+++ /dev/null
-/*
- * (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((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;
- /* 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 ParaFinder (pf5200)\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 == 0x02000000) {
- /* 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)
-
-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");
- }
- *(vu_char *) CONFIG_SYS_CS1_START = 0x02; /* Red Power LED on */
- __asm__ volatile ("sync");
-
- *(vu_char *) (CONFIG_SYS_CS1_START + 1) = 0x02; /* Disable driver for KB11 */
- __asm__ volatile ("sync");
-}
-
-int board_eth_init(bd_t *bis)
-{
- return pci_eth_init(bis);
-}
-
-void power_set_reset(int power)
-{
- debug("ide_set_reset(%d)\n", power);
-
- if (power) {
- *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_WU6;
- *(vu_long *) MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT &= ~GPIO_USB9;
- } else {
- *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_WU6;
- if ((*(vu_long *) MPC5XXX_INTERRUPT_GPIO_STATUS & GPIO_USB9S) ==
- 0) {
- *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT |=
- GPIO_USB0;
- }
-
- }
-}
-
-int do_poweroff(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- power_set_reset(1);
- return (0);
-}
-
-U_BOOT_CMD(poweroff, 1, 1, do_poweroff, "Switch off power", "");
-
-int phypower(int flag)
-{
- u32 addr;
- vu_long *reg;
- int status;
- pci_dev_t dev;
-
- dev = PCI_BDF(0, 0x18, 0);
- status = pci_read_config_dword(dev, PCI_BASE_ADDRESS_1, &addr);
- if (status == 0) {
- reg = (vu_long *) (addr + 0x00000040);
- *reg |= 0x40000000;
- __asm__ volatile ("sync");
-
- reg = (vu_long *) (addr + 0x001000c);
- *reg |= 0x20000000;
- __asm__ volatile ("sync");
-
- reg = (vu_long *) (addr + 0x0010004);
- if (flag != 0) {
- *reg &= ~0x20000000;
- } else {
- *reg |= 0x20000000;
- }
- __asm__ volatile ("sync");
- }
- return (status);
-}
-
-int do_phypower(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- if (argv[1][0] == '0')
- (void)phypower(0);
- else
- (void)phypower(1);
-
- return (0);
-}
-
-U_BOOT_CMD(phypower, 2, 2, do_phypower,
- "Switch power of ethernet phy", "");
-
-int do_writepci(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- unsigned int addr;
- unsigned int size;
- int i;
- volatile unsigned long *ptr;
-
- addr = simple_strtol(argv[1], NULL, 16);
- size = simple_strtol(argv[2], NULL, 16);
-
- printf("\nWriting at addr %08x, size %08x.\n", addr, size);
-
- while (1) {
- ptr = (volatile unsigned long *)addr;
- for (i = 0; i < (size >> 2); i++) {
- *ptr++ = i;
- }
-
- /* Abort if ctrl-c was pressed */
- if (ctrlc()) {
- puts("\nAbort\n");
- return 0;
- }
- putc('.');
- }
- return 0;
-}
-
-U_BOOT_CMD(writepci, 3, 1, do_writepci,
- "Write some data to pcibus",
- "<addr> <size>\n"
- ""
-);
projects / people / ms / u-boot.git / blobdiff