbi->fdadr1 = (u_long)fbi->dmadesc_fblow; /* only used in dual-panel mode */
+
+ fbi->dmadesc_fbhigh->fsadr = fbi->screen;
+ fbi->dmadesc_fbhigh->fidr = 0;
+ fbi->dmadesc_fbhigh->ldcmd = BYTES_PER_PANEL;
+
+ fbi->dmadesc_palette->fsadr = fbi->palette;
+ fbi->dmadesc_palette->fidr = 0;
+ fbi->dmadesc_palette->ldcmd = (fbi->palette_size * 2) | LDCMD_PAL;
+
+ if( NBITS(vid->vl_bpix) < 12)
+ {
+ /* assume any mode with <12 bpp is palette driven */
+ fbi->dmadesc_palette->fdadr = (u_long)fbi->dmadesc_fbhigh;
+ fbi->dmadesc_fbhigh->fdadr = (u_long)fbi->dmadesc_palette;
+ /* flips back and forth between pal and fbhigh */
+ fbi->fdadr0 = (u_long)fbi->dmadesc_palette;
+ }
+ else
+ {
+ /* palette shouldn't be loaded in true-color mode */
+ fbi->dmadesc_fbhigh->fdadr = (u_long)fbi->dmadesc_fbhigh;
+ fbi->fdadr0 = (u_long)fbi->dmadesc_fbhigh; /* no pal just fbhigh */
+ }
+
+ debug("fbi->dmadesc_fblow = 0x%lx\n", (u_long)fbi->dmadesc_fblow);
+ debug("fbi->dmadesc_fbhigh = 0x%lx\n", (u_long)fbi->dmadesc_fbhigh);
+ debug("fbi->dmadesc_palette = 0x%lx\n", (u_long)fbi->dmadesc_palette);
+
+ debug("fbi->dmadesc_fblow->fdadr = 0x%lx\n", fbi->dmadesc_fblow->fdadr);
+ debug("fbi->dmadesc_fbhigh->fdadr = 0x%lx\n", fbi->dmadesc_fbhigh->fdadr);
+ debug("fbi->dmadesc_palette->fdadr = 0x%lx\n", fbi->dmadesc_palette->fdadr);
+
+ debug("fbi->dmadesc_fblow->fsadr = 0x%lx\n", fbi->dmadesc_fblow->fsadr);
+ debug("fbi->dmadesc_fbhigh->fsadr = 0x%lx\n", fbi->dmadesc_fbhigh->fsadr);
+ debug("fbi->dmadesc_palette->fsadr = 0x%lx\n", fbi->dmadesc_palette->fsadr);
+
+ debug("fbi->dmadesc_fblow->ldcmd = 0x%lx\n", fbi->dmadesc_fblow->ldcmd);
+ debug("fbi->dmadesc_fbhigh->ldcmd = 0x%lx\n", fbi->dmadesc_fbhigh->ldcmd);
+ debug("fbi->dmadesc_palette->ldcmd = 0x%lx\n", fbi->dmadesc_palette->ldcmd);
+
+ return 0;
+}
+
+/************************************************************************/
+/************************************************************************/
+
+#endif /* CONFIG_LCD */
generated by cgit v1.1 at 2024-11-23 20:56:14 +0000