*
* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
*
+ * Copyright (C) 2008 Prodrive BV <pv@prodrive.nl>
+ * Changed:
+ * Made board specific defines such as DDR timing and PLL
+ * dividers. These should be set in the board config file
+ *
* Partially based on TI sources, original copyrights follow:
*/
/* Program the PLL Multiplier */
ldr r6, PLL2_PLLM
- mov r2, $0x17 /* 162 MHz */
+ mov r2, $CFG_DAVINCI_PLL2_PLLM
str r2, [r6]
/* Program the PLL2 Divisor Value */
ldr r6, PLL2_DIV2
- mov r3, $0x01
+ mov r3, $CFG_DAVINCI_PLL2_DIV2
str r3, [r6]
/* Program the PLL2 Divisor Value */
ldr r6, PLL2_DIV1
- mov r4, $0x0b /* 54 MHz */
+ mov r4, $CFG_DAVINCI_PLL2_DIV1
str r4, [r6]
/* PLL2 DIV2 MMR */
bne checkDDRStatClkStop
/*------------------------------------------------------*
- * Program DDR2 MMRs for 162MHz Setting *
+ * Program DDR2 MMRs *
*------------------------------------------------------*/
/* Program PHY Control Register */
/* Program SDRAM TIM-0 Config Register */
ldr r6, SDTIM0
- ldr r7, SDTIM0_VAL_162MHz
+ ldr r7, SDTIM0_VAL
str r7, [r6]
/* Program SDRAM TIM-1 Config Register */
ldr r6, SDTIM1
- ldr r7, SDTIM1_VAL_162MHz
+ ldr r7, SDTIM1_VAL
str r7, [r6]
/* Program the SDRAM Bank Config Control Register */
/* Program the PLL Multiplier */
ldr r6, PLL1_PLLM
- mov r3, $0x15 /* For 594MHz */
+ mov r3, $CFG_DAVINCI_PLL1_PLLM
str r3, [r6]
/* Wait for PLL to Reset Properly */
nop
/*------------------------------------------------------*
- * AEMIF configuration for NOR Flash (double check) *
+ * AEMIF configuration for NAND/NOR Flash *
*------------------------------------------------------*/
ldr r0, _PINMUX0
ldr r1, _DEV_SETTING
orr r2, r2, r1
str r2, [r0]
+ ldr r0, ACFG2
+ ldr r1, ACFG2_VAL
+ ldr r2, [r0]
+ and r1, r2, r1
+ str r1, [r0]
+
ldr r0, ACFG3
ldr r1, ACFG3_VAL
ldr r2, [r0]
and r1, r2, r1
str r1, [r0]
+ ldr r0, NANDFCR
+ ldr r1, NANDFCR_VAL
+ ldr r2, [r0]
+ and r1, r2, r1
+ str r1, [r0]
+
/*--------------------------------------*
* VTP manual Calibration *
*--------------------------------------*/
.word 0x01c40004 /* Device Configuration Registers */
_DEV_SETTING:
- .word 0x00000c1f
+ .word CFG_DAVINCI_PINMUX_0
WAITCFG:
.word 0x01e00004
WAITCFG_VAL:
- .word 0
+ .word CFG_DAVINCI_WAITCFG
+ACFG2:
+ .word 0x01e00010
+ACFG2_VAL:
+ .word CFG_DAVINCI_ACFG2
ACFG3:
.word 0x01e00014
ACFG3_VAL:
- .word 0x3ffffffd
+ .word CFG_DAVINCI_ACFG3
ACFG4:
.word 0x01e00018
ACFG4_VAL:
- .word 0x3ffffffd
+ .word CFG_DAVINCI_ACFG4
ACFG5:
.word 0x01e0001c
ACFG5_VAL:
- .word 0x3ffffffd
+ .word CFG_DAVINCI_ACFG5
+NANDFCR:
+ .word 0x01e00060
+NANDFCR_VAL:
+#ifdef CFG_DAVINCI_NANDCE
+ .word (1 << (CFG_DAVINCI_NANDCE - 2))
+#else
+ .word 0x00000000
+#endif
MDCTL_DDR2:
.word 0x01c41a34
PSC_GEM_FLAG_CLEAR:
.word 0xfffffeff
-/* DDR2 MMR & CONFIGURATION VALUES, 162 MHZ clock */
+/* DDR2 MMR & CONFIGURATION VALUES */
DDRCTL:
.word 0x200000e4
DDRCTL_VAL:
- .word 0x50006405
+ .word CFG_DAVINCI_DDRCTL
SDREF:
.word 0x2000000c
SDREF_VAL:
- .word 0x000005c3
+ .word CFG_DAVINCI_SDREF
SDCFG:
.word 0x20000008
SDCFG_VAL:
-#ifdef DDR_4BANKS
- .word 0x00178622
-#elif defined DDR_8BANKS
- .word 0x00178632
-#else
-#error "Unknown DDR configuration!!!"
