aboutsummaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorWolfgang Denk <wd@denx.de>2011-11-08 00:38:52 +0100
committerWolfgang Denk <wd@denx.de>2011-11-08 00:38:52 +0100
commit688d8f33f27ea596efb6632388ee60360996eed0 (patch)
tree961e812048557d4ac7062e6a7387f543e7d634af /drivers
parent7ba6d591b5a6ec4ed502de7d94ff726bce13fe61 (diff)
parent2026a119512a9cced2957221e83fef92b8211d26 (diff)
downloadu-boot-688d8f33f27ea596efb6632388ee60360996eed0.zip
u-boot-688d8f33f27ea596efb6632388ee60360996eed0.tar.gz
u-boot-688d8f33f27ea596efb6632388ee60360996eed0.tar.bz2
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm: Arm: re-introduce the MACH_TYPE_XXXXXX for EB_CPUX9K2 board arm: jadecpu: Readd MACH_TYPE_JADECPU at91: defined mach-types for otc570 board in board config file at91: defined mach-types for meesc board in board config file mx31pdk: Enable D and I caches ehci-mxc: remove incorrect comment README: Fix supported i.MX SoC list for CONFIG_MXC_SPI mx53: Turn off child clocks before reconfigure perclk_root qong: enable support for compressed images imx: imx31_phycore.h: fix checkpatch warnings vision2: Remove unused get_board_rev function mx53smd: Remove unused get_board_rev function mx53ard: Remove unused get_board_rev function mx53evk: Remove unused get_board_rev function mx53evk: Add RTC support mx53loco: Remove unused get_board_rev function mx53evk: Remove unneeded '1' from mx53evk.h OMAP3: mvblx: Initial support for mvBlueLYNX-X ARM: dig297: Define MACH_TYPE_OMAP3_CPS and CONFIG_MACH_TYPE omap3: mem: Move comments next to definitions omap3: mem: Clean-up whitespaces omap3: mem: Define and use common macros Davinci: ea20: added PREBOOT to configuration Davinci: ea20: added I2C support Davinci: ea20: added video support VIDEO: davinci: add framebuffer to da8xx ARM: Davinci: added missing registers to hardware.h Davinci: ea20: add gpios for LCD backlight control Davinci: ea20: add gpio for keeping power on in board_late_init Davinci: ea20: Add default U-Boot environment Davinci: ea20: Add early init to get early output from console Davinci: ea20: Add NAND support Davinci: ea20: set GPIOs to hold MII-Phy in reset and set UART0-Switch for console Davinci: ea20: set console on UART0 arm, davinci: add cam_enc_4xx support arm926ejs, davinci: add missing spi defines for dm365 arm926ejs, davinci: add cpuinfo for dm365 arm, davinci: add lowlevel function for dm365 soc arm, davinci: add header files for dm365 spl, nand: add 4bit HW ecc oob first nand_read_page function arm, davinci: add support for new spl framework spl: add option for adding post memory test to the SPL framework net, davinci_emac: make clock divider in MDIO control register configurable arm, usb, davinci: make USBPHY_CTL register configurable usb, davinci: add enable_vbus() weak function omap3evm: fix errors caused by multiple definitions omap3evm: Add (quick) configuration for NAND only omap3evm: Add (quick) configuration for MMC/SD only omap3evm: move common config options to new file omap3evm: Prepare to split configuration omap3evm: Reorder related config options omap/spl: actually enable the console davinci_emac: compilation fix, phy is array now omap3evm: Set environment variable 'ethaddr' arm, arm926: fix missing symbols in NAND_SPL mode arm, davinci: Add function lpsc_syncreset() arm, davinci: replace CONFIG_PRELOADER with CONFIG_SPL_BUILD arm/km: portl2 environment address update to P1B arm/km: adapt bootcounter evaluation arm/km: enable jffs2 cmds arm/km: trigger reconfiguration for the Xilinx FPGA arm/km: add boardid and hwkey to kernel command line ARM: Reintroduce MACH_TYPE_KM_KIRKWOOD for keymile ARM boards netspace_v2: enable I2C EEPROM support netspace_v2: fix SDRAM configuration armada100: define CONFIG_SYS_CACHELINE_SIZE pantheon: define CONFIG_SYS_CACHELINE_SIZE kirkwood: define CONFIG_SYS_CACHELINE_SIZE kirkwood: drop empty asm-offsets.s file arm/km/mgcoge3un: enhance "waitforne" feature arm/km: add variable waitforne to mgcoge3un gplugD: Fix for error:MACH_TYPE_SHEEVAD undeclared ARM: dreamplug: fix compilation ARM: DockStar: fix compilation ARM: netspace_v2: fix warnings am335x: Drop board_sysinfo struct am335x: Temporarily add MACH_TYPE define misc:pmic:samsung Enable PMIC driver at C210 Universal target dcache:s5p CONFIG_SYS_CACHELINE_SIZE added for s5p UNIVERSAL C210 target dcache:s5p CONFIG_SYS_CACHELINE_SIZE added for s5p GONI target smdkv310: use macro for mmc data read function address smdkv310: use spl framework for mmc spl SMDKV310: use get_ram_size() to validate dram size SMDKV310: Initialize board id using CONFIG_MACH_TYPE ORIGEN : use absolute paths and fix tool naming ORIGEN : enable device tree support MX25: tx25: Fix building due to missing MACH_TYPE mx31: Add board support for HALE TT-01 mx31: add ESD control registers mx31: define pins and init for UART2 and CSPI3 MX35: add support for flea3 board MX51: vision2: add MACH_TYPE in config file vision2: Remove unused header file mx51evk: Remove unused get_board_rev function mx51evk: Remove unneeded '1' from mx51evk.h I2C: Fix mxc_i2c.c problem on imx31_phycore mx35pdk: Add RTC support mx51evk: Use GPIO API for configuring the IOMUX mx51evk: Add RTC support rtc: Make mc13783-rtc driver generic qong: remove unneeded IOMUX settings qong: Use mx31_set_gpr to setup USBH2 pins mx31: Introduce mx31_set_gpr function mx31pdk: Add MC13783 PMIC support qong: remove unneeded "1" from qong.h misc: pmic: fix regression in pmic_fsl.c (SPI) mx5 configs: CONFIG_PRIME should really be CONFIG_ETHPRIME MX35: Drop unnecessary prototypes from imx-regs.h I2C: added I2C-2 and I2C-3 to MX35 MX35: factorize common assembly code MX35: add reset cause as provided by other i.MX MX35: add pins definition for UART3 MX35: added ESDC structure to imx-regs
