[U-Boot] [PATCH] 6/12 Multiadapter/multibus I2C, drivers part 3, fixed

ksi at koi8.net ksi at koi8.net
Fri Feb 13 22:53:29 CET 2009


Initial multiadapter/multibus I2C support.

Signed-off-by: Sergey Kubushyn <ksi at koi8.net>
---
diff -purN u-boot-i2c.orig/drivers/i2c/sm502_i2c.c u-boot-i2c/drivers/i2c/sm502_i2c.c
--- u-boot-i2c.orig/drivers/i2c/sm502_i2c.c	1969-12-31 16:00:00.000000000 -0800
+++ u-boot-i2c/drivers/i2c/sm502_i2c.c	2009-02-12 10:46:00.000000000 -0800
@@ -0,0 +1,340 @@
+/*
+ * Copyright (C) 2009 Sergey Kubushyn <ksi at koi8.net>
+ *
+ * Driver for Silicon Motion SM501/SM502 I2C interface.
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_SM502_I2C
+
+#include <command.h>
+#include <i2c.h>
+
+#include <sm501-regs.h>
+#include <asm/io.h>
+
+/* I2C registers field definitions */
+/* --------------------------------*/
+/* I2C_CONTROL (R/W) */
+#define SM501_I2C_ENABLE	(1<<0)
+#define SM501_I2C_SPEED		(1<<1)
+#define SM501_I2C_START		(1<<2)
+#define SM501_I2C_IRQ_ENA	(1<<4)
+#define SM501_I2C_IRQ_ACK	(1<<5)
+#define SM501_I2C_RPT_START_ENA	(1<<6)
+/* I2C_STATUS (R/O) */
+#define SM501_I2C_BUS_BUSY	(1<<0)
+#define SM501_I2C_NACK		(1<<1)
+#define SM501_I2C_BUS_ERROR	(1<<2)
+#define SM501_I2C_XFER_DONE	(1<<3)
+/* I2C_RESET (W/O) */
+#define SM501_I2C_CLEAR		(1<<2)
+
+#define	SM501_I2C_MAX_COUNT	16
+
+#define SM501_I2C_READ		1
+#define SM501_I2C_WRITE		0
+
+#define SM501_I2C_TIMEOUT	(1<<7)
+
+#define SM501_CHECK_NACK() \
+	do {\
+		if (tmp & (SM501_I2C_NACK | SM501_I2C_BUS_ERROR)) {\
+			tmp = read_i2c_reg(SM501_I2C_CONTROL) & SM501_I2C_SPEED;\
+			write_i2c_reg(SM501_I2C_CONTROL, tmp);\
+			return(1);\
+		}\
+	} while (0)
+
+
+i2c_adap_t	sm501_i2c_adap;
+
+DECLARE_GLOBAL_DATA_PTR;
+
+
+static __inline__ u_int8_t read_i2c_reg(unsigned long offset)
+{
+	return(readb(sm501_iomem_base + SM501_I2C + offset));
+}
+
+static __inline__ void write_i2c_reg(unsigned long offset, u_int8_t data)
+{
+	writeb(data, sm501_iomem_base + SM501_I2C + offset);
+	__asm__("sync;isync;msync");
+#ifndef CONFIG_SYS_SM501_BASEADDR
+	/* Dummy read to push it through PCI */
+	readb(sm501_iomem_base + SM501_I2C + offset);
+#endif
+}
+
+static int poll_i2c_status(u_int8_t mask, int timeout)
+{
+	u_int8_t	stat;
+	int		i;
+
+	i = 0;
+
+	do {
+		stat = read_i2c_reg(SM501_I2C_STATUS);
+		if (stat & mask) {
+			return(stat);
+		}
+		udelay(1000);
+
+	} while (i++ < timeout);
+
+	return(stat | SM501_I2C_TIMEOUT);
+}
+
+static int wait_for_bus(void)
+{
+	int timeout = 10;
+
+	while ((read_i2c_reg(SM501_I2C_STATUS) & SM501_I2C_BUS_BUSY) && timeout--) {
+		udelay (1000);
+	}
+
+	if (timeout <= 0) {
+		printf ("SM501_I2C timed out in wait_for_bb: I2C_STAT=%x\n",
+			read_i2c_reg(SM501_I2C_STATUS));
+		return(1);
+	}
+
+	return(0);
+}
+
+static void sm501_i2c_init(int speed, int slaveadd)
+{
+	unsigned long	tmpl;
+
+	/* Set GPIO pins for hardware I2C */
