Exemplo n.º 1
0
int board_early_init_r(void)
{
	/* Initialize PCA9557 devices */
	pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
	pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
	pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0);
	pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0);

	/*
	 * Remap NOR flash region to caching-inhibited
	 * so that flash can be erased/programmed properly.
	 */

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	/* Invalidate existing TLB entry for NOR flash */
	disable_tlb(0);
	set_tlb(1, (CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
		(CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		0, 0, BOOKE_PAGESZ_256M, 1);

	flash_cs_fixup();

	return 0;
}
Exemplo n.º 2
0
int board_early_init_r(void)
{
	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);

	/*
	 * Remap Boot flash + PROMJET region to caching-inhibited
	 * so that flash can be erased properly.
	 */

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	/* invalidate existing TLB entry for flash + promjet */
	disable_tlb(flash_esel);

	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,	/* tlb, epn, rpn */
			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
			0, flash_esel, BOOKE_PAGESZ_256M, 1);	/* ts, esel, tsize, iprot */

	set_liodns();
	setup_portals();

	return 0;
}
Exemplo n.º 3
0
/* invalid the TLBs for DDR and setup new ones to cover p_addr */
static int reset_tlb(phys_addr_t p_addr, u32 size, phys_addr_t *phys_offset)
{
	u32 vstart = CONFIG_SYS_DDR_SDRAM_BASE;
	unsigned long epn;
	u32 tsize, valid, ptr;
	phys_addr_t rpn = 0;
	int ddr_esel;

	ptr = vstart;

	while (ptr < (vstart + size)) {
		ddr_esel = find_tlb_idx((void *)ptr, 1);
		if (ddr_esel != -1) {
			read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn);
			disable_tlb(ddr_esel);
		}
		ptr += TSIZE_TO_BYTES(tsize);
	}

	/* Setup new tlb to cover the physical address */
	setup_ddr_tlbs_phys(p_addr, size>>20);

	ptr = vstart;
	ddr_esel = find_tlb_idx((void *)ptr, 1);
	if (ddr_esel != -1) {
		read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, phys_offset);
	} else {
		printf("TLB error in function %s\n", __func__);
		return -1;
	}

	return 0;
}
Exemplo n.º 4
0
int board_early_init_r(void)
{
#ifndef CONFIG_SDCARD
	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);

	/*
	 * Remap Boot flash region to caching-inhibited
	 * so that flash can be erased properly.
	 */

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	/* invalidate existing TLB entry for flash */
	disable_tlb(flash_esel);

	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
			0, flash_esel, BOOKE_PAGESZ_16M, 1);

	set_tlb(1, flashbase + 0x1000000,
			CONFIG_SYS_FLASH_BASE_PHYS + 0x1000000,
			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
			0, flash_esel+1, BOOKE_PAGESZ_16M, 1);
#endif
	return 0;
}
Exemplo n.º 5
0
/* invalid TLBs for DDR and remap as normal after testing */
int arch_memory_test_cleanup(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
{
	unsigned long epn;
	u32 tsize, valid, ptr;
	phys_addr_t rpn = 0;
	int ddr_esel;

	/* disable the TLBs for this testing */
	ptr = *vstart;

	while (ptr < (*vstart) + (*size)) {
		ddr_esel = find_tlb_idx((void *)ptr, 1);
		if (ddr_esel != -1) {
			read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn);
			disable_tlb(ddr_esel);
		}
		ptr += TSIZE_TO_BYTES(tsize);
	}

	puts("Remap DDR ");
	setup_ddr_tlbs(gd->ram_size>>20);
	puts("\n");

	return 0;
}
Exemplo n.º 6
0
void init_tlbs(void)
{
	phys_size_t ram_size;

	/*
	 * Create a temporary AS=1 map for the fdt
	 *
	 * We use ESEL=0 here to overwrite the previous AS=0 map for ourselves
	 * which was only 4k big. This way we don't have to clear any other maps.
	 */
	map_fdt_as(0);

	/* Fetch RAM size from the fdt */
	ram_size = get_linear_ram_size();

	/* And remove our fdt map again */
	disable_tlb(0);

	/* Create an internal map of manually created TLB maps */
	init_used_tlb_cams();

	/* Create a dynamic AS=0 CCSRBAR mapping */
	assert(!tlb_map_range(CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
			      1024 * 1024, TLB_MAP_IO));

	/* Create a RAM map that spans all accessible RAM */
	setup_ddr_tlbs(ram_size >> 20);

	/* Create a map for the TLB */
	assert(!tlb_map_range((ulong)get_fdt_virt(), get_fdt_phys(),
			      1024 * 1024, TLB_MAP_RAM));
}
Exemplo n.º 7
0
int board_early_init_r(void)
{
	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);

