Merge branch 'u-boot/master'

Conflicts:
	drivers/net/Makefile

(trivial merge)

12 files changed, 433 insertions, 3 deletions

diff --git a/board/freescale/t104xrdb/Makefile b/board/freescale/t104xrdb/Makefile
index e51fb7a..6cd304c 100644
--- a/board/freescale/t104xrdb/Makefile
+++ b/board/freescale/t104xrdb/Makefile
@@ -4,10 +4,14 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-
+ifdef CONFIG_SPL_BUILD
+obj-y += spl.o
+else
 obj-y	+= t104xrdb.o
-obj-y	+= ddr.o
+obj-y	+= cpld.o
 obj-y	+= eth.o
 obj-$(CONFIG_PCI)	+= pci.o
+endif
+obj-y	+= ddr.o
 obj-y	+= law.o
 obj-y	+= tlb.o
diff --git a/board/freescale/t104xrdb/README b/board/freescale/t104xrdb/README
index 1da52bb..cdbe1fa 100644
--- a/board/freescale/t104xrdb/README
+++ b/board/freescale/t104xrdb/README
@@ -198,3 +198,76 @@ The below commands apply to the board
 
 	2.To change from vbank4 to vbank0
 		=> qixis reset (it will boot using vbank0)
+
+NAND boot with 2 Stage boot loader
+----------------------------------
+PBL initialise the internal SRAM and copy SPL(160KB) in SRAM.
+SPL further initialise DDR using SPD and environment variables and copy
+u-boot(768 KB) from flash to DDR.
+Finally SPL transer control to u-boot for futher booting.
+
+SPL has following features:
+ - Executes within 256K
+ - No relocation required
+
+ Run time view of SPL framework during  boot :-
+ -----------------------------------------------
+ Area        | Address                         |
+-----------------------------------------------
+ Secure boot | 0xFFFC0000 (32KB)               |
+ headers     |                                 |
+ -----------------------------------------------
+ GD, BD      | 0xFFFC8000 (4KB)                |
+ -----------------------------------------------
+ ENV         | 0xFFFC9000 (8KB)                |
+ -----------------------------------------------
+ HEAP        | 0xFFFCB000 (30KB)               |
+ -----------------------------------------------
+ STACK       | 0xFFFD8000 (22KB)               |
+ -----------------------------------------------
+ U-boot SPL  | 0xFFFD8000 (160KB)              |
+ -----------------------------------------------
+
+NAND Flash memory Map on T104xRDB
+------------------------------------------
+ Start		 End		Definition			Size
+0x000000	0x0FFFFF	u-boot                          1MB
+0x180000	0x19FFFF	u-boot env                      128KB
+0x280000	0x29FFFF	FMAN Ucode                      128KB
+0x380000	0x39FFFF	QE Firmware                     128KB
+
+SD Card memory Map on T104xRDB
+------------------------------------------
+ Block		#blocks		Definition			Size
+0x008		2048		u-boot                          1MB
+0x800		0024		u-boot env                      8KB
+0x820		0256		FMAN Ucode                      128KB
+0x920		0256		QE Firmware                     128KB
+
+SPI Flash memory Map on T104xRDB
+------------------------------------------
+ Start		 End		Definition			Size
+0x000000	0x0FFFFF	u-boot                          1MB
+0x100000	0x101FFF	u-boot env                      8KB
+0x110000	0x12FFFF	FMAN Ucode                      128KB
+0x130000	0x14FFFF	QE Firmware                     128KB
+
+Please note QE Firmware is only valid for T1040RDB
+
+
+Switch Settings: (ON is 0, OFF is 1)
+===============
+NAND boot SW setting:
+SW1: 10001000
+SW2: 00111001
+SW3: 11110001
+
+SPI boot SW setting:
+SW1: 00100010
+SW2: 10111001
+SW3: 11100001
+
+SD boot SW setting:
+SW1: 00100000
+SW2: 00111001
+SW3: 11100001
diff --git a/board/freescale/t104xrdb/cpld.c b/board/freescale/t104xrdb/cpld.c
new file mode 100644
index 0000000..df0e348
--- /dev/null
+++ b/board/freescale/t104xrdb/cpld.c
@@ -0,0 +1,112 @@
+/**
+ * Copyright 2014 Freescale Semiconductor
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * This file provides support for the board-specific CPLD used on some Freescale
+ * reference boards.
+ *
+ * The following macros need to be defined:
+ *
+ * CONFIG_SYS_CPLD_BASE-The virtual address of the base of the CPLD register map
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/io.h>
+
+#include "cpld.h"
+
+u8 cpld_read(unsigned int reg)
+{
+	void *p = (void *)CONFIG_SYS_CPLD_BASE;
+
+	return in_8(p + reg);
+}
+
+void cpld_write(unsigned int reg, u8 value)
+{
+	void *p = (void *)CONFIG_SYS_CPLD_BASE;
+
