powerpc/t2080qds: add support for t2080qds board

The T2080QDS is a high-performance computing evaluation, development and
test platform supporting the T2080 QorIQ Power Architecture processor.

T2080QDS feature overview
Processor:
 - T2080 SoC integrating four 64-bit dual-threads e6500 cores up to 1.8GHz
Memory:
 - Single memory controller capable of supporting DDR3 and DDR3-LV devices
 - Two DDR3 DIMMs up to 4GB, Dual rank @ 2133MT/s and ECC support
Ethernet interfaces:
 - Two 1Gbps RGMII on-board ports
 - Four 10Gbps XFI on-board cages
 - 1Gbps/2.5Gbps SGMII Riser card
 - 10Gbps XAUI Riser card
Accelerator:
 - DPAA components consist of FMan, BMan, QMan, PME, DCE and SEC
SerDes:
 - 16 lanes up to 10.3125GHz
 - Supports Aurora debug, PEX, SATA, SGMII, sRIO, HiGig, XFI and XAUI
IFC:
 - 128MB NOR Flash, 512MB NAND Flash, PromJet debug port and FPGA
eSPI:
 - Three SPI flash (16MB N25Q128A + 16MB EN25S64 + 512KB SST25WF040)
USB:
 - Two USB2.0 ports with internal PHY (one Type-A + one micro Type-AB)
PCIE:
 - Four PCI Express controllers (two PCIe 2.0 and two PCIe 3.0 with SR-IOV)
SATA:
 - Two SATA 2.0 ports on-board
SRIO:
 - Two Serial RapidIO 2.0 ports up to 5 GHz
eSDHC:
 - Supports SD/SDHC/SDXC/eMMC Card
I2C:
 - Four I2C controllers.
UART:
 - Dual 4-pins UART serial ports
System Logic:
 - QIXIS-II FPGA system controll
Debug Features:
 - Support Legacy, COP/JTAG, Aurora, Event and EVT

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
[York Sun: removed Makefile blank line at EOF,
           fix conflicts with moving DDR driver]
Acked-by: York Sun <yorksun@freescale.com>

