From a258e732a7e2608695c9244eb10998af8f968f5b Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Fri, 23 Jan 2015 00:24:21 +0900 Subject: powerpc: mpc5xxx: PM520 board support This board is still a non-generic board. Signed-off-by: Masahiro Yamada Cc: Josef Wagner --- board/pm520/Kconfig | 9 - board/pm520/MAINTAINERS | 9 - board/pm520/Makefile | 8 - board/pm520/flash.c | 659 ----------------------------------------- board/pm520/mt46v16m16-75.h | 16 - board/pm520/mt48lc16m16a2-75.h | 14 - board/pm520/pm520.c | 253 ---------------- 7 files changed, 968 deletions(-) delete mode 100644 board/pm520/Kconfig delete mode 100644 board/pm520/MAINTAINERS delete mode 100644 board/pm520/Makefile delete mode 100644 board/pm520/flash.c delete mode 100644 board/pm520/mt46v16m16-75.h delete mode 100644 board/pm520/mt48lc16m16a2-75.h delete mode 100644 board/pm520/pm520.c (limited to 'board/pm520') diff --git a/board/pm520/Kconfig b/board/pm520/Kconfig deleted file mode 100644 index 3f0a258a2b6..00000000000 --- a/board/pm520/Kconfig +++ /dev/null @@ -1,9 +0,0 @@ -if TARGET_PM520 - -config SYS_BOARD - default "pm520" - -config SYS_CONFIG_NAME - default "PM520" - -endif diff --git a/board/pm520/MAINTAINERS b/board/pm520/MAINTAINERS deleted file mode 100644 index 7b255bc81bd..00000000000 --- a/board/pm520/MAINTAINERS +++ /dev/null @@ -1,9 +0,0 @@ -PM520 BOARD -M: Josef Wagner -S: Maintained -F: board/pm520/ -F: include/configs/PM520.h -F: configs/PM520_defconfig -F: configs/PM520_DDR_defconfig -F: configs/PM520_ROMBOOT_defconfig -F: configs/PM520_ROMBOOT_DDR_defconfig diff --git a/board/pm520/Makefile b/board/pm520/Makefile deleted file mode 100644 index 8b5a7eba717..00000000000 --- a/board/pm520/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# (C) Copyright 2003-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y := pm520.o flash.o diff --git a/board/pm520/flash.c b/board/pm520/flash.c deleted file mode 100644 index 89c9f02644c..00000000000 --- a/board/pm520/flash.c +++ /dev/null @@ -1,659 +0,0 @@ -/* - * (C) Copyright 2001 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2001-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include - - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/* Board support for 1 or 2 flash devices */ -#define FLASH_PORT_WIDTH32 -#undef FLASH_PORT_WIDTH16 - -#ifdef FLASH_PORT_WIDTH16 -#define FLASH_PORT_WIDTH ushort -#define FLASH_PORT_WIDTHV vu_short -#define SWAP(x) (x) -#else -#define FLASH_PORT_WIDTH ulong -#define FLASH_PORT_WIDTHV vu_long -#define SWAP(x) (x) -#endif - -/* Intel-compatible flash ID */ -#define INTEL_COMPAT 0x00890089 -#define INTEL_ALT 0x00B000B0 - -/* Intel-compatible flash commands */ -#define INTEL_PROGRAM 0x00100010 -#define INTEL_ERASE 0x00200020 -#define INTEL_CLEAR 0x00500050 -#define INTEL_LOCKBIT 0x00600060 -#define INTEL_PROTECT 0x00010001 -#define INTEL_STATUS 0x00700070 -#define INTEL_READID 0x00900090 -#define INTEL_CONFIRM 0x00D000D0 -#define INTEL_RESET 0xFFFFFFFF - -/* Intel-compatible flash status bits */ -#define INTEL_FINISHED 0x00800080 -#define INTEL_OK 0x00800080 - -#define FPW FLASH_PORT_WIDTH -#define FPWV FLASH_PORT_WIDTHV - -#define mb() __asm__ __volatile__ ("" : : : "memory") - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (FPW *addr, flash_info_t *info); -static int write_data (flash_info_t *info, ulong dest, FPW data); -static void flash_get_offsets (ulong base, flash_info_t *info); -void inline spin_wheel (void); -static void flash_sync_real_protect (flash_info_t * info); -static unsigned char intel_sector_protected (flash_info_t *info, ushort sector); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - int i; - ulong size = 0; - extern void flash_preinit(void); - extern void flash_afterinit(ulong, ulong); - ulong flashbase = CONFIG_SYS_FLASH_BASE; - - flash_preinit(); - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - switch (i) { - case 0: - memset(&flash_info[i], 0, sizeof(flash_info_t)); - flash_get_size ((FPW *) flashbase, &flash_info[i]); - flash_get_offsets (flash_info[i].start[0], &flash_info[i]); - break; - default: - panic ("configured to many flash banks!