armv8: ls1088ardb: Add support for LS1088ARDB platform

LS1088A is an ARMv8 implementation. The LS1088ARDB is an evaluatoin
platform that supports the LS1088A family SoCs. This patch add basic
support of the platform.

Signed-off-by: Alison Wang <alison.wang@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
Signed-off-by: Raghav Dogra <raghav.dogra@nxp.com>
Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
[YS: Disabled NAND in board header file]
Reviewed-by: York Sun <york.sun@nxp.com>

WIP: disable NAND for LS1088ARDB

1 files changed, 332 insertions, 0 deletions

diff --git a/board/freescale/ls1088a/ls1088a.c b/board/freescale/ls1088a/ls1088a.c
new file mode 100644
index 0000000000..a022da9827
--- /dev/null
+++ b/board/freescale/ls1088a/ls1088a.c
@@ -0,0 +1,332 @@
+/*
+ * Copyright 2017 NXP
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <i2c.h>
+#include <malloc.h>
+#include <errno.h>
+#include <netdev.h>
+#include <fsl_ifc.h>
+#include <fsl_ddr.h>
+#include <fsl_sec.h>
+#include <asm/io.h>
+#include <fdt_support.h>
+#include <libfdt.h>
+#include <fsl-mc/fsl_mc.h>
+#include <environment.h>
+#include <asm/arch-fsl-layerscape/soc.h>
+#include <asm/arch/ppa.h>
+
+#include "../common/qixis.h"
+#include "ls1088a_qixis.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+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;
+
+
+	printf("Board: LS1088A-RDB, ");
+
+	sw = QIXIS_READ(arch);
+	printf("Board Arch: V%d, ", sw >> 4);
+
+	printf("Board version: %c, boot from ", (sw & 0xf) + 'A');
+
+
+	memset((u8 *)buf, 0x00, ARRAY_SIZE(buf));
+
+	sw = QIXIS_READ(brdcfg[0]);
+	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
+
+#ifdef CONFIG_SD_BOOT
+	puts("SD card\n");
+#endif
+	switch (sw) {
+	case 0:
+
+		puts("QSPI:");
+		sw = QIXIS_READ(brdcfg[0]);
+		sw = (sw & QIXIS_QMAP_MASK) >> QIXIS_QMAP_SHIFT;
+		if (sw == 0 || sw == 4)
+			puts("0\n");
+		else if (sw == 1)
+			puts("1\n");
+		else
+			puts("EMU\n");
+		break;
+
+	default:
+		printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
+		break;
+	}
+
+
+	printf("CPLD: v%d.%d\n", QIXIS_READ(scver), QIXIS_READ(tagdata));
+
+
+	/*
+	 * 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;
+}
+
+bool if_board_diff_clk(void)
+{
+	u8 diff_conf = QIXIS_READ(dutcfg[11]);
+	return diff_conf & 0x80;
+}
+
+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]);
+
+	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;
+}
+
+void board_retimer_init(void)
+{
+	u8 reg;
+
+	/* Retimer is connected to I2C1_CH5 */
+	select_i2c_ch_pca9547(I2C_MUX_CH5);
+
+	/* Access to Control/Shared register */
+	reg = 0x0;
+	i2c_write(I2C_RETIMER_ADDR, 0xff, 1, &reg, 1);
+
+	/* Read device revision and ID */
+	i2c_read(I2C_RETIMER_ADDR, 1, 1, &reg, 1);
+	debug("Retimer version id = 0x%x\n", reg);
+
+	/* Enable Broadcast. All writes target all channel register sets */
+	reg = 0x0c;
+	i2c_write(I2C_RETIMER_ADDR, 0xff, 1, &reg, 1);
+
+	/* Reset Channel Registers */
+	i2c_read(I2C_RETIMER_ADDR, 0, 1, &reg, 1);
+	reg |= 0x4;
+	i2c_write(I2C_RETIMER_ADDR, 0, 1, &reg, 1);
+
+	/* Set data rate as 10.3125 Gbps */
+	reg = 0x90;
+	i2c_write(I2C_RETIMER_ADDR, 0x60, 1, &reg, 1);
+	reg = 0xb3;
+	i2c_write(I2C_RETIMER_ADDR, 0x61, 1, &reg, 1);
+	reg = 0x90;
+	i2c_write(I2C_RETIMER_ADDR, 0x62, 1, &reg, 1);
+	reg = 0xb3;
+	i2c_write(I2C_RETIMER_ADDR, 0x63, 1, &reg, 1);
+	reg = 0xcd;
+	i2c_write(I2C_RETIMER_ADDR, 0x64, 1, &reg, 1);
+
+	/* Select VCO Divider to full rate (000) */
+	i2c_read(I2C_RETIMER_ADDR, 0x2F, 1, &reg, 1);
+	reg &= 0x0f;
+	reg |= 0x70;
+	i2c_write(I2C_RETIMER_ADDR, 0x2F, 1, &reg, 1);
+
+
+	/*return the default channel*/
+	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+}
+
+int board_init(void)
+{
+	init_final_memctl_regs();
+#if defined(CONFIG_TARGET_LS1088ARDB) && defined(CONFIG_FSL_MC_ENET)
+	u32 __iomem *irq_ccsr = (u32 __iomem *)ISC_BASE;
+#endif
+
+	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+	board_retimer_init();
+
+#ifdef CONFIG_ENV_IS_NOWHERE
+	gd->env_addr = (ulong)&default_environment[0];
+#endif
+
+#if defined(CONFIG_TARGET_LS1088ARDB) && defined(CONFIG_FSL_MC_ENET)
+	/* invert AQR105 IRQ pins polarity */
+	out_le32(irq_ccsr + IRQCR_OFFSET / 4, AQR105_IRQ_MASK);
+#endif
+
+#ifdef CONFIG_FSL_LS_PPA
+	ppa_init();
+#endif
+	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 defined(CONFIG_ARCH_MISC_INIT)
+int arch_misc_init(void)
+{
+#ifdef CONFIG_FSL_CAAM
+	sec_init();
+#endif
+	return 0;
+}
+#endif
+
+#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, i;
+	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 */
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		base[i] = gd->bd->bi_dram[i].start;
+		size[i] = gd->bd->bi_dram[i].size;
+	}
+
+#ifdef CONFIG_RESV_RAM
+	/* reduce size if reserved memory is within this bank */
+	if (gd->arch.resv_ram >= base[0] &&
+	    gd->arch.resv_ram < base[0] + size[0])
+		size[0] = gd->arch.resv_ram - base[0];
+	else if (gd->arch.resv_ram >= base[1] &&
+		 gd->arch.resv_ram < base[1] + size[1])
+		size[1] = gd->arch.resv_ram - base[1];
+#endif
+
+	fdt_fixup_memory_banks(blob, base, size, CONFIG_NR_DRAM_BANKS);
+
+#ifdef CONFIG_FSL_MC_ENET
+	fdt_fixup_board_enet(blob);
+	err = fsl_mc_ldpaa_exit(bd);
+	if (err)
+		return err;
+#endif
+
+	return 0;
+}
+#endif