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openwrt/target/linux/brcm-2.4/patches/001-bcm47xx.patch

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--- a/arch/mips/config-shared.in
+++ b/arch/mips/config-shared.in
@@ -208,6 +208,14 @@ if [ "$CONFIG_SIBYTE_SB1xxx_SOC" = "y" ]
fi
define_bool CONFIG_MIPS_RTC y
fi
+dep_bool 'Support for Broadcom MIPS-based boards' CONFIG_MIPS_BRCM $CONFIG_EXPERIMENTAL
+dep_bool 'Support for Broadcom BCM947XX' CONFIG_BCM947XX $CONFIG_MIPS_BRCM
+if [ "$CONFIG_BCM947XX" = "y" ] ; then
+ bool ' Support for Broadcom BCM4710' CONFIG_BCM4710
+ bool ' Support for Broadcom BCM4310' CONFIG_BCM4310
+ bool ' Support for Broadcom BCM4704' CONFIG_BCM4704
+ bool ' Support for Broadcom BCM5365' CONFIG_BCM5365
+fi
bool 'Support for SNI RM200 PCI' CONFIG_SNI_RM200_PCI
bool 'Support for TANBAC TB0226 (Mbase)' CONFIG_TANBAC_TB0226
bool 'Support for TANBAC TB0229 (VR4131DIMM)' CONFIG_TANBAC_TB0229
@@ -229,6 +237,11 @@ define_bool CONFIG_RWSEM_GENERIC_SPINLOC
define_bool CONFIG_RWSEM_XCHGADD_ALGORITHM n
#
+# Provide an option for a default kernel command line
+#
+string 'Default kernel command string' CONFIG_CMDLINE ""
+
+#
# Select some configuration options automatically based on user selections.
#
if [ "$CONFIG_ACER_PICA_61" = "y" ]; then
@@ -554,6 +567,12 @@ if [ "$CONFIG_SIBYTE_SB1xxx_SOC" = "y" ]
define_bool CONFIG_SWAP_IO_SPACE_L y
define_bool CONFIG_BOOT_ELF32 y
fi
+if [ "$CONFIG_BCM947XX" = "y" ] ; then
+ define_bool CONFIG_PCI y
+ define_bool CONFIG_NONCOHERENT_IO y
+ define_bool CONFIG_NEW_TIME_C y
+ define_bool CONFIG_NEW_IRQ y
+fi
if [ "$CONFIG_SNI_RM200_PCI" = "y" ]; then
define_bool CONFIG_ARC32 y
define_bool CONFIG_ARC_MEMORY y
@@ -1042,7 +1061,11 @@ comment 'Kernel hacking'
bool 'Are you using a crosscompiler' CONFIG_CROSSCOMPILE
bool 'Enable run-time debugging' CONFIG_RUNTIME_DEBUG
-bool 'Remote GDB kernel debugging' CONFIG_KGDB
+if [ "$CONFIG_BCM947XX" = "y" ] ; then
+ bool 'Remote GDB kernel debugging' CONFIG_REMOTE_DEBUG
+else
+ bool 'Remote GDB kernel debugging' CONFIG_KGDB
+fi
dep_bool ' Console output to GDB' CONFIG_GDB_CONSOLE $CONFIG_KGDB
if [ "$CONFIG_KGDB" = "y" ]; then
define_bool CONFIG_DEBUG_INFO y
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -162,7 +162,7 @@ static inline int __cpu_has_fpu(void)
static inline void cpu_probe_legacy(struct cpuinfo_mips *c)
{
- switch (c->processor_id & 0xff00) {
+ switch (c->processor_id & PRID_IMP_MASK) {
case PRID_IMP_R2000:
c->cputype = CPU_R2000;
c->isa_level = MIPS_CPU_ISA_I;
@@ -172,7 +172,7 @@ static inline void cpu_probe_legacy(stru
c->tlbsize = 64;
break;
case PRID_IMP_R3000:
- if ((c->processor_id & 0xff) == PRID_REV_R3000A)
+ if ((c->processor_id & PRID_REV_MASK) == PRID_REV_R3000A)
if (cpu_has_confreg())
c->cputype = CPU_R3081E;
else
@@ -187,12 +187,12 @@ static inline void cpu_probe_legacy(stru
break;
case PRID_IMP_R4000:
if (read_c0_config() & CONF_SC) {
- if ((c->processor_id & 0xff) >= PRID_REV_R4400)