	/*
	 * Remap Boot flash + PROMJET region to caching-inhibited
	 * so that flash can be erased properly.
	 */

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	/* invalidate existing TLB entry for flash + promjet */
	disable_tlb(flash_esel);

	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		0, flash_esel, BOOKE_PAGESZ_256M, 1);

	set_liodns();
#ifdef CONFIG_SYS_DPAA_QBMAN
	setup_portals();
#endif

	/* Disable remote I2C connection to qixis fpga */
	QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE);

	brd_mux_lane_to_slot();
	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);

	return 0;
}
Exemplo n.º 8
0
int board_early_init_r(void)
{
	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);

	/*
	 * Remap Boot flash + PROMJET region to caching-inhibited
	 * so that flash can be erased properly.
	 */

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	/* invalidate existing TLB entry for flash */
	disable_tlb(flash_esel);

	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
		MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		0, flash_esel, BOOKE_PAGESZ_256M, 1);

	set_liodns();
#ifdef CONFIG_SYS_DPAA_QBMAN
	setup_portals();
#endif

	return 0;
}
Exemplo n.º 9
0
int board_early_init_r(void)
{
	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
	int flash_esel = find_tlb_idx((void *)flashbase, 1);

	/*
	 * Remap Boot flash + PROMJET region to caching-inhibited
	 * so that flash can be erased properly.
	 */

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	if (flash_esel == -1) {
		/* very unlikely unless something is messed up */
		puts("Error: Could not find TLB for FLASH BASE\n");
		flash_esel = 2; /* give our best effort to continue */
	} else {
		/* invalidate existing TLB entry for flash + promjet */
		disable_tlb(flash_esel);
	}

	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,	/* tlb, epn, rpn */
			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
			0, flash_esel, BOOKE_PAGESZ_256M, 1);	/* ts, esel, tsize, iprot */

	return 0;
}
Exemplo n.º 10
0
int board_early_init_r(void)
{
	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
	int flash_esel = find_tlb_idx((void *)flashbase, 1);
	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	unsigned int orig_bus = i2c_get_bus_num();
	u8 i2c_data;

	i2c_set_bus_num(1);
	if (i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 0,
		1, &i2c_data, sizeof(i2c_data)) == 0) {
		if (i2c_data & 0x2)
			puts("NOR Flash Bank : Secondary\n");
		else
			puts("NOR Flash Bank : Primary\n");

		if (i2c_data & 0x1) {
			setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
			puts("SD/MMC : 8-bit Mode\n");
			puts("eSPI : Disabled\n");
		} else {
			puts("SD/MMC : 4-bit Mode\n");
			puts("eSPI : Enabled\n");
		}
	} else {
		puts("Failed reading I2C Chip 0x18 on bus 1\n");
	}
	i2c_set_bus_num(orig_bus);

	/*
	 * Remap Boot flash region to caching-inhibited
	 * so that flash can be erased properly.
	 */

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	if (flash_esel == -1) {
		/* very unlikely unless something is messed up */
		puts("Error: Could not find TLB for FLASH BASE\n");
		flash_esel = 2;	/* give our best effort to continue */
	} else {
		/* invalidate existing TLB entry for flash */
		disable_tlb(flash_esel);
	}

	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
			0, flash_esel, BOOKE_PAGESZ_16M, 1);
	rtc_reset();
	return 0;
}
Exemplo n.º 11
0
uint64_t get_phys_ccsrbar_addr_early(void)
{
	void *fdt = get_fdt_virt();
	uint64_t r;

	/*
	 * To be able to read the FDT we need to create a temporary TLB
	 * map for it.
	 */
	map_fdt_as(10);
	r = fdt_get_base_address(fdt, fdt_path_offset(fdt, "/soc"));
	disable_tlb(10);

	return r;
}
Exemplo n.º 12
0
int board_early_init_r(void)
{
	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
	int flash_esel = find_tlb_idx((void *)flashbase, 1);

	/*
	 * Remap Boot flash + PROMJET region to caching-inhibited
	 * so that flash can be erased properly.
	 */

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	if (flash_esel == -1) {
		/* very unlikely unless something is messed up */
		puts("Error: Could not find TLB for FLASH BASE\n");
		flash_esel = 2;	/* give our best effort to continue */
	} else {
		/* invalidate existing TLB entry for flash + promjet */
		disable_tlb(flash_esel);
	}

	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		0, flash_esel, BOOKE_PAGESZ_256M, 1);

	/* Disable remote I2C connection to qixis fpga */
	QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE);

