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openwrt/package/uboot-xburst/patches/001-xburst.patch
Lars-Peter Clausen 393541dce8 Add uboot for xburst package 
SVN-Revision: 20832
2010-04-12 18:17:26 +00:00

1670 lines
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this patch include the u-boot2009.11 change files
From: Xiangfu Liu <xiangfu@sharism.cc>
---
Makefile | 10 +
common/env_common.c | 2
common/lcd.c | 45 ++++
common/main.c | 4
cpu/mips/Makefile | 4
cpu/mips/cache.S | 280 ++++++++++----------------
cpu/mips/config.mk | 6 -
cpu/mips/cpu.c | 75 +++++++
cpu/mips/start.S | 432 ++++++++++++++++++++++++++++++++--------
drivers/mtd/nand/nand_base.c | 88 ++++++++
examples/standalone/mips.lds | 2
include/asm-mips/addrspace.h | 2
include/asm-mips/global_data.h | 11 +
include/lcd.h | 56 +++++
lib_mips/board.c | 18 +-
lib_mips/bootm.c | 7 +
lib_mips/time.c | 4
20 files changed, 800 insertions(+), 333 deletions(-)
diff --git a/Makefile b/Makefile
index f06a97c..a318eb4 100644
--- a/Makefile
+++ b/Makefile
@@ -3439,6 +3439,22 @@ qemu_mips_config : unconfig
@$(MKCONFIG) -a qemu-mips mips mips qemu-mips
#########################################################################
+## MIPS32 Jz47XX
+#########################################################################
+qi_lb60_config : unconfig
+ @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
+ @echo "Compile NAND boot image for QI LB60"
+ @$(MKCONFIG) -a qi_lb60 mips mips nanonote
+ @echo "TEXT_BASE = 0x80100000" > $(obj)board/nanonote/config.tmp
+ @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
+
+avt2_config : unconfig
+ @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
+ @echo "Compile NAND boot image for AVT2"
+ @$(MKCONFIG) -a avt2 mips mips nanonote
+ @echo "TEXT_BASE = 0x80100000" > $(obj)board/nanonote/config.tmp
+ @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
+#########################################################################
## MIPS64 5Kc
#########################################################################
diff --git a/common/env_common.c b/common/env_common.c
index 439a4a9..6cfe30b 100644
--- a/common/env_common.c
+++ b/common/env_common.c
@@ -134,7 +134,10 @@ uchar default_environment[] = {
"pcidelay=" MK_STR(CONFIG_PCI_BOOTDELAY) "\0"
#endif
-#ifdef CONFIG_EXTRA_ENV_SETTINGS
- CONFIG_EXTRA_ENV_SETTINGS
+#ifdef CONFIG_BOOTARGSFROMSD
+ "bootargsfromsd=" CONFIG_BOOTARGSFROMSD "\0"
+#endif
+#ifdef CONFIG_BOOTCOMMANDFROMSD
+ "bootcmdfromsd=" CONFIG_BOOTCOMMANDFROMSD "\0"
#endif
"\0"
};
diff --git a/common/lcd.c b/common/lcd.c
index 4e31618..ddd5aa8 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -64,7 +64,9 @@
#ifdef CONFIG_LCD_LOGO
# include <bmp_logo.h> /* Get logo data, width and height */
# if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
-# error Default Color Map overlaps with Logo Color Map
+# ifndef CONFIG_JzRISC /* JzRISC core */
+# error Default Color Map overlaps with Logo Color Map
+# endif
# endif
#endif
@@ -249,6 +251,14 @@ static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
lcd_color_fg : lcd_color_bg;
bits <<= 1;
}
+#elif LCD_BPP == LCD_COLOR32
+ uint *m = (uint *)d;
+ for (c=0; c<32; ++c) {
+ *m++ = (bits & 0x80) ?
+ lcd_color_fg : lcd_color_bg;
+ //d+=4;
+ bits <<= 1;
+ }
#endif
}
#if LCD_BPP == LCD_MONOCHROME
@@ -315,6 +325,9 @@ static void test_pattern (void)
}
#endif /* LCD_TEST_PATTERN */
+#ifdef CONFIG_JzRISC /* JzRISC core */
+extern int flush_cache_all(void);
+#endif
/************************************************************************/
/* ** GENERIC Initialization Routines */
@@ -381,6 +394,7 @@ static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
COLOR_MASK(lcd_getbgcolor()),
lcd_line_length*panel_info.vl_row);
#endif
+
/* Paint the logo and retrieve LCD base address */
debug ("[LCD] Drawing the logo...\n");
lcd_console_address = lcd_logo ();
@@ -458,6 +472,8 @@ static void lcd_setfgcolor (int color)
{
#ifdef CONFIG_ATMEL_LCD
lcd_color_fg = color;
+#elif LCD_BPP == LCD_COLOR32
+ lcd_color_fg = color & 0xFFFFFFFF;
#else
lcd_color_fg = color & 0x0F;
#endif
@@ -469,6 +485,8 @@ static void lcd_setbgcolor (int color)
{
#ifdef CONFIG_ATMEL_LCD
lcd_color_bg = color;
+#elif LCD_BPP == LCD_COLOR32
+ lcd_color_bg = color & 0xFFFFFFFF;
#else
lcd_color_bg = color & 0x0F;
#endif
@@ -507,6 +525,7 @@ void bitmap_plot (int x, int y)
uchar *bmap;
uchar *fb;
ushort *fb16;
+ uint *fb32;
#if defined(CONFIG_PXA250)
struct pxafb_info *fbi = &panel_info.pxa;
#elif defined(CONFIG_MPC823)
@@ -567,13 +586,25 @@ void bitmap_plot (int x, int y)
}
}
else { /* true color mode */
- fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
- for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
- for (j=0; j<BMP_LOGO_WIDTH; j++) {
- fb16[j] = bmp_logo_palette[(bmap[j])];
+ if(NBITS(panel_info.vl_bpix) == 16){
+ fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
+ for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
+ for (j=0; j<BMP_LOGO_WIDTH; j++) {
+ fb16[j] = bmp_logo_palette[(bmap[j])];
}
- bmap += BMP_LOGO_WIDTH;
- fb16 += panel_info.vl_col;
+ bmap += BMP_LOGO_WIDTH;
+ fb16 += panel_info.vl_col;
+ }
+ }
+ else{
+ fb32 = (uint *)(lcd_base + y * lcd_line_length + x);
+ for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
+ for (j=0; j<BMP_LOGO_WIDTH; j++) {
+ fb32[j] = bmp_logo_palette[(bmap[j])];
+ }
+ bmap += BMP_LOGO_WIDTH;
+ fb32 += panel_info.vl_col;
+ }
}
}
diff --git a/common/main.c b/common/main.c
index 10d8904..ff11ad7 100644
--- a/common/main.c
+++ b/common/main.c
@@ -372,7 +372,9 @@ void main_loop (void)
#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
s = getenv ("bootdelay");
bootdelay = s ? (int)simple_strtol(s, NULL, 10) : CONFIG_BOOTDELAY;
-
+ DECLARE_GLOBAL_DATA_PTR;
+ if (gd->boot_option == 5)
+ bootdelay = gd->boot_option;
debug ("### main_loop entered: bootdelay=%d\n\n", bootdelay);
# ifdef CONFIG_BOOT_RETRY_TIME
@@ -393,7 +395,9 @@ void main_loop (void)
}
else
#endif /* CONFIG_BOOTCOUNT_LIMIT */
- s = getenv ("bootcmd");
+ s = gd->boot_option == 1 ?