Diffstat (limited to 'drivers')
-rw-r--r--drivers/i2c/mxc_i2c.c41
-rw-r--r--drivers/misc/pmic_fsl.c5
-rw-r--r--drivers/misc/pmic_spi.c3
-rw-r--r--drivers/mtd/nand/Makefile3
-rw-r--r--drivers/mtd/nand/nand_spl_load.c56
-rw-r--r--drivers/mtd/nand/nand_spl_simple.c43
-rw-r--r--drivers/net/davinci_emac.c11
-rw-r--r--drivers/net/mvgbe.c1
-rw-r--r--drivers/rtc/Makefile2
-rw-r--r--drivers/rtc/mc13xxx-rtc.c (renamed from drivers/rtc/mc13783-rtc.c)0
-rw-r--r--drivers/rtc/mvrtc.c1
-rw-r--r--drivers/usb/host/ehci-mxc.c1
-rw-r--r--drivers/usb/musb/davinci.c20
-rw-r--r--drivers/video/Makefile1
-rw-r--r--drivers/video/da8xx-fb.c846
15 files changed, 1008 insertions, 26 deletions
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
index 2869d7c..c88ac7c 100644
--- a/drivers/i2c/mxc_i2c.c
+++ b/drivers/i2c/mxc_i2c.c
@@ -37,6 +37,7 @@
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
+#include <i2c.h>
struct mxc_i2c_regs {
uint32_t iadr;
@@ -73,6 +74,10 @@ struct mxc_i2c_regs {
#define I2C_BASE I2C2_BASE_ADDR
#elif defined(CONFIG_SYS_I2C_MX35_PORT1)
#define I2C_BASE I2C_BASE_ADDR
+#elif defined(CONFIG_SYS_I2C_MX35_PORT2)
+#define I2C_BASE I2C2_BASE_ADDR
+#elif defined(CONFIG_SYS_I2C_MX35_PORT3)
+#define I2C_BASE I2C3_BASE_ADDR
#else
#error "define CONFIG_SYS_I2C_MX<Processor>_PORTx to use the mx I2C driver"
#endif
@@ -95,16 +100,14 @@ static u16 i2c_clk_div[50][2] = {
{ 3072, 0x1E }, { 3840, 0x1F }
};
-static u8 clk_div;
-
/*
* Calculate and set proper clock divider
*/
-static void i2c_imx_set_clk(unsigned int rate)
+static uint8_t i2c_imx_get_clk(unsigned int rate)
{
- struct mxc_i2c_regs *i2c_regs = (struct mxc_i2c_regs *)I2C_BASE;
unsigned int i2c_clk_rate;
unsigned int div;
+ u8 clk_div;
#if defined(CONFIG_MX31)
struct clock_control_regs *sc_regs =
@@ -127,7 +130,7 @@ static void i2c_imx_set_clk(unsigned int rate)
;
/* Store divider value */
- writeb(i2c_clk_div[clk_div][1], &i2c_regs->ifdr);
+ return clk_div;
}
/*
@@ -146,7 +149,13 @@ void i2c_reset(void)
*/
void i2c_init(int speed, int unused)
{
- i2c_imx_set_clk(speed);
+ struct mxc_i2c_regs *i2c_regs = (struct mxc_i2c_regs *)I2C_BASE;
+ u8 clk_idx = i2c_imx_get_clk(speed);
+ u8 idx = i2c_clk_div[clk_idx][1];
+
+ /* Store divider value */
+ writeb(idx, &i2c_regs->ifdr);
+
i2c_reset();
}
@@ -164,6 +173,13 @@ int i2c_set_bus_speed(unsigned int speed)
*/
unsigned int i2c_get_bus_speed(void)
{
+ struct mxc_i2c_regs *i2c_regs = (struct mxc_i2c_regs *)I2C_BASE;
+ u8 clk_idx = readb(&i2c_regs->ifdr);
+ u8 clk_div;
+
+ for (clk_div = 0; i2c_clk_div[clk_div][1] != clk_idx; clk_div++)
+ ;
+
return mxc_get_clock(MXC_IPG_PERCLK) / i2c_clk_div[clk_div][0];
}
@@ -232,8 +248,12 @@ int i2c_imx_start(void)
struct mxc_i2c_regs *i2c_regs = (struct mxc_i2c_regs *)I2C_BASE;
unsigned int temp = 0;
int result;
+ int speed = i2c_get_bus_speed();
+ u8 clk_idx = i2c_imx_get_clk(speed);
+ u8 idx = i2c_clk_div[clk_idx][1];
- writeb(i2c_clk_div[clk_div][1], &i2c_regs->ifdr);
+ /* Store divider value */
+ writeb(idx, &i2c_regs->ifdr);
/* Enable I2C controller */
writeb(0, &i2c_regs->i2sr);
@@ -306,11 +326,10 @@ int i2c_imx_set_chip_addr(uchar chip, int read)
int i2c_imx_set_reg_addr(uint addr, int alen)
{
struct mxc_i2c_regs *i2c_regs = (struct mxc_i2c_regs *)I2C_BASE;
- int ret;
- int i;
+ int ret = 0;
- for (i = 0; i < (8 * alen); i += 8) {
- writeb((addr >> i) & 0xff, &i2c_regs->i2dr);
+ while (alen--) {
+ writeb((addr >> (alen * 8)) & 0xff, &i2c_regs->i2dr);
ret = i2c_imx_trx_complete();
if (ret)
diff --git a/drivers/misc/pmic_fsl.c b/drivers/misc/pmic_fsl.c
index b6e809a..0ff75ed 100644
--- a/drivers/misc/pmic_fsl.c
+++ b/drivers/misc/pmic_fsl.c
@@ -29,10 +29,7 @@
#if defined(CONFIG_PMIC_SPI)
static u32 pmic_spi_prepare_tx(u32 reg, u32 *val, u32 write)
{
- if ((val == NULL) && (write))
- return *val & ~(1 << 31);
- else
- return (write << 31) | (reg << 25) | (*val & 0x00FFFFFF);
+ return (write << 31) | (reg << 25) | (*val & 0x00FFFFFF);
}
#endif
diff --git a/drivers/misc/pmic_spi.c b/drivers/misc/pmic_spi.c
index ff35377..5a0dd22 100644
--- a/drivers/misc/pmic_spi.c
+++ b/drivers/misc/pmic_spi.c
@@ -76,8 +76,7 @@ static u32 pmic_reg(struct pmic *p, u32 reg, u32 *val, u32 write)
}
if (write) {
- pmic_tx = p->hw.spi.prepare_tx(0, NULL, write);
- pmic_tx &= ~(1 << 31);
+ pmic_tx = p->hw.spi.prepare_tx(reg, val, 0);
tmp = cpu_to_be32(pmic_tx);
if (spi_xfer(slave, pmic_spi_bitlen, &tmp, &pmic_rx,
pmic_spi_flags)) {
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 1eeba5c..28bd350 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -30,6 +30,9 @@ ifdef CONFIG_SPL_BUILD
ifdef CONFIG_SPL_NAND_SIMPLE
COBJS-y += nand_spl_simple.o
endif
+ifdef CONFIG_SPL_NAND_LOAD
+COBJS-y += nand_spl_load.o
+endif
else
COBJS-y += nand.o
COBJS-y += nand_bbt.o
diff --git a/drivers/mtd/nand/nand_spl_load.c b/drivers/mtd/nand/nand_spl_load.c
new file mode 100644
index 0000000..ae8d5ac
--- /dev/null
+++ b/drivers/mtd/nand/nand_spl_load.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * 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>
+#include <nand.h>
+
+/*
+ * The main entry for NAND booting. It's necessary that SDRAM is already
+ * configured and available since this code loads the main U-Boot image
+ * from NAND into SDRAM and starts it from there.
