armv8: ls1046aqds: Add LS1046AQDS board support

LS1046AQDS Specification:
-------------------------
Memory subsystem:
 * 8GByte DDR4 SDRAM (64bit bus)
 * 128 Mbyte NOR flash single-chip memory
 * 512 Mbyte NAND flash
 * 64 Mbyte high-speed SPI flash
 * SD connector to interface with the SD memory card

Ethernet:
 * Two XFI 10G ports
 * Two SGMII ports
 * Two RGMII ports

PCIe: supports Gen 1 and Gen 2

SATA 3.0: one SATA 3.0 port

USB 3.0: two micro AB connector and one type A connector

UART: supports two UARTs up to 115200 bps for console

Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Signed-off-by: Mingkai Hu <mingkai.hu@nxp.com>
Signed-off-by: Gong Qianyu <Qianyu.Gong@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/ls1046aqds/ls1046aqds.c b/board/freescale/ls1046aqds/ls1046aqds.c
new file mode 100644
index 0000000..8c18538
--- /dev/null
+++ b/board/freescale/ls1046aqds/ls1046aqds.c
@@ -0,0 +1,298 @@
+/*
+ * Copyright 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <fdt_support.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/fsl_serdes.h>
+#include <asm/arch/fdt.h>
+#include <asm/arch/soc.h>
+#include <ahci.h>
+#include <hwconfig.h>
+#include <mmc.h>
+#include <scsi.h>
+#include <fm_eth.h>
+#include <fsl_csu.h>
+#include <fsl_esdhc.h>
+#include <fsl_ifc.h>
+#include <spl.h>
+
+#include "../common/vid.h"
+#include "../common/qixis.h"
+#include "ls1046aqds_qixis.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+enum {
+	MUX_TYPE_GPIO,
+};
+
+int checkboard(void)
+{
+	char buf[64];
+#ifndef CONFIG_SD_BOOT
+	u8 sw;
+#endif
+
+	puts("Board: LS1046AQDS, boot from ");
+
+#ifdef CONFIG_SD_BOOT
+	puts("SD\n");
+#else
+	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 == 0xF)
+		printf("QSPI\n");
+	else
+		printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
+#endif
+
+	printf("Sys ID: 0x%02x, Sys Ver: 0x%02x\n",
+	       QIXIS_READ(id), QIXIS_READ(arch));
+
+	printf("FPGA:  v%d (%s), build %d\n",
+	       (int)QIXIS_READ(scver), qixis_read_tag(buf),
+	       (int)qixis_read_minor());
+
+	return 0;
+}
+
+bool if_board_diff_clk(void)
+{
+	u8 diff_conf = QIXIS_READ(brdcfg[11]);
+
+	return diff_conf & 0x40;
+}
+
+unsigned long get_board_sys_clk(void)
+{
+	u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
+
+	switch (sysclk_conf & 0x0f) {
+	case QIXIS_SYSCLK_64:
+		return 64000000;
+	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]);
+
+	if (if_board_diff_clk())
+		return get_board_sys_clk();
+	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 dram_init(void)
+{
+	/*
+	 * When resuming from deep sleep, the I2C channel may not be
+	 * in the default channel. So, switch to the default channel
+	 * before accessing DDR SPD.
+	 */
+	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+	gd->ram_size = initdram(0);
+
+	return 0;
+}
+
+int i2c_multiplexer_select_vid_channel(u8 channel)
+{
+	return select_i2c_ch_pca9547(channel);
+}
+
+int board_early_init_f(void)
+{
+#ifdef CONFIG_HAS_FSL_XHCI_USB
+	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
+	u32 usb_pwrfault;
+#endif
+
+#ifdef CONFIG_SYS_I2C_EARLY_INIT
+	i2c_early_init_f();
+#endif
+	fsl_lsch2_early_init_f();
+
+#ifdef CONFIG_HAS_FSL_XHCI_USB
+	out_be32(&scfg->rcwpmuxcr0, 0x3333);
+	out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
+	usb_pwrfault = (SCFG_USBPWRFAULT_DEDICATED <<
+			SCFG_USBPWRFAULT_USB3_SHIFT) |
+			(SCFG_USBPWRFAULT_DEDICATED <<
+			SCFG_USBPWRFAULT_USB2_SHIFT) |
+			(SCFG_USBPWRFAULT_SHARED <<
+			SCFG_USBPWRFAULT_USB1_SHIFT);
+	out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
+#endif
+
+	return 0;
+}
+
+#ifdef CONFIG_FSL_DEEP_SLEEP
+/* determine if it is a warm boot */
+bool is_warm_boot(void)
+{
+#define DCFG_CCSR_CRSTSR_WDRFR	(1 << 3)
+	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+
+	if (in_be32(&gur->crstsr) & DCFG_CCSR_CRSTSR_WDRFR)
+		return 1;
+
+	return 0;
+}
+#endif
+
+int config_board_mux(int ctrl_type)
+{
+	u8 reg14;
+
+	reg14 = QIXIS_READ(brdcfg[14]);
+
+	switch (ctrl_type) {
+	case MUX_TYPE_GPIO:
+		reg14 = (reg14 & (~0x6)) | 0x2;
+		break;
+	default:
+		puts("Unsupported mux interface type\n");
+		return -1;
+	}
+
+	QIXIS_WRITE(brdcfg[14], reg14);
+
+	return 0;
+}
+
+int config_serdes_mux(void)
+{
+	return 0;
+}
+
+#ifdef CONFIG_MISC_INIT_R
+int misc_init_r(void)
+{
+	if (hwconfig("gpio"))
+		config_board_mux(MUX_TYPE_GPIO);
+
+	return 0;
+}
+#endif
+
+int board_init(void)
+{
+	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+
+#ifdef CONFIG_SYS_FSL_SERDES
+	config_serdes_mux();
+#endif
+
+#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
+	enable_layerscape_ns_access();
+#endif
+
+	if (adjust_vdd(0))
+		printf("Warning: Adjusting core voltage failed.\n");
+
+	return 0;
+}
+
+#ifdef CONFIG_OF_BOARD_SETUP
+int ft_board_setup(void *blob, bd_t *bd)
+{
+	u64 base[CONFIG_NR_DRAM_BANKS];
+	u64 size[CONFIG_NR_DRAM_BANKS];
+	u8 reg;
+
+	/* fixup DT for the two 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);
+	ft_cpu_setup(blob, bd);
+
+#ifdef CONFIG_SYS_DPAA_FMAN
+	fdt_fixup_fman_ethernet(blob);
+	fdt_fixup_board_enet(blob);
+#endif
+
+	reg = QIXIS_READ(brdcfg[0]);
+	reg = (reg & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
+
+	/* Disable IFC if QSPI is enabled */
+	if (reg == 0xF)
+		do_fixup_by_compat(blob, "fsl,ifc",
+				   "status", "disabled", 8 + 1, 1);
+
+	return 0;
+}
+#endif
+
+u8 flash_read8(void *addr)
+{
+	return __raw_readb(addr + 1);
+}
+
+void flash_write16(u16 val, void *addr)
+{
+	u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
+
+	__raw_writew(shftval, addr);
+}
+
+u16 flash_read16(void *addr)
+{
+	u16 val = __raw_readw(addr);
+
+	return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
+}