| /* | 
 |  * Copyright 2007 | 
 |  * Robert Lazarski, Instituto Atlantico, robertlazarski@gmail.com | 
 |  * | 
 |  * Copyright 2007 Freescale Semiconductor, Inc. | 
 |  * | 
 |  * 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 <command.h> | 
 | #include <pci.h> | 
 | #include <asm/processor.h> | 
 | #include <asm/immap_85xx.h> | 
 | #include <asm/immap_fsl_pci.h> | 
 | #include <asm/io.h> | 
 | #include <spd.h> | 
 | #include <miiphy.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); | 
 | long int fixed_sdram(void); | 
 |  | 
 | int board_early_init_f (void) | 
 | { | 
 | 	return 0; | 
 | } | 
 |  | 
 | int checkboard (void) | 
 | { | 
 | 	volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); | 
 | 	volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); | 
 | 	volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR); | 
 |  | 
 | 	if ((uint)&gur->porpllsr != 0xe00e0000) { | 
 | 		printf("immap size error %x\n",&gur->porpllsr); | 
 | 	} | 
 | 	printf ("Board: ATUM8548\n"); | 
 |  | 
 | 	lbc->ltesr = 0xffffffff;	/* Clear LBC error interrupts */ | 
 | 	lbc->lteir = 0xffffffff;	/* Enable LBC error interrupts */ | 
 | 	ecm->eedr = 0xffffffff;		/* Clear ecm errors */ | 
 | 	ecm->eeer = 0xffffffff;		/* Enable ecm errors */ | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | #if !defined(CONFIG_SPD_EEPROM) | 
 | /************************************************************************* | 
 |  *  fixed sdram init -- doesn't use serial presence detect. | 
 |  ************************************************************************/ | 
 | long int fixed_sdram (void) | 
 | { | 
 | 	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_0 = CFG_DDR_TIMING_0; | 
 | 	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); | 
 | 	return CFG_SDRAM_SIZE * 1024 * 1024; | 
 | } | 
 | #endif	/* !defined(CONFIG_SPD_EEPROM) */ | 
 |  | 
 | long int | 
 | initdram(int board_type) | 
 | { | 
 | 	long dram_size = 0; | 
 |  | 
 | 	puts("Initializing\n"); | 
 |  | 
 | #if defined(CONFIG_SPD_EEPROM) | 
 | 	puts("spd_sdram\n"); | 
 | 	dram_size = spd_sdram (); | 
 | #else | 
 | 	puts("fixed_sdram\n"); | 
 | 	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 | 
 | 	puts("    DDR: "); | 
 | 	return dram_size; | 
 | } | 
 |  | 
 | #if defined(CFG_DRAM_TEST) | 
 | int | 
 | testdram(void) | 
 | { | 
 | 	uint *pstart = (uint *) CFG_MEMTEST_START; | 
 | 	uint *pend = (uint *) CFG_MEMTEST_END; | 
 | 	uint *p; | 
 |  | 
 | 	printf("Testing DRAM from 0x%08x to 0x%08x\n", | 
 | 	       CFG_MEMTEST_START, | 
 | 	       CFG_MEMTEST_END); | 
 |  | 
 | 	printf("DRAM test phase 1:\n"); | 
 | 	for (p = pstart; p < pend; p++) { | 
 | 		printf ("DRAM test attempting to write 0xaaaaaaaa at: %08x\n", (uint) p); | 
 | 		*p = 0xaaaaaaaa; | 
 | 	} | 
 |  | 
 | 	for (p = pstart; p < pend; p++) { | 
 | 		if (*p != 0xaaaaaaaa) { | 
 | 			printf ("DRAM test fails at: %08x\n", (uint) p); | 
 | 			return 1; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	printf("DRAM test phase 2:\n"); | 
 | 	for (p = pstart; p < pend; p++) | 
 | 		*p = 0x55555555; | 
 |  | 
 | 	for (p = pstart; p < pend; p++) { | 
 | 		if (*p != 0x55555555) { | 
 | 			printf ("DRAM test fails at: %08x\n", (uint) p); | 
 | 			return 1; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	printf("DRAM test passed.\n"); | 
 | 	return 0; | 
 | } | 
 | #endif | 
 |  | 
 | #ifdef CONFIG_PCI1 | 
 | static struct pci_controller pci1_hose; | 
 | #endif | 
 |  | 
 | #ifdef CONFIG_PCI2 | 
 | static struct pci_controller pci2_hose; | 
 | #endif | 
 |  | 
 | #ifdef CONFIG_PCIE1 | 
 | static struct pci_controller pcie1_hose; | 
 | #endif | 
 |  | 
 | int first_free_busno=0; | 
 |  | 
 | void | 
 | pci_init_board(void) | 
 | { | 
 | 	volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); | 
