[Blackfin]PATCH-1/2]: Remove obsolete blackfin port and add bf533 platform support

1 files changed, 213 insertions, 35 deletions

diff --git a/lib_blackfin/board.c b/lib_blackfin/board.c
index d9dc2b6..7c6a1e9 100644
--- a/lib_blackfin/board.c
+++ b/lib_blackfin/board.c
@@ -32,21 +32,79 @@
 #include <version.h>
 #include <net.h>
 #include <environment.h>
+#include <i2c.h>
 #include "blackfin_board.h"
+#include <asm/cplb.h>
 #include "../drivers/smc91111.h"
 
-DECLARE_GLOBAL_DATA_PTR;
+#if defined(CONFIG_BF537)&&defined(CONFIG_POST)
+#include <post.h>
+int post_flag;
+#endif
 
+#ifdef DEBUG
+#define pr_debug(fmt,arg...)  printf(fmt,##arg)
+#else
+static inline int
+    __attribute__ ((format(printf, 1, 2))) pr_debug(const char *fmt, ...)
+{
+	return 0;
+}
+#endif
+
+#ifndef CFG_NO_FLASH
 extern flash_info_t flash_info[];
+#endif
 
+static inline u_long get_vco(void)
+{
+	u_long msel;
+	u_long vco;
+
+	msel = (*pPLL_CTL >> 9) & 0x3F;
+	if (0 == msel)
+		msel = 64;
+
+	vco = CONFIG_CLKIN_HZ;
+	vco >>= (1 & *pPLL_CTL);	/* DF bit */
+	vco = msel * vco;
+	return vco;
+}
+
+/*Get the Core clock*/
+u_long get_cclk(void)
+{
+	u_long csel, ssel;
+	if (*pPLL_STAT & 0x1)
+		return CONFIG_CLKIN_HZ;
+
+	ssel = *pPLL_DIV;
+	csel = ((ssel >> 4) & 0x03);
+	ssel &= 0xf;
+	if (ssel && ssel < (1 << csel))	/* SCLK > CCLK */
+		return get_vco() / ssel;
+	return get_vco() >> csel;
+}
+
+/* Get the System clock */
+u_long get_sclk(void)
+{
+	u_long ssel;
+
+	if (*pPLL_STAT & 0x1)
+		return CONFIG_CLKIN_HZ;
+
+	ssel = (*pPLL_DIV & 0xf);
+
+	return get_vco() / ssel;
+}
 
 static void mem_malloc_init(void)
 {
 	mem_malloc_start = CFG_MALLOC_BASE;
 	mem_malloc_end = (CFG_MALLOC_BASE + CFG_MALLOC_LEN);
 	mem_malloc_brk = mem_malloc_start;
-	memset((void *) mem_malloc_start, 0,
-	mem_malloc_end - mem_malloc_start);
+	memset((void *)mem_malloc_start, 0, mem_malloc_end - mem_malloc_start);
 }
 
 void *sbrk(ptrdiff_t increment)
@@ -59,7 +117,7 @@ void *sbrk(ptrdiff_t increment)
 	}
 	mem_malloc_brk = new;
 
-	return ((void *) old);
+	return ((void *)old);
 }
 
 static int display_banner(void)
@@ -78,17 +136,20 @@ static void display_flash_config(ulong size)
 
 static int init_baudrate(void)
 {
-	uchar tmp[64];
+	DECLARE_GLOBAL_DATA_PTR;
+
+	char tmp[64];
 	int i = getenv_r("baudrate", tmp, sizeof(tmp));
 	gd->bd->bi_baudrate = gd->baudrate = (i > 0)
-		? (int) simple_strtoul(tmp, NULL, 10)
-		: CONFIG_BAUDRATE;
+	    ? (int)simple_strtoul(tmp, NULL, 10)
+	    : CONFIG_BAUDRATE;
 	return (0);
 }
 