+ getenv ("bootcmdfromsd"):
+ getenv ("bootcmd") ;
debug ("### main_loop: bootcmd=\"%s\"\n", s ? s : "<UNDEFINED>");
diff --git a/cpu/mips/Makefile b/cpu/mips/Makefile
index 28a1cbb..5207bc5 100644
--- a/cpu/mips/Makefile
+++ b/cpu/mips/Makefile
@@ -33,6 +33,9 @@ SOBJS-$(CONFIG_INCA_IP) += incaip_wdt.o
COBJS-$(CONFIG_INCA_IP) += asc_serial.o incaip_clock.o
COBJS-$(CONFIG_PURPLE) += asc_serial.o
COBJS-$(CONFIG_SOC_AU1X00) += au1x00_eth.o au1x00_serial.o au1x00_usb_ohci.o
+COBJS-$(CONFIG_JZSOC) += jz4740.o jz_serial.o jz_mmc.o jz4740_nand.o
+COBJS-$(CONFIG_NANONOTE) += nanonote_gpm940b0.o
+
SRCS := $(START:.o=.S) $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
diff --git a/cpu/mips/cache.S b/cpu/mips/cache.S
index ff4f11c..cb3baff 100644
--- a/cpu/mips/cache.S
+++ b/cpu/mips/cache.S
@@ -23,32 +23,19 @@
*/
#include <config.h>
-#include <asm/asm.h>
+#include <version.h>
#include <asm/regdef.h>
#include <asm/mipsregs.h>
#include <asm/addrspace.h>
#include <asm/cacheops.h>
-#define RA t8
+#ifndef CONFIG_JzRISC
-/*
- * 16kB is the maximum size of instruction and data caches on MIPS 4K,
- * 64kB is on 4KE, 24K, 5K, etc. Set bigger size for convenience.
- *
- * Note that the above size is the maximum size of primary cache. U-Boot
- * doesn't have L2 cache support for now.
- */
-#define MIPS_MAX_CACHE_SIZE 0x10000
-
-#define INDEX_BASE CKSEG0
+ /* 16KB is the maximum size of instruction and data caches on
+ * MIPS 4K.
+ */
+#define MIPS_MAX_CACHE_SIZE 0x4000
- .macro cache_op op addr
- .set push
- .set noreorder
- .set mips3
- cache \op, 0(\addr)
- .set pop
- .endm
/*
* cacheop macro to automate cache operations
@@ -119,79 +106,7 @@
#define icacheop(kva, n, cacheSize, cacheLineSize, op) \
icacheopn(kva, n, cacheSize, cacheLineSize, 1, (op))
- .macro f_fill64 dst, offset, val
- LONG_S \val, (\offset + 0 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 1 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 2 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 3 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 4 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 5 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 6 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 7 * LONGSIZE)(\dst)
-#if LONGSIZE == 4
- LONG_S \val, (\offset + 8 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 9 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 10 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 11 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 12 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 13 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 14 * LONGSIZE)(\dst)
- LONG_S \val, (\offset + 15 * LONGSIZE)(\dst)
-#endif
- .endm
-
-/*
- * mips_init_icache(uint PRId, ulong icache_size, unchar icache_linesz)
- */
-LEAF(mips_init_icache)
- blez a1, 9f
- mtc0 zero, CP0_TAGLO
- /* clear tag to invalidate */
- PTR_LI t0, INDEX_BASE
- PTR_ADDU t1, t0, a1
-1: cache_op Index_Store_Tag_I t0
- PTR_ADDU t0, a2
- bne t0, t1, 1b
- /* fill once, so data field parity is correct */
- PTR_LI t0, INDEX_BASE
-2: cache_op Fill t0
- PTR_ADDU t0, a2
- bne t0, t1, 2b
- /* invalidate again - prudent but not strictly neccessary */
- PTR_LI t0, INDEX_BASE
-1: cache_op Index_Store_Tag_I t0
- PTR_ADDU t0, a2
- bne t0, t1, 1b
-9: jr ra
- END(mips_init_icache)
-
/*
- * mips_init_dcache(uint PRId, ulong dcache_size, unchar dcache_linesz)
- */
-LEAF(mips_init_dcache)
- blez a1, 9f
- mtc0 zero, CP0_TAGLO
- /* clear all tags */
- PTR_LI t0, INDEX_BASE
- PTR_ADDU t1, t0, a1
-1: cache_op Index_Store_Tag_D t0
- PTR_ADDU t0, a2
- bne t0, t1, 1b
- /* load from each line (in cached space) */
- PTR_LI t0, INDEX_BASE
-2: LONG_L zero, 0(t0)
- PTR_ADDU t0, a2
- bne t0, t1, 2b
- /* clear all tags */
- PTR_LI t0, INDEX_BASE
-1: cache_op Index_Store_Tag_D t0
- PTR_ADDU t0, a2
- bne t0, t1, 1b
-9: jr ra
- END(mips_init_dcache)
-
-/*******************************************************************************
-*
* mips_cache_reset - low level initialisation of the primary caches
*
* This routine initialises the primary caches to ensure that they
@@ -204,112 +119,129 @@ LEAF(mips_init_dcache)
* a source of parity.
*
* RETURNS: N/A
-*
*/
-NESTED(mips_cache_reset, 0, ra)
- move RA, ra
+ .globl mips_cache_reset
+ .ent mips_cache_reset
+mips_cache_reset:
+
li t2, CONFIG_SYS_ICACHE_SIZE
li t3, CONFIG_SYS_DCACHE_SIZE
li t4, CONFIG_SYS_CACHELINE_SIZE
move t5, t4
+
li v0, MIPS_MAX_CACHE_SIZE
- /*
- * Now clear that much memory starting from zero.
+ /* Now clear that much memory starting from zero.
*/
- PTR_LI a0, CKSEG1
- PTR_ADDU a1, a0, v0
-2: PTR_ADDIU a0, 64
- f_fill64 a0, -64, zero
- bne a0, a1, 2b
-
- /*
- * The caches are probably in an indeterminate state,
- * so we force good parity into them by doing an
- * invalidate, load/fill, invalidate for each line.