1 files changed, 324 insertions, 0 deletions

diff --git a/board/freescale/t2080qds/t2080qds.c b/board/freescale/t2080qds/t2080qds.c
new file mode 100644
index 0000000..cac32fe
--- /dev/null
+++ b/board/freescale/t2080qds/t2080qds.c
@@ -0,0 +1,324 @@
+/*
+ * Copyright 2009-2013 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/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 "../common/vsc3316_3308.h"
+#include "t2080qds.h"
+#include "t2080qds_qixis.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	char buf[64];
+	u8 sw;
+	struct cpu_type *cpu = gd->arch.cpu;
+	static const char *freq[4] = {
+		"100.00MHZ(from 8T49N222A)", "125.00MHz",
+		"156.25MHZ", "100.00MHz"
+	};
+
+	printf("Board: %sQDS, ", cpu->name);
+	sw = QIXIS_READ(arch);
+	printf("Sys ID: 0x%02x, Board Arch: V%d, ", QIXIS_READ(id), sw >> 4);
+	printf("Board Version: %c, boot from ", (sw & 0xf) + 'A' - 1);
+
+	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
+		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));
+
+	puts("SERDES Reference Clocks:\n");
+	sw = QIXIS_READ(brdcfg[2]);
+	printf("SD1_CLK1=%s, SD1_CLK2=%s\n", freq[sw >> 6],
+	       freq[(sw >> 4) & 0x3]);
+	printf("SD2_CLK1=%s, SD2_CLK2=%s\n", freq[(sw & 0xf) >> 2],
+	       freq[sw & 0x3]);
+
+	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 brd_mux_lane_to_slot(void)
+{
+	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	u32 srds_prtcl_s1, srds_prtcl_s2;
+
+	srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
+				FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
+	srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
+	srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
+				FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
+	srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
+
+	switch (srds_prtcl_s1) {
+	case 0:
+		/* SerDes1 is not enabled */
+		break;
+	case 0x1c:
+	case 0x95:
+	case 0xa2:
+	case 0x94:
+		/* SD1(A:D) => SLOT3 SGMII
+		 * SD1(G:H) => SLOT1 SGMII
+		 */
+		QIXIS_WRITE(brdcfg[12], 0x58);
+		break;
+	case 0x51:
+		/* SD1(A:D) => SLOT3 XAUI
+		 * SD1(E)   => SLOT1 PCIe4
+		 * SD1(F:H) => SLOT2 SGMII
+		 */
+		QIXIS_WRITE(brdcfg[12], 0x15);
+		break;
+	case 0x66:
+	case 0x67:
+		/* SD1(A:D) => XFI cage
+		 * SD1(E:H) => SLOT1 PCIe4
+		 */
+		QIXIS_WRITE(brdcfg[12], 0xfe);
+		break;
+	case 0x6b:
+		/* SD1(A:D) => XFI cage
+		 * SD1(E)   => SLOT1 PCIe4
+		 * SD1(F:H) => SLOT2 SGMII
+		 */
+		QIXIS_WRITE(brdcfg[12], 0xf1);
+		break;
+	case 0x6c:
+	case 0x6d:
+		/* SD1(A:B) => XFI cage
+		 * SD1(C:D) => SLOT3 SGMII
+		 * SD1(E:H) => SLOT1 PCIe4
+		 */
+		QIXIS_WRITE(brdcfg[12], 0xda);
+		break;
+	default:
+		printf("WARNING: unsupported for SerDes1 Protocol %d\n",
+		       srds_prtcl_s1);
+		return -1;
+	}
+
+	switch (srds_prtcl_s2) {
+	case 0:
+		/* SerDes2 is not enabled */
+		break;
+	case 0x01:
+	case 0x02:
+		/* SD2(A:H) => SLOT4 PCIe1 */
+		QIXIS_WRITE(brdcfg[13], 0x20);
+		break;
+	case 0x15:
+	case 0x16:
+		/*
+		 * SD2(A:D) => SLOT4 PCIe1
+		 * SD2(E:F) => SLOT5 PCIe2
+		 * SD2(G:H) => SATA1,SATA2
+		 */
+		QIXIS_WRITE(brdcfg[13], 0xb0);
+		break;
+	case 0x18:
+		/*
+		 * SD2(A:D) => SLOT4 PCIe1
+		 * SD2(E:F) => SLOT5 Aurora
+		 * SD2(G:H) => SATA1,SATA2
+		 */
+		QIXIS_WRITE(brdcfg[13], 0x70);
+		break;
+	case 0x1f:
+		/*
+		 * SD2(A:D) => SLOT4 PCIe1
+		 * SD2(E:H) => SLOT5 PCIe2
+		 */
+		QIXIS_WRITE(brdcfg[13], 0xa0);
+		break;
+	case 0x29:
+	case 0x2d:
+	case 0x2e:
+		/*
+		 * SD2(A:D) => SLOT4 SRIO2
+		 * SD2(E:H) => SLOT5 SRIO1
+		 */
+		QIXIS_WRITE(brdcfg[13], 0x50);
+		break;
+	default:
+		printf("WARNING: unsupported for SerDes2 Protocol %d\n",
+		       srds_prtcl_s2);
+		return -1;
+	}
+	return 0;
+}
+
+int board_early_init_r(void)
+{
+	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);
+
+	set_liodns();
+#ifdef CONFIG_SYS_DPAA_QBMAN
+	setup_portals();
+#endif
+
+	/* Disable remote I2C connection to qixis fpga */
+	QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE);
+
+	brd_mux_lane_to_slot();
+	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
+
+	return 0;
+}
+
+unsigned long get_board_sys_clk(void)
+{
+	u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
+#ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
+	/* use accurate clock measurement */
+	int freq = QIXIS_READ(clk_freq[0]) << 8 | QIXIS_READ(clk_freq[1]);
+	int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
+	u32 val;
+
+	val =  freq * base;
+	if (val) {
+		debug("SYS Clock measurement is: %d\n", val);
+		return val;
+	} else {
+		printf("Warning: SYS clock measurement is invalid, ");
+		printf("using value from brdcfg1.\n");
+	}
+#endif
+
+	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]);
+#ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
+	/* use accurate clock measurement */
+	int freq = QIXIS_READ(clk_freq[2]) << 8 | QIXIS_READ(clk_freq[3]);
+	int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
+	u32 val;
+
+	val =  freq * base;
+	if (val) {
+		debug("DDR Clock measurement is: %d\n", val);
+		return val;
+	} else {
+		printf("Warning: DDR clock measurement is invalid, ");
+		printf("using value from brdcfg1.\n");
+	}
+#endif
+
+	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 misc_init_r(void)
+{
+	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);
+	fdt_fixup_dr_usb(blob, bd);
+
+#ifdef CONFIG_SYS_DPAA_FMAN
+	fdt_fixup_fman_ethernet(blob);
+	fdt_fixup_board_enet(blob);
+#endif
+}