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author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-01-23 00:24:21 +0900 |
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committer | Tom Rini <trini@ti.com> | 2015-01-23 16:55:57 -0500 |
commit | a258e732a7e2608695c9244eb10998af8f968f5b (patch) | |
tree | 9bc5ef7333902a6a4f61331d0ae4f99859bf9dfd /board/pm520/pm520.c | |
parent | ad734f7dc2238aa9c6a99ff30e40aedbc01fb4fd (diff) | |
download | u-boot-imx-a258e732a7e2608695c9244eb10998af8f968f5b.zip u-boot-imx-a258e732a7e2608695c9244eb10998af8f968f5b.tar.gz u-boot-imx-a258e732a7e2608695c9244eb10998af8f968f5b.tar.bz2 |
powerpc: mpc5xxx: PM520 board support
This board is still a non-generic board.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Josef Wagner <Wagner@Microsys.de>
Diffstat (limited to 'board/pm520/pm520.c')
-rw-r--r-- | board/pm520/pm520.c | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/board/pm520/pm520.c b/board/pm520/pm520.c deleted file mode 100644 index 4ec4505..0000000 --- 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 <common.h> -#include <mpc5xxx.h> -#include <pci.h> -#include <netdev.h> - -#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); -} |