+ if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_R4400)
c->cputype = CPU_R4400PC;
else
c->cputype = CPU_R4000PC;
} else {
- if ((c->processor_id & 0xff) >= PRID_REV_R4400)
+ if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_R4400)
c->cputype = CPU_R4400SC;
else
c->cputype = CPU_R4000SC;
@@ -438,7 +438,7 @@ static inline void decode_config1(struct
static inline void cpu_probe_mips(struct cpuinfo_mips *c)
{
decode_config1(c);
- switch (c->processor_id & 0xff00) {
+ switch (c->processor_id & PRID_IMP_MASK) {
case PRID_IMP_4KC:
c->cputype = CPU_4KC;
c->isa_level = MIPS_CPU_ISA_M32;
@@ -479,10 +479,10 @@ static inline void cpu_probe_alchemy(str
{
decode_config1(c);
c->options |= MIPS_CPU_PREFETCH;
- switch (c->processor_id & 0xff00) {
+ switch (c->processor_id & PRID_IMP_MASK) {
case PRID_IMP_AU1_REV1:
case PRID_IMP_AU1_REV2:
- switch ((c->processor_id >> 24) & 0xff) {
+ switch ((c->processor_id >> 24) & PRID_REV_MASK) {
case 0:
c->cputype = CPU_AU1000;
break;
@@ -510,10 +510,34 @@ static inline void cpu_probe_alchemy(str
}
}
+static inline void cpu_probe_broadcom(struct cpuinfo_mips *c)
+{
+ decode_config1(c);
+ c->options |= MIPS_CPU_PREFETCH;
+ switch (c->processor_id & PRID_IMP_MASK) {
+ case PRID_IMP_BCM4710:
+ c->cputype = CPU_BCM4710;
+ c->options = MIPS_CPU_TLB | MIPS_CPU_4KEX |
+ MIPS_CPU_4KTLB | MIPS_CPU_COUNTER;
+ c->scache.flags = MIPS_CACHE_NOT_PRESENT;
+ break;
+ case PRID_IMP_4KC:
+ case PRID_IMP_BCM3302:
+ c->cputype = CPU_BCM3302;
+ c->options = MIPS_CPU_TLB | MIPS_CPU_4KEX |
+ MIPS_CPU_4KTLB | MIPS_CPU_COUNTER;
+ c->scache.flags = MIPS_CACHE_NOT_PRESENT;
+ break;
+ default:
+ c->cputype = CPU_UNKNOWN;
+ break;
+ }
+}
+
static inline void cpu_probe_sibyte(struct cpuinfo_mips *c)
{
decode_config1(c);
- switch (c->processor_id & 0xff00) {
+ switch (c->processor_id & PRID_IMP_MASK) {
case PRID_IMP_SB1:
c->cputype = CPU_SB1;
c->isa_level = MIPS_CPU_ISA_M64;
@@ -535,7 +559,7 @@ static inline void cpu_probe_sibyte(stru
static inline void cpu_probe_sandcraft(struct cpuinfo_mips *c)
{
decode_config1(c);
- switch (c->processor_id & 0xff00) {
+ switch (c->processor_id & PRID_IMP_MASK) {
case PRID_IMP_SR71000:
c->cputype = CPU_SR71000;
c->isa_level = MIPS_CPU_ISA_M64;
@@ -560,7 +584,7 @@ __init void cpu_probe(void)
c->cputype = CPU_UNKNOWN;
c->processor_id = read_c0_prid();
- switch (c->processor_id & 0xff0000) {
+ switch (c->processor_id & PRID_COMP_MASK) {
case PRID_COMP_LEGACY:
cpu_probe_legacy(c);
@@ -571,6 +595,9 @@ __init void cpu_probe(void)
case PRID_COMP_ALCHEMY:
cpu_probe_alchemy(c);
break;
+ case PRID_COMP_BROADCOM:
+ cpu_probe_broadcom(c);
+ break;
case PRID_COMP_SIBYTE:
cpu_probe_sibyte(c);
break;
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -28,12 +28,20 @@
#include <asm/mipsregs.h>
#include <asm/stackframe.h>
+#ifdef CONFIG_BCM4710
+#undef eret
+#define eret nop; nop; eret
+#endif
+
.text
+ j kernel_entry
+ nop
+
/*
* Reserved space for exception handlers.
