From d21686263574e95cb3e9e9b0496f968b1b897fdb Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Thu, 19 Apr 2007 09:53:52 +0200 Subject: ppc4xx: Fix chip select timing for SysACE access on AMCC Katmai Previous versions used full wait states for the chip select #1 which is connected to the Xilinix SystemACE controller on the AMCC Katmai evaluation board. This leads to really slow access and therefore low performance. This patch now sets up the chip select a lot faster resulting in much better read/write performance of the Linux driver. Signed-off-by: Stefan Roese --- include/configs/katmai.h | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/configs/katmai.h b/include/configs/katmai.h index 7f55366..cc47a16 100644 --- a/include/configs/katmai.h +++ b/include/configs/katmai.h @@ -360,7 +360,19 @@ EBC_BXCR_BW_16BIT) /* Memory Bank 1 (Xilinx System ACE controller) initialization */ -#define CFG_EBC_PB1AP 0x7F8FFE80 +#define CFG_EBC_PB1AP (EBC_BXAP_BME_DISABLED | \ + EBC_BXAP_TWT_ENCODE(4) | \ + EBC_BXAP_BCE_DISABLE | \ + EBC_BXAP_BCT_2TRANS | \ + EBC_BXAP_CSN_ENCODE(0) | \ + EBC_BXAP_OEN_ENCODE(0) | \ + EBC_BXAP_WBN_ENCODE(0) | \ + EBC_BXAP_WBF_ENCODE(0) | \ + EBC_BXAP_TH_ENCODE(0) | \ + EBC_BXAP_RE_DISABLED | \ + EBC_BXAP_SOR_NONDELAYED | \ + EBC_BXAP_BEM_WRITEONLY | \ + EBC_BXAP_PEN_DISABLED) #define CFG_EBC_PB1CR (EBC_BXCR_BAS_ENCODE(CFG_ACE_BASE) | \ EBC_BXCR_BS_1MB | \ EBC_BXCR_BU_RW | \ -- cgit v1.1 From 8b39501d28754e72726ce7fb02310e56dbdf116a Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Sun, 29 Apr 2007 14:13:01 +0200 Subject: ppc4xx: Bamboo: Use current NAND driver and *not* the legacy driver Signed-off-by: Stefan Roese --- include/configs/bamboo.h | 67 +++++------------------------------------------- 1 file changed, 7 insertions(+), 60 deletions(-) (limited to 'include') diff --git a/include/configs/bamboo.h b/include/configs/bamboo.h index bcc736c..db58a9f 100644 --- a/include/configs/bamboo.h +++ b/include/configs/bamboo.h @@ -1,5 +1,5 @@ /* - * (C) Copyright 2005-2006 + * (C) Copyright 2005-2007 * Stefan Roese, DENX Software Engineering, sr@denx.de. * * See file CREDITS for list of people who contributed to this @@ -43,7 +43,6 @@ * 2nd ethernet port you have to "undef" the following define. */ #define CONFIG_BAMBOO_NAND 1 /* enable nand flash support */ -#define CFG_NAND_LEGACY /*----------------------------------------------------------------------- * Base addresses -- Note these are effective addresses where the @@ -143,65 +142,13 @@ #endif /* CFG_ENV_IS_IN_FLASH */ /*----------------------------------------------------------------------- - * NAND-FLASH related + * NAND FLASH *----------------------------------------------------------------------*/ -#define NAND_CMD_REG (0x00) /* NandFlash Command Register */ -#define NAND_ADDR_REG (0x04) /* NandFlash Address Register */ -#define NAND_DATA_REG (0x08) /* NandFlash Data Register */ -#define NAND_ECC0_REG (0x10) /* NandFlash ECC Register0 */ -#define NAND_ECC1_REG (0x14) /* NandFlash ECC Register1 */ -#define NAND_ECC2_REG (0x18) /* NandFlash ECC Register2 */ -#define NAND_ECC3_REG (0x1C) /* NandFlash ECC Register3 */ -#define NAND_ECC4_REG (0x20) /* NandFlash ECC Register4 */ -#define NAND_ECC5_REG (0x24) /* NandFlash ECC Register5 */ -#define NAND_ECC6_REG (0x28) /* NandFlash ECC Register6 */ -#define NAND_ECC7_REG (0x2C) /* NandFlash ECC Register7 */ -#define NAND_CR0_REG (0x30) /* NandFlash Device Bank0 Config Register */ -#define NAND_CR1_REG (0x34) /* NandFlash Device Bank1 Config Register */ -#define NAND_CR2_REG (0x38) /* NandFlash Device Bank2 Config Register */ -#define NAND_CR3_REG (0x3C) /* NandFlash Device Bank3 Config Register */ -#define NAND_CCR_REG (0x40) /* NandFlash Core Configuration Register */ -#define NAND_STAT_REG (0x44) /* NandFlash Device Status Register */ -#define NAND_HWCTL_REG (0x48) /* NandFlash Direct Hwd Control Register */ -#define NAND_REVID_REG (0x50) /* NandFlash Core Revision Id Register */ - -/* Nand Flash K9F1208U0A Command Set => Nand Flash 0 */ -#define NAND0_CMD_READ1_HALF1 0x00 /* Starting addr for 1rst half of registers */ -#define NAND0_CMD_READ1_HALF2 0x01 /* Starting addr for 2nd half of registers */ -#define NAND0_CMD_READ2 0x50 -#define NAND0_CMD_READ_ID 0x90 -#define NAND0_CMD_READ_STATUS 0x70 -#define NAND0_CMD_RESET 0xFF -#define NAND0_CMD_PAGE_PROG 0x80 -#define NAND0_CMD_PAGE_PROG_TRUE 0x10 -#define NAND0_CMD_PAGE_PROG_DUMMY 0x11 -#define NAND0_CMD_BLOCK_ERASE 0x60 -#define NAND0_CMD_BLOCK_ERASE_END 0xD0 - -#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ -#define SECTORSIZE 512 - -#define ADDR_COLUMN 1 -#define ADDR_PAGE 2 -#define ADDR_COLUMN_PAGE 3 - -#define NAND_ChipID_UNKNOWN 0x00 -#define NAND_MAX_FLOORS 1 -#define NAND_MAX_CHIPS 1 - -#define WRITE_NAND_COMMAND(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_CMD_REG) = d;} while(0) -#define WRITE_NAND_ADDRESS(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_ADDR_REG) = d;} while(0) -#define WRITE_NAND(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_DATA_REG) = d;} while(0) -#define READ_NAND(adr) (*(volatile u8 *)((ulong)adr+NAND_DATA_REG)) -#define NAND_WAIT_READY(nand) while (!(*(volatile u8 *)((ulong)nand->IO_ADDR+NAND_STAT_REG) & 0x01)) - -/* not needed with 440EP NAND controller */ -#define NAND_CTL_CLRALE(nandptr) -#define NAND_CTL_SETALE(nandptr) -#define NAND_CTL_CLRCLE(nandptr) -#define NAND_CTL_SETCLE(nandptr) -#define NAND_DISABLE_CE(nand) -#define NAND_ENABLE_CE(nand) +#define CFG_MAX_NAND_DEVICE 1 +#define NAND_MAX_CHIPS 1 +#define CFG_NAND_CS 1 +#define CFG_NAND_BASE (CFG_NAND_ADDR + CFG_NAND_CS) +#define CFG_NAND_SELECT_DEVICE 1 /* nand driver supports mutipl. chips */ /*----------------------------------------------------------------------- * DDR SDRAM -- cgit v1.1 From e3b8c78bc2489c27ae020986ef0eaca684866cef Mon Sep 17 00:00:00 2001 From: Jeffrey Mann Date: Sat, 5 May 2007 08:32:14 +0200 Subject: ppc4xx: Detect if the sysclk on Sequoia is 33 or 33.333 MHz The AMCC Secquoia board has been changed in a new revision from using a 33.000 MHz clock to a 33.333 MHz system clock. A bit in the CPLD indicates the difference. This patch reads that bit and uses the correct clock speed for the board. This code is backward compatable will all prior boards. All prior boards will be read as 33.000. Signed-off-by: Jeffrey Mann Signed-off-by: Stefan Roese --- include/configs/sequoia.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/configs/sequoia.h b/include/configs/sequoia.h index 1f19621..b7f79c2 100644 --- a/include/configs/sequoia.h +++ b/include/configs/sequoia.h @@ -38,7 +38,9 @@ #define CONFIG_440GRX 1 /* Specific PPC440GRx */ #endif #define CONFIG_4xx 1 /* ... PPC4xx family */ -#define CONFIG_SYS_CLK_FREQ 33000000 /* external freq to pll */ +/* Detect Sequoia PLL input clock automatically via CPLD bit */ +#define CONFIG_SYS_CLK_FREQ ((in8(CFG_BCSR_BASE + 3) & 0x80) ? \ + 3333333 : 33000000) #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */ #define CONFIG_MISC_INIT_R 1 /* Call misc_init_r */ -- cgit v1.1