+	tmpl = readl(sm501_iomem_base + SM501_GPIO + SM501_GPIO_DATA_HIGH);
+	tmpl |= 0x0000c000;
+	writel(tmpl, sm501_iomem_base + SM501_GPIO + SM501_GPIO_DATA_HIGH);
+	__asm__("sync;isync;msync");
+#ifndef CONFIG_SYS_SM501_BASEADDR
+	/* Dummy read to push is through PCI */
+	readl(sm501_iomem_base + SM501_GPIO + SM501_GPIO_DATA_HIGH);
+#endif
+
+	/* SM501/502 only allows 100 or 400 KHz speed (standard or fast) */
+	if (speed <= 100000)
+		write_i2c_reg(SM501_I2C_CONTROL, SM501_I2C_ENABLE);
+	else
+		write_i2c_reg(SM501_I2C_CONTROL, SM501_I2C_ENABLE | SM501_I2C_SPEED);
+
+	if (gd->flags & GD_FLG_RELOC) {
+		sm501_i2c_adap.speed = speed <= 100000 ? 100000 : 400000;
+		sm501_i2c_adap.init_done = 1;
+	}
+}
+
+
+static int sm501_i2c_probe(u_int8_t chip)
+{
+	u_int8_t	tmp;
+
+	/* Fail if I2C address is invalid */
+	if (chip > 0x7f) {return(1);}
+
+	tmp = read_i2c_reg(SM501_I2C_CONTROL);
+	write_i2c_reg(SM501_I2C_CONTROL, tmp & ~(SM501_I2C_START | SM501_I2C_ENABLE));
+	if (wait_for_bus()) {return(1);}
+
+	/* try to read one byte from current (or only) address */
+	write_i2c_reg(SM501_I2C_CONTROL, tmp | SM501_I2C_ENABLE);
+	write_i2c_reg(SM501_I2C_BYTE_COUNT, 0);
+	write_i2c_reg(SM501_I2C_SLAVE_ADDRESS, (chip << 1) | SM501_I2C_READ);
+	tmp = read_i2c_reg(SM501_I2C_CONTROL);
+	write_i2c_reg(SM501_I2C_CONTROL, tmp | SM501_I2C_START);
+	udelay (1000);
+
+	if (!(read_i2c_reg(SM501_I2C_STATUS) & (SM501_I2C_NACK | SM501_I2C_BUS_ERROR))) {
+		tmp = read_i2c_reg(SM501_I2C_CONTROL);
+		write_i2c_reg(SM501_I2C_CONTROL, tmp & ~(SM501_I2C_START | SM501_I2C_ENABLE));
+		if (wait_for_bus()) {return(1);}
+		return(0);
+	}
+
+	return(1);
+}
+
+
+static int sm501_i2c_read(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len)
+{
+	u_int8_t	tmp;
+	u_int8_t	*ptr = buf;
+	int		i, bytes_read = 0;
+
+	if ((alen < 0) || (alen > 2)) {
+		printf("%s(): bogus address length %x\n", __FUNCTION__, alen);
+		return(1);
+	}
+
+	if (len < 0) {
+		printf("%s(): bogus length %x\n", __FUNCTION__, len);
+		return(1);
+	}
+
+	if (wait_for_bus()) {return(1);}
+
+	if (alen != 0) {
+		/* Start address phase */
+		if (alen ==  2) {
+			/* MSB goes first... */
+			write_i2c_reg(SM501_I2C_DATA, (addr >> 8) & 0xff);
+			write_i2c_reg(SM501_I2C_DATA + 1, addr & 0xff);
+		} else {
+			write_i2c_reg(SM501_I2C_DATA, addr & 0xff);
+		}
+
+		/* Now write it out without STOP condition */
+		tmp = read_i2c_reg(SM501_I2C_CONTROL);
+		tmp |= SM501_I2C_ENABLE | SM501_I2C_START | SM501_I2C_RPT_START_ENA;
+		write_i2c_reg(SM501_I2C_SLAVE_ADDRESS, (chip << 1) | SM501_I2C_WRITE);
+		write_i2c_reg(SM501_I2C_BYTE_COUNT, (u_int8_t)(alen - 1));
+		write_i2c_reg(SM501_I2C_CONTROL, tmp);
+
+		tmp = poll_i2c_status(SM501_I2C_NACK | SM501_I2C_BUS_ERROR | SM501_I2C_XFER_DONE, 2);
+
+		SM501_CHECK_NACK();
+	}
+
+	/*
+	 * Address phase is over, now read 'len' bytes.