* Necessary for machines which link their kernels at KSEG0.
*/
- .fill 0x400
+ .fill 0x3f4
/* The following two symbols are used for kernel profiling. */
EXPORT(stext)
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -78,9 +78,10 @@ static const char *cpu_name[] = {
[CPU_AU1550] "Au1550",
[CPU_24K] "MIPS 24K",
[CPU_AU1200] "Au1200",
+ [CPU_BCM4710] "BCM4710",
+ [CPU_BCM3302] "BCM3302",
};
-
static int show_cpuinfo(struct seq_file *m, void *v)
{
unsigned int version = current_cpu_data.processor_id;
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -493,6 +493,7 @@ void __init setup_arch(char **cmdline_p)
void swarm_setup(void);
void hp_setup(void);
void au1x00_setup(void);
+ void brcm_setup(void);
void frame_info_init(void);
frame_info_init();
@@ -691,6 +692,11 @@ void __init setup_arch(char **cmdline_p)
pmc_yosemite_setup();
break;
#endif
+#if defined(CONFIG_BCM4710) || defined(CONFIG_BCM4310)
+ case MACH_GROUP_BRCM:
+ brcm_setup();
+ break;
+#endif
default:
panic("Unsupported architecture");
}
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -920,6 +920,7 @@ void __init per_cpu_trap_init(void)
void __init trap_init(void)
{
extern char except_vec1_generic;
+ extern char except_vec2_generic;
extern char except_vec3_generic, except_vec3_r4000;
extern char except_vec_ejtag_debug;
extern char except_vec4;
@@ -927,6 +928,7 @@ void __init trap_init(void)
/* Copy the generic exception handler code to it's final destination. */
memcpy((void *)(KSEG0 + 0x80), &except_vec1_generic, 0x80);
+ memcpy((void *)(KSEG0 + 0x100), &except_vec2_generic, 0x80);
/*
* Setup default vectors
@@ -985,6 +987,12 @@ void __init trap_init(void)
set_except_vector(13, handle_tr);
set_except_vector(22, handle_mdmx);
+ if (current_cpu_data.cputype == CPU_SB1) {
+ /* Enable timer interrupt and scd mapped interrupt */
+ clear_c0_status(0xf000);
+ set_c0_status(0xc00);
+ }
+
if (cpu_has_fpu && !cpu_has_nofpuex)
set_except_vector(15, handle_fpe);
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -726,6 +726,19 @@ LOADADDR += 0x80020000
