board/freescale/ls2085aqds/ls2085aqds.c - platform/external/u-boot - Gitiles

 /*
  * Copyright 2015 Freescale Semiconductor
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <common.h>
 #include <malloc.h>
 #include <errno.h>
 #include <netdev.h>
 #include <fsl_ifc.h>
 #include <fsl_ddr.h>
 #include <asm/io.h>
 #include <fdt_support.h>
 #include <libfdt.h>
 #include <fsl_debug_server.h>
 #include <fsl-mc/fsl_mc.h>
 #include <environment.h>
 #include <i2c.h>
 #include <rtc.h>
 #include <asm/arch/soc.h>
 #include <hwconfig.h>

 #include "../common/qixis.h"
 #include "ls2085aqds_qixis.h"

 #define PIN_MUX_SEL_SDHC	0x00
 #define PIN_MUX_SEL_DSPI	0x0a

 #define SET_SDHC_MUX_SEL(reg, value)	((reg & 0xf0) | value)

 DECLARE_GLOBAL_DATA_PTR;

 enum {
 	MUX_TYPE_SDHC,
 	MUX_TYPE_DSPI,
 };

 unsigned long long get_qixis_addr(void)
 {
 	unsigned long long addr;

 	if (gd->flags & GD_FLG_RELOC)
 		addr = QIXIS_BASE_PHYS;
 	else
 		addr = QIXIS_BASE_PHYS_EARLY;

 	/*
 	 * IFC address under 256MB is mapped to 0x30000000, any address above
 	 * is mapped to 0x5_10000000 up to 4GB.
 	 */
 	addr = addr  > 0x10000000 ? addr + 0x500000000ULL : addr + 0x30000000;

 	return addr;
 }

 int checkboard(void)
 {
 	char buf[64];
 	u8 sw;
 	static const char *const freq[] = {"100", "125", "156.25",
 					    "100 separate SSCG"};
 	int clock;

 	cpu_name(buf);
 	printf("Board: %s-QDS, ", buf);

 	sw = QIXIS_READ(arch);
 	printf("Board Arch: V%d, ", sw >> 4);
 	printf("Board version: %c, boot from ", (sw & 0xf) + 'A' - 1);

 	memset((u8 *)buf, 0x00, ARRAY_SIZE(buf));

 	sw = QIXIS_READ(brdcfg[0]);
 	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;

 	if (sw < 0x8)
 		printf("vBank: %d\n", sw);
 	else if (sw == 0x8)
 		puts("PromJet\n");
 	else if (sw == 0x9)
 		puts("NAND\n");
 	else if (sw == 0x15)
 		printf("IFCCard\n");
 	else
 		printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);

 	printf("FPGA: v%d (%s), build %d",
 	       (int)QIXIS_READ(scver), qixis_read_tag(buf),
 	       (int)qixis_read_minor());
 	/* the timestamp string contains "\n" at the end */
 	printf(" on %s", qixis_read_time(buf));

 	/*
 	 * Display the actual SERDES reference clocks as configured by the
 	 * dip switches on the board.  Note that the SWx registers could
 	 * technically be set to force the reference clocks to match the
 	 * values that the SERDES expects (or vice versa).  For now, however,
 	 * we just display both values and hope the user notices when they
 	 * don't match.
 	 */
 	puts("SERDES1 Reference : ");
 	sw = QIXIS_READ(brdcfg[2]);
 	clock = (sw >> 6) & 3;
 	printf("Clock1 = %sMHz ", freq[clock]);
 	clock = (sw >> 4) & 3;
 	printf("Clock2 = %sMHz", freq[clock]);

 	puts("\nSERDES2 Reference : ");
 	clock = (sw >> 2) & 3;
 	printf("Clock1 = %sMHz ", freq[clock]);
 	clock = (sw >> 0) & 3;
 	printf("Clock2 = %sMHz\n", freq[clock]);