+ */
+void nand_boot(void)
+{
+ int ret;
+ __attribute__((noreturn)) void (*uboot)(void);
+
+ /*
+ * Load U-Boot image from NAND into RAM
+ */
+ ret = nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+ CONFIG_SYS_NAND_U_BOOT_SIZE,
+ (void *)CONFIG_SYS_NAND_U_BOOT_DST);
+
+#ifdef CONFIG_NAND_ENV_DST
+ ret = nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+ (void *)CONFIG_NAND_ENV_DST);
+
+#ifdef CONFIG_ENV_OFFSET_REDUND
+ ret = nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE,
+ (void *)CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE);
+#endif
+#endif
+
+ /*
+ * Jump to U-Boot image
+ */
+ uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START;
+ (*uboot)();
+}
diff --git a/drivers/mtd/nand/nand_spl_simple.c b/drivers/mtd/nand/nand_spl_simple.c
index 71491d4..e5003e6 100644
--- a/drivers/mtd/nand/nand_spl_simple.c
+++ b/drivers/mtd/nand/nand_spl_simple.c
@@ -140,6 +140,47 @@ static int nand_is_bad_block(int block)
return 0;
}
+#if defined(CONFIG_SYS_NAND_HW_ECC_OOBFIRST)
+static int nand_read_page(int block, int page, uchar *dst)
+{
+ struct nand_chip *this = mtd.priv;
+ u_char *ecc_calc;
+ u_char *ecc_code;
+ u_char *oob_data;
+ int i;
+ int eccsize = CONFIG_SYS_NAND_ECCSIZE;
+ int eccbytes = CONFIG_SYS_NAND_ECCBYTES;
+ int eccsteps = CONFIG_SYS_NAND_ECCSTEPS;
+ uint8_t *p = dst;
+ int stat;
+
+ /*
+ * No malloc available for now, just use some temporary locations
+ * in SDRAM
+ */
+ ecc_calc = (u_char *)(CONFIG_SYS_SDRAM_BASE + 0x10000);
+ ecc_code = ecc_calc + 0x100;
+ oob_data = ecc_calc + 0x200;
+
+ nand_command(block, page, 0, NAND_CMD_READOOB);
+ this->read_buf(&mtd, oob_data, CONFIG_SYS_NAND_OOBSIZE);
+ nand_command(block, page, 0, NAND_CMD_READ0);
+
+ /* Pick the ECC bytes out of the oob data */
+ for (i = 0; i < CONFIG_SYS_NAND_ECCTOTAL; i++)
+ ecc_code[i] = oob_data[nand_ecc_pos[i]];
+
+
+ for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
+ this->ecc.hwctl(&mtd, NAND_ECC_READ);
+ this->read_buf(&mtd, p, eccsize);
+ this->ecc.calculate(&mtd, p, &ecc_calc[i]);
+ stat = this->ecc.correct(&mtd, p, &ecc_code[i], &ecc_calc[i]);
+ }
+
+ return 0;
+}
+#else
static int nand_read_page(int block, int page, void *dst)
{
struct nand_chip *this = mtd.priv;
@@ -186,6 +227,7 @@ static int nand_read_page(int block, int page, void *dst)
return 0;
}
+#endif
int nand_spl_load_image(uint32_t offs, unsigned int size, void *dst)
{
@@ -230,7 +272,6 @@ void nand_init(void)
mtd.priv = &nand_chip;
nand_chip.IO_ADDR_R = nand_chip.IO_ADDR_W =
(void __iomem *)CONFIG_SYS_NAND_BASE;
- nand_chip.options = 0;
board_nand_init(&nand_chip);
if (nand_chip.select_chip)
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 7dacb23..fa31159 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -53,6 +53,11 @@ unsigned int emac_dbg = 0;
#define emac_gigabit_enable(phy_addr) /* no gigabit to enable */
#endif
+#if !defined(CONFIG_SYS_EMAC_TI_CLKDIV)
+#define CONFIG_SYS_EMAC_TI_CLKDIV ((EMAC_MDIO_BUS_FREQ / \
+ EMAC_MDIO_CLOCK_FREQ) - 1)
+#endif
+
static void davinci_eth_mdio_enable(void);
static int gen_init_phy(int phy_addr);
@@ -131,7 +136,7 @@ static void davinci_eth_mdio_enable(void)
{
u_int32_t clkdiv;
- clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1;
+ clkdiv = CONFIG_SYS_EMAC_TI_CLKDIV;
writel((clkdiv & 0xff) |
MDIO_CONTROL_ENABLE |
@@ -473,7 +478,7 @@ static int davinci_eth_open(struct eth_device *dev, bd_t *bis)
#endif
/* Init MDIO & get link state */
- clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1;
+ clkdiv = CONFIG_SYS_EMAC_TI_CLKDIV;
writel((clkdiv & 0xff) | MDIO_CONTROL_ENABLE | MDIO_CONTROL_FAULT,
&adap_mdio->CONTROL);
@@ -809,7 +814,7 @@ int davinci_emac_initialize(void)
phy[i].auto_negotiate = gen_auto_negotiate;
}
- debug("Ethernet PHY: %s\n", phy.name);
+ debug("Ethernet PHY: %s\n", phy[i].name);
miiphy_register(phy[i].name, davinci_mii_phy_read,
davinci_mii_phy_write);
diff --git a/drivers/net/mvgbe.c b/drivers/net/mvgbe.c
index c7f7446..fd13428 100644
--- a/drivers/net/mvgbe.c
+++ b/drivers/net/mvgbe.c
@@ -37,6 +37,7 @@
#include <asm/types.h>
#include <asm/system.h>
#include <asm/byteorder.h>
+#include <asm/arch/cpu.h>
#if defined(CONFIG_KIRKWOOD)
#include <asm/arch/kirkwood.h>
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index df440c6..a16f590 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -50,7 +50,7 @@ COBJS-$(CONFIG_RTC_M41T62) += m41t62.o
COBJS-$(CONFIG_RTC_M41T94) += m41t94.o
COBJS-$(CONFIG_RTC_M48T35A) += m48t35ax.o
COBJS-$(CONFIG_RTC_MAX6900) += max6900.o
-COBJS-$(CONFIG_RTC_MC13783) += mc13783-rtc.o
+COBJS-$(CONFIG_RTC_MC13XXX) += mc13xxx-rtc.o
COBJS-$(CONFIG_RTC_MC146818) += mc146818.o
COBJS-$(CONFIG_MCFRTC) += mcfrtc.o
COBJS-$(CONFIG_RTC_MK48T59) += mk48t59.o
diff --git a/drivers/rtc/mc13783-rtc.c b/drivers/rtc/mc13xxx-rtc.c
index 70ea8a1..70ea8a1 100644
--- a/drivers/rtc/mc13783-rtc.c
+++ b/drivers/rtc/mc13xxx-rtc.c
diff --git a/drivers/rtc/mvrtc.c b/drivers/rtc/mvrtc.c
index ccc573a..edc1f4f 100644
--- a/drivers/rtc/mvrtc.c
+++ b/drivers/rtc/mvrtc.c
@@ -28,6 +28,7 @@
#include <common.h>
#include <command.h>
#include <rtc.h>
+#include <asm/io.h>
#include "mvrtc.h"
/* This RTC does not support century, so we assume 20 */
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index a0cfbb7..f403d49 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -120,7 +120,6 @@ int ehci_hcd_init(void)
udelay(80);
- /* Take USB2 */
ehci = (struct usb_ehci *)(IMX_USB_BASE +
(0x200 * CONFIG_MXC_USB_PORT));
hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index f56f2df..359c635 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -26,6 +26,10 @@
#include "davinci.h"
#include <asm/arch/hardware.h>
+#if !defined(CONFIG_DV_USBPHY_CTL)
+#define CONFIG_DV_USBPHY_CTL (USBPHY_SESNDEN | USBPHY_VBDTCTEN)
+#endif
+
/* MUSB platform configuration */
struct musb_config musb_cfg = {
.regs = (struct musb_regs *)MENTOR_USB0_BASE,
@@ -50,7 +54,7 @@ static u8 phy_on(void)
writel(USBPHY_PHY24MHZ | USBPHY_SESNDEN |
USBPHY_VBDTCTEN, USBPHY_CTL_PADDR);
#else
- writel(USBPHY_SESNDEN | USBPHY_VBDTCTEN, USBPHY_CTL_PADDR);
+ writel(CONFIG_DV_USBPHY_CTL, USBPHY_CTL_PADDR);
#endif
timeout = musb_cfg.timeout;
@@ -78,6 +82,17 @@ static void phy_off(void)
writel(USBPHY_OSCPDWN | USBPHY_PHYPDWN, USBPHY_CTL_PADDR);
}
+void __enable_vbus(void)
+{
+ /*
+ * nothing to do, vbus is handled through the cpu.