endif
#
+# Broadcom BCM947XX variants
+#
+ifdef CONFIG_BCM947XX
+LIBS += arch/mips/bcm947xx/generic/brcm.o arch/mips/bcm947xx/bcm947xx.o
+SUBDIRS += arch/mips/bcm947xx/generic arch/mips/bcm947xx
+LOADADDR := 0x80001000
+
+zImage: vmlinux
+ $(MAKE) -C arch/$(ARCH)/bcm947xx/compressed
+export LOADADDR
+endif
+
+#
# Choosing incompatible machines durings configuration will result in
# error messages during linking. Select a default linkscript if
# none has been choosen above.
@@ -779,6 +792,7 @@ archclean:
$(MAKE) -C arch/$(ARCH)/tools clean
$(MAKE) -C arch/mips/baget clean
$(MAKE) -C arch/mips/lasat clean
+ $(MAKE) -C arch/mips/bcm947xx/compressed clean
archmrproper:
@$(MAKEBOOT) mrproper
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1118,3 +1118,47 @@ void __init ld_mmu_r4xx0(void)
build_clear_page();
build_copy_page();
}
+
+#ifdef CONFIG_BCM4704
+static void __init mips32_icache_fill(unsigned long addr, uint nbytes)
+{
+ unsigned long ic_lsize = current_cpu_data.icache.linesz;
+ int i;
+ for (i = 0; i < nbytes; i += ic_lsize)
+ fill_icache_line((addr + i));
+}
+
+/*
+ * This must be run from the cache on 4704A0
+ * so there are no mips core BIU ops in progress
+ * when the PFC is enabled.
+ */
+#define PFC_CR0 0xff400000 /* control reg 0 */
+#define PFC_CR1 0xff400004 /* control reg 1 */
+static void __init enable_pfc(u32 mode)
+{
+ /* write range */
+ *(volatile u32 *)PFC_CR1 = 0xffff0000;
+
+ /* enable */
+ *(volatile u32 *)PFC_CR0 = mode;
+}
+#endif
+
+
+void check_enable_mips_pfc(int val)
+{
+
+#ifdef CONFIG_BCM4704
+ struct cpuinfo_mips *c = &current_cpu_data;
+
+ /* enable prefetch cache */
+ if (((c->processor_id & (PRID_COMP_MASK | PRID_IMP_MASK)) == PRID_IMP_BCM3302)
+ && (read_c0_diag() & (1 << 29))) {
+ mips32_icache_fill((unsigned long) &enable_pfc, 64);
+ enable_pfc(val);
+ }
+#endif
+}
+
+
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -13,7 +13,9 @@ obj-$(CONFIG_MIPS_GT64120) += ops-gt6412
obj-$(CONFIG_MIPS_MSC) += ops-msc.o
obj-$(CONFIG_MIPS_NILE4) += ops-nile4.o
obj-$(CONFIG_SNI_RM200_PCI) += ops-sni.o
+ifndef CONFIG_BCM947XX
obj-y += pci.o
+endif
obj-$(CONFIG_PCI_AUTO) += pci_auto.o
include $(TOPDIR)/Rules.make
--- a/drivers/char/serial.c
+++ b/drivers/char/serial.c
@@ -444,6 +444,10 @@ static _INLINE_ unsigned int serial_in(s
return inb(info->port+1);
#endif
case SERIAL_IO_MEM:
+#ifdef CONFIG_BCM4310
+ readb((unsigned long) info->iomem_base +
+ (UART_SCR<<info->iomem_reg_shift));
+#endif
return readb((unsigned long) info->iomem_base +
(offset<<info->iomem_reg_shift));
default:
@@ -464,6 +468,9 @@ static _INLINE_ void serial_out(struct a
case SERIAL_IO_MEM:
writeb(value, (unsigned long) info->iomem_base +
(offset<<info->iomem_reg_shift));
+#ifdef CONFIG_BCM4704
+ *((volatile unsigned int *) KSEG1ADDR(0x18000000));
+#endif
break;
default:
outb(value, info->port+offset);
@@ -1728,7 +1735,7 @@ static void change_speed(struct async_st
/* Special case since 134 is really 134.5 */
quot = (2*baud_base / 269);
else if (baud)
- quot = baud_base / baud;
+ quot = (baud_base + (baud / 2)) / baud;
}
/* If the quotient is zero refuse the change */
if (!quot && old_termios) {
@@ -1745,12 +1752,12 @@ static void change_speed(struct async_st
/* Special case since 134 is really 134.5 */
quot = (2*baud_base / 269);
else if (baud)
- quot = baud_base / baud;
+ quot = (baud_base + (baud / 2)) / baud;
}
}
/* As a last resort, if the quotient is zero, default to 9600 bps */
if (!quot)
- quot = baud_base / 9600;
+ quot = (baud_base + 4800) / 9600;
/*
* Work around a bug in the Oxford Semiconductor 952 rev B
* chip which causes it to seriously miscalculate baud rates
@@ -5994,6 +6001,13 @@ static int __init serial_console_setup(s
* Divisor, bytesize and parity
*/
state = rs_table + co->index;
+ /*
+ * Safe guard: state structure must have been initialized
+ */
+ if (state->iomem_base == NULL) {
+ printk("!unable to setup serial console!\n");
+ return -1;
+ }
if (doflow)
state->flags |= ASYNC_CONS_FLOW;
info = &async_sercons;
@@ -6007,7 +6021,7 @@ static int __init serial_console_setup(s
info->io_type = state->io_type;
info->iomem_base = state->iomem_base;
info->iomem_reg_shift = state->iomem_reg_shift;
- quot = state->baud_base / baud;
+ quot = (state->baud_base + (baud / 2)) / baud;
cval = cflag & (CSIZE | CSTOPB);
#if defined(__powerpc__) || defined(__alpha__)
cval >>= 8;
