diff options
author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2014-12-15 23:26:31 +0900 |
---|---|---|
committer | Tom Rini <trini@ti.com> | 2015-01-05 12:08:55 -0500 |
commit | d622ac39274a949b6445f1bfd92dc1644014388b (patch) | |
tree | f2f2f587edee722bf5fb6634e4c8e09b9d89592c /board/cpc45/flash.c | |
parent | 9067b30008e4c09fb6287d306caf2a6bed08370f (diff) | |
download | u-boot-imx-d622ac39274a949b6445f1bfd92dc1644014388b.zip u-boot-imx-d622ac39274a949b6445f1bfd92dc1644014388b.tar.gz u-boot-imx-d622ac39274a949b6445f1bfd92dc1644014388b.tar.bz2 |
powerpc: mpc824x: remove MPC824X cpu support
All the MPC824X boards are still non-generic boards:
A3000, CPC45, CU824, eXalion, MVBLUE, MUSENKI, Sandpoint824x, utx8245
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Josef Wagner <Wagner@Microsys.de>
Cc: Torsten Demke <torsten.demke@fci.com>
Cc: Jim Thompson <jim@musenki.com>
Cc: Greg Allen <gallen@arlut.utexas.edu>
Diffstat (limited to 'board/cpc45/flash.c')
-rw-r--r-- | board/cpc45/flash.c | 506 |
1 files changed, 0 insertions, 506 deletions
diff --git a/board/cpc45/flash.c b/board/cpc45/flash.c deleted file mode 100644 index 917db34..0000000 --- a/board/cpc45/flash.c +++ /dev/null @@ -1,506 +0,0 @@ -/* - * (C) Copyright 2001-2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <mpc824x.h> -#include <asm/processor.h> - -#if defined(CONFIG_ENV_IS_IN_FLASH) -# ifndef CONFIG_ENV_ADDR -# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) -# endif -# ifndef CONFIG_ENV_SIZE -# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE -# endif -# ifndef CONFIG_ENV_SECT_SIZE -# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE -# endif -#endif - -#define FLASH_BANK_SIZE 0x800000 -#define MAIN_SECT_SIZE 0x40000 -#define PARAM_SECT_SIZE 0x8000 - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; - -static int write_data (flash_info_t * info, ulong dest, ulong * data); -static void write_via_fpu (vu_long * addr, ulong * data); -static __inline__ unsigned long get_msr (void); -static __inline__ void set_msr (unsigned long msr); - -/*---------------------------------------------------------------------*/ -#undef DEBUG_FLASH - -/*---------------------------------------------------------------------*/ -#ifdef DEBUG_FLASH -#define DEBUGF(fmt,args...) printf(fmt ,##args) -#else -#define DEBUGF(fmt,args...) -#endif -/*---------------------------------------------------------------------*/ - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - int i, j; - ulong size = 0; - uchar tempChar; - vu_long *tmpaddr; - - /* Enable flash writes on CPC45 */ - - tempChar = BOARD_CTRL; - - tempChar |= (B_CTRL_FWPT_1 | B_CTRL_FWRE_1); - - tempChar &= ~(B_CTRL_FWPT_0 | B_CTRL_FWRE_0); - - BOARD_CTRL = tempChar; - - __asm__ volatile ("sync\n eieio"); - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - vu_long *addr = (vu_long *) (CONFIG_SYS_FLASH_BASE + i * FLASH_BANK_SIZE); - - addr[0] = 0x00900090; - - __asm__ volatile ("sync\n eieio"); - - udelay (100); - - DEBUGF ("Flash bank # %d:\n" - "\tManuf. ID @ 0x%08lX: 0x%08lX\n" - "\tDevice ID @ 0x%08lX: 0x%08lX\n", - i, - (ulong) (&addr[0]), addr[0], - (ulong) (&addr[2]), addr[2]); - - - if ((addr[0] == addr[1]) && (addr[0] == INTEL_MANUFACT) && - (addr[2] == addr[3]) && (addr[2] == INTEL_ID_28F160F3T)) { - - flash_info[i].flash_id = - (FLASH_MAN_INTEL & FLASH_VENDMASK) | - (INTEL_ID_28F160F3T & FLASH_TYPEMASK); - - } else if ((addr[0] == addr[1]) && (addr[0] == INTEL_MANUFACT) - && (addr[2] == addr[3]) - && (addr[2] == INTEL_ID_28F160C3T)) { - - flash_info[i].flash_id = - (FLASH_MAN_INTEL & FLASH_VENDMASK) | - (INTEL_ID_28F160C3T & FLASH_TYPEMASK); - - } else { - flash_info[i].flash_id = FLASH_UNKNOWN; - addr[0] = 0xFFFFFFFF; - goto Done; - } - - DEBUGF ("flash_id = 0x%08lX\n", flash_info[i].flash_id); - - addr[0] = 