+	 * SM502 can read up to 16 bytes per transaction so
+	 * we will be reading in 16-bytes batches if len > 16.
+	 */
+	do {
+		i = (len - bytes_read) > 16 ? 16 : len - bytes_read;
+		tmp = read_i2c_reg(SM501_I2C_CONTROL);
+		tmp |= SM501_I2C_ENABLE | SM501_I2C_START;
+		write_i2c_reg(SM501_I2C_SLAVE_ADDRESS, (chip << 1) | SM501_I2C_READ);
+		write_i2c_reg(SM501_I2C_BYTE_COUNT, (u_int8_t)(i - 1));
+		write_i2c_reg(SM501_I2C_CONTROL, tmp);
+
+		tmp = poll_i2c_status(SM501_I2C_NACK | SM501_I2C_BUS_ERROR | SM501_I2C_XFER_DONE, 100);
+
+		SM501_CHECK_NACK();
+
+		bytes_read += i;
+
+		for (; i > 0; i--) {
+			*ptr++ = read_i2c_reg(SM501_I2C_DATA + 16 - i);
+		}
+
+	} while (len > bytes_read);
+
+	tmp = read_i2c_reg(SM501_I2C_CONTROL);
+	write_i2c_reg(SM501_I2C_CONTROL, tmp & ~(SM501_I2C_START | SM501_I2C_ENABLE));
+
+	return(0);
+}
+
+
+static int sm501_i2c_write(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len)
+{
+	u_int8_t	tmp;
+	u_int8_t	*ptr = buf;
+	int		i, bytes_written = 0;
+
+	if ((alen < 0) || (alen > 2)) {
+		printf("%s(): bogus address length %x\n", __FUNCTION__, alen);
+		return(1);
+	}
+
+	if (len < 0) {
+		printf("%s(): bogus length %x\n", __FUNCTION__, len);
+		return(1);
+	}
+
+	if (wait_for_bus()) {return(1);}
+
+	/*
+	 * SM502 can write up to 16 bytes per transaction so we will be
+	 * writing in 16-bytes batches if len > (16 - alen). Address is
+	 * sent first, then data hence (16 - alen)...
+	 */
+	do {
+		i = (len - bytes_written) > (16 - alen) ? 16 - alen : len - bytes_written;
+
+		/* Prepend address */
+		if (alen ==  2) {
+			/* MSB goes first... */
+			write_i2c_reg(SM501_I2C_DATA, ((addr + bytes_written) >> 8) & 0xff);
+			write_i2c_reg(SM501_I2C_DATA + 1, (addr + bytes_written) & 0xff);
+		}
+
+		if (alen == 1) {
+			write_i2c_reg(SM501_I2C_DATA, (addr + bytes_written) & 0xff);
+		}
+
+
+		for (; i > 0; i--) {
+			write_i2c_reg(SM501_I2C_DATA + 16 + alen - i, *ptr++);
+		}
+
+		/* Push it down the bus */
+		tmp = read_i2c_reg(SM501_I2C_CONTROL);
+		tmp |= SM501_I2C_ENABLE | SM501_I2C_START;
+		write_i2c_reg(SM501_I2C_SLAVE_ADDRESS, (chip << 1) | SM501_I2C_WRITE);
+		write_i2c_reg(SM501_I2C_BYTE_COUNT, (u_int8_t)(i + alen - 1));
+		write_i2c_reg(SM501_I2C_CONTROL, tmp);
+
+		tmp = poll_i2c_status(SM501_I2C_NACK | SM501_I2C_BUS_ERROR | SM501_I2C_XFER_DONE, 100);
+
+		SM501_CHECK_NACK();
+
+		bytes_written += i;
+
+	} while (len > bytes_written);
+
+	tmp = read_i2c_reg(SM501_I2C_CONTROL);
+	write_i2c_reg(SM501_I2C_CONTROL, tmp & ~(SM501_I2C_START | SM501_I2C_ENABLE));
+
+	return(0);
+}
+
+
+static unsigned int sm501_i2c_set_bus_speed(unsigned int speed)
+{
+	u_int8_t	tmp;
+
+	tmp = read_i2c_reg(SM501_I2C_CONTROL);
+
