board/freescale/p1_twr/p1_twr.c - uboot-imx - Git at Google

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
  */

 #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 <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 <linux/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;
 	int 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();

 	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, /* 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
 int ft_board_setup(void *blob, bd_t *bd)
 {
 	phys_addr_t base;
 	phys_size_t size;

 	ft_cpu_setup(blob, bd);

 	base = env_get_bootm_low();
 	size = env_get_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
 	fsl_fdt_fixup_dr_usb(blob, bd);

 	return 0;
 }
 #endif
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Copyright 2013 Freescale Semiconductor, Inc.
	*/

	#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 <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 <linux/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;
	int 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();

	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, /* 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
	int ft_board_setup(void blob, bd_t bd)
	{
	phys_addr_t base;
	phys_size_t size;

	ft_cpu_setup(blob, bd);

	base = env_get_bootm_low();
	size = env_get_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
	fsl_fdt_fixup_dr_usb(blob, bd);

	return 0;
	}
	#endif