diff options
| author | Stefan Roese <sr@denx.de> | 2005-08-04 17:09:16 +0200 | 
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2005-08-04 17:09:16 +0200 | 
| commit | 17f50f22bc3f2d17258523f2ef3074e6ce1f7ffa (patch) | |
| tree | 2c5d47cd55f487f0504458908d587e9bcd6963a6 /board/amcc | |
| parent | 3e0bc4473add883fd68a49b7dab971191b943415 (diff) | |
| download | olio-uboot-2014.01-17f50f22bc3f2d17258523f2ef3074e6ce1f7ffa.tar.xz olio-uboot-2014.01-17f50f22bc3f2d17258523f2ef3074e6ce1f7ffa.zip | |
Add support for AMCC Bamboo PPC440EP eval board
Patch by Stefan Roese, 04 Aug 2005
Diffstat (limited to 'board/amcc')
| -rw-r--r-- | board/amcc/bamboo/Makefile | 2 | ||||
| -rw-r--r-- | board/amcc/bamboo/bamboo.c | 1798 | ||||
| -rw-r--r-- | board/amcc/bamboo/bamboo.h | 401 | ||||
| -rw-r--r-- | board/amcc/bamboo/config.mk | 10 | ||||
| -rw-r--r-- | board/amcc/bamboo/flash.c | 166 | ||||
| -rw-r--r-- | board/amcc/bamboo/init.S | 2 | ||||
| -rw-r--r-- | board/amcc/bamboo/u-boot.lds | 5 | ||||
| -rw-r--r-- | board/amcc/common/flash.c | 370 | 
8 files changed, 2616 insertions, 138 deletions
| diff --git a/board/amcc/bamboo/Makefile b/board/amcc/bamboo/Makefile index 0b9790607..5654f91a8 100644 --- a/board/amcc/bamboo/Makefile +++ b/board/amcc/bamboo/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk  LIB	= lib$(BOARD).a  OBJS	= $(BOARD).o -#OBJS   += flash.o +OBJS   += flash.o  SOBJS	= init.o  $(LIB):	$(OBJS) $(SOBJS) diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c index 7b2d3f4c3..a3c702473 100644 --- a/board/amcc/bamboo/bamboo.c +++ b/board/amcc/bamboo/bamboo.c @@ -24,40 +24,193 @@  #include <common.h>  #include <asm/processor.h>  #include <spd_sdram.h> +#include <ppc440.h> +#include "bamboo.h" -int board_early_init_f(void) -{ -	register uint reg; +void ext_bus_cntlr_init(void); +void configure_ppc440ep_pins(void); -	/*-------------------------------------------------------------------- -	 * Setup the external bus controller/chip selects -	 *-------------------------------------------------------------------*/ -	mtdcr(ebccfga, xbcfg); -	reg = mfdcr(ebccfgd); -	mtdcr(ebccfgd, reg | 0x04000000);	/* Set ATC */ +gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX]; +#if 0 +{                                          /* GPIO   Alternate1       Alternate2        Alternate3 */ +	{ +		/* GPIO Core 0 */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_0  -> EBC_ADDR(7)      DMA_REQ(2) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_1  -> EBC_ADDR(6)      DMA_ACK(2) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_2  -> EBC_ADDR(5)      DMA_EOT/TC(2) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_3  -> EBC_ADDR(4)      DMA_REQ(3) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_4  -> EBC_ADDR(3)      DMA_ACK(3) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_5 ................. */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_6  -> EBC_CS_N(1) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_7  -> EBC_CS_N(2) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_8  -> EBC_CS_N(3) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_ALT1 }, /* GPIO0_9  -> EBC_CS_N(4) */ +		{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO0_10 -> EBC_CS_N(5) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_11 -> EBC_BUS_ERR */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_12 -> ZII_p0Rxd(0) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_13 -> ZII_p0Rxd(1) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_14 -> ZII_p0Rxd(2) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_15 -> ZII_p0Rxd(3) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_16 -> ZII_p0Txd(0) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_17 -> ZII_p0Txd(1) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_18 -> ZII_p0Txd(2) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_19 -> ZII_p0Txd(3) */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_20 -> ZII_p0Rx_er */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_21 -> ZII_p0Rx_dv */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_22 -> ZII_p0RxCrs */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_23 -> ZII_p0Tx_er */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_24 -> ZII_p0Tx_en */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_25 -> ZII_p0Col */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_26 ->                  USB2D_RXVALID */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_27 -> EXT_EBC_REQ      USB2D_RXERROR */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_28 ->                  USB2D_TXVALID */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_29 -> EBC_EXT_HDLA     USB2D_PAD_SUSPNDM */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_30 -> EBC_EXT_ACK      USB2D_XCVRSELECT */ +		{ GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_31 -> EBC_EXR_BUSREQ   USB2D_TERMSELECT */ +			}, +	{ +		/* GPIO Core 1 */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_0  -> USB2D_OPMODE0 */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_1  -> USB2D_OPMODE1 */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_2  -> UART0_DCD_N      UART1_DSR_CTS_N   UART2_SOUT */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_3  -> UART0_8PIN_DSR_N UART1_RTS_DTR_N   UART2_SIN */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_4  -> UART0_8PIN_CTS_N                   UART3_SIN */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_5  -> UART0_RTS_N */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_6  -> UART0_DTR_N      UART1_SOUT */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_7  -> UART0_RI_N       UART1_SIN */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_8  -> UIC_IRQ(0) */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_9  -> UIC_IRQ(1) */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_10 -> UIC_IRQ(2) */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_11 -> UIC_IRQ(3) */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_12 -> UIC_IRQ(4)       DMA_ACK(1) */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_13 -> UIC_IRQ(6)       DMA_EOT/TC(1) */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_14 -> UIC_IRQ(7)       DMA_REQ(0) */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_15 -> UIC_IRQ(8)       DMA_ACK(0) */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_16 -> UIC_IRQ(9)       DMA_EOT/TC(0) */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_17 -> - */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_18 ->  | */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_19 ->  | */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_20 ->  | */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_21 ->  | */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_22 ->  | */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_23 ->   \     Can be unselected thru TraceSelect Bit */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_24 ->   /        in PowerPC440EP Chip */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_25 ->  | */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_26 ->  | */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_27 ->  | */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_28 ->  | */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_29 ->  | */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_30 ->  | */ +		{ GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_31 -> - */ +			} +}; +#endif -#if 0 /* test-only */ -	mtebc(pb0ap, 0x03017300);	/* FLASH/SRAM */ -	mtebc(pb0cr, 0xfe0ba000);	/* BAS=0xfe0 32MB r/w 16-bit */ +/*----------------------------------------------------------------------------+ +  | EBC Devices Characteristics +  |   Peripheral Bank Access Parameters       -   EBC0_BnAP +  |   Peripheral Bank Configuration Register  -   EBC0_BnCR +  +----------------------------------------------------------------------------*/ +/* Small Flash */ +#define EBC0_BNAP_SMALL_FLASH           EBC0_BNAP_BME_DISABLED      |	\ +	EBC0_BNAP_TWT_ENCODE(6)     |					\ +	EBC0_BNAP_CSN_ENCODE(0)     |					\ +	EBC0_BNAP_OEN_ENCODE(1)     |					\ +	EBC0_BNAP_WBN_ENCODE(1)     |					\ +	EBC0_BNAP_WBF_ENCODE(3)     |					\ +	EBC0_BNAP_TH_ENCODE(1)      |					\ +	EBC0_BNAP_RE_ENABLED        |					\ +	EBC0_BNAP_SOR_DELAYED       |					\ +	EBC0_BNAP_BEM_WRITEONLY     |					\ +	EBC0_BNAP_PEN_DISABLED -	mtebc(pb1ap, 0x00000000); -	mtebc(pb1cr, 0x00000000); +#define EBC0_BNCR_SMALL_FLASH_CS0       EBC0_BNCR_BAS_ENCODE(0xFFF00000)    | \ +	EBC0_BNCR_BS_1MB                    |				\ +	EBC0_BNCR_BU_RW                     |				\ +	EBC0_BNCR_BW_8BIT -	mtebc(pb2ap, 0x04814500); -	/*CPLD*/ mtebc(pb2cr, 0x80018000);	/*BAS=0x800 1MB r/w 8-bit */ -#else -	mtebc(pb0ap, 0x04055200);	/* FLASH/SRAM */ -	mtebc(pb0cr, 0xfff18000);	/* BAS=0xfe0 1MB r/w 8-bit */ -#endif +#define EBC0_BNCR_SMALL_FLASH_CS4       EBC0_BNCR_BAS_ENCODE(0x87800000)    | \ +	EBC0_BNCR_BS_8MB                    |				\ +	EBC0_BNCR_BU_RW                     |				\ +	EBC0_BNCR_BW_16BIT + +/* Large Flash or SRAM */ +#define EBC0_BNAP_LARGE_FLASH_OR_SRAM   EBC0_BNAP_BME_DISABLED      |	\ +	EBC0_BNAP_TWT_ENCODE(8)     |					\ +	EBC0_BNAP_CSN_ENCODE(0)     |					\ +	EBC0_BNAP_OEN_ENCODE(1)     |					\ +	EBC0_BNAP_WBN_ENCODE(1)     |					\ +	EBC0_BNAP_WBF_ENCODE(1)     |					\ +	EBC0_BNAP_TH_ENCODE(2)      |					\ +	EBC0_BNAP_SOR_DELAYED       |					\ +	EBC0_BNAP_BEM_RW            |					\ +	EBC0_BNAP_PEN_DISABLED + +#define EBC0_BNCR_LARGE_FLASH_OR_SRAM_CS0   EBC0_BNCR_BAS_ENCODE(0xFF800000)    | \ +	EBC0_BNCR_BS_8MB                    |				\ +	EBC0_BNCR_BU_RW                     |				\ +	EBC0_BNCR_BW_16BIT + + +#define EBC0_BNCR_LARGE_FLASH_OR_SRAM_CS4   EBC0_BNCR_BAS_ENCODE(0x87800000)    | \ +	EBC0_BNCR_BS_8MB                    |				\ +	EBC0_BNCR_BU_RW                     |				\ +	EBC0_BNCR_BW_16BIT -	mtebc(pb3ap, 0x00000000); -	mtebc(pb3cr, 0x00000000); +/* NVRAM - FPGA */ +#define EBC0_BNAP_NVRAM_FPGA            EBC0_BNAP_BME_DISABLED      |	\ +	EBC0_BNAP_TWT_ENCODE(9)     |					\ +	EBC0_BNAP_CSN_ENCODE(0)     |					\ +	EBC0_BNAP_OEN_ENCODE(1)     |					\ +	EBC0_BNAP_WBN_ENCODE(1)     |					\ +	EBC0_BNAP_WBF_ENCODE(0)     |					\ +	EBC0_BNAP_TH_ENCODE(2)      |					\ +	EBC0_BNAP_RE_ENABLED        |					\ +	EBC0_BNAP_SOR_DELAYED       |					\ +	EBC0_BNAP_BEM_WRITEONLY     |					\ +	EBC0_BNAP_PEN_DISABLED -	mtebc(pb4ap, 0x00000000); -	mtebc(pb4cr, 0x00000000); +#define EBC0_BNCR_NVRAM_FPGA_CS5        EBC0_BNCR_BAS_ENCODE(0x80000000)    | \ +	EBC0_BNCR_BS_1MB                    |				\ +	EBC0_BNCR_BU_RW                     |				\ +	EBC0_BNCR_BW_8BIT -	mtebc(pb5ap, 0x00000000); -	mtebc(pb5cr, 0x00000000); +/* Nand Flash */ +#define EBC0_BNAP_NAND_FLASH            EBC0_BNAP_BME_DISABLED      |	\ +	EBC0_BNAP_TWT_ENCODE(3)     |					\ +	EBC0_BNAP_CSN_ENCODE(0)     |					\ +	EBC0_BNAP_OEN_ENCODE(0)     |					\ +	EBC0_BNAP_WBN_ENCODE(0)     |					\ +	EBC0_BNAP_WBF_ENCODE(0)     |					\ +	EBC0_BNAP_TH_ENCODE(1)      |					\ +	EBC0_BNAP_RE_ENABLED        |					\ +	EBC0_BNAP_SOR_NOT_DELAYED   |					\ +	EBC0_BNAP_BEM_RW            |					\ +	EBC0_BNAP_PEN_DISABLED + + +#define EBC0_BNCR_NAND_FLASH_CS0        0xB8400000 + +/* NAND0 */ +#define EBC0_BNCR_NAND_FLASH_CS1        EBC0_BNCR_BAS_ENCODE(0x90000000)    | \ +	EBC0_BNCR_BS_1MB                    |				\ +	EBC0_BNCR_BU_RW                     |				\ +	EBC0_BNCR_BW_32BIT +/* NAND1 - Bank2 */ +#define EBC0_BNCR_NAND_FLASH_CS2        EBC0_BNCR_BAS_ENCODE(0x94000000)    | \ +	EBC0_BNCR_BS_1MB                    |				\ +	EBC0_BNCR_BU_RW                     |				\ +	EBC0_BNCR_BW_32BIT + +/* NAND1 - Bank3 */ +#define EBC0_BNCR_NAND_FLASH_CS3        EBC0_BNCR_BAS_ENCODE(0x94000000)    | \ +	EBC0_BNCR_BS_1MB                    |				\ +	EBC0_BNCR_BU_RW                     |				\ +	EBC0_BNCR_BW_32BIT + +int board_early_init_f(void) +{ +	ext_bus_cntlr_init();  	/*--------------------------------------------------------------------  	 * Setup the interrupt controller polarities, triggers, etc. @@ -81,52 +234,29 @@ int board_early_init_f(void)  	/*--------------------------------------------------------------------  	 * Setup the GPIO pins  	 *-------------------------------------------------------------------*/ -	/*CPLD cs */ -	/*setup Address lines for flash sizes larger than 16Meg. */ -	out32(GPIO0_OSRL, in32(GPIO0_OSRL) | 0x40010000); -	out32(GPIO0_TSRL, in32(GPIO0_TSRL) | 0x40010000); -	out32(GPIO0_ISR1L, in32(GPIO0_ISR1L) | 0x40000000); - -	/*setup emac */ -	out32(GPIO0_TCR, in32(GPIO0_TCR) | 0xC080); -	out32(GPIO0_TSRL, in32(GPIO0_TSRL) | 0x40); -	out32(GPIO0_ISR1L, in32(GPIO0_ISR1L) | 0x55); -	out32(GPIO0_OSRH, in32(GPIO0_OSRH) | 0x50004000); -	out32(GPIO0_ISR1H, in32(GPIO0_ISR1H) | 0x00440000); - -	/*UART1 */ -	out32(GPIO1_TCR, in32(GPIO1_TCR) | 0x02000000); -	out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x00080000); -	out32(GPIO1_ISR2L, in32(GPIO1_ISR2L) | 0x00010000); - -	/*setup USB 2.0 */ -	out32(GPIO1_TCR, in32(GPIO1_TCR) | 0xc0000000); -	out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x50000000); -	out32(GPIO0_TCR, in32(GPIO0_TCR) | 0xf); -	out32(GPIO0_OSRH, in32(GPIO0_OSRH) | 0xaa); -	out32(GPIO0_ISR2H, in32(GPIO0_ISR2H) | 0x00000500); - -	/*-------------------------------------------------------------------- -	 * Setup other serial configuration -	 *-------------------------------------------------------------------*/ -	mfsdr(sdr_pci0, reg); -	mtsdr(sdr_pci0, 0x80000000 | reg);	/* PCI arbiter enabled */ -	mtsdr(sdr_pfc0, 0x00003e00);	/* Pin function */ -	mtsdr(sdr_pfc1, 0x00048000);	/* Pin function: UART0 has 4 pins */ +	out32(GPIO0_OSRL,  0x00000400); +	out32(GPIO0_OSRH,  0x00000000); +	out32(GPIO0_TSRL,  0x00000400); +	out32(GPIO0_TSRH,  0x00000000); +	out32(GPIO0_ISR1L, 0x00000000); +	out32(GPIO0_ISR1H, 0x00000000); +	out32(GPIO0_ISR2L, 0x00000000); +	out32(GPIO0_ISR2H, 0x00000000); +	out32(GPIO0_ISR3L, 0x00000000); +	out32(GPIO0_ISR3H, 0x00000000); -#if 0 /* test-only */ -	/*clear tmrclk divisor */ -	*(unsigned char *)(CFG_BCSR_BASE | 0x04) = 0x00; - -	/*enable ethernet */ -	*(unsigned char *)(CFG_BCSR_BASE | 0x08) = 0xf0; +	out32(GPIO1_OSRL,  0x0C380000); +	out32(GPIO1_OSRH,  0x00000000); +	out32(GPIO1_TSRL,  0x0C380000); +	out32(GPIO1_TSRH,  0x00000000); +	out32(GPIO1_ISR1L, 0x0FC30000); +	out32(GPIO1_ISR1H, 0x00000000); +	out32(GPIO1_ISR2L, 0x0C010000); +	out32(GPIO1_ISR2H, 0x00000000); +	out32(GPIO1_ISR3L, 0x01400000); +	out32(GPIO1_ISR3H, 0x00000000); -	/*enable usb 1.1 fs device and remove usb 2.0 reset */ -	*(unsigned char *)(CFG_BCSR_BASE | 0x09) = 0x00; - -	/*get rid of flash write protect */ -	*(unsigned char *)(CFG_BCSR_BASE | 0x07) = 0x40; -#endif +	configure_ppc440ep_pins();  	return 0;  } @@ -150,31 +280,35 @@ int checkboard(void)  	printf("\tPLB: %lu MHz\n", sysinfo.freqPLB / 1000000);  	printf("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);  	printf("\tEPB: %lu MHz\n", sysinfo.freqEPB / 1000000); +  	return (0);  }  /************************************************************************* - *  sdram_init -- doesn't use serial presence detect.   * - *  Assumes:    256 MB, ECC, non-registered + * fixed_sdram_init -- Bamboo has one bank onboard sdram (plus DIMM) + * + * Fixed memory is composed of : + *      MT46V16M16TG-75 from Micron (x 2), 256Mb, 16 M x16, DDR266, + *      13 row add bits, 10 column add bits (but 12 row used only). + *      ECC device: MT46V16M8TG-75 from Micron (x 1), 128Mb, x8, DDR266, + *      12 row add bits, 10 column add bits. + *      Prepare a subset (only the used ones) of SPD data + * + *      Note : if the ECC is enabled (SDRAM_ECC_ENABLE) the size of + *      the corresponding bank is divided by 2 due to number of Row addresses + *      12 in the ECC module + * + *  Assumes:    64 MB, ECC, non-registered   *              PLB @ 133 MHz   *   ************************************************************************/ -void sdram_init(void) +void fixed_sdram_init(void)  { -	register uint reg; - -	/*-------------------------------------------------------------------- -	 * Setup some default -	 *------------------------------------------------------------------*/ -	mtsdram(mem_uabba, 0x00000000);	/* ubba=0 (default)             */ -	mtsdram(mem_slio, 0x00000000);	/* rdre=0 wrre=0 rarw=0         */ -	mtsdram(mem_devopt, 0x00000000);	/* dll=0 ds=0 (normal)          */ -	mtsdram(mem_clktr, 0x40000000);	/* ?? */ -	mtsdram(mem_wddctr, 0x40000000);	/* ?? */ - -	/*clear this first, if the DDR is enabled by a debugger -	   then you can not make changes. */ +	/* +	 * clear this first, if the DDR is enabled by a debugger +	 * then you can not make changes. +	 */  	mtsdram(mem_cfg0, 0x00000000);	/* Disable EEC */  	/*-------------------------------------------------------------------- @@ -183,36 +317,23 @@ void sdram_init(void)  	/*  	 * Following for CAS Latency = 2.5 @ 133 MHz PLB  	 */ -	mtsdram(mem_b0cr, 0x000a4001);	/* SDBA=0x000 128MB, Mode 3, enabled */ -	mtsdram(mem_b1cr, 0x080a4001);	/* SDBA=0x080 128MB, Mode 3, enabled */ - -	mtsdram(mem_tr0, 0x410a4012);	/* ?? */ -	mtsdram(mem_tr1, 0x8080080b);	/* ?? */ -	mtsdram(mem_rtr, 0x04080000);	/* ?? */ -	mtsdram(mem_cfg1, 0x00000000);	/* Self-refresh exit, disable PM    */ -	mtsdram(mem_cfg0, 0x34000000);	/* Disable EEC */ -	udelay(400);		/* Delay 200 usecs (min)            */ - -	/*-------------------------------------------------------------------- -	 * Enable the controller, then wait for DCEN to complete -	 *------------------------------------------------------------------*/ -	mtsdram(mem_cfg0, 0x84000000);	/* Enable */ - -	for (;;) { -		mfsdram(mem_mcsts, reg); -		if (reg & 0x80000000) -			break; -	} +	mtsdram(mem_b0cr, 0x00082001); +	mtsdram(mem_b1cr, 0x00000000); +	mtsdram(mem_b2cr, 0x00000000); +	mtsdram(mem_b3cr, 0x00000000);  } -/************************************************************************* - *  long int initdram - * - ************************************************************************/ -long int initdram(int board) +long int initdram (int board_type)  { -	sdram_init(); -	return CFG_SDRAM_BANKS * (CFG_KBYTES_SDRAM * 1024);	/* return bytes */ +	long dram_size = 0; + +	/* +	 * First init bank0 (onboard sdram) and then configure the DIMM-slots +	 */ +	fixed_sdram_init(); +	dram_size = spd_sdram (0); + +	return dram_size;  }  #if defined(CFG_DRAM_TEST) @@ -425,15 +546,1450 @@ int is_pci_host(struct pci_controller *hose)  }  #endif				/* defined(CONFIG_PCI) */ -/************************************************************************* - *  hw_watchdog_reset - * - *	This routine is called to reset (keep alive) the watchdog timer - * - ************************************************************************/ -#if defined(CONFIG_HW_WATCHDOG) -void hw_watchdog_reset(void) +/*----------------------------------------------------------------------------+ +  | is_powerpc440ep_pass1. +  +----------------------------------------------------------------------------*/ +int is_powerpc440ep_pass1(void) +{ +	unsigned long pvr; + +	pvr = get_pvr(); + +	if (pvr == PVR_POWERPC_440EP_PASS1) +		return TRUE; +	else if (pvr == PVR_POWERPC_440EP_PASS2) +		return FALSE; +	else { +		printf("brdutil error 3\n"); +		for (;;) +			; +	} + +	return(FALSE); +} + +/*----------------------------------------------------------------------------+ +  | is_nand_selected. +  +----------------------------------------------------------------------------*/ +int is_nand_selected(void) +{ +	return FALSE; /* test-only */ +} + +/*----------------------------------------------------------------------------+ +  | config_on_ebc_cs4_is_small_flash => from EPLD +  +----------------------------------------------------------------------------*/ +unsigned char config_on_ebc_cs4_is_small_flash(void) +{ +	/* Not implemented yet => returns constant value */ +	return TRUE; +} + +/*----------------------------------------------------------------------------+ +  | Ext_bus_cntlr_init. +  | Initialize the external bus controller +  +----------------------------------------------------------------------------*/ +void ext_bus_cntlr_init(void) +{ +	unsigned long sdr0_pstrp0, sdr0_sdstp1; +	unsigned long bootstrap_settings, boot_selection, ebc_boot_size; +	int           computed_boot_device = BOOT_DEVICE_UNKNOWN; +	unsigned long ebc0_cs0_bnap_value = 0, ebc0_cs0_bncr_value = 0; +	unsigned long ebc0_cs1_bnap_value = 0, ebc0_cs1_bncr_value = 0; +	unsigned long ebc0_cs2_bnap_value = 0, ebc0_cs2_bncr_value = 0; +	unsigned long ebc0_cs3_bnap_value = 0, ebc0_cs3_bncr_value = 0; +	unsigned long ebc0_cs4_bnap_value = 0, ebc0_cs4_bncr_value = 0; + + +	/*-------------------------------------------------------------------------+ +	  | +	  |  PART 1 : Initialize EBC Bank 5 +	  |  ============================== +	  | Bank5 is always associated to the NVRAM/EPLD. +	  | It has to be initialized prior to other banks settings computation since +	  | some board registers values may be needed +	  | +	  +-------------------------------------------------------------------------*/ +	/* NVRAM - FPGA */ +	mtebc(pb5ap, EBC0_BNAP_NVRAM_FPGA); +	mtebc(pb5cr, EBC0_BNCR_NVRAM_FPGA_CS5); + +	/*-------------------------------------------------------------------------+ +	  | +	  |  PART 2 : Determine which boot device was selected +	  |  ========================================= +	  | +	  |  Read Pin Strap Register in PPC440EP +	  |  In case of boot from IIC, read Serial Device Strap Register1 +	  | +	  |  Result can either be : +	  |   - Boot from EBC 8bits    => SMALL FLASH +	  |   - Boot from EBC 16bits   => Large Flash or SRAM +	  |   - Boot from NAND Flash +	  |   - Boot from PCI +	  | +	  +-------------------------------------------------------------------------*/ +	/* Read Pin Strap Register in PPC440EP */ +	mfsdr(sdr_pstrp0, sdr0_pstrp0); +	bootstrap_settings = sdr0_pstrp0 & SDR0_PSTRP0_BOOTSTRAP_MASK; + +	/*-------------------------------------------------------------------------+ +	  |  PPC440EP Pass1 +	  +-------------------------------------------------------------------------*/ +	if (is_powerpc440ep_pass1() == TRUE) { +		switch(bootstrap_settings) { +		case SDR0_PSTRP0_BOOTSTRAP_SETTINGS0: +			/* Default Strap Settings 0 : CPU 400 - PLB 133 - Boot EBC 8 bit 33MHz */ +			/* Boot from Small Flash */ +			computed_boot_device = BOOT_FROM_SMALL_FLASH; +			break; +		case SDR0_PSTRP0_BOOTSTRAP_SETTINGS1: +			/* Default Strap Settings 1 : CPU 533 - PLB 133 - Boot PCI 66MHz */ +			/* Boot from PCI */ +			computed_boot_device = BOOT_FROM_PCI; +			break; + +		case SDR0_PSTRP0_BOOTSTRAP_SETTINGS2: +			/* Default Strap Settings 2 : CPU 500 - PLB 100 - Boot NDFC16 66MHz */ +			/* Boot from Nand Flash */ +			computed_boot_device = BOOT_FROM_NAND_FLASH0; +			break; + +		case SDR0_PSTRP0_BOOTSTRAP_SETTINGS3: +			/* Default Strap Settings 3 : CPU 333 - PLB 133 - Boot EBC 8 bit 66MHz */ +			/* Boot from Small Flash */ +			computed_boot_device = BOOT_FROM_SMALL_FLASH; +			break; + +		case SDR0_PSTRP0_BOOTSTRAP_IIC_A8_EN: +		case SDR0_PSTRP0_BOOTSTRAP_IIC_A4_EN: +			/* Boot Settings in IIC EEprom address 0xA8 or 0xA4 */ +			/* Read Serial Device Strap Register1 in PPC440EP */ +			mfsdr(sdr_sdstp1, sdr0_sdstp1); +			boot_selection  = sdr0_sdstp1 & SDR0_SDSTP1_BOOT_SEL_MASK; +			ebc_boot_size   = sdr0_sdstp1 & SDR0_SDSTP1_EBC_ROM_BS_MASK; + +			switch(boot_selection) { +			case SDR0_SDSTP1_BOOT_SEL_EBC: +				switch(ebc_boot_size) { +				case SDR0_SDSTP1_EBC_ROM_BS_16BIT: +					computed_boot_device = BOOT_FROM_LARGE_FLASH_OR_SRAM; +					break; +				case SDR0_SDSTP1_EBC_ROM_BS_8BIT: +					computed_boot_device = BOOT_FROM_SMALL_FLASH; +					break; +				} +				break; + +			case SDR0_SDSTP1_BOOT_SEL_PCI: +				computed_boot_device = BOOT_FROM_PCI; +				break; + +			case SDR0_SDSTP1_BOOT_SEL_NDFC: +				computed_boot_device = BOOT_FROM_NAND_FLASH0; +				break; +			} +			break; +		} +	} + +	/*-------------------------------------------------------------------------+ +	  |  PPC440EP Pass2 +	  +-------------------------------------------------------------------------*/ +	else { +		switch(bootstrap_settings) { +		case SDR0_PSTRP0_BOOTSTRAP_SETTINGS0: +			/* Default Strap Settings 0 : CPU 400 - PLB 133 - Boot EBC 8 bit 33MHz */ +			/* Boot from Small Flash */ +			computed_boot_device = BOOT_FROM_SMALL_FLASH; +			break; +		case SDR0_PSTRP0_BOOTSTRAP_SETTINGS1: +			/* Default Strap Settings 1 : CPU 333 - PLB 133 - Boot PCI 66MHz */ +			/* Boot from PCI */ +			computed_boot_device = BOOT_FROM_PCI; +			break; + +		case SDR0_PSTRP0_BOOTSTRAP_SETTINGS2: +			/* Default Strap Settings 2 : CPU 400 - PLB 100 - Boot NDFC16 33MHz */ +			/* Boot from Nand Flash */ +			computed_boot_device = BOOT_FROM_NAND_FLASH0; +			break; + +		case SDR0_PSTRP0_BOOTSTRAP_SETTINGS3: +			/* Default Strap Settings 3 : CPU 400 - PLB 100 - Boot EBC 16 bit 33MHz */ +			/* Boot from Large Flash or SRAM */ +			computed_boot_device = BOOT_FROM_LARGE_FLASH_OR_SRAM; +			break; + +		case SDR0_PSTRP0_BOOTSTRAP_SETTINGS4: +			/* Default Strap Settings 4 : CPU 333 - PLB 133 - Boot EBC 16 bit 66MHz */ +			/* Boot from Large Flash or SRAM */ +			computed_boot_device = BOOT_FROM_LARGE_FLASH_OR_SRAM; +			break; + +		case SDR0_PSTRP0_BOOTSTRAP_SETTINGS6: +			/* Default Strap Settings 6 : CPU 400 - PLB 100 - Boot PCI 33MHz */ +			/* Boot from PCI */ +			computed_boot_device = BOOT_FROM_PCI; +			break; + +		case SDR0_PSTRP0_BOOTSTRAP_IIC_A8_EN: +		case SDR0_PSTRP0_BOOTSTRAP_IIC_A4_EN: +			/* Default Strap Settings 5-7 */ +			/* Boot Settings in IIC EEprom address 0xA8 or 0xA4 */ +			/* Read Serial Device Strap Register1 in PPC440EP */ +			mfsdr(sdr_sdstp1, sdr0_sdstp1); +			boot_selection  = sdr0_sdstp1 & SDR0_SDSTP1_BOOT_SEL_MASK; +			ebc_boot_size   = sdr0_sdstp1 & SDR0_SDSTP1_EBC_ROM_BS_MASK; + +			switch(boot_selection) { +			case SDR0_SDSTP1_BOOT_SEL_EBC: +				switch(ebc_boot_size) { +				case SDR0_SDSTP1_EBC_ROM_BS_16BIT: +					computed_boot_device = BOOT_FROM_LARGE_FLASH_OR_SRAM; +					break; +				case SDR0_SDSTP1_EBC_ROM_BS_8BIT: +					computed_boot_device = BOOT_FROM_SMALL_FLASH; +					break; +				} +				break; + +			case SDR0_SDSTP1_BOOT_SEL_PCI: +				computed_boot_device = BOOT_FROM_PCI; +				break; + +			case SDR0_SDSTP1_BOOT_SEL_NDFC: +				computed_boot_device = BOOT_FROM_NAND_FLASH0; +				break; +			} +			break; +		} +	} + +	/*-------------------------------------------------------------------------+ +	  | +	  |  PART 3 : Compute EBC settings depending on selected boot device +	  |  ======   ====================================================== +	  | +	  | Resulting EBC init will be among following configurations : +	  | +	  |  - Boot from EBC 8bits => boot from SMALL FLASH selected +	  |            EBC-CS0     = Small Flash +	  |            EBC-CS1,2,3 = NAND Flash or +	  |                         Exp.Slot depending on Soft Config +	  |            EBC-CS4     = SRAM/Large Flash or +	  |                         Large Flash/SRAM depending on jumpers +	  |            EBC-CS5     = NVRAM / EPLD +	  | +	  |  - Boot from EBC 16bits => boot from Large Flash or SRAM selected +	  |            EBC-CS0     = SRAM/Large Flash or +	  |                          Large Flash/SRAM depending on jumpers +	  |            EBC-CS1,2,3 = NAND Flash or +	  |                          Exp.Slot depending on Software Configuration +	  |            EBC-CS4     = Small Flash +	  |            EBC-CS5     = NVRAM / EPLD +	  | +	  |  - Boot from NAND Flash +	  |            EBC-CS0     = NAND Flash0 +	  |            EBC-CS1,2,3 = NAND Flash1 +	  |            EBC-CS4     = SRAM/Large Flash or +	  |                          Large Flash/SRAM depending on jumpers +	  |            EBC-CS5     = NVRAM / EPLD +	  | +	  |    - Boot from PCI +	  |            EBC-CS0     = ... +	  |            EBC-CS1,2,3 = NAND Flash or +	  |                          Exp.Slot depending on Software Configuration +	  |            EBC-CS4     = SRAM/Large Flash or +	  |                          Large Flash/SRAM or +	  |                          Small Flash depending on jumpers +	  |            EBC-CS5     = NVRAM / EPLD +	  | +	  +-------------------------------------------------------------------------*/ + +	switch(computed_boot_device) { +		/*------------------------------------------------------------------------- */ +        case BOOT_FROM_SMALL_FLASH: +		/*------------------------------------------------------------------------- */ +		ebc0_cs0_bnap_value = EBC0_BNAP_SMALL_FLASH; +		ebc0_cs0_bncr_value = EBC0_BNCR_SMALL_FLASH_CS0; +		if ((is_nand_selected()) == TRUE) { +			/* NAND Flash */ +			ebc0_cs1_bnap_value = EBC0_BNAP_NAND_FLASH; +			ebc0_cs1_bncr_value = EBC0_BNCR_NAND_FLASH_CS1; +			/*ebc0_cs2_bnap_value = EBC0_BNAP_NAND_FLASH; +			  ebc0_cs2_bncr_value = EBC0_BNCR_NAND_FLASH_CS2; +			  ebc0_cs3_bnap_value = EBC0_BNAP_NAND_FLASH; +			  ebc0_cs3_bncr_value = EBC0_BNCR_NAND_FLASH_CS3;*/ +			ebc0_cs2_bnap_value = 0; +			ebc0_cs2_bncr_value = 0; +			ebc0_cs3_bnap_value = 0; +			ebc0_cs3_bncr_value = 0; +		} else { +			/* Expansion Slot */ +			ebc0_cs1_bnap_value = 0; +			ebc0_cs1_bncr_value = 0; +			ebc0_cs2_bnap_value = 0; +			ebc0_cs2_bncr_value = 0; +			ebc0_cs3_bnap_value = 0; +			ebc0_cs3_bncr_value = 0; +		} +		ebc0_cs4_bnap_value = EBC0_BNAP_LARGE_FLASH_OR_SRAM; +		ebc0_cs4_bncr_value = EBC0_BNCR_LARGE_FLASH_OR_SRAM_CS4; + +		break; + +		/*------------------------------------------------------------------------- */ +        case BOOT_FROM_LARGE_FLASH_OR_SRAM: +		/*------------------------------------------------------------------------- */ +		ebc0_cs0_bnap_value = EBC0_BNAP_LARGE_FLASH_OR_SRAM; +		ebc0_cs0_bncr_value = EBC0_BNCR_LARGE_FLASH_OR_SRAM_CS0; +		if ((is_nand_selected()) == TRUE) { +			/* NAND Flash */ +			ebc0_cs1_bnap_value = EBC0_BNAP_NAND_FLASH; +			ebc0_cs1_bncr_value = EBC0_BNCR_NAND_FLASH_CS1; +			ebc0_cs2_bnap_value = 0; +			ebc0_cs2_bncr_value = 0; +			ebc0_cs3_bnap_value = 0; +			ebc0_cs3_bncr_value = 0; +		} else { +			/* Expansion Slot */ +			ebc0_cs1_bnap_value = 0; +			ebc0_cs1_bncr_value = 0; +			ebc0_cs2_bnap_value = 0; +			ebc0_cs2_bncr_value = 0; +			ebc0_cs3_bnap_value = 0; +			ebc0_cs3_bncr_value = 0; +		} +		ebc0_cs4_bnap_value = EBC0_BNAP_SMALL_FLASH; +		ebc0_cs4_bncr_value = EBC0_BNCR_SMALL_FLASH_CS4; + +		break; + +		/*------------------------------------------------------------------------- */ +        case BOOT_FROM_NAND_FLASH0: +		/*------------------------------------------------------------------------- */ +		ebc0_cs0_bnap_value = 0; +		ebc0_cs0_bncr_value = 0; + +		ebc0_cs1_bnap_value = EBC0_BNAP_NAND_FLASH; +		ebc0_cs1_bncr_value = EBC0_BNCR_NAND_FLASH_CS1; +		ebc0_cs2_bnap_value = 0; +		ebc0_cs2_bncr_value = 0; +		ebc0_cs3_bnap_value = 0; +		ebc0_cs3_bncr_value = 0; + +		/* Large Flash or SRAM */ +		ebc0_cs4_bnap_value = EBC0_BNAP_LARGE_FLASH_OR_SRAM; +		ebc0_cs4_bncr_value = EBC0_BNCR_LARGE_FLASH_OR_SRAM_CS4; + +		break; + +		/*------------------------------------------------------------------------- */ +        case BOOT_FROM_PCI: +		/*------------------------------------------------------------------------- */ +		ebc0_cs0_bnap_value = 0; +		ebc0_cs0_bncr_value = 0; + +		if ((is_nand_selected()) == TRUE) { +			/* NAND Flash */ +			ebc0_cs1_bnap_value = EBC0_BNAP_NAND_FLASH; +			ebc0_cs1_bncr_value = EBC0_BNCR_NAND_FLASH_CS1; +			ebc0_cs2_bnap_value = 0; +			ebc0_cs2_bncr_value = 0; +			ebc0_cs3_bnap_value = 0; +			ebc0_cs3_bncr_value = 0; +		} else { +			/* Expansion Slot */ +			ebc0_cs1_bnap_value = 0; +			ebc0_cs1_bncr_value = 0; +			ebc0_cs2_bnap_value = 0; +			ebc0_cs2_bncr_value = 0; +			ebc0_cs3_bnap_value = 0; +			ebc0_cs3_bncr_value = 0; +		} + +		if ((config_on_ebc_cs4_is_small_flash()) == TRUE) { +			/* Small Flash */ +			ebc0_cs4_bnap_value = EBC0_BNAP_SMALL_FLASH; +			ebc0_cs4_bncr_value = EBC0_BNCR_SMALL_FLASH_CS4; +		} else { +			/* Large Flash or SRAM */ +			ebc0_cs4_bnap_value = EBC0_BNAP_LARGE_FLASH_OR_SRAM; +			ebc0_cs4_bncr_value = EBC0_BNCR_LARGE_FLASH_OR_SRAM_CS4; +		} + +		break; + +		/*------------------------------------------------------------------------- */ +        case BOOT_DEVICE_UNKNOWN: +		/*------------------------------------------------------------------------- */ +		/* Error */ +		break; + +	} + + +	/*-------------------------------------------------------------------------+ +	  | Initialize EBC CONFIG +	  +-------------------------------------------------------------------------*/ +	mtdcr(ebccfga, xbcfg); +	mtdcr(ebccfgd, EBC0_CFG_EBTC_DRIVEN        | +	      EBC0_CFG_PTD_ENABLED        | +	      EBC0_CFG_RTC_2048PERCLK     | +	      EBC0_CFG_EMPL_LOW           | +	      EBC0_CFG_EMPH_LOW           | +	      EBC0_CFG_CSTC_DRIVEN        | +	      EBC0_CFG_BPF_ONEDW          | +	      EBC0_CFG_EMS_8BIT           | +	      EBC0_CFG_PME_DISABLED       | +	      EBC0_CFG_PMT_ENCODE(0)      ); + +	/*-------------------------------------------------------------------------+ +	  | Initialize EBC Bank 0-4 +	  +-------------------------------------------------------------------------*/ +	/* EBC Bank0 */ +	mtebc(pb0ap, ebc0_cs0_bnap_value); +	mtebc(pb0cr, ebc0_cs0_bncr_value); +	/* EBC Bank1 */ +	mtebc(pb1ap, ebc0_cs1_bnap_value); +	mtebc(pb1cr, ebc0_cs1_bncr_value); +	/* EBC Bank2 */ +	mtebc(pb2ap, ebc0_cs2_bnap_value); +	mtebc(pb2cr, ebc0_cs2_bncr_value); +	/* EBC Bank3 */ +	mtebc(pb3ap, ebc0_cs3_bnap_value); +	mtebc(pb3cr, ebc0_cs3_bncr_value); +	/* EBC Bank4 */ +	mtebc(pb4ap, ebc0_cs4_bnap_value); +	mtebc(pb4cr, ebc0_cs4_bncr_value); + +	return; +} + + +/*----------------------------------------------------------------------------+ +  | get_uart_configuration. +  +----------------------------------------------------------------------------*/ +uart_config_nb_t get_uart_configuration(void) +{ +	return (L4); /* test-only */ +} + +/*----------------------------------------------------------------------------+ +  | set_phy_configuration_through_fpga => to EPLD +  +----------------------------------------------------------------------------*/ +void set_phy_configuration_through_fpga(zmii_config_t config) +{ + +	unsigned long fpga_selection_reg; + +	fpga_selection_reg = in8(FPGA_SELECTION_1_REG) & ~FPGA_SEL_1_REG_PHY_MASK; + +	switch(config) +	{ +        case ZMII_CONFIGURATION_IS_MII: +		fpga_selection_reg = fpga_selection_reg | FPGA_SEL_1_REG_MII; +		break; +        case ZMII_CONFIGURATION_IS_RMII: +		fpga_selection_reg = fpga_selection_reg | FPGA_SEL_1_REG_RMII; +		break; +        case ZMII_CONFIGURATION_IS_SMII: +		fpga_selection_reg = fpga_selection_reg | FPGA_SEL_1_REG_SMII; +		break; +        case ZMII_CONFIGURATION_UNKNOWN: +        default: +		break; +	} +	out8(FPGA_SELECTION_1_REG,fpga_selection_reg); + +} + +/*----------------------------------------------------------------------------+ +  | scp_selection_in_fpga. +  +----------------------------------------------------------------------------*/ +void scp_selection_in_fpga(void) +{ +	unsigned long fpga_selection_2_reg; + +	fpga_selection_2_reg = in8(FPGA_SELECTION_2_REG) & ~FPGA_SEL2_REG_IIC1_SCP_SEL_MASK; +	fpga_selection_2_reg |= FPGA_SEL2_REG_SEL_SCP; +	out8(FPGA_SELECTION_2_REG,fpga_selection_2_reg); +} + +/*----------------------------------------------------------------------------+ +  | iic1_selection_in_fpga. +  +----------------------------------------------------------------------------*/ +void iic1_selection_in_fpga(void) +{ +	unsigned long fpga_selection_2_reg; + +	fpga_selection_2_reg = in8(FPGA_SELECTION_2_REG) & ~FPGA_SEL2_REG_IIC1_SCP_SEL_MASK; +	fpga_selection_2_reg |= FPGA_SEL2_REG_SEL_IIC1; +	out8(FPGA_SELECTION_2_REG,fpga_selection_2_reg); +} + +/*----------------------------------------------------------------------------+ +  | dma_a_b_selection_in_fpga. +  +----------------------------------------------------------------------------*/ +void dma_a_b_selection_in_fpga(void) +{ +	unsigned long fpga_selection_2_reg; + +	fpga_selection_2_reg = in8(FPGA_SELECTION_2_REG) | FPGA_SEL2_REG_SEL_DMA_A_B; +	out8(FPGA_SELECTION_2_REG,fpga_selection_2_reg); +} + +/*----------------------------------------------------------------------------+ +  | dma_a_b_unselect_in_fpga. +  +----------------------------------------------------------------------------*/ +void dma_a_b_unselect_in_fpga(void) +{ +	unsigned long fpga_selection_2_reg; + +	fpga_selection_2_reg = in8(FPGA_SELECTION_2_REG) & ~FPGA_SEL2_REG_SEL_DMA_A_B; +	out8(FPGA_SELECTION_2_REG,fpga_selection_2_reg); +} + +/*----------------------------------------------------------------------------+ +  | dma_c_d_selection_in_fpga. +  +----------------------------------------------------------------------------*/ +void dma_c_d_selection_in_fpga(void) +{ +	unsigned long fpga_selection_2_reg; + +	fpga_selection_2_reg = in8(FPGA_SELECTION_2_REG) | FPGA_SEL2_REG_SEL_DMA_C_D; +	out8(FPGA_SELECTION_2_REG,fpga_selection_2_reg); +} + +/*----------------------------------------------------------------------------+ +  | dma_c_d_unselect_in_fpga. +  +----------------------------------------------------------------------------*/ +void dma_c_d_unselect_in_fpga(void)  { +	unsigned long fpga_selection_2_reg; +	fpga_selection_2_reg = in8(FPGA_SELECTION_2_REG) & ~FPGA_SEL2_REG_SEL_DMA_C_D; +	out8(FPGA_SELECTION_2_REG,fpga_selection_2_reg);  } + +/*----------------------------------------------------------------------------+ +  | usb2_device_selection_in_fpga. +  +----------------------------------------------------------------------------*/ +void usb2_device_selection_in_fpga(void) +{ +	unsigned long fpga_selection_1_reg; + +	fpga_selection_1_reg = in8(FPGA_SELECTION_1_REG) | FPGA_SEL_1_REG_USB2_DEV_SEL; +	out8(FPGA_SELECTION_1_REG,fpga_selection_1_reg); +} + +/*----------------------------------------------------------------------------+ +  | usb2_device_reset_through_fpga. +  +----------------------------------------------------------------------------*/ +void usb2_device_reset_through_fpga(void) +{ +	/* Perform soft Reset pulse */ +	unsigned long fpga_reset_reg; +	int i; + +	fpga_reset_reg = in8(FPGA_RESET_REG); +	out8(FPGA_RESET_REG,fpga_reset_reg | FPGA_RESET_REG_RESET_USB20_DEV); +	for (i=0; i<500; i++) +		udelay(1000); +	out8(FPGA_RESET_REG,fpga_reset_reg); +} + +/*----------------------------------------------------------------------------+ +  | usb2_host_selection_in_fpga. +  +----------------------------------------------------------------------------*/ +void usb2_host_selection_in_fpga(void) +{ +	unsigned long fpga_selection_1_reg; + +	fpga_selection_1_reg = in8(FPGA_SELECTION_1_REG) | FPGA_SEL_1_REG_USB2_HOST_SEL; +	out8(FPGA_SELECTION_1_REG,fpga_selection_1_reg); +} + +/*----------------------------------------------------------------------------+ +  | ndfc_selection_in_fpga. +  +----------------------------------------------------------------------------*/ +void ndfc_selection_in_fpga(void) +{ +	unsigned long fpga_selection_1_reg; + +	fpga_selection_1_reg  = in8(FPGA_SELECTION_1_REG) &~FPGA_SEL_1_REG_NF_SELEC_MASK; +	fpga_selection_1_reg |= FPGA_SEL_1_REG_NF0_SEL_BY_NFCS1; +	/*fpga_selection_1_reg |= FPGA_SEL_1_REG_NF1_SEL_BY_NFCS2; */ +	/*fpga_selection_1_reg |= FPGA_SEL_1_REG_NF1_SEL_BY_NFCS3; */ +	out8(FPGA_SELECTION_1_REG,fpga_selection_1_reg); +} + +/*----------------------------------------------------------------------------+ +  | uart_selection_in_fpga. +  +----------------------------------------------------------------------------*/ +void uart_selection_in_fpga(uart_config_nb_t uart_config) +{ +	/* FPGA register */ +	unsigned char   fpga_selection_3_reg; + +	/* Read FPGA Reagister */ +	fpga_selection_3_reg = in8(FPGA_SELECTION_3_REG); + +	switch (uart_config) +	{ +	case L1: +		/* ----------------------------------------------------------------------- */ +		/* L1 configuration:    UART0 = 8 pins */ +		/* ----------------------------------------------------------------------- */ +		/* Configure FPGA */ +		fpga_selection_3_reg    = fpga_selection_3_reg & ~FPGA_SEL3_REG_SEL_UART_CONFIG_MASK; +		fpga_selection_3_reg    = fpga_selection_3_reg | FPGA_SEL3_REG_SEL_UART_CONFIG1; +		out8(FPGA_SELECTION_3_REG, fpga_selection_3_reg); + +		break; + +	case L2: +		/* ----------------------------------------------------------------------- */ +		/* L2 configuration:    UART0 = 4 pins */ +		/*                      UART1 = 4 pins */ +		/* ----------------------------------------------------------------------- */ +		/* Configure FPGA */ +		fpga_selection_3_reg    = fpga_selection_3_reg & ~FPGA_SEL3_REG_SEL_UART_CONFIG_MASK; +		fpga_selection_3_reg    = fpga_selection_3_reg | FPGA_SEL3_REG_SEL_UART_CONFIG2; +		out8(FPGA_SELECTION_3_REG, fpga_selection_3_reg); + +		break; + +	case L3: +		/* ----------------------------------------------------------------------- */ +		/* L3 configuration:    UART0 = 4 pins */ +		/*                      UART1 = 2 pins */ +		/*                      UART2 = 2 pins */ +		/* ----------------------------------------------------------------------- */ +		/* Configure FPGA */ +		fpga_selection_3_reg    = fpga_selection_3_reg & ~FPGA_SEL3_REG_SEL_UART_CONFIG_MASK; +		fpga_selection_3_reg    = fpga_selection_3_reg | FPGA_SEL3_REG_SEL_UART_CONFIG3; +		out8(FPGA_SELECTION_3_REG, fpga_selection_3_reg); +		break; + +	case L4: +		/* Configure FPGA */ +		fpga_selection_3_reg    = fpga_selection_3_reg & ~FPGA_SEL3_REG_SEL_UART_CONFIG_MASK; +		fpga_selection_3_reg    = fpga_selection_3_reg | FPGA_SEL3_REG_SEL_UART_CONFIG4; +		out8(FPGA_SELECTION_3_REG, fpga_selection_3_reg); + +		break; + +	default: +		/* Unsupported UART configuration number */ +		for (;;) +			; +		break; + +	} +} + + +/*----------------------------------------------------------------------------+ +  | init_default_gpio +  +----------------------------------------------------------------------------*/ +void init_default_gpio(void) +{ +	int i; + +	/* Init GPIO0 */ +	for(i=0; i<GPIO_MAX; i++) +	{ +		gpio_tab[GPIO0][i].add    = GPIO0_BASE; +		gpio_tab[GPIO0][i].in_out = GPIO_DIS; +		gpio_tab[GPIO0][i].alt_nb = GPIO_SEL; +	} + +	/* Init GPIO1 */ +	for(i=0; i<GPIO_MAX; i++) +	{ +		gpio_tab[GPIO1][i].add    = GPIO1_BASE; +		gpio_tab[GPIO1][i].in_out = GPIO_DIS; +		gpio_tab[GPIO1][i].alt_nb = GPIO_SEL; +	} + +	/* EBC_CS_N(5) - GPIO0_10 */ +	gpio_tab[GPIO0][10].in_out    = GPIO_OUT; +	gpio_tab[GPIO0][10].alt_nb    = GPIO_ALT1; + +	/* EBC_CS_N(4) - GPIO0_9 */ +	gpio_tab[GPIO0][9].in_out    = GPIO_OUT; +	gpio_tab[GPIO0][9].alt_nb    = GPIO_ALT1; +} + +/*----------------------------------------------------------------------------+ +  | update_uart_ios +  +------------------------------------------------------------------------------ +  | +  | Set UART Configuration in PowerPC440EP +  | +  | +---------------------------------------------------------------------+ +  | | Configuartion   |   Connector   | Nb of pins | Pins   | Associated  | +  | |    Number       |   Port Name   |  available | naming |   CORE      | +  | +-----------------+---------------+------------+--------+-------------+ +  | |     L1          |   Port_A      |     8      | UART   | UART core 0 | +  | +-----------------+---------------+------------+--------+-------------+ +  | |     L2          |   Port_A      |     4      | UART1  | UART core 0 | +  | |    (L2D)        |   Port_B      |     4      | UART2  | UART core 1 | +  | +-----------------+---------------+------------+--------+-------------+ +  | |     L3          |   Port_A      |     4      | UART1  | UART core 0 | +  | |    (L3D)        |   Port_B      |     2      | UART2  | UART core 1 | +  | |                 |   Port_C      |     2      | UART3  | UART core 2 | +  | +-----------------+---------------+------------+--------+-------------+ +  | |                 |   Port_A      |     2      | UART1  | UART core 0 | +  | |     L4          |   Port_B      |     2      | UART2  | UART core 1 | +  | |    (L4D)        |   Port_C      |     2      | UART3  | UART core 2 | +  | |                 |   Port_D      |     2      | UART4  | UART core 3 | +  | +-----------------+---------------+------------+--------+-------------+ +  | +  |  Involved GPIOs +  | +  | +------------------------------------------------------------------------------+ +  | |  GPIO   |   Aternate 1     | I/O |  Alternate 2    | I/O | Alternate 3 | I/O | +  | +---------+------------------+-----+-----------------+-----+-------------+-----+ +  | | GPIO1_2 | UART0_DCD_N      |  I  | UART1_DSR_CTS_N |  I  | UART2_SOUT  |  O  | +  | | GPIO1_3 | UART0_8PIN_DSR_N |  I  | UART1_RTS_DTR_N |  O  | UART2_SIN   |  I  | +  | | GPIO1_4 | UART0_8PIN_CTS_N |  I  | NA              |  NA | UART3_SIN   |  I  | +  | | GPIO1_5 | UART0_RTS_N      |  O  | NA              |  NA | UART3_SOUT  |  O  | +  | | GPIO1_6 | UART0_DTR_N      |  O  | UART1_SOUT      |  O  | NA          |  NA | +  | | GPIO1_7 | UART0_RI_N       |  I  | UART1_SIN       |  I  | NA          |  NA | +  | +------------------------------------------------------------------------------+ +  | +  | +  +----------------------------------------------------------------------------*/ + +void update_uart_ios(uart_config_nb_t uart_config) +{ +	switch (uart_config) +	{ +	case L1: +		/* ----------------------------------------------------------------------- */ +		/* L1 configuration:    UART0 = 8 pins */ +		/* ----------------------------------------------------------------------- */ +		/* Update GPIO Configuration Table */ +		gpio_tab[GPIO1][2].in_out = GPIO_IN; +		gpio_tab[GPIO1][2].alt_nb = GPIO_ALT1; + +		gpio_tab[GPIO1][3].in_out = GPIO_IN; +		gpio_tab[GPIO1][3].alt_nb = GPIO_ALT1; + +		gpio_tab[GPIO1][4].in_out = GPIO_IN; +		gpio_tab[GPIO1][4].alt_nb = GPIO_ALT1; + +		gpio_tab[GPIO1][5].in_out = GPIO_OUT; +		gpio_tab[GPIO1][5].alt_nb = GPIO_ALT1; + +		gpio_tab[GPIO1][6].in_out = GPIO_OUT; +		gpio_tab[GPIO1][6].alt_nb = GPIO_ALT1; + +		gpio_tab[GPIO1][7].in_out = GPIO_IN; +		gpio_tab[GPIO1][7].alt_nb = GPIO_ALT1; + +		break; + +	case L2: +		/* ----------------------------------------------------------------------- */ +		/* L2 configuration:    UART0 = 4 pins */ +		/*                      UART1 = 4 pins */ +		/* ----------------------------------------------------------------------- */ +		/* Update GPIO Configuration Table */ +		gpio_tab[GPIO1][2].in_out = GPIO_IN; +		gpio_tab[GPIO1][2].alt_nb = GPIO_ALT2; + +		gpio_tab[GPIO1][3].in_out = GPIO_OUT; +		gpio_tab[GPIO1][3].alt_nb = GPIO_ALT2; + +		gpio_tab[GPIO1][4].in_out = GPIO_IN; +		gpio_tab[GPIO1][4].alt_nb = GPIO_ALT1; + +		gpio_tab[GPIO1][5].in_out = GPIO_OUT; +		gpio_tab[GPIO1][5].alt_nb = GPIO_ALT1; + +		gpio_tab[GPIO1][6].in_out = GPIO_OUT; +		gpio_tab[GPIO1][6].alt_nb = GPIO_ALT2; + +		gpio_tab[GPIO1][7].in_out = GPIO_IN; +		gpio_tab[GPIO1][7].alt_nb = GPIO_ALT2; + +		break; + +	case L3: +		/* ----------------------------------------------------------------------- */ +		/* L3 configuration:    UART0 = 4 pins */ +		/*                      UART1 = 2 pins */ +		/*                      UART2 = 2 pins */ +		/* ----------------------------------------------------------------------- */ +		/* Update GPIO Configuration Table */ +		gpio_tab[GPIO1][2].in_out = GPIO_OUT; +		gpio_tab[GPIO1][2].alt_nb = GPIO_ALT3; + +		gpio_tab[GPIO1][3].in_out = GPIO_IN; +		gpio_tab[GPIO1][3].alt_nb = GPIO_ALT3; + +		gpio_tab[GPIO1][4].in_out = GPIO_IN; +		gpio_tab[GPIO1][4].alt_nb = GPIO_ALT1; + +		gpio_tab[GPIO1][5].in_out = GPIO_OUT; +		gpio_tab[GPIO1][5].alt_nb = GPIO_ALT1; + +		gpio_tab[GPIO1][6].in_out = GPIO_OUT; +		gpio_tab[GPIO1][6].alt_nb = GPIO_ALT2; + +		gpio_tab[GPIO1][7].in_out = GPIO_IN; +		gpio_tab[GPIO1][7].alt_nb = GPIO_ALT2; + +		break; + +	case L4: +		/* ----------------------------------------------------------------------- */ +		/* L4 configuration:    UART0 = 2 pins */ +		/*                      UART1 = 2 pins */ +		/*                      UART2 = 2 pins */ +		/*                      UART3 = 2 pins */ +		/* ----------------------------------------------------------------------- */ +		/* Update GPIO Configuration Table */ +		gpio_tab[GPIO1][2].in_out = GPIO_OUT; +		gpio_tab[GPIO1][2].alt_nb = GPIO_ALT3; + +		gpio_tab[GPIO1][3].in_out = GPIO_IN; +		gpio_tab[GPIO1][3].alt_nb = GPIO_ALT3; + +		gpio_tab[GPIO1][4].in_out = GPIO_IN; +		gpio_tab[GPIO1][4].alt_nb = GPIO_ALT3; + +		gpio_tab[GPIO1][5].in_out = GPIO_OUT; +		gpio_tab[GPIO1][5].alt_nb = GPIO_ALT3; + +		gpio_tab[GPIO1][6].in_out = GPIO_OUT; +		gpio_tab[GPIO1][6].alt_nb = GPIO_ALT2; + +		gpio_tab[GPIO1][7].in_out = GPIO_IN; +		gpio_tab[GPIO1][7].alt_nb = GPIO_ALT2; + +		break; + +	default: +		/* Unsupported UART configuration number */ +		printf("ERROR - Unsupported UART configuration number.\n\n"); +		for (;;) +			; +		break; + +	} + +	/* Set input Selection Register on Alt_Receive for UART Input Core */ +	out32(GPIO1_IS1L, (in32(GPIO1_IS1L) | 0x0FC30000)); +	out32(GPIO1_IS2L, (in32(GPIO1_IS2L) | 0x0C030000)); +	out32(GPIO1_IS3L, (in32(GPIO1_IS3L) | 0x03C00000)); +} + +/*----------------------------------------------------------------------------+ +  | update_ndfc_ios(void). +  +----------------------------------------------------------------------------*/ +void update_ndfc_ios(void) +{ +        /* Update GPIO Configuration Table */ +        gpio_tab[GPIO0][6].in_out = GPIO_OUT;       /* EBC_CS_N(1) */ +        gpio_tab[GPIO0][6].alt_nb = GPIO_ALT1; + +#if 0 +        gpio_tab[GPIO0][7].in_out = GPIO_OUT;       /* EBC_CS_N(2) */ +	gpio_tab[GPIO0][7].alt_nb = GPIO_ALT1; + +	gpio_tab[GPIO0][7].in_out = GPIO_OUT;       /* EBC_CS_N(3) */ +	gpio_tab[GPIO0][7].alt_nb = GPIO_ALT1;  #endif +} + +/*----------------------------------------------------------------------------+ +  | update_zii_ios(void). +  +----------------------------------------------------------------------------*/ +void update_zii_ios(void) +{ +        /* Update GPIO Configuration Table */ +        gpio_tab[GPIO0][12].in_out = GPIO_IN;       /* ZII_p0Rxd(0) */ +        gpio_tab[GPIO0][12].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][13].in_out = GPIO_IN;       /* ZII_p0Rxd(1) */ +        gpio_tab[GPIO0][13].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][14].in_out = GPIO_IN;       /* ZII_p0Rxd(2) */ +        gpio_tab[GPIO0][14].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][15].in_out = GPIO_IN;       /* ZII_p0Rxd(3) */ +        gpio_tab[GPIO0][15].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][16].in_out = GPIO_OUT;      /* ZII_p0Txd(0) */ +        gpio_tab[GPIO0][16].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][17].in_out = GPIO_OUT;      /* ZII_p0Txd(1) */ +        gpio_tab[GPIO0][17].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][18].in_out = GPIO_OUT;      /* ZII_p0Txd(2) */ +        gpio_tab[GPIO0][18].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][19].in_out = GPIO_OUT;      /* ZII_p0Txd(3) */ +        gpio_tab[GPIO0][19].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][20].in_out = GPIO_IN;       /* ZII_p0Rx_er */ +        gpio_tab[GPIO0][20].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][21].in_out = GPIO_IN;       /* ZII_p0Rx_dv */ +        gpio_tab[GPIO0][21].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][22].in_out = GPIO_IN;       /* ZII_p0Crs */ +        gpio_tab[GPIO0][22].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][23].in_out = GPIO_OUT;      /* ZII_p0Tx_er */ +        gpio_tab[GPIO0][23].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][24].in_out = GPIO_OUT;      /* ZII_p0Tx_en */ +        gpio_tab[GPIO0][24].alt_nb = GPIO_ALT1; + +        gpio_tab[GPIO0][25].in_out = GPIO_IN;       /* ZII_p0Col */ +        gpio_tab[GPIO0][25].alt_nb = GPIO_ALT1; + +} + +/*----------------------------------------------------------------------------+ +  | update_uic_0_3_irq_ios(). +  +----------------------------------------------------------------------------*/ +void update_uic_0_3_irq_ios(void) +{ +	gpio_tab[GPIO1][8].in_out = GPIO_IN;        /* UIC_IRQ(0) */ +	gpio_tab[GPIO1][8].alt_nb = GPIO_ALT1; + +	gpio_tab[GPIO1][9].in_out = GPIO_IN;        /* UIC_IRQ(1) */ +	gpio_tab[GPIO1][9].alt_nb = GPIO_ALT1; + +	gpio_tab[GPIO1][10].in_out = GPIO_IN;       /* UIC_IRQ(2) */ +	gpio_tab[GPIO1][10].alt_nb = GPIO_ALT1; + +	gpio_tab[GPIO1][11].in_out = GPIO_IN;       /* UIC_IRQ(3) */ +	gpio_tab[GPIO1][11].alt_nb = GPIO_ALT1; +} + +/*----------------------------------------------------------------------------+ +  | update_uic_4_9_irq_ios(). +  +----------------------------------------------------------------------------*/ +void update_uic_4_9_irq_ios(void) +{ +	gpio_tab[GPIO1][12].in_out = GPIO_IN;       /* UIC_IRQ(4) */ +	gpio_tab[GPIO1][12].alt_nb = GPIO_ALT1; + +	gpio_tab[GPIO1][13].in_out = GPIO_IN;       /* UIC_IRQ(6) */ +	gpio_tab[GPIO1][13].alt_nb = GPIO_ALT1; + +	gpio_tab[GPIO1][14].in_out = GPIO_IN;       /* UIC_IRQ(7) */ +	gpio_tab[GPIO1][14].alt_nb = GPIO_ALT1; + +	gpio_tab[GPIO1][15].in_out = GPIO_IN;       /* UIC_IRQ(8) */ +	gpio_tab[GPIO1][15].alt_nb = GPIO_ALT1; + +	gpio_tab[GPIO1][16].in_out = GPIO_IN;       /* UIC_IRQ(9) */ +	gpio_tab[GPIO1][16].alt_nb = GPIO_ALT1; +} + +/*----------------------------------------------------------------------------+ +  | update_dma_a_b_ios(). +  +----------------------------------------------------------------------------*/ +void update_dma_a_b_ios(void) +{ +	gpio_tab[GPIO1][12].in_out = GPIO_OUT;      /* DMA_ACK(1) */ +	gpio_tab[GPIO1][12].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO1][13].in_out = GPIO_BI;       /* DMA_EOT/TC(1) */ +	gpio_tab[GPIO1][13].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO1][14].in_out = GPIO_IN;       /* DMA_REQ(0) */ +	gpio_tab[GPIO1][14].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO1][15].in_out = GPIO_OUT;      /* DMA_ACK(0) */ +	gpio_tab[GPIO1][15].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO1][16].in_out = GPIO_BI;       /* DMA_EOT/TC(0) */ +	gpio_tab[GPIO1][16].alt_nb = GPIO_ALT2; +} + +/*----------------------------------------------------------------------------+ +  | update_dma_c_d_ios(). +  +----------------------------------------------------------------------------*/ +void update_dma_c_d_ios(void) +{ +	gpio_tab[GPIO0][0].in_out = GPIO_IN;        /* DMA_REQ(2) */ +	gpio_tab[GPIO0][0].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO0][1].in_out = GPIO_OUT;       /* DMA_ACK(2) */ +	gpio_tab[GPIO0][1].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO0][2].in_out = GPIO_BI;        /* DMA_EOT/TC(2) */ +	gpio_tab[GPIO0][2].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO0][3].in_out = GPIO_IN;        /* DMA_REQ(3) */ +	gpio_tab[GPIO0][3].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO0][4].in_out = GPIO_OUT;       /* DMA_ACK(3) */ +	gpio_tab[GPIO0][4].