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authorKumar Gala <galak@kernel.crashing.org>2007-11-29 10:16:18 -0600
committerKumar Gala <galak@kernel.crashing.org>2007-12-11 22:34:20 -0600
commitc2d943ffbfd3359b3b45d177b437379d2cb86fbf (patch)
tree689e92672dafad5bacc6483059ebb30b75f07659 /board/mpc8540ads/mpc8540ads.c
parent870ceac5b3a3486c109396e005af81ae762b5710 (diff)
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Move the MPC8540 ADS board under board/freescale.
Minor path corrections needed to ensure buildability. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'board/mpc8540ads/mpc8540ads.c')
-rw-r--r--board/mpc8540ads/mpc8540ads.c348
1 files changed, 0 insertions, 348 deletions
diff --git a/board/mpc8540ads/mpc8540ads.c b/board/mpc8540ads/mpc8540ads.c
deleted file mode 100644
index 35f5eea..0000000
--- a/board/mpc8540ads/mpc8540ads.c
+++ /dev/null
@@ -1,348 +0,0 @@
- /*
- * Copyright 2004 Freescale Semiconductor.
- * (C) Copyright 2002,2003, Motorola Inc.
- * Xianghua Xiao, (X.Xiao@motorola.com)
- *
- * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-
-#include <common.h>
-#include <pci.h>
-#include <asm/processor.h>
-#include <asm/immap_85xx.h>
-#include <spd.h>
-#include <libfdt.h>
-#include <fdt_support.h>
-
-#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
-extern void ddr_enable_ecc(unsigned int dram_size);
-#endif
-
-extern long int spd_sdram(void);
-
-void local_bus_init(void);
-void sdram_init(void);
-long int fixed_sdram(void);
-
-
-int board_early_init_f (void)
-{
- return 0;
-}
-
-int checkboard (void)
-{
- puts("Board: ADS\n");
-
-#ifdef CONFIG_PCI
- printf(" PCI1: 32 bit, %d MHz (compiled)\n",
- CONFIG_SYS_CLK_FREQ / 1000000);
-#else
- printf(" PCI1: disabled\n");
-#endif
-
- /*
- * Initialize local bus.
- */
- local_bus_init();
-
- return 0;
-}
-
-
-long int
-initdram(int board_type)
-{
- long dram_size = 0;
- extern long spd_sdram (void);
-
- puts("Initializing\n");
-
-#if defined(CONFIG_DDR_DLL)
- {
- volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
- uint temp_ddrdll = 0;
-
- /*
- * Work around to stabilize DDR DLL
- */
- temp_ddrdll = gur->ddrdllcr;
- gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
- asm("sync;isync;msync");
- }
-#endif
-
-#if defined(CONFIG_SPD_EEPROM)
- dram_size = spd_sdram ();
-#else
- dram_size = fixed_sdram ();
-#endif
-
-#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
- /*
- * Initialize and enable DDR ECC.
- */
- ddr_enable_ecc(dram_size);
-#endif
-
- /*
- * Initialize SDRAM.
- */
- sdram_init();
-
- puts(" DDR: ");
- return dram_size;
-}
-
-
-/*
- * Initialize Local Bus
- */
-
-void
-local_bus_init(void)
-{
- volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
- volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
-
- uint clkdiv;
- uint lbc_hz;
- sys_info_t sysinfo;
-
- /*
- * Errata LBC11.
- * Fix Local Bus clock glitch when DLL is enabled.
- *
- * If localbus freq is < 66Mhz, DLL bypass mode must be used.
- * If localbus freq is > 133Mhz, DLL can be safely enabled.
- * Between 66 and 133, the DLL is enabled with an override workaround.
- */
-
- get_sys_info(&sysinfo);
- clkdiv = lbc->lcrr & 0x0f;
- lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
-
- if (lbc_hz < 66) {
- lbc->lcrr = CFG_LBC_LCRR | 0x80000000; /* DLL Bypass */
-
- } else if (lbc_hz >= 133) {
- lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
-
- } else {
- /*
- * On REV1 boards, need to change CLKDIV before enable DLL.
- * Default CLKDIV is 8, change it to 4 temporarily.
- */
- uint pvr = get_pvr();
- uint temp_lbcdll = 0;
-
- if (pvr == PVR_85xx_REV1) {
- /* FIXME: Justify the high bit here. */
- lbc->lcrr = 0x10000004;
- }
-
- lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
- udelay(200);
-
- /*
- * Sample LBC DLL ctrl reg, upshift it to set the
- * override bits.
- */
- temp_lbcdll = gur->lbcdllcr;
- gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
- asm("sync;isync;msync");
- }
-}
-
-
-/*
- * Initialize SDRAM memory on the Local Bus.
