+++ /dev/null
-/*
- * (C) Copyright 2001
- * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/*
- * evb64260.c - main board support/init for the Galileo Eval board.
- */
-
-#include <common.h>
-#include <74xx_7xx.h>
-#include <galileo/memory.h>
-#include <galileo/pci.h>
-#include <galileo/gt64260R.h>
-#include <net.h>
-#include <netdev.h>
-#include <linux/compiler.h>
-
-#include <asm/io.h>
-#include "eth.h"
-#include "mpsc.h"
-#include "i2c.h"
-#include "64260.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_ZUMA_V2
-extern void zuma_mbox_init(void);
-#endif
-
-#undef DEBUG
-#define MAP_PCI
-
-#ifdef DEBUG
-#define DP(x) x
-#else
-#define DP(x)
-#endif
-
-/* ------------------------------------------------------------------------- */
-
-/* this is the current GT register space location */
-/* it starts at CONFIG_SYS_DFL_GT_REGS but moves later to CONFIG_SYS_GT_REGS */
-
-/* Unfortunately, we cant change it while we are in flash, so we initialize it
- * to the "final" value. This means that any debug_led calls before
- * board_early_init_f wont work right (like in cpu_init_f).
- * See also my_remap_gt_regs below. (NTL)
- */
-
-unsigned int INTERNAL_REG_BASE_ADDR = CONFIG_SYS_GT_REGS;
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * This is a version of the GT register space remapping function that
- * doesn't touch globals (meaning, it's ok to run from flash.)
- *
- * Unfortunately, this has the side effect that a writable
- * INTERNAL_REG_BASE_ADDR is impossible. Oh well.
- */
-
-void
-my_remap_gt_regs(u32 cur_loc, u32 new_loc)
-{
- u32 temp;
-
- /* check and see if it's already moved */
- temp = in_le32((u32 *)(new_loc + INTERNAL_SPACE_DECODE));
- if ((temp & 0xffff) == new_loc >> 20)
- return;
-
- temp = (in_le32((u32 *)(cur_loc + INTERNAL_SPACE_DECODE)) &
- 0xffff0000) | (new_loc >> 20);
-
- out_le32((u32 *)(cur_loc + INTERNAL_SPACE_DECODE), temp);
-
- while (GTREGREAD(INTERNAL_SPACE_DECODE) != temp);
-}
-
-static void
-gt_pci_config(void)
-{
- /* move PCI stuff out of the way - NTL */
- /* map PCI Host 0 */
- pciMapSpace(PCI_HOST0, PCI_REGION0, CONFIG_SYS_PCI0_0_MEM_SPACE,
- CONFIG_SYS_PCI0_0_MEM_SPACE, CONFIG_SYS_PCI0_MEM_SIZE);
-
- pciMapSpace(PCI_HOST0, PCI_REGION1, 0, 0, 0);
- pciMapSpace(PCI_HOST0, PCI_REGION2, 0, 0, 0);
- pciMapSpace(PCI_HOST0, PCI_REGION3, 0, 0, 0);
-
- pciMapSpace(PCI_HOST0, PCI_IO, CONFIG_SYS_PCI0_IO_SPACE_PCI,
- CONFIG_SYS_PCI0_IO_SPACE, CONFIG_SYS_PCI0_IO_SIZE);
-
- /* map PCI Host 1 */
- pciMapSpace(PCI_HOST1, PCI_REGION0, CONFIG_SYS_PCI1_0_MEM_SPACE,
- CONFIG_SYS_PCI1_0_MEM_SPACE, CONFIG_SYS_PCI1_MEM_SIZE);
-
- pciMapSpace(PCI_HOST1, PCI_REGION1, 0, 0, 0);
- pciMapSpace(PCI_HOST1, PCI_REGION2, 0, 0, 0);
- pciMapSpace(PCI_HOST1, PCI_REGION3, 0, 0, 0);
-
- pciMapSpace(PCI_HOST1, PCI_IO, CONFIG_SYS_PCI1_IO_SPACE_PCI,
