Merge branch 'master' of git://git.denx.de/u-boot-mips

5 files changed, 30 insertions, 330 deletions

diff --git a/arch/mips/cpu/mips32/start.S b/arch/mips/cpu/mips32/start.S
index 68e59b5..384ea26 100644
--- a/arch/mips/cpu/mips32/start.S
+++ b/arch/mips/cpu/mips32/start.S
@@ -136,10 +136,11 @@ reset:
 
 	/* Set up temporary stack */
 	li	sp, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
+	move	fp, sp
 
 	la	t9, board_init_f
 	jr	t9
-	 nop
+	 move	ra, zero
 
 /*
  * void relocate_code (addr_sp, gd, addr_moni)
@@ -155,6 +156,7 @@ reset:
 	.ent	relocate_code
 relocate_code:
 	move	sp, a0			# set new stack pointer
+	move	fp, sp
 
 	move	s0, a1			# save gd in s0
 	move	s2, a2			# save destination address in s2
@@ -260,8 +262,9 @@ in_ram:
 	 addi	t1, 4
 
 	move	a0, s0			# a0 <-- gd
+	move	a1, s2
 	la	t9, board_init_r
 	jr	t9
-	 move	a1, s2
+	 move	ra, zero
 
 	.end	relocate_code
diff --git a/arch/mips/cpu/mips64/start.S b/arch/mips/cpu/mips64/start.S
index 92954e1..6ff714e 100644
--- a/arch/mips/cpu/mips64/start.S
+++ b/arch/mips/cpu/mips64/start.S
@@ -130,10 +130,11 @@ reset:
 
 	/* Set up temporary stack */
 	dli	sp, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
+	move	fp, sp
 
 	dla	t9, board_init_f
 	jr	t9
-	 nop
+	 move	ra, zero
 
 /*
  * void relocate_code (addr_sp, gd, addr_moni)
@@ -149,6 +150,7 @@ reset:
 	.ent	relocate_code
 relocate_code:
 	move	sp, a0			# set new stack pointer
+	move	fp, sp
 
 	move	s0, a1			# save gd in s0
 	move	s2, a2			# save destination address in s2
@@ -254,8 +256,9 @@ in_ram:
 	 daddi	t1, 8
 
 	move	a0, s0			# a0 <-- gd
+	move	a1, s2
 	dla	t9, board_init_r
 	jr	t9
-	 move	a1, s2
+	 move	ra, zero
 
 	.end	relocate_code
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index e483e86..7f9b653 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -5,9 +5,6 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-ifndef CONFIG_SYS_GENERIC_BOARD
-obj-y	+= board.o
-endif
 obj-y	+= io.o
 