 #ifdef DEBUG
 static void display_global_data(void)
 {
+	DECLARE_GLOBAL_DATA_PTR;
 	bd_t *bd;
 	bd = gd->bd;
 	printf("--flags:%x\n", gd->flags);
@@ -103,12 +164,10 @@ static void display_global_data(void)
 	printf("---bi_baudrate:%x\n", bd->bi_baudrate);
 	printf("---bi_ip_addr:%x\n", bd->bi_ip_addr);
 	printf("---bi_enetaddr:%x %x %x %x %x %x\n",
-				bd->bi_enetaddr[0],
-				bd->bi_enetaddr[1],
-				bd->bi_enetaddr[2],
-				bd->bi_enetaddr[3],
-				bd->bi_enetaddr[4],
-				bd->bi_enetaddr[5]);
+	       bd->bi_enetaddr[0],
+	       bd->bi_enetaddr[1],
+	       bd->bi_enetaddr[2],
+	       bd->bi_enetaddr[3], bd->bi_enetaddr[4], bd->bi_enetaddr[5]);
 	printf("---bi_arch_number:%x\n", bd->bi_arch_number);
 	printf("---bi_boot_params:%x\n", bd->bi_boot_params);
 	printf("---bi_memstart:%x\n", bd->bi_memstart);
@@ -120,6 +179,71 @@ static void display_global_data(void)
 }
 #endif
 
+/* we cover everything with 4 meg pages, and need an extra for L1 */
+unsigned int icplb_table[page_descriptor_table_size][2];
+unsigned int dcplb_table[page_descriptor_table_size][2];
+
+void init_cplbtables(void)
+{
+	int i, j;
+
+	j = 0;
+	icplb_table[j][0] = 0xFFA00000;
+	icplb_table[j][1] = L1_IMEMORY;
+	j++;
+
+	for (i = 0; i <= CONFIG_MEM_SIZE / 4; i++) {
+		icplb_table[j][0] = (i * 4 * 1024 * 1024);
+		if (i * 4 * 1024 * 1024 <= CFG_MONITOR_BASE
+		    && (i + 1) * 4 * 1024 * 1024 >= CFG_MONITOR_BASE) {
+			icplb_table[j][1] = SDRAM_IKERNEL;
+		} else {
+			icplb_table[j][1] = SDRAM_IGENERIC;
+		}
+		j++;
+	}
+#if defined(CONFIG_BF561)
+	/* Async Memory space */
+	for (i = 0; i < 3; i++) {
+		icplb_table[j++][0] = 0x20000000 + i * 4 * 1024 * 1024;
+		icplb_table[j++][1] = SDRAM_IGENERIC;
+	}
+#else
+	icplb_table[j][0] = 0x20000000;
+	icplb_table[j][1] = SDRAM_IGENERIC;
+#endif
+	j = 0;
+	dcplb_table[j][0] = 0xFF800000;
+	dcplb_table[j][1] = L1_DMEMORY;
+	j++;
+
+	for (i = 0; i < CONFIG_MEM_SIZE / 4; i++) {
+		dcplb_table[j][0] = (i * 4 * 1024 * 1024);
+		if (i * 4 * 1024 * 1024 <= CFG_MONITOR_BASE
+		    && (i + 1) * 4 * 1024 * 1024 >= CFG_MONITOR_BASE) {
+			dcplb_table[j][1] = SDRAM_DKERNEL;
+		} else {
+			dcplb_table[j][1] = SDRAM_DGENERIC;
+		}
+		j++;
+	}
+
+#if defined(CONFIG_BF561)
+	/* MAC space */
+	dcplb_table[j++][0] = CONFIG_ASYNC_EBIU_BASE;
+	dcplb_table[j++][1] = SDRAM_EBIU;
+
+	/* Flash space */
+	for (i = 0; i < 2; i++) {
+		dcplb_table[j++][0] = 0x20000000 + i * 4 * 1024 * 1024;
+		dcplb_table[j++][1] = SDRAM_EBIU;
+	}
+#else
+	dcplb_table[j][0] = 0x20000000;
+	dcplb_table[j][1] = SDRAM_EBIU;
+#endif
+}
+
 /*
  * All attempts to come up with a "common" initialization sequence
  * that works for all boards and architectures failed: some of the
@@ -135,20 +259,24 @@ static void display_global_data(void)
 
