diff options
Diffstat (limited to 'board/esd/mecp5200/mecp5200.c')
| -rw-r--r-- | board/esd/mecp5200/mecp5200.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/board/esd/mecp5200/mecp5200.c b/board/esd/mecp5200/mecp5200.c deleted file mode 100644 index 17a70a9ff6..0000000000 --- a/board/esd/mecp5200/mecp5200.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * (C) Copyright 2003 - * 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+ - */ - -/* - * pf5200.c - main board support/init for the esd pf5200. - */ - -#include <common.h> -#include <mpc5xxx.h> -#include <pci.h> -#include <command.h> -#include <netdev.h> - -#include "mt46v16m16-75.h" - -void init_power_switch(void); - -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"); - - /* 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"); - - /* 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"); -} - -/* - * 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 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"); - - /* set tap delay */ - *(vu_long *) MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY; - __asm__ volatile ("sync"); - - /* find RAM size using SDRAM CS0 only */ - sdram_start(0); - test1 = get_ram_size(CONFIG_SYS_SDRAM_BASE, 0x80000000); - sdram_start(1); - test2 = get_ram_size(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; - /* let SDRAM CS1 start right after CS0 */ - *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e; /* 2G */ - } else { -#if 0 - *(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */ - /* let SDRAM CS1 start right after CS0 */ - *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e; /* 2G */ -#else - *(vu_long *) MPC5XXX_SDRAM_CS0CFG = - 0x13 + __builtin_ffs(0x08000000 >> 20) - 1; - /* let SDRAM CS1 start right after CS0 */ - *(vu_long *) MPC5XXX_SDRAM_CS1CFG = 0x08000000 + 0x0000001e; /* 2G */ -#endif - } - -#if 0 - /* find RAM size using SDRAM CS1 only */ - sdram_start(0); - get_ram_size((ulong *) (CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000); - sdram_start(1); - get_ram_size((ulong *) (CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000); - sdram_start(0); -#endif - /* set SDRAM CS1 size according to the amount of RAM found */ - - *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */ - - init_power_switch(); - return (dramsize); -} - -int checkboard(void) -{ - puts("Board: esd CPX CPU5200 (mecp5200)\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 size) -{ - if (size == CONFIG_SYS_FLASH_SIZE) { - /* adjust mapping */ - *(vu_long *) MPC5XXX_BOOTCS_START = - *(vu_long *) MPC5XXX_CS0_START = - START_REG(CONFIG_SYS_BOOTCS_START | size); - *(vu_long *) MPC5XXX_BOOTCS_STOP = - *(vu_long *) MPC5XXX_CS0_STOP = - STOP_REG(CONFIG_SYS_BOOTCS_START | size, size); - } -} - -#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) - -#define GPIO_PSC1_4 0x01000000UL - -void init_ide_reset(void) -{ - debug("init_ide_reset\n"); - - /* Configure PSC1_4 as GPIO output for ATA reset */ - *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4; - *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4; -} - -void ide_set_reset(int idereset) -{ - debug("ide_reset(%d)\n", idereset); - - if (idereset) - *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4; - else - *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4; -} -#endif - -#define MPC5XXX_SIMPLEIO_GPIO_ENABLE (MPC5XXX_GPIO + 0x0004) -#define MPC5XXX_SIMPLEIO_GPIO_DIR (MPC5XXX_GPIO + 0x000C) -#define MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT (MPC5XXX_GPIO + 0x0010) -#define MPC5XXX_SIMPLEIO_GPIO_DATA_INPUT (MPC5XXX_GPIO + 0x0014) - -#define MPC5XXX_INTERRUPT_GPIO_ENABLE (MPC5XXX_GPIO + 0x0020) -#define MPC5XXX_INTERRUPT_GPIO_DIR (MPC5XXX_GPIO + 0x0028) -#define MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT (MPC5XXX_GPIO + 0x002C) -#define MPC5XXX_INTERRUPT_GPIO_STATUS (MPC5XXX_GPIO + 0x003C) - -#define GPIO_WU6 0x40000000UL -#define GPIO_USB0 0x00010000UL -#define GPIO_USB9 0x08000000UL -#define GPIO_USB9S 0x00080000UL - -void init_power_switch(void) -{ - debug("init_power_switch\n"); - - /* Configure GPIO_WU6 as GPIO output for ATA reset */ - *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_WU6; - *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_WU6; - *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_WU6; - __asm__ volatile ("sync"); - - *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT &= ~GPIO_USB0; - *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_ENABLE |= GPIO_USB0; - *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DIR |= GPIO_USB0; - __asm__ volatile ("sync"); - - *(vu_long *) MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT &= ~GPIO_USB9; - *(vu_long *) MPC5XXX_INTERRUPT_GPIO_ENABLE &= ~GPIO_USB9; - __asm__ volatile ("sync"); - - if ((*(vu_long *) MPC5XXX_INTERRUPT_GPIO_STATUS & GPIO_USB9S) == 0) { - *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT |= GPIO_USB0; - __asm__ volatile ("sync"); - } -} - -int board_eth_init(bd_t *bis) -{ - return pci_eth_init(bis); -} |