- CONFIG_SYS_PCI1_IO_SPACE, CONFIG_SYS_PCI1_IO_SIZE);
-
- /* PCI interface settings */
- GT_REG_WRITE(PCI_0TIMEOUT_RETRY, 0xffff);
- GT_REG_WRITE(PCI_1TIMEOUT_RETRY, 0xffff);
- GT_REG_WRITE(PCI_0BASE_ADDRESS_REGISTERS_ENABLE, 0xfffff80e);
- GT_REG_WRITE(PCI_1BASE_ADDRESS_REGISTERS_ENABLE, 0xfffff80e);
-
-
-}
-
-/* Setup CPU interface paramaters */
-static void
-gt_cpu_config(void)
-{
- cpu_t cpu = get_cpu_type();
- ulong tmp;
-
- /* cpu configuration register */
- tmp = GTREGREAD(CPU_CONFIGURATION);
-
- /* set the AACK delay bit
- * see Res#14 */
- tmp |= CPU_CONF_AACK_DELAY;
- tmp &= ~CPU_CONF_AACK_DELAY_2; /* New RGF */
-
- /* Galileo claims this is necessary for all busses >= 100 MHz */
- tmp |= CPU_CONF_FAST_CLK;
-
- if (cpu == CPU_750CX) {
- tmp &= ~CPU_CONF_DP_VALID; /* Safer, needed for CXe. RGF */
- tmp &= ~CPU_CONF_AP_VALID;
- } else {
- tmp |= CPU_CONF_DP_VALID;
- tmp |= CPU_CONF_AP_VALID;
- }
-
- /* this only works with the MPX bus */
- tmp &= ~CPU_CONF_RD_OOO; /* Safer RGF */
- tmp |= CPU_CONF_PIPELINE;
- tmp |= CPU_CONF_TA_DELAY;
-
- GT_REG_WRITE(CPU_CONFIGURATION, tmp);
-
- /* CPU master control register */
- tmp = GTREGREAD(CPU_MASTER_CONTROL);
-
- tmp |= CPU_MAST_CTL_ARB_EN;
-
- if ((cpu == CPU_7400) ||
- (cpu == CPU_7410) ||
- (cpu == CPU_7450)) {
-
- tmp |= CPU_MAST_CTL_CLEAN_BLK;
- tmp |= CPU_MAST_CTL_FLUSH_BLK;
-
- } else {
- /* cleanblock must be cleared for CPUs
- * that do not support this command
- * see Res#1 */
- tmp &= ~CPU_MAST_CTL_CLEAN_BLK;
- tmp &= ~CPU_MAST_CTL_FLUSH_BLK;
- }
- GT_REG_WRITE(CPU_MASTER_CONTROL, tmp);
-}
-
-/*
- * board_early_init_f.
- *
- * set up gal. device mappings, etc.
- */
-int board_early_init_f (void)
-{
- uchar sram_boot = 0;
-
- /*
- * set up the GT the way the kernel wants it
- * the call to move the GT register space will obviously
- * fail if it has already been done, but we're going to assume
- * that if it's not at the power-on location, it's where we put
- * it last time. (huber)
- */
- my_remap_gt_regs(CONFIG_SYS_DFL_GT_REGS, CONFIG_SYS_GT_REGS);
-
- gt_pci_config();
-
- /* mask all external interrupt sources */
- GT_REG_WRITE(CPU_INTERRUPT_MASK_REGISTER_LOW, 0);
- GT_REG_WRITE(CPU_INTERRUPT_MASK_REGISTER_HIGH, 0);
- GT_REG_WRITE(PCI_0INTERRUPT_CAUSE_MASK_REGISTER_LOW, 0);
- GT_REG_WRITE(PCI_0INTERRUPT_CAUSE_MASK_REGISTER_HIGH, 0);
- GT_REG_WRITE(PCI_1INTERRUPT_CAUSE_MASK_REGISTER_LOW, 0);
- GT_REG_WRITE(PCI_1INTERRUPT_CAUSE_MASK_REGISTER_HIGH, 0);
- GT_REG_WRITE(CPU_INT_0_MASK, 0);
- GT_REG_WRITE(CPU_INT_1_MASK, 0);
- GT_REG_WRITE(CPU_INT_2_MASK, 0);
- GT_REG_WRITE(CPU_INT_3_MASK, 0);
-
- /* now, onto the configuration */
- GT_REG_WRITE(SDRAM_CONFIGURATION, CONFIG_SYS_SDRAM_CONFIG);
-
- /* ----- DEVICE BUS SETTINGS ------ */
-
- /*
- * EVB
- * 0 - SRAM
- * 1 - RTC
- * 2 - UART
- * 3 - Flash