+	/* SM501/502 only allows 100 or 400 KHz speed (standard or fast) */
+	if (speed <= 100000)
+		tmp &= ~SM501_I2C_SPEED;
+	else
+		tmp |= SM501_I2C_SPEED;
+
+	write_i2c_reg(SM501_I2C_CONTROL, tmp);
+
+	if (gd->flags & GD_FLG_RELOC) {
+		sm501_i2c_adap.speed = speed <= 100000 ? 100000 : 400000;
+	}
+
+	return(speed <= 100000 ? 100000 : 400000);
+}
+
+
+static unsigned int sm501_i2c_get_bus_speed(void)
+{
+	return(sm501_i2c_adap.speed);
+}
+
+
+i2c_adap_t	sm501_i2c_adap = {
+	.init		=	sm501_i2c_init,
+	.probe		=	sm501_i2c_probe,
+	.read		=	sm501_i2c_read,
+	.write		=	sm501_i2c_write,
+	.set_bus_speed	=	sm501_i2c_set_bus_speed,
+	.get_bus_speed	=	sm501_i2c_get_bus_speed,
+	.speed		=	CONFIG_SYS_SM501_I2C_SPEED,
+	.slaveaddr	=	CONFIG_SYS_SM501_I2C_SLAVE,
+	.init_done	=	0,
+	.name		=	"sm501_i2c"
+};
+#endif	/* CONFIG_SM502_I2C */
diff -purN u-boot-i2c.orig/include/sm501-regs.h u-boot-i2c/include/sm501-regs.h
--- u-boot-i2c.orig/include/sm501-regs.h	1969-12-31 16:00:00.000000000 -0800
+++ u-boot-i2c/include/sm501-regs.h	2009-02-12 10:46:00.000000000 -0800
@@ -0,0 +1,394 @@
+/* sm501-regs.h
+ *
+ * Copyright 2006 Simtec Electronics
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Silicon Motion SM501 register definitions
+*/
+
+#ifndef CONFIG_SYS_SM501_BASEADDR
+/* SM501/502 on PCI bus, resides and initialized in $(BOARD).c */
+extern unsigned long sm501_iomem_base;
+#else
+/* SM501/502 on processor bus, preassigned address */
+#define sm501_iomem_base	CONFIG_SYS_SM501_BASEADDR
+#endif
+
+/* System Configuration area */
+/* System config base */
+#define SM501_SYS_CONFIG		(0x000000)
+
+/* config 1 */
+#define SM501_SYSTEM_CONTROL 		(0x000000)
+
+#define SM501_SYSCTRL_PANEL_TRISTATE	(1<<0)
+#define SM501_SYSCTRL_MEM_TRISTATE	(1<<1)
+#define SM501_SYSCTRL_CRT_TRISTATE	(1<<2)
+
+#define SM501_SYSCTRL_PCI_SLAVE_BURST_MASK (3<<4)
+#define SM501_SYSCTRL_PCI_SLAVE_BURST_1	(0<<4)
+#define SM501_SYSCTRL_PCI_SLAVE_BURST_2	(1<<4)
+#define SM501_SYSCTRL_PCI_SLAVE_BURST_4	(2<<4)
+#define SM501_SYSCTRL_PCI_SLAVE_BURST_8	(3<<4)
+
+#define SM501_SYSCTRL_PCI_CLOCK_RUN_EN	(1<<6)
+#define SM501_SYSCTRL_PCI_RETRY_DISABLE	(1<<7)
+#define SM501_SYSCTRL_PCI_SUBSYS_LOCK	(1<<11)
+#define SM501_SYSCTRL_PCI_BURST_READ_EN	(1<<15)
+
+/* miscellaneous control */
+
+#define SM501_MISC_CONTROL		(0x000004)
+
+#define SM501_MISC_BUS_SH		(0x0)
+#define SM501_MISC_BUS_PCI		(0x1)
+#define SM501_MISC_BUS_XSCALE		(0x2)
+#define SM501_MISC_BUS_NEC		(0x6)
+#define SM501_MISC_BUS_MASK		(0x7)
+
+#define SM501_MISC_VR_62MB		(1<<3)
+#define SM501_MISC_CDR_RESET		(1<<7)
+#define SM501_MISC_USB_LB		(1<<8)
+#define SM501_MISC_USB_SLAVE		(1<<9)
+#define SM501_MISC_BL_1			(1<<10)
+#define SM501_MISC_MC			(1<<11)
+#define SM501_MISC_DAC_POWER		(1<<12)
