diff options
Diffstat (limited to 'roms/u-boot/board/freescale/mpc8308rdb')
| -rw-r--r-- | roms/u-boot/board/freescale/mpc8308rdb/Makefile | 10 | ||||
| -rw-r--r-- | roms/u-boot/board/freescale/mpc8308rdb/mpc8308rdb.c | 190 | ||||
| -rw-r--r-- | roms/u-boot/board/freescale/mpc8308rdb/sdram.c | 81 | 
3 files changed, 281 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/mpc8308rdb/Makefile b/roms/u-boot/board/freescale/mpc8308rdb/Makefile new file mode 100644 index 00000000..ec2b85d9 --- /dev/null +++ b/roms/u-boot/board/freescale/mpc8308rdb/Makefile @@ -0,0 +1,10 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# (C) Copyright 2010 +# Ilya Yanok, Emcraft Systems, yanok@emcraft.com +# +# SPDX-License-Identifier:	GPL-2.0+ +# + +obj-y	:= mpc8308rdb.o sdram.o diff --git a/roms/u-boot/board/freescale/mpc8308rdb/mpc8308rdb.c b/roms/u-boot/board/freescale/mpc8308rdb/mpc8308rdb.c new file mode 100644 index 00000000..fba41fe5 --- /dev/null +++ b/roms/u-boot/board/freescale/mpc8308rdb/mpc8308rdb.c @@ -0,0 +1,190 @@ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com + * + * SPDX-License-Identifier:	GPL-2.0+ + */ + +#include <common.h> +#include <hwconfig.h> +#include <i2c.h> +#include <spi.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <pci.h> +#include <mpc83xx.h> +#include <vsc7385.h> +#include <netdev.h> +#include <fsl_esdhc.h> +#include <asm/io.h> +#include <asm/fsl_serdes.h> +#include <asm/fsl_mpc83xx_serdes.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * The following are used to control the SPI chip selects for the SPI command. + */ +#ifdef CONFIG_MPC8XXX_SPI + +#define SPI_CS_MASK	0x00400000 + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ +	return bus == 0 && cs == 0; +} + +void spi_cs_activate(struct spi_slave *slave) +{ +	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; + +	/* active low */ +	clrbits_be32(&immr->gpio[0].dat, SPI_CS_MASK); +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ +	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; + +	/* inactive high */ +	setbits_be32(&immr->gpio[0].dat, SPI_CS_MASK); +} +#endif /* CONFIG_MPC8XXX_SPI */ + +#ifdef CONFIG_FSL_ESDHC +int board_mmc_init(bd_t *bd) +{ +	return fsl_esdhc_mmc_init(bd); +} +#endif + +static u8 read_board_info(void) +{ +	u8 val8; +	i2c_set_bus_num(0); + +	if (i2c_read(CONFIG_SYS_I2C_PCF8574A_ADDR, 0, 0, &val8, 1) == 0) +		return val8; +	else +		return 0; +} + +int checkboard(void) +{ +	static const char * const rev_str[] = { +		"1.0", +		"<reserved>", +		"<reserved>", +		"<reserved>", +		"<unknown>", +	}; +	u8 info; +	int i; + +	info = read_board_info(); +	i = (!info) ? 4 : info & 0x03; + +	printf("Board: Freescale MPC8308RDB Rev %s\n", rev_str[i]); + +	return 0; +} + +static struct pci_region pcie_regions_0[] = { +	{ +		.bus_start = CONFIG_SYS_PCIE1_MEM_BASE, +		.phys_start = CONFIG_SYS_PCIE1_MEM_PHYS, +		.size = CONFIG_SYS_PCIE1_MEM_SIZE, +		.flags = PCI_REGION_MEM, +	}, +	{ +		.bus_start = CONFIG_SYS_PCIE1_IO_BASE, +		.phys_start = CONFIG_SYS_PCIE1_IO_PHYS, +		.size = CONFIG_SYS_PCIE1_IO_SIZE, +		.flags = PCI_REGION_IO, +	}, +}; + +void pci_init_board(void) +{ +	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; +	sysconf83xx_t *sysconf = &immr->sysconf; +	law83xx_t *pcie_law = sysconf->pcielaw; +	struct pci_region *pcie_reg[] = { pcie_regions_0 }; + +	fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX, +					FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V); + +	/* Deassert the resets in the control register */ +	out_be32(&sysconf->pecr1, 0xE0008000); +	udelay(2000); + +	/* Configure PCI Express Local Access Windows */ +	out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR); +	out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB); + +	mpc83xx_pcie_init(1, pcie_reg); +} +/* + * Miscellaneous late-boot configurations + * + * If a VSC7385 microcode image is present, then upload it. +*/ +int misc_init_r(void) +{ +#ifdef CONFIG_MPC8XXX_SPI +	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; +	sysconf83xx_t *sysconf = &immr->sysconf; + +	