+
+ li a0, KSEG1
+ addu a1, a0, v0
+
+2: sw zero, 0(a0)
+ sw zero, 4(a0)
+ sw zero, 8(a0)
+ sw zero, 12(a0)
+ sw zero, 16(a0)
+ sw zero, 20(a0)
+ sw zero, 24(a0)
+ sw zero, 28(a0)
+ addu a0, 32
+ bltu a0, a1, 2b
+
+ /* Set invalid tag.
*/
- /*
- * Assume bottom of RAM will generate good parity for the cache.
+ mtc0 zero, CP0_TAGLO
+
+ /*
+ * The caches are probably in an indeterminate state,
+ * so we force good parity into them by doing an
+ * invalidate, load/fill, invalidate for each line.
+ */
+
+ /* Assume bottom of RAM will generate good parity for the cache.
*/
- /*
- * Initialize the I-cache first,
+ li a0, K0BASE
+ move a2, t2 # icacheSize
+ move a3, t4 # icacheLineSize
+ move a1, a2
+ icacheopn(a0,a1,a2,a3,121,(Index_Store_Tag_I,Fill))
+
+ /* To support Orion/R4600, we initialise the data cache in 3 passes.
*/
- move a1, t2
- move a2, t4
- PTR_LA t7, mips_init_icache
- jalr t7
- /*
- * then initialize D-cache.
+ /* 1: initialise dcache tags.
*/
- move a1, t3
- move a2, t5
- PTR_LA t7, mips_init_dcache
- jalr t7
- jr RA
- END(mips_cache_reset)
+ li a0, K0BASE
+ move a2, t3 # dcacheSize
+ move a3, t5 # dcacheLineSize
+ move a1, a2
+ icacheop(a0,a1,a2,a3,Index_Store_Tag_D)
-/*******************************************************************************
-*
-* dcache_status - get cache status
-*
-* RETURNS: 0 - cache disabled; 1 - cache enabled
-*
-*/
-LEAF(dcache_status)
- mfc0 t0, CP0_CONFIG
- li t1, CONF_CM_UNCACHED
- andi t0, t0, CONF_CM_CMASK
- move v0, zero
- beq t0, t1, 2f
- li v0, 1
-2: jr ra
- END(dcache_status)
-
-/*******************************************************************************
-*
+ /* 2: fill dcache.
+ */
+
+ li a0, K0BASE
+ move a2, t3 # dcacheSize
+ move a3, t5 # dcacheLineSize
+ move a1, a2
+ icacheopn(a0,a1,a2,a3,1lw,(dummy))
+
+ /* 3: clear dcache tags.
+ */
+
+ li a0, K0BASE
+ move a2, t3 # dcacheSize
+ move a3, t5 # dcacheLineSize
+ move a1, a2
+ icacheop(a0,a1,a2,a3,Index_Store_Tag_D)
+
+ j ra
+ .end mips_cache_reset
+
+
+/*
+ * dcache_status - get cache status
+ *
+ * RETURNS: 0 - cache disabled; 1 - cache enabled
+ */
+ .globl dcache_status
+ .ent dcache_status
+dcache_status:
+
+ mfc0 v0, CP0_CONFIG
+ andi v0, v0, 1
+ j ra
+
+ .end dcache_status
+
+/*
* dcache_disable - disable cache
*
* RETURNS: N/A
-*
*/
-LEAF(dcache_disable)
+ .globl dcache_disable
+ .ent dcache_disable
+dcache_disable:
+
mfc0 t0, CP0_CONFIG
li t1, -8
and t0, t0, t1
ori t0, t0, CONF_CM_UNCACHED
- mtc0 t0, CP0_CONFIG
- jr ra
- END(dcache_disable)
+ mtc0 t0, CP0_CONFIG
+ j ra
-/*******************************************************************************
-*
-* dcache_enable - enable cache
-*
-* RETURNS: N/A
-*
-*/
-LEAF(dcache_enable)
- mfc0 t0, CP0_CONFIG
- ori t0, CONF_CM_CMASK
- xori t0, CONF_CM_CMASK
- ori t0, CONF_CM_CACHABLE_NONCOHERENT
- mtc0 t0, CP0_CONFIG
- jr ra
- END(dcache_enable)
-
-#ifdef CONFIG_SYS_INIT_RAM_LOCK_MIPS
-/*******************************************************************************
-*
-* mips_cache_lock - lock RAM area pointed to by a0 in cache.
-*
-* RETURNS: N/A
-*
-*/
+ .end dcache_disable
+
+
+/*
+ * mips_cache_lock - lock RAM area pointed to by a0 in cache.
+ *
+ * RETURNS: N/A
+ */
#if defined(CONFIG_PURPLE)
# define CACHE_LOCK_SIZE (CONFIG_SYS_DCACHE_SIZE/2)
#else
@@ -318,14 +250,14 @@ LEAF(dcache_enable)
.globl mips_cache_lock
.ent mips_cache_lock
mips_cache_lock:
- li a1, CKSEG0 - CACHE_LOCK_SIZE
+ li a1, K0BASE - CACHE_LOCK_SIZE
addu a0, a1
li a2, CACHE_LOCK_SIZE
li a3, CONFIG_SYS_CACHELINE_SIZE
move a1, a2
icacheop(a0,a1,a2,a3,0x1d)
- jr ra
-
+ j ra
.end mips_cache_lock
-#endif /* CONFIG_SYS_INIT_RAM_LOCK_MIPS */
+
+#endif /* CONFIG_JzRISC */
diff --git a/cpu/mips/config.mk b/cpu/mips/config.mk
index a173c54..8d27e52 100644
--- a/cpu/mips/config.mk
+++ b/cpu/mips/config.mk
@@ -25,15 +25,15 @@ MIPSFLAGS:=$(shell \
if [ "$v" -lt "14" ]; then \
echo "-mcpu=4kc"; \
else \
- echo "-march=4kc -mtune=4kc"; \
+ echo "-march=4kc -mtune=r4600"; \
fi)
ifneq (,$(findstring 4KCle,$(CROSS_COMPILE)))
ENDIANNESS = -EL
else
-ENDIANNESS = -EB
+#ENDIANNESS = -EB
endif
-MIPSFLAGS += $(ENDIANNESS)
+MIPSFLAGS += $(ENDIANNESS) -mabicalls -mips32 -O2
PLATFORM_CPPFLAGS += $(MIPSFLAGS)
diff --git a/cpu/mips/cpu.c b/cpu/mips/cpu.c
index d5a1604..48e1cea 100644
--- a/cpu/mips/cpu.c
+++ b/cpu/mips/cpu.c
@@ -28,6 +28,12 @@
#include <asm/cacheops.h>
#include <asm/reboot.h>
+#ifdef CONFIG_JZ4740
+#include <asm/jz4740.h>
+#endif
+
+#if !defined (CONFIG_NAND_SPL) && !defined (CONFIG_MSC_SPL)
+
#define cache_op(op,addr) \
__asm__ __volatile__( \
" .set push \n" \
@@ -40,6 +46,19 @@
void __attribute__((weak)) _machine_restart(void)
{
+#ifdef CONFIG_JZ4740