+#define SM501_MISC_IRQ_INVERT		(1<<16)
+#define SM501_MISC_SH			(1<<17)
+
+#define SM501_MISC_HOLD_EMPTY		(0<<18)
+#define SM501_MISC_HOLD_8		(1<<18)
+#define SM501_MISC_HOLD_16		(2<<18)
+#define SM501_MISC_HOLD_24		(3<<18)
+#define SM501_MISC_HOLD_32		(4<<18)
+#define SM501_MISC_HOLD_MASK		(7<<18)
+
+#define SM501_MISC_FREQ_12		(1<<24)
+#define SM501_MISC_PNL_24BIT		(1<<25)
+#define SM501_MISC_8051_LE		(1<<26)
+
+
+
+#define SM501_GPIO31_0_CONTROL		(0x000008)
+#define SM501_GPIO63_32_CONTROL		(0x00000C)
+#define SM501_DRAM_CONTROL		(0x000010)
+
+/* command list */
+#define SM501_ARBTRTN_CONTROL		(0x000014)
+
+/* command list */
+#define SM501_COMMAND_LIST_STATUS	(0x000024)
+
+/* interrupt debug */
+#define SM501_RAW_IRQ_STATUS		(0x000028)
+#define SM501_RAW_IRQ_CLEAR		(0x000028)
+#define SM501_IRQ_STATUS		(0x00002C)
+#define SM501_IRQ_MASK			(0x000030)
+#define SM501_DEBUG_CONTROL		(0x000034)
+
+/* power management */
+#define SM501_POWERMODE_P2X_SRC		(1<<29)
+#define SM501_POWERMODE_V2X_SRC		(1<<20)
+#define SM501_POWERMODE_M_SRC		(1<<12)
+#define SM501_POWERMODE_M1_SRC		(1<<4)
+
+#define SM501_CURRENT_GATE		(0x000038)
+#define SM501_CURRENT_CLOCK		(0x00003C)
+#define SM501_POWER_MODE_0_GATE		(0x000040)
+#define SM501_POWER_MODE_0_CLOCK	(0x000044)
+#define SM501_POWER_MODE_1_GATE		(0x000048)
+#define SM501_POWER_MODE_1_CLOCK	(0x00004C)
+#define SM501_SLEEP_MODE_GATE		(0x000050)
+#define SM501_POWER_MODE_CONTROL	(0x000054)
+
+/* power gates for units within the 501 */
+#define SM501_GATE_HOST			(0)
+#define SM501_GATE_MEMORY		(1)
+#define SM501_GATE_DISPLAY		(2)
+#define SM501_GATE_2D_ENGINE		(3)
+#define SM501_GATE_CSC			(4)
+#define SM501_GATE_ZVPORT		(5)
+#define SM501_GATE_GPIO			(6)
+#define SM501_GATE_UART0		(7)
+#define SM501_GATE_UART1		(8)
+#define SM501_GATE_SSP			(10)
+#define SM501_GATE_USB_HOST		(11)
+#define SM501_GATE_USB_GADGET		(12)
+#define SM501_GATE_UCONTROLLER		(17)
+#define SM501_GATE_AC97			(18)
+
+/* panel clock */
+#define SM501_CLOCK_P2XCLK		(24)
+/* crt clock */
+#define SM501_CLOCK_V2XCLK		(16)
+/* main clock */
+#define SM501_CLOCK_MCLK		(8)
+/* SDRAM controller clock */
+#define SM501_CLOCK_M1XCLK		(0)
+
+/* config 2 */
+#define SM501_PCI_MASTER_BASE		(0x000058)
+#define SM501_ENDIAN_CONTROL		(0x00005C)
+#define SM501_DEVICEID			(0x000060)
+/* 0x050100A0 */
+
+#define SM501_DEVICEID_SM501		(0x05010000)
+#define SM501_DEVICEID_IDMASK		(0xffff0000)
+#define SM501_DEVICEID_REVMASK		(0x000000ff)
+
+#define SM501_PLLCLOCK_COUNT		(0x000064)
+#define SM501_MISC_TIMING		(0x000068)
+#define SM501_CURRENT_SDRAM_CLOCK	(0x00006C)
+
+#define SM501_PROGRAMMABLE_PLL_CONTROL	(0x000074)
+
+/* GPIO base */
+#define SM501_GPIO			(0x010000)
+#define SM501_GPIO_DATA_LOW		(0x00)