-#endif
+ .word CFG_DAVINCI_SDCFG
SDTIM0:
.word 0x20000010
-SDTIM0_VAL_162MHz:
- .word 0x28923211
+SDTIM0_VAL:
+ .word CFG_DAVINCI_SDTIM0
SDTIM1:
.word 0x20000014
-SDTIM1_VAL_162MHz:
- .word 0x0016c722
+SDTIM1_VAL:
+ .word CFG_DAVINCI_SDTIM1
VTPIOCR:
.word 0x200000f0 /* VTP IO Control register */
DDRVTPR:
MMARG_BRF0:
.word 0x01c42010 /* BRF margin mode 0 (R/W)*/
MMARG_BRF0_VAL:
- .word 0x00444400
+ .word CFG_DAVINCI_MMARG_BRF0
DDR2_START_ADDR:
.word 0x80000000
dummy = emif_addr->NANDF3ECC;
dummy = emif_addr->NANDF4ECC;
- emif_addr->NANDFCR |= (1 << 8);
+ emif_addr->NANDFCR |= (1 << (CFG_DAVINCI_NANDCE + 6));
}
static u_int32_t nand_davinci_readecc(struct mtd_info *mtd, u_int32_t region)
n = (this->eccmode == NAND_ECC_HW12_2048) ? 4 : 1;
- region = 1;
+ region = (CFG_DAVINCI_NANDCE - 1);
while (n--) {
tmp = nand_davinci_readecc(mtd, region);
*ecc_code++ = tmp;
static void nand_flash_init(void)
{
- u_int32_t acfg1 = 0x3ffffffc;
- u_int32_t acfg2 = 0x3ffffffc;
- u_int32_t acfg3 = 0x3ffffffc;
- u_int32_t acfg4 = 0x3ffffffc;
- emifregs emif_regs;
-
- /*------------------------------------------------------------------*
- * NAND FLASH CHIP TIMEOUT @ 459 MHz *
- * *
- * AEMIF.CLK freq = PLL1/6 = 459/6 = 76.5 MHz *
- * AEMIF.CLK period = 1/76.5 MHz = 13.1 ns *
- * *
- *------------------------------------------------------------------*/
- acfg1 = 0
- | (0 << 31 ) /* selectStrobe */
- | (0 << 30 ) /* extWait */
- | (1 << 26 ) /* writeSetup 10 ns */
- | (3 << 20 ) /* writeStrobe 40 ns */
- | (1 << 17 ) /* writeHold 10 ns */
- | (1 << 13 ) /* readSetup 10 ns */
- | (5 << 7 ) /* readStrobe 60 ns */
- | (1 << 4 ) /* readHold 10 ns */
- | (3 << 2 ) /* turnAround ?? ns */
- | (0 << 0 ) /* asyncSize 8-bit bus */
- ;
-
- emif_regs = (emifregs)DAVINCI_ASYNC_EMIF_CNTRL_BASE;
-
- emif_regs->AWCCR |= 0x10000000;
- emif_regs->AB1CR = acfg1; /* 0x08244128 */;
- emif_regs->AB2CR = acfg2;
- emif_regs->AB3CR = acfg3;
- emif_regs->AB4CR = acfg4;
- emif_regs->NANDFCR = 0x00000101;
+ /* All EMIF initialization is done in lowlevel_init.S
+ * and config values are in the board config files
+ */
}
int board_nand_init(struct nand_chip *nand)
#define VDD3P3V_PWDN (0x01c40048)
#define UART0_PWREMU_MGMT (0x01c20030)
+#define UART1_PWREMU_MGMT (0x01c20430)
+#define UART2_PWREMU_MGMT (0x01c20830)
#define PSC_SILVER_BULLET (0x01c41a20)
#define DV_EVM
#define CFG_NAND_SMALLPAGE
#define CFG_USE_NOR
+#define CFG_USE_INTEL_NOR /* Define this when your DVEVM has Intel
+ * flash instead of AMD flash
+ */
/*===================*/
/* SoC Configuration */
/*===================*/
#define CFG_TIMERBASE 0x01c21400 /* use timer 0 */
#define CFG_HZ_CLOCK 27000000 /* Timer Input clock freq */