+ __wdt_select_extalclk();
+ __wdt_select_clk_div64();
+ __wdt_set_data(100);
+ __wdt_set_count(0);
+ __tcu_start_wdt_clock();
+ __wdt_start();
+ while(1);
+#endif
+#if defined(CONFIG_JzRISC)
+ void (*f)(void) = (void *) 0xbfc00000;
+ f();
+#endif
}
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
@@ -110,3 +129,59 @@ int cpu_eth_init(bd_t *bis)
#endif
return 0;
}
+
+#endif /* !CONFIG_NAND_SPL !CONFIG_MSC_SPL */
+
+#ifdef CONFIG_JzRISC
+void flush_icache_all(void)
+{
+ u32 addr, t = 0;
+
+ asm volatile ("mtc0 $0, $28"); /* Clear Taglo */
+ asm volatile ("mtc0 $0, $29"); /* Clear TagHi */
+
+ for (addr = KSEG0; addr < KSEG0 + CONFIG_SYS_ICACHE_SIZE;
+ addr += CONFIG_SYS_CACHELINE_SIZE) {
+ asm volatile (
+ ".set mips3\n\t"
+ " cache %0, 0(%1)\n\t"
+ ".set mips2\n\t"
+ :
+ : "I" (Index_Store_Tag_I), "r"(addr));
+ }
+
+ /* invalicate btb */
+ asm volatile (
+ ".set mips32\n\t"
+ "mfc0 %0, $16, 7\n\t"
+ "nop\n\t"
+ "ori %0,2\n\t"
+ "mtc0 %0, $16, 7\n\t"
+ ".set mips2\n\t"
+ :
+ : "r" (t));
+}
+
+void flush_dcache_all(void)
+{
+ u32 addr;
+
+ for (addr = KSEG0; addr < KSEG0 + CONFIG_SYS_DCACHE_SIZE;
+ addr += CONFIG_SYS_CACHELINE_SIZE) {
+ asm volatile (
+ ".set mips3\n\t"
+ " cache %0, 0(%1)\n\t"
+ ".set mips2\n\t"
+ :
+ : "I" (Index_Writeback_Inv_D), "r"(addr));
+ }
+
+ asm volatile ("sync");
+}
+
+void flush_cache_all(void)
+{
+ flush_dcache_all();
+ flush_icache_all();
+}
+#endif /* CONFIG_JzRISC */
diff --git a/cpu/mips/start.S b/cpu/mips/start.S
index 57db589..fa6e352 100644
--- a/cpu/mips/start.S
+++ b/cpu/mips/start.S
@@ -23,32 +23,33 @@
*/
#include <config.h>
+#include <version.h>
#include <asm/regdef.h>
#include <asm/mipsregs.h>
+#include <asm/addrspace.h>
+#include <asm/cacheops.h>
- /*
- * For the moment disable interrupts, mark the kernel mode and
- * set ST0_KX so that the CPU does not spit fire when using
- * 64-bit addresses.
- */
- .macro setup_c0_status set clr
- .set push
- mfc0 t0, CP0_STATUS
- or t0, ST0_CU0 | \set | 0x1f | \clr
- xor t0, 0x1f | \clr
- mtc0 t0, CP0_STATUS
- .set noreorder
- sll zero, 3 # ehb
- .set pop
- .endm
-
- .macro setup_c0_status_reset
-#ifdef CONFIG_64BIT
- setup_c0_status ST0_KX 0
-#else
- setup_c0_status 0 0
+#ifdef CONFIG_JZ4730
+#include <asm/jz4730.h>
+#endif
+
+#ifdef CONFIG_JZ4740
+#include <asm/jz4740.h>
+#endif
+
+#ifdef CONFIG_JZ4750
+#include <asm/jz4750.h>
+#endif
+
+#ifdef CONFIG_JZ4750D
+#include <asm/jz4750d.h>
+#endif
+
+#if defined(CONFIG_JZ4750) || defined(CONFIG_JZ4750D)
+#define JZ4750_NANDBOOT_CFG0 (0x55555500 | (CFG_NAND_BW8*0xff))
+#define JZ4750_NANDBOOT_CFG1 0x55555555
+#define JZ4750_NANDBOOT_CFG2 ((CFG_NAND_PAGE_SIZE==2048)&0xff0000) | ((CFG_NAND_PAGE_SIZE!=512)&0xff00) | ((CFG_NAND_ROW_CYCLE==3)&0xff)
#endif
- .endm
#define RVECENT(f,n) \
b f; nop
@@ -61,6 +62,28 @@
.globl _start
.text
_start:
+#if defined(CONFIG_JZ4740)
+#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_NAND_U_BOOT)
+ .word JZ4740_NORBOOT_CFG /* fetched during NOR Boot */
+#else
+#if defined(CONFIG_NAND_SPL)
+ .word JZ4740_NANDBOOT_CFG /* fetched during NAND Boot */
+#endif
+#endif
+#endif /* CONFIG_JZ4740 */
+#if defined(CONFIG_JZ4750) || defined(CONFIG_JZ4750D)
+#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_NAND_U_BOOT)
+ .word JZ4750_NORBOOT_CFG /* fetched during NOR Boot */
+#else
+#if defined(CONFIG_NAND_SPL) && !defined(CONFIG_MSC_SPL)
+ /* First three words fetched by CPU during NAND Boot */
+ .word JZ4750_NANDBOOT_CFG0
+ .word JZ4750_NANDBOOT_CFG1
+ .word JZ4750_NANDBOOT_CFG2
+#endif
+#endif
+#endif /* CONFIG_JZ4750 || CONFIG_JZ4750D */
+#if !defined(CONFIG_JzRISC)
RVECENT(reset,0) /* U-boot entry point */
RVECENT(reset,1) /* software reboot */
#if defined(CONFIG_INCA_IP)
@@ -213,7 +236,7 @@ _start:
.word 0x00000000
.word 0x03e00008
.word 0x00000000
- .word 0x00000000
+ .word 0x00000000
/* 0xbfc00428 */
.word 0xdc870000
.word 0xfca70000
@@ -224,74 +247,192 @@ _start:
.word 0x00000000
.word 0x03e00008
.word 0x00000000
- .word 0x00000000
+ .word 0x00000000
#endif /* CONFIG_PURPLE */
.align 4
+#endif /* CONFIG_JzRISC */
+
reset:
+#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+
+#ifdef CONFIG_JZ4730
+
+ /* Disable interrupts */
+ la t0, INTC_IMR
+ li t1, 0xffffffff
+ sw t1, 0(t0)
+
+ /*
+ * Clear SCR.HGP
+ */
+ la t0, CPM_SCR
+ lw t1, 0(t0)
+ ori t1, 0x8
+ xori t1, 0x8
+ sw t1, 0(t0)
+
+ /*
+ * Set usb port0 as host
+ */
+ la t0, HARB_HAPOR
+ lw t1, 0(t0)
+ ori t1, HARB_HAPOR_UCHSEL
+ sw t1, 0(t0)
+
+ /*
+ * Check reset status
+ */
+ la t0, CPM_RSTR
+ lw t1, 0(t0)
+ andi t1, 0x4
+ bnez t1, resume_from_hibernate
+ nop
+#endif /* CONFIG_JZ4730 */
+
+#ifndef CONFIG_NAND_SPL
/* Clear watch registers.
