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-rw-r--r--packages/uboot/u-boot-mkimage-openmoko-native/uboot-s3c2440.patch1301
1 files changed, 1301 insertions, 0 deletions
diff --git a/packages/uboot/u-boot-mkimage-openmoko-native/uboot-s3c2440.patch b/packages/uboot/u-boot-mkimage-openmoko-native/uboot-s3c2440.patch
new file mode 100644
index 0000000000..da0fb8cf2d
--- /dev/null
+++ b/packages/uboot/u-boot-mkimage-openmoko-native/uboot-s3c2440.patch
@@ -0,0 +1,1301 @@
+Add proper support for S3C2440 CPU's
+
+Index: u-boot/include/s3c24x0.h
+===================================================================
+--- u-boot.orig/include/s3c24x0.h
++++ u-boot/include/s3c24x0.h
+@@ -82,7 +82,7 @@
+ S3C24X0_REG32 PRIORITY;
+ S3C24X0_REG32 INTPND;
+ S3C24X0_REG32 INTOFFSET;
+-#ifdef CONFIG_S3C2410
++#if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ S3C24X0_REG32 SUBSRCPND;
+ S3C24X0_REG32 INTSUBMSK;
+ #endif
+@@ -92,11 +92,11 @@
+ /* DMAS (see manual chapter 8) */
+ typedef struct {
+ S3C24X0_REG32 DISRC;
+-#ifdef CONFIG_S3C2410
++#if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ S3C24X0_REG32 DISRCC;
+ #endif
+ S3C24X0_REG32 DIDST;
+-#ifdef CONFIG_S3C2410
++#if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ S3C24X0_REG32 DIDSTC;
+ #endif
+ S3C24X0_REG32 DCON;
+@@ -107,7 +107,7 @@
+ #ifdef CONFIG_S3C2400
+ S3C24X0_REG32 res[1];
+ #endif
+-#ifdef CONFIG_S3C2410
++#if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ S3C24X0_REG32 res[7];
+ #endif
+ } /*__attribute__((__packed__))*/ S3C24X0_DMA;
+@@ -126,6 +126,9 @@
+ S3C24X0_REG32 CLKCON;
+ S3C24X0_REG32 CLKSLOW;
+ S3C24X0_REG32 CLKDIVN;
++#ifdef CONFIG_S3C2440
++ S3C24X0_REG32 CAMDIVN;
++#endif
+ } /*__attribute__((__packed__))*/ S3C24X0_CLOCK_POWER;
+
+
+@@ -145,7 +148,7 @@
+ S3C24X0_REG32 res[8];
+ S3C24X0_REG32 DITHMODE;
+ S3C24X0_REG32 TPAL;
+-#ifdef CONFIG_S3C2410
++#if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ S3C24X0_REG32 LCDINTPND;
+ S3C24X0_REG32 LCDSRCPND;
+ S3C24X0_REG32 LCDINTMSK;
+@@ -157,6 +160,9 @@
+ /* NAND FLASH (see S3C2410 manual chapter 6) */
+ typedef struct {
+ S3C24X0_REG32 NFCONF;
++#ifdef CONFIG_S3C2440
++ S3C24X0_REG32 NFCONT;
++#endif
+ S3C24X0_REG32 NFCMD;
+ S3C24X0_REG32 NFADDR;
+ S3C24X0_REG32 NFDATA;
+@@ -164,6 +170,15 @@
+ S3C24X0_REG32 NFECC;
+ } /*__attribute__((__packed__))*/ S3C2410_NAND;
+
++/* NAND FLASH (see S3C2440 manual chapter 6) */
++typedef struct {
++ S3C24X0_REG32 NFCONF;
++ S3C24X0_REG32 NFCMD;
++ S3C24X0_REG32 NFADDR;
++ S3C24X0_REG32 NFDATA;
++ S3C24X0_REG32 NFSTAT;
++ S3C24X0_REG32 NFECC;
++} /*__attribute__((__packed__))*/ S3C2440_NAND;
+
+ /* UART (see manual chapter 11) */
+ typedef struct {
+@@ -451,6 +466,65 @@
+ S3C24X0_REG32 GSTATUS3;
+ S3C24X0_REG32 GSTATUS4;
+ #endif
++#ifdef CONFIG_S3C2440
++ S3C24X0_REG32 GPACON;
++ S3C24X0_REG32 GPADAT;
++ S3C24X0_REG32 res1[2];
++ S3C24X0_REG32 GPBCON;
++ S3C24X0_REG32 GPBDAT;
++ S3C24X0_REG32 GPBUP;
++ S3C24X0_REG32 res2;
++ S3C24X0_REG32 GPCCON;
++ S3C24X0_REG32 GPCDAT;
++ S3C24X0_REG32 GPCUP;
++ S3C24X0_REG32 res3;
++ S3C24X0_REG32 GPDCON;
++ S3C24X0_REG32 GPDDAT;
++ S3C24X0_REG32 GPDUP;
++ S3C24X0_REG32 res4;
++ S3C24X0_REG32 GPECON;
++ S3C24X0_REG32 GPEDAT;
++ S3C24X0_REG32 GPEUP;
++ S3C24X0_REG32 res5;
++ S3C24X0_REG32 GPFCON;
++ S3C24X0_REG32 GPFDAT;
++ S3C24X0_REG32 GPFUP;
++ S3C24X0_REG32 res6;
++ S3C24X0_REG32 GPGCON;
++ S3C24X0_REG32 GPGDAT;
++ S3C24X0_REG32 GPGUP;
++ S3C24X0_REG32 res7;
++ S3C24X0_REG32 GPHCON;
++ S3C24X0_REG32 GPHDAT;
++ S3C24X0_REG32 GPHUP;
++ S3C24X0_REG32 res8;
++
++ S3C24X0_REG32 MISCCR;
++ S3C24X0_REG32 DCLKCON;
++ S3C24X0_REG32 EXTINT0;
++ S3C24X0_REG32 EXTINT1;
++ S3C24X0_REG32 EXTINT2;
++ S3C24X0_REG32 EINTFLT0;
++ S3C24X0_REG32 EINTFLT1;
++ S3C24X0_REG32 EINTFLT2;
++ S3C24X0_REG32 EINTFLT3;
++ S3C24X0_REG32 EINTMASK;
++ S3C24X0_REG32 EINTPEND;
++ S3C24X0_REG32 GSTATUS0;
++ S3C24X0_REG32 GSTATUS1;
++ S3C24X0_REG32 GSTATUS2;
++ S3C24X0_REG32 GSTATUS3;
++ S3C24X0_REG32 GSTATUS4;
++
++ S3C24X0_REG32 res9;
++ S3C24X0_REG32 DSC0;
++ S3C24X0_REG32 DSC1;
++ S3C24X0_REG32 MSLCON;
++ S3C24X0_REG32 GPJCON;
++ S3C24X0_REG32 GPJDAT;
++ S3C24X0_REG32 GPJUP;
++ S3C24X0_REG32 res10;
++#endif
+ } /*__attribute__((__packed__))*/ S3C24X0_GPIO;
+
+
+@@ -637,8 +711,13 @@
+ S3C24X0_REG32 SDIDCNT;
+ S3C24X0_REG32 SDIDSTA;
+ S3C24X0_REG32 SDIFSTA;
++#if defined(CONFIG_S3C2410)
+ S3C24X0_REG32 SDIDAT;
+ S3C24X0_REG32 SDIIMSK;
++#elif defined(CONFIG_S3C2440)
++ S3C24X0_REG32 SDIIMSK;
++ S3C24X0_REG32 SDIDAT;
++#endif
+ } /*__attribute__((__packed__))*/ S3C2410_SDI;
+
+
+Index: u-boot/rtc/s3c24x0_rtc.c
+===================================================================
+--- u-boot.orig/rtc/s3c24x0_rtc.c
++++ u-boot/rtc/s3c24x0_rtc.c
+@@ -34,6 +34,8 @@
+ #include <s3c2400.h>
+ #elif defined(CONFIG_S3C2410)
+ #include <s3c2410.h>
++#elif defined(CONFIG_S3C2440)
++#include <s3c2440.h>
+ #endif
+
+ #include <rtc.h>
+Index: u-boot/include/s3c2440.h
+===================================================================
+--- /dev/null
++++ u-boot/include/s3c2440.h
+@@ -0,0 +1,300 @@
++/*
++ * (C) Copyright 2003
++ * David Müller ELSOFT AG Switzerland. d.mueller@elsoft.ch
++ *
++ * 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
++ */
++
++/************************************************
++ * NAME : s3c2440.h
++ * Version : 2007.