 void board_init_f(ulong bootflag)
 {
+	DECLARE_GLOBAL_DATA_PTR;
 	ulong addr;
 	bd_t *bd;
+	int i;
+
+	init_cplbtables();
 
 	gd = (gd_t *) (CFG_GBL_DATA_ADDR);
-	memset((void *) gd, 0, sizeof(gd_t));
+	memset((void *)gd, 0, sizeof(gd_t));
 
 	/* Board data initialization */
 	addr = (CFG_GBL_DATA_ADDR + sizeof(gd_t));
 
 	/* Align to 4 byte boundary */
 	addr &= ~(4 - 1);
-	bd = (bd_t*)addr;
+	bd = (bd_t *) addr;
 	gd->bd = bd;
-	memset((void *) bd, 0, sizeof(bd_t));
+	memset((void *)bd, 0, sizeof(bd_t));
 
 	/* Initialize */
 	init_IRQ();
@@ -156,21 +284,51 @@ void board_init_f(ulong bootflag)
 	init_baudrate();	/* initialze baudrate settings */
 	serial_init();		/* serial communications setup */
 	console_init_f();
+#ifdef CONFIG_ICACHE_ON
+	icache_enable();
+#endif
+#ifdef CONFIG_DCACHE_ON
+	dcache_enable();
+#endif
 	display_banner();	/* say that we are here */
+
+	for (i = 0; i < page_descriptor_table_size; i++) {
+		pr_debug
+		    ("data (%02i)= 0x%08x : 0x%08x    intr = 0x%08x : 0x%08x\n",
+		     i, dcplb_table[i][0], dcplb_table[i][1], icplb_table[i][0],
+		     icplb_table[i][1]);
+	}
+
 	checkboard();
 #if defined(CONFIG_RTC_BF533) && (CONFIG_COMMANDS & CFG_CMD_DATE)
 	rtc_init();
 #endif
 	timer_init();
-	printf("Clock: VCO: %lu MHz, Core: %lu MHz, System: %lu MHz\n", \
-	CONFIG_VCO_HZ/1000000, CONFIG_CCLK_HZ/1000000, CONFIG_SCLK_HZ/1000000);
+	printf("Clock: VCO: %lu MHz, Core: %lu MHz, System: %lu MHz\n",
+	       get_vco() / 1000000, get_cclk() / 1000000, get_sclk() / 1000000);
 	printf("SDRAM: ");
 	print_size(initdram(0), "\n");
+#if defined(CONFIG_BF537)&&defined(CONFIG_POST)
+	post_init_f();
+	post_bootmode_init();
+	post_run(NULL, POST_ROM | post_bootmode_get(0));
+#endif
 	board_init_r((gd_t *) gd, 0x20000010);
 }
 
+#if defined(CONFIG_SOFT_I2C) || defined(CONFIG_HARD_I2C)
+static int init_func_i2c(void)
+{
+	puts("I2C:   ");
+	i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
+	puts("ready\n");
+	return (0);
+}
+#endif
+
 void board_init_r(gd_t * id, ulong dest_addr)
 {
+	DECLARE_GLOBAL_DATA_PTR;
 	ulong size;
 	extern void malloc_bin_reloc(void);
 	char *s, *e;
@@ -180,12 +338,18 @@ void board_init_r(gd_t * id, ulong dest_addr)
 	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */
 	bd = gd->bd;
 