 |  | 
 | 	uint devdisr = gur->devdisr; | 
 | 	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; | 
 | 	uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; | 
 |  | 
 | 	debug ("   pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n", | 
 | 		devdisr, io_sel, host_agent); | 
 |  | 
 | 	/* explicitly set 'Clock out select register' to echo SYSCLK input to our CPLD */ | 
 | 	gur->clkocr  |= MPC85xx_ATUM_CLKOCR; | 
 |  | 
 | 	if (io_sel & 1) { | 
 | 		if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS)) | 
 | 			printf ("    eTSEC1 is in sgmii mode.\n"); | 
 | 		if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS)) | 
 | 			printf ("    eTSEC2 is in sgmii mode.\n"); | 
 | 		if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS)) | 
 | 			printf ("    eTSEC3 is in sgmii mode.\n"); | 
 | 		if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS)) | 
 | 			printf ("    eTSEC4 is in sgmii mode.\n"); | 
 | 	} | 
 |  | 
 | #ifdef CONFIG_PCIE1 | 
 |  { | 
 | 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR; | 
 | 	extern void fsl_pci_init(struct pci_controller *hose); | 
 | 	struct pci_controller *hose = &pcie1_hose; | 
 | 	int pcie_ep = (host_agent == 5); | 
 | 	int pcie_configured  = io_sel & 6; | 
 |  | 
 | 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){ | 
 | 		printf ("\n    PCIE1 connected to slot as %s (base address %x)", | 
 | 			pcie_ep ? "End Point" : "Root Complex", | 
 | 			(uint)pci); | 
 | 		if (pci->pme_msg_det) { | 
 | 			pci->pme_msg_det = 0xffffffff; | 
 | 			debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det); | 
 | 		} | 
 | 		printf ("\n"); | 
 |  | 
 | 		/* inbound */ | 
 | 		pci_set_region(hose->regions + 0, | 
 | 			       CFG_PCI_MEMORY_BUS, | 
 | 			       CFG_PCI_MEMORY_PHYS, | 
 | 			       CFG_PCI_MEMORY_SIZE, | 
 | 			       PCI_REGION_MEM | PCI_REGION_MEMORY); | 
 |  | 
 | 		/* outbound memory */ | 
 | 		pci_set_region(hose->regions + 1, | 
 | 			       CFG_PCIE1_MEM_BASE, | 
 | 			       CFG_PCIE1_MEM_PHYS, | 
 | 			       CFG_PCIE1_MEM_SIZE, | 
 | 			       PCI_REGION_MEM); | 
 |  | 
 | 		/* outbound io */ | 
 | 		pci_set_region(hose->regions + 2, | 
 | 			       CFG_PCIE1_IO_BASE, | 
 | 			       CFG_PCIE1_IO_PHYS, | 
 | 			       CFG_PCIE1_IO_SIZE, | 
 | 			       PCI_REGION_IO); | 
 |  | 
 | 		hose->region_count = 3; | 
 | #ifdef CFG_PCIE1_MEM_BASE2 | 
 | 		/* outbound memory */ | 
 | 		pci_set_region(hose->regions + 3, | 
 | 			       CFG_PCIE1_MEM_BASE2, | 
 | 			       CFG_PCIE1_MEM_PHYS2, | 
 | 			       CFG_PCIE1_MEM_SIZE2, | 
 | 			       PCI_REGION_MEM); | 
 | 		hose->region_count++; | 
 | #endif | 
 | 		hose->first_busno=first_free_busno; | 
 |  | 
 | 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); | 
 |  | 
 | 		fsl_pci_init(hose); | 
 |  | 
 | 		first_free_busno=hose->last_busno+1; | 
 | 		printf("    PCIE1 on bus %02x - %02x\n", | 
 | 		       hose->first_busno,hose->last_busno); | 
 |  | 
 | 	} else { | 
 | 		printf ("    PCIE1: disabled\n"); | 
 | 	} | 
 |  | 
 |  } | 
 | #else | 
 | 	gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */ | 
 | #endif | 
 |  | 
 | #ifdef CONFIG_PCI1 | 
 | { | 
 | 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR; | 
 | 	extern void fsl_pci_init(struct pci_controller *hose); | 
 | 	struct pci_controller *hose = &pci1_hose; | 
 |  | 
 | 	uint pci_agent = (host_agent == 6); | 
 | 	uint pci_speed = 33333000; /*get_clock_freq (); PCI PSPEED in [4:5] */ | 
 | 	uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32;	/* PORDEVSR[15] */ | 
 | 	uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;	/* PORDEVSR[14] */ | 
 | 	uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;	/* PORPLLSR[16] */ | 
 |  | 
 | 	if (!(devdisr & MPC85xx_DEVDISR_PCI1)) { | 