+ * Define this function in board code, if it is
+ * different on your board.
+ */
+}
+void enable_vbus(void)
+ __attribute__((weak, alias("__enable_vbus")));
+
/*
* This function performs Davinci platform specific initialization for usb0.
*/
@@ -86,9 +101,8 @@ int musb_platform_init(void)
u32 revision;
/* enable USB VBUS */
-#ifndef DAVINCI_DM365EVM
enable_vbus();
-#endif
+
/* start the on-chip USB phy and its pll */
if (!phy_on())
return -1;
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index ecc1896..6252f6a 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -33,6 +33,7 @@ COBJS-$(CONFIG_S6E63D6) += s6e63d6.o
COBJS-$(CONFIG_SED156X) += sed156x.o
COBJS-$(CONFIG_VIDEO_AMBA) += amba.o
COBJS-$(CONFIG_VIDEO_CT69000) += ct69000.o videomodes.o
+COBJS-$(CONFIG_VIDEO_DA8XX) += da8xx-fb.o videomodes.o
COBJS-$(CONFIG_VIDEO_MB862xx) += mb862xx.o videomodes.o
COBJS-$(CONFIG_VIDEO_MB86R0xGDC) += mb86r0xgdc.o videomodes.o
COBJS-$(CONFIG_VIDEO_MX3) += mx3fb.o videomodes.o
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
new file mode 100644
index 0000000..bca9fb5
--- /dev/null
+++ b/drivers/video/da8xx-fb.c
@@ -0,0 +1,846 @@
+/*
+ * Porting to u-boot:
+ *
+ * (C) Copyright 2011
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
+ *
+ * Copyright (C) 2008-2009 MontaVista Software Inc.
+ * Copyright (C) 2008-2009 Texas Instruments Inc
+ *
+ * Based on the LCD driver for TI Avalanche processors written by
+ * Ajay Singh and Shalom Hai.
+ *
+ * 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>
+#include <malloc.h>
+#include <video_fb.h>
+#include <linux/list.h>
+#include <linux/fb.h>
+
+#include <asm/errno.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+
+#include "videomodes.h"
+#include <asm/arch/da8xx-fb.h>
+
+#define DRIVER_NAME "da8xx_lcdc"
+
+/* LCD Status Register */
+#define LCD_END_OF_FRAME1 (1 << 9)
+#define LCD_END_OF_FRAME0 (1 << 8)
+#define LCD_PL_LOAD_DONE (1 << 6)
+#define LCD_FIFO_UNDERFLOW (1 << 5)
+#define LCD_SYNC_LOST (1 << 2)
+
+/* LCD DMA Control Register */
+#define LCD_DMA_BURST_SIZE(x) ((x) << 4)
+#define LCD_DMA_BURST_1 0x0
+#define LCD_DMA_BURST_2 0x1
+#define LCD_DMA_BURST_4 0x2
+#define LCD_DMA_BURST_8 0x3
+#define LCD_DMA_BURST_16 0x4
+#define LCD_END_OF_FRAME_INT_ENA (1 << 2)
+#define LCD_DUAL_FRAME_BUFFER_ENABLE (1 << 0)
+
+/* LCD Control Register */
+#define LCD_CLK_DIVISOR(x) ((x) << 8)
+#define LCD_RASTER_MODE 0x01
+
+/* LCD Raster Control Register */
+#define LCD_PALETTE_LOAD_MODE(x) ((x) << 20)
+#define PALETTE_AND_DATA 0x00
+#define PALETTE_ONLY 0x01
+#define DATA_ONLY 0x02
+
+#define LCD_MONO_8BIT_MODE (1 << 9)
+#define LCD_RASTER_ORDER (1 << 8)
+#define LCD_TFT_MODE (1 << 7)
+#define LCD_UNDERFLOW_INT_ENA (1 << 6)
+#define LCD_PL_ENABLE (1 << 4)
+#define LCD_MONOCHROME_MODE (1 << 1)
+#define LCD_RASTER_ENABLE (1 << 0)
+#define LCD_TFT_ALT_ENABLE (1 << 23)
+#define LCD_STN_565_ENABLE (1 << 24)
+
+/* LCD Raster Timing 2 Register */
+#define LCD_AC_BIAS_TRANSITIONS_PER_INT(x) ((x) << 16)
+#define LCD_AC_BIAS_FREQUENCY(x) ((x) << 8)
+#define LCD_SYNC_CTRL (1 << 25)
+#define LCD_SYNC_EDGE (1 << 24)
+#define LCD_INVERT_PIXEL_CLOCK (1 << 22)
+#define LCD_INVERT_LINE_CLOCK (1 << 21)
+#define LCD_INVERT_FRAME_CLOCK (1 << 20)
+
+/* LCD Block */
+struct da8xx_lcd_regs {
+ u32 revid;
+ u32 ctrl;
+ u32 stat;
+ u32 lidd_ctrl;
+ u32 lidd_cs0_conf;
+ u32 lidd_cs0_addr;
+ u32 lidd_cs0_data;
+ u32 lidd_cs1_conf;
+ u32 lidd_cs1_addr;
+ u32 lidd_cs1_data;
+ u32 raster_ctrl;
+ u32 raster_timing_0;
+ u32 raster_timing_1;
+ u32 raster_timing_2;
+ u32 raster_subpanel;
+ u32 reserved;
+ u32 dma_ctrl;
+ u32 dma_frm_buf_base_addr_0;
+ u32 dma_frm_buf_ceiling_addr_0;
+ u32 dma_frm_buf_base_addr_1;
+ u32 dma_frm_buf_ceiling_addr_1;
+};
+
+#define LCD_NUM_BUFFERS 1
+
+#define WSI_TIMEOUT 50
+#define PALETTE_SIZE 256
+#define LEFT_MARGIN 64
+#define RIGHT_MARGIN 64
+#define UPPER_MARGIN 32
+#define LOWER_MARGIN 32
+
+#define calc_fbsize() (panel.plnSizeX * panel.plnSizeY * panel.gdfBytesPP)
+#define mdelay(n) ({unsigned long msec = (n); while (msec--) udelay(1000); })
+
+static struct da8xx_lcd_regs *da8xx_fb_reg_base;