\n"); - break; - } - size += flash_info[i].size; - - /* get the h/w and s/w protection status in sync */ - flash_sync_real_protect(&flash_info[i]); - } - - /* Protect monitor and environment sectors - */ -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE -#ifndef CONFIG_BOOT_ROM - flash_protect ( FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, - &flash_info[0] ); -#endif -#endif - -#ifdef CONFIG_ENV_IS_IN_FLASH - flash_protect ( FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0] ); -#endif - - flash_afterinit(flash_info[0].start[0], flash_info[0].size); - - return size; -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t *info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - return; - } - - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); - } - } -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t *info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: - printf ("INTEL "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F256J3A: - printf ("28F256J3A\n"); - break; - - case FLASH_28F128J3A: - printf ("28F128J3A\n"); - break; - - case FLASH_28F640J3A: - printf ("28F640J3A\n"); - break; - - case FLASH_28F320J3A: - printf ("28F320J3A\n"); - break; - - default: - printf ("Unknown Chip Type\n"); - 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"); - return; -} - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size (FPW *addr, flash_info_t *info) -{ - volatile FPW value; - - /* Write auto select command: read Manufacturer ID */ - addr[0x5555] = (FPW) 0x00AA00AA; - addr[0x2AAA] = (FPW) 0x00550055; - addr[0x5555] = (FPW) 0x00900090; - - mb (); - udelay(100); - - value = addr[0]; - - switch (value) { - - case (FPW) INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - break; - - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ - return (0); /* no or unknown flash */ - } - - mb (); - value = addr[1]; /* device ID */ - - switch (value) { - - case (FPW) INTEL_ID_28F256J3A: - info->flash_id += FLASH_28F256J3A; - /* In U-Boot we support only 32 MB (no bank-switching) */ - info->sector_count = 256 / 2; - info->size = 0x04000000 / 2; - info->start[0] = CONFIG_SYS_FLASH_BASE + 0x02000000; - break; /* => 32 MB */ - - case (FPW) INTEL_ID_28F128J3A: - info->flash_id += FLASH_28F128J3A; - info->sector_count = 128; - info->size = 0x02000000; - info->start[0] = CONFIG_SYS_FLASH_BASE + 0x02000000; - break; /* => 32 MB */ - - case (FPW) INTEL_ID_28F640J3A: - info->flash_id += FLASH_28F640J3A; - info->sector_count = 64; - info->size = 0x01000000; - info->start[0] = CONFIG_SYS_FLASH_BASE + 0x03000000; - break; /* => 16 MB */ - - case (FPW) INTEL_ID_28F320J3A: - info->flash_id += FLASH_28F320J3A; - info->sector_count = 32; - info->size = 0x800000; - info->start[0] = CONFIG_SYS_FLASH_BASE + 0x03800000; - break; /* => 8 MB */ - - default: - info->flash_id = FLASH_UNKNOWN; - break; - } - - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; - } - - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ - - return (info->size); -} - - -/* - * This function gets the u-boot flash sector protection status - * (flash_info_t.protect[]) in sync with the sector protection - * status stored in hardware. - */ -static void