 obj-$(CONFIG_CMD_BOOTM) += bootm.o
diff --git a/arch/mips/lib/board.c b/arch/mips/lib/board.c
deleted file mode 100644
index 3feb020..0000000
--- a/arch/mips/lib/board.c
+++ /dev/null
@@ -1,320 +0,0 @@
-/*
- * (C) Copyright 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <command.h>
-#include <malloc.h>
-#include <serial.h>
-#include <stdio_dev.h>
-#include <version.h>
-#include <net.h>
-#include <environment.h>
-#include <nand.h>
-#include <onenand_uboot.h>
-#include <spi.h>
-
-#ifdef CONFIG_BITBANGMII
-#include <miiphy.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-ulong monitor_flash_len;
-
-static char *failed = "*** failed ***\n";
-
-int __board_early_init_f(void)
-{
-	/*
-	 * Nothing to do in this dummy implementation
-	 */
-	return 0;
-}
-int board_early_init_f(void)
-	__attribute__((weak, alias("__board_early_init_f")));
-
-static int init_func_ram(void)
-{
-#ifdef	CONFIG_BOARD_TYPES
-	int board_type = gd->board_type;
-#else
-	int board_type = 0;	/* use dummy arg */
-#endif
-	puts("DRAM:  ");
-
-	gd->ram_size = initdram(board_type);
-	if (gd->ram_size > 0) {
-		print_size(gd->ram_size, "\n");
-		return 0;
-	}
-	puts(failed);
-	return 1;
-}
-
-static int display_banner(void)
-{
-
-	printf("\n\n%s\n\n", version_string);
-	return 0;
-}
-
-#ifndef CONFIG_SYS_NO_FLASH
-static void display_flash_config(ulong size)
-{
-	puts("Flash: ");
-	print_size(size, "\n");
-}
-#endif
-
-static int init_baudrate(void)
-{
-	gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
-	return 0;
-}
-
-
-/*
- * Breath some life into the board...
- *
- * The first part of initialization is running from Flash memory;
- * its main purpose is to initialize the RAM so that we
- * can relocate the monitor code to RAM.
- */
-
-/*
- * All attempts to come up with a "common" initialization sequence
- * that works for all boards and architectures failed: some of the
- * requirements are just _too_ different. To get rid of the resulting
- * mess of board dependend #ifdef'ed code we now make the whole
- * initialization sequence configurable to the user.
- *
- * The requirements for any new initalization function is simple: it
- * receives a pointer to the "global data" structure as it's only
- * argument, and returns an integer return code, where 0 means
- * "continue" and != 0 means "fatal error, hang the system".
- */
-typedef int (init_fnc_t)(void);
-
-init_fnc_t *init_sequence[] = {
-	board_early_init_f,
-	timer_init,
-	env_init,		/* initialize environment */
-	init_baudrate,		/* initialize baudrate settings */
-	serial_init,		/* serial communications setup */
-	console_init_f,
-	display_banner,		/* say that we are here */
-	checkboard,
-	init_func_ram,
-	NULL,
-};
-
-
-void board_init_f(ulong bootflag)
-{
-	gd_t gd_data, *id;
-	bd_t *bd;
-	init_fnc_t **init_fnc_ptr;
-	ulong addr, addr_sp, len;
-	ulong *s;
-
-	/* Pointer is writable since we allocated a register for it.
-	 */
-	gd = &gd_data;
-	/* compiler optimization barrier needed for GCC >= 3.4 */
-	__asm__ __volatile__("" : : : "memory");
-
-	memset((void *)gd, 0, sizeof(gd_t));
-
-	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
-		if ((*init_fnc_ptr)() != 0)
-			hang();
-	}
-
-	/*
-	 * Now that we have DRAM mapped and working, we can
-	 * relocate the code and continue running from DRAM.
-	 */
-	addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
-
-	/* We can reserve some RAM "on top" here.
-	 */
-
-	/* round down to next 4 kB limit.
-	 */
-	addr &= ~(4096 - 1);
-	debug("Top of RAM usable for U-Boot at: %08lx\n", addr);
-
-	/* Reserve memory for U-Boot code, data & bss
-	 * round down to next 16 kB limit
-	 */
-	len = bss_end() - CONFIG_SYS_MONITOR_BASE;
-	addr -= len;
-	addr &= ~(16 * 1024 - 1);
-
-	debug("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
-
-	 /* Reserve memory for malloc() arena.
-	 */
-	addr_sp = addr - TOTAL_MALLOC_LEN;
-	debug("Reserving %dk for malloc() at: %08lx\n",
-			TOTAL_MALLOC_LEN >> 10, addr_sp);
-
-	/*
-	 * (permanently) allocate a Board Info struct
-	 * and a permanent copy of the "global" data
-	 */
-	addr_sp -= sizeof(bd_t);
-	bd = (bd_t *)addr_sp;
-	gd->bd = bd;
-	debug("Reserving %zu Bytes for Board Info at: %08lx\n",
-			sizeof(bd_t), addr_sp);
-
-	addr_sp -= sizeof(gd_t);
-	id = (gd_t *)addr_sp;
-	debug("Reserving %zu Bytes for Global Data at: %08lx\n",
-			sizeof(gd_t), addr_sp);
-
-	/* Reserve memory for boot params.
-	 */
-	addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN;
-	bd->bi_boot_params = addr_sp;
-	debug("Reserving %dk for boot params() at: %08lx\n",
-			CONFIG_SYS_BOOTPARAMS_LEN >> 10, addr_sp);
-
-	/*
-	 * Finally, we set up a new (bigger) stack.
-	 *
-	 * Leave some safety gap for SP, force alignment on 16 byte boundary
-	 * Clear initial stack frame
-	 */
-	addr_sp -= 16;
-	addr_sp &= ~0xF;
-	s = (ulong *)addr_sp;
-	*s-- = 0;
-	*s-- = 0;
-	addr_sp = (ulong)s;
-	debug("Stack Pointer at: %08lx\n", addr_sp);
-
-	/*
-	 * Save local variables to board info struct
-	 */
-	bd->bi_memstart	= CONFIG_SYS_SDRAM_BASE;	/* start of DRAM */
-	bd->bi_memsize	= gd->ram_size;		/* size of DRAM in bytes */
-
-	memcpy(id, (void *)gd, sizeof(gd_t));
-
-	relocate_code(addr_sp, id, addr);
-
-	/* NOTREACHED - relocate_code() does not return */
-}
-
-/*
- * This is the next part if the initialization sequence: we are now
- * running from RAM and have a "normal" C environment, i. e. global
- * data can be written, BSS has been cleared, the stack size in not
- * that critical any more, etc.
- */
-
-void board_init_r(gd_t *id, ulong dest_addr)
-{
-#ifndef CONFIG_SYS_NO_FLASH
-	ulong size;
-#endif
-	bd_t *bd;
-
-	gd = id;
-	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */
-
-	debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
-
-	gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
-
-	monitor_flash_len = image_copy_end() - dest_addr;
-
-	serial_initialize();
-
-	bd = gd->bd;
-
-	/* The Malloc area is immediately below the monitor copy in DRAM */
-	mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
-			TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN);
-
-#ifndef CONFIG_SYS_NO_FLASH
-	/* configure available FLASH banks */
-	size = flash_init();
-	display_flash_config(size);
-	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
-	bd->bi_flashsize = size;
-
-#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
-	bd->bi_flashoffset = monitor_flash_len;	/* reserved area for U-Boot */
-#else
-	bd->bi_flashoffset = 0;
-#endif
-#else
-	bd->bi_flashstart = 0;
-	bd->bi_flashsize = 0;
-	bd->bi_flashoffset = 0;
-#endif
-
-#ifdef CONFIG_CMD_NAND
-	puts("NAND:  ");
-	nand_init();		/* go init the NAND */
-#endif
-
-#if defined(CONFIG_CMD_ONENAND)
-	onenand_init();
-#endif
-
-	/* relocate environment function pointers etc. */
-	env_relocate();
-
-#if defined(CONFIG_PCI)
-	/*
-	 * Do pci configuration
-	 */
-	pci_init();
-#endif
-
-/** leave this here (after malloc(), environment and PCI are working) **/
-	/* Initialize stdio devices */
-	stdio_init();
-
-	jumptable_init();
-
-	/* Initialize the console (after the relocation and devices init) */
-	console_init_r();
-/** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **/
-
-	/* Initialize from environment */
-	load_addr = getenv_ulong("loadaddr", 16, load_addr);
-
-#ifdef CONFIG_CMD_SPI
-	puts("SPI:   ");
-	spi_init();		/* go init the SPI */
-	puts("ready\n");
-#endif
-
-#if defined(CONFIG_MISC_INIT_R)
-	/* miscellaneous platform dependent initialisations */
-	misc_init_r();
-#endif
-
-#ifdef CONFIG_BITBANGMII
-	bb_miiphy_init();
-#endif
-#if defined(CONFIG_CMD_NET)
-	puts("Net:   ");
-	eth_initialize(gd->bd);
-#endif
-
-	/* main_loop() can return to retry autoboot, if so just run it again. */
-	for (;;)
-		main_loop();
-
-	/* NOTREACHED - no way out of command loop except booting */
-}
diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c
index 71bb0d2..e0722d2 100644
--- a/arch/mips/lib/bootm.c
+++ b/arch/mips/lib/bootm.c
@@ -6,10 +6,7 @@
  */
 