-#if	CONFIG_STAMP
+#if    defined(CONFIG_BF537) && defined(CONFIG_POST)
+	post_output_backlog();
+	post_reloc();
+#endif
+
+#if	(CONFIG_STAMP || CONFIG_BF537 || CONFIG_EZKIT561) && !defined(CFG_NO_FLASH)
 	/* There are some other pointer constants we must deal with */
 	/* configure available FLASH banks */
 	size = flash_init();
 	display_flash_config(size);
-	flash_protect(FLAG_PROTECT_SET, CFG_FLASH_BASE, CFG_FLASH_BASE + 0x1ffff, &flash_info[0]);
+	flash_protect(FLAG_PROTECT_SET, CFG_FLASH_BASE,
+		      CFG_FLASH_BASE + 0x1ffff, &flash_info[0]);
 	bd->bi_flashstart = CFG_FLASH_BASE;
 	bd->bi_flashsize = size;
 	bd->bi_flashoffset = 0;
@@ -198,6 +362,13 @@ void board_init_r(gd_t * id, ulong dest_addr)
 	mem_malloc_init();
 	malloc_bin_reloc();
 
+#ifdef CONFIG_SPI
+# if ! defined(CFG_ENV_IS_IN_EEPROM)
+	spi_init_f();
+# endif
+	spi_init_r();
+#endif
+
 	/* relocate environment function pointers etc. */
 	env_relocate();
 
@@ -228,18 +399,30 @@ void board_init_r(gd_t * id, ulong dest_addr)
 		copy_filename(BootFile, s, sizeof(BootFile));
 	}
 #endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+	puts("NAND:  ");
+	nand_init();		/* go init the NAND */
+#endif
+
 #if defined(CONFIG_MISC_INIT_R)
 	/* miscellaneous platform dependent initialisations */
 	misc_init_r();
 #endif
 
+#if ((BFIN_CPU == ADSP_BF537) || (BFIN_CPU == ADSP_BF536))
+	printf("Net:    ");
+	eth_initialize(bd);
+#endif
+
 #ifdef CONFIG_DRIVER_SMC91111
 #ifdef SHARED_RESOURCES
 	/* Switch to Ethernet */
 	swap_to(ETHERNET);
 #endif
-	if  ( (SMC_inw(BANK_SELECT) & UPPER_BYTE_MASK) != SMC_IDENT ) {
-		printf("ERROR: Can't find SMC91111 at address %x\n", SMC_BASE_ADDRESS);
+	if ((SMC_inw(BANK_SELECT) & UPPER_BYTE_MASK) != SMC_IDENT) {
+		printf("ERROR: Can't find SMC91111 at address %x\n",
+		       SMC_BASE_ADDRESS);
 	} else {
 		printf("Net:   SMC91111 at 0x%08X\n", SMC_BASE_ADDRESS);
 	}
@@ -248,12 +431,17 @@ void board_init_r(gd_t * id, ulong dest_addr)
 	swap_to(FLASH);
 #endif
 #endif
-#ifdef CONFIG_SOFT_I2C
+#if defined(CONFIG_SOFT_I2C) || defined(CONFIG_HARD_I2C)
 	init_func_i2c();
 #endif
 
 #ifdef DEBUG
-	display_global_data(void);
+	display_global_data();
+#endif
+
+#if defined(CONFIG_BF537) && defined(CONFIG_POST)
+	if (post_flag)
+		post_run(NULL, POST_RAM | post_bootmode_get(0));
 #endif
 
 	/* main_loop() can return to retry autoboot, if so just run it again. */
@@ -262,18 +450,8 @@ void board_init_r(gd_t * id, ulong dest_addr)
 	}
 }
 
-#ifdef CONFIG_SOFT_I2C
-static int init_func_i2c (void)
-{
-	puts ("I2C:   ");
-	i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
-	puts ("ready\n");
-	return (0);
-}
-#endif
-
 void hang(void)
 {
 	puts("### ERROR ### Please RESET the board ###\n");
-	for (;;);
+	for (;;) ;
 }