flash_sync_real_protect (flash_info_t * info) -{ - int i; - - switch (info->flash_id & FLASH_TYPEMASK) { - - case FLASH_28F256J3A: - case FLASH_28F128J3A: - case FLASH_28F640J3A: - case FLASH_28F320J3A: - for (i = 0; i < info->sector_count; ++i) { - info->protect[i] = intel_sector_protected(info, i); - } - break; - default: - /* no h/w protect support */ - break; - } -} - - -/* - * checks if "sector" in bank "info" is protected. Should work on intel - * strata flash chips 28FxxxJ3x in 8-bit mode. - * Returns 1 if sector is protected (or timed-out while trying to read - * protection status), 0 if it is not. - */ -static unsigned char intel_sector_protected (flash_info_t *info, ushort sector) -{ - FPWV *addr; - FPWV *lock_conf_addr; - ulong start; - unsigned char ret; - - /* - * first, wait for the WSM to be finished. The rationale for - * waiting for the WSM to become idle for at most - * CONFIG_SYS_FLASH_ERASE_TOUT is as follows. The WSM can be busy - * because of: (1) erase, (2) program or (3) lock bit - * configuration. So we just wait for the longest timeout of - * the (1)-(3), i.e. the erase timeout. - */ - - /* wait at least 35ns (W12) before issuing Read Status Register */ - udelay(1); - addr = (FPWV *) info->start[sector]; - *addr = (FPW) INTEL_STATUS; - - start = get_timer (0); - while ((*addr & (FPW) INTEL_FINISHED) != (FPW) INTEL_FINISHED) { - if (get_timer (start) > CONFIG_SYS_FLASH_ERASE_TOUT) { - *addr = (FPW) INTEL_RESET; /* restore read mode */ - printf("WSM busy too long, can't get prot status\n"); - return 1; - } - } - - /* issue the Read Identifier Codes command */ - *addr = (FPW) INTEL_READID; - - /* wait at least 35ns (W12) before reading */ - udelay(1); - - /* Intel example code uses offset of 2 for 16 bit flash */ - lock_conf_addr = (FPWV *) info->start[sector] + 2; - ret = (*lock_conf_addr & (FPW) INTEL_PROTECT) ? 1 : 0; - - /* put flash back in read mode */ - *addr = (FPW) INTEL_RESET; - - return ret; -} - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - int flag, prot, sect; - ulong type, start; - int rcode = 0; - - 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; - } - - type = (info->flash_id & FLASH_VENDMASK); - if ((type != FLASH_MAN_INTEL)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - 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); - - /* 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 */ - FPWV *addr = (FPWV *) (info->start[sect]); - FPW status; - - printf ("Erasing sector %2d ... ", sect); - - /* arm simple, non interrupt dependent timer */ - start = get_timer(0); - - *addr = (FPW) 0x00500050; /* clear status register */ - *addr = (FPW) 0x00200020; /* erase setup */ - *addr = (FPW) 0x00D000D0; /* erase confirm */ - - while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { - if (get_timer(start) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - *addr = (FPW) 0x00B000B0; /* suspend erase */ - *addr = (FPW) 0x00FF00FF; /* reset to read mode */ - rcode = 1; - break; - } - } - - *addr = 0x00500050; /* clear status register cmd. */ - *addr = 0x00FF00FF; /* resest to read mode */ - - printf (" done\n"); - } - } - - if (flag) - enable_interrupts(); - - return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp; - FPW data; - int count, i, l, rc, port_width; - - if (info->flash_id == FLASH_UNKNOWN) { - return 4; - } -/* get lower word aligned address */ -#ifdef FLASH_PORT_WIDTH16 - wp = (addr & ~1); - port_width = 2; -#else - wp = (addr & ~3); - port_width = 4; -#endif - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i = 0, cp = wp; i < l; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - for (; i < port_width && cnt > 