*/
mtc0 zero, CP0_WATCHLO
mtc0 zero, CP0_WATCHHI
+#endif
- /* WP(Watch Pending), SW0/1 should be cleared. */
- mtc0 zero, CP0_CAUSE
+ /* STATUS register */
+#ifdef CONFIG_JzRISC
+ /*
+ * CU0=UM=EXL=IE=0, BEV=ERL=1, IP2~7=1
+ */
+ li t0, 0x0040FC04
+ mtc0 t0, CP0_STATUS
+#else
+#ifdef CONFIG_TB0229
+ li k0, ST0_CU0
+#else
+ mfc0 k0, CP0_STATUS
+#endif
+ li k1, ~ST0_IE
+ and k0, k1
+ mtc0 k0, CP0_STATUS
+#endif
- setup_c0_status_reset
+ /* CAUSE register */
+#ifdef CONFIG_JzRISC
+ /* IV=1, use the specical interrupt vector (0x200) */
+ li t1, 0x00800000
+ mtc0 t1, CP0_CAUSE
+#else
+ mtc0 zero, CP0_CAUSE
+#endif
+#ifndef CONFIG_JzRISC
/* Init Timer */
mtc0 zero, CP0_COUNT
mtc0 zero, CP0_COMPARE
+#endif
-#if !defined(CONFIG_SKIP_LOWLEVEL_INIT)
+#endif /* !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) */
+
+#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_NAND_U_BOOT)
/* CONFIG0 register */
li t0, CONF_CM_UNCACHED
mtc0 t0, CP0_CONFIG
-#endif /* !CONFIG_SKIP_LOWLEVEL_INIT */
+#endif
- /* Initialize $gp.
+ /* Initialize GOT pointer.
+ */
+ bal 1f
+ nop
+ .word _GLOBAL_OFFSET_TABLE_
+ 1:
+ move gp, ra
+ lw t1, 0(ra)
+ move gp, t1
+
+#ifdef CONFIG_INCA_IP
+ /* Disable INCA-IP Watchdog.
*/
- bal 1f
+ la t9, disable_incaip_wdt
+ jalr t9
nop
- .word _gp
-1:
- lw gp, 0(ra)
+#endif
-#if !defined(CONFIG_SKIP_LOWLEVEL_INIT)
+/* JzRISC will init external memory in board_init_f,
+ which uses cache as stack and calls into C code. */
+#ifndef CONFIG_JzRISC
/* Initialize any external memory.
*/
- la t9, lowlevel_init
- jalr t9
+ la t9, lowlevel_init
+ jalr t9
nop
+#endif
+#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_NAND_U_BOOT)
/* Initialize caches...
*/
- la t9, mips_cache_reset
- jalr t9
+#ifdef CONFIG_JzRISC
+ .set mips32
+ mtc0 zero, CP0_TAGLO
+ mtc0 zero, CP0_TAGHI
+
+ li t0, K0BASE
+ ori t1, t0, CONFIG_SYS_DCACHE_SIZE
+1:
+ cache Index_Store_Tag_D, 0(t0)
+ bne t0, t1, 1b
+ addiu t0, t0, CONFIG_SYS_CACHELINE_SIZE
+
+ li t0, K0BASE
+ ori t1, t0, CONFIG_SYS_ICACHE_SIZE
+2:
+ cache Index_Store_Tag_I, 0(t0)
+ bne t0, t1, 2b
+ addiu t0, t0, CONFIG_SYS_CACHELINE_SIZE
+
+ /* Invalidate BTB */
+ mfc0 t0, CP0_CONFIG, 7
+ nop
+ ori t0, 2
+ mtc0 t0, CP0_CONFIG, 7
nop
+ .set mips2
+#else
+ la t9, mips_cache_reset
+ jalr t9
+ nop
+#endif
+
/* ... and enable them.
*/
li t0, CONF_CM_CACHABLE_NONCOHERENT
mtc0 t0, CP0_CONFIG
-#endif /* !CONFIG_SKIP_LOWLEVEL_INIT */
+ nop
+
+#endif /* !defined(CONFIG_NAND_SPL) && !defined(CONFIG_NAND_U_BOOT) */
/* Set up temporary stack.
*/
-#ifdef CONFIG_SYS_INIT_RAM_LOCK_MIPS
+#ifndef CONFIG_JzRISC
li a0, CONFIG_SYS_INIT_SP_OFFSET
- la t9, mips_cache_lock
- jalr t9
+ la t9, mips_cache_lock
+ jalr t9
nop
#endif
+#ifdef CONFIG_NAND_SPL
+ la sp, 0x80004000
+ la t9, nand_boot
+ j t9
+ nop
+#else
li t0, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
la sp, 0(t0)
la t9, board_init_f
- jr t9
+ j t9
nop
+
/*
* void relocate_code (addr_sp, gd, addr_moni)
*
@@ -305,37 +446,28 @@ reset:
.globl relocate_code
.ent relocate_code
relocate_code:
- move sp, a0 /* Set new stack pointer */
+ move sp, a0 /* Set new stack pointer */
- li t0, CONFIG_SYS_MONITOR_BASE
+ li t0, TEXT_BASE
la t3, in_ram
lw t2, -12(t3) /* t2 <-- uboot_end_data */
move t1, a2
- move s2, a2 /* s2 <-- destination address */
/*
- * Fix $gp:
+ * Fix GOT pointer:
*
- * New $gp = (Old $gp - CONFIG_SYS_MONITOR_BASE) + Destination Address
+ * New GOT-PTR = (old GOT-PTR - TEXT_BASE) + Destination Address
*/
move t6, gp
- sub gp, CONFIG_SYS_MONITOR_BASE
- add gp, a2 /* gp now adjusted */
- sub s1, gp, t6 /* s1 <-- relocation offset */
+ sub gp, TEXT_BASE
+ add gp, a2 /* gp now adjusted */
+ sub t6, gp, t6 /* t6 <-- relocation offset */
/*
* t0 = source address
* t1 = target address
* t2 = source end address
*/
-
- /*
- * Save destination address and size for later usage in flush_cache()
- */
- move s0, a1 /* save gd in s0 */
- move a0, t1 /* a0 <-- destination addr */
- sub a1, t2, t0 /* a1 <-- size */
-
/* On the purple board we copy the code earlier in a special way
* in order to solve flash problems
*/
@@ -345,47 +477,61 @@ relocate_code:
sw t3, 0(t1)
addu t0, 4
ble t0, t2, 1b
- addu t1, 4 /* delay slot */
+ addu t1, 4 /* delay slot */
#endif
/* If caches were enabled, we would have to flush them here.