#define CFG_HZ 1000
+#define CFG_DAVINCI_PINMUX_0 0x00000c1f
+#define CFG_DAVINCI_WAITCFG 0x00000000
+#define CFG_DAVINCI_ACFG2 0x3ffffffd /* CE configs */
+#define CFG_DAVINCI_ACFG3 0x3ffffffd
+#define CFG_DAVINCI_ACFG4 0x3ffffffd
+#define CFG_DAVINCI_ACFG5 0x3ffffffd
+#undef CFG_DAVINCI_NANDCE /* When using NAND, define 2,3 or 4 */
+#define CFG_DAVINCI_DDRCTL 0x50006405 /* DDR timing config */
+#define CFG_DAVINCI_SDREF 0x000005c3
+#define CFG_DAVINCI_SDCFG 0x00178632 /* 8 banks */
+#define CFG_DAVINCI_SDTIM0 0x28923211
+#define CFG_DAVINCI_SDTIM1 0x0016c722
+#define CFG_DAVINCI_MMARG_BRF0 0x00444400
+/* DM6446 = 0x15, DM6441 = 0x12, DM6441_LV = 0x0e */
+#define CFG_DAVINCI_PLL1_PLLM 0x15
+#define CFG_DAVINCI_PLL2_PLLM 0x17 /* 162 MHz */
+#define CFG_DAVINCI_PLL2_DIV1 0x0b /* 54 MHz */
+#define CFG_DAVINCI_PLL2_DIV2 0x01
/*====================================================*/
/* EEPROM definitions for Atmel 24C256BN SEEPROM chip */
/* on Sonata/DV_EVM board. No EEPROM on schmoogie. */
#ifdef CFG_USE_NAND
#undef CFG_ENV_IS_IN_FLASH
#define CFG_NO_FLASH
-#define CFG_ENV_IS_IN_NAND /* U-Boot env in NAND Flash */
+#define CFG_ENV_IS_IN_NAND /* U-Boot env in NAND Flash */
#ifdef CFG_NAND_SMALLPAGE
#define CFG_ENV_SECT_SIZE 512 /* Env sector Size */
#define CFG_ENV_SIZE SZ_16K
#undef CONFIG_SKIP_RELOCATE_UBOOT
#endif
#define CFG_ENV_IS_IN_FLASH
-#undef CFG_NO_FLASH
+#undef CFG_NO_FLASH
#define CFG_FLASH_CFI_DRIVER
#define CFG_FLASH_CFI
#define CFG_MAX_FLASH_BANKS 1 /* max number of flash banks */
-#define CFG_FLASH_SECT_SZ 0x10000 /* 64KB sect size AMD Flash */
-#define CFG_ENV_OFFSET (CFG_FLASH_SECT_SZ*3)
-#define PHYS_FLASH_1 0x02000000 /* CS2 Base address */
+#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x40000)
+#define CFG_ENV_OFFSET (CFG_ENV_ADDR)
+#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
+#define PHYS_FLASH_1 0x02000000 /* CS2 Base address */
#define CFG_FLASH_BASE PHYS_FLASH_1 /* Flash Base for U-Boot */
-#define PHYS_FLASH_SIZE 0x2000000 /* Flash size 32MB */
+#define PHYS_FLASH_SIZE 0x2000000 /* Flash size 32MB */
#define CFG_MAX_FLASH_SECT (PHYS_FLASH_SIZE/CFG_FLASH_SECT_SZ)
#define CFG_ENV_SECT_SIZE CFG_FLASH_SECT_SZ /* Env sector Size */
+#ifdef CFG_USE_INTEL_NOR
+#define CFG_FLASH_SECT_SZ 0x20000 /* 128KB sect size INTEL Flash */
+#define CFG_FLASH_PROTECTION 1
+#else
+#define CFG_FLASH_SECT_SZ 0x10000 /* 64KB sect size AMD Flash */
+#endif
#endif
/*==============================*/
/* U-Boot general configuration */
/*==============================*/
-#undef CONFIG_USE_IRQ /* No IRQ/FIQ in U-Boot */
+#undef CONFIG_USE_IRQ /* No IRQ/FIQ in U-Boot */
#define CONFIG_MISC_INIT_R