 	return 0;
 }

 unsigned long get_board_sys_clk(void)
 {
 	u8 sysclk_conf = QIXIS_READ(brdcfg[1]);

 	switch (sysclk_conf & 0x0F) {
 	case QIXIS_SYSCLK_83:
 		return 83333333;
 	case QIXIS_SYSCLK_100:
 		return 100000000;
 	case QIXIS_SYSCLK_125:
 		return 125000000;
 	case QIXIS_SYSCLK_133:
 		return 133333333;
 	case QIXIS_SYSCLK_150:
 		return 150000000;
 	case QIXIS_SYSCLK_160:
 		return 160000000;
 	case QIXIS_SYSCLK_166:
 		return 166666666;
 	}
 	return 66666666;
 }

 unsigned long get_board_ddr_clk(void)
 {
 	u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);

 	switch ((ddrclk_conf & 0x30) >> 4) {
 	case QIXIS_DDRCLK_100:
 		return 100000000;
 	case QIXIS_DDRCLK_125:
 		return 125000000;
 	case QIXIS_DDRCLK_133:
 		return 133333333;
 	}
 	return 66666666;
 }

 int select_i2c_ch_pca9547(u8 ch)
 {
 	int ret;

 	ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
 	if (ret) {
 		puts("PCA: failed to select proper channel\n");
 		return ret;
 	}

 	return 0;
 }

 int config_board_mux(int ctrl_type)
 {
 	u8 reg5;

 	reg5 = QIXIS_READ(brdcfg[5]);

 	switch (ctrl_type) {
 	case MUX_TYPE_SDHC:
 		reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_SDHC);
 		break;
 	case MUX_TYPE_DSPI:
 		reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_DSPI);
 		break;
 	default:
 		printf("Wrong mux interface type\n");
 		return -1;
 	}

 	QIXIS_WRITE(brdcfg[5], reg5);

 	return 0;
 }

 int board_init(void)
 {
 	char *env_hwconfig;
 	u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
 	u32 val;

 	init_final_memctl_regs();

 	val = in_le32(dcfg_ccsr + DCFG_RCWSR13 / 4);

 	env_hwconfig = getenv("hwconfig");

 	if (hwconfig_f("dspi", env_hwconfig) &&
 	    DCFG_RCWSR13_DSPI == (val & (u32)(0xf << 8)))
 		config_board_mux(MUX_TYPE_DSPI);
 	else
 		config_board_mux(MUX_TYPE_SDHC);

 #ifdef CONFIG_ENV_IS_NOWHERE
 	gd->env_addr = (ulong)&default_environment[0];
 #endif
 	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
 	rtc_enable_32khz_output();

 	return 0;
 }

 int board_early_init_f(void)
 {
 	fsl_lsch3_early_init_f();
 	return 0;
 }

 void detail_board_ddr_info(void)
 {
 	puts("\nDDR    ");
 	print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, "");
 	print_ddr_info(0);
 	if (gd->bd->bi_dram[2].size) {
 		puts("\nDP-DDR ");
 		print_size(gd->bd->bi_dram[2].size, "");
 		print_ddr_info(CONFIG_DP_DDR_CTRL);
 	}
 }

 int dram_init(void)
 {
 	gd->ram_size = initdram(0);

 	return 0;
 }

 #if defined(CONFIG_ARCH_MISC_INIT)
 int arch_misc_init(void)
 {
 #ifdef CONFIG_FSL_DEBUG_SERVER
 	debug_server_init();
 #endif

 	return 0;
 }
 #endif

 unsigned long get_dram_size_to_hide(void)
 {
 	unsigned long dram_to_hide = 0;

 /* Carve the Debug Server private DRAM block from the end of DRAM */
 #ifdef CONFIG_FSL_DEBUG_SERVER
 	dram_to_hide += debug_server_get_dram_block_size();
 #endif