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* graphics setup */
+static GraphicDevice gpanel;
+static const struct da8xx_panel *lcd_panel;
+static struct fb_info *da8xx_fb_info;
+static int bits_x_pixel;
+
+static inline unsigned int lcdc_read(u32 *addr)
+{
+ return (unsigned int)readl(addr);
+}
+
+static inline void lcdc_write(unsigned int val, u32 *addr)
+{
+ writel(val, addr);
+}
+
+struct da8xx_fb_par {
+ u32 p_palette_base;
+ unsigned char *v_palette_base;
+ dma_addr_t vram_phys;
+ unsigned long vram_size;
+ void *vram_virt;
+ unsigned int dma_start;
+ unsigned int dma_end;
+ struct clk *lcdc_clk;
+ int irq;
+ unsigned short pseudo_palette[16];
+ unsigned int palette_sz;
+ unsigned int pxl_clk;
+ int blank;
+ int vsync_flag;
+ int vsync_timeout;
+};
+
+
+/* Variable Screen Information */
+static struct fb_var_screeninfo da8xx_fb_var = {
+ .xoffset = 0,
+ .yoffset = 0,
+ .transp = {0, 0, 0},
+ .nonstd = 0,
+ .activate = 0,
+ .height = -1,
+ .width = -1,
+ .pixclock = 46666, /* 46us - AUO display */
+ .accel_flags = 0,
+ .left_margin = LEFT_MARGIN,
+ .right_margin = RIGHT_MARGIN,
+ .upper_margin = UPPER_MARGIN,
+ .lower_margin = LOWER_MARGIN,
+ .sync = 0,
+ .vmode = FB_VMODE_NONINTERLACED
+};
+
+static struct fb_fix_screeninfo da8xx_fb_fix = {
+ .id = "DA8xx FB Drv",
+ .type = FB_TYPE_PACKED_PIXELS,
+ .type_aux = 0,
+ .visual = FB_VISUAL_PSEUDOCOLOR,
+ .xpanstep = 0,
+ .ypanstep = 1,
+ .ywrapstep = 0,
+ .accel = FB_ACCEL_NONE
+};
+
+static const struct display_panel disp_panel = {
+ QVGA,
+ 16,
+ 16,
+ COLOR_ACTIVE,
+};
+
+static const struct lcd_ctrl_config lcd_cfg = {
+ &disp_panel,
+ .ac_bias = 255,
+ .ac_bias_intrpt = 0,
+ .dma_burst_sz = 16,
+ .bpp = 16,
+ .fdd = 255,
+ .tft_alt_mode = 0,
+ .stn_565_mode = 0,
+ .mono_8bit_mode = 0,
+ .invert_line_clock = 1,
+ .invert_frm_clock = 1,
+ .sync_edge = 0,
+ .sync_ctrl = 1,
+ .raster_order = 0,
+};
+
+/* Enable the Raster Engine of the LCD Controller */
+static inline void lcd_enable_raster(void)
+{
+ u32 reg;
+
+ reg = lcdc_read(&da8xx_fb_reg_base->raster_ctrl);
+ if (!(reg & LCD_RASTER_ENABLE))
+ lcdc_write(reg | LCD_RASTER_ENABLE,
+ &da8xx_fb_reg_base->raster_ctrl);
+}
+
+/* Disable the Raster Engine of the LCD Controller */
+static inline void lcd_disable_raster(void)
+{
+ u32 reg;
+
+ reg = lcdc_read(&da8xx_fb_reg_base->raster_ctrl);
+ if (reg & LCD_RASTER_ENABLE)
+ lcdc_write(reg & ~LCD_RASTER_ENABLE,
+ &da8xx_fb_reg_base->raster_ctrl);
+}
+
+static void lcd_blit(int load_mode, struct da8xx_fb_par *par)
+{
+ u32 start;
+ u32 end;
+ u32 reg_ras;
+ u32 reg_dma;
+
+ /* init reg to clear PLM (loading mode) fields */
+ reg_ras = lcdc_read(&da8xx_fb_reg_base->raster_ctrl);
+ reg_ras &= ~(3 << 20);
+
+ reg_dma = lcdc_read(&da8xx_fb_reg_base->dma_ctrl);
+
+ if (load_mode == LOAD_DATA) {
+ start = par->dma_start;
+ end = par->dma_end;
+
+ reg_ras |= LCD_PALETTE_LOAD_MODE(DATA_ONLY);
+ reg_dma |= LCD_END_OF_FRAME_INT_ENA;
+
+#if (LCD_NUM_BUFFERS == 2)
+ reg_dma |= LCD_DUAL_FRAME_BUFFER_ENABLE;
+ lcdc_write(start, &da8xx_fb_reg_base->dma_frm_buf_base_addr_0);
+ lcdc_write(end, &da8xx_fb_reg_base->dma_frm_buf_ceiling_addr_0);
+ lcdc_write(start, &da8xx_fb_reg_base->dma_frm_buf_base_addr_1);
+ lcdc_write(end, &da8xx_fb_reg_base->dma_frm_buf_ceiling_addr_1);
+#else
+ reg_dma &= ~LCD_DUAL_FRAME_BUFFER_ENABLE;
+ lcdc_write(start, &da8xx_fb_reg_base->dma_frm_buf_base_addr_0);
+ lcdc_write(end, &da8xx_fb_reg_base->dma_frm_buf_ceiling_addr_0);
+ lcdc_write(0, &da8xx_fb_reg_base->dma_frm_buf_base_addr_1);
+ lcdc_write(0, &da8xx_fb_reg_base->dma_frm_buf_ceiling_addr_1);
+#endif
+
+ } else if (load_mode == LOAD_PALETTE) {
+ start = par->p_palette_base;
+ end = start + par->palette_sz - 1;
+
+ reg_ras |= LCD_PALETTE_LOAD_MODE(PALETTE_ONLY);
+ reg_ras |= LCD_PL_ENABLE;
+
+ lcdc_write(start, &da8xx_fb_reg_base->dma_frm_buf_base_addr_0);
+ lcdc_write(end, &da8xx_fb_reg_base->dma_frm_buf_ceiling_addr_0);
+ }
+
+ lcdc_write(reg_dma, &da8xx_fb_reg_base->dma_ctrl);
+ lcdc_write(reg_ras, &da8xx_fb_reg_base->raster_ctrl);
+
+ /*
+ * The Raster enable bit must be set after all other control fields are
+ * set.