- * boot - BootCS
- *
- * Zuma
- * 0 - Flash
- * boot - BootCS
- */
-
- /*
- * the dual 7450 module requires burst access to the boot
- * device, so the serial rom copies the boot device to the
- * on-board sram on the eval board, and updates the correct
- * registers to boot from the sram. (device0)
- */
-#if defined(CONFIG_ZUMA_V2) || defined(CONFIG_P3G4)
- /* Zuma has no SRAM */
- sram_boot = 0;
-#else
- if (memoryGetDeviceBaseAddress(DEVICE0) && 0xfff00000 == CONFIG_SYS_MONITOR_BASE)
- sram_boot = 1;
-#endif
-
- memoryMapDeviceSpace(DEVICE0, CONFIG_SYS_DEV0_SPACE, CONFIG_SYS_DEV0_SIZE);
-
- memoryMapDeviceSpace(DEVICE1, CONFIG_SYS_DEV1_SPACE, CONFIG_SYS_DEV1_SIZE);
- memoryMapDeviceSpace(DEVICE2, CONFIG_SYS_DEV2_SPACE, CONFIG_SYS_DEV2_SIZE);
- memoryMapDeviceSpace(DEVICE3, CONFIG_SYS_DEV3_SPACE, CONFIG_SYS_DEV3_SIZE);
-
- /* configure device timing */
-#ifdef CONFIG_SYS_DEV0_PAR
- if (!sram_boot)
- GT_REG_WRITE(DEVICE_BANK0PARAMETERS, CONFIG_SYS_DEV0_PAR);
-#endif
-
-#ifdef CONFIG_SYS_DEV1_PAR
- GT_REG_WRITE(DEVICE_BANK1PARAMETERS, CONFIG_SYS_DEV1_PAR);
-#endif
-#ifdef CONFIG_SYS_DEV2_PAR
- GT_REG_WRITE(DEVICE_BANK2PARAMETERS, CONFIG_SYS_DEV2_PAR);
-#endif
-
-#ifdef CONFIG_EVB64260
-#ifdef CONFIG_SYS_32BIT_BOOT_PAR
- /* detect if we are booting from the 32 bit flash */
- if (GTREGREAD(DEVICE_BOOT_BANK_PARAMETERS) & (0x3 << 20)) {
- /* 32 bit boot flash */
- GT_REG_WRITE(DEVICE_BANK3PARAMETERS, CONFIG_SYS_8BIT_BOOT_PAR);
- GT_REG_WRITE(DEVICE_BOOT_BANK_PARAMETERS, CONFIG_SYS_32BIT_BOOT_PAR);
- } else {
- /* 8 bit boot flash */
- GT_REG_WRITE(DEVICE_BANK3PARAMETERS, CONFIG_SYS_32BIT_BOOT_PAR);
- GT_REG_WRITE(DEVICE_BOOT_BANK_PARAMETERS, CONFIG_SYS_8BIT_BOOT_PAR);
- }
-#else
- /* 8 bit boot flash only */
- GT_REG_WRITE(DEVICE_BOOT_BANK_PARAMETERS, CONFIG_SYS_8BIT_BOOT_PAR);
-#endif
-#else /* CONFIG_EVB64260 not defined */
- /* We are booting from 16-bit flash.
- */
- GT_REG_WRITE(DEVICE_BOOT_BANK_PARAMETERS, CONFIG_SYS_16BIT_BOOT_PAR);
-#endif
-
- gt_cpu_config();
-
- /* MPP setup */
- GT_REG_WRITE(MPP_CONTROL0, CONFIG_SYS_MPP_CONTROL_0);
- GT_REG_WRITE(MPP_CONTROL1, CONFIG_SYS_MPP_CONTROL_1);
- GT_REG_WRITE(MPP_CONTROL2, CONFIG_SYS_MPP_CONTROL_2);
- GT_REG_WRITE(MPP_CONTROL3, CONFIG_SYS_MPP_CONTROL_3);
-
- GT_REG_WRITE(GPP_LEVEL_CONTROL, CONFIG_SYS_GPP_LEVEL_CONTROL);
- GT_REG_WRITE(SERIAL_PORT_MULTIPLEX, CONFIG_SYS_SERIAL_PORT_MUX);
-
- return 0;
-}
-
-/* various things to do after relocation */
-
-int misc_init_r (void)
-{
- icache_enable();
-#ifdef CONFIG_SYS_L2
- l2cache_enable();
-#endif
-
-#ifdef CONFIG_MPSC
- mpsc_init2();
-#endif
-
-#ifdef CONFIG_ZUMA_V2
- zuma_mbox_init();
-#endif
- return (0);
-}
-
-void
-after_reloc(ulong dest_addr)
-{
- /* check to see if we booted from the sram. If so, move things
- * back to the way they should be. (we're running from main