+#define SM501_GPIO_DATA_HIGH		(0x04)
+#define SM501_GPIO_DDR_LOW		(0x08)
+#define SM501_GPIO_DDR_HIGH		(0x0C)
+#define SM501_GPIO_IRQ_SETUP		(0x10)
+#define SM501_GPIO_IRQ_STATUS		(0x14)
+#define SM501_GPIO_IRQ_RESET		(0x14)
+
+/* I2C controller base */
+#define SM501_I2C			(0x010040)
+#define SM501_I2C_BYTE_COUNT		(0x00)
+#define SM501_I2C_CONTROL		(0x01)
+#define SM501_I2C_STATUS		(0x02)
+#define SM501_I2C_RESET			(0x02)
+#define SM501_I2C_SLAVE_ADDRESS		(0x03)
+#define SM501_I2C_DATA			(0x04)
+
+/* SSP base */
+#define SM501_SSP			(0x020000)
+
+/* Uart 0 base */
+#define SM501_UART0			(0x030000)
+
+/* Uart 1 base */
+#define SM501_UART1			(0x030020)
+
+/* USB host port base */
+#define SM501_USB_HOST			(0x040000)
+
+/* USB slave/gadget base */
+#define SM501_USB_GADGET		(0x060000)
+
+/* USB slave/gadget data port base */
+#define SM501_USB_GADGET_DATA		(0x070000)
+
+/* Display controller/video engine base */
+#define SM501_DC			(0x080000)
+
+/* common defines for the SM501 address registers */
+#define SM501_ADDR_FLIP			(1<<31)
+#define SM501_ADDR_EXT			(1<<27)
+#define SM501_ADDR_CS1			(1<<26)
+#define SM501_ADDR_MASK			(0x3f << 26)
+
+#define SM501_FIFO_MASK			(0x3 << 16)
+#define SM501_FIFO_1			(0x0 << 16)
+#define SM501_FIFO_3			(0x1 << 16)
+#define SM501_FIFO_7			(0x2 << 16)
+#define SM501_FIFO_11			(0x3 << 16)
+
+/* common registers for panel and the crt */
+#define SM501_OFF_DC_H_TOT		(0x000)
+#define SM501_OFF_DC_V_TOT		(0x008)
+#define SM501_OFF_DC_H_SYNC		(0x004)
+#define SM501_OFF_DC_V_SYNC		(0x00C)
+
+#define SM501_DC_PANEL_CONTROL		(0x000)
+
+#define SM501_DC_PANEL_CONTROL_FPEN	(1<<27)
+#define SM501_DC_PANEL_CONTROL_BIAS	(1<<26)
+#define SM501_DC_PANEL_CONTROL_DATA	(1<<25)
+#define SM501_DC_PANEL_CONTROL_VDD	(1<<24)
+#define SM501_DC_PANEL_CONTROL_DP	(1<<23)
+
+#define SM501_DC_PANEL_CONTROL_TFT_888	(0<<21)
+#define SM501_DC_PANEL_CONTROL_TFT_333	(1<<21)
+#define SM501_DC_PANEL_CONTROL_TFT_444	(2<<21)
+
+#define SM501_DC_PANEL_CONTROL_DE	(1<<20)
+
+#define SM501_DC_PANEL_CONTROL_LCD_TFT	(0<<18)
+#define SM501_DC_PANEL_CONTROL_LCD_STN8	(1<<18)
+#define SM501_DC_PANEL_CONTROL_LCD_STN12 (2<<18)
+
+#define SM501_DC_PANEL_CONTROL_CP	(1<<14)
+#define SM501_DC_PANEL_CONTROL_VSP	(1<<13)
+#define SM501_DC_PANEL_CONTROL_HSP	(1<<12)
+#define SM501_DC_PANEL_CONTROL_CK	(1<<9)
+#define SM501_DC_PANEL_CONTROL_TE	(1<<8)
+#define SM501_DC_PANEL_CONTROL_VPD	(1<<7)
+#define SM501_DC_PANEL_CONTROL_VP	(1<<6)
+#define SM501_DC_PANEL_CONTROL_HPD	(1<<5)
+#define SM501_DC_PANEL_CONTROL_HP	(1<<4)
+#define SM501_DC_PANEL_CONTROL_GAMMA	(1<<3)
+#define SM501_DC_PANEL_CONTROL_EN	(1<<2)
+
+#define SM501_DC_PANEL_CONTROL_8BPP	(0<<0)
+#define SM501_DC_PANEL_CONTROL_16BPP	(1<<0)