*/
-
- /* a0 & a1 are already set up for flush_cache(start, size) */
- la t9, flush_cache
- jalr t9
+#ifdef CONFIG_JzRISC
+ /* flush d-cache */
+ .set mips32
+ li t0, KSEG0
+ addi t1, t0, CONFIG_SYS_DCACHE_SIZE
+2:
+ cache Index_Writeback_Inv_D, 0(t0)
+ bne t0, t1, 2b
+ addi t0, CONFIG_SYS_CACHELINE_SIZE
+
+ sync
+
+ /* flush i-cache */
+ li t0, KSEG0
+ addi t1, t0, CONFIG_SYS_ICACHE_SIZE
+3:
+ cache Index_Invalidate_I, 0(t0)
+ bne t0, t1, 3b
+ addi t0, CONFIG_SYS_CACHELINE_SIZE
+
+ /* Invalidate BTB */
+ mfc0 t0, CP0_CONFIG, 7
+ nop
+ ori t0, 2
+ mtc0 t0, CP0_CONFIG, 7
nop
+ .set mips0
+#endif
+
/* Jump to where we've relocated ourselves.
*/
- addi t0, s2, in_ram - _start
- jr t0
+ addi t0, a2, in_ram - _start
+ j t0
nop
- .word _gp
- .word _GLOBAL_OFFSET_TABLE_
.word uboot_end_data
.word uboot_end
.word num_got_entries
in_ram:
- /*
- * Now we want to update GOT.
- *
- * GOT[0] is reserved. GOT[1] is also reserved for the dynamic object
- * generated by GNU ld. Skip these reserved entries from relocation.
+ /* Now we want to update GOT.
*/
lw t3, -4(t0) /* t3 <-- num_got_entries */
- lw t4, -16(t0) /* t4 <-- _GLOBAL_OFFSET_TABLE_ */
- lw t5, -20(t0) /* t5 <-- _gp */
- sub t4, t5 /* compute offset*/
- add t4, t4, gp /* t4 now holds relocated _GLOBAL_OFFSET_TABLE_ */
- addi t4, t4, 8 /* Skipping first two entries. */
+ addi t4, gp, 8 /* Skipping first two entries. */
li t2, 2
1:
lw t1, 0(t4)
beqz t1, 2f
- add t1, s1
+ add t1, t6
sw t1, 0(t4)
2:
addi t2, 1
@@ -396,26 +542,134 @@ in_ram:
*/
lw t1, -12(t0) /* t1 <-- uboot_end_data */
lw t2, -8(t0) /* t2 <-- uboot_end */
- add t1, s1 /* adjust pointers */
- add t2, s1
+ add t1, t6 /* adjust pointers */
+ add t2, t6
sub t1, 4
-1:
- addi t1, 4
+1: addi t1, 4
bltl t1, t2, 1b
sw zero, 0(t1) /* delay slot */
- move a0, s0 /* a0 <-- gd */
+ move a0, a1
la t9, board_init_r
- jr t9
- move a1, s2 /* delay slot */
+ j t9
+ move a1, a2 /* delay slot */
.end relocate_code
+#endif /* CONFIG_NAND_SPL */
+
+#if !defined(CONFIG_JzRISC)
/* Exception handlers.
*/
romReserved:
- b romReserved
+ b romReserved
romExcHandle:
- b romExcHandle
+ b romExcHandle
+#endif
+
+#ifdef CONFIG_JZ4730
+
+/* These are the runtime values, modify them according to your platform. */
+#define PLCR1_VAL 0x1b000520
+#define CFCR_VAL 0x0c526220
+
+#define DMCR_VAL0 0x042a3211
+#define DMCR_VAL1 0x05aa3211 /*(DMCR_VAL0|EMC_DMCR_RFSH|EMC_DMCR_MRSET)*/
+
+#define RTCOR_VAL 0x10
+#define RTCSR_VAL 0x83
+
+ /*
+ * cpu was reset from hibernate mode
+ */
+resume_from_hibernate:
+ /*
+ * Init PLL
+ */
+ la t0, 0xB0000000 /* CFCR */
+ li t1, CFCR_VAL
+ sw t1, 0(t0)
+
+ la t0, 0xB0000010 /* PLCR1 */
+ li t1, PLCR1_VAL
+ sw t1, 0(t0)
+ nop;nop;nop;nop
+
+ /* Init caches */
+ .set mips32
+ mtc0 zero, CP0_TAGLO
+ mtc0 zero, CP0_TAGHI
+
+ li t0, K0BASE
+ ori t1, t0, CONFIG_SYS_DCACHE_SIZE
+1:
+ cache Index_Store_Tag_D, 0(t0)
+ cache Index_Store_Tag_I, 0(t0)
+ bne t0, t1, 1b
+ addiu t0, t0, CONFIG_SYS_CACHELINE_SIZE
+
+ /*
+ * Init SDRAM
+ */
+ la t0, 0xB0010070 /* GPALR2 */
+ lw t1, 0(t0)
+ li t2, 0x3FFFFFFF
+ and t1, t2
+ li t2, 0x40000000
+ or t1, t2
+ sw t1, 0(t0)
+
+ la t0, 0xB0010074 /* GPAUR2 */
+ lw t1, 0(t0)
+ li t2, 0xFFFF0000
+ and t1, t2
+ li t2, 0x00005555
+ or t1, t2
+ sw t1, 0(t0)
+
+ la t0, 0xB3010000 /* EMC base address */
+
+ li t1, DMCR_VAL0 /* DMCR */
+ sw t1, 0x80(t0)
+
+ li t1, RTCOR_VAL
+ sh t1, 0x8c(t0) /* RTCOR */
+
+ li t1, RTCSR_VAL
+ sh t1, 0x84(t0) /* RTCSR */
+
+ /* precharge all chip-selects */
+ ori t1, t0, 0xa088
+ sb $0, 0(t1)
+ ori t1, t0, 0xb088
+ sb $0, 0(t1)
+
+ /* delay about 200us */
+ li t1, 0x20000
+1:
+ bnez t1, 1b
+ sub t1, 1
+
+ la t1, DMCR_VAL1 /* DMCR */
+ sw t1, 0x80(t0)
+
+ /* write sdram mode register for each chip-select */
+ ori t1, t0, 0xa088
+ sb $0, 0(t1)
+ ori t1, t0, 0xb088
+ sb $0, 0(t1)
+
+ /*
+ * jump to resume entry point
+ */
+ la t0, CPM_SPR
+ lw t1, 0(t0)
+ li t0, 0x80000000
+ or t0, t1
+
+ j t0
+ nop
+
+#endif /* CONFIG_JZ4730 */
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 426bb95..6e5fbd3 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -109,6 +109,22 @@ static struct nand_ecclayout nand_oob_16 = {
. length = 8}}
};
+#if defined(CONFIG_JZ4740)
+static struct nand_ecclayout nand_oob_64 = {
+ .eccbytes = 36,
+ .eccpos = {
+ 6, 7, 8, 9, 10, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 20, 21,
+ 22, 23, 24, 25, 26, 27, 28, 29,
+ 30, 31, 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41},
+ .oobfree ={
+ {.offset = 2,
+ .length = 4},
+ {.offset = 42,
+ .length = 22}}
+};
+#else
static struct nand_ecclayout nand_oob_64 = {
.eccbytes = 24,
.eccpos = {
@@ -119,6 +135,7 @@ static struct nand_ecclayout nand_oob_64 = {
{.offset = 2,
.length = 38}}
};
+#endif
static struct nand_ecclayout nand_oob_128 = {
.eccbytes = 48,
@@ -1116,6 +1133,60 @@ static int nand_read_page_hwecc_oob_first(struct mtd_info *mtd,
}
/**
+ * nand_read_page_hwecc_rs - [REPLACABLE] hardware rs ecc based page read function
+ * @mtd: mtd info structure
+ * @chip: nand chip info structure
+ * @buf: buffer to store read data