- */
-
-void
-sdram_init(void)
-{
- volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
- uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
-
- puts(" SDRAM: ");
- print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
-
- /*
- * Setup SDRAM Base and Option Registers
- */
- lbc->or2 = CFG_OR2_PRELIM;
- lbc->br2 = CFG_BR2_PRELIM;
- lbc->lbcr = CFG_LBC_LBCR;
- asm("msync");
-
- lbc->lsrt = CFG_LBC_LSRT;
- lbc->mrtpr = CFG_LBC_MRTPR;
- asm("sync");
-
- /*
- * Configure the SDRAM controller.
- */
- lbc->lsdmr = CFG_LBC_LSDMR_1;
- asm("sync");
- *sdram_addr = 0xff;
- ppcDcbf((unsigned long) sdram_addr);
- udelay(100);
-
- lbc->lsdmr = CFG_LBC_LSDMR_2;
- asm("sync");
- *sdram_addr = 0xff;
- ppcDcbf((unsigned long) sdram_addr);
- udelay(100);
-
- lbc->lsdmr = CFG_LBC_LSDMR_3;
- asm("sync");
- *sdram_addr = 0xff;
- ppcDcbf((unsigned long) sdram_addr);
- udelay(100);
-
- lbc->lsdmr = CFG_LBC_LSDMR_4;
- asm("sync");
- *sdram_addr = 0xff;
- ppcDcbf((unsigned long) sdram_addr);
- udelay(100);
-
- lbc->lsdmr = CFG_LBC_LSDMR_5;
- asm("sync");
- *sdram_addr = 0xff;
- ppcDcbf((unsigned long) sdram_addr);
- udelay(100);
-}
-
-
-#if defined(CFG_DRAM_TEST)
-int testdram (void)
-{
- uint *pstart = (uint *) CFG_MEMTEST_START;
- uint *pend = (uint *) CFG_MEMTEST_END;
- uint *p;
-
- printf("SDRAM test phase 1:\n");
- for (p = pstart; p < pend; p++)
- *p = 0xaaaaaaaa;
-
- for (p = pstart; p < pend; p++) {
- if (*p != 0xaaaaaaaa) {
- printf ("SDRAM test fails at: %08x\n", (uint) p);
- return 1;
- }
- }
-
- printf("SDRAM test phase 2:\n");
- for (p = pstart; p < pend; p++)
- *p = 0x55555555;
-
- for (p = pstart; p < pend; p++) {
- if (*p != 0x55555555) {
- printf ("SDRAM test fails at: %08x\n", (uint) p);
- return 1;
- }
- }
-
- printf("SDRAM test passed.\n");
- return 0;
-}
-#endif
-
-
-#if !defined(CONFIG_SPD_EEPROM)
-/*************************************************************************
- * fixed sdram init -- doesn't use serial presence detect.
- ************************************************************************/
-long int fixed_sdram (void)
-{
- #ifndef CFG_RAMBOOT
- volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR);
-
- ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
- ddr->cs0_config = CFG_DDR_CS0_CONFIG;
- ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
- ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
- ddr->sdram_mode = CFG_DDR_MODE;
- ddr->sdram_interval = CFG_DDR_INTERVAL;
- #if defined (CONFIG_DDR_ECC)
- ddr->err_disable = 0x0000000D;
- ddr->err_sbe = 0x00ff0000;
- #endif
- asm("sync;isync;msync");
- udelay(500);
- #if defined (CONFIG_DDR_ECC)
- /* Enable ECC checking */
- ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
- #else
- ddr->sdram_cfg = CFG_DDR_CONTROL;
- #endif
- asm("sync; isync; msync");
- udelay(500);
- #endif
- return CFG_SDRAM_SIZE * 1024 * 1024;
-}
-#endif /* !defined(CONFIG_SPD_EEPROM) */
-
-
-#if defined(CONFIG_PCI)
-/*
- * Initialize PCI Devices, report devices found.
- */
-
-
-static struct pci_controller hose;
-
-#endif /* CONFIG_PCI */
-
-
-void
-pci_init_board(void)
-{
-#ifdef CONFIG_PCI
- pci_mpc85xx_init(&hose);
-#endif /* CONFIG_PCI */
-}
-
-
-#if defined(CONFIG_OF_BOARD_SETUP)
-void
-ft_board_setup(void *blob, bd_t *bd)
-{
- int node, tmp[2];
- const char *path;
-
- ft_cpu_setup(blob, bd);
-
- node = fdt_path_offset(blob, "/aliases");
- tmp[0] = 0;
- if (node >= 0) {
-#ifdef CONFIG_PCI
- path = fdt_getprop(blob, node, "pci0", NULL);
- if (path) {
- tmp[1] = hose.last_busno - hose.first_busno;
- do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
- }
-#endif
- }
-}
-#endif