	/*
	 * Adjust core voltage according to voltage ID
	 * This function changes I2C mux to channel 2.
	 */
	if (adjust_vdd(0))
		printf("Warning: Adjusting core voltage failed.\n");

	brd_mux_lane_to_slot();
	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);

	return 0;
}
Exemplo n.º 13
0
int board_early_init_r(void)
{
	const unsigned int flashbase = CONFIG_SYS_NAND_BASE;
	const u8 flash_esel = 0;

	/*
	 * Remap Boot flash to caching-inhibited
	 * so that flash can be erased properly.
	 */

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	/* invalidate existing TLB entry for flash */
	disable_tlb(flash_esel);

	set_tlb(1, flashbase, CONFIG_SYS_NAND_BASE,	/* tlb, epn, rpn */
		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
		0, flash_esel,				/* ts, esel */
		BOOKE_PAGESZ_64M, 1);			/* tsize, iprot */

	return 0;
}
Exemplo n.º 14
0
/* We run cpu_init_early_f in AS = 1 */
void cpu_init_early_f(void)
{
	u32 mas0, mas1, mas2, mas3, mas7;
	int i;
#ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549
	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
#endif
#if defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) && !defined(CONFIG_SYS_RAMBOOT)
	ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
	u32  *l2srbar, *dst, *src;
	void (*setup_ifc_sram)(void);
#endif

	/* Pointer is writable since we allocated a register for it */
	gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);

	/*
	 * Clear initial global data
	 *   we don't use memset so we can share this code with NAND_SPL
	 */
	for (i = 0; i < sizeof(gd_t); i++)
		((char *)gd)[i] = 0;

	mas0 = MAS0_TLBSEL(1) | MAS0_ESEL(13);
	mas1 = MAS1_VALID | MAS1_TID(0) | MAS1_TS | MAS1_TSIZE(BOOKE_PAGESZ_1M);
	mas2 = FSL_BOOKE_MAS2(CONFIG_SYS_CCSRBAR, MAS2_I|MAS2_G);
	mas3 = FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_PHYS, 0, MAS3_SW|MAS3_SR);
	mas7 = FSL_BOOKE_MAS7(CONFIG_SYS_CCSRBAR_PHYS);

	write_tlb(mas0, mas1, mas2, mas3, mas7);

/*
 * Work Around for IFC Erratum A-003549. This issue is P1010
 * specific. LCLK(a free running clk signal) is muxed with IFC_CS3 on P1010 SOC
 * Hence specifically selecting CS3.
 */
#ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549
	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_LCLK_IFC_CS3);
#endif

	init_laws();

/*
 * Work Around for IFC Erratum A003399, issue will hit only when execution
 * from NOR Flash
 */
#if defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) && !defined(CONFIG_SYS_RAMBOOT)
#define SRAM_BASE_ADDR	(0x00000000)
	/* TLB for SRAM */
	mas0 = MAS0_TLBSEL(1) | MAS0_ESEL(9);
	mas1 = MAS1_VALID | MAS1_TID(0) | MAS1_TS |
		MAS1_TSIZE(BOOKE_PAGESZ_1M);
	mas2 = FSL_BOOKE_MAS2(SRAM_BASE_ADDR, MAS2_I);
	mas3 = FSL_BOOKE_MAS3(SRAM_BASE_ADDR, 0, MAS3_SX|MAS3_SW|MAS3_SR);
	mas7 = FSL_BOOKE_MAS7(0);

	write_tlb(mas0, mas1, mas2, mas3, mas7);

	out_be32(&l2cache->l2srbar0, SRAM_BASE_ADDR);

	out_be32(&l2cache->l2errdis,
		(MPC85xx_L2ERRDIS_MBECC | MPC85xx_L2ERRDIS_SBECC));

	out_be32(&l2cache->l2ctl,
		(MPC85xx_L2CTL_L2E | MPC85xx_L2CTL_L2SRAM_ENTIRE));

	/*
	 * Copy the code in setup_ifc to L2SRAM. Do a word copy
	 * because NOR Flash on P1010 does not support byte
	 * access (Erratum IFC-A002769)
	 */
	setup_ifc_sram = (void *)SRAM_BASE_ADDR;
	dst = (u32 *) SRAM_BASE_ADDR;
	src = (u32 *) setup_ifc;
	for (i = 0; i < 1024; i++)
		*l2srbar++ = *src++;

	setup_ifc_sram();

	/* CLEANUP */
	clrbits_be32(&l2cache->l2ctl,
			(MPC85xx_L2CTL_L2E |
			 MPC85xx_L2CTL_L2SRAM_ENTIRE));
	out_be32(&l2cache->l2srbar0, 0x0);
#endif

	invalidate_tlb(1);

