diff options
Diffstat (limited to 'board/freescale/p1_twr/p1_twr.c')
| -rw-r--r-- | board/freescale/p1_twr/p1_twr.c | 281 | 
1 files changed, 281 insertions, 0 deletions
| diff --git a/board/freescale/p1_twr/p1_twr.c b/board/freescale/p1_twr/p1_twr.c new file mode 100644 index 000000000..ea8db6fc0 --- /dev/null +++ b/board/freescale/p1_twr/p1_twr.c @@ -0,0 +1,281 @@ +/* + * Copyright 2013 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier:	GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <hwconfig.h> +#include <pci.h> +#include <i2c.h> +#include <asm/processor.h> +#include <asm/mmu.h> +#include <asm/cache.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_pci.h> +#include <asm/fsl_ddr_sdram.h> +#include <asm/io.h> +#include <asm/fsl_law.h> +#include <asm/fsl_lbc.h> +#include <asm/mp.h> +#include <miiphy.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <fsl_mdio.h> +#include <tsec.h> +#include <ioports.h> +#include <asm/fsl_serdes.h> +#include <netdev.h> + +#define SYSCLK_64	64000000 +#define SYSCLK_66	66666666 + +unsigned long get_board_sys_clk(ulong dummy) +{ +	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); +	par_io_t *par_io = (par_io_t *) &(gur->qe_par_io); +	unsigned int cpdat_val = 0; + +	/* Set-up up pin muxing based on board switch settings */ +	cpdat_val = par_io[1].cpdat; + +	/* Check switch setting for SYSCLK select (PB3)  */ +	if (cpdat_val & 0x10000000) +		return SYSCLK_64; +	else +		return SYSCLK_66; + +	return 0; +} + +#ifdef CONFIG_QE + +#define PCA_IOPORT_I2C_ADDR		0x23 +#define PCA_IOPORT_OUTPUT_CMD		0x2 +#define PCA_IOPORT_CFG_CMD		0x6 + +const qe_iop_conf_t qe_iop_conf_tab[] = { + +#ifdef CONFIG_TWR_P1025 +	/* GPIO */ +	{1,  0, 1, 0, 0}, +	{1,  18, 1, 0, 0}, + +	/* GPIO for switch options */ +	{1,  2, 2, 0, 0}, /* PROFIBUS_MODE_SEL */ +	{1,  3, 2, 0, 0}, /* SYS_CLK_SELECT */ +	{1,  29, 2, 0, 0}, /* LOCALBUS_QE_MUXSEL */ +	{1,  30, 2, 0, 0}, /* ETH_TDM_SEL */ + +	/* QE_MUX_MDC */ +	{1,  19, 1, 0, 1}, /* QE_MUX_MDC */ + +	/* QE_MUX_MDIO */ +	{1,  20, 3, 0, 1}, /* QE_MUX_MDIO */ + +	/* UCC_1_MII */ +	{0, 23, 2, 0, 2}, /* CLK12 */ +	{0, 24, 2, 0, 1}, /* CLK9 */ +	{0,  7, 1, 0, 2}, /* ENET1_TXD0_SER1_TXD0 */ +	{0,  9, 1, 0, 2}, /* ENET1_TXD1_SER1_TXD1 */ +	{0, 11, 1, 0, 2}, /* ENET1_TXD2_SER1_TXD2 */ +	{0, 12, 1, 0, 2}, /* ENET1_TXD3_SER1_TXD3 */ +	{0,  6, 2, 0, 2}, /* ENET1_RXD0_SER1_RXD0 */ +	{0, 10, 2, 0, 2}, /* ENET1_RXD1_SER1_RXD1 */ +	{0, 14, 2, 0, 2}, /* ENET1_RXD2_SER1_RXD2 */ +	{0, 15, 2, 0, 2}, /* ENET1_RXD3_SER1_RXD3 */ +	{0,  5, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B */ +	{0, 13, 1, 0, 2}, /* ENET1_TX_ER */ +	{0,  4, 2, 0, 2}, /* ENET1_RX_DV_SER1_CTS_B */ +	{0,  8, 2, 0, 2}, /* ENET1_RX_ER_SER1_CD_B */ +	{0, 17, 2, 0, 2}, /* ENET1_CRS */ +	{0, 16, 2, 0, 2}, /* ENET1_COL */ + +	/* UCC_5_RMII */ +	{1, 11, 2, 0, 1}, /* CLK13 */ +	{1, 7,  1, 0, 2}, /* ENET5_TXD0_SER5_TXD0 */ +	{1, 10, 1, 0, 2}, /* ENET5_TXD1_SER5_TXD1 */ +	{1, 6, 2, 0, 2}, /* ENET5_RXD0_SER5_RXD0 */ +	{1, 9, 2, 0, 2}, /* ENET5_RXD1_SER5_RXD1 */ +	{1, 5, 1, 0, 2}, /* ENET5_TX_EN_SER5_RTS_B */ +	{1, 4, 2, 0, 2}, /* ENET5_RX_DV_SER5_CTS_B */ +	{1, 8, 2, 0, 2}, /* ENET5_RX_ER_SER5_CD_B */ + +	/* TDMA - clock option is configured in OS based on board setting */ +	{1, 23, 2, 0, 2}, /* TDMA_TXD */ +	{1, 25, 2, 0, 2}, /* TDMA_RXD */ +	{1, 26, 1, 0, 2}, /* TDMA_SYNC */ +#endif + +	{0,  0, 0, 0, QE_IOP_TAB_END} /* END of table */ +}; +#endif + +int