diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Makefile | 2 | ||||
| -rw-r--r-- | common/cmd_bootm.c | 28 | ||||
| -rw-r--r-- | common/cmd_nand.c | 114 | ||||
| -rw-r--r-- | common/lynxkdi.c | 70 |
4 files changed, 182 insertions, 32 deletions
diff --git a/common/Makefile b/common/Makefile index d144bef1d..f640cda43 100644 --- a/common/Makefile +++ b/common/Makefile @@ -44,7 +44,7 @@ COBJS = main.o altera.o bedbug.o \ environment.o env_common.o \ env_flash.o env_eeprom.o env_nvram.o env_nowhere.o exports.o \ flash.o fpga.o \ - hush.o kgdb.o lists.o miiphybb.o miiphyutil.o \ + hush.o kgdb.o lists.o lynxkdi.o miiphybb.o miiphyutil.o \ s_record.o soft_i2c.o soft_spi.o spartan2.o \ usb.o usb_kbd.o usb_storage.o \ virtex2.o xilinx.o diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index 13436594f..794f0de13 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -127,6 +127,10 @@ int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] ); #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC) static boot_os_Fcn do_bootm_artos; #endif +#ifdef CONFIG_LYNXKDI +static boot_os_Fcn do_bootm_lynxkdi; +extern void lynxkdi_boot( image_header_t * ); +#endif image_header_t header; @@ -357,6 +361,13 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) addr, len_ptr, verify); break; +#ifdef CONFIG_LYNXKDI + case IH_OS_LYNXOS: + do_bootm_lynxkdi (cmdtp, flag, argc, argv, + addr, len_ptr, verify); + break; +#endif + case IH_OS_RTEMS: do_bootm_rtems (cmdtp, flag, argc, argv, addr, len_ptr, verify); @@ -1069,6 +1080,9 @@ print_type (image_header_t *hdr) #ifdef CONFIG_ARTOS case IH_OS_ARTOS: os = "ARTOS"; break; #endif +#ifdef CONFIG_LYNXKDI + case IH_OS_LYNXOS: os = "LynxOS"; break; +#endif default: os = "Unknown OS"; break; } @@ -1242,3 +1256,17 @@ do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], do_bootelf(cmdtp, 0, 2, local_args); } #endif /* CFG_CMD_ELF */ + +#ifdef CONFIG_LYNXKDI +static void +do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag, + int argc, char *argv[], + ulong addr, + ulong *len_ptr, + int verify) +{ + lynxkdi_boot( &header ); +} + +#endif /* CONFIG_LYNXKDI */ + diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 137f34fde..ec76aa328 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -3,7 +3,6 @@ * borrowed heavily from: * (c) 1999 Machine Vision Holdings, Inc. * (c) 1999, 2000 David Woodhouse <dwmw2@infradead.org> - * */ #include <common.h> @@ -24,6 +23,12 @@ #include <linux/mtd/nand_ids.h> #include <jffs2/jffs2.h> +#ifdef CONFIG_OMAP1510 +void archflashwp(void *archdata, int wp); +#endif + +#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1))) + /* * Definition of the out of band configuration structure */ @@ -52,7 +57,7 @@ struct nand_oob_config { #define ALLOW_ERASE_BAD_DEBUG 0 #define CONFIG_MTD_NAND_ECC /* enable ECC */ -/* #define CONFIG_MTD_NAND_ECC_JFFS2 */ +#define CONFIG_MTD_NAND_ECC_JFFS2 /* bits for nand_rw() `cmd'; or together as needed */ #define NANDRW_READ 0x01 @@ -76,6 +81,7 @@ static int nand_read_oob(struct nand_chip* nand, size_t ofs, size_t len, size_t * retlen, u_char * buf); static int nand_write_oob(struct nand_chip* nand, size_t ofs, size_t len, size_t * retlen, const u_char * buf); +static int NanD_WaitReady(struct nand_chip *nand, int ale_wait); #ifdef CONFIG_MTD_NAND_ECC static int nand_correct_data (u_char *dat, u_char *read_ecc, u_char *calc_ecc); static void nand_calculate_ecc (const u_char *dat, u_char *ecc_code); @@ -218,7 +224,7 @@ int do_nand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) ret = nand_rw(nand_dev_desc + curr_device, cmd, off, size, &total, (u_char*)addr); - printf ("%d bytes %s: %s\n", total, + printf (" %d bytes %s: %s\n", total, (cmd & NANDRW_READ) ? "read" : "write", ret ? "ERROR" : "OK"); @@ -419,7 +425,7 @@ static int nand_rw (struct nand_chip* nand, int cmd, size_t start, size_t len, size_t * retlen, u_char * buf) { - int noecc, ret = 0, n, total = 0; + int ret = 0, n, total = 0; char eccbuf[6]; /* eblk (once set) is the start of the erase block containing the * data being processed. @@ -457,17 +463,18 @@ static int nand_rw (struct nand_chip* nand, int cmd, } /* The ECC will not be calculated correctly if less than 512 is written or read */ - noecc = (start != (start | 0x1ff) + 1) || (len < 0x200); + /* Is request at least 512 bytes AND it starts on a proper boundry */ + if((start != ROUND_DOWN(start, 0x200)) || (len < 0x200)) + printf("Warning block writes should be at least 512 bytes and start on a 512 byte boundry\n"); + if (cmd & NANDRW_READ) ret = nand_read_ecc(nand, start, min(len, eblk + erasesize - start), - &n, (u_char*)buf, - noecc ? NULL : eccbuf); + &n, (u_char*)buf, eccbuf); else ret = nand_write_ecc(nand, start, min(len, eblk + erasesize - start), - &n, (u_char*)buf, - noecc ? NULL : eccbuf); + &n, (u_char*)buf, eccbuf); if (ret) break; @@ -502,19 +509,19 @@ static void nand_print(struct nand_chip *nand) /* ------------------------------------------------------------------------- */ -/* This function is needed to avoid calls of the __ashrdi3 function. */ -#if 0 -static int shr(int val, int shift) -{ - return val >> shift; -} -#endif -static int NanD_WaitReady(struct nand_chip *nand) +static int NanD_WaitReady(struct nand_chip *nand, int ale_wait) { /* This is inline, to optimise the common case, where it's ready instantly */ int ret = 0; - NAND_WAIT_READY(nand); +#ifdef NAND_NO_RB /* in config file, shorter delays currently wrap accesses */ + if(ale_wait) + NAND_WAIT_READY(nand); /* do the worst case 25us wait */ + else + udelay(10); +#else /* has functional r/b signal */ + NAND_WAIT_READY(nand); +#endif return ret; } @@ -533,7 +540,16 @@ static inline int NanD_Command(struct nand_chip *nand, unsigned char command) /* Lower the CLE line */ NAND_CTL_CLRCLE(nandptr); - return NanD_WaitReady(nand); +#ifdef NAND_NO_RB + if(command == NAND_CMD_RESET){ + u_char ret_val; + NanD_Command(nand, NAND_CMD_STATUS); + do{ + ret_val = READ_NAND(nandptr);/* wait till ready */ + } while((ret_val & 0x40) != 0x40); + } +#endif + return NanD_WaitReady(nand, 0); } /* NanD_Address: Set the current address for the flash chip */ @@ -573,7 +589,7 @@ static int NanD_Address(struct nand_chip *nand, int numbytes, unsigned long ofs) NAND_CTL_CLRALE(nandptr); /* Wait for the chip to respond */ - return NanD_WaitReady(nand); + return NanD_WaitReady(nand, 