+#define SM501_DC_PANEL_CONTROL_32BPP	(2<<0)
+
+
+#define SM501_DC_PANEL_PANNING_CONTROL	(0x004)
+#define SM501_DC_PANEL_COLOR_KEY	(0x008)
+#define SM501_DC_PANEL_FB_ADDR		(0x00C)
+#define SM501_DC_PANEL_FB_OFFSET	(0x010)
+#define SM501_DC_PANEL_FB_WIDTH		(0x014)
+#define SM501_DC_PANEL_FB_HEIGHT	(0x018)
+#define SM501_DC_PANEL_TL_LOC		(0x01C)
+#define SM501_DC_PANEL_BR_LOC		(0x020)
+#define SM501_DC_PANEL_H_TOT		(0x024)
+#define SM501_DC_PANEL_H_SYNC		(0x028)
+#define SM501_DC_PANEL_V_TOT		(0x02C)
+#define SM501_DC_PANEL_V_SYNC		(0x030)
+#define SM501_DC_PANEL_CUR_LINE		(0x034)
+
+#define SM501_DC_VIDEO_CONTROL		(0x040)
+#define SM501_DC_VIDEO_FB0_ADDR		(0x044)
+#define SM501_DC_VIDEO_FB_WIDTH		(0x048)
+#define SM501_DC_VIDEO_FB0_LAST_ADDR	(0x04C)
+#define SM501_DC_VIDEO_TL_LOC		(0x050)
+#define SM501_DC_VIDEO_BR_LOC		(0x054)
+#define SM501_DC_VIDEO_SCALE		(0x058)
+#define SM501_DC_VIDEO_INIT_SCALE	(0x05C)
+#define SM501_DC_VIDEO_YUV_CONSTANTS	(0x060)
+#define SM501_DC_VIDEO_FB1_ADDR		(0x064)
+#define SM501_DC_VIDEO_FB1_LAST_ADDR	(0x068)
+
+#define SM501_DC_VIDEO_ALPHA_CONTROL	(0x080)
+#define SM501_DC_VIDEO_ALPHA_FB_ADDR	(0x084)
+#define SM501_DC_VIDEO_ALPHA_FB_OFFSET	(0x088)
+#define SM501_DC_VIDEO_ALPHA_FB_LAST_ADDR	(0x08C)
+#define SM501_DC_VIDEO_ALPHA_TL_LOC	(0x090)
+#define SM501_DC_VIDEO_ALPHA_BR_LOC	(0x094)
+#define SM501_DC_VIDEO_ALPHA_SCALE	(0x098)
+#define SM501_DC_VIDEO_ALPHA_INIT_SCALE	(0x09C)
+#define SM501_DC_VIDEO_ALPHA_CHROMA_KEY	(0x0A0)
+#define SM501_DC_VIDEO_ALPHA_COLOR_LOOKUP	(0x0A4)
+
+#define SM501_DC_PANEL_HWC_BASE		(0x0F0)
+#define SM501_DC_PANEL_HWC_ADDR		(0x0F0)
+#define SM501_DC_PANEL_HWC_LOC		(0x0F4)
+#define SM501_DC_PANEL_HWC_COLOR_1_2	(0x0F8)
+#define SM501_DC_PANEL_HWC_COLOR_3	(0x0FC)
+
+#define SM501_HWC_EN			(1<<31)
+
+#define SM501_OFF_HWC_ADDR		(0x00)
+#define SM501_OFF_HWC_LOC		(0x04)
+#define SM501_OFF_HWC_COLOR_1_2		(0x08)
+#define SM501_OFF_HWC_COLOR_3		(0x0C)
+
+#define SM501_DC_ALPHA_CONTROL		(0x100)
+#define SM501_DC_ALPHA_FB_ADDR		(0x104)
+#define SM501_DC_ALPHA_FB_OFFSET	(0x108)
+#define SM501_DC_ALPHA_TL_LOC		(0x10C)
+#define SM501_DC_ALPHA_BR_LOC		(0x110)
+#define SM501_DC_ALPHA_CHROMA_KEY	(0x114)
+#define SM501_DC_ALPHA_COLOR_LOOKUP	(0x118)
+
+#define SM501_DC_CRT_CONTROL		(0x200)
+
+#define SM501_DC_CRT_CONTROL_TVP	(1<<15)
+#define SM501_DC_CRT_CONTROL_CP		(1<<14)
+#define SM501_DC_CRT_CONTROL_VSP	(1<<13)
+#define SM501_DC_CRT_CONTROL_HSP	(1<<12)
+#define SM501_DC_CRT_CONTROL_VS		(1<<11)
+#define SM501_DC_CRT_CONTROL_BLANK	(1<<10)
+#define SM501_DC_CRT_CONTROL_SEL	(1<<9)
+#define SM501_DC_CRT_CONTROL_TE		(1<<8)
+#define SM501_DC_CRT_CONTROL_PIXEL_MASK (0xF << 4)
+#define SM501_DC_CRT_CONTROL_GAMMA	(1<<3)