 #include <common.h>
-#include <command.h>
 #include <image.h>
-#include <u-boot/zlib.h>
-#include <asm/byteorder.h>
 #include <asm/addrspace.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -52,6 +49,20 @@ void arch_lmb_reserve(struct lmb *lmb)
 	lmb_reserve(lmb, sp, CONFIG_SYS_SDRAM_BASE + gd->ram_size - sp);
 }
 
+static int boot_setup_linux(bootm_headers_t *images)
+{
+	int ret;
+	ulong rd_len;
+
+	rd_len = images->rd_end - images->rd_start;
+	ret = boot_ramdisk_high(&images->lmb, images->rd_start,
+		rd_len, &images->initrd_start, &images->initrd_end);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
 static void linux_cmdline_init(void)
 {
 	linux_argc = 1;
@@ -224,6 +235,8 @@ static void boot_jump_linux(bootm_headers_t *images)
 int do_bootm_linux(int flag, int argc, char * const argv[],
 			bootm_headers_t *images)
 {
+	int ret;
+
 	/* No need for those on MIPS */
 	if (flag & BOOTM_STATE_OS_BD_T)
 		return -1;
@@ -243,6 +256,10 @@ int do_bootm_linux(int flag, int argc, char * const argv[],
 		return 0;
 	}
 
+	ret = boot_setup_linux(images);
+	if (ret)
+		return ret;
+
 	boot_cmdline_linux(images);
 	boot_prep_linux(images);
 	boot_jump_linux(images);