+ */
+ lcd_enable_raster();
+}
+
+/* Configure the Burst Size of DMA */
+static int lcd_cfg_dma(int burst_size)
+{
+ u32 reg;
+
+ reg = lcdc_read(&da8xx_fb_reg_base->dma_ctrl) & 0x00000001;
+ switch (burst_size) {
+ case 1:
+ reg |= LCD_DMA_BURST_SIZE(LCD_DMA_BURST_1);
+ break;
+ case 2:
+ reg |= LCD_DMA_BURST_SIZE(LCD_DMA_BURST_2);
+ break;
+ case 4:
+ reg |= LCD_DMA_BURST_SIZE(LCD_DMA_BURST_4);
+ break;
+ case 8:
+ reg |= LCD_DMA_BURST_SIZE(LCD_DMA_BURST_8);
+ break;
+ case 16:
+ reg |= LCD_DMA_BURST_SIZE(LCD_DMA_BURST_16);
+ break;
+ default:
+ return -EINVAL;
+ }
+ lcdc_write(reg, &da8xx_fb_reg_base->dma_ctrl);
+
+ return 0;
+}
+
+static void lcd_cfg_ac_bias(int period, int transitions_per_int)
+{
+ u32 reg;
+
+ /* Set the AC Bias Period and Number of Transisitons per Interrupt */
+ reg = lcdc_read(&da8xx_fb_reg_base->raster_timing_2) & 0xFFF00000;
+ reg |= LCD_AC_BIAS_FREQUENCY(period) |
+ LCD_AC_BIAS_TRANSITIONS_PER_INT(transitions_per_int);
+ lcdc_write(reg, &da8xx_fb_reg_base->raster_timing_2);
+}
+
+static void lcd_cfg_horizontal_sync(int back_porch, int pulse_width,
+ int front_porch)
+{
+ u32 reg;
+
+ reg = lcdc_read(&da8xx_fb_reg_base->raster_timing_0) & 0xf;
+ reg |= ((back_porch & 0xff) << 24)
+ | ((front_porch & 0xff) << 16)
+ | ((pulse_width & 0x3f) << 10);
+ lcdc_write(reg, &da8xx_fb_reg_base->raster_timing_0);
+}
+
+static void lcd_cfg_vertical_sync(int back_porch, int pulse_width,
+ int front_porch)
+{
+ u32 reg;
+
+ reg = lcdc_read(&da8xx_fb_reg_base->raster_timing_1) & 0x3ff;
+ reg |= ((back_porch & 0xff) << 24)
+ | ((front_porch & 0xff) << 16)
+ | ((pulse_width & 0x3f) << 10);
+ lcdc_write(reg, &da8xx_fb_reg_base->raster_timing_1);
+}
+
+static int lcd_cfg_display(const struct lcd_ctrl_config *cfg)
+{
+ u32 reg;
+
+ reg = lcdc_read(&da8xx_fb_reg_base->raster_ctrl) & ~(LCD_TFT_MODE |
+ LCD_MONO_8BIT_MODE |
+ LCD_MONOCHROME_MODE);
+
+ switch (cfg->p_disp_panel->panel_shade) {
+ case MONOCHROME:
+ reg |= LCD_MONOCHROME_MODE;
+ if (cfg->mono_8bit_mode)
+ reg |= LCD_MONO_8BIT_MODE;
+ break;
+ case COLOR_ACTIVE:
+ reg |= LCD_TFT_MODE;
+ if (cfg->tft_alt_mode)
+ reg |= LCD_TFT_ALT_ENABLE;
+ break;
+
+ case COLOR_PASSIVE:
+ if (cfg->stn_565_mode)
+ reg |= LCD_STN_565_ENABLE;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ /* enable additional interrupts here */
+ reg |= LCD_UNDERFLOW_INT_ENA;
+
+ lcdc_write(reg, &da8xx_fb_reg_base->raster_ctrl);
+
+ reg = lcdc_read(&da8xx_fb_reg_base->raster_timing_2);
+
+ if (cfg->sync_ctrl)
+ reg |= LCD_SYNC_CTRL;
+ else
+ reg &= ~LCD_SYNC_CTRL;
+
+ if (cfg->sync_edge)
+ reg |= LCD_SYNC_EDGE;
+ else
+ reg &= ~LCD_SYNC_EDGE;
+
+ if (cfg->invert_line_clock)
+ reg |= LCD_INVERT_LINE_CLOCK;
+ else
+ reg &= ~LCD_INVERT_LINE_CLOCK;
+
+ if (cfg->invert_frm_clock)
+ reg |= LCD_INVERT_FRAME_CLOCK;
+ else
+ reg &= ~LCD_INVERT_FRAME_CLOCK;
+
+ lcdc_write(reg, &da8xx_fb_reg_base->raster_timing_2);
+
+ return 0;
+}
+
+static int lcd_cfg_frame_buffer(struct da8xx_fb_par *par, u32 width, u32 height,
+ u32 bpp, u32 raster_order)
+{
+ u32 reg;
+
+ /* Set the Panel Width */
+ /* Pixels per line = (PPL + 1)*16 */
+ /*0x3F in bits 4..9 gives max horisontal resolution = 1024 pixels*/
+ width &= 0x3f0;
+ reg = lcdc_read(&da8xx_fb_reg_base->raster_timing_0);
+ reg &= 0xfffffc00;
+ reg |= ((width >> 4) - 1) << 4;
+ lcdc_write(reg, &da8xx_fb_reg_base->raster_timing_0);
+
+ /* Set the Panel Height */
+ reg = lcdc_read(&da8xx_fb_reg_base->raster_timing_1);
+ reg = ((height - 1) & 0x3ff) | (reg & 0xfffffc00);
+ lcdc_write(reg, &da8xx_fb_reg_base->raster_timing_1);
+
+ /* Set the Raster Order of the Frame Buffer */
+ reg = lcdc_read(&da8xx_fb_reg_base->raster_ctrl) & ~(1 << 8);
+ if (raster_order)
+ reg |= LCD_RASTER_ORDER;
+ lcdc_write(reg, &da8xx_fb_reg_base->raster_ctrl);
+
+ switch (bpp) {
+ case 1:
+ case 2:
+ case 4:
+ case 16:
+ par->palette_sz = 16 * 2;
+ break;
+
+ case 8:
+ par->palette_sz = 256 * 2;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int fb_setcolreg(unsigned regno, unsigned red, unsigned green,
+ unsigned blue, unsigned transp,
+ struct fb_info *info)
+{
+ struct da8xx_fb_par *par = info->par;
+ unsigned short *palette = (unsigned short *) par->v_palette_base;
+ u_short pal;