++ *
++ * Based on S3C2410X User's manual Rev 1.1
++ ************************************************/
++
++#ifndef __S3C2440_H__
++#define __S3C2440_H__
++
++#define S3C24X0_UART_CHANNELS 3
++#define S3C24X0_SPI_CHANNELS 2
++
++/* S3C2440 only supports 512 Byte HW ECC */
++#define S3C2440_ECCSIZE 512
++#define S3C2440_ECCBYTES 3
++
++/* S3C2440 device base addresses */
++#define S3C24X0_MEMCTL_BASE 0x48000000
++#define S3C24X0_USB_HOST_BASE 0x49000000
++#define S3C24X0_INTERRUPT_BASE 0x4A000000
++#define S3C24X0_DMA_BASE 0x4B000000
++#define S3C24X0_CLOCK_POWER_BASE 0x4C000000
++#define S3C24X0_LCD_BASE 0x4D000000
++#define S3C2440_NAND_BASE 0x4E000000
++#define S3C24X0_UART_BASE 0x50000000
++#define S3C24X0_TIMER_BASE 0x51000000
++#define S3C24X0_USB_DEVICE_BASE 0x52000140
++#define USB_DEVICE_PHYS_ADR 0x52000000
++#define S3C24X0_WATCHDOG_BASE 0x53000000
++#define S3C24X0_I2C_BASE 0x54000000
++#define S3C24X0_I2S_BASE 0x55000000
++#define S3C24X0_GPIO_BASE 0x56000000
++#define S3C24X0_RTC_BASE 0x57000000
++#define S3C2440_ADC_BASE 0x58000000
++#define S3C24X0_SPI_BASE 0x59000000
++#define S3C2440_SDI_BASE 0x5A000000
++
++#define oNFCONF 0x00
++#define oNFCONT 0x04
++
++#ifndef __ASSEMBLER__
++
++/* include common stuff */
++#include <s3c24x0.h>
++
++typedef enum {
++ S3C24X0_UART0,
++ S3C24X0_UART1,
++ S3C24X0_UART2
++} S3C24X0_UARTS_NR;
++
++static inline S3C24X0_MEMCTL * S3C24X0_GetBase_MEMCTL(void)
++{
++ return (S3C24X0_MEMCTL * const)S3C24X0_MEMCTL_BASE;
++}
++static inline S3C24X0_USB_HOST * S3C24X0_GetBase_USB_HOST(void)
++{
++ return (S3C24X0_USB_HOST * const)S3C24X0_USB_HOST_BASE;
++}
++static inline S3C24X0_INTERRUPT * S3C24X0_GetBase_INTERRUPT(void)
++{
++ return (S3C24X0_INTERRUPT * const)S3C24X0_INTERRUPT_BASE;
++}
++static inline S3C24X0_DMAS * S3C24X0_GetBase_DMAS(void)
++{
++ return (S3C24X0_DMAS * const)S3C24X0_DMA_BASE;
++}
++static inline S3C24X0_CLOCK_POWER * S3C24X0_GetBase_CLOCK_POWER(void)
++{
++ return (S3C24X0_CLOCK_POWER * const)S3C24X0_CLOCK_POWER_BASE;
++}
++static inline S3C24X0_LCD * S3C24X0_GetBase_LCD(void)
++{
++ return (S3C24X0_LCD * const)S3C24X0_LCD_BASE;
++}
++static inline S3C2440_NAND * S3C2440_GetBase_NAND(void)
++{
++ return (S3C2440_NAND * const)S3C2440_NAND_BASE;
++}
++static inline S3C24X0_UART * S3C24X0_GetBase_UART(S3C24X0_UARTS_NR nr)
++{
++ return (S3C24X0_UART * const)(S3C24X0_UART_BASE + (nr * 0x4000));
++}
++static inline S3C24X0_TIMERS * S3C24X0_GetBase_TIMERS(void)
++{
++ return (S3C24X0_TIMERS * const)S3C24X0_TIMER_BASE;
++}
++static inline S3C24X0_USB_DEVICE * S3C24X0_GetBase_USB_DEVICE(void)
++{
++ return (S3C24X0_USB_DEVICE * const)S3C24X0_USB_DEVICE_BASE;
++}
++static inline S3C24X0_WATCHDOG * S3C24X0_GetBase_WATCHDOG(void)
++{
++ return (S3C24X0_WATCHDOG * const)S3C24X0_WATCHDOG_BASE;
++}
++static inline S3C24X0_I2C * S3C24X0_GetBase_I2C(void)
++{
++ return (S3C24X0_I2C * const)S3C24X0_I2C_BASE;
++}
++static inline S3C24X0_I2S * S3C24X0_GetBase_I2S(void)
++{
++ return (S3C24X0_I2S * const)S3C24X0_I2S_BASE;
++}
++static inline S3C24X0_GPIO * S3C24X0_GetBase_GPIO(void)
++{
++ return (S3C24X0_GPIO * const)S3C24X0_GPIO_BASE;
++}
++static inline S3C24X0_RTC * S3C24X0_GetBase_RTC(void)
++{
++ return (S3C24X0_RTC * const)S3C24X0_RTC_BASE;
++}
++/*
++static inline S3C2440_ADC * S3C2440_GetBase_ADC(void)
++{
++ return (S3C2440_ADC * const)S3C2440_ADC_BASE;
++}
++static inline S3C24X0_SPI * S3C24X0_GetBase_SPI(void)
++{
++ return (S3C24X0_SPI * const)S3C24X0_SPI_BASE;
++}
++*/
++static inline S3C2410_SDI * S3C2410_GetBase_SDI(void)
++{
++ return (S3C2410_SDI * const)S3C2440_SDI_BASE;
++}
++
++#endif /* __ASSEMBLER__ */
++
++/* ISR */
++#define pISR_RESET (*(unsigned *)(_ISR_STARTADDRESS+0x0))
++#define pISR_UNDEF (*(unsigned *)(_ISR_STARTADDRESS+0x4))
++#define pISR_SWI (*(unsigned *)(_ISR_STARTADDRESS+0x8))
++#define pISR_PABORT (*(unsigned *)(_ISR_STARTADDRESS+0xC))
++#define pISR_DABORT (*(unsigned *)(_ISR_STARTADDRESS+0x10))
++#define pISR_RESERVED (*(unsigned *)(_ISR_STARTADDRESS+0x14))
++#define pISR_IRQ (*(unsigned *)(_ISR_STARTADDRESS+0x18))
++#define pISR_FIQ (*(unsigned *)(_ISR_STARTADDRESS+0x1C))
++
++#define pISR_EINT0 (*(unsigned *)(_ISR_STARTADDRESS+0x20))
++#define pISR_EINT1 (*(unsigned *)(_ISR_STARTADDRESS+0x24))
++#define pISR_EINT2 (*(unsigned *)(_ISR_STARTADDRESS+0x28))
++#define pISR_EINT3 (*(unsigned *)(_ISR_STARTADDRESS+0x2C))
++#define pISR_EINT4_7 (*(unsigned *)(_ISR_STARTADDRESS+0x30))
++#define pISR_EINT8_23 (*(unsigned *)(_ISR_STARTADDRESS+0x34))
++#define pISR_BAT_FLT (*(unsigned *)(_ISR_STARTADDRESS+0x3C))
++#define pISR_TICK (*(unsigned *)(_ISR_STARTADDRESS+0x40))