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO0][5].in_out = GPIO_BI;        /* DMA_EOT/TC(3) */ +	gpio_tab[GPIO0][5].alt_nb = GPIO_ALT2; + +} + +/*----------------------------------------------------------------------------+ +  | update_ebc_master_ios(). +  +----------------------------------------------------------------------------*/ +void update_ebc_master_ios(void) +{ +	gpio_tab[GPIO0][27].in_out = GPIO_IN;       /* EXT_EBC_REQ */ +	gpio_tab[GPIO0][27].alt_nb = GPIO_ALT1; + +	gpio_tab[GPIO0][29].in_out = GPIO_OUT;      /* EBC_EXT_HDLA */ +	gpio_tab[GPIO0][29].alt_nb = GPIO_ALT1; + +	gpio_tab[GPIO0][30].in_out = GPIO_OUT;      /* EBC_EXT_ACK */ +	gpio_tab[GPIO0][30].alt_nb = GPIO_ALT1; + +	gpio_tab[GPIO0][31].in_out = GPIO_OUT;      /* EBC_EXR_BUSREQ */ +	gpio_tab[GPIO0][31].alt_nb = GPIO_ALT1; +} + +/*----------------------------------------------------------------------------+ +  | update_usb2_device_ios(). +  +----------------------------------------------------------------------------*/ +void update_usb2_device_ios(void) +{ +	gpio_tab[GPIO0][26].in_out = GPIO_IN;       /* USB2D_RXVALID */ +	gpio_tab[GPIO0][26].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO0][27].in_out = GPIO_IN;       /* USB2D_RXERROR */ +	gpio_tab[GPIO0][27].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO0][28].in_out = GPIO_OUT;      /* USB2D_TXVALID */ +	gpio_tab[GPIO0][28].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO0][29].in_out = GPIO_OUT;      /* USB2D_PAD_SUSPNDM */ +	gpio_tab[GPIO0][29].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO0][30].in_out = GPIO_OUT;      /* USB2D_XCVRSELECT */ +	gpio_tab[GPIO0][30].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO0][31].in_out = GPIO_OUT;      /* USB2D_TERMSELECT */ +	gpio_tab[GPIO0][31].alt_nb = GPIO_ALT2; + +	gpio_tab[GPIO1][0].in_out = GPIO_OUT;       /* USB2D_OPMODE0 */ +	gpio_tab[GPIO1][0].alt_nb = GPIO_ALT1; + +	gpio_tab[GPIO1][1].in_out = GPIO_OUT;       /* USB2D_OPMODE1 */ +	gpio_tab[GPIO1][1].alt_nb = GPIO_ALT1; + +} + +/*----------------------------------------------------------------------------+ +  | update_pci_patch_ios(). +  +----------------------------------------------------------------------------*/ +void update_pci_patch_ios(void) +{ +	gpio_tab[GPIO0][29].in_out = GPIO_OUT;      /* EBC_EXT_HDLA */ +	gpio_tab[GPIO0][29].alt_nb = GPIO_ALT1; +} + +/*----------------------------------------------------------------------------+ +  |   set_chip_gpio_configuration(unsigned char gpio_core) +  |   Put the core impacted by clock modification and sharing in reset. +  |   Config the select registers to resolve the sharing depending of the config. +  |   Configure the GPIO registers. +  | +  +----------------------------------------------------------------------------*/ +void set_chip_gpio_configuration(unsigned char gpio_core) +{ +	unsigned char i=0, j=0, reg_offset = 0; +	unsigned long gpio_reg, gpio_core_add; + +	/* GPIO config of the GPIOs 0 to 31 */ +	for (i=0; i<GPIO_MAX; i++, j++) +	{ +		if (i == GPIO_MAX/2) +		{ +			reg_offset = 4; +			j = i-16; +		} + +		gpio_core_add = gpio_tab[gpio_core][i].add; + +		if ( (gpio_tab[gpio_core][i].in_out == GPIO_IN) || +		     (gpio_tab[gpio_core][i].in_out == GPIO_BI )) +		{ +			switch (gpio_tab[gpio_core][i].alt_nb) +			{ +			case GPIO_SEL: +				break; + +			case GPIO_ALT1: +				gpio_reg = in32(GPIO_IS1(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2)); +				gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2)); +				out32(GPIO_IS1(gpio_core_add+reg_offset), gpio_reg); +				break; + +			case GPIO_ALT2: +				gpio_reg = in32(GPIO_IS2(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2)); +				gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2)); +				out32(GPIO_IS2(gpio_core_add+reg_offset), gpio_reg); +				break; + +			case GPIO_ALT3: +				gpio_reg = in32(GPIO_IS3(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2)); +				gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2)); +				out32(GPIO_IS3(gpio_core_add+reg_offset), gpio_reg); +				break; +			} +		} +		if ( (gpio_tab[gpio_core][i].in_out == GPIO_OUT) || +		     (gpio_tab[gpio_core][i].in_out == GPIO_BI )) +		{ + +			switch (gpio_tab[gpio_core][i].alt_nb) +			{ +			case GPIO_SEL: +				break; +			case GPIO_ALT1: +				gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2)); +				gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2)); +				out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg); +				gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2)); +				gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2)); +				out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg); +				break; +			case GPIO_ALT2: +				gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2)); +				gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2)); +				out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg); +				gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2)); +				gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2)); +				out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg); +				break; +			case GPIO_ALT3: +				gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2)); +				gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2)); +				out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg); +				gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2)); +				gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2)); +				out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg); +				break; +			} +		} +	} +} + +/*----------------------------------------------------------------------------+ +  | force_bup_core_selection. +  +----------------------------------------------------------------------------*/ +void force_bup_core_selection(core_selection_t *core_select_P, config_validity_t *config_val_P) +{ +	/* Pointer invalid */ +	if (core_select_P == NULL) +	{ +		printf("Configuration invalid pointer 1\n"); +		for (;;) +			; +	} + +	/* L4 Selection */ +	*(core_select_P+UART_CORE0)            = CORE_SELECTED; +	*(core_select_P+UART_CORE1)            = CORE_SELECTED; +	*(core_select_P+UART_CORE2)            = CORE_SELECTED; +	*(core_select_P+UART_CORE3)            = CORE_SELECTED; + +	/* RMII Selection */ +	*(core_select_P+RMII_SEL)               = CORE_SELECTED; + +	/* External Interrupt 0-9 selection */ +	*(core_select_P+UIC_0_3)                = CORE_SELECTED; +	*(core_select_P+UIC_4_9)                = CORE_SELECTED; + +	*(core_select_P+SCP_CORE)            = CORE_SELECTED; +	*(core_select_P+DMA_CHANNEL_CD)            = CORE_SELECTED; +	*(core_select_P+PACKET_REJ_FUNC_AVAIL)            = CORE_SELECTED; +	*(core_select_P+USB1_DEVICE)            = CORE_SELECTED; + +	*config_val_P = CONFIG_IS_VALID; + +} + +/*----------------------------------------------------------------------------+ +  | configure_ppc440ep_pins. +  +----------------------------------------------------------------------------*/ +void configure_ppc440ep_pins(void) +{ +	uart_config_nb_t uart_configuration; +	config_validity_t config_val = CONFIG_IS_INVALID; + +	/* Create Core Selection Table */ +	core_selection_t ppc440ep_core_selection[MAX_CORE_SELECT_NB] = +		{ +			CORE_NOT_SELECTED,      /* IIC_CORE, */ +			CORE_NOT_SELECTED,      /* SPC_CORE, */ +			CORE_NOT_SELECTED,      /* DMA_CHANNEL_AB, */ +			CORE_NOT_SELECTED,      /* UIC_4_9, */ +			CORE_NOT_SELECTED,      /* USB2_HOST, */ +			CORE_NOT_SELECTED,      /* DMA_CHANNEL_CD, */ +			CORE_NOT_SELECTED,      /* USB2_DEVICE, */ +			CORE_NOT_SELECTED,      /* PACKET_REJ_FUNC_AVAIL, */ +			CORE_NOT_SELECTED,      /* USB1_DEVICE, */ +			CORE_NOT_SELECTED,      /* EBC_MASTER, */ +			CORE_NOT_SELECTED,      /* NAND_FLASH, */ +			CORE_NOT_SELECTED,      /* UART_CORE0, */ +			CORE_NOT_SELECTED,      /* UART_CORE1, */ +			CORE_NOT_SELECTED,      /* UART_CORE2, */ +			CORE_NOT_SELECTED,      /* UART_CORE3, */ +			CORE_NOT_SELECTED,      /* MII_SEL, */ +			CORE_NOT_SELECTED,      /* RMII_SEL, */ +			CORE_NOT_SELECTED,      /* SMII_SEL, */ +			CORE_NOT_SELECTED,      /* PACKET_REJ_FUNC_EN */ +			CORE_NOT_SELECTED,      /* UIC_0_3 */ +			CORE_NOT_SELECTED,      /* USB1_HOST */ +			CORE_NOT_SELECTED       /* PCI_PATCH */ +		}; + + +	/* Table Default Initialisation + FPGA Access */ +	init_default_gpio(); +	set_chip_gpio_configuration(GPIO0); +	set_chip_gpio_configuration(GPIO1); + +	/* Update Table */ +	force_bup_core_selection(ppc440ep_core_selection, &config_val); +#if 0 /* test-only */ +	/* If we are running PIBS 1, force known configuration */ +	update_core_selection_table(ppc440ep_core_selection, &config_val); +#endif + +	/*----------------------------------------------------------------------------+ +	  | SDR + ios table update + fpga initialization +	  +----------------------------------------------------------------------------*/ +	unsigned long sdr0_pfc1     = 0; +	unsigned long sdr0_usb0     = 0; +	unsigned long sdr0_mfr      = 0; + +	/* PCI Always selected */ + +	/* I2C Selection */ +	if (ppc440ep_core_selection[IIC_CORE] == CORE_SELECTED) +	{ +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_IIC1_SEL; +		iic1_selection_in_fpga(); +	} + +	/* SCP Selection */ +	if (ppc440ep_core_selection[SCP_CORE] == CORE_SELECTED) +	{ +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_SCP_SEL; +		scp_selection_in_fpga(); +	} + +	/* UIC 0:3 Selection */ +	if (ppc440ep_core_selection[UIC_0_3] == CORE_SELECTED) +	{ +		update_uic_0_3_irq_ios(); +		dma_a_b_unselect_in_fpga(); +	} + +	/* UIC 4:9 Selection */ +	if (ppc440ep_core_selection[UIC_4_9] == CORE_SELECTED) +	{ +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_DIS_MASK) | SDR0_PFC1_DIS_UICIRQ5_SEL; +		update_uic_4_9_irq_ios(); +	} + +	/* DMA AB Selection */ +	if (ppc440ep_core_selection[DMA_CHANNEL_AB] == CORE_SELECTED) +	{ +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_DIS_MASK) | SDR0_PFC1_DIS_DMAR_SEL; +		update_dma_a_b_ios(); +		dma_a_b_selection_in_fpga(); +	} + +	/* DMA CD Selection */ +	if (ppc440ep_core_selection[DMA_CHANNEL_CD] == CORE_SELECTED) +	{ +		update_dma_c_d_ios(); +		dma_c_d_selection_in_fpga(); +	} + +	/* EBC Master Selection */ +	if (ppc440ep_core_selection[EBC_MASTER] == CORE_SELECTED) +	{ +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_ERE_MASK) | SDR0_PFC1_ERE_EXTR_SEL; +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_EBCHR_SEL; +		update_ebc_master_ios(); +	} + +	/* PCI Patch Enable */ +	if (ppc440ep_core_selection[PCI_PATCH] == CORE_SELECTED) +	{ +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_EBCHR_SEL; +		update_pci_patch_ios(); +	} + +	/* USB2 Host Selection - Not Implemented in PowerPC 440EP Pass1 */ +	if (ppc440ep_core_selection[USB2_HOST] == CORE_SELECTED) +	{ +		/* Not Implemented in PowerPC 440EP Pass1-Pass2 */ +		printf("Invalid configuration => USB2 Host selected\n"); +		for (;;) +			; +		/*usb2_host_selection_in_fpga(); */ +	} + +	/* USB2.0 Device Selection */ +	if (ppc440ep_core_selection[USB2_DEVICE] == CORE_SELECTED) +	{ +		update_usb2_device_ios(); +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_USB2D_SEL; +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UPR_MASK) | SDR0_PFC1_UPR_DISABLE; + +		mfsdr(sdr_usb0, sdr0_usb0); +		sdr0_usb0 = sdr0_usb0 &~SDR0_USB0_USB_DEVSEL_MASK; +		sdr0_usb0 = sdr0_usb0 | SDR0_USB0_USB20D_DEVSEL; +		mtsdr(sdr_usb0, sdr0_usb0); + +		usb2_device_selection_in_fpga(); +	} + +	/* USB1.1 Device Selection */ +	if (ppc440ep_core_selection[USB1_DEVICE] == CORE_SELECTED) +	{ +		mfsdr(sdr_usb0, sdr0_usb0); +		sdr0_usb0 = sdr0_usb0 &~SDR0_USB0_USB_DEVSEL_MASK; +		sdr0_usb0 = sdr0_usb0 | SDR0_USB0_USB11D_DEVSEL; +		mtsdr(sdr_usb0, sdr0_usb0); +	} + +	/* USB1.1 Host Selection */ +	if (ppc440ep_core_selection[USB1_HOST] == CORE_SELECTED) +	{ +		mfsdr(sdr_usb0, sdr0_usb0); +		sdr0_usb0 = sdr0_usb0 &~SDR0_USB0_LEEN_MASK; +		sdr0_usb0 = sdr0_usb0 | SDR0_USB0_LEEN_ENABLE; +		mtsdr(sdr_usb0, sdr0_usb0); +	} + +	/* NAND Flash Selection */ +	if (ppc440ep_core_selection[NAND_FLASH] == CORE_SELECTED) +	{ +		update_ndfc_ios(); + +		mtsdr(sdr_cust0, SDR0_CUST0_MUX_NDFC_SEL   | +		      SDR0_CUST0_NDFC_ENABLE    | +		      SDR0_CUST0_NDFC_BW_8_BIT  | +		      SDR0_CUST0_NDFC_ARE_MASK  | +		      SDR0_CUST0_CHIPSELGAT_EN1 ); +		/*SDR0_CUST0_CHIPSELGAT_EN2 ); */ +		/*SDR0_CUST0_CHIPSELGAT_EN3 ); */ + +		ndfc_selection_in_fpga(); +	} +	else +	{ +		/* Set Mux on EMAC */ +		mtsdr(sdr_cust0, SDR0_CUST0_MUX_EMAC_SEL); +	} + +	/* MII Selection */ +	if (ppc440ep_core_selection[MII_SEL] == CORE_SELECTED) +	{ +		update_zii_ios(); +		mfsdr(sdr_mfr, sdr0_mfr); +		sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_MII; +		mtsdr(sdr_mfr, sdr0_mfr); + +		set_phy_configuration_through_fpga(ZMII_CONFIGURATION_IS_MII); +	} + +	/* RMII Selection */ +	if (ppc440ep_core_selection[RMII_SEL] == CORE_SELECTED) +	{ +		update_zii_ios(); +		mfsdr(sdr_mfr, sdr0_mfr); +		sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_10M; +		mtsdr(sdr_mfr, sdr0_mfr); + +		set_phy_configuration_through_fpga(ZMII_CONFIGURATION_IS_RMII); +	} + +	/* SMII Selection */ +	if (ppc440ep_core_selection[SMII_SEL] == CORE_SELECTED) +	{ +		update_zii_ios(); +		mfsdr(sdr_mfr, sdr0_mfr); +		sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_SMII; +		mtsdr(sdr_mfr, sdr0_mfr); + +		set_phy_configuration_through_fpga(ZMII_CONFIGURATION_IS_SMII); +	} + +	/* UART Selection */ +	uart_configuration = get_uart_configuration(); +	switch (uart_configuration) +	{ +	case L1:         /* L1 Selection */ +		/* UART0 8 pins Only */ +		/*sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) | SDR0_PFC1_U0ME_DSR_DTR; */ +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) |SDR0_PFC1_U0ME_CTS_RTS;   /* Chip Pb */ +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0IM_MASK) | SDR0_PFC1_U0IM_8PINS; +		break; +	case L2:         /* L2 Selection */ +		/* UART0 and UART1 4 pins */ +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR; +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0IM_MASK) | SDR0_PFC1_U0IM_4PINS; +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR; +		break; +	case L3:         /* L3 Selection */ +		/* UART0 4 pins, UART1 and UART2 2 pins */ +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR; +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0IM_MASK) | SDR0_PFC1_U0IM_4PINS; +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR; +		break; +	case L4:         /* L4 Selection */ +		/* UART0, UART1, UART2 and UART3 2 pins */ +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) | SDR0_PFC1_U0ME_DSR_DTR; +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0IM_MASK) | SDR0_PFC1_U0IM_4PINS; +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR; +		break; +	} +	update_uart_ios(uart_configuration); + +	/* UART Selection in all cases */ +	uart_selection_in_fpga(uart_configuration); + +	/* Packet Reject Function Available */ +	if (ppc440ep_core_selection[PACKET_REJ_FUNC_AVAIL] == CORE_SELECTED) +	{ +		/* Set UPR Bit in SDR0_PFC1 Register */ +		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UPR_MASK) | SDR0_PFC1_UPR_ENABLE; +	} + +	/* Packet Reject Function Enable */ +	if (ppc440ep_core_selection[PACKET_REJ_FUNC_EN] == CORE_SELECTED) +	{ +		mfsdr(sdr_mfr, sdr0_mfr); +		sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_PKT_REJ_MASK) | SDR0_MFR_PKT_REJ_EN;; +		mtsdr(sdr_mfr, sdr0_mfr); +	} + +	/* Perform effective access to hardware */ +	mtsdr(sdr_pfc1, sdr0_pfc1); +	set_chip_gpio_configuration(GPIO0); +	set_chip_gpio_configuration(GPIO1); + +	/* USB2.0 Device Reset must be done after GPIO setting */ +	if (ppc440ep_core_selection[USB2_DEVICE] == CORE_SELECTED) +		usb2_device_reset_through_fpga(); + +} diff --git a/board/amcc/bamboo/bamboo.h b/board/amcc/bamboo/bamboo.h new file mode 100644 index 000000000..612e9af7d --- /dev/null +++ b/board/amcc/bamboo/bamboo.h @@ -0,0 +1,401 @@ +/* + * (C) Copyright 2005 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/*----------------------------------------------------------------------------+ +  | FPGA registers and bit definitions +  +----------------------------------------------------------------------------*/ +/* + * PowerPC 440EP Board FPGA is reached with physical address 0x80001FF0. + * TLB initialization makes it correspond to logical address 0x80001FF0. + * => Done init_chip.s in bootlib + */ +#define FPGA_BASE_ADDR  0x80002000 + +/*----------------------------------------------------------------------------+ +  | Board Jumpers Setting Register +  |   Board Settings provided by jumpers +  +----------------------------------------------------------------------------*/ +#define FPGA_SETTING_REG            (FPGA_BASE_ADDR+0x3) +/* Boot from small flash */ +#define     FPGA_SET_REG_BOOT_SMALL_FLASH           0x80 +/* Operational Flash versus SRAM position in Memory Map */ +#define     FPGA_SET_REG_OP_CODE_SRAM_SEL_MASK      0x40 +#define      FPGA_SET_REG_OP_CODE_FLASH_ABOVE        0x40 +#define      FPGA_SET_REG_SRAM_ABOVE                 0x00 +/* Boot From NAND Flash */ +#define     FPGA_SET_REG_BOOT_NAND_FLASH_MASK       0x40 +#define     FPGA_SET_REG_BOOT_NAND_FLASH_SELECT      0x00 +/* On Board PCI Arbiter Select */ +#define     FPGA_SET_REG_PCI_EXT_ARBITER_SEL_MASK   0x10 +#define     FPGA_SET_REG_PCI_EXT_ARBITER_SEL        0x00 + +/*----------------------------------------------------------------------------+ +  | Functions Selection Register 1 +  +----------------------------------------------------------------------------*/ +#define FPGA_SELECTION_1_REG        (FPGA_BASE_ADDR+0x4) +#define     FPGA_SEL_1_REG_PHY_MASK         0xE0 +#define     FPGA_SEL_1_REG_MII              0x80 +#define     FPGA_SEL_1_REG_RMII             0x40 +#define     FPGA_SEL_1_REG_SMII             0x20 +#define     FPGA_SEL_1_REG_USB2_DEV_SEL     0x10           /* USB2 Device Selection */ +#define     FPGA_SEL_1_REG_USB2_HOST_SEL    0x08           /* USB2 Host Selection */ +#define     FPGA_SEL_1_REG_NF_SELEC_MASK    0x07           /* NF Selection Mask */ +#define     FPGA_SEL_1_REG_NF0_SEL_BY_NFCS1 0x04           /* NF0 Selected by NF_CS1 */ +#define     FPGA_SEL_1_REG_NF1_SEL_BY_NFCS2 0x02           /* NF1 Selected by NF_CS2 */ +#define     FPGA_SEL_1_REG_NF1_SEL_BY_NFCS3 0x01           /* NF1 Selected by NF_CS3 */ + +/*----------------------------------------------------------------------------+ +  | Functions Selection Register 2 +  +----------------------------------------------------------------------------*/ +#define FPGA_SELECTION_2_REG        (FPGA_BASE_ADDR+0x5) +#define     FPGA_SEL2_REG_IIC1_SCP_SEL_MASK 0x80           /* IIC1 / SCP Selection */ +#define     FPGA_SEL2_REG_SEL_FRAM          0x80           /* FRAM on IIC1 bus selected - SCP Select */ +#define     FPGA_SEL2_REG_SEL_SCP           0x80           /* Identical to SCP Selection */ +#define     FPGA_SEL2_REG_SEL_IIC1          0x00           /* IIC1 Selection - Default Value */ +#define     FPGA_SEL2_REG_SEL_DMA_A_B       0x40           /* DMA A & B channels selected */ +#define     FPGA_SEL2_REG_SEL_DMA_C_D       0x20           /* DMA C & D channels selected */ +#define     FPGA_SEL2_REG_DMA_EOT_TC_3_SEL  0x10           /* 0 = EOT - input to 440EP */ +                                                           /* 1 = TC - output from 440EP */ +#define     FPGA_SEL2_REG_DMA_EOT_TC_2_SEL  0x08           /* 0 = EOT (input to 440EP) */ +                                                           /* 1 = TC (output from 440EP) */ +#define     FPGA_SEL2_REG_SEL_GPIO_1        0x04           /* EBC_GPIO & USB2_GPIO selected */ +#define     FPGA_SEL2_REG_SEL_GPIO_2        0x02           /* Ether._GPIO & UART_GPIO selected */ +#define     FPGA_SEL2_REG_SEL_GPIO_3        0x01           /* DMA_GPIO & Trace_GPIO selected */ + +/*----------------------------------------------------------------------------+ +  | Functions Selection Register 3 +  +----------------------------------------------------------------------------*/ +#define FPGA_SELECTION_3_REG        (FPGA_BASE_ADDR+0x6) +#define     FPGA_SEL3_REG_EXP_SLOT_EN               0x80    /* Expansion Slot enabled */ +#define     FPGA_SEL3_REG_SEL_UART_CONFIG_MASK      0x70 +#define     FPGA_SEL3_REG_SEL_UART_CONFIG1          0x40    /* one 8_pin UART */ +#define     FPGA_SEL3_REG_SEL_UART_CONFIG2          0x20    /* two 4_pin UARTs */ +#define     FPGA_SEL3_REG_SEL_UART_CONFIG3          0x10    /* one 4_pin & two 2_pin UARTs */ +#define     FPGA_SEL3_REG_SEL_UART_CONFIG4          0x08    /* four 2_pin UARTs */ +#define     FPGA_SEL3_REG_DTR_DSR_MODE_4_PIN_UART   0x00    /* DTR/DSR mode for 4_pin_UART */ +#define     FPGA_SEL3_REG_RTS_CTS_MODE_4_PIN_UART   0x04    /* RTS/CTS mode for 4_pin_UART */ + +/*----------------------------------------------------------------------------+ +  | Soft Reset Register +  +----------------------------------------------------------------------------*/ +#define FPGA_RESET_REG              (FPGA_BASE_ADDR+0x7) +#define     FPGA_RESET_REG_RESET_USB20_DEV          0x80    /* Hard Reset of the GT3200 */ +#define     FPGA_RESET_REG_RESET_DISPLAY            0x40    /* Hard Reset on Display Device */ +#define     FPGA_RESET_REG_STATUS_LED_0             0x08    /* 1 = Led On */ +#define     FPGA_RESET_REG_STATUS_LED_1             0x04    /* 1 = Led On */ +#define     FPGA_RESET_REG_STATUS_LED_2             0x02    /* 1 = Led On */ +#define     FPGA_RESET_REG_STATUS_LED_3             0x01    /* 1 = Led On */ + + +/*----------------------------------------------------------------------------+ +| SDR Configuration registers ++----------------------------------------------------------------------------*/ +/* Serial Device Strap Reg 0 */ +#define SDR0_SDSTP0                  0x0020 +/* Serial Device Strap Reg 1 */ +#define SDR0_SDSTP1                  0x0021 +/* Serial Device Strap Reg 2 */ +#define SDR0_SDSTP2                  SDR0_STRP2 +/* Serial Device Strap Reg 3 */ +#define SDR0_SDSTP3                  SDR0_STRP3 + +#define sdr_pstrp0                   0x0040 + +#define   SDR0_SDSTP1_EBC_ROM_BS_MASK  0x00006000  /* EBC Boot Size Mask */ +#define   SDR0_SDSTP1_EBC_ROM_BS_32BIT 0x00004000    /* EBC 32 bits */ +#define   SDR0_SDSTP1_EBC_ROM_BS_16BIT 0x00002000    /* EBC 16 Bits */ +#define   SDR0_SDSTP1_EBC_ROM_BS_8BIT  0x00000000    /* EBC  8 Bits */ + +#define   SDR0_SDSTP1_BOOT_SEL_MASK    0x00001800   /* Boot device Selection Mask */ +#define   SDR0_SDSTP1_BOOT_SEL_EBC     0x00000000     /* EBC */ +#define   SDR0_SDSTP1_BOOT_SEL_PCI     0x00000800     /* PCI */ +#define   SDR0_SDSTP1_BOOT_SEL_NDFC    0x00001000     /* NDFC */ + +/* Serial Device Enabled - Addr = 0xA8 */ +#define SDR0_PSTRP0_BOOTSTRAP_IIC_A8_EN SDR0_PSTRP0_BOOTSTRAP_SETTINGS5 +/* Serial Device Enabled - Addr = 0xA4 */ +#define SDR0_PSTRP0_BOOTSTRAP_IIC_A4_EN SDR0_PSTRP0_BOOTSTRAP_SETTINGS7 + +/* Pin Straps Reg */ +#define SDR0_PSTRP0                  0x0040 +#define SDR0_PSTRP0_BOOTSTRAP_MASK      0xE0000000  /* Strap Bits */ + +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS0 0x00000000  /* Default strap settings 0 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS1 0x20000000  /* Default strap settings 1 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS2 0x40000000  /* Default strap settings 2 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS3 0x60000000  /* Default strap settings 3 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS4 0x80000000  /* Default strap settings 4 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS5 0xA0000000  /* Default strap settings 5 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS6 0xC0000000  /* Default strap settings 6 */ +#define SDR0_PSTRP0_BOOTSTRAP_SETTINGS7 0xE0000000  /* Default strap settings 7 */ + +/*----------------------------------------------------------------------------+ +| EBC Configuration Register - EBC0_CFG ++----------------------------------------------------------------------------*/ +/* External Bus Three-State Control */ +#define EBC0_CFG_EBTC_DRIVEN        0x80000000 +/* Device-Paced Time-out Disable */ +#define EBC0_CFG_PTD_ENABLED        0x00000000 +/* Ready Timeout Count */ +#define EBC0_CFG_RTC_MASK           0x38000000 +#define EBC0_CFG_RTC_16PERCLK       0x00000000 +#define EBC0_CFG_RTC_32PERCLK       0x08000000 +#define EBC0_CFG_RTC_64PERCLK       0x10000000 +#define EBC0_CFG_RTC_128PERCLK      0x18000000 +#define EBC0_CFG_RTC_256PERCLK      0x20000000 +#define EBC0_CFG_RTC_512PERCLK      0x28000000 +#define EBC0_CFG_RTC_1024PERCLK     0x30000000 +#define EBC0_CFG_RTC_2048PERCLK     0x38000000 +/* External Master Priority Low */ +#define EBC0_CFG_EMPL_LOW           0x00000000 +#define EBC0_CFG_EMPL_MEDIUM_LOW    0x02000000 +#define EBC0_CFG_EMPL_MEDIUM_HIGH   0x04000000 +#define EBC0_CFG_EMPL_HIGH          0x06000000 +/* External Master Priority High */ +#define EBC0_CFG_EMPH_LOW           0x00000000 +#define EBC0_CFG_EMPH_MEDIUM_LOW    0x00800000 +#define EBC0_CFG_EMPH_MEDIUM_HIGH   0x01000000 +#define EBC0_CFG_EMPH_HIGH          0x01800000 +/* Chip Select Three-State Control */ +#define EBC0_CFG_CSTC_DRIVEN        0x00400000 +/* Burst Prefetch */ +#define EBC0_CFG_BPF_ONEDW          0x00000000 +#define EBC0_CFG_BPF_TWODW          0x00100000 +#define EBC0_CFG_BPF_FOURDW         0x00200000 +/* External Master Size */ +#define EBC0_CFG_EMS_8BIT           0x00000000 +/* Power Management Enable */ +#define EBC0_CFG_PME_DISABLED       0x00000000 +#define EBC0_CFG_PME_ENABLED        0x00020000 +/* Power Management Timer */ +#define EBC0_CFG_PMT_ENCODE(n)          ((((unsigned long)(n))&0x1F)<<12) + +/*----------------------------------------------------------------------------+ +| Peripheral Bank Configuration Register - EBC0_BnCR ++----------------------------------------------------------------------------*/ +/* BAS - Base Address Select */ +#define EBC0_BNCR_BAS_ENCODE(n)         ((((unsigned long)(n))&0xFFF00000)<<0) +/* BS - Bank Size */ +#define EBC0_BNCR_BS_MASK       0x000E0000 +#define EBC0_BNCR_BS_1MB        0x00000000 +#define EBC0_BNCR_BS_2MB        0x00020000 +#define EBC0_BNCR_BS_4MB        0x00040000 +#define EBC0_BNCR_BS_8MB        0x00060000 +#define EBC0_BNCR_BS_16MB       0x00080000 +#define EBC0_BNCR_BS_32MB       0x000A0000 +#define EBC0_BNCR_BS_64MB       0x000C0000 +#define EBC0_BNCR_BS_128MB      0x000E0000 +/* BU - Bank Usage */ +#define EBC0_BNCR_BU_MASK       0x00018000 +#define EBC0_BNCR_BU_RO             0x00008000 +#define EBC0_BNCR_BU_WO             0x00010000 +#define EBC0_BNCR_BU_RW         0x00018000 +/* BW - Bus Width */ +#define EBC0_BNCR_BW_MASK       0x00006000 +#define EBC0_BNCR_BW_8BIT       0x00000000 +#define EBC0_BNCR_BW_16BIT      0x00002000 +#define EBC0_BNCR_BW_32BIT      0x00004000 + +/*----------------------------------------------------------------------------+ +| Peripheral Bank Access Parameters - EBC0_BnAP ++----------------------------------------------------------------------------*/ +/* Burst Mode Enable */ +#define EBC0_BNAP_BME_ENABLED       0x80000000 +#define EBC0_BNAP_BME_DISABLED      0x00000000 +/* Transfert Wait */ +#define EBC0_BNAP_TWT_ENCODE(n)     ((((unsigned long)(n))&0xFF)<<23)   /* Bits 1:8 */ +/* Chip Select On Timing */ +#define EBC0_BNAP_CSN_ENCODE(n)     ((((unsigned long)(n))&0x3)<<18)    /* Bits 12:13 */ +/* Output Enable On Timing */ +#define EBC0_BNAP_OEN_ENCODE(n)     ((((unsigned long)(n))&0x3)<<16)    /* Bits 14:15 */ +/* Write Back Enable On Timing */ +#define EBC0_BNAP_WBN_ENCODE(n)     ((((unsigned long)(n))&0x3)<<14)    /* Bits 16:17 */ +/* Write Back Enable Off Timing */ +#define EBC0_BNAP_WBF_ENCODE(n)     ((((unsigned long)(n))&0x3)<<12)    /* Bits 18:19 */ +/* Transfert Hold */ +#define EBC0_BNAP_TH_ENCODE(n)      ((((unsigned long)(n))&0x7)<<9)     /* Bits 20:22 */ +/* PerReady Enable */ +#define EBC0_BNAP_RE_ENABLED        0x00000100 +#define EBC0_BNAP_RE_DISABLED       0x00000000 +/* Sample On Ready */ +#define EBC0_BNAP_SOR_DELAYED       0x00000000 +#define EBC0_BNAP_SOR_NOT_DELAYED   0x00000080 +/* Byte Enable Mode */ +#define EBC0_BNAP_BEM_WRITEONLY     0x00000000 +#define EBC0_BNAP_BEM_RW            0x00000040 +/* Parity Enable */ +#define EBC0_BNAP_PEN_DISABLED      0x00000000 +#define EBC0_BNAP_PEN_ENABLED       0x00000020 + +/*----------------------------------------------------------------------------+ +| Define Boot devices ++----------------------------------------------------------------------------*/ +/* */ +#define BOOT_FROM_SMALL_FLASH           0x00 +#define BOOT_FROM_LARGE_FLASH_OR_SRAM   0x01 +#define BOOT_FROM_NAND_FLASH0           0x02 +#define BOOT_FROM_PCI                   0x03 +#define BOOT_DEVICE_UNKNOWN             0x04 + + +#define  PVR_POWERPC_440EP_PASS1    0x42221850 +#define  PVR_POWERPC_440EP_PASS2    0x422218D3 + +#define TRUE 1 +#define FALSE 0 + +#define GPIO_GROUP_MAX      2 +#define GPIO_MAX            32 +#define GPIO_ALT1_SEL       0x40000000      /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 0 */ +#define GPIO_ALT2_SEL       0x80000000      /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 1 */ +#define GPIO_ALT3_SEL       0xC0000000      /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 2 */ +#define GPIO_MASK           0xC0000000      /* GPIO_MASK */ +#define GPIO_IN_SEL         0x40000000      /* GPIO_IN value put in GPIO_ISx for the GPIO nb 0 */ +                                            /* For the other GPIO number, you must shift */ + +#define GPIO0           0 +#define GPIO1           1 + + +/*#define MAX_SELECTION_NB      CORE_NB */ +#define MAX_CORE_SELECT_NB      22 + +/*----------------------------------------------------------------------------+ +  | PPC440EP GPIOs addresses. +  +----------------------------------------------------------------------------*/ +#define GPIO0_BASE       0xEF600B00 +#define GPIO0_REAL       0xEF600B00 + +#define GPIO1_BASE       0xEF600C00 +#define GPIO1_REAL       0xEF600C00 + +/* Offsets */ +#define GPIOx_OR    0x00        /* GPIO Output Register */ +#define GPIOx_TCR   0x04        /* GPIO Three-State Control Register */ +#define GPIOx_OSL   0x08        /* GPIO Output Select Register (Bits 0-31) */ +#define GPIOx_OSH   0x0C        /* GPIO Ouput Select Register (Bits 32-63) */ +#define GPIOx_TSL   0x10        /* GPIO Three-State Select Register (Bits 0-31) */ +#define GPIOx_TSH   0x14        /* GPIO Three-State Select Register  (Bits 32-63) */ +#define GPIOx_ODR   0x18        /* GPIO Open drain Register */ +#define GPIOx_IR    0x1C        /* GPIO Input Register */ +#define GPIOx_RR1   0x20        /* GPIO Receive Register 1 */ +#define GPIOx_RR2   0x24        /* GPIO Receive Register 2 */ +#define GPIOx_RR3   0x28        /* GPIO Receive Register 3 */ +#define GPIOx_IS1L  0x30        /* GPIO Input Select Register 1 (Bits 0-31) */ +#define GPIOx_IS1H  0x34        /* GPIO Input Select Register 1 (Bits 32-63) */ +#define GPIOx_IS2L  0x38        /* GPIO Input Select Register 2 (Bits 0-31) */ +#define GPIOx_IS2H  0x3C        /* GPIO Input Select Register 2 (Bits 32-63) */ +#define GPIOx_IS3L  0x40        /* GPIO Input Select Register 3 (Bits 0-31) */ +#define GPIOx_IS3H  0x44        /* GPIO Input Select Register 3 (Bits 32-63) */ + +/* GPIO0 */ +#define GPIO0_IS1L      (GPIO0_BASE+GPIOx_IS1L) +#define GPIO0_IS1H      (GPIO0_BASE+GPIOx_IS1H) +#define GPIO0_IS2L      (GPIO0_BASE+GPIOx_IS2L) +#define GPIO0_IS2H      (GPIO0_BASE+GPIOx_IS2H) +#define GPIO0_IS3L      (GPIO0_BASE+GPIOx_IS3L) +#define GPIO0_IS3H      (GPIO0_BASE+GPIOx_IS3L) + +/* GPIO1 */ +#define GPIO1_IS1L      (GPIO1_BASE+GPIOx_IS1L) +#define GPIO1_IS1H      (GPIO1_BASE+GPIOx_IS1H) +#define GPIO1_IS2L      (GPIO1_BASE+GPIOx_IS2L) +#define GPIO1_IS2H      (GPIO1_BASE+GPIOx_IS2H) +#define GPIO1_IS3L      (GPIO1_BASE+GPIOx_IS3L) +#define GPIO1_IS3H      (GPIO1_BASE+GPIOx_IS3L) + +#define GPIO_OS(x)      (x+GPIOx_OSL)    /* GPIO Output Register High or Low */ +#define GPIO_TS(x)      (x+GPIOx_TSL)    /* GPIO Three-state Control Reg High or Low */ +#define GPIO_IS1(x)     (x+GPIOx_IS1L)   /* GPIO Input register1 High or Low */ +#define GPIO_IS2(x)     (x+GPIOx_IS2L)   /* GPIO Input register2 High or Low */ +#define GPIO_IS3(x)     (x+GPIOx_IS3L)   /* GPIO Input register3 High or Low */ + + +/*----------------------------------------------------------------------------+ +  | Declare Configuration values +  +----------------------------------------------------------------------------*/ +typedef enum gpio_select { GPIO_SEL, GPIO_ALT1, GPIO_ALT2, GPIO_ALT3 } gpio_select_t; +typedef enum gpio_driver { GPIO_DIS, GPIO_IN, GPIO_OUT, GPIO_BI } gpio_driver_t; + +typedef struct { unsigned long  add;    /* gpio core base address */ +	gpio_driver_t  in_out; /* Driver Setting */ +	gpio_select_t  alt_nb; /* Selected Alternate */ +} gpio_param_s; + +/*----------------------------------------------------------------------------+ +  |                     XX     XX +  | +  | XXXXXX   XXX XX    XXX    XXX +  |    XX    XX X XX    XX     XX +  |   XX     XX X XX    XX     XX +  |  XX      XX   XX    XX     XX +  | XXXXXX   XXX  XXX  XXXX   XXXX +  +----------------------------------------------------------------------------*/ +/*----------------------------------------------------------------------------+ +  | Defines +  +----------------------------------------------------------------------------*/ +typedef enum zmii_config { ZMII_CONFIGURATION_UNKNOWN, +                           ZMII_CONFIGURATION_IS_MII, +                           ZMII_CONFIGURATION_IS_RMII, +                           ZMII_CONFIGURATION_IS_SMII +} zmii_config_t; + +/*----------------------------------------------------------------------------+ +  | Declare Configuration values +  +----------------------------------------------------------------------------*/ +typedef enum uart_config_nb { L1, L2, L3, L4 } uart_config_nb_t; +typedef enum core_selection { CORE_NOT_SELECTED, CORE_SELECTED} core_selection_t; +typedef enum config_list {  IIC_CORE, +                            SCP_CORE, +                            DMA_CHANNEL_AB, +                            UIC_4_9, +                            USB2_HOST, +                            DMA_CHANNEL_CD, +                            USB2_DEVICE, +                            PACKET_REJ_FUNC_AVAIL, +                            USB1_DEVICE, +                            EBC_MASTER, +                            NAND_FLASH, +                            UART_CORE0, +                            UART_CORE1, +                            UART_CORE2, +                            UART_CORE3, +                            MII_SEL, +                            RMII_SEL, +                            SMII_SEL, +                            PACKET_REJ_FUNC_EN, +                            UIC_0_3, +                            USB1_HOST, +                            PCI_PATCH, +                            CORE_NB +} core_list_t; + +typedef enum block3_value { B3_V1,  B3_V2,  B3_V3,  B3_V4,  B3_V5, +                            B3_V6,  B3_V7,  B3_V8,  B3_V9,  B3_V10, +                            B3_V11, B3_V12, B3_V13, B3_V14, B3_V15, +                            B3_V16, B3_VALUE_UNKNOWN +} block3_value_t; + +typedef enum config_validity { CONFIG_IS_VALID, +                               CONFIG_IS_INVALID +} config_validity_t; diff --git a/board/amcc/bamboo/config.mk b/board/amcc/bamboo/config.mk index 4ab0ea008..35cb65584 100644 --- a/board/amcc/bamboo/config.mk +++ b/board/amcc/bamboo/config.mk @@ -21,17 +21,7 @@  # MA 02111-1307 USA  # -# -# esd ADCIOP boards -# - -#TEXT_BASE = 0x00001000 - -ifeq ($(ramsym),1) -TEXT_BASE = 0xFBD00000 -else  TEXT_BASE = 0xFFF80000 -endif  PLATFORM_CPPFLAGS += -DCONFIG_440=1 diff --git a/board/amcc/bamboo/flash.c b/board/amcc/bamboo/flash.c new file mode 100644 index 000000000..97a4b988d --- /dev/null +++ b/board/amcc/bamboo/flash.c @@ -0,0 +1,166 @@ +/* + * (C) Copyright 2004-2005 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2002 Jun Gu <jung@artesyncp.com> + * Add support for Am29F016D and dynamic switch setting. + * + * 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 + */ + +/* + * Modified 4/5/2001 + * Wait for completion of each sector erase command issued + * 4/5/2001 + * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com + */ + +#include <common.h> +#include <ppc4xx.h> +#include <asm/processor.h> +#include <ppc440.h> +#include "bamboo.h" + +#undef DEBUG + +#ifdef DEBUG +#define DEBUGF(x...) printf(x) +#else +#define DEBUGF(x...) +#endif				/* DEBUG */ + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS];	/* info for FLASH chips        */ + +/* + * Mark big flash bank (16 bit instead of 8 bit access) in address with bit 0 + */ +static unsigned long flash_addr_table[8][CFG_MAX_FLASH_BANKS] = { +	{0x87800001, 0xFFF00000, 0xFFF80000}, /* 0:boot from small flash */ +	{0x00000000, 0x00000000, 0x00000000}, /* 1:boot from pci 66      */ +	{0x00000000, 0x00000000, 0x00000000}, /* 2:boot from nand flash  */ +	{0x87800000, 0x87880000, 0xFF800001}, /* 3:boot from big flash 33*/ +	{0x87800000, 0x87880000, 0xFF800001}, /* 4:boot from big flash 66*/ +	{0x00000000, 0x00000000, 0x00000000}, /* 5:boot from             */ +	{0x00000000, 0x00000000, 0x00000000}, /* 6:boot from pci 66      */ +	{0x00000000, 0x00000000, 0x00000000}, /* 7:boot from             */ +}; + +/* + * include common flash code (for amcc boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size(vu_long * addr, flash_info_t * info); +static int write_word(flash_info_t * info, ulong dest, ulong data); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init(void) +{ +	unsigned long total_b = 0; +	unsigned long size_b[CFG_MAX_FLASH_BANKS]; +	unsigned short index = 0; +	int i; +	unsigned long val; +	unsigned long ebc_boot_size; +	unsigned long boot_selection; + +	mfsdr(sdr_pstrp0, val); +	index = (val & SDR0_PSTRP0_BOOTSTRAP_MASK) >> 29; + +	if ((index == 5) || (index == 7)) { +		/* +		 * Boot Settings in IIC EEprom address 0xA8 or 0xA4 +		 * Read Serial Device Strap Register1 in PPC440EP +		 */ +		mfsdr(sdr_sdstp1, val); +		boot_selection  = val & SDR0_SDSTP1_BOOT_SEL_MASK; +		ebc_boot_size   = val & SDR0_SDSTP1_EBC_ROM_BS_MASK; + +		switch(boot_selection) { +		case SDR0_SDSTP1_BOOT_SEL_EBC: +			switch(ebc_boot_size) { +			case SDR0_SDSTP1_EBC_ROM_BS_16BIT: +				index = 3; +				break; +			case SDR0_SDSTP1_EBC_ROM_BS_8BIT: +				index = 0; +				break; +			} +			break; + +		case SDR0_SDSTP1_BOOT_SEL_PCI: +			index = 1; +			break; + +		case SDR0_SDSTP1_BOOT_SEL_NDFC: +			index = 2; +			break; +		} +	} + +	DEBUGF("\n"); +	DEBUGF("FLASH: Index: %d\n", index); + +	/* Init: no FLASHes known */ +	for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) { +		flash_info[i].flash_id = FLASH_UNKNOWN; +		flash_info[i].sector_count = -1; +		flash_info[i].size = 0; + +		/* check whether the address is 0 */ +		if (flash_addr_table[index][i] == 0) { +			continue; +		} + +		/* call flash_get_size() to initialize sector address */ +		size_b[i] = flash_get_size((vu_long *) flash_addr_table[index][i], +				   &flash_info[i]); +		flash_info[i].size = size_b[i]; +		if (flash_info[i].flash_id == FLASH_UNKNOWN) { +			printf("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n", +			       i, size_b[i], size_b[i] << 20); +			flash_info[i].sector_count = -1; +			flash_info[i].size = 0; +		} + +		/* Monitor protection ON by default */ +		(void)flash_protect(FLAG_PROTECT_SET, CFG_MONITOR_BASE, +				    CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1, +				    &flash_info[i]); +#if defined(CFG_ENV_IS_IN_FLASH) +		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR, +				    CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1, +				    &flash_info[i]); +#if defined(CFG_ENV_IS_IN_FLASH) && defined(CFG_ENV_ADDR_REDUND) +		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND, +				    CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1, +				    &flash_info[i]); +#endif +#endif + +		total_b += flash_info[i].size; +	} + +	return total_b; +} diff --git a/board/amcc/bamboo/init.S b/board/amcc/bamboo/init.S index 7ba43c7b0..907029345 100644 --- a/board/amcc/bamboo/init.S +++ b/board/amcc/bamboo/init.S @@ -93,7 +93,7 @@ tlbtab:      tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/)      tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )      tlbentry( CFG_PCI_BASE, SZ_256M, 0xE0000000, 0, AC_R|AC_W|SA_G|SA_I ) -    tlbentry( CFG_NVRAM_BASE_ADDR, SZ_16K, 0x80000000, 0, AC_R|AC_W|AC_X|SA_W|SA_I ) +    tlbentry( CFG_NVRAM_BASE_ADDR, SZ_256M, 0x80000000, 0, AC_R|AC_W|AC_X|SA_W|SA_I )      /* PCI */      tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I ) diff --git a/board/amcc/bamboo/u-boot.lds b/board/amcc/bamboo/u-boot.lds index a4016d540..c978dbafe 100644 --- a/board/amcc/bamboo/u-boot.lds +++ b/board/amcc/bamboo/u-boot.lds @@ -74,7 +74,7 @@ SECTIONS      cpu/ppc4xx/serial.o	(.text)      cpu/ppc4xx/cpu_init.o	(.text)      cpu/ppc4xx/speed.o	(.text) -    cpu/ppc4xx/405gp_enet.o	(.text) +    cpu/ppc4xx/440gx_enet.o	(.text)      common/dlmalloc.o	(.text)      lib_generic/crc32.o		(.text)      lib_ppc/extable.o	(.text) @@ -150,6 +150,9 @@ SECTIONS     *(.bss)     *(COMMON)    } + +  ppcenv_assert = ASSERT(. < 0xFFFF8000, ".bss section too big, overlaps .ppcenv section. Please update your confguration: CFG_MONITOR_BASE, CFG_MONITOR_LEN and TEXT_BASE may need to be modified."); +    _end = . ;    PROVIDE (end = .);  } diff --git a/board/amcc/common/flash.c b/board/amcc/common/flash.c index 7311c4edd..3a50b095c 100644 --- a/board/amcc/common/flash.c +++ b/board/amcc/common/flash.c @@ -41,6 +41,14 @@ flash_info_t flash_info[CFG_MAX_FLASH_BANKS];	/* info for FLASH chips        */   * Functions   */  static int write_word(flash_info_t * info, ulong dest, ulong data); +#ifdef CFG_FLASH_2ND_16BIT_DEV +static int write_word_1(flash_info_t * info, ulong dest, ulong data); +static int write_word_2(flash_info_t * info, ulong dest, ulong data); +static int flash_erase_1(flash_info_t * info, int s_first, int s_last); +static int flash_erase_2(flash_info_t * info, int s_first, int s_last); +static ulong flash_get_size_1(vu_long * addr, flash_info_t * info); +static ulong flash_get_size_2(vu_long * addr, flash_info_t * info); +#endif  void flash_print_info(flash_info_t * info)  { @@ -113,6 +121,9 @@ void flash_print_info(flash_info_t * info)  	case FLASH_SST160A:  		printf("SST39LF/VF160 (16 Mbit, uniform sector size)\n");  		break; +	case FLASH_STMW320DT: +		printf ("M29W320DT (32 M, top sector)\n"); +		break;  	default:  		printf("Unknown Chip Type\n");  		break; @@ -154,8 +165,22 @@ void flash_print_info(flash_info_t * info)  /*   * The following code cannot be run from FLASH!   */ +#ifdef CFG_FLASH_2ND_16BIT_DEV  static ulong flash_get_size(vu_long * addr, flash_info_t * info)  { +	/* bit 0 used for big flash marking */ +	if ((ulong)addr & 0x1) { +		return flash_get_size_2((vu_long *)((ulong)addr & 0xfffffffe), info); +	} else { +		return flash_get_size_1(addr, info); +	} +} + +static ulong flash_get_size_1(vu_long * addr, flash_info_t * info) +#else +static ulong flash_get_size(vu_long * addr, flash_info_t * info) +#endif +{  	short i;  	CFG_FLASH_WORD_SIZE value;  	ulong base = (ulong) addr; @@ -193,7 +218,6 @@ static ulong flash_get_size(vu_long * addr, flash_info_t * info)  	}  	value = addr2[1];	/* device ID            */ -  	DEBUGF("\nFLASH DEVICEID: %x\n", value);  	switch (value) { @@ -323,7 +347,7 @@ static ulong flash_get_size(vu_long * addr, flash_info_t * info)  	return (info->size);  } -int wait_for_DQ7(flash_info_t * info, int sect) +static int wait_for_DQ7_1(flash_info_t * info, int sect)  {  	ulong start, now, last;  	volatile CFG_FLASH_WORD_SIZE *addr = @@ -346,7 +370,22 @@ int wait_for_DQ7(flash_info_t * info, int sect)  	return 0;  } +#ifdef CFG_FLASH_2ND_16BIT_DEV +int flash_erase(flash_info_t * info, int s_first, int s_last) +{ +	if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || +	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || +	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) { +		return flash_erase_2(info, s_first, s_last); +	} else { +		return flash_erase_1(info, s_first, s_last); +	} +} + +static int flash_erase_1(flash_info_t * info, int s_first, int s_last) +#else  int flash_erase(flash_info_t * info, int s_first, int s_last) +#endif  {  	volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]);  	volatile CFG_FLASH_WORD_SIZE *addr2; @@ -416,7 +455,7 @@ int flash_erase(flash_info_t * info, int s_first, int s_last)  			 * timeout.  This has been seen to fail, especially  			 * if printf()s are included (for debug)!!  			 */ -			wait_for_DQ7(info, sect); +			wait_for_DQ7_1(info, sect);  		}  	} @@ -506,12 +545,334 @@ int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)  }  /*----------------------------------------------------------------------- - * Write a word to Flash, returns: + * Copy memory to flash, returns:   * 0 - OK   * 1 - write timeout   * 2 - Flash not erased   */ +#ifdef CFG_FLASH_2ND_16BIT_DEV +static int write_word(flash_info_t * info, ulong dest, ulong data) +{ +	if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || +	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || +	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) { +		return write_word_2(info, dest, data); +	} else { +		return write_word_1(info, dest, data); +	} +} + +static int write_word_1(flash_info_t * info, ulong dest, ulong data) +#else  static int write_word(flash_info_t * info, ulong dest, ulong data) +#endif +{ +	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]); +	volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest; +	volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) & data; +	ulong start; +	int i; + +	/* Check if Flash is (sufficiently) erased */ +	if ((*((vu_long *)dest) & data) != data) { +		return (2); +	} + +	for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) { +		int flag; + +		/* Disable interrupts which might cause a timeout here */ +		flag = disable_interrupts(); + +		addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; +		addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; +		addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00A000A0; + +		dest2[i] = data2[i]; + +		/* re-enable interrupts if necessary */ +		if (flag) +			enable_interrupts(); + +		/* data polling for D7 */ +		start = get_timer(0); +		while ((dest2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080) != +		       (data2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080)) { + +			if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { +				return (1); +			} +		} +	} + +	return (0); +} + +#ifdef CFG_FLASH_2ND_16BIT_DEV + +#undef  CFG_FLASH_WORD_SIZE +#define CFG_FLASH_WORD_SIZE unsigned short + +/* + * The following code cannot be run from FLASH! + */ +static ulong flash_get_size_2(vu_long * addr, flash_info_t * info) +{ +	short i; +	int n; +	CFG_FLASH_WORD_SIZE value; +	ulong base = (ulong) addr; +	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr; + +	DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr); + +	/* Write auto select command: read Manufacturer ID */ +	addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; +	addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; +	addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00900090; +	udelay(1000); + +	value = addr2[0]; +	DEBUGF("FLASH MANUFACT: %x\n", value); + +	switch (value) { +	case (CFG_FLASH_WORD_SIZE) AMD_MANUFACT: +		info->flash_id = FLASH_MAN_AMD; +		break; +	case (CFG_FLASH_WORD_SIZE) FUJ_MANUFACT: +		info->flash_id = FLASH_MAN_FUJ; +		break; +	case (CFG_FLASH_WORD_SIZE) SST_MANUFACT: +		info->flash_id = FLASH_MAN_SST; +		break; +	case (CFG_FLASH_WORD_SIZE) STM_MANUFACT: +		info->flash_id = FLASH_MAN_STM; +		break; +	default: +		info->flash_id = FLASH_UNKNOWN; +		info->sector_count = 0; +		info->size = 0; +		return (0);	/* no or unknown flash  */ +	} + +	value = addr2[1];	/* device ID            */ + +	DEBUGF("\nFLASH DEVICEID: %x\n", value); + +	switch (value) { + +	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320T: +		info->flash_id += FLASH_AM320T; +		info->sector_count = 71; +		info->size = 0x00400000;  break;	/* => 4 MB	*/ + +	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320B: +		info->flash_id += FLASH_AM320B; +		info->sector_count = 71; +		info->size = 0x00400000;  break;	/* => 4 MB	*/ + +	case (CFG_FLASH_WORD_SIZE)STM_ID_29W320DT: +		info->flash_id += FLASH_STMW320DT; +		info->sector_count = 67; +		info->size = 0x00400000;  break;	/* => 4 MB	*/ + +	default: +		info->flash_id = FLASH_UNKNOWN; +		return (0);	/* => no or unknown flash */ +	} + +	/* set up sector start address table */ +	if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || +	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) || +	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) { +		for (i = 0; i < info->sector_count; i++) +			info->start[i] = base + (i * 0x00010000); +	} else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) { +		/* set sector offsets for top boot block type		*/ +		base += info->size; +		i = info->sector_count; +		/*  1 x 16k boot sector */ +		base -= 16 << 10; +		--i; +		info->start[i] = base; +		/*  2 x 8k  boot sectors */ +		for (n=0; n<2; ++n) { +			base -= 8 << 10; +			--i; +			info->start[i] = base; +		} +		/*  1 x 32k boot sector */ +		base -= 32 << 10; +		--i; +		info->start[i] = base; + +		while (i > 0) {			/* 64k regular sectors	*/ +			base -= 64 << 10; +			--i; +			info->start[i] = base; +		} +	} else { +		if (info->flash_id & FLASH_BTYPE) { +			/* set sector offsets for bottom boot block type        */ +			info->start[0] = base + 0x00000000; +			info->start[1] = base + 0x00004000; +			info->start[2] = base + 0x00006000; +			info->start[3] = base + 0x00008000; +			for (i = 4; i < info->sector_count; i++) { +				info->start[i] = +				    base + (i * 0x00010000) - 0x00030000; +			} +		} else { +			/* set sector offsets for top boot block type           */ +			i = info->sector_count - 1; +			info->start[i--] = base + info->size - 0x00004000; +			info->start[i--] = base + info->size - 0x00006000; +			info->start[i--] = base + info->size - 0x00008000; +			for (; i >= 0; i--) { +				info->start[i] = base + i * 0x00010000; +			} +		} +	} + +	/* check for protected sectors */ +	for (i = 0; i < info->sector_count; i++) { +		/* read sector protection at sector address, (A7 .. A0) = 0x02 */ +		/* D0 = 1 if protected */ +		addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]); + +		/* For AMD29033C flash we need to resend the command of * +		 * reading flash protection for upper 8 Mb of flash     */ +		if (i == 32) { +			addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; +			addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; +			addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090; +		} + +		if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) +			info->protect[i] = 0; +		else +			info->protect[i] = addr2[2] & 1; +	} + +	/* issue bank reset to return to read mode */ +	addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0; + +	return (info->size); +} + +static int wait_for_DQ7_2(flash_info_t * info, int sect) +{ +	ulong start, now, last; +	volatile CFG_FLASH_WORD_SIZE *addr = +	    (CFG_FLASH_WORD_SIZE *) (info->start[sect]); + +	start = get_timer(0); +	last = start; +	while ((addr[0] & (CFG_FLASH_WORD_SIZE) 0x00800080) != +	       (CFG_FLASH_WORD_SIZE) 0x00800080) { +		if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { +			printf("Timeout\n"); +			return -1; +		} +		/* show that we're waiting */ +		if ((now - last) > 1000) {	/* every second */ +			putc('.'); +			last = now; +		} +	} +	return 0; +} + +static int flash_erase_2(flash_info_t * info, int s_first, int s_last) +{ +	volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]); +	volatile CFG_FLASH_WORD_SIZE *addr2; +	int flag, prot, sect, l_sect; +	int i; + +	if ((s_first < 0) || (s_first > s_last)) { +		if (info->flash_id == FLASH_UNKNOWN) { +			printf("- missing\n"); +		} else { +			printf("- no sectors to erase\n"); +		} +		return 1; +	} + +	if (info->flash_id == FLASH_UNKNOWN) { +		printf("Can't erase unknown flash type - aborted\n"); +		return 1; +	} + +	prot = 0; +	for (sect = s_first; sect <= s_last; ++sect) { +		if (info->protect[sect]) { +			prot++; +		} +	} + +	if (prot) { +		printf("- Warning: %d protected sectors will not be erased!\n", +		       prot); +	} else { +		printf("\n"); +	} + +	l_sect = -1; + +	/* Disable interrupts which might cause a timeout here */ +	flag = disable_interrupts(); + +	/* Start erase on unprotected sectors */ +	for (sect = s_first; sect <= s_last; sect++) { +		if (info->protect[sect] == 0) {	/* not protected */ +			addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]); + +			if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { +				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; +				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; +				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080; +				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; +				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; +				addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00500050;	/* block erase */ +				for (i = 0; i < 50; i++) +					udelay(1000);	/* wait 1 ms */ +			} else { +				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; +				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; +				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080; +				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; +				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; +				addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00300030;	/* sector erase */ +			} +			l_sect = sect; +			/* +			 * Wait for each sector to complete, it's more +			 * reliable.  According to AMD Spec, you must +			 * issue all erase commands within a specified +			 * timeout.  This has been seen to fail, especially +			 * if printf()s are included (for debug)!! +			 */ +			wait_for_DQ7_2(info, sect); +		} +	} + +	/* re-enable interrupts if necessary */ +	if (flag) +		enable_interrupts(); + +	/* wait at least 80us - let's wait 1 ms */ +	udelay(1000); + +	/* reset to read mode */ +	addr = (CFG_FLASH_WORD_SIZE *) info->start[0]; +	addr[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0;	/* reset bank */ + +	printf(" done\n"); +	return 0; +} + +static int write_word_2(flash_info_t * info, ulong dest, ulong data)  {  	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]);  	volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest; @@ -553,3 +914,4 @@ static int write_word(flash_info_t * info, ulong dest, ulong data)  	return (0);  } +#endif /* CFG_FLASH_2ND_16BIT_DEV */ |