+ *
+ * Not for syndrome calculating ecc controllers which need a special oob layout
+ */
+static int nand_read_page_hwecc_rs(struct mtd_info *mtd, struct nand_chip *chip,
+ uint8_t *buf)
+{
+ int i, eccsize = chip->ecc.size;
+ int eccbytes = chip->ecc.bytes;
+ int eccsteps = chip->ecc.steps;
+ uint8_t *p = buf;
+ uint8_t *ecc_calc = chip->buffers->ecccalc;
+ uint8_t *ecc_code = chip->buffers->ecccode;
+ uint32_t *eccpos = chip->ecc.layout->eccpos;
+ uint32_t page;
+ uint8_t flag = 0;
+
+ page = (buf[3]<<24) + (buf[2]<<16) + (buf[1]<<8) + buf[0];
+
+ chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page);
+ chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
+
+ for (i = 0; i < chip->ecc.total; i++) {
+ ecc_code[i] = chip->oob_poi[CONFIG_SYS_NAND_ECC_POS + i];
+ if (ecc_code[i] != 0xff)
+ flag = 1;
+ }
+
+ eccsteps = chip->ecc.steps;
+ p = buf;
+
+ chip->cmdfunc(mtd, NAND_CMD_RNDOUT, 0x00, -1);
+ for (i = 0 ; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
+ int stat;
+ if (flag) {
+ chip->ecc.hwctl(mtd, NAND_ECC_READ);
+ chip->read_buf(mtd, p, eccsize);
+ stat = chip->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]);
+ if (stat < 0)
+ mtd->ecc_stats.failed++;
+ else
+ mtd->ecc_stats.corrected += stat;
+ }
+ else {
+ chip->ecc.hwctl(mtd, NAND_ECC_READ);
+ chip->read_buf(mtd, p, eccsize);
+ }
+ }
+ return 0;
+}
+/**
* nand_read_page_syndrome - [REPLACABLE] hardware ecc syndrom based page read
* @mtd: mtd info structure
* @chip: nand chip info structure
@@ -1271,9 +1342,17 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
bufpoi, page);
else if (!aligned && NAND_SUBPAGE_READ(chip) && !oob)
ret = chip->ecc.read_subpage(mtd, chip, col, bytes, bufpoi);
- else
+ else {
+#if defined(CONFIG_JZ4740)
+ bufpoi[0] = (uint8_t)page;
+ bufpoi[1] = (uint8_t)(page >> 8);
+ bufpoi[2] = (uint8_t)(page >> 16);
+ bufpoi[3] = (uint8_t)(page >> 24);
+#endif
+
ret = chip->ecc.read_page(mtd, chip, bufpoi,
page);
+ }
if (ret < 0)
break;
@@ -2791,8 +2870,13 @@ int nand_scan_tail(struct mtd_info *mtd)
case NAND_ECC_HW:
/* Use standard hwecc read page function ? */
- if (!chip->ecc.read_page)
+ if (!chip->ecc.read_page) {
+#if defined(CONFIG_JZ4740)
+ chip->ecc.read_page = nand_read_page_hwecc_rs;
+#else
chip->ecc.read_page = nand_read_page_hwecc;
+#endif
+ }
if (!chip->ecc.write_page)
chip->ecc.write_page = nand_write_page_hwecc;
if (!chip->ecc.read_oob)
diff --git a/examples/standalone/mips.lds b/examples/standalone/mips.lds
index 717b201..d4a45f8 100644
--- a/examples/standalone/mips.lds
+++ b/examples/standalone/mips.lds
@@ -23,8 +23,8 @@
/*
OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-bigmips")
-*/
OUTPUT_FORMAT("elf32-tradbigmips", "elf32-tradbigmips", "elf32-tradbigmips")
+*/
OUTPUT_ARCH(mips)
SECTIONS
{
diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h
index 3a1e6d6..2ee6920 100644
--- a/include/asm-mips/addrspace.h
+++ b/include/asm-mips/addrspace.h
@@ -131,7 +131,7 @@
* Returns the uncached address of a sdram address
*/
#ifndef __ASSEMBLY__
-#if defined(CONFIG_SOC_AU1X00) || defined(CONFIG_TB0229)
+#if defined(CONFIG_SOC_AU1X00) || defined(CONFIG_TB0229) || defined(CONFIG_JzRISC)
/* We use a 36 bit physical address map here and
cannot access physical memory directly from core */
#define UNCACHED_SDRAM(a) (((unsigned long)(a)) | 0x20000000)
diff --git a/include/asm-mips/global_data.h b/include/asm-mips/global_data.h
index b2c4891..23f597e 100644
--- a/include/asm-mips/global_data.h
+++ b/include/asm-mips/global_data.h
@@ -39,6 +39,17 @@
typedef struct global_data {
bd_t *bd;
unsigned long flags;
+#if defined(CONFIG_JZSOC)
+ /* There are other clocks in the Jz47xx or Jz5730*/
+ unsigned long cpu_clk; /* CPU core clock */
+ unsigned long sys_clk; /* System bus clock */
+ unsigned long per_clk; /* Peripheral bus clock */
+ unsigned long mem_clk; /* Memory bus clock */
+ unsigned long dev_clk; /* Device clock */
+ unsigned long fb_base; /* base address of framebuffer */
+ unsigned long boot_option; /* 1: boot from sd
+ * 5: boot delay for 5 secs*/
+#endif
unsigned long baudrate;
unsigned long have_console; /* serial_init() was called */
phys_size_t ram_size; /* RAM size */
diff --git a/include/lcd.h b/include/lcd.h
index 1f85daa..997e246 100644
--- a/include/lcd.h
+++ b/include/lcd.h
@@ -181,8 +181,44 @@ typedef struct vidinfo {
u_long mmio; /* Memory mapped registers */
} vidinfo_t;
-#else
+#elif defined(CONFIG_JZSOC)
+/*
+ * LCD controller stucture for JZSOC: JZ4730 JZ4740
+ */
+struct jz_fb_dma_descriptor {
+ u_long fdadr; /* Frame descriptor address register */
+ u_long fsadr; /* Frame source address register */
+ u_long fidr; /* Frame ID register */
+ u_long ldcmd; /* Command register */
+};
+/*
+ * Jz LCD info
+ */
+struct jz_fb_info {
+
+ u_long fdadr0; /* physical address of frame/palette descriptor */
+ u_long fdadr1; /* physical address of frame descriptor */
+
+ /* DMA descriptors */
+ struct jz_fb_dma_descriptor * dmadesc_fblow;
+ struct jz_fb_dma_descriptor * dmadesc_fbhigh;
+ struct jz_fb_dma_descriptor * dmadesc_palette;