+	out_8(p + reg, value);
+}
+
+/**
+ * Set the boot bank to the alternate bank
+ */
+void cpld_set_altbank(void)
+{
+	u8 reg = CPLD_READ(flash_ctl_status);
+
+	reg = (reg & ~CPLD_BANK_SEL_MASK) | CPLD_LBMAP_ALTBANK;
+
+	CPLD_WRITE(flash_ctl_status, reg);
+	CPLD_WRITE(reset_ctl1, CPLD_LBMAP_RESET);
+}
+
+/**
+ * Set the boot bank to the default bank
+ */
+void cpld_set_defbank(void)
+{
+	u8 reg = CPLD_READ(flash_ctl_status);
+
+	reg = (reg & ~CPLD_BANK_SEL_MASK) | CPLD_LBMAP_DFLTBANK;
+
+	CPLD_WRITE(flash_ctl_status, reg);
+	CPLD_WRITE(reset_ctl1, CPLD_LBMAP_RESET);
+}
+
+#ifdef DEBUG
+static void cpld_dump_regs(void)
+{
+	printf("cpld_ver	 = 0x%02x\n", CPLD_READ(cpld_ver));
+	printf("cpld_ver_sub	 = 0x%02x\n", CPLD_READ(cpld_ver_sub));
+	printf("hw_ver		 = 0x%02x\n", CPLD_READ(hw_ver));
+	printf("sw_ver		 = 0x%02x\n", CPLD_READ(sw_ver));
+	printf("reset_ctl1	 = 0x%02x\n", CPLD_READ(reset_ctl1));
+	printf("reset_ctl2	 = 0x%02x\n", CPLD_READ(reset_ctl2));
+	printf("int_status	 = 0x%02x\n", CPLD_READ(int_status));
+	printf("flash_ctl_status = 0x%02x\n", CPLD_READ(flash_ctl_status));
+	printf("fan_ctl_status	 = 0x%02x\n", CPLD_READ(fan_ctl_status));
+	printf("led_ctl_status	 = 0x%02x\n", CPLD_READ(led_ctl_status));
+	printf("sfp_ctl_status	 = 0x%02x\n", CPLD_READ(sfp_ctl_status));
+	printf("misc_ctl_status	 = 0x%02x\n", CPLD_READ(misc_ctl_status));
+	printf("boot_override	 = 0x%02x\n", CPLD_READ(boot_override));
+	printf("boot_config1	 = 0x%02x\n", CPLD_READ(boot_config1));
+	printf("boot_config2	 = 0x%02x\n", CPLD_READ(boot_config2));
+	putc('\n');
+}
+#endif
+
+int do_cpld(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	int rc = 0;
+
+	if (argc <= 1)
+		return cmd_usage(cmdtp);
+
+	if (strcmp(argv[1], "reset") == 0) {
+		if (strcmp(argv[2], "altbank") == 0)
+			cpld_set_altbank();
+		else
+			cpld_set_defbank();
+#ifdef DEBUG
+	} else if (strcmp(argv[1], "dump") == 0) {
+		cpld_dump_regs();
+#endif
+	} else
+		rc = cmd_usage(cmdtp);
+
+	return rc;
+}
+
+U_BOOT_CMD(
+	cpld, CONFIG_SYS_MAXARGS, 1, do_cpld,
+	"Reset the board or alternate bank",
+	"reset - hard reset to default bank\n"
+	"cpld reset altbank - reset to alternate bank\n"
+#ifdef DEBUG
+	"cpld dump - display the CPLD registers\n"
+#endif
+	);
diff --git a/board/freescale/t104xrdb/cpld.h b/board/freescale/t104xrdb/cpld.h
new file mode 100644
index 0000000..0da9a01
--- /dev/null
+++ b/board/freescale/t104xrdb/cpld.h
@@ -0,0 +1,40 @@
+/**
+ * Copyright 2013 Freescale Semiconductor
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * This file provides support for the ngPIXIS, a board-specific FPGA used on
+ * some Freescale reference boards.
+ */
+
+/*
+ * CPLD register set. Feel free to add board-specific #ifdefs where necessary.
+ */
+struct cpld_data {
+	u8 cpld_ver;		/* 0x00 - CPLD Major Revision Register */
+	u8 cpld_ver_sub;	/* 0x01 - CPLD Minor Revision Register */
+	u8 hw_ver;		/* 0x02 - Hardware Revision Register */
+	u8 sw_ver;		/* 0x03 - Software Revision register */
+	u8 res0[12];		/* 0x04 - 0x0F - not used */
+	u8 reset_ctl1;		/* 0x10 - Reset control Register1 */
+	u8 reset_ctl2;		/* 0x11 - Reset control Register2 */
+	u8 int_status;		/* 0x12 - Interrupt status Register */
+	u8 flash_ctl_status;	/* 0x13 - Flash control and status register */
+	u8 fan_ctl_status;	/* 0x14 - Fan control and status register  */
+	u8 led_ctl_status;	/* 0x15 - LED control and status register */
+	u8 sfp_ctl_status;	/* 0x16 - SFP control and status register  */
+	u8 misc_ctl_status;	/* 0x17 - Miscellanies ctrl & status register*/
+	u8 boot_override;	/* 0x18 - Boot override register */
+	u8 boot_config1;	/* 0x19 - Boot config override register*/
+	u8 boot_config2;	/* 0x1A - Boot config override register*/
+} cpld_data_t;
+
+
+/* Pointer to the CPLD register set */
+
+u8 cpld_read(unsigned int reg);
+void cpld_write(unsigned int reg, u8 value);
+
+#define CPLD_READ(reg) cpld_read(offsetof(struct cpld_data, reg))
+#define CPLD_WRITE(reg, value)\
+		cpld_write(offsetof(struct cpld_data, reg), value)
diff --git a/board/freescale/t104xrdb/ddr.c b/board/freescale/t104xrdb/ddr.c
index 57d0f9c..34c9224 100644
--- a/board/freescale/t104xrdb/ddr.c
+++ b/board/freescale/t104xrdb/ddr.c
@@ -113,6 +113,7 @@ phys_size_t initdram(int board_type)
 {
 	phys_size_t dram_size;
 