++#define pISR_WDT (*(unsigned *)(_ISR_STARTADDRESS+0x44))
++#define pISR_TIMER0 (*(unsigned *)(_ISR_STARTADDRESS+0x48))
++#define pISR_TIMER1 (*(unsigned *)(_ISR_STARTADDRESS+0x4C))
++#define pISR_TIMER2 (*(unsigned *)(_ISR_STARTADDRESS+0x50))
++#define pISR_TIMER3 (*(unsigned *)(_ISR_STARTADDRESS+0x54))
++#define pISR_TIMER4 (*(unsigned *)(_ISR_STARTADDRESS+0x58))
++#define pISR_UART2 (*(unsigned *)(_ISR_STARTADDRESS+0x5C))
++#define pISR_NOTUSED (*(unsigned *)(_ISR_STARTADDRESS+0x60))
++#define pISR_DMA0 (*(unsigned *)(_ISR_STARTADDRESS+0x64))
++#define pISR_DMA1 (*(unsigned *)(_ISR_STARTADDRESS+0x68))
++#define pISR_DMA2 (*(unsigned *)(_ISR_STARTADDRESS+0x6C))
++#define pISR_DMA3 (*(unsigned *)(_ISR_STARTADDRESS+0x70))
++#define pISR_SDI (*(unsigned *)(_ISR_STARTADDRESS+0x74))
++#define pISR_SPI0 (*(unsigned *)(_ISR_STARTADDRESS+0x78))
++#define pISR_UART1 (*(unsigned *)(_ISR_STARTADDRESS+0x7C))
++#define pISR_USBD (*(unsigned *)(_ISR_STARTADDRESS+0x84))
++#define pISR_USBH (*(unsigned *)(_ISR_STARTADDRESS+0x88))
++#define pISR_IIC (*(unsigned *)(_ISR_STARTADDRESS+0x8C))
++#define pISR_UART0 (*(unsigned *)(_ISR_STARTADDRESS+0x90))
++#define pISR_SPI1 (*(unsigned *)(_ISR_STARTADDRESS+0x94))
++#define pISR_RTC (*(unsigned *)(_ISR_STARTADDRESS+0x98))
++#define pISR_ADC (*(unsigned *)(_ISR_STARTADDRESS+0xA0))
++
++
++/* PENDING BIT */
++#define BIT_EINT0 (0x1)
++#define BIT_EINT1 (0x1<<1)
++#define BIT_EINT2 (0x1<<2)
++#define BIT_EINT3 (0x1<<3)
++#define BIT_EINT4_7 (0x1<<4)
++#define BIT_EINT8_23 (0x1<<5)
++#define BIT_BAT_FLT (0x1<<7)
++#define BIT_TICK (0x1<<8)
++#define BIT_WDT (0x1<<9)
++#define BIT_TIMER0 (0x1<<10)
++#define BIT_TIMER1 (0x1<<11)
++#define BIT_TIMER2 (0x1<<12)
++#define BIT_TIMER3 (0x1<<13)
++#define BIT_TIMER4 (0x1<<14)
++#define BIT_UART2 (0x1<<15)
++#define BIT_LCD (0x1<<16)
++#define BIT_DMA0 (0x1<<17)
++#define BIT_DMA1 (0x1<<18)
++#define BIT_DMA2 (0x1<<19)
++#define BIT_DMA3 (0x1<<20)
++#define BIT_SDI (0x1<<21)
++#define BIT_SPI0 (0x1<<22)
++#define BIT_UART1 (0x1<<23)
++#define BIT_USBD (0x1<<25)
++#define BIT_USBH (0x1<<26)
++#define BIT_IIC (0x1<<27)
++#define BIT_UART0 (0x1<<28)
++#define BIT_SPI1 (0x1<<29)
++#define BIT_RTC (0x1<<30)
++#define BIT_ADC (0x1<<31)
++#define BIT_ALLMSK (0xFFFFFFFF)
++
++#define ClearPending(bit) {\
++ rSRCPND = bit;\
++ rINTPND = bit;\
++ rINTPND;\
++ }
++/* Wait until rINTPND is changed for the case that the ISR is very short. */
++
++#define __REG(x) (*(volatile unsigned long *)(x))
++#define __REGl(x) (*(volatile unsigned long *)(x))
++#define __REGw(x) (*(volatile unsigned short *)(x))
++#define __REGb(x) (*(volatile unsigned char *)(x))
++#define __REG2(x,y) (*(volatile unsigned long *)((x) + (y)))
++
++/*
++ * * Nand flash controller
++ * */
++
++#define NFDATA8 (*(volatile unsigned char *)0x4E000010)
++#define NFDATA16 (*(volatile unsigned short *)0x4E000010)
++#define NFDATA32 (*(volatile unsigned *)0x4E000010)
++
++#define NFCONF __REG(0x4E000000)
++#define NFCONT __REG(0x4E000004)
++#define NFCMD __REG(0x4E000008)
++#define NFADDR __REGb(0x4E00000C)
++#define NFMECCD0 __REG(0x4E000014)
++#define NFMECCD1 __REG(0x4E000018)
++#define NFSECCD __REG(0x4E00001C)
++#define NFSTAT __REG(0x4E000020)
++#define NFESTAT0 __REG(0x4E000024)
++#define NFESTAT1 __REG(0x4E000028)
++#define NFMECC0 __REG(0x4E00002C)
++#define NFMECC1 __REG(0x4E000030)
++#define NFSECC __REG(0x4E000034)
++#define NFSBLK __REG(0x4E000038)
++
++
++#define S3C2410_MISCCR_USBDEV (0<<3)
++#define S3C2410_MISCCR_USBHOST (1<<3)
++
++#define S3C2410_MISCCR_CLK0_MPLL (0<<4)
++#define S3C2410_MISCCR_CLK0_UPLL (1<<4)
++#define S3C2410_MISCCR_CLK0_FCLK (2<<4)
++#define S3C2410_MISCCR_CLK0_HCLK (3<<4)
++#define S3C2410_MISCCR_CLK0_PCLK (4<<4)
++#define S3C2410_MISCCR_CLK0_DCLK0 (5<<4)
++#define S3C2410_MISCCR_CLK0_MASK (7<<4)
++
++#define S3C2410_MISCCR_CLK1_MPLL (0<<8)
++#define S3C2410_MISCCR_CLK1_UPLL (1<<8)
++#define S3C2410_MISCCR_CLK1_FCLK (2<<8)
++#define S3C2410_MISCCR_CLK1_HCLK (3<<8)
++#define S3C2410_MISCCR_CLK1_PCLK (4<<8)
++#define S3C2410_MISCCR_CLK1_DCLK1 (5<<8)
++#define S3C2410_MISCCR_CLK1_MASK (7<<8)
++
++#define S3C2410_MISCCR_USBSUSPND0 (1<<12)
++#define S3C2410_MISCCR_USBSUSPND1 (1<<13)
++
++#define S3C2410_MISCCR_nRSTCON (1<<16)
++
++#define S3C2410_MISCCR_nEN_SCLK0 (1<<17)
++#define S3C2410_MISCCR_nEN_SCLK1 (1<<18)
++#define S3C2410_MISCCR_nEN_SCLKE (1<<19)
++#define S3C2410_MISCCR_SDSLEEP (7<<17)
++
++#define S3C2410_CLKSLOW_UCLK_OFF (1<<7)
++#define S3C2410_CLKSLOW_MPLL_OFF (1<<5)
++#define S3C2410_CLKSLOW_SLOW (1<<4)
++#define S3C2410_CLKSLOW_SLOWVAL(x) (x)
++#define S3C2410_CLKSLOW_GET_SLOWVAL(x) ((x) & 7)
++
++#endif /*__S3C2440_H__*/