1); } /* NanD_SelectChip: Select a given flash chip within the current floor */ @@ -581,7 +597,7 @@ static int NanD_Address(struct nand_chip *nand, int numbytes, unsigned long ofs) static inline int NanD_SelectChip(struct nand_chip *nand, int chip) { /* Wait for it to be ready */ - return NanD_WaitReady(nand); + return NanD_WaitReady(nand, 0); } /* NanD_IdentChip: Identify a given NAND chip given {floor,chip} */ @@ -931,8 +947,8 @@ static int nand_write_page (struct nand_chip *nand, { int i; -#ifdef CONFIG_MTD_NAND_ECC unsigned long nandptr = nand->IO_ADDR; +#ifdef CONFIG_MTD_NAND_ECC #ifdef CONFIG_MTD_NAND_VERIFY_WRITE int ecc_bytes = (nand->oobblock == 512) ? 6 : 3; #endif @@ -992,12 +1008,20 @@ static int nand_write_page (struct nand_chip *nand, /* Send command to actually program the data */ NanD_Command(nand, NAND_CMD_PAGEPROG); NanD_Command(nand, NAND_CMD_STATUS); +#ifdef NAND_NO_RB + { u_char ret_val; + do{ + ret_val = READ_NAND(nandptr); /* wait till ready */ + } while((ret_val & 0x40) != 0x40); + } +#endif /* See if device thinks it succeeded */ if (READ_NAND(nand->IO_ADDR) & 0x01) { printf ("%s: Failed write, page 0x%08x, ", __FUNCTION__, page); return -1; } + #ifdef CONFIG_MTD_NAND_VERIFY_WRITE /* * The NAND device assumes that it is always writing to @@ -1069,7 +1093,10 @@ static int nand_write_ecc (struct nand_chip* nand, size_t to, size_t len, *retlen = 0; /* Select the NAND device */ - NAND_ENABLE_CE(nand); /* set pin low */ +#ifdef CONFIG_OMAP1510 + archflashwp(0,0); +#endif + NAND_ENABLE_CE(nand); /* set pin low */ /* Check the WP bit */ NanD_Command(nand, NAND_CMD_STATUS); @@ -1113,7 +1140,9 @@ static int nand_write_ecc (struct nand_chip* nand, size_t to, size_t len, out: /* De-select the NAND device */ NAND_DISABLE_CE(nand); /* set pin high */ - +#ifdef CONFIG_OMAP1510 + archflashwp(0,1); +#endif return ret; } @@ -1160,7 +1189,7 @@ static int nand_read_oob(struct nand_chip* nand, size_t ofs, size_t len, * causing the flash device to go into busy mode, so we need * to wait until ready 11.4.1 and Toshiba TC58256FT nands */ - ret = NanD_WaitReady(nand); + ret = NanD_WaitReady(nand, 1); NAND_DISABLE_CE(nand); /* set pin high */ return ret; @@ -1215,8 +1244,13 @@ static int nand_write_oob(struct nand_chip* nand, size_t ofs, size_t len, NanD_Command(nand, NAND_CMD_PAGEPROG); NanD_Command(nand, NAND_CMD_STATUS); - /* NanD_WaitReady() is implicit in NanD_Command */ - +#ifdef NAND_NO_RB + { u_char ret_val; + do{ + ret_val = READ_NAND(nandptr); /* wait till ready */ + }while((ret_val & 0x40) != 0x40); + } +#endif if (READ_NAND(nandptr) & 1) { puts ("Error programming oob data\n"); /* There was an error */ @@ -1233,8 +1267,13 @@ static int nand_write_oob(struct nand_chip* nand, size_t ofs, size_t len, NanD_Command(nand, NAND_CMD_PAGEPROG); NanD_Command(nand, NAND_CMD_STATUS); - /* NanD_WaitReady() is implicit in NanD_Command */ - +#ifdef NAND_NO_RB + { u_char ret_val; + do{ + ret_val = READ_NAND(nandptr); /* wait till ready */ + } while((ret_val & 0x40) != 0x40); + } +#endif if (READ_NAND(nandptr) & 1) { puts ("Error programming oob data\n"); /* There was an error */ @@ -1272,7 +1311,10 @@ static int