#if defined(CONFIG_SECURE_BOOT)
	/* Disable the TLBs created by ISBC */
	for (i = CONFIG_SYS_ISBC_START_TLB;
	     i < CONFIG_SYS_ISBC_START_TLB + CONFIG_SYS_ISBC_NUM_TLBS; i++)
			disable_tlb(i);
#endif

	init_tlbs();
}
Exemplo n.º 15
0
/* We run cpu_init_early_f in AS = 1 */
void cpu_init_early_f(void *fdt)
{
	u32 mas0, mas1, mas2, mas3, mas7;
	int i;
#ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549
	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
#endif
#ifdef CONFIG_A003399_NOR_WORKAROUND
	ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
	u32  *dst, *src;
	void (*setup_ifc_sram)(void);
#endif

	/* Pointer is writable since we allocated a register for it */
	gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);

	/*
	 * Clear initial global data
	 *   we don't use memset so we can share this code with NAND_SPL
	 */
	for (i = 0; i < sizeof(gd_t); i++)
		((char *)gd)[i] = 0;

#ifdef CONFIG_QEMU_E500
	/*
	 * CONFIG_SYS_CCSRBAR_PHYS below may use gd->fdt_blob on ePAPR systems,
	 * so we need to populate it before it accesses it.
	 */
	gd->fdt_blob = fdt;
#endif

	mas0 = MAS0_TLBSEL(1) | MAS0_ESEL(13);
	mas1 = MAS1_VALID | MAS1_TID(0) | MAS1_TS | MAS1_TSIZE(BOOKE_PAGESZ_1M);
	mas2 = FSL_BOOKE_MAS2(CONFIG_SYS_CCSRBAR, MAS2_I|MAS2_G);
	mas3 = FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_PHYS, 0, MAS3_SW|MAS3_SR);
	mas7 = FSL_BOOKE_MAS7(CONFIG_SYS_CCSRBAR_PHYS);

	write_tlb(mas0, mas1, mas2, mas3, mas7);

/*
 * Work Around for IFC Erratum A-003549. This issue is P1010
 * specific. LCLK(a free running clk signal) is muxed with IFC_CS3 on P1010 SOC
 * Hence specifically selecting CS3.
 */
#ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549
	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_LCLK_IFC_CS3);
#endif

	init_laws();

/*
 * Work Around for IFC Erratum A003399, issue will hit only when execution
 * from NOR Flash
 */
#ifdef CONFIG_A003399_NOR_WORKAROUND
#define SRAM_BASE_ADDR	(0x00000000)
	/* TLB for SRAM */
	mas0 = MAS0_TLBSEL(1) | MAS0_ESEL(9);
	mas1 = MAS1_VALID | MAS1_TID(0) | MAS1_TS |
		MAS1_TSIZE(BOOKE_PAGESZ_1M);
	mas2 = FSL_BOOKE_MAS2(SRAM_BASE_ADDR, MAS2_I);
	mas3 = FSL_BOOKE_MAS3(SRAM_BASE_ADDR, 0, MAS3_SX|MAS3_SW|MAS3_SR);
	mas7 = FSL_BOOKE_MAS7(0);

	write_tlb(mas0, mas1, mas2, mas3, mas7);

	out_be32(&l2cache->l2srbar0, SRAM_BASE_ADDR);

	out_be32(&l2cache->l2errdis,
		(MPC85xx_L2ERRDIS_MBECC | MPC85xx_L2ERRDIS_SBECC));

	out_be32(&l2cache->l2ctl,
		(MPC85xx_L2CTL_L2E | MPC85xx_L2CTL_L2SRAM_ENTIRE));

	/*
	 * Copy the code in setup_ifc to L2SRAM. Do a word copy
	 * because NOR Flash on P1010 does not support byte
	 * access (Erratum IFC-A002769)
	 */
	setup_ifc_sram = (void *)SRAM_BASE_ADDR;
	dst = (u32 *) SRAM_BASE_ADDR;
	src = (u32 *) setup_ifc;
	for (i = 0; i < 1024; i++) {
		/* cppcheck-suppress nullPointer */
		*dst++ = *src++;
	}

	/* cppcheck-suppress nullPointer */
	setup_ifc_sram();

	/* CLEANUP */
	clrbits_be32(&l2cache->l2ctl,
			(MPC85xx_L2CTL_L2E |
			 MPC85xx_L2CTL_L2SRAM_ENTIRE));
	out_be32(&l2cache->l2srbar0, 0x0);
#endif

	invalidate_tlb(1);

#if defined(CONFIG_SYS_PPC_E500_DEBUG_TLB) && \
	!(defined(CONFIG_SPL_INIT_MINIMAL) && defined(CONFIG_SPL_BUILD)) && \
	!defined(CONFIG_NAND_SPL)
	disable_tlb(CONFIG_SYS_PPC_E500_DEBUG_TLB);
#endif

	init_tlbs();
}