+Index: u-boot/include/common.h
+===================================================================
+--- u-boot.orig/include/common.h
++++ u-boot/include/common.h
+@@ -454,7 +454,7 @@
+ ulong get_OPB_freq (void);
+ ulong get_PCI_freq (void);
+ #endif
+-#if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X)
++#if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440) || defined(CONFIG_LH7A40X)
+ void s3c2410_irq(void);
+ #define ARM920_IRQ_CALLBACK s3c2410_irq
+ ulong get_FCLK (void);
+Index: u-boot/cpu/arm920t/s3c24x0/usb_ohci.c
+===================================================================
+--- u-boot.orig/cpu/arm920t/s3c24x0/usb_ohci.c
++++ u-boot/cpu/arm920t/s3c24x0/usb_ohci.c
+@@ -44,6 +44,8 @@
+ #include <s3c2400.h>
+ #elif defined(CONFIG_S3C2410)
+ #include <s3c2410.h>
++#elif defined(CONFIG_S3C2440)
++#include <s3c2440.h>
+ #endif
+
+ #include <malloc.h>
+Index: u-boot/cpu/arm920t/s3c24x0/speed.c
+===================================================================
+--- u-boot.orig/cpu/arm920t/s3c24x0/speed.c
++++ u-boot/cpu/arm920t/s3c24x0/speed.c
+@@ -30,12 +30,15 @@
+ */
+
+ #include <common.h>
+-#if defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB)
++#if defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || \
++ defined (CONFIG_S3C2440) || defined (CONFIG_TRAB)
+
+ #if defined(CONFIG_S3C2400)
+ #include <s3c2400.h>
+ #elif defined(CONFIG_S3C2410)
+ #include <s3c2410.h>
++#elif defined(CONFIG_S3C2440)
++#include <s3c2440.h>
+ #endif
+
+ #define MPLL 0
+@@ -66,8 +69,12 @@
+ m = ((r & 0xFF000) >> 12) + 8;
+ p = ((r & 0x003F0) >> 4) + 2;
+ s = r & 0x3;
+-
++#ifndef CONFIG_S3C2440
+ return((CONFIG_SYS_CLK_FREQ * m) / (p << s));
++#else
++ /* To avoid integer overflow, changed the calc order */
++ return( 2 * m * (CONFIG_SYS_CLK_FREQ / (p << s )) );
++#endif
+ }
+
+ /* return FCLK frequency */
+@@ -81,7 +88,21 @@
+ {
+ S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
+
++#ifndef CONFIG_S3C2440
+ return((clk_power->CLKDIVN & 0x2) ? get_FCLK()/2 : get_FCLK());
++#else
++ switch (clk_power->CLKDIVN & 0x6) {
++ case 0x0:
++ return get_FCLK();
++ case 0x2:
++ return get_FCLK()/2;
++ case 0x4:
++ return (clk_power->CAMDIVN & 0x200) ? get_FCLK()/8 : get_FCLK()/4;
++ case 0x6:
++ return (clk_power->CAMDIVN & 0x100) ? get_FCLK()/6 : get_FCLK()/3;
++ }
++ return 0;
++#endif
+ }
+
+ /* return PCLK frequency */
+@@ -98,4 +119,5 @@
+ return(get_PLLCLK(UPLL));
+ }
+
+-#endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) */
++#endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) ||
++ defined(CONFIG_S3C2440) || defined (CONFIG_TRAB) */
+Index: u-boot/cpu/arm920t/s3c24x0/interrupts.c
+===================================================================
+--- u-boot.orig/cpu/arm920t/s3c24x0/interrupts.c
++++ u-boot/cpu/arm920t/s3c24x0/interrupts.c
+@@ -30,13 +30,16 @@
+ */
+
+ #include <common.h>
+-#if defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB)
++#if defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || \
++ defined(CONFIG_S3C2440) || defined (CONFIG_TRAB)
+
+ #include <arm920t.h>
+ #if defined(CONFIG_S3C2400)
+ #include <s3c2400.h>
+ #elif defined(CONFIG_S3C2410)
+ #include <s3c2410.h>
++#elif defined(CONFIG_S3C2440)
++#include <s3c2440.h>
+ #endif
+
+ int timer_load_val = 0;
+@@ -59,6 +62,7 @@
+ /* use PWM Timer 4 because it has no output */
+ /* prescaler for Timer 4 is 16 */
+ timers->TCFG0 = 0x0f00;
++#ifndef CONFIG_S3C2440
+ if (timer_load_val == 0)
+ {
+ /*
+@@ -68,6 +72,9 @@
+ */
+ timer_load_val = get_PCLK()/(2 * 16 * 100);
+ }
++#else
++ timer_load_val = get_PCLK()/(2 * 16 * 100);
++#endif
+ /* load value for 10 ms timeout */
+ lastdec = timers->TCNTB4 = timer_load_val;
+ /* auto load, manual update of Timer 4 */
+@@ -178,6 +185,7 @@
+ tbclk = timer_load_val * 100;
+ #elif defined(CONFIG_SBC2410X) || \
+ defined(CONFIG_SMDK2410) || \
++ defined(CONFIG_SMDK2440) || \
+ defined(CONFIG_VCMA9)
+ tbclk = CFG_HZ;
+ #else
+@@ -232,4 +240,5 @@
+ }
+ #endif /* USE_IRQ */
+
+-#endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) */
++#endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) ||
++ defined(CONFIG_S3C2440) || defined (CONFIG_TRAB) */
+Index: u-boot/cpu/arm920t/s3c24x0/serial.c
+===================================================================
+--- u-boot.orig/cpu/arm920t/s3c24x0/serial.c
++++ u-boot/cpu/arm920t/s3c24x0/serial.c
+@@ -19,12 +19,15 @@
+ */
+
+ #include <common.h>
+-#if defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB)
++#if defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || \
++ defined(CONFIG_S3C2440) || defined (CONFIG_TRAB)
+
+ #if defined(CONFIG_S3C2400) || defined(CONFIG_TRAB)