/* +	 * Set proper bits in SICRH to allow SPI on header J8 +	 * +	 * NOTE: this breaks the TSEC2 interface, attached to the Vitesse +	 * switch. The pinmux configuration does not have a fine enough +	 * granularity to support both simultaneously. +	 */ +	clrsetbits_be32(&sysconf->sicrh, SICRH_GPIO_A_TSEC2, SICRH_GPIO_A_GPIO); +	puts("WARNING: SPI enabled, TSEC2 support is broken\n"); + +	/* Set header J8 SPI chip select output, disabled */ +	setbits_be32(&immr->gpio[0].dir, SPI_CS_MASK); +	setbits_be32(&immr->gpio[0].dat, SPI_CS_MASK); +#endif + +#ifdef CONFIG_VSC7385_IMAGE +	if (vsc7385_upload_firmware((void *) CONFIG_VSC7385_IMAGE, +		CONFIG_VSC7385_IMAGE_SIZE)) { +		puts("Failure uploading VSC7385 microcode.\n"); +		return 1; +	} +#endif + +	return 0; +} +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ +	ft_cpu_setup(blob, bd); +	fdt_fixup_dr_usb(blob, bd); +	fdt_fixup_esdhc(blob, bd); +} +#endif + +int board_eth_init(bd_t *bis) +{ +	int rv, num_if = 0; + +	/* Initialize TSECs first */ +	rv = cpu_eth_init(bis); +	if (rv >= 0) +		num_if += rv; +	else +		printf("ERROR: failed to initialize TSECs.\n"); + +	rv = pci_eth_init(bis); +	if (rv >= 0) +		num_if += rv; +	else +		printf("ERROR: failed to initialize PCI Ethernet.\n"); + +	return num_if; +} diff --git a/roms/u-boot/board/freescale/mpc8308rdb/sdram.c b/roms/u-boot/board/freescale/mpc8308rdb/sdram.c new file mode 100644 index 00000000..89b665e6 --- /dev/null +++ b/roms/u-boot/board/freescale/mpc8308rdb/sdram.c @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2007 Freescale Semiconductor, Inc. + * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com + * + * Authors: Nick.Spence@freescale.com + *          Wilson.Lo@freescale.com + *          scottwood@freescale.com + * + * This files is  mostly identical to the original from + * board\freescale\mpc8315erdb\sdram.c + * + * SPDX-License-Identifier:	GPL-2.0+ + */ + +#include <common.h> +#include <mpc83xx.h> + +#include <asm/bitops.h> +#include <asm/io.h> + +#include <asm/processor.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* Fixed sdram init -- doesn't use serial presence detect. + * + * This is useful for faster booting in configs where the RAM is unlikely + * to be changed, or for things like NAND booting where space is tight. + */ +static long fixed_sdram(void) +{ +	immap_t *im = (immap_t *)CONFIG_SYS_IMMR; +	u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024; +	u32 msize_log2 = __ilog2(msize); + +	out_be32(&im->sysconf.ddrlaw[0].bar, +			CONFIG_SYS_DDR_SDRAM_BASE  & 0xfffff000); +	out_be32(&im->sysconf.ddrlaw[0].ar, LBLAWAR_EN | (msize_log2 - 1)); +	out_be32(&im->sysconf.ddrcdr, CONFIG_SYS_DDRCDR_VALUE); + +	out_be32(&im->ddr.csbnds[0].csbnds, (msize - 1) >> 24); +	out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG); + +	/* Currently we use only one CS, so disable the other bank. */ +	out_be32(&im->ddr.cs_config[1], 0); + +	out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_SDRAM_CLK_CNTL); +	out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3); +	out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1); +	out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2); +	out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0); + +	out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG); +	out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_DDR_SDRAM_CFG2); +	out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE); +	out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE2); + +	out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL); +	sync(); + +	/* enable DDR controller */ +	setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN); +	sync(); + +	return get_ram_size(CONFIG_SYS_DDR_SDRAM_BASE, msize); +} + +phys_size_t initdram(int board_type) +{ +	immap_t *im = (immap_t *)CONFIG_SYS_IMMR; +	u32 msize; + +	if ((in_be32(&im->sysconf.immrbar) & IMMRBAR_BASE_ADDR) != (u32)im) +		return -1; + +	/* DDR SDRAM */ +	msize = fixed_sdram(); + +	/* return total bus SDRAM size(bytes)  -- DDR */ +	return msize; +}  | 
