From bcd764a55058935d0f2c01c37921f2929a0e4be5 Mon Sep 17 00:00:00 2001 From: jogo Date: Mon, 13 Jan 2014 12:13:05 +0000 Subject: brcm63xx: update bmips patches with upstream submission Update bmips cleanup patches with upstream submission and backport a few bmips fixes. Signed-off-by: Jonas Gorski git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39267 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- target/linux/brcm63xx/config-3.10 | 13 +- ...Fix-thinko-to-release-slave-TP-from-reset.patch | 37 ++ ...do-not-change-interrupt-routing-depending.patch | 41 ++ ...fix-slave-CPU-booting-when-physical-CPU-i.patch | 58 ++ ...fix-hardware-interrupt-routing-for-boot-C.patch | 48 ++ ...-MIPS-BCM63XX-disable-SMP-also-on-BCM3368.patch | 36 ++ ...ow-asm-cpu.h-to-be-included-from-assembly.patch | 31 ++ ...change-compile-time-checks-to-runtime-che.patch | 602 +++++++++++++++++++++ ...S-BMIPS-merge-CPU-options-into-one-option.patch | 137 +++++ ...64-MIPS-BMIPS-select-CPU_SUPPORTS_HIGHMEM.patch | 30 + .../065-MIPS-BMIPS-select-CPU_HAS_PREFETCH.patch | 22 + ...BMIPS-extend-BMIPS3300-to-include-BMIPS32.patch | 52 ++ ...S-BMIPS-add-a-smp-ops-registration-helper.patch | 77 +++ ...IPS-BCM63XX-always-register-bmips-smp-ops.patch | 27 + ...X-let-the-individual-SoCs-select-the-appr.patch | 70 +++ ...71-MIPS-BCM63XX-drop-SYS_HAS_CPU_MIPS32R1.patch | 24 + ...-MIPS-bmips-fix-compilation-for-BMIPS5000.patch | 4 +- ...ow-asm-cpu.h-to-be-included-from-assembly.patch | 31 -- ...add-macros-for-testing-the-current-bmips-.patch | 36 -- ...change-compile-time-checks-to-runtime-che.patch | 482 ----------------- ...S-bmips-merge-CPU-options-into-one-option.patch | 126 ----- ...X-let-the-individual-SoCs-select-the-appr.patch | 72 --- ...add-a-helper-function-for-registering-smp.patch | 42 -- ...IPS-BCM63XX-always-register-bmips-smp-ops.patch | 26 - ...3XX-change-the-guard-to-a-BMIPS4350-check.patch | 21 - ...-MIPS-BCM63XX-disable-SMP-also-on-BCM3368.patch | 36 -- ...X-introduce-BCM63XX_OHCI-configuration-sy.patch | 2 +- target/linux/brcm63xx/smp/config-default | 8 +- 28 files changed, 1303 insertions(+), 888 deletions(-) create mode 100644 target/linux/brcm63xx/patches-3.10/056-MIPS-BMIPS-Fix-thinko-to-release-slave-TP-from-reset.patch create mode 100644 target/linux/brcm63xx/patches-3.10/057-MIPS-BMIPS-do-not-change-interrupt-routing-depending.patch create mode 100644 target/linux/brcm63xx/patches-3.10/058-MIPS-BMIPS-fix-slave-CPU-booting-when-physical-CPU-i.patch create mode 100644 target/linux/brcm63xx/patches-3.10/059-MIPS-BMIPS-fix-hardware-interrupt-routing-for-boot-C.patch create mode 100644 target/linux/brcm63xx/patches-3.10/060-MIPS-BCM63XX-disable-SMP-also-on-BCM3368.patch create mode 100644 target/linux/brcm63xx/patches-3.10/061-MIPS-allow-asm-cpu.h-to-be-included-from-assembly.patch create mode 100644 target/linux/brcm63xx/patches-3.10/062-MIPS-BMIPS-change-compile-time-checks-to-runtime-che.patch create mode 100644 