+ #include <s3c2400.h>
+ #elif defined(CONFIG_S3C2410)
+ #include <s3c2410.h>
++#elif defined(CONFIG_S3C2440)
++#include <s3c2440.h>
+ #endif
+
+ DECLARE_GLOBAL_DATA_PTR;
+@@ -180,4 +183,5 @@
+ }
+ }
+
+-#endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) */
++#endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) ||
++ defined(CONFIG_S3C2440) || defined (CONFIG_TRAB) */
+Index: u-boot/cpu/arm920t/s3c24x0/i2c.c
+===================================================================
+--- u-boot.orig/cpu/arm920t/s3c24x0/i2c.c
++++ u-boot/cpu/arm920t/s3c24x0/i2c.c
+@@ -34,6 +34,8 @@
+ #include <s3c2400.h>
+ #elif defined(CONFIG_S3C2410)
+ #include <s3c2410.h>
++#elif defined(CONFIG_S3C2440)
++#include <s3c2440.h>
+ #endif
+ #include <i2c.h>
+
+@@ -63,7 +65,7 @@
+ {
+ S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+-#ifdef CONFIG_S3C2410
++#if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ return (gpio->GPEDAT & 0x8000) >> 15;
+ #endif
+ #ifdef CONFIG_S3C2400
+@@ -82,7 +84,7 @@
+ {
+ S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+-#ifdef CONFIG_S3C2410
++#if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ gpio->GPEDAT = (gpio->GPEDAT & ~0x4000) | (x&1) << 14;
+ #endif
+ #ifdef CONFIG_S3C2400
+@@ -139,7 +141,7 @@
+ }
+
+ if ((status & I2CSTAT_BSY) || GetI2CSDA () == 0) {
+-#ifdef CONFIG_S3C2410
++#if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ ulong old_gpecon = gpio->GPECON;
+ #endif
+ #ifdef CONFIG_S3C2400
+@@ -147,7 +149,7 @@
+ #endif
+ /* bus still busy probably by (most) previously interrupted transfer */
+
+-#ifdef CONFIG_S3C2410
++#if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ /* set I2CSDA and I2CSCL (GPE15, GPE14) to GPIO */
+ gpio->GPECON = (gpio->GPECON & ~0xF0000000) | 0x10000000;
+ #endif
+@@ -171,7 +173,7 @@
+ udelay (1000);
+
+ /* restore pin functions */
+-#ifdef CONFIG_S3C2410
++#if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ gpio->GPECON = old_gpecon;
+ #endif
+ #ifdef CONFIG_S3C2400
+Index: u-boot/drivers/usbdcore_s3c2410.c
+===================================================================
+--- u-boot.orig/drivers/usbdcore_s3c2410.c
++++ u-boot/drivers/usbdcore_s3c2410.c
+@@ -24,7 +24,7 @@
+
+ #include <config.h>
+
+-#if defined(CONFIG_S3C2410) && defined(CONFIG_USB_DEVICE)
++#if (defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)) && defined(CONFIG_USB_DEVICE)
+
+ #include <common.h>
+
+Index: u-boot/drivers/usbtty.h
+===================================================================
+--- u-boot.orig/drivers/usbtty.h
++++ u-boot/drivers/usbtty.h
+@@ -29,7 +29,7 @@
+ #include "usbdcore_mpc8xx.h"
+ #elif defined(CONFIG_OMAP1510)
+ #include "usbdcore_omap1510.h"
+-#elif defined(CONFIG_S3C2410)
++#elif defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ #include "usbdcore_s3c2410.h"
+ #endif
+
+Index: u-boot/cpu/arm920t/start.S
+===================================================================
+--- u-boot.orig/cpu/arm920t/start.S
++++ u-boot/cpu/arm920t/start.S
+@@ -31,7 +31,11 @@
+
+ #include <config.h>
+ #include <version.h>
++#if defined(CONFIG_S3C2410)
+ #include <s3c2410.h>
++#elif defined(CONFIG_S3C2440)
++#include <s3c2440.h>
++#endif
+
+
+ /*
+@@ -142,14 +146,32 @@
+ # define pWTCON 0x15300000
+ # define INTMSK 0x14400008 /* Interupt-Controller base addresses */
+ # define CLKDIVN 0x14800014 /* clock divisor register */
+-#elif defined(CONFIG_S3C2410)
++#elif defined(CONFIG_S3C2410) || defined (CONFIG_S3C2440)
+ # define pWTCON 0x53000000
+ # define INTMSK 0x4A000008 /* Interupt-Controller base addresses */
+ # define INTSUBMSK 0x4A00001C
+ # define CLKDIVN 0x4C000014 /* clock divisor register */
+ #endif
+
+-#if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410)
++#if defined(CONFIG_S3C2410)
++# define INTSUBMSK_val 0x7ff
++# define MPLLCON_val ((0x90 << 12) + (0x7 << 4) + 0x0) /* 202 MHz */
++# define UPLLCON_val ((0x78 << 12) + (0x2 << 4) + 0x3)
++# define CLKDIVN_val 3 /* FCLK:HCLK:PCLK = 1:2:4 */
++#elif defined(CONFIG_S3C2440)
++# define INTSUBMSK_val 0xffff
++#if (CONFIG_SYS_CLK_FREQ == 16934400)
++# define MPLLCON_val ((0x61 << 12) + (0x1 << 4) + 0x2) /* 296.35 MHz */
++# define UPLLCON_val ((0x3c << 12) + (0x4 << 4) + 0x2) /* 47.98 MHz */
++#else if (CONFIG_SYS_CLK_FREQ == 12000000)
++# define MPLLCON_val ((0x44 << 12) + (0x1 << 4) + 0x1) /* 304.00 MHz */
++# define UPLLCON_val ((0x38 << 12) + (0x2 << 4) + 0x2) /* 48.00 MHz */
++#endif
++# define CLKDIVN_val 7 /* FCLK:HCLK:PCLK = 1:3:6 */
++# define CAMDIVN 0x4C000018
++#endif
++
++#if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ ldr r0, =pWTCON
+ mov r1, #0x0
+ str r1, [r0]
+@@ -160,24 +182,34 @@