0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt == 0 && i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - if ((rc = write_data (info, wp, SWAP (data))) != 0) { - return (rc); - } - wp += port_width; - } - - /* - * handle word aligned part - */ - count = 0; - while (cnt >= port_width) { - data = 0; - for (i = 0; i < port_width; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_data (info, wp, SWAP (data))) != 0) { - return (rc); - } - wp += port_width; - cnt -= port_width; - if (count++ > 0x800) { - spin_wheel (); - count = 0; - } - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - return (write_data (info, wp, SWAP (data))); -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t *info, ulong dest, FPW data) -{ - FPWV *addr = (FPWV *) dest; - ulong status; - ulong start; - int flag; - int rcode = 0; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & data) != data) { - printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr); - return (2); - } - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - *addr = (FPW) 0x00400040; /* write setup */ - *addr = data; - - /* arm simple, non interrupt dependent timer */ - start = get_timer(0); - - /* wait while polling the status register */ - while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - rcode = 1; - break; - } - } - - *addr = (FPW) 0x00FF00FF; /* restore read mode */ - - if (flag) - enable_interrupts(); - - return rcode; -} - -void inline spin_wheel (void) -{ - static int p = 0; - static char w[] = "\\/-"; - - printf ("\010%c", w[p]); - (++p == 3) ? (p = 0) : 0; -} - -/*----------------------------------------------------------------------- - * Set/Clear sector's lock bit, returns: - * 0 - OK - * 1 - Error (timeout, voltage problems, etc.) - */ -int flash_real_protect (flash_info_t *info, long sector, int prot) -{ - ulong start; - int i; - int rc = 0; - vu_long *addr = (vu_long *)(info->start[sector]); - int flag = disable_interrupts(); - - *addr = INTEL_CLEAR; /* Clear status register */ - if (prot) { /* Set sector lock bit */ - *addr = INTEL_LOCKBIT; /* Sector lock bit */ - *addr = INTEL_PROTECT; /* set */ - } - else { /* Clear sector lock bit */ - *addr = INTEL_LOCKBIT; /* All sectors lock bits */ - *addr = INTEL_CONFIRM; /* clear */ - } - - start = get_timer(0); - - while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) { - if (get_timer(start) > CONFIG_SYS_FLASH_UNLOCK_TOUT) { - printf("Flash lock bit operation timed out\n"); - rc = 1; - break; - } - } - - if (*addr != INTEL_OK) { - printf("Flash lock bit operation failed at %08X, CSR=%08X\n", - (uint)addr, (uint)*addr); - rc = 1; - } - - if (!rc) - info->protect[sector] = prot; - - /* - * Clear lock bit command clears all sectors lock bits, so - * we have to restore lock bits of protected sectors. - * WARNING: code below re-locks sectors only for one bank (info). - * This causes problems on boards where several banks share - * the same chip, as sectors in othere banks will be unlocked - * but not re-locked. It works fine on pm520 though, as there - * is only one chip and one bank. - */ - if (!prot) - { - for (i = 0; i < info->sector_count; i++) - { - if (info->protect[i]) - { - start = get_timer(0); - addr = (vu_long *)(info->start[i]); - *addr = INTEL_LOCKBIT; /* Sector lock bit */ - *addr = INTEL_PROTECT; /* set */ - while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) - { - if (get_timer(start) > CONFIG_SYS_FLASH_UNLOCK_TOUT) - { - printf("Flash lock bit operation timed out\n"); - rc = 1; - break; - } - } - } - } - /* - * get the s/w sector protection status in sync with the h/w, - * in case something went wrong during the re-locking. - */ - flash_sync_real_protect(info); /* resets flash to read mode */ - } - - if (flag) - enable_interrupts(); - - *addr = INTEL_RESET; /* Reset to read array mode */ - - return rc; -} diff --git a/board/pm520/mt46v16m16-75.h b/board/pm520/mt46v16m16-75.h deleted file mode 100644 index 9068fbf36f4..00000000000 --- a/board/pm520/mt46v16m16-75.