+ int update_hw = 0;
+
+ if (regno > 255)
+ return 1;
+
+ if (info->fix.visual == FB_VISUAL_DIRECTCOLOR)
+ return 1;
+
+ if (info->var.bits_per_pixel == 8) {
+ red >>= 4;
+ green >>= 8;
+ blue >>= 12;
+
+ pal = (red & 0x0f00);
+ pal |= (green & 0x00f0);
+ pal |= (blue & 0x000f);
+
+ if (palette[regno] != pal) {
+ update_hw = 1;
+ palette[regno] = pal;
+ }
+ } else if ((info->var.bits_per_pixel == 16) && regno < 16) {
+ red >>= (16 - info->var.red.length);
+ red <<= info->var.red.offset;
+
+ green >>= (16 - info->var.green.length);
+ green <<= info->var.green.offset;
+
+ blue >>= (16 - info->var.blue.length);
+ blue <<= info->var.blue.offset;
+
+ par->pseudo_palette[regno] = red | green | blue;
+
+ if (palette[0] != 0x4000) {
+ update_hw = 1;
+ palette[0] = 0x4000;
+ }
+ }
+
+ /* Update the palette in the h/w as needed. */
+ if (update_hw)
+ lcd_blit(LOAD_PALETTE, par);
+
+ return 0;
+}
+
+static void lcd_reset(struct da8xx_fb_par *par)
+{
+ /* Disable the Raster if previously Enabled */
+ lcd_disable_raster();
+
+ /* DMA has to be disabled */
+ lcdc_write(0, &da8xx_fb_reg_base->dma_ctrl);
+ lcdc_write(0, &da8xx_fb_reg_base->raster_ctrl);
+}
+
+static void lcd_calc_clk_divider(struct da8xx_fb_par *par)
+{
+ unsigned int lcd_clk, div;
+
+ /* Get clock from sysclk2 */
+ lcd_clk = clk_get(2);
+
+ div = lcd_clk / par->pxl_clk;
+ debug("LCD Clock: 0x%x Divider: 0x%x PixClk: 0x%x\n",
+ lcd_clk, div, par->pxl_clk);
+
+ /* Configure the LCD clock divisor. */
+ lcdc_write(LCD_CLK_DIVISOR(div) |
+ (LCD_RASTER_MODE & 0x1), &da8xx_fb_reg_base->ctrl);
+}
+
+static int lcd_init(struct da8xx_fb_par *par, const struct lcd_ctrl_config *cfg,
+ const struct da8xx_panel *panel)
+{
+ u32 bpp;
+ int ret = 0;
+
+ lcd_reset(par);
+
+ /* Calculate the divider */
+ lcd_calc_clk_divider(par);
+
+ if (panel->invert_pxl_clk)
+ lcdc_write((lcdc_read(&da8xx_fb_reg_base->raster_timing_2) |
+ LCD_INVERT_PIXEL_CLOCK),
+ &da8xx_fb_reg_base->raster_timing_2);
+ else
+ lcdc_write((lcdc_read(&da8xx_fb_reg_base->raster_timing_2) &
+ ~LCD_INVERT_PIXEL_CLOCK),
+ &da8xx_fb_reg_base->raster_timing_2);
+
+ /* Configure the DMA burst size. */
+ ret = lcd_cfg_dma(cfg->dma_burst_sz);
+ if (ret < 0)
+ return ret;
+
+ /* Configure the AC bias properties. */
+ lcd_cfg_ac_bias(cfg->ac_bias, cfg->ac_bias_intrpt);
+
+ /* Configure the vertical and horizontal sync properties. */
+ lcd_cfg_vertical_sync(panel->vbp, panel->vsw, panel->vfp);
+ lcd_cfg_horizontal_sync(panel->hbp, panel->hsw, panel->hfp);
+
+ /* Configure for disply */
+ ret = lcd_cfg_display(cfg);
+ if (ret < 0)
+ return ret;
+
+ if (QVGA != cfg->p_disp_panel->panel_type)
+ return -EINVAL;
+
+ if (cfg->bpp <= cfg->p_disp_panel->max_bpp &&
+ cfg->bpp >= cfg->p_disp_panel->min_bpp)
+ bpp = cfg->bpp;
+ else
+ bpp = cfg->p_disp_panel->max_bpp;
+ if (bpp == 12)
+ bpp = 16;
+ ret = lcd_cfg_frame_buffer(par, (unsigned int)panel->width,
+ (unsigned int)panel->height, bpp,
+ cfg->raster_order);
+ if (ret < 0)
+ return ret;
+
+ /* Configure FDD */
+ lcdc_write((lcdc_read(&da8xx_fb_reg_base->raster_ctrl) & 0xfff00fff) |
+ (cfg->fdd << 12), &da8xx_fb_reg_base->raster_ctrl);
+
+ return 0;
+}
+
+static void lcdc_dma_start(void)
+{
+ struct da8xx_fb_par *par = da8xx_fb_info->par;
+ lcdc_write(par->dma_start,
+ &da8xx_fb_reg_base->dma_frm_buf_base_addr_0);
+ lcdc_write(par->dma_end,
+ &da8xx_fb_reg_base->dma_frm_buf_ceiling_addr_0);
+ lcdc_write(0,
+ &da8xx_fb_reg_base->dma_frm_buf_base_addr_1);
+ lcdc_write(0,
+ &da8xx_fb_reg_base->dma_frm_buf_ceiling_addr_1);
+}
+
+static u32 lcdc_irq_handler(void)
+{
+ struct da8xx_fb_par *par = da8xx_fb_info->par;
+ u32 stat = lcdc_read(&da8xx_fb_reg_base->stat);
+ u32 reg_ras;
+
+ if ((stat & LCD_SYNC_LOST) && (stat & LCD_FIFO_UNDERFLOW)) {
+ debug("LCD_SYNC_LOST\n");
+ lcd_disable_raster();
+ lcdc_write(stat, &da8xx_fb_reg_base->stat);
+ lcd_enable_raster();
+ return LCD_SYNC_LOST;
+ } else if (stat & LCD_PL_LOAD_DONE) {
+ debug("LCD_PL_LOAD_DONE\n");
+ /*
+ * Must disable raster before changing state of any control bit.
+ * And also must be disabled before clearing the PL loading
+ * interrupt via the following write to the status register. If
+ * this is done after then one gets multiple PL done interrupts.