+ mov r1, #0xffffffff
+ ldr r0, =INTMSK
+ str r1, [r0]
+-# if defined(CONFIG_S3C2410)
+- ldr r1, =0x3ff
++# if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
++ ldr r1, =INTSUBMSK_val
+ ldr r0, =INTSUBMSK
+ str r1, [r0]
+ # endif
+
+- /* default FCLK is 202 MHz ! */
++#if defined(CONFIG_S3C2440)
++ /* Make sure we get FCLK:HCLK:PCLK = 1:3:6 */
++ ldr r0, =CAMDIVN
++ mov r1, #0
++ str r1, [r0]
++#endif
++
++ /* Clock asynchronous mode */
++ mrc p15, 0, r1, c1, c0, 0
++ orr r1, r1, #0xc0000000
++ mcr p15, 0, r1, c1, c0, 0
++
++
+ #define LOCKTIME 0x4c000000
+ #define UPLLCON 0x4c000008
+-//#define MPLLCFG ((0x90 << 12) + (0x2 << 4) + 0x2)
+-#define MPLLCFG ((0x90 << 12) + (0x7 << 4) + 0x0)
+-#define UPLLCFG ((0x78 << 12) + (0x2 << 4) + 0x3)
++
+ ldr r0, =LOCKTIME
+ mov r1, #0xffffff
+ str r1, [r0]
+
+ ldr r0, =UPLLCON
+- ldr r1, =UPLLCFG
++ ldr r1, =UPLLCON_val
+ str r1, [r0]
+
+ /* Page 7-19, seven nops between UPLL and MPLL */
+@@ -189,12 +221,12 @@
+ nop
+ nop
+
+- ldr r1, =MPLLCFG
++ ldr r1, =MPLLCON_val
+ str r1, [r0, #-4] /* MPLLCON */
+
+ /* FCLK:HCLK:PCLK = 1:2:4 */
+ ldr r0, =CLKDIVN
+- mov r1, #3
++ mov r1, #CLKDIVN_val
+ str r1, [r0]
+
+ #if 1
+@@ -222,7 +254,7 @@
+ str r1, [r0, #0x28]
+ #endif
+
+-#endif /* CONFIG_S3C2400 || CONFIG_S3C2410 */
++#endif /* CONFIG_S3C2400 || CONFIG_S3C2410 || CONFIG_S3C2440 */
+
+ #ifndef CONFIG_SKIP_LOWLEVEL_INIT
+ #ifndef CONFIG_LL_INIT_NAND_ONLY
+@@ -279,7 +311,7 @@
+ #if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && defined(CONFIG_LL_INIT_NAND_ONLY)
+ bl cpu_init_crit
+ #endif
+-#if defined(CONFIG_S3C2410)
++#if defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440)
+ /* ensure some refresh has happened */
+ ldr r1, =0xfffff
+ 1: subs r1, r1, #1
+@@ -290,11 +322,12 @@
+ ldr r0, [ r1 ]
+ tst r0, #0x02 /* is this resume from power down */
+ ldrne pc, [r1, #4] /* gstatus3 */
+-#endif /* CONFIG_S3C2410 */
++#endif /* CONFIG_S3C2410 || CONFIG_S3C2440 */
+ #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
+
+ /* mov r10, lr */
+
++#if defined(CONFIG_S3C2410)
+ @ reset NAND
+ mov r1, #S3C2410_NAND_BASE
+ ldr r2, =0xf842 @ initial value enable tacls=3,rph0=6,rph1=0
+@@ -314,6 +347,17 @@
+ ldr r2, [r1, #oNFCONF]
+ orr r2, r2, #0x800 @ disable chip
+ str r2, [r1, #oNFCONF]
++#elif defined(CONFIG_S3C2440)
++ mov r1, #S3C2440_NAND_BASE
++ ldr r2, =0xfff0 @ initial value tacls=3,rph0=7,rph1=7
++ ldr r3, [r1, #oNFCONF]
++ orr r3, r3, r2
++ str r3, [r1, #oNFCONF]
++
++ ldr r3, [r1, #oNFCONT]
++ orr r3, r3, #1 @ enable nand controller
++ str r3, [r1, #oNFCONT]
++#endif
+
+ #if 0
+ @ get ready to call C functions (for nand_read())
+@@ -382,7 +426,7 @@
+ #endif /* CONFIG_S3C2410_NAND_BOOT */
+ done_relocate:
+
+-#if defined(CONFIG_USE_IRQ) && defined(CONFIG_S3C2410)
++#if defined(CONFIG_USE_IRQ) && (defined(CONFIG_S3C2410) || defined(CONFIG_S3C2440))
+ /* In the case of the S3C2410, if we've somehow magically (JTAG, ...)
+ ended up in RAM, then that ram is mapped to 0x30000000 and not 0.
+ So we need to copy the interrupt vectors, etc. */
+Index: u-boot/cpu/arm920t/s3c24x0/nand_read.c
+===================================================================
+--- u-boot.orig/cpu/arm920t/s3c24x0/nand_read.c
++++ u-boot/cpu/arm920t/s3c24x0/nand_read.c
+@@ -16,30 +16,141 @@
+ */
+
+ #include <common.h>
++#include <linux/mtd/nand.h>
+
+ #ifdef CONFIG_S3C2410_NAND_BOOT
+
+ #define __REGb(x) (*(volatile unsigned char *)(x))
++#define __REGw(x) (*(volatile unsigned short *)(x))
+ #define __REGi(x) (*(volatile unsigned int *)(x))
+ #define NF_BASE 0x4e000000
++#if defined(CONFIG_S3C2410)
+ #define NFCONF __REGi(NF_BASE + 0x0)
+ #define NFCMD __REGb(NF_BASE + 0x4)
+ #define NFADDR __REGb(NF_BASE + 0x8)
+ #define NFDATA __REGb(NF_BASE + 0xc)
+ #define NFSTAT __REGb(NF_BASE + 0x10)
++#define NFSTAT_BUSY 1
++#define nand_select() (NFCONF &= ~0x800)
++#define nand_deselect() (NFCONF |= 0x800)
++#define nand_clear_RnB() do {} while (0)
++#elif defined(CONFIG_S3C2440)
++#define NFCONF __REGi(NF_BASE + 0x0)
++#define NFCONT __REGi(NF_BASE + 0x4)
++#define NFCMD __REGb(NF_BASE + 0x8)
++#define NFADDR __REGb(NF_BASE + 0xc)
++#define NFDATA __REGb(NF_BASE + 0x10)
++#define NFDATA16 __REGw(NF_BASE + 0x10)
++#define NFSTAT __REGb(NF_BASE + 0x20)
++#define NFSTAT_BUSY 1
++#define nand_select() (NFCONT &= ~(1 << 1))
++#define nand_deselect() (NFCONT |= (1 << 1))
++#define nand_clear_RnB() (NFSTAT |= (1 << 2))
++#endif
+
+-#define BUSY 1
+-inline void wait_idle(void)
++static inline void nand_wait(void)
+ {
+ int i;
+
+- while (!(NFSTAT & BUSY))
++ while (!(NFSTAT & NFSTAT_BUSY))
+ for (i=0; i<10; i++);
+ }
+
+-#define NAND_SECTOR_SIZE 512