0xFFFFFFFF; - - flash_info[i].size = FLASH_BANK_SIZE; - flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT; - memset (flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT); - for (j = 0; j < flash_info[i].sector_count; j++) { - if (j > 30) { - flash_info[i].start[j] = CONFIG_SYS_FLASH_BASE + - i * FLASH_BANK_SIZE + - (MAIN_SECT_SIZE * 31) + (j - - 31) * - PARAM_SECT_SIZE; - } else { - flash_info[i].start[j] = CONFIG_SYS_FLASH_BASE + - i * FLASH_BANK_SIZE + - j * MAIN_SECT_SIZE; - } - } - - /* unlock sectors, if 160C3T */ - - for (j = 0; j < flash_info[i].sector_count; j++) { - tmpaddr = (vu_long *) flash_info[i].start[j]; - - if ((flash_info[i].flash_id & FLASH_TYPEMASK) == - (INTEL_ID_28F160C3T & FLASH_TYPEMASK)) { - tmpaddr[0] = 0x00600060; - tmpaddr[0] = 0x00D000D0; - tmpaddr[1] = 0x00600060; - tmpaddr[1] = 0x00D000D0; - } - } - - size += flash_info[i].size; - - addr[0] = 0x00FF00FF; - addr[1] = 0x00FF00FF; - } - - /* Protect monitor and environment sectors - */ -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE + FLASH_BANK_SIZE - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, - &flash_info[1]); -#else - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, - &flash_info[0]); -#endif - -#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR) -#if CONFIG_ENV_ADDR >= CONFIG_SYS_FLASH_BASE + FLASH_BANK_SIZE - flash_protect (FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[1]); -#else - flash_protect (FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]); -#endif -#endif - -Done: - return size; -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ - int i; - - switch ((i = info->flash_id & FLASH_VENDMASK)) { - case (FLASH_MAN_INTEL & FLASH_VENDMASK): - printf ("Intel: "); - break; - default: - printf ("Unknown Vendor 0x%04x ", i); - break; - } - - switch ((i = info->flash_id & FLASH_TYPEMASK)) { - case (INTEL_ID_28F160F3T & FLASH_TYPEMASK): - printf ("28F160F3T (16Mbit)\n"); - break; - - case (INTEL_ID_28F160C3T & FLASH_TYPEMASK): - printf ("28F160C3T (16Mbit)\n"); - break; - - default: - printf ("Unknown Chip Type 0x%04x\n", i); - goto Done; - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; i++) { - if ((i % 5) == 0) { - printf ("\n "); - } - printf (" %08lX%s", info->start[i], - info->protect[i] ? " (RO)" : " "); - } - printf ("\n"); - -Done: - return; -} - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ - int flag, prot, sect; - ulong start, now, last; - - DEBUGF ("Erase flash bank %d sect %d ... %d\n", - info - &flash_info[0], s_first, s_last); - - 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_VENDMASK) != - (FLASH_MAN_INTEL & FLASH_VENDMASK)) { - printf ("Can erase only Intel flash types - 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"); - } - - start = get_timer (0); - last = start; - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - vu_long *addr = (vu_long *) (info->start[sect]); - - DEBUGF ("Erase sect %d @ 0x%08lX\n", - sect, (ulong) addr); - - /* Disable interrupts which might cause a timeout - * here. - */ - flag = disable_interrupts (); - - addr[0] = 0x00500050; /* clear status register */ - addr[0] = 0x00200020; /* erase setup */ - addr[0] = 0x00D000D0; /* erase confirm */ - - addr[1] = 0x00500050; /* clear status register */ - addr[1] = 0x00200020; /* erase setup */ - addr[1] = 0x00D000D0; /* erase confirm */ - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts (); - - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - - while (((addr[0] & 0x00800080) != 0x00800080) || - ((addr[1] & 0x00800080) != 0x00800080)) { - if ((now = get_timer (start)) > - CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - addr[0] = 0x00B000B0; /* suspend erase */ - addr[0] = 0x00FF00FF; /* to read mode */ - return 1; - } - - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc ('.'); - last = now; - } - } - - addr[0] = 0x00FF00FF; - } - } - printf (" done\n"); - return 0; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -#define FLASH_WIDTH 8 /* flash bus width in bytes */ - -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ - ulong wp, cp, msr; - int l, rc, i; - ulong data[2]; - ulong *datah = &data[0]; - ulong *datal = &data[1]; - - DEBUGF ("Flash write_buff: @ 0x%08lx, src 0x%08lx len %ld\n", - addr, (ulong) src, cnt); - - if (info->flash_id == FLASH_UNKNOWN) { - return 4; - } - - msr = get_msr (); - set_msr (msr | MSR_FP); - - wp = (addr & ~(FLASH_WIDTH - 1)); /* get lower aligned address */ - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - *datah = *datal = 0; - - for (i = 0, cp = wp; i < l; i++, cp++) { - if (i >= 4) { - *datah = (*datah << 8) | - ((*datal & 0xFF000000) >> 24); - } - - *datal = (*datal << 8) | (*(uchar *) cp); - } - for (; i < FLASH_WIDTH && cnt > 0; ++i) { - char tmp = *src++; - - if (i >= 4) { - *datah = (*datah << 8) | - ((*datal & 0xFF000000) >> 24); - } - - *datal = (*datal << 8) | tmp; - --cnt; - ++cp; - } - - for (; cnt == 0 && i < FLASH_WIDTH; ++i, ++cp) { - if (i >= 4) { - *datah = (*datah << 8) | - ((*datal & 0xFF000000) >> 24); - } - - *datal = (*datah << 8) | (*(uchar *) cp); - } - - if ((rc = write_data (info, wp, data)) != 0) { - set_msr (msr); - return (rc); - } - - wp += FLASH_WIDTH; - } - - /* - * handle FLASH_WIDTH aligned part - */ - while (cnt >= FLASH_WIDTH) { - *datah = *(ulong *) src; - *datal = *(ulong *) (src + 4); - if ((rc = write_data (info, wp, data)) != 0) { - set_msr (msr); - return (rc); - } - wp += FLASH_WIDTH; - cnt -= FLASH_WIDTH; - src += FLASH_WIDTH; - } - - if (cnt == 0) { - set_msr (msr); - return (0); - } - - /* - * handle unaligned tail bytes - */ - *datah = *datal = 0; - for (i = 0, cp = wp; i < FLASH_WIDTH && cnt > 0; ++i, ++cp) { - char tmp = *src++; - - if (i >= 4) { - *datah = (*datah << 8) | ((*datal & 0xFF000000) >> - 24); - } - - *datal = (*datal << 8) | tmp; - --cnt; - } - - for (; i < FLASH_WIDTH; ++i, ++cp) { - if (i >= 4) { - *datah = (*datah << 8) | ((*datal & 0xFF000000) >> - 24); - } - - *datal = (*datal << 8) | (*(uchar *) cp); - } - - rc = write_data (info, wp, data); - set_msr (msr); - - return (rc); -} - -/*----------------------------------------------------------------------- - * Write a word to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t * info, ulong dest, ulong * data) -{ - vu_long *addr = (vu_long *) dest; - ulong start; - int flag; - - /* Check if Flash is (sufficiently) erased */ - if (((addr[0] & data[0]) != data[0]) || - ((addr[1] & data[1]) != data[1])) { - return (2); - } - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - addr[0] = 0x00400040; /* write setup */ - write_via_fpu (addr, data); - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts (); - - start = get_timer (0); - - while (((addr[0] & 0x00800080) != 0x00800080) || - ((addr[1] & 0x00800080) != 0x00800080)) { - if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - addr[0] = 0x00FF00FF; /* restore read mode */ - return (1); - } - } - - addr[0] = 0x00FF00FF; /* restore read mode */ - - return (0); -} - -/*----------------------------------------------------------------------- - */ -static void write_via_fpu (vu_long * addr, ulong * data) -{ - __asm__ __volatile__ ("lfd 1, 0(%0)"::"r" (data)); - __asm__ __volatile__ ("stfd 1, 0(%0)"::"r" (addr)); -} - -/*----------------------------------------------------------------------- - */ -static __inline__ unsigned long get_msr (void) -{ - unsigned long msr; - - __asm__ __volatile__ ("mfmsr %0":"=r" (msr):); - - return msr; -} - -static __inline__ void set_msr (unsigned long msr) -{ - __asm__ __volatile__ ("mtmsr %0"::"r" (msr)); -} |