+ u_long screen; /* address of frame buffer */
+ u_long palette; /* address of palette memory */
+ u_int palette_size;
+};
+typedef struct vidinfo {
+ ushort vl_col; /* Number of columns (i.e. 640) */
+ ushort vl_row; /* Number of rows (i.e. 480) */
+ u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8 */
+
+ struct jz_fb_info jz_fb;
+} vidinfo_t;
+
+extern vidinfo_t panel_info;
+
+#else
typedef struct vidinfo {
ushort vl_col; /* Number of columns (i.e. 160) */
ushort vl_row; /* Number of rows (i.e. 100) */
@@ -194,7 +230,7 @@ typedef struct vidinfo {
void *priv; /* Pointer to driver-specific data */
} vidinfo_t;
-#endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 or CONFIG_ATMEL_LCD */
+#endif /* CONFIG_MPC823, CONFIG_PXA250, CONFIG_MCC200 or CONFIG_JZ4740 */
extern vidinfo_t panel_info;
@@ -234,6 +270,7 @@ void lcd_show_board_info(void);
#define LCD_COLOR4 2
#define LCD_COLOR8 3
#define LCD_COLOR16 4
+#define LCD_COLOR32 5
/*----------------------------------------------------------------------*/
#if defined(CONFIG_LCD_INFO_BELOW_LOGO)
@@ -285,13 +322,22 @@ void lcd_show_board_info(void);
# define CONSOLE_COLOR_GREY 14
# define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
-#else
+#elif LCD_BPP == LCD_COLOR16
/*
* 16bpp color definitions
*/
# define CONSOLE_COLOR_BLACK 0x0000
-# define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
+# define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
+
+#elif LCD_BPP == LCD_COLOR32
+/*
+ * 18,24,32 bpp color definitions
+ */
+# define CONSOLE_COLOR_BLACK 0x00000000
+# define CONSOLE_COLOR_WHITE 0xffffffff /* Must remain last / highest */
+
+#else
#endif /* color definitions */
@@ -322,7 +368,7 @@ void lcd_show_board_info(void);
#if LCD_BPP == LCD_MONOCHROME
# define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
(c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
-#elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16)
+#elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16) || (LCD_BPP == LCD_COLOR32)
# define COLOR_MASK(c) (c)
#else
# error Unsupported LCD BPP.
diff --git a/lib_mips/board.c b/lib_mips/board.c
index b2d113e..87cb12d 100644
--- a/lib_mips/board.c
+++ b/lib_mips/board.c
@@ -49,6 +49,10 @@ DECLARE_GLOBAL_DATA_PTR;
#undef DEBUG
+#if defined(CONFIG_JZSOC)
+extern int jz_board_init(void);
+#endif
+
extern int timer_init(void);
extern int incaip_set_cpuclk(void);
@@ -78,7 +82,6 @@ int __board_early_init_f(void)
}
int board_early_init_f(void) __attribute__((weak, alias("__board_early_init_f")));
-
static int init_func_ram (void)
{
#ifdef CONFIG_BOARD_TYPES
@@ -98,7 +101,6 @@ static int init_func_ram (void)
static int display_banner(void)
{
-
printf ("\n\n%s\n\n", version_string);
return (0);
}
@@ -147,6 +149,9 @@ static int init_baudrate (void)
typedef int (init_fnc_t) (void);
init_fnc_t *init_sequence[] = {
+#if defined(CONFIG_JZSOC)
+ jz_board_init, /* init gpio/clocks/dram etc. */
+#endif
board_early_init_f,
timer_init,
env_init, /* initialize environment */
@@ -162,7 +167,6 @@ init_fnc_t *init_sequence[] = {
NULL,
};
-
void board_init_f(ulong bootflag)
{
gd_t gd_data, *id;
@@ -202,6 +206,12 @@ void board_init_f(ulong bootflag)
addr &= ~(4096 - 1);
debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
+#ifdef CONFIG_LCD
+ /* reserve memory for LCD display (always full pages) */
+ addr = lcd_setmem (addr);
+ gd->fb_base = addr;
+#endif /* CONFIG_LCD */
+
/* Reserve memory for U-Boot code, data & bss
* round down to next 16 kB limit
*/
@@ -349,9 +359,9 @@ void board_init_r (gd_t *id, ulong dest_addr)
size = flash_init();
display_flash_config (size);
bd->bi_flashsize = size;
+ bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#endif
- bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
bd->bi_flashoffset = monitor_flash_len; /* reserved area for U-Boot */
#else
diff --git a/lib_mips/bootm.c b/lib_mips/bootm.c
index 54af24c..64bcad9 100644
--- a/lib_mips/bootm.c
+++ b/lib_mips/bootm.c
@@ -46,7 +46,9 @@ static void linux_env_set (char * env_name, char * env_val);
int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
{
void (*theKernel) (int, char **, char **, int *);
- char *commandline = getenv ("bootargs");
+ char *commandline = gd->boot_option == 1 ?
+ getenv ("bootargsfromsd") :
+ getenv ("bootargs");
char env_buf[12];
char *cp;
@@ -98,6 +100,9 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
}
/* we assume that the kernel is in place */
+ if (gd->boot_option == 1)
+ printf ("\n *** Booting from mircoSD ***\n");
+
printf ("\nStarting kernel ...\n\n");
theKernel (linux_argc, linux_argv, linux_env, 0);
diff --git a/lib_mips/time.c b/lib_mips/time.c
index 07e356d..4654bf4 100644
--- a/lib_mips/time.c
+++ b/lib_mips/time.c
@@ -24,6 +24,8 @@
#include <common.h>
#include <asm/mipsregs.h>
+#ifndef CONFIG_JzRISC
+
static unsigned long timestamp;
/* how many counter cycles in a jiffy */
@@ -96,3 +98,5 @@ ulong get_tbclk(void)
{
return CONFIG_SYS_HZ;
}
+
+#endif /* !CONFIG_JzRISC */
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