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * (C) Copyright 2004 - * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#define SDRAM_DDR 1 /* is DDR */ - -/* Settings for XLB = 132 MHz */ -#define SDRAM_MODE 0x018D0000 -#define SDRAM_EMODE 0x40090000 -#define SDRAM_CONTROL 0x714f0f00 -#define SDRAM_CONFIG1 0x73722930 -#define SDRAM_CONFIG2 0x47770000 -#define SDRAM_TAPDELAY 0x10000000 diff --git a/board/pm520/mt48lc16m16a2-75.h b/board/pm520/mt48lc16m16a2-75.h deleted file mode 100644 index 0133eaa2ca9..00000000000 --- a/board/pm520/mt48lc16m16a2-75.h +++ /dev/null @@ -1,14 +0,0 @@ -/* - * (C) Copyright 2004 - * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#define SDRAM_DDR 0 /* is SDR */ - -/* Settings for XLB = 132 MHz */ -#define SDRAM_MODE 0x00CD0000 -#define SDRAM_CONTROL 0x504F0000 -#define SDRAM_CONFIG1 0xD2322800 -#define SDRAM_CONFIG2 0x8AD70000 diff --git a/board/pm520/pm520.c b/board/pm520/pm520.c deleted file mode 100644 index 4ec4505e8d0..00000000000 --- a/board/pm520/pm520.c +++ /dev/null @@ -1,253 +0,0 @@ -/* - * (C) Copyright 2003-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2004 - * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include -#include - -#if defined(CONFIG_MPC5200_DDR) -#include "mt46v16m16-75.h" -#else -#include "mt48lc16m16a2-75.h" -#endif - -DECLARE_GLOBAL_DATA_PTR; - -#ifndef CONFIG_SYS_RAMBOOT -static void sdram_start (int hi_addr) -{ - long hi_addr_bit = hi_addr ? 0x01000000 : 0; - - /* unlock mode register */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 | hi_addr_bit; - __asm__ volatile ("sync"); - - /* precharge all banks */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; - __asm__ volatile ("sync"); - -#if SDRAM_DDR - /* set mode register: extended mode */ - *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_EMODE; - __asm__ volatile ("sync"); - - /* set mode register: reset DLL */ - *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000; - __asm__ volatile ("sync"); -#endif - - /* precharge all banks */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; - __asm__ volatile ("sync"); - - /* auto refresh */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 | hi_addr_bit; - __asm__ volatile ("sync"); - - /* set mode register */ - *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE; - __asm__ volatile ("sync"); - - /* normal operation */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit; - __asm__ volatile ("sync"); -} -#endif - -/* - * ATTENTION: Although partially referenced initdram does NOT make real use - * use of CONFIG_SYS_SDRAM_BASE. The code does not work if CONFIG_SYS_SDRAM_BASE - * is something else than 0x00000000. - */ - -phys_size_t initdram (int board_type) -{ - ulong dramsize = 0; - ulong dramsize2 = 0; -#ifndef CONFIG_SYS_RAMBOOT - ulong test1, test2; - - /* setup SDRAM chip selects */ - *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001e;/* 2G at 0x0 */ - *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x80000000;/* disabled */ - __asm__ volatile ("sync"); - - /* setup config registers */ - *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1; - *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2; - __asm__ volatile ("sync"); - -#if SDRAM_DDR - /* set tap delay */ - *(vu_long *)MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY; - __asm__ volatile ("sync"); -#endif - - /* find RAM size using SDRAM CS0 only */ - sdram_start(0); - test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000); - sdram_start(1); - test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000); - if (test1 > test2) { - sdram_start(0); - dramsize = test1; - } else { - dramsize = test2; - } - - /* memory smaller than 1MB is impossible */ - if (dramsize < (1 << 20)) { - dramsize = 0; - } - - /* set SDRAM CS0 size according to the amount of RAM found */ - if (dramsize > 0) { - *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 + __builtin_ffs(dramsize >> 20) - 1; - } else { - *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */ - } - - /* let SDRAM CS1 start right after CS0 */ - *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e;/* 2G */ - - /* find RAM size using SDRAM CS1 only */ - if (!dramsize) - sdram_start(0); - test2 = test1 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000); - if (!dramsize) { - sdram_start(1); - test2 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000); - } - if (test1 > test2) { - sdram_start(0); - dramsize2 = test1; - } else { - dramsize2 = test2; - } - - /* memory smaller than 1MB is impossible */ - if (dramsize2 < (1 << 20)) { - dramsize2 = 0; - } - - /* set SDRAM CS1 size according to the amount of RAM found */ - if (dramsize2 > 0) { - *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize - | (0x13 + __builtin_ffs(dramsize2 >> 20) - 1); - } else { - *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */ - } - -#else /* CONFIG_SYS_RAMBOOT */ - - /* retrieve size of memory connected to SDRAM CS0 */ - dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF; - if (dramsize >= 0x13) { - dramsize = (1 << (dramsize - 0x13)) << 20; - } else { - dramsize = 0; - } - - /* retrieve size of memory connected to SDRAM CS1 */ - dramsize2 = *(vu_long *)MPC5XXX_SDRAM_CS1CFG & 0xFF; - if (dramsize2 >= 0x13) { - dramsize2 = (1 << (dramsize2 - 0x13)) << 20; - } else { - dramsize2 = 0; - } - -#endif /* CONFIG_SYS_RAMBOOT */ - - return dramsize + dramsize2; -} - -int checkboard (void) -{ - puts ("Board: MicroSys PM520 \n"); - return 0; -} - -void flash_preinit(void) -{ - /* - * Now, when we are in RAM, enable flash write - * access for detection process. - * Note that CS_BOOT cannot be cleared when - * executing in flash. - */ - *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */ -} - -void flash_afterinit(ulong start, ulong size) -{ -#if defined(CONFIG_BOOT_ROM) - /* adjust mapping */ - *(vu_long *)MPC5XXX_CS1_START = - START_REG(start); - *(vu_long *)MPC5XXX_CS1_STOP = - STOP_REG(start, size); -#else - /* adjust mapping */ - *(vu_long *)MPC5XXX_BOOTCS_START = *(vu_long *)MPC5XXX_CS0_START = - START_REG(start); - *(vu_long *)MPC5XXX_BOOTCS_STOP = *(vu_long *)MPC5XXX_CS0_STOP = - STOP_REG(start, size); -#endif -} - - -extern flash_info_t flash_info[]; /* info for FLASH chips */ - -int misc_init_r (void) -{ - /* adjust flash start */ - gd->bd->bi_flashstart = flash_info[0].start[0]; - return (0); -} - -#ifdef CONFIG_PCI -static struct pci_controller hose; - -extern void pci_mpc5xxx_init(struct pci_controller *); - -void pci_init_board(void) -{ - pci_mpc5xxx_init(&hose); -} -#endif - -#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET) - -void init_ide_reset (void) -{ - debug ("init_ide_reset\n"); - -} - -void ide_set_reset (int idereset) -{ - debug ("ide_reset(%d)\n", idereset); - -} -#endif - -#if defined(CONFIG_CMD_DOC) -void doc_init (void) -{ - doc_probe (CONFIG_SYS_DOC_BASE); -} -#endif - -int board_eth_init(bd_t *bis) -{ - cpu_eth_init(bis); /* Built in FEC comes first */ - return pci_eth_init(bis); -} -- cgit v1.2.3