 /* Carve the MC private DRAM block from the end of DRAM */
 #ifdef CONFIG_FSL_MC_ENET
 	dram_to_hide += mc_get_dram_block_size();
 #endif

 	return roundup(dram_to_hide, CONFIG_SYS_MEM_TOP_HIDE_MIN);
 }

 #ifdef CONFIG_FSL_MC_ENET
 void fdt_fixup_board_enet(void *fdt)
 {
 	int offset;

 	offset = fdt_path_offset(fdt, "/fsl-mc");

 	if (offset < 0)
 		offset = fdt_path_offset(fdt, "/fsl,dprc@0");

 	if (offset < 0) {
 		printf("%s: ERROR: fsl-mc node not found in device tree (error %d)\n",
 		       __func__, offset);
 		return;
 	}

 	if (get_mc_boot_status() == 0)
 		fdt_status_okay(fdt, offset);
 	else
 		fdt_status_fail(fdt, offset);
 }
 #endif

 #ifdef CONFIG_OF_BOARD_SETUP
 int ft_board_setup(void *blob, bd_t *bd)
 {
 	int err;
 	u64 base[CONFIG_NR_DRAM_BANKS];
 	u64 size[CONFIG_NR_DRAM_BANKS];

 	ft_cpu_setup(blob, bd);

 	/* fixup DT for the two GPP DDR banks */
 	base[0] = gd->bd->bi_dram[0].start;
 	size[0] = gd->bd->bi_dram[0].size;
 	base[1] = gd->bd->bi_dram[1].start;
 	size[1] = gd->bd->bi_dram[1].size;

 	fdt_fixup_memory_banks(blob, base, size, 2);

 #ifdef CONFIG_FSL_MC_ENET
 	fdt_fixup_board_enet(blob);
 	err = fsl_mc_ldpaa_exit(bd);
 	if (err)
 		return err;
 #endif

 	return 0;
 }
 #endif

 void qixis_dump_switch(void)
 {
 	int i, nr_of_cfgsw;

 	QIXIS_WRITE(cms[0], 0x00);
 	nr_of_cfgsw = QIXIS_READ(cms[1]);

 	puts("DIP switch settings dump:\n");
 	for (i = 1; i <= nr_of_cfgsw; i++) {
 		QIXIS_WRITE(cms[0], i);
 		printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1]));
 	}
 }
	/*
	* Copyright 2015 Freescale Semiconductor
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/
	#include <common.h>
	#include <malloc.h>
	#include <errno.h>
	#include <netdev.h>
	#include <fsl_ifc.h>
	#include <fsl_ddr.h>
	#include <asm/io.h>
	#include <fdt_support.h>
	#include <libfdt.h>
	#include <fsl_debug_server.h>
	#include <fsl-mc/fsl_mc.h>
	#include <environment.h>
	#include <i2c.h>
	#include <rtc.h>
	#include <asm/arch/soc.h>
	#include <hwconfig.h>

	#include "../common/qixis.h"
	#include "ls2085aqds_qixis.h"

	#define PIN_MUX_SEL_SDHC 0x00
	#define PIN_MUX_SEL_DSPI 0x0a

	#define SET_SDHC_MUX_SEL(reg, value) ((reg & 0xf0) \| value)

	DECLARE_GLOBAL_DATA_PTR;

	enum {
	MUX_TYPE_SDHC,
	MUX_TYPE_DSPI,
	};

	unsigned long long get_qixis_addr(void)
	{
	unsigned long long addr;

	if (gd->flags & GD_FLG_RELOC)
	addr = QIXIS_BASE_PHYS;
	else
	addr = QIXIS_BASE_PHYS_EARLY;