 | 		printf ("\n    PCI1: %d bit, %s MHz, %s, %s, %s (base address %x)\n", | 
 | 			(pci_32) ? 32 : 64, | 
 | 			(pci_speed == 33333000) ? "33" : | 
 | 			(pci_speed == 66666000) ? "66" : "unknown", | 
 | 			pci_clk_sel ? "sync" : "async", | 
 | 			pci_agent ? "agent" : "host", | 
 | 			pci_arb ? "arbiter" : "external-arbiter", | 
 | 			(uint)pci | 
 | 			); | 
 |  | 
 | 		/* inbound */ | 
 | 		pci_set_region(hose->regions + 0, | 
 | 			       CFG_PCI_MEMORY_BUS, | 
 | 			       CFG_PCI_MEMORY_PHYS, | 
 | 			       CFG_PCI_MEMORY_SIZE, | 
 | 			       PCI_REGION_MEM | PCI_REGION_MEMORY); | 
 |  | 
 | 		/* outbound memory */ | 
 | 		pci_set_region(hose->regions + 1, | 
 | 			       CFG_PCI1_MEM_BASE, | 
 | 			       CFG_PCI1_MEM_PHYS, | 
 | 			       CFG_PCI1_MEM_SIZE, | 
 | 			       PCI_REGION_MEM); | 
 |  | 
 | 		/* outbound io */ | 
 | 		pci_set_region(hose->regions + 2, | 
 | 			       CFG_PCI1_IO_BASE, | 
 | 			       CFG_PCI1_IO_PHYS, | 
 | 			       CFG_PCI1_IO_SIZE, | 
 | 			       PCI_REGION_IO); | 
 | 		hose->region_count = 3; | 
 | 		hose->first_busno=first_free_busno; | 
 | 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); | 
 |  | 
 | 		fsl_pci_init(hose); | 
 | 		first_free_busno=hose->last_busno+1; | 
 | 		printf ("PCI1 on bus %02x - %02x\n", | 
 | 			hose->first_busno,hose->last_busno); | 
 | 	} else { | 
 | 		printf ("    PCI1: disabled\n"); | 
 | 	} | 
 | } | 
 | #else | 
 | 	gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */ | 
 | #endif | 
 |  | 
 | #ifdef CONFIG_PCI2 | 
 | { | 
 | 	volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR; | 
 | 	extern void fsl_pci_init(struct pci_controller *hose); | 
 | 	struct pci_controller *hose = &pci2_hose; | 
 |  | 
 | 	if (!(devdisr & MPC85xx_DEVDISR_PCI2)) { | 
 | 		pci_set_region(hose->regions + 0, | 
 | 			       CFG_PCI_MEMORY_BUS, | 
 | 			       CFG_PCI_MEMORY_PHYS, | 
 | 			       CFG_PCI_MEMORY_SIZE, | 
 | 			       PCI_REGION_MEM | PCI_REGION_MEMORY); | 
 |  | 
 | 		pci_set_region(hose->regions + 1, | 
 | 			       CFG_PCI2_MEM_BASE, | 
 | 			       CFG_PCI2_MEM_PHYS, | 
 | 			       CFG_PCI2_MEM_SIZE, | 
 | 			       PCI_REGION_MEM); | 
 |  | 
 | 		pci_set_region(hose->regions + 2, | 
 | 			       CFG_PCI2_IO_BASE, | 
 | 			       CFG_PCI2_IO_PHYS, | 
 | 			       CFG_PCI2_IO_SIZE, | 
 | 			       PCI_REGION_IO); | 
 | 		hose->region_count = 3; | 
 | 		hose->first_busno=first_free_busno; | 
 | 		pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); | 
 |  | 
 | 		fsl_pci_init(hose); | 
 | 		first_free_busno=hose->last_busno+1; | 
 | 		printf ("PCI2 on bus %02x - %02x\n", | 
 | 			hose->first_busno,hose->last_busno); | 
 | 	} else { | 
 | 		printf ("    PCI2: disabled\n"); | 
 | 	} | 
 | } | 
 | #else | 
 | 	gur->devdisr |= MPC85xx_DEVDISR_PCI2; | 
 | #endif | 
 | } | 
 |  | 
 |  | 
 | int last_stage_init(void) | 
 | { | 
 | 	int ic = icache_status (); | 
 | 	printf ("icache_status: %d\n", ic); | 
 | 	return 0; | 
 | } | 
 |  | 
 | #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_PCI1 | 
 | 		path = fdt_getprop(blob, node, "pci0", NULL); | 
 | 		if (path) { | 
 | 			tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno; | 
 | 			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); | 
 | 		} | 
 | #endif | 
 | #ifdef CONFIG_PCI2 | 
 | 		path = fdt_getprop(blob, node, "pci1", NULL); | 
 | 		if (path) { | 
 | 			tmp[1] = pci2_hose.last_busno - pci2_hose.first_busno; | 
 | 			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); | 
 | 		} | 
 | #endif | 
 | #ifdef CONFIG_PCIE1 | 
 | 		path = fdt_getprop(blob, node, "pci2", NULL); | 
 | 		if (path) { | 
 | 			tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno; | 
 | 			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); | 
 | 		} | 
 | #endif | 
 | 	} | 
 | } | 
 | #endif |