+-#define NAND_BLOCK_MASK (NAND_SECTOR_SIZE - 1)
+-#define NAND_PAGE_SIZE 0x4000
++#if defined(CONFIG_S3C2410)
++/* configuration for 2410 with 512byte sized flash */
++#define NAND_PAGE_SIZE 512
++#define BAD_BLOCK_OFFSET 517
++#define NAND_BLOCK_MASK (NAND_PAGE_SIZE - 1)
++#define NAND_BLOCK_SIZE 0x4000
++#else
++/* configuration for 2440 with 2048byte sized flash */
++#define NAND_5_ADDR_CYCLE
++#define NAND_PAGE_SIZE 2048
++#define BAD_BLOCK_OFFSET NAND_PAGE_SIZE
++#define NAND_BLOCK_MASK (NAND_PAGE_SIZE - 1)
++#define NAND_BLOCK_SIZE (NAND_PAGE_SIZE * 64)
++#endif
++
++/* compile time failure in case of an invalid configuration */
++#if defined(CONFIG_S3C2410) && (NAND_PAGE_SIZE != 512)
++#error "S3C2410 does not support nand page size != 512"
++#endif
++
++static int is_bad_block(unsigned long i)
++{
++ unsigned char data;
++ unsigned long page_num;
++
++ /* FIXME: do this twice, for first and second page in block */
++
++ nand_clear_RnB();
++#if (NAND_PAGE_SIZE == 512)
++ NFCMD = NAND_CMD_READOOB; /* 0x50 */
++ NFADDR = BAD_BLOCK_OFFSET & 0xf;
++ NFADDR = (i >> 9) & 0xff;
++ NFADDR = (i >> 17) & 0xff;
++ NFADDR = (i >> 25) & 0xff;
++#elif (NAND_PAGE_SIZE == 2048)
++ page_num = i >> 11; /* addr / 2048 */
++ NFCMD = NAND_CMD_READ0;
++ NFADDR = BAD_BLOCK_OFFSET & 0xff;
++ NFADDR = (BAD_BLOCK_OFFSET >> 8) & 0xff;
++ NFADDR = page_num & 0xff;
++ NFADDR = (page_num >> 8) & 0xff;
++ NFADDR = (page_num >> 16) & 0xff;
++ NFCMD = NAND_CMD_READSTART;
++#endif
++ nand_wait();
++ data = (NFDATA & 0xff);
++ if (data != 0xff)
++ return 1;
++
++ return 0;
++}
++
++static int nand_read_page_ll(unsigned char *buf, unsigned long addr)
++{
++ unsigned short *ptr16 = (unsigned short *)buf;
++ unsigned int i, page_num;
++
++ nand_clear_RnB();
++
++ NFCMD = NAND_CMD_READ0;
++
++#if (NAND_PAGE_SIZE == 512)
++ /* Write Address */
++ NFADDR = addr & 0xff;
++ NFADDR = (addr >> 9) & 0xff;
++ NFADDR = (addr >> 17) & 0xff;
++ NFADDR = (addr >> 25) & 0xff;
++#elif (NAND_PAGE_SIZE == 2048)
++ page_num = addr >> 11; /* addr / 2048 */
++ /* Write Address */
++ NFADDR = 0;
++ NFADDR = 0;
++ NFADDR = page_num & 0xff;
++ NFADDR = (page_num >> 8) & 0xff;
++ NFADDR = (page_num >> 16) & 0xff;
++ NFCMD = NAND_CMD_READSTART;
++#else
++#error "unsupported nand page size"
++#endif
++ nand_wait();
++
++#if defined(CONFIG_S3C2410)
++ for (i = 0; i < NAND_PAGE_SIZE; i++) {
++ *buf = (NFDATA & 0xff);
++ buf++;
++ }
++#elif defined(CONFIG_S3C2440)
++ for (i = 0; i < NAND_PAGE_SIZE/2; i++) {
++ *ptr16 = NFDATA16;
++ ptr16++;
++ }
++#endif
++
++ return NAND_PAGE_SIZE;
++}
+
+ /* low level nand read function */
+ int nand_read_ll(unsigned char *buf, unsigned long start_addr, int size)
+@@ -50,47 +161,28 @@
+ return -1; /* invalid alignment */
+
+ /* chip Enable */
+- NFCONF &= ~0x800;
++ nand_select();
++ nand_clear_RnB();
+ for (i=0; i<10; i++);
+
+ for (i=start_addr; i < (start_addr + size);) {
+ #ifdef CONFIG_S3C2410_NAND_SKIP_BAD
+- if (start_addr % NAND_PAGE_SIZE == 0) {
+- unsigned char data;
+- NFCMD = 0x50;
+- NFADDR = 517&0xf;
+- NFADDR = (i >> 9) & 0xff;
+- NFADDR = (i >> 17) & 0xff;
+- NFADDR = (i >> 25) & 0xff;
+- wait_idle();
+- data = (NFDATA & 0xff);
+- if (data != 0xff) {
++ if (start_addr % NAND_BLOCK_SIZE == 0) {
++ if (is_bad_block(i)) {
+ /* Bad block */
+- i += NAND_PAGE_SIZE;
+- size += NAND_PAGE_SIZE;
++ i += NAND_BLOCK_SIZE;
++ size += NAND_BLOCK_SIZE;
+ continue;
+ }
+ }
+ #endif
+- /* READ0 */
+- NFCMD = 0;
+-
+- /* Write Address */
+- NFADDR = i & 0xff;
+- NFADDR = (i >> 9) & 0xff;
+- NFADDR = (i >> 17) & 0xff;
+- NFADDR = (i >> 25) & 0xff;
+-
+- wait_idle();
+-
+- for (j=0; j < NAND_SECTOR_SIZE; j++, i++) {
+- *buf = (NFDATA & 0xff);
+- buf++;
+- }
++ j = nand_read_page_ll(buf, i);
++ i += j;
++ buf += j;
+ }
+
+ /* chip Disable */
+- NFCONF |= 0x800; /* chip disable */
++ nand_deselect();
+
+ return 0;
+ }
+Index: u-boot/cpu/arm920t/s3c24x0/nand.c
+===================================================================
+--- u-boot.orig/cpu/arm920t/s3c24x0/nand.c
++++ u-boot/cpu/arm920t/s3c24x0/nand.c
+@@ -36,24 +36,54 @@
+ #define __REGi(x) (*(volatile unsigned int *)(x))
+
+ #define NF_BASE 0x4e000000
++
+ #define NFCONF __REGi(NF_BASE + 0x0)
+-#define NFCMD __REGb(NF_BASE + 0x4)
+-#define NFADDR __REGb(NF_BASE + 0x8)
+-#define NFDATA __REGb(NF_BASE + 0xc)
+-#define NFSTAT __REGb(NF_BASE + 0x10)
++
++#if defined(CONFIG_S3C2410)
++
++#define oNFCMD 0x4
++#define oNFADDR 0x8
++#define oNFDATA 0xc
++#define oNFSTAT 0x10
+ #define NFECC0 __REGb(NF_BASE + 0x14)
+ #define NFECC1 __REGb(NF_BASE + 0x15)
+ #define NFECC2 __REGb(NF_BASE + 0x16)
++#define NFCONF_nFCE (1<<11)
+
+ #define S3C2410_NFCONF_EN (1<<15)