+ */
+ lcd_disable_raster();
+
+ lcdc_write(stat, &da8xx_fb_reg_base->stat);
+
+ /* Disable PL completion inerrupt */
+ reg_ras = lcdc_read(&da8xx_fb_reg_base->raster_ctrl);
+ reg_ras &= ~LCD_PL_ENABLE;
+ lcdc_write(reg_ras, &da8xx_fb_reg_base->raster_ctrl);
+
+ /* Setup and start data loading mode */
+ lcd_blit(LOAD_DATA, par);
+ return LCD_PL_LOAD_DONE;
+ } else {
+ lcdc_write(stat, &da8xx_fb_reg_base->stat);
+
+ if (stat & LCD_END_OF_FRAME0)
+ debug("LCD_END_OF_FRAME0\n");
+
+ lcdc_write(par->dma_start,
+ &da8xx_fb_reg_base->dma_frm_buf_base_addr_0);
+ lcdc_write(par->dma_end,
+ &da8xx_fb_reg_base->dma_frm_buf_ceiling_addr_0);
+ par->vsync_flag = 1;
+ return LCD_END_OF_FRAME0;
+ }
+ return stat;
+}
+
+static u32 wait_for_event(u32 event)
+{
+ u32 timeout = 50000;
+ u32 ret;
+
+ do {
+ ret = lcdc_irq_handler();
+ udelay(1000);
+ } while (!(ret & event));
+
+ if (timeout <= 0) {
+ printf("%s: event %d not hit\n", __func__, event);
+ return -1;
+ }
+
+ return 0;
+
+}
+
+void *video_hw_init(void)
+{
+ struct da8xx_fb_par *par;
+ int ret;
+ u32 size;
+ char *p;
+
+ if (!lcd_panel) {
+ printf("Display not initialized\n");
+ return NULL;
+ }
+ gpanel.winSizeX = lcd_panel->width;
+ gpanel.winSizeY = lcd_panel->height;
+ gpanel.plnSizeX = lcd_panel->width;
+ gpanel.plnSizeY = lcd_panel->height;
+
+ switch (bits_x_pixel) {
+ case 24:
+ gpanel.gdfBytesPP = 4;
+ gpanel.gdfIndex = GDF_32BIT_X888RGB;
+ break;
+ case 16:
+ gpanel.gdfBytesPP = 2;
+ gpanel.gdfIndex = GDF_16BIT_565RGB;
+ break;
+ default:
+ gpanel.gdfBytesPP = 1;
+ gpanel.gdfIndex = GDF__8BIT_INDEX;
+ break;
+ }
+
+ da8xx_fb_reg_base = (struct da8xx_lcd_regs *)DAVINCI_LCD_CNTL_BASE;
+
+ debug("Resolution: %dx%d %x\n",
+ gpanel.winSizeX,
+ gpanel.winSizeY,
+ lcd_cfg.bpp);
+
+ size = sizeof(struct fb_info) + sizeof(struct da8xx_fb_par);
+ da8xx_fb_info = malloc(size);
+ debug("da8xx_fb_info at %x\n", (unsigned int)da8xx_fb_info);
+
+ if (!da8xx_fb_info) {
+ printf("Memory allocation failed for fb_info\n");
+ return NULL;
+ }
+ memset(da8xx_fb_info, 0, size);
+ p = (char *)da8xx_fb_info;
+ da8xx_fb_info->par = p + sizeof(struct fb_info);
+ debug("da8xx_par at %x\n", (unsigned int)da8xx_fb_info->par);
+
+ par = da8xx_fb_info->par;
+ par->pxl_clk = lcd_panel->pxl_clk;
+
+ if (lcd_init(par, &lcd_cfg, lcd_panel) < 0) {
+ printf("lcd_init failed\n");
+ ret = -EFAULT;
+ goto err_release_fb;
+ }
+
+ /* allocate frame buffer */
+ par->vram_size = lcd_panel->width * lcd_panel->height * lcd_cfg.bpp;
+ par->vram_size = par->vram_size * LCD_NUM_BUFFERS / 8;
+
+ par->vram_virt = malloc(par->vram_size);
+
+ par->vram_phys = (dma_addr_t) par->vram_virt;
+ debug("Requesting 0x%x bytes for framebuffer at 0x%x\n",
+ (unsigned int)par->vram_size,
+ (unsigned int)par->vram_virt);
+ if (!par->vram_virt) {
+ printf("GLCD: malloc for frame buffer failed\n");
+ ret = -EINVAL;
+ goto err_release_fb;
+ }
+
+ gpanel.frameAdrs = (unsigned int)par->vram_virt;
+ da8xx_fb_info->screen_base = (char *) par->vram_virt;
+ da8xx_fb_fix.smem_start = gpanel.frameAdrs;
+ da8xx_fb_fix.smem_len = par->vram_size;
+ da8xx_fb_fix.line_length = (lcd_panel->width * lcd_cfg.bpp) / 8;
+
+ par->dma_start = par->vram_phys;
+ par->dma_end = par->dma_start + lcd_panel->height *
+ da8xx_fb_fix.line_length - 1;
+
+ /* allocate palette buffer */
+ par->v_palette_base = malloc(PALETTE_SIZE);
+ if (!par->v_palette_base) {
+ printf("GLCD: malloc for palette buffer failed\n");
+ goto err_release_fb_mem;
+ }
+ memset(par->v_palette_base, 0, PALETTE_SIZE);
+ par->p_palette_base = (unsigned int)par->v_palette_base;
+
+ /* Initialize par */
+ da8xx_fb_info->var.bits_per_pixel = lcd_cfg.bpp;
+
+ da8xx_fb_var.xres = lcd_panel->width;
+ da8xx_fb_var.xres_virtual = lcd_panel->width;
+
+ da8xx_fb_var.yres = lcd_panel->height;
+ da8xx_fb_var.yres_virtual = lcd_panel->height * LCD_NUM_BUFFERS;
+
+ da8xx_fb_var.grayscale =
+ lcd_cfg.p_disp_panel->panel_shade == MONOCHROME ? 1 : 0;
+ da8xx_fb_var.bits_per_pixel = lcd_cfg.bpp;
+
+ da8xx_fb_var.hsync_len = lcd_panel->hsw;
+ da8xx_fb_var.vsync_len = lcd_panel->vsw;
+
+ /* Initialize fbinfo */
+ da8xx_fb_info->flags = FBINFO_FLAG_DEFAULT;
+ da8xx_fb_info->fix = da8xx_fb_fix;
+ da8xx_fb_info->var = da8xx_fb_var;
+ da8xx_fb_info->pseudo_palette = par->pseudo_palette;
+ da8xx_fb_info->fix.visual = (da8xx_fb_info->var.bits_per_pixel <= 8) ?
+ FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
+
+ /* Clear interrupt */
+ memset((void *)par->vram_virt, 0, par->vram_size);
+ lcd_disable_raster();
+ lcdc_write(0xFFFF, &da8xx_fb_reg_base->stat);
+ debug("Palette at 0x%x size %d\n", par->p_palette_base,
+ par->palette_sz);
+ lcdc_dma_start();
+
+ /* Load a default palette */
+ fb_setcolreg(0, 0, 0, 0, 0xffff, da8xx_fb_info);
+
+ /* Check that the palette is loaded */
+ wait_for_event(LCD_PL_LOAD_DONE);
+
+ /* Wait until DMA is working */
+ wait_for_event(LCD_END_OF_FRAME0);
+
+ return (void *)&gpanel;
+
+err_release_fb_mem:
+ free(par->vram_virt);
+
+err_release_fb:
+ free(da8xx_fb_info);
+
+ return NULL;
+}
+
+void video_set_lut(unsigned int index, /* color number */
+ unsigned char r, /* red */
+ unsigned char g, /* green */
+ unsigned char b /* blue */
+ )
+{
+
+ return;
+}
+
+void da8xx_video_init(const struct da8xx_panel *panel, int bits_pixel)
+{
+ lcd_panel = panel;
+ bits_x_pixel = bits_pixel;
+}