+#if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_RAMBOOT_PBL)
 	puts("Initializing....using SPD\n");
 
 	dram_size = fsl_ddr_sdram();
@@ -120,6 +121,8 @@ phys_size_t initdram(int board_type)
 	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
 	dram_size *= 0x100000;
 
-	puts("    DDR: ");
+#else
+	dram_size =  fsl_ddr_sdram_size();
+#endif
 	return dram_size;
 }
diff --git a/board/freescale/t104xrdb/eth.c b/board/freescale/t104xrdb/eth.c
index 0188fd4..63e5f90 100644
--- a/board/freescale/t104xrdb/eth.c
+++ b/board/freescale/t104xrdb/eth.c
@@ -41,6 +41,7 @@ int board_eth_init(bd_t *bis)
 			/* T1040RDB only supports SGMII on DTSEC3 */
 			fm_info_set_phy_address(FM1_DTSEC3,
 						CONFIG_SYS_SGMII1_PHY_ADDR);
+			break;
 #endif
 		case PHY_INTERFACE_MODE_RGMII:
 			if (FM1_DTSEC4 == i)
diff --git a/board/freescale/t104xrdb/spl.c b/board/freescale/t104xrdb/spl.c
new file mode 100644
index 0000000..c628c95
--- /dev/null
+++ b/board/freescale/t104xrdb/spl.c
@@ -0,0 +1,122 @@
+/* Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <ns16550.h>
+#include <nand.h>
+#include <i2c.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <spi_flash.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+phys_size_t get_effective_memsize(void)
+{
+	return CONFIG_SYS_L3_SIZE;
+}
+
+unsigned long get_board_sys_clk(void)
+{
+	return CONFIG_SYS_CLK_FREQ;
+}
+
+unsigned long get_board_ddr_clk(void)
+{
+	return CONFIG_DDR_CLK_FREQ;
+}
+
+#define FSL_CORENET_CCSR_PORSR1_RCW_MASK	0xFF800000
+void board_init_f(ulong bootflag)
+{
+	u32 plat_ratio, sys_clk, uart_clk;
+#ifdef CONFIG_SPL_NAND_BOOT
+	u32 porsr1, pinctl;
+#endif
+	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+#ifdef CONFIG_SPL_NAND_BOOT
+	/*
+	 * There is T1040 SoC issue where NOR, FPGA are inaccessible during
+	 * NAND boot because IFC signals > IFC_AD7 are not enabled.
+	 * This workaround changes RCW source to make all signals enabled.
+	 */
+	porsr1 = in_be32(&gur->porsr1);
+	pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK)) | 0x24800000);
+	out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000), pinctl);
+#endif
+
+	/* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
+	memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
+
+	/* Update GD pointer */
+	gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
+
+	/* compiler optimization barrier needed for GCC >= 3.4 */
+	__asm__ __volatile__("" : : : "memory");
+
+	console_init_f();
+
+	/* initialize selected port with appropriate baud rate */
+	sys_clk = get_board_sys_clk();
+	plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
+	uart_clk = sys_clk * plat_ratio / 2;
+
+	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
+		     uart_clk / 16 / CONFIG_BAUDRATE);
+
+	relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+	bd_t *bd;
+
+	bd = (bd_t *)(gd + sizeof(gd_t));
+	memset(bd, 0, sizeof(bd_t));
+	gd->bd = bd;