+ #define S3C2410_NFCONF_512BYTE (1<<14)
+ #define S3C2410_NFCONF_4STEP (1<<13)
+ #define S3C2410_NFCONF_INITECC (1<<12)
+-#define S3C2410_NFCONF_nFCE (1<<11)
+ #define S3C2410_NFCONF_TACLS(x) ((x)<<8)
+ #define S3C2410_NFCONF_TWRPH0(x) ((x)<<4)
+ #define S3C2410_NFCONF_TWRPH1(x) ((x)<<0)
+
++#elif defined(CONFIG_S3C2440)
++
++#define oNFCMD 0x8
++#define oNFADDR 0xc
++#define oNFDATA 0x10
++#define oNFSTAT 0x20
++
++#define NFCONT __REGi(NF_BASE + 0x04)
++#define NFMECC0 __REGi(NF_BASE + 0x2C)
++#define NFCONF_nFCE (1<<1)
++#define S3C2440_NFCONF_INITECC (1<<4)
++#define S3C2440_NFCONF_MAINECCLOCK (1<<5)
++#define nand_select() (NFCONT &= ~(1 << 1))
++#define nand_deselect() (NFCONT |= (1 << 1))
++#define nand_clear_RnB() (NFSTAT |= (1 << 2))
++#define nand_detect_RB() { while(!(NFSTAT&(1<<2))); }
++#define nand_wait() { while(!(NFSTAT & 0x4)); } /* RnB_TransDectect */
++
++#endif
++
++#define NFCMD __REGb(NF_BASE + oNFCMD)
++#define NFADDR __REGb(NF_BASE + oNFADDR)
++#define NFDATA __REGb(NF_BASE + oNFDATA)
++#define NFSTAT __REGb(NF_BASE + oNFSTAT)
++
++
+ static void s3c2410_hwcontrol(struct mtd_info *mtd, int cmd)
+ {
+ struct nand_chip *chip = mtd->priv;
+@@ -62,23 +92,31 @@
+
+ switch (cmd) {
+ case NAND_CTL_SETNCE:
+- NFCONF &= ~S3C2410_NFCONF_nFCE;
++#if defined(CONFIG_S3C2410)
++ NFCONF &= ~NFCONF_nFCE;
++#elif defined(CONFIG_S3C2440)
++ NFCONT &= ~NFCONF_nFCE;
++#endif
+ DEBUGN("NFCONF=0x%08x\n", NFCONF);
+ break;
+ case NAND_CTL_CLRNCE:
+- NFCONF |= S3C2410_NFCONF_nFCE;
++#if defined(CONFIG_S3C2410)
++ NFCONF |= NFCONF_nFCE;
++#elif defined(CONFIG_S3C2440)
++ NFCONT &= ~NFCONF_nFCE;
++#endif
+ DEBUGN("NFCONF=0x%08x\n", NFCONF);
+ break;
+ case NAND_CTL_SETALE:
+- chip->IO_ADDR_W = NF_BASE + 0x8;
++ chip->IO_ADDR_W = NF_BASE + oNFADDR;
+ DEBUGN("SETALE\n");
+ break;
+ case NAND_CTL_SETCLE:
+- chip->IO_ADDR_W = NF_BASE + 0x4;
++ chip->IO_ADDR_W = NF_BASE + oNFCMD;
+ DEBUGN("SETCLE\n");
+ break;
+ default:
+- chip->IO_ADDR_W = NF_BASE + 0xc;
++ chip->IO_ADDR_W = NF_BASE + oNFDATA;
+ break;
+ }
+ return;
+@@ -180,16 +218,21 @@
+ /* initialize hardware */
+ twrph0 = 3; twrph1 = 0; tacls = 0;
+
++#if defined(CONFIG_S3C2410)
+ cfg = S3C2410_NFCONF_EN;
+ cfg |= S3C2410_NFCONF_TACLS(tacls - 1);
+ cfg |= S3C2410_NFCONF_TWRPH0(twrph0 - 1);
+ cfg |= S3C2410_NFCONF_TWRPH1(twrph1 - 1);
+
+ NFCONF = cfg;
+- //NFCONF = 0xf842;
++#elif defined(CONFIG_S3C2440)
++ twrph0 = 7; twrph1 = 7; tacls = 7;
++ NFCONF = (tacls<<12)|(twrph0<<8)|(twrph1<<4)|(0<<0);
++ NFCONT = (0<<13)|(0<<12)|(0<<10)|(0<<9)|(0<<8)|(1<<6)|(1<<5)|(1<<4)|(1<<1)|(1<<0);
++#endif
+
+ /* initialize nand_chip data structure */
+- nand->IO_ADDR_R = nand->IO_ADDR_W = 0x4e00000c;
++ nand->IO_ADDR_R = nand->IO_ADDR_W = NF_BASE + oNFDATA;
+
+ /* read_buf and write_buf are default */
+ /* read_byte and write_byte are default */
+@@ -214,12 +257,23 @@
+ nand->options = 0;
+ #endif
+
++#if defined(CONFIG_S3C2440)
++/*
++ nand_select();
++ nand_clear_RnB();
++ NFCMD = NAND_CMD_RESET;
++ { volatile int i; for (i = 0; i < 10; i ++); }
++ nand_detect_RB();
++ nand_deselect();
++*/
++#endif
++
+ DEBUGN("end of nand_init\n");
+
+ return 0;
+ }
+
+ #else
+- #error "U-Boot legacy NAND support not available for S3C2410"
++ #error "U-Boot legacy NAND support not available for S3C24xx"
+ #endif
+ #endif
+Index: u-boot/cpu/arm920t/s3c24x0/mmc.c
+===================================================================
+--- u-boot.orig/cpu/arm920t/s3c24x0/mmc.c
++++ u-boot/cpu/arm920t/s3c24x0/mmc.c
+@@ -137,6 +137,9 @@
+ dcon |= S3C2410_SDIDCON_RXAFTERCMD|S3C2410_SDIDCON_XFER_RXSTART;
+ if (wide)
+ dcon |= S3C2410_SDIDCON_WIDEBUS;
++#if defined(CONFIG_S3C2440)
++ dcon |= S3C2440_SDIDCON_DS_WORD | S3C2440_SDIDCON_DATSTART;
++#endif
+ sdi->SDIDCON = dcon;
+
+ /* send read command */
+@@ -394,13 +397,18 @@
+
+ clk_power->CLKCON |= (1 << 9);
+
++ sdi->SDIBSIZE = 512;
++#if defined(CONFIG_S3C2410)
+ /* S3C2410 has some bug that prevents reliable operation at higher speed */
+ //sdi->SDIPRE = 0x3e; /* SDCLK = PCLK/2 / (SDIPRE+1) = 396kHz */
+- sdi->SDIPRE = 0x02; /* SDCLK = PCLK/2 / (SDIPRE+1) = 396kHz */
+- sdi->SDIBSIZE = 512;
++ sdi->SDIPRE = 0x02; /* 2410: SDCLK = PCLK/2 / (SDIPRE+1) = 11MHz */
+ sdi->SDIDTIMER = 0xffff;
++#elif defined(CONFIG_S3C2440)
++ sdi->SDIPRE = 0x05; /* 2410: SDCLK = PCLK / (SDIPRE+1) = 11MHz */
++ sdi->SDIDTIMER = 0x7fffff;
++#endif
+ sdi->SDIIMSK = 0x0;
+- sdi->SDICON = S3C2410_SDICON_FIFORESET|S3C2440_SDICON_MMCCLOCK;
++ sdi->SDICON = S3C2410_SDICON_FIFORESET|S3C2410_SDICON_CLOCKTYPE;
+ udelay(125000); /* FIXME: 74 SDCLK cycles */
+
+ mmc_csd.c_size = 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 17:36:45 +0000