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -3,6 +3,8 @@
# Makefile for the Linux network (ethercard) device drivers.
#
+EXTRA_CFLAGS := -I$(TOPDIR)/arch/mips/bcm947xx/include
+
obj-y :=
obj-m :=
obj-n :=
--- a/drivers/parport/Config.in
+++ b/drivers/parport/Config.in
@@ -11,6 +11,7 @@ comment 'Parallel port support'
tristate 'Parallel port support' CONFIG_PARPORT
if [ "$CONFIG_PARPORT" != "n" ]; then
dep_tristate ' PC-style hardware' CONFIG_PARPORT_PC $CONFIG_PARPORT
+ dep_tristate ' Asus WL500g parallel port' CONFIG_PARPORT_SPLINK $CONFIG_PARPORT
if [ "$CONFIG_PARPORT_PC" != "n" -a "$CONFIG_SERIAL" != "n" ]; then
if [ "$CONFIG_SERIAL" = "m" ]; then
define_tristate CONFIG_PARPORT_PC_CML1 m
--- a/drivers/parport/Makefile
+++ b/drivers/parport/Makefile
@@ -22,6 +22,7 @@ endif
obj-$(CONFIG_PARPORT) += parport.o
obj-$(CONFIG_PARPORT_PC) += parport_pc.o
+obj-$(CONFIG_PARPORT_SPLINK) += parport_splink.o
obj-$(CONFIG_PARPORT_PC_PCMCIA) += parport_cs.o
obj-$(CONFIG_PARPORT_AMIGA) += parport_amiga.o
obj-$(CONFIG_PARPORT_MFC3) += parport_mfc3.o
--- a/include/asm-mips/bootinfo.h
+++ b/include/asm-mips/bootinfo.h
@@ -37,6 +37,7 @@
#define MACH_GROUP_HP_LJ 20 /* Hewlett Packard LaserJet */
#define MACH_GROUP_LASAT 21
#define MACH_GROUP_TITAN 22 /* PMC-Sierra Titan */
+#define MACH_GROUP_BRCM 23 /* Broadcom */
/*
* Valid machtype values for group unknown (low order halfword of mips_machtype)
@@ -197,6 +198,15 @@
#define MACH_TANBAC_TB0229 7 /* TANBAC TB0229 (VR4131DIMM) */
/*
+ * Valid machtypes for group Broadcom
+ */
+#define MACH_BCM93725 0
+#define MACH_BCM93725_VJ 1
+#define MACH_BCM93730 2
+#define MACH_BCM947XX 3
+#define MACH_BCM933XX 4
+
+/*
* Valid machtype for group TITAN
*/
#define MACH_TITAN_YOSEMITE 1 /* PMC-Sierra Yosemite */
--- a/include/asm-mips/cpu.h
+++ b/include/asm-mips/cpu.h
@@ -22,6 +22,11 @@
spec.
