powerpc/t1040qds: Add T1040QDS board

T1040QDS is a high-performance computing evaluation, development and
test platform supporting the T1040 QorIQ Power Architecture™ processor.

 T1040QDS board Overview
 -----------------------
 - Four e5500 cores, each with a private 256 KB L2 cache
 - 256 KB shared L3 CoreNet platform cache (CPC)
 - Interconnect CoreNet platform
 - 32-/64-bit DDR3L/DDR4 SDRAM memory controller with ECC and interleaving
   support
 - Data Path Acceleration Architecture (DPAA) incorporating acceleration
 for the following functions:
    -  Packet parsing, classification, and distribution
    -  Queue management for scheduling, packet sequencing, and congestion
    	management
    -  Cryptography Acceleration
    - RegEx Pattern Matching Acceleration
    - IEEE Std 1588 support
    - Hardware buffer management for buffer allocation and deallocation
 - Ethernet interfaces
    - Integrated 8-port Gigabit Ethernet switch
    - Four 1 Gbps Ethernet controllers
 - SERDES Connections, 8 lanes supporting:
      — PCI Express: supporting Gen 1 and Gen 2;
      — SGMII
      — QSGMII
      — SATA 2.0
      — Aurora debug with dedicated connectors
 - DDR Controller 32-/64-bit DDR3L/DDR4 SDRAM memory controller with ECC and
   Interleaving
 -IFC/Local Bus
     - NAND flash: 8-bit, async, up to 2GB.
     - NOR: 8-bit or 16-bit, non-multiplexed, up to 512MB
     - GASIC: Simple (minimal) target within Qixis FPGA
     - PromJET rapid memory download support
 - Ethernet
     - Two on-board RGMII 10/100/1G ethernet ports.
     - PHY #0 remains powered up during deep-sleep
 - QIXIS System Logic FPGA
 - Clocks
     - System and DDR clock (SYSCLK, “DDRCLK”)
     - SERDES clocks
 - Power Supplies
 - Video
     - DIU supports video at up to 1280x1024x32bpp
 - USB
     - Supports two USB 2.0 ports with integrated PHYs
     — Two type A ports with 5V@1.5A per port.
     — Second port can be converted to OTG mini-AB
 - SDHC
     - SDHC port connects directly to an adapter card slot, featuring:
     - Supporting SD slots for: SD, SDHC (1x, 4x, 8x) and/or MMC
     — Supporting eMMC memory devices
 - SPI
    -  On-board support of 3 different devices and sizes
 - Other IO
    - Two Serial ports
    - ProfiBus port
    - Four I2C ports

Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Priyanka Jain <Priyanka.Jain@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
[York Sun: fix conflict in boards.cfg]
Acked-by-by: York Sun <yorksun@freescale.com>

1 files changed, 255 insertions, 0 deletions

diff --git a/board/freescale/t1040qds/t1040qds.c b/board/freescale/t1040qds/t1040qds.c
new file mode 100644
index 0000000..5abb18a
--- /dev/null
+++ b/board/freescale/t1040qds/t1040qds.c
@@ -0,0 +1,255 @@
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <i2c.h>
+#include <netdev.h>
+#include <linux/compiler.h>
+#include <asm/mmu.h>
+#include <asm/processor.h>
+#include <asm/cache.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_law.h>
+#include <asm/fsl_serdes.h>
+#include <asm/fsl_portals.h>
+#include <asm/fsl_liodn.h>
+#include <fm_eth.h>
+
+#include "../common/qixis.h"
+#include "t1040qds.h"
+#include "t1040qds_qixis.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	char buf[64];
+	u8 sw;
+	struct cpu_type *cpu = gd->arch.cpu;
+	static const char *const freq[] = {"100", "125", "156.25", "161.13",
+						"122.88", "122.88", "122.88"};
+	int clock;
+
+	printf("Board: %sQDS, ", cpu->name);
+	printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, ",
+	       QIXIS_READ(id), QIXIS_READ(arch));
+
+	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("SERDES Reference: ");
+	sw = QIXIS_READ(brdcfg[2]);
+	clock = (sw >> 6) & 3;
+	printf("Clock1=%sMHz ", freq[clock]);
+	clock = (sw >> 4) & 3;
+	printf("Clock2=%sMHz\n", freq[clock]);
+
+	return 0;
+}
+
+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 board_early_init_r(void)
+{
+#ifdef CONFIG_SYS_FLASH_BASE
+	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
+	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
+
+	/*
+	 * Remap Boot flash + PROMJET 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 + promjet */
+	disable_tlb(flash_esel);
+
+	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
+		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		0, flash_esel, BOOKE_PAGESZ_256M, 1);
+#endif
+	set_liodns();
+#ifdef CONFIG_SYS_DPAA_QBMAN
+	setup_portals();
+#endif
+	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+
+	return 0;
+}
+
+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]);
+
+	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;
+}
+
+static const char *serdes_clock_to_string(u32 clock)
+{
+	switch (clock) {
+	case SRDS_PLLCR0_RFCK_SEL_100:
+		return "100";
+	case SRDS_PLLCR0_RFCK_SEL_125:
+		return "125";
+	case SRDS_PLLCR0_RFCK_SEL_156_25:
+		return "156.25";
+	default:
+		return "Unknown frequency";
+	}
+}
+
+#define NUM_SRDS_BANKS	2
+int misc_init_r(void)
+{
+	u8 sw;
+	serdes_corenet_t *srds_regs =
+		(void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
+	u32 actual[NUM_SRDS_BANKS] = { 0 };
+	int i;
+
+	sw = QIXIS_READ(brdcfg[2]);
+	for (i = 0; i < NUM_SRDS_BANKS; i++) {
+		unsigned int clock = (sw >> (6 - 2 * i)) & 3;
+		switch (clock) {
+		case 0:
+			actual[i] = SRDS_PLLCR0_RFCK_SEL_100;
+			break;
+		case 1:
+			actual[i] = SRDS_PLLCR0_RFCK_SEL_125;
+			break;
+		case 2:
+			actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25;
+			break;
+		}
+	}
+
+	puts("SerDes1");
+	for (i = 0; i < NUM_SRDS_BANKS; i++) {
+		u32 pllcr0 = srds_regs->bank[i].pllcr0;
+		u32 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
+		if (expected != actual[i]) {
+			printf("expects ref clk%d %sMHz, but actual is %sMHz\n",
+			       i + 1, serdes_clock_to_string(expected),
+			       serdes_clock_to_string(actual[i]));
+		}
+	}
+
+	return 0;
+}
+
+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);
+
+#ifdef CONFIG_PCI
+	pci_of_setup(blob, bd);
+#endif
+
+	fdt_fixup_liodn(blob);
+
+#ifdef CONFIG_HAS_FSL_DR_USB
+	fdt_fixup_dr_usb(blob, bd);
+#endif
+
+#ifdef CONFIG_SYS_DPAA_FMAN
+	fdt_fixup_fman_ethernet(blob);
+#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]));
+	}
+}