nand_erase(struct nand_chip* nand, size_t ofs, size_t len, int clean) nandptr = nand->IO_ADDR; /* Select the NAND device */ - NAND_ENABLE_CE(nand); /* set pin low */ +#ifdef CONFIG_OMAP1510 + archflashwp(0,0); +#endif + NAND_ENABLE_CE(nand); /* set pin low */ /* Check the WP bit */ NanD_Command(nand, NAND_CMD_STATUS); @@ -1308,6 +1350,13 @@ static int nand_erase(struct nand_chip* nand, size_t ofs, size_t len, int clean) NanD_Command(nand, NAND_CMD_STATUS); +#ifdef NAND_NO_RB + { u_char ret_val; + do{ + ret_val = READ_NAND(nandptr); /* wait till ready */ + } while((ret_val & 0x40) != 0x40); + } +#endif if (READ_NAND(nandptr) & 1) { printf ("%s: Error erasing at 0x%lx\n", __FUNCTION__, (long)ofs); @@ -1346,7 +1395,9 @@ static int nand_erase(struct nand_chip* nand, size_t ofs, size_t len, int clean) out: /* De-select the NAND device */ NAND_DISABLE_CE(nand); /* set pin high */ - +#ifdef CONFIG_OMAP1510 + archflashwp(0,1); +#endif return ret; } @@ -1596,5 +1647,6 @@ static int nand_correct_data (u_char *dat, u_char *read_ecc, u_char *calc_ecc) /* Should never happen */ return -1; } + #endif #endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */ diff --git a/common/lynxkdi.c b/common/lynxkdi.c new file mode 100644 index 000000000..95df9554f --- /dev/null +++ b/common/lynxkdi.c @@ -0,0 +1,70 @@ +/* + * Copyright (c) Orbacom Systems, Inc <www.orbacom.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms are freely + * permitted provided that the above copyright notice and this + * paragraph and the following disclaimer are duplicated in all + * such forms. + * + * This software is provided "AS IS" and without any express or + * implied warranties, including, without limitation, the implied + * warranties of merchantability and fitness for a particular + * purpose. + */ + +#include <common.h> +#include <asm/processor.h> +#include <image.h> + +#if defined(CONFIG_LYNXKDI) +#include <lynxkdi.h> + +#if defined(CONFIG_MPC8260) +void lynxkdi_boot ( image_header_t *hdr ) +{ + void (*lynxkdi)(void) = (void(*)(void))hdr->ih_ep; + lynxos_bootparms_t *parms = (lynxos_bootparms_t *)0x0020; + bd_t *kbd; + DECLARE_GLOBAL_DATA_PTR; + u32 *psz = (u32 *)(hdr->ih_load + 0x0204); + + memset( parms, 0, sizeof(*parms)); + kbd = gd->bd; + parms->clock_ref = kbd->bi_busfreq; + parms->dramsz = kbd->bi_memsize; + memcpy(parms->ethaddr, kbd->bi_enetaddr, 6); + mtspr(SPRN_SPRG2, 0x0020); + + /* Do a simple check for Bluecat so we can pass the + * kernel command line parameters. + */ + if( le32_to_cpu(*psz) == hdr->ih_size ){ + char *args; + char *cmdline = (char *)(hdr->ih_load + 0x020c); + int len; + + printf("Booting Bluecat KDI ...\n"); + udelay(200*1000); /* Allow serial port to flush */ + if ((args = getenv("bootargs")) == NULL) + args = ""; + /* Prepend the cmdline */ + len = strlen(args); + if( len && (len + strlen(cmdline) + 2 < (0x0400 - 0x020c))) { + memmove( cmdline + strlen(args) + 1, cmdline, strlen(cmdline) ); + strcpy( cmdline, args ); + cmdline[len] = ' '; + } + } + else { + printf("Booting LynxOS KDI ...\n"); + } + + lynxkdi(); +} +#else +#error "Lynx KDI support not implemented for configured CPU" +#endif + +#endif /* CONFIG_LYNXKDI */ + |