*/
+#define PRID_COPT_MASK 0xff000000
+#define PRID_COMP_MASK 0x00ff0000
+#define PRID_IMP_MASK 0x0000ff00
+#define PRID_REV_MASK 0x000000ff
+
#define PRID_COMP_LEGACY 0x000000
#define PRID_COMP_MIPS 0x010000
#define PRID_COMP_BROADCOM 0x020000
@@ -58,6 +63,7 @@
#define PRID_IMP_RM7000 0x2700
#define PRID_IMP_NEVADA 0x2800 /* RM5260 ??? */
#define PRID_IMP_RM9000 0x3400
+#define PRID_IMP_BCM4710 0x4000
#define PRID_IMP_R5432 0x5400
#define PRID_IMP_R5500 0x5500
#define PRID_IMP_4KC 0x8000
@@ -66,10 +72,16 @@
#define PRID_IMP_4KEC 0x8400
#define PRID_IMP_4KSC 0x8600
#define PRID_IMP_25KF 0x8800
+#define PRID_IMP_BCM3302 0x9000
+#define PRID_IMP_BCM3303 0x9100
#define PRID_IMP_24K 0x9300
#define PRID_IMP_UNKNOWN 0xff00
+#define BCM330X(id) \
+ (((id & (PRID_COMP_MASK | PRID_IMP_MASK)) == (PRID_COMP_BROADCOM | PRID_IMP_BCM3302)) \
+ || ((id & (PRID_COMP_MASK | PRID_IMP_MASK)) == (PRID_COMP_BROADCOM | PRID_IMP_BCM3303)))
+
/*
* These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
*/
@@ -174,7 +186,9 @@
#define CPU_AU1550 57
#define CPU_24K 58
#define CPU_AU1200 59
-#define CPU_LAST 59
+#define CPU_BCM4710 60
+#define CPU_BCM3302 61
+#define CPU_LAST 61
/*
* ISA Level encodings
--- a/include/asm-mips/r4kcache.h
+++ b/include/asm-mips/r4kcache.h
@@ -567,4 +567,17 @@ static inline void blast_scache128_page_
cache128_unroll32(addr|ws,Index_Writeback_Inv_SD);
}
+extern inline void fill_icache_line(unsigned long addr)
+{
+ __asm__ __volatile__(
+ ".set noreorder\n\t"
+ ".set mips3\n\t"
+ "cache %1, (%0)\n\t"
+ ".set mips0\n\t"
+ ".set reorder"
+ :
+ : "r" (addr),
+ "i" (Fill));
+}
+
#endif /* __ASM_R4KCACHE_H */
--- a/include/asm-mips/serial.h
+++ b/include/asm-mips/serial.h
@@ -223,6 +223,13 @@
#define TXX927_SERIAL_PORT_DEFNS
#endif
+#ifdef CONFIG_BCM947XX
+/* reserve 4 ports to be configured at runtime */
+#define BCM947XX_SERIAL_PORT_DEFNS { 0, }, { 0, }, { 0, }, { 0, },
+#else
+#define BCM947XX_SERIAL_PORT_DEFNS
+#endif
+
#ifdef CONFIG_HAVE_STD_PC_SERIAL_PORT
#define STD_SERIAL_PORT_DEFNS \
/* UART CLK PORT IRQ FLAGS */ \
@@ -470,6 +477,7 @@
#define SERIAL_PORT_DFNS \
ATLAS_SERIAL_PORT_DEFNS \
AU1000_SERIAL_PORT_DEFNS \
+ BCM947XX_SERIAL_PORT_DEFNS \
COBALT_SERIAL_PORT_DEFNS \
DDB5477_SERIAL_PORT_DEFNS \
EV96100_SERIAL_PORT_DEFNS \
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -255,7 +255,13 @@ static struct dev_name_struct {
{ "ftlb", 0x2c08 },
{ "ftlc", 0x2c10 },
{ "ftld", 0x2c18 },
+#if defined(CONFIG_MTD_BLOCK) || defined(CONFIG_MTD_BLOCK_RO)
{ "mtdblock", 0x1f00 },
+ { "mtdblock0",0x1f00 },
+ { "mtdblock1",0x1f01 },
+ { "mtdblock2",0x1f02 },
+ { "mtdblock3",0x1f03 },
+#endif
{ "nb", 0x2b00 },
{ NULL, 0 }
};
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