+#define SM501_DC_CRT_CONTROL_ENABLE	(1<<2)
+
+#define SM501_DC_CRT_CONTROL_8BPP	(0<<0)
+#define SM501_DC_CRT_CONTROL_16BPP	(1<<0)
+#define SM501_DC_CRT_CONTROL_32BPP	(2<<0)
+
+#define SM501_DC_CRT_FB_ADDR		(0x204)
+#define SM501_DC_CRT_FB_OFFSET		(0x208)
+#define SM501_DC_CRT_H_TOT		(0x20C)
+#define SM501_DC_CRT_H_SYNC		(0x210)
+#define SM501_DC_CRT_V_TOT		(0x214)
+#define SM501_DC_CRT_V_SYNC		(0x218)
+#define SM501_DC_CRT_SIGNATURE_ANALYZER	(0x21C)
+#define SM501_DC_CRT_CUR_LINE		(0x220)
+#define SM501_DC_CRT_MONITOR_DETECT	(0x224)
+
+#define SM501_DC_CRT_HWC_BASE		(0x230)
+#define SM501_DC_CRT_HWC_ADDR		(0x230)
+#define SM501_DC_CRT_HWC_LOC		(0x234)
+#define SM501_DC_CRT_HWC_COLOR_1_2	(0x238)
+#define SM501_DC_CRT_HWC_COLOR_3	(0x23C)
+
+#define SM501_DC_PANEL_PALETTE		(0x400)
+
+#define SM501_DC_VIDEO_PALETTE		(0x800)
+
+#define SM501_DC_CRT_PALETTE		(0xC00)
+
+/* Zoom Video port base */
+#define SM501_ZVPORT			(0x090000)
+
+/* AC97/I2S base */
+#define SM501_AC97			(0x0A0000)
+
+/* 8051 micro controller base */
+#define SM501_UCONTROLLER		(0x0B0000)
+
+/* 8051 micro controller SRAM base */
+#define SM501_UCONTROLLER_SRAM		(0x0C0000)
+
+/* DMA base */
+#define SM501_DMA			(0x0D0000)
+
+/* 2d engine base */
+#define SM501_2D_ENGINE			(0x100000)
+#define SM501_2D_SOURCE			(0x00)
+#define SM501_2D_DESTINATION		(0x04)
+#define SM501_2D_DIMENSION		(0x08)
+#define SM501_2D_CONTROL		(0x0C)
+#define SM501_2D_PITCH			(0x10)
+#define SM501_2D_FOREGROUND		(0x14)
+#define SM501_2D_BACKGROUND		(0x18)
+#define SM501_2D_STRETCH		(0x1C)
+#define SM501_2D_COLOR_COMPARE		(0x20)
+#define SM501_2D_COLOR_COMPARE_MASK 	(0x24)
+#define SM501_2D_MASK			(0x28)
+#define SM501_2D_CLIP_TL		(0x2C)
+#define SM501_2D_CLIP_BR		(0x30)
+#define SM501_2D_MONO_PATTERN_LOW	(0x34)
+#define SM501_2D_MONO_PATTERN_HIGH	(0x38)
+#define SM501_2D_WINDOW_WIDTH		(0x3C)
+#define SM501_2D_SOURCE_BASE		(0x40)
+#define SM501_2D_DESTINATION_BASE	(0x44)
+#define SM501_2D_ALPHA			(0x48)
+#define SM501_2D_WRAP			(0x4C)
+#define SM501_2D_STATUS			(0x50)
+
+#define SM501_CSC_Y_SOURCE_BASE		(0xC8)
+#define SM501_CSC_CONSTANTS		(0xCC)
+#define SM501_CSC_Y_SOURCE_X		(0xD0)
+#define SM501_CSC_Y_SOURCE_Y		(0xD4)
+#define SM501_CSC_U_SOURCE_BASE		(0xD8)
+#define SM501_CSC_V_SOURCE_BASE		(0xDC)
+#define SM501_CSC_SOURCE_DIMENSION	(0xE0)
+#define SM501_CSC_SOURCE_PITCH		(0xE4)
+#define SM501_CSC_DESTINATION		(0xE8)
+#define SM501_CSC_DESTINATION_DIMENSION	(0xEC)
+#define SM501_CSC_DESTINATION_PITCH	(0xF0)
+#define SM501_CSC_SCALE_FACTOR		(0xF4)
+#define SM501_CSC_DESTINATION_BASE	(0xF8)
+#define SM501_CSC_CONTROL		(0xFC)
+
+/* 2d engine data port base */
+#define SM501_2D_ENGINE_DATA		(0x110000)


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