- * memory at this point now */
-
- if (memoryGetDeviceBaseAddress(DEVICE0) == CONFIG_SYS_MONITOR_BASE) {
- memoryMapDeviceSpace(DEVICE0, CONFIG_SYS_DEV0_SPACE, CONFIG_SYS_DEV0_SIZE);
- memoryMapDeviceSpace(BOOT_DEVICE, CONFIG_SYS_FLASH_BASE, _1M);
- }
-
- /* now, jump to the main U-Boot board init code */
- board_init_r ((gd_t *)gd, dest_addr);
-
- /* NOTREACHED */
-}
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Check Board Identity:
- */
-
-int
-checkboard (void)
-{
- puts ("Board: " CONFIG_SYS_BOARD_NAME "\n");
- return (0);
-}
-
-/* utility functions */
-void
-debug_led(int led, int mode)
-{
-#if !defined(CONFIG_ZUMA_V2) && !defined(CONFIG_P3G4)
- volatile int *addr = NULL;
- __maybe_unused int dummy;
-
- if (mode == 1) {
- switch (led) {
- case 0:
- addr = (int *)((unsigned int)CONFIG_SYS_DEV1_SPACE | 0x08000);
- break;
-
- case 1:
- addr = (int *)((unsigned int)CONFIG_SYS_DEV1_SPACE | 0x0c000);
- break;
-
- case 2:
- addr = (int *)((unsigned int)CONFIG_SYS_DEV1_SPACE | 0x10000);
- break;
- }
- } else if (mode == 0) {
- switch (led) {
- case 0:
- addr = (int *)((unsigned int)CONFIG_SYS_DEV1_SPACE | 0x14000);
- break;
-
- case 1:
- addr = (int *)((unsigned int)CONFIG_SYS_DEV1_SPACE | 0x18000);
- break;
-
- case 2:
- addr = (int *)((unsigned int)CONFIG_SYS_DEV1_SPACE | 0x1c000);
- break;
- }
- }
- WRITE_CHAR(addr, 0);
- dummy = *addr;
-#endif /* CONFIG_ZUMA_V2 */
-}
-
-void
-display_mem_map(void)
-{
- int i,j;
- unsigned int base,size,width;
- /* SDRAM */
- printf("SDRAM\n");
- for(i=0;i<=BANK3;i++) {
- base = memoryGetBankBaseAddress(i);
- size = memoryGetBankSize(i);
- if(size !=0)
- {
- printf("BANK%d: base - 0x%08x\tsize - %dM bytes\n",i,base,size>>20);
- }
- }
-
- /* CPU's PCI windows */
- for(i=0;i<=PCI_HOST1;i++) {
- printf("\nCPU's PCI %d windows\n", i);
- base=pciGetSpaceBase(i,PCI_IO);
- size=pciGetSpaceSize(i,PCI_IO);
- printf(" IO: base - 0x%08x\tsize - %dM bytes\n",base,size>>20);
- for(j=0;j<=PCI_REGION3;j++) {
- base = pciGetSpaceBase(i,j);
- size = pciGetSpaceSize(i,j);
- printf("MEMORY %d: base - 0x%08x\tsize - %dM bytes\n",j,base,
- size>>20);
- }
- }
-
- /* Devices */
- printf("\nDEVICES\n");
- for(i=0;i<=DEVICE3;i++) {
- base = memoryGetDeviceBaseAddress(i);
- size = memoryGetDeviceSize(i);
- width= memoryGetDeviceWidth(i) * 8;
- printf("DEV %d: base - 0x%08x\tsize - %dM bytes\twidth - %d bits\n",
- i, base, size>>20, width);
- }
-
- /* Bootrom */
- base = memoryGetDeviceBaseAddress(BOOT_DEVICE); /* Boot */
- size = memoryGetDeviceSize(BOOT_DEVICE);
- width= memoryGetDeviceWidth(BOOT_DEVICE) * 8;
- printf(" BOOT: base - 0x%08x\tsize - %dM bytes\twidth - %d bits\n",
- base, size>>20, width);
-}
-
-int board_eth_init(bd_t *bis)
-{
- gt6426x_eth_initialize(bis);
- return 0;
-}
projects / karo-tx-uboot.git / blobdiff