	/*
	* IFC address under 256MB is mapped to 0x30000000, any address above
	* is mapped to 0x5_10000000 up to 4GB.
	*/
	addr = addr > 0x10000000 ? addr + 0x500000000ULL : addr + 0x30000000;

	return addr;
	}

	int checkboard(void)
	{
	char buf[64];
	u8 sw;
	static const char *const freq[] = {"100", "125", "156.25",
	"100 separate SSCG"};
	int clock;

	cpu_name(buf);
	printf("Board: %s-QDS, ", buf);

	sw = QIXIS_READ(arch);
	printf("Board Arch: V%d, ", sw >> 4);
	printf("Board version: %c, boot from ", (sw & 0xf) + 'A' - 1);

	memset((u8 *)buf, 0x00, ARRAY_SIZE(buf));

	sw = QIXIS_READ(brdcfg[0]);
	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;

	if (sw < 0x8)
	printf("vBank: %d\n", sw);
	else if (sw == 0x8)
	puts("PromJet\n");
	else if (sw == 0x9)
	puts("NAND\n");
	else if (sw == 0x15)
	printf("IFCCard\n");
	else
	printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);

	printf("FPGA: v%d (%s), build %d",
	(int)QIXIS_READ(scver), qixis_read_tag(buf),
	(int)qixis_read_minor());
	/* the timestamp string contains "\n" at the end */
	printf(" on %s", qixis_read_time(buf));

	/*
	* Display the actual SERDES reference clocks as configured by the
	* dip switches on the board. Note that the SWx registers could
	* technically be set to force the reference clocks to match the
	* values that the SERDES expects (or vice versa). For now, however,
	* we just display both values and hope the user notices when they
	* don't match.
	*/
	puts("SERDES1 Reference : ");
	sw = QIXIS_READ(brdcfg[2]);
	clock = (sw >> 6) & 3;
	printf("Clock1 = %sMHz ", freq[clock]);
	clock = (sw >> 4) & 3;
	printf("Clock2 = %sMHz", freq[clock]);

	puts("\nSERDES2 Reference : ");
	clock = (sw >> 2) & 3;
	printf("Clock1 = %sMHz ", freq[clock]);
	clock = (sw >> 0) & 3;
	printf("Clock2 = %sMHz\n", freq[clock]);

	return 0;
	}

	unsigned long get_board_sys_clk(void)
	{
	u8 sysclk_conf = QIXIS_READ(brdcfg[1]);

	switch (sysclk_conf & 0x0F) {
	case QIXIS_SYSCLK_83:
	return 83333333;
	case QIXIS_SYSCLK_100:
	return 100000000;
	case QIXIS_SYSCLK_125:
	return 125000000;
	case QIXIS_SYSCLK_133:
	return 133333333;
	case QIXIS_SYSCLK_150:
	return 150000000;
	case QIXIS_SYSCLK_160:
	return 160000000;
	case QIXIS_SYSCLK_166:
	return 166666666;
	}
	return 66666666;
	}

	unsigned long get_board_ddr_clk(void)
	{
	u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);

	switch ((ddrclk_conf & 0x30) >> 4) {
	case QIXIS_DDRCLK_100:
	return 100000000;
	case QIXIS_DDRCLK_125:
	return 125000000;
	case QIXIS_DDRCLK_133:
	return 133333333;
	}
	return 66666666;
	}

	int select_i2c_ch_pca9547(u8 ch)
	{
	int ret;

	ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
	if (ret) {
	puts("PCA: failed to select proper channel\n");
	return ret;
	}

	return 0;
	}

	int config_board_mux(int ctrl_type)
	{
	u8 reg5;

	reg5 = QIXIS_READ(brdcfg[5]);

	switch (ctrl_type) {
	case MUX_TYPE_SDHC:
	reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_SDHC);
	break;
	case MUX_TYPE_DSPI:
	reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_DSPI);
	break;
	default:
	printf("Wrong mux interface type\n");
	return -1;
	}