board_early_init_f(void) +{ +	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + +	setbits_be32(&gur->pmuxcr, +			(MPC85xx_PMUXCR_SDHC_CD | MPC85xx_PMUXCR_SDHC_WP)); + +	/* SDHC_DAT[4:7] not exposed to pins (use as SPI) */ +	clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA); + +	return 0; +} + +int checkboard(void) +{ +	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); +	u8 boot_status; + +	printf("Board: %s\n", CONFIG_BOARDNAME); + +	boot_status = ((gur->porbmsr) >> MPC85xx_PORBMSR_ROMLOC_SHIFT) & 0xf; +	puts("rom_loc: "); +	if (boot_status == PORBMSR_ROMLOC_NOR) +		puts("nor flash"); +	else if (boot_status == PORBMSR_ROMLOC_SDHC) +		puts("sd"); +	else +		puts("unknown"); +	puts("\n"); + +	return 0; +} + +#ifdef CONFIG_PCI +void pci_init_board(void) +{ +	fsl_pcie_init_board(0); +} +#endif + +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 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, /* tlb, epn, rpn */ +		MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,           /* perms, wimge */ +		0, flash_esel, BOOKE_PAGESZ_64M, 1);/* ts, esel, tsize, iprot */ +	return 0; +} + +int board_eth_init(bd_t *bis) +{ +	struct fsl_pq_mdio_info mdio_info; +	struct tsec_info_struct tsec_info[4]; +	ccsr_gur_t *gur __attribute__((unused)) = +		(void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); +	int num = 0; + +#ifdef CONFIG_TSEC1 +	SET_STD_TSEC_INFO(tsec_info[num], 1); +	num++; +#endif +#ifdef CONFIG_TSEC2 +	SET_STD_TSEC_INFO(tsec_info[num], 2); +	if (is_serdes_configured(SGMII_TSEC2)) { +		printf("eTSEC2 is in sgmii mode.\n"); +		tsec_info[num].flags |= TSEC_SGMII; +	} +	num++; +#endif +#ifdef CONFIG_TSEC3 +	SET_STD_TSEC_INFO(tsec_info[num], 3); +	num++; +#endif + +	if (!num) { +		printf("No TSECs initialized\n"); +		return 0; +	} + +	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR; +	mdio_info.name = DEFAULT_MII_NAME; + +	fsl_pq_mdio_init(bis, &mdio_info); + +	tsec_eth_init(bis, tsec_info, num); + +#if defined(CONFIG_UEC_ETH) +	/* QE0 and QE3 need to be exposed for UCC1 +	 * and UCC5 Eth mode (in PMUXCR register). +	 * Currently QE/LBC muxed pins assumed to be +	 * LBC for U-Boot and PMUXCR updated by OS if required */ + +	uec_standard_init(bis); +#endif + +	return pci_eth_init(bis); +} + +#if defined(CONFIG_QE) +static void fdt_board_fixup_qe_pins(void *blob) +{ +	int node; + +	if (!hwconfig("qe")) { +		/* For QE and eLBC pins multiplexing, +		 * When don't use QE function, remove +		 * qe node from dt blob. +		 */ +		node = fdt_path_offset(blob, "/qe"); +		if (node >= 0) +			fdt_del_node(blob, node); +	} else { +		/* For TWR Peripheral Modules - TWR-SER2 +		 * board only can support Signal Port MII, +		 * so delete one UEC node when use MII port. +		 */ +		if (hwconfig("mii")) +			node = fdt_path_offset(blob, "/qe/ucc@2400"); +		else +			node = fdt_path_offset(blob, "/qe/ucc@2000"); +		if (node >= 0) +			fdt_del_node(blob, node); +	} + +	return; +} +#endif + +#ifdef CONFIG_OF_BOARD_SETUP +void ft_board_setup(void *blob, bd_t *bd) +{ +	phys_addr_t base; +	phys_size_t size; + +	ft_cpu_setup(blob, bd); + +	base = getenv_bootm_low(); +	size = getenv_bootm_size(); + +	fdt_fixup_memory(blob, (u64)base, (u64)size); + +	FT_FSL_PCI_SETUP; + +#ifdef CONFIG_QE +	do_fixup_by_compat(blob, "fsl,qe", "status", "okay", +			sizeof("okay"), 0); +#endif +#if defined(CONFIG_TWR_P1025) +	fdt_board_fixup_qe_pins(blob); +#endif +	fdt_fixup_dr_usb(blob, bd); +} +#endif |