-#undef CONFIG_BOOTDELAY
+#undef CONFIG_BOOTDELAY
#define CONFIG_BOOTFILE "uImage" /* Boot file name */
#define CFG_PROMPT "U-Boot > " /* Monitor Command Prompt */
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#define CFG_TIMERBASE 0x01c21400 /* use timer 0 */
#define CFG_HZ_CLOCK 27000000 /* Timer Input clock freq */
#define CFG_HZ 1000
+#define CFG_DAVINCI_PINMUX_0 0x00000c1f
+#define CFG_DAVINCI_WAITCFG 0x00000000
+#define CFG_DAVINCI_ACFG2 0x0432229c /* CE configs */
+#define CFG_DAVINCI_ACFG3 0x3ffffffd
+#define CFG_DAVINCI_ACFG4 0x3ffffffd
+#define CFG_DAVINCI_ACFG5 0x3ffffffd
+#define CFG_DAVINCI_NANDCE 2 /* When using NAND, define 2,3 or 4 */
+#define CFG_DAVINCI_DDRCTL 0x50006405 /* DDR timing config */
+#define CFG_DAVINCI_SDREF 0x000005c3
+#define CFG_DAVINCI_SDCFG 0x00178622 /* 4 banks */
+#define CFG_DAVINCI_SDTIM0 0x28923211
+#define CFG_DAVINCI_SDTIM1 0x0016c722
+#define CFG_DAVINCI_MMARG_BRF0 0x00444400
+/* DM6446 = 0x15, DM6441 = 0x12, DM6441_LV = 0x0e */
+#define CFG_DAVINCI_PLL1_PLLM 0x15
+#define CFG_DAVINCI_PLL2_PLLM 0x17 /* 162 MHz */
+#define CFG_DAVINCI_PLL2_DIV1 0x0b /* 54 MHz */
+#define CFG_DAVINCI_PLL2_DIV2 0x01
/*=============*/
/* Memory Info */
/*=============*/
#define CONFIG_STACKSIZE (256*1024) /* regular stack */
#define PHYS_SDRAM_1 0x80000000 /* DDR Start */
#define PHYS_SDRAM_1_SIZE 0x08000000 /* DDR size 128MB */
-#define DDR_4BANKS /* 4-bank DDR2 (128MB) */
/*====================*/
/* Serial Driver info */
/*====================*/
#define CFG_TIMERBASE 0x01c21400 /* use timer 0 */
#define CFG_HZ_CLOCK 27000000 /* Timer Input clock freq */
#define CFG_HZ 1000
+#define CFG_DAVINCI_PINMUX_0 0x00000c1f
+#define CFG_DAVINCI_WAITCFG 0x00000000
+#define CFG_DAVINCI_ACFG2 0x3ffffffd /* CE configs */
+#define CFG_DAVINCI_ACFG3 0x3ffffffd
+#define CFG_DAVINCI_ACFG4 0x3ffffffd
+#define CFG_DAVINCI_ACFG5 0x3ffffffd
+#undef CFG_DAVINCI_NANDCE /* When using NAND, define 2,3 or 4 */
+#define CFG_DAVINCI_DDRCTL 0x50006405 /* DDR timing config */
+#define CFG_DAVINCI_SDREF 0x000005c3
+#define CFG_DAVINCI_SDCFG 0x00178632 /* 8 banks */
+#define CFG_DAVINCI_SDTIM0 0x28923211
+#define CFG_DAVINCI_SDTIM1 0x0016c722
+#define CFG_DAVINCI_MMARG_BRF0 0x00444400
+/* DM6446 = 0x15, DM6441 = 0x12, DM6441_LV = 0x0e */
+#define CFG_DAVINCI_PLL1_PLLM 0x15
+#define CFG_DAVINCI_PLL2_PLLM 0x17 /* 162 MHz */
+#define CFG_DAVINCI_PLL2_DIV1 0x0b /* 54 MHz */
+#define CFG_DAVINCI_PLL2_DIV2 0x01
/*====================================================*/
/* EEPROM definitions for Atmel 24C256BN SEEPROM chip */
/* on Sonata/DV_EVM board. No EEPROM on schmoogie. */
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