	QIXIS_WRITE(brdcfg[5], reg5);

	return 0;
	}

	int board_init(void)
	{
	char *env_hwconfig;
	u32 __iomem dcfg_ccsr = (u32 __iomem )DCFG_BASE;
	u32 val;

	init_final_memctl_regs();

	val = in_le32(dcfg_ccsr + DCFG_RCWSR13 / 4);

	env_hwconfig = getenv("hwconfig");

	if (hwconfig_f("dspi", env_hwconfig) &&
	DCFG_RCWSR13_DSPI == (val & (u32)(0xf << 8)))
	config_board_mux(MUX_TYPE_DSPI);
	else
	config_board_mux(MUX_TYPE_SDHC);

	#ifdef CONFIG_ENV_IS_NOWHERE
	gd->env_addr = (ulong)&default_environment[0];
	#endif
	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
	rtc_enable_32khz_output();

	return 0;
	}

	int board_early_init_f(void)
	{
	fsl_lsch3_early_init_f();
	return 0;
	}

	void detail_board_ddr_info(void)
	{
	puts("\nDDR ");
	print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, "");
	print_ddr_info(0);
	if (gd->bd->bi_dram[2].size) {
	puts("\nDP-DDR ");
	print_size(gd->bd->bi_dram[2].size, "");
	print_ddr_info(CONFIG_DP_DDR_CTRL);
	}
	}

	int dram_init(void)
	{
	gd->ram_size = initdram(0);

	return 0;
	}

	#if defined(CONFIG_ARCH_MISC_INIT)
	int arch_misc_init(void)
	{
	#ifdef CONFIG_FSL_DEBUG_SERVER
	debug_server_init();
	#endif

	return 0;
	}
	#endif

	unsigned long get_dram_size_to_hide(void)
	{
	unsigned long dram_to_hide = 0;

	/* Carve the Debug Server private DRAM block from the end of DRAM */
	#ifdef CONFIG_FSL_DEBUG_SERVER
	dram_to_hide += debug_server_get_dram_block_size();
	#endif

	/* Carve the MC private DRAM block from the end of DRAM */
	#ifdef CONFIG_FSL_MC_ENET
	dram_to_hide += mc_get_dram_block_size();
	#endif

	return roundup(dram_to_hide, CONFIG_SYS_MEM_TOP_HIDE_MIN);
	}

	#ifdef CONFIG_FSL_MC_ENET
	void fdt_fixup_board_enet(void *fdt)
	{
	int offset;

	offset = fdt_path_offset(fdt, "/fsl-mc");

	if (offset < 0)
	offset = fdt_path_offset(fdt, "/fsl,dprc@0");

	if (offset < 0) {
	printf("%s: ERROR: fsl-mc node not found in device tree (error %d)\n",
	__func__, offset);
	return;
	}

	if (get_mc_boot_status() == 0)
	fdt_status_okay(fdt, offset);
	else
	fdt_status_fail(fdt, offset);
	}
	#endif

	#ifdef CONFIG_OF_BOARD_SETUP
	int ft_board_setup(void blob, bd_t bd)
	{
	int err;
	u64 base[CONFIG_NR_DRAM_BANKS];
	u64 size[CONFIG_NR_DRAM_BANKS];

	ft_cpu_setup(blob, bd);

	/* fixup DT for the two GPP DDR banks */
	base[0] = gd->bd->bi_dram[0].start;
	size[0] = gd->bd->bi_dram[0].size;
	base[1] = gd->bd->bi_dram[1].start;
	size[1] = gd->bd->bi_dram[1].size;

	fdt_fixup_memory_banks(blob, base, size, 2);

	#ifdef CONFIG_FSL_MC_ENET
	fdt_fixup_board_enet(blob);
	err = fsl_mc_ldpaa_exit(bd);
	if (err)
	return err;
	#endif

	return 0;
	}
	#endif

	void qixis_dump_switch(void)
	{
	int i, nr_of_cfgsw;

	QIXIS_WRITE(cms[0], 0x00);
	nr_of_cfgsw = QIXIS_READ(cms[1]);

	puts("DIP switch settings dump:\n");
	for (i = 1; i <= nr_of_cfgsw; i++) {
	QIXIS_WRITE(cms[0], i);
	printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1]));
	}
	}