+	bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
+	bd->bi_memsize = CONFIG_SYS_L3_SIZE;
+
+	probecpu();
+	get_clocks();
+	mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
+			CONFIG_SPL_RELOC_MALLOC_SIZE);
+
+#ifdef CONFIG_SPL_MMC_BOOT
+	mmc_initialize(bd);
+#endif
+
+	/* relocate environment function pointers etc. */
+#ifdef CONFIG_SPL_NAND_BOOT
+	nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+			    (uchar *)CONFIG_ENV_ADDR);
+#endif
+#ifdef CONFIG_SPL_MMC_BOOT
+	mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+			   (uchar *)CONFIG_ENV_ADDR);
+#endif
+#ifdef CONFIG_SPL_SPI_BOOT
+	spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+			   (uchar *)CONFIG_ENV_ADDR);
+#endif
+	gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
+	gd->env_valid = 1;
+
+	i2c_init_all();
+
+	puts("\n\n");
+
+	gd->ram_size = initdram(0);
+
+#ifdef CONFIG_SPL_MMC_BOOT
+	mmc_boot();
+#elif defined(CONFIG_SPL_SPI_BOOT)
+	spi_boot();
+#elif defined(CONFIG_SPL_NAND_BOOT)
+	nand_boot();
+#endif
+}
diff --git a/board/freescale/t104xrdb/t1040_rcw.cfg b/board/freescale/t104xrdb/t1040_rcw.cfg
new file mode 100644
index 0000000..3300c18
--- /dev/null
+++ b/board/freescale/t104xrdb/t1040_rcw.cfg
@@ -0,0 +1,7 @@
+#PBL preamble and RCW header
+aa55aa55 010e0100
+# serdes protocol 0x66
+0c18000e 0e000000 00000000 00000000
+66000002 80000002 e8106000 01000000
+00000000 00000000 00000000 00032810
+00000000 0342500f 00000000 00000000
diff --git a/board/freescale/t104xrdb/t1042_rcw.cfg b/board/freescale/t104xrdb/t1042_rcw.cfg
new file mode 100644
index 0000000..a3ea8ad
--- /dev/null
+++ b/board/freescale/t104xrdb/t1042_rcw.cfg
@@ -0,0 +1,7 @@
+#PBL preamble and RCW header
+aa55aa55 010e0100
+# serdes protocol 0x66
+0c18000e 0e000000 00000000 00000000
+06000002 00400002 e8106000 01000000
+00000000 00000000 00000000 00030810
+00000000 01fe0a06 00000000 00000000
diff --git a/board/freescale/t104xrdb/t104x_pbi.cfg b/board/freescale/t104xrdb/t104x_pbi.cfg
new file mode 100644
index 0000000..7b9e9b0
--- /dev/null
+++ b/board/freescale/t104xrdb/t104x_pbi.cfg
@@ -0,0 +1,26 @@
+#PBI commands
+#Initialize CPC1
+09010000 00200400
+09138000 00000000
+091380c0 00000100
+#Configure CPC1 as 256KB SRAM
+09010100 00000000
+09010104 fffc0007
+09010f00 08000000
+09010000 80000000
+#Configure LAW for CPC1
+09000cd0 00000000
+09000cd4 fffc0000
+09000cd8 81000011
+#Configure alternate space
+09000010 00000000
+09000014 ff000000
+09000018 81000000
+#Configure SPI controller
+09110000 80000403
+09110020 2d170008
+09110024 00100008
+09110028 00100008
+0911002c 00100008
+#Flush PBL data
+091380c0 000FFFFF
diff --git a/board/freescale/t104xrdb/t104xrdb.c b/board/freescale/t104xrdb/t104xrdb.c
index 6e29d64..fb5b849 100644
--- a/board/freescale/t104xrdb/t104xrdb.c
+++ b/board/freescale/t104xrdb/t104xrdb.c
@@ -17,16 +17,30 @@
 #include <asm/fsl_portals.h>
 #include <asm/fsl_liodn.h>
 #include <fm_eth.h>
+#include <asm/mpc85xx_gpio.h>
 
 #include "t104xrdb.h"
+#include "cpld.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
 int checkboard(void)
 {
 	struct cpu_type *cpu = gd->arch.cpu;
+	u8 sw;
 
 	printf("Board: %sRDB\n", cpu->name);
+	printf("Board rev: 0x%02x CPLD ver: 0x%02x, ",
+	       CPLD_READ(hw_ver), CPLD_READ(sw_ver));
+
+	sw = CPLD_READ(flash_ctl_status);
+	sw = ((sw & CPLD_LBMAP_MASK) >> CPLD_LBMAP_SHIFT);
+
+	if (sw <= 7)
+		printf("vBank: %d\n", sw);
+	else
+		printf("Unsupported Bank=%x\n", sw);
+
 	return 0;
 }
 
@@ -91,3 +105,12 @@ void ft_board_setup(void *blob, bd_t *bd)
 	fdt_fixup_fman_ethernet(blob);
 #endif
 }
+
+#ifdef CONFIG_DEEP_SLEEP
+void board_mem_sleep_setup(void)
+{
+	/* Disable MCKE isolation */
+	gpio_set_value(2, 0);
+	udelay(1);
+}
+#endif
diff --git a/board/freescale/t104xrdb/tlb.c b/board/freescale/t104xrdb/tlb.c
index 84f97a4..95c15aa 100644
--- a/board/freescale/t104xrdb/tlb.c
+++ b/board/freescale/t104xrdb/tlb.c
@@ -53,6 +53,7 @@ struct fsl_e_tlb_entry tlb_table[] = {
 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
 		      0, 2, BOOKE_PAGESZ_256M, 1),
 
+#ifndef CONFIG_SPL_BUILD
 	/* *I*G* - PCI */
 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
@@ -82,6 +83,7 @@ struct fsl_e_tlb_entry tlb_table[] = {
 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 		      0, 8, BOOKE_PAGESZ_16M, 1),
 #endif
+#endif
 #ifdef CONFIG_SYS_DCSRBAR_PHYS
 	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
@@ -102,6 +104,16 @@ struct fsl_e_tlb_entry tlb_table[] = {
 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 		      0, 11, BOOKE_PAGESZ_256K, 1),
 #endif
+
+#if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD)
+	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
+		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
+		      0, 12, BOOKE_PAGESZ_1G, 1),
+	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
+		      CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
+		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
+		      0, 13, BOOKE_PAGESZ_1G, 1)
+#endif
 };
 
 int num_tlb_entries = ARRAY_SIZE(tlb_table);