target/linux/brcm63xx/patches-3.10/063-MIPS-BMIPS-merge-CPU-options-into-one-option.patch create mode 100644 target/linux/brcm63xx/patches-3.10/064-MIPS-BMIPS-select-CPU_SUPPORTS_HIGHMEM.patch create mode 100644 target/linux/brcm63xx/patches-3.10/065-MIPS-BMIPS-select-CPU_HAS_PREFETCH.patch create mode 100644 target/linux/brcm63xx/patches-3.10/066-MIPS-BMIPS-extend-BMIPS3300-to-include-BMIPS32.patch create mode 100644 target/linux/brcm63xx/patches-3.10/067-MIPS-BMIPS-add-a-smp-ops-registration-helper.patch create mode 100644 target/linux/brcm63xx/patches-3.10/068-MIPS-BCM63XX-always-register-bmips-smp-ops.patch create mode 100644 target/linux/brcm63xx/patches-3.10/069-MIPS-BCM63XX-let-the-individual-SoCs-select-the-appr.patch create mode 100644 target/linux/brcm63xx/patches-3.10/071-MIPS-BCM63XX-drop-SYS_HAS_CPU_MIPS32R1.patch delete mode 100644 target/linux/brcm63xx/patches-3.10/101-MIPS-allow-asm-cpu.h-to-be-included-from-assembly.patch delete mode 100644 target/linux/brcm63xx/patches-3.10/102-MIPS-bmips-add-macros-for-testing-the-current-bmips-.patch delete mode 100644 target/linux/brcm63xx/patches-3.10/103-MIPS-bmips-change-compile-time-checks-to-runtime-che.patch delete mode 100644 target/linux/brcm63xx/patches-3.10/104-MIPS-bmips-merge-CPU-options-into-one-option.patch delete mode 100644 target/linux/brcm63xx/patches-3.10/105-MIPS-BCM63XX-let-the-individual-SoCs-select-the-appr.patch delete mode 100644 target/linux/brcm63xx/patches-3.10/106-MIPS-bmips-add-a-helper-function-for-registering-smp.patch delete mode 100644 target/linux/brcm63xx/patches-3.10/107-MIPS-BCM63XX-always-register-bmips-smp-ops.patch delete mode 100644 target/linux/brcm63xx/patches-3.10/108-MIPS-BCM63XX-change-the-guard-to-a-BMIPS4350-check.patch delete mode 100644 target/linux/brcm63xx/patches-3.10/109-MIPS-BCM63XX-disable-SMP-also-on-BCM3368.patch (limited to 'target/linux/brcm63xx') diff --git a/target/linux/brcm63xx/config-3.10 b/target/linux/brcm63xx/config-3.10 index e47a22ad55..7234bc465a 100644 --- a/target/linux/brcm63xx/config-3.10 +++ b/target/linux/brcm63xx/config-3.10 @@ -37,13 +37,13 @@ CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=squashfs,jffs2 noinitrd console=t CONFIG_CMDLINE_BOOL=y # CONFIG_CMDLINE_OVERRIDE is not set CONFIG_CPU_BIG_ENDIAN=y -# CONFIG_CPU_BMIPS is not set +CONFIG_CPU_BMIPS=y +CONFIG_CPU_BMIPS32_3300=y +CONFIG_CPU_BMIPS4350=y CONFIG_CPU_GENERIC_DUMP_TLB=y CONFIG_CPU_HAS_PREFETCH=y CONFIG_CPU_HAS_SYNC=y CONFIG_CPU_MIPS32=y -CONFIG_CPU_MIPS32_R1=y -CONFIG_CPU_MIPSR1=y CONFIG_CPU_R4K_CACHE_TLB=y CONFIG_CPU_R4K_FPU=y CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y @@ -65,7 +65,6 @@ CONFIG_GPIO_74X164=y CONFIG_GPIO_DEVRES=y CONFIG_GPIO_SYSFS=y # CONFIG_HAMRADIO is not set -CONFIG_HARDWARE_WATCHPOINTS=y CONFIG_HAS_DMA=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y @@ -172,17 +171,19 @@ CONFIG_SSB_SPROM=y CONFIG_SWAP_IO_SPACE=y CONFIG_SWCONFIG=y CONFIG_SYS_HAS_CPU_BMIPS=y -CONFIG_SYS_HAS_CPU_BMIPS3300=y +CONFIG_SYS_HAS_CPU_BMIPS32_3300=y CONFIG_SYS_HAS_CPU_BMIPS4350=y -CONFIG_SYS_HAS_CPU_MIPS32_R1=y CONFIG_SYS_HAS_EARLY_PRINTK=y CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y CONFIG_SYS_SUPPORTS_ARBIT_HZ=y CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y +CONFIG_SYS_SUPPORTS_HOTPLUG_CPU=y +CONFIG_SYS_SUPPORTS_SMP=y CONFIG_TICK_CPU_ACCOUNTING=y CONFIG_UIDGID_CONVERTED=y CONFIG_USB_ARCH_HAS_XHCI=y CONFIG_USB_SUPPORT=y CONFIG_VM_EVENT_COUNTERS=y CONFIG_WATCHDOG_NOWAYOUT=y +CONFIG_WEAK_ORDERING=y CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/brcm63xx/patches-3.10/056-MIPS-BMIPS-Fix-thinko-to-release-slave-TP-from-reset.patch b/target/linux/brcm63xx/patches-3.10/056-MIPS-BMIPS-Fix-thinko-to-release-slave-TP-from-reset.patch new file mode 100644 index 0000000000..58658290c3 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/056-MIPS-BMIPS-Fix-thinko-to-release-slave-TP-from-reset.patch @@ -0,0 +1,37 @@ +From 976f39b139cdd06a88a5aadd8202b0c30cac9cda Mon Sep 17 00:00:00 2001 +From: Florian Fainelli +Date: Wed, 17 Jul 2013 17:56:31 +0000 +Subject: [PATCH] MIPS: BMIPS: Fix thinko to release slave TP from reset + +Commit 4df715aa ["MIPS: BMIPS: support booting from physical CPU other +than 0"] introduced a thinko which will prevents slave CPUs from being +released from reset on systems where we boot from TP0. The problem is +that we are checking whether the slave CPU logical CPU map is 0, which +is never true for systems booting from TP0, so we do not release the +slave TP from reset and we are just stuck. Fix this by properly checking +that the CPU we intend to boot really is the physical slave CPU (logical +and physical value being 1). + +Signed-off-by: Florian Fainelli +Cc: linux-mips@linux-mips.org +Cc: blogic@openwrt.org +Cc: jogo@openwrt.org +Cc: cernekee@gmail.com +Cc: Florian Fainelli +Patchwork: https://patchwork.linux-mips.org/patch/5598/ +Signed-off-by: Ralf Baechle +--- + arch/mips/kernel/smp-bmips.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/arch/mips/kernel/smp-bmips.c ++++ b/arch/mips/kernel/smp-bmips.c +@@ -173,7 +173,7 @@ static void bmips_boot_secondary(int cpu + else { + #if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) + /* Reset slave TP1 if booting from TP0 */ +- if (cpu_logical_map(cpu) == 0) ++ if (cpu_logical_map(cpu) == 1) + set_c0_brcm_cmt_ctrl(0x01); + #elif defined(CONFIG_CPU_BMIPS5000) + if (cpu & 0x01) diff --git a/target/linux/brcm63xx/patches-3.10/057-MIPS-BMIPS-do-not-change-interrupt-routing-depending.patch b/target/linux/brcm63xx/patches-3.10/057-MIPS-BMIPS-do-not-change-interrupt-routing-depending.patch new file mode 100644 index 0000000000..69c7aa00d5 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/057-MIPS-BMIPS-do-not-change-interrupt-routing-depending.patch @@ -0,0 +1,41 @@ +From c4091d3fbbed922a3641e5e749655e49cc0d4dee Mon Sep 17 00:00:00 2001 +From: Florian Fainelli +Date: Wed, 24 Jul 2013 17:12:10 +0100 +Subject: [PATCH] MIPS: BMIPS: do not change interrupt routing depending on + boot CPU + +Commit 4df715aa ("MIPS: BMIPS: support booting from physical CPU other +than 0") changed the interupt routing when we are booting from physical +CPU 0, but the settings are actually correct if we are booting from +physical CPU 0 or CPU 1. Revert that specific change. + +Signed-off-by: Florian Fainelli +Cc: linux-mips@linux-mips.org +Cc: cernekee@gmail.com +Cc: jogo@openwrt.org +Cc: blogic@openwrt.org +Patchwork: https://patchwork.linux-mips.org/patch/5622/ +Signed-off-by: Ralf Baechle +--- + arch/mips/kernel/smp-bmips.c | 8 +------- + 1 file changed, 1 insertion(+), 7 deletions(-) + +--- a/arch/mips/kernel/smp-bmips.c ++++ b/arch/mips/kernel/smp-bmips.c +@@ -79,15 +79,9 @@ static void __init bmips_smp_setup(void) + * MIPS interrupts 0,1 (SW INT 0,1) cross over to the other thread + * MIPS interrupt 2 (HW INT 0) is the CPU0 L1 controller output + * MIPS interrupt 3 (HW INT 1) is the CPU1 L1 controller output +- * +- * If booting from TP1, leave the existing CMT interrupt routing +- * such that TP0 responds to SW1 and TP1 responds to SW0. + */ +- if (boot_cpu == 0) +- change_c0_brcm_cmt_intr(0xf8018000, ++ change_c0_brcm_cmt_intr(0xf8018000, + (0x02 << 27) | (0x03 << 15)); +- else +- change_c0_brcm_cmt_intr(0xf8018000, (0x1d << 27)); + + /* single core, 2 threads (2 pipelines) */ + max_cpus = 2; diff --git a/target/linux/brcm63xx/patches-3.10/058-MIPS-BMIPS-fix-slave-CPU-booting-when-physical-CPU-i.patch b/target/linux/brcm63xx/patches-3.10/058-MIPS-BMIPS-fix-slave-CPU-booting-when-physical-CPU-i.patch new file mode 100644 index 0000000000..3df6e870c2 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/058-MIPS-BMIPS-fix-slave-CPU-booting-when-physical-CPU-i.patch @@ -0,0 +1,58 @@ +From ff5fadaff39180dc0b652753b5614a564711be29 Mon Sep 17 00:00:00 2001 +From: Florian Fainelli +Date: Wed, 24 Jul 2013 17:12:11 +0100 +Subject: [PATCH] MIPS: BMIPS: fix slave CPU booting when physical CPU is not 0 + +The current BMIPS SMP code assumes that the slave CPU is physical and +logical CPU 1, but on some systems such as BCM3368, the slave CPU is +physical CPU0. Fix the code to read the physical CPU (thread ID) we are +running this code on, and adjust the relocation vector address based on +it. This allows bringing up the second CPU on BCM3368 for instance. + +Signed-off-by: Florian Fainelli +Cc: linux-mips@linux-mips.org +Cc: cernekee@gmail.com +Cc: jogo@openwrt.org +Cc: blogic@openwrt.org +Patchwork: https://patchwork.linux-mips.org/patch/5621/ +Signed-off-by: Ralf Baechle +--- + arch/mips/kernel/bmips_vec.S | 6 +++++- + arch/mips/kernel/smp-bmips.c | 10 ++++++++-- + 2 files changed, 13 insertions(+), 3 deletions(-) + +--- a/arch/mips/kernel/bmips_vec.S ++++ b/arch/mips/kernel/bmips_vec.S +@@ -56,7 +56,11 @@ LEAF(bmips_smp_movevec) + /* set up CPU1 CBR; move BASE to 0xa000_0000 */ + li k0, 0xff400000 + mtc0 k0, $22, 6 +- li k1, CKSEG1 | BMIPS_RELO_VECTOR_CONTROL_1 ++ /* set up relocation vector address based on thread ID */ ++ mfc0 k1, $22, 3 ++ srl k1, 16 ++ andi k1, 0x8000 ++ or k1, CKSEG1 | BMIPS_RELO_VECTOR_CONTROL_0 + or k0, k1 + li k1, 0xa0080000 + sw k1, 0(k0) +--- a/arch/mips/kernel/smp-bmips.c ++++ b/arch/mips/kernel/smp-bmips.c +@@ -196,9 +196,15 @@ static void bmips_init_secondary(void) + #if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) + void __iomem *cbr = BMIPS_GET_CBR(); + unsigned long old_vec; ++ unsigned long relo_vector; ++ int boot_cpu; + +- old_vec = __raw_readl(cbr + BMIPS_RELO_VECTOR_CONTROL_1); +- __raw_writel(old_vec & ~0x20000000, cbr + BMIPS_RELO_VECTOR_CONTROL_1); ++ boot_cpu = !!(read_c0_brcm_cmt_local() & (1 << 31)); ++ relo_vector = boot_cpu ? BMIPS_RELO_VECTOR_CONTROL_0 : ++ BMIPS_RELO_VECTOR_CONTROL_1; ++ ++ old_vec = __raw_readl(cbr + relo_vector); ++ __raw_writel(old_vec & ~0x20000000, cbr + relo_vector); + + clear_c0_cause(smp_processor_id() ? C_SW1 : C_SW0); + #elif defined(CONFIG_CPU_BMIPS5000) diff --git a/target/linux/brcm63xx/patches-3.10/059-MIPS-BMIPS-fix-hardware-interrupt-routing-for-boot-C.patch b/target/linux/brcm63xx/patches-3.10/059-MIPS-BMIPS-fix-hardware-interrupt-routing-for-boot-C.patch new file mode 100644 index 0000000000..a838f1a2d4 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/059-MIPS-BMIPS-fix-hardware-interrupt-routing-for-boot-C.patch @@ -0,0 +1,48 @@ +From fcfa66de8a2f0631a65a2cec0f6149dafd36ec81 Mon Sep 17 00:00:00 2001 +From: Florian Fainelli +Date: Mon, 5 Aug 2013 11:50:25 +0100 +Subject: [PATCH] MIPS: BMIPS: fix hardware interrupt routing for boot CPU != 0 + +The hardware interrupt routing for boot CPU != 0 is wrong because it +will route all the hardware interrupts to TP0 which is not the one we +booted from. Fix this by properly checking which boot CPU we are booting +from and updating the right interrupt mask for the boot CPU. This fixes +booting on BCM3368 with bmips_smp_emabled = 0. + +Signed-off-by: Florian Fainelli +Cc: linux-mips@linux-mips.org +Cc: blogic@openwrt.org +Cc: jogo@openwrt.org +Cc: cernekee@gmail.com +Patchwork: https://patchwork.linux-mips.org/patch/5650/ +Signed-off-by: Ralf Baechle +--- + arch/mips/kernel/smp-bmips.c | 10 ++++++++-- + 1 file changed, 8 insertions(+), 2 deletions(-) + +--- a/arch/mips/kernel/smp-bmips.c ++++ b/arch/mips/kernel/smp-bmips.c +@@ -66,6 +66,8 @@ static void __init bmips_smp_setup(void) + int i, cpu = 1, boot_cpu = 0; + + #if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) ++ int cpu_hw_intr; ++ + /* arbitration priority */ + clear_c0_brcm_cmt_ctrl(0x30); + +@@ -80,8 +82,12 @@ static void __init bmips_smp_setup(void) + * MIPS interrupt 2 (HW INT 0) is the CPU0 L1 controller output + * MIPS interrupt 3 (HW INT 1) is the CPU1 L1 controller output + */ +- change_c0_brcm_cmt_intr(0xf8018000, +- (0x02 << 27) | (0x03 << 15)); ++ if (boot_cpu == 0) ++ cpu_hw_intr = 0x02; ++ else ++ cpu_hw_intr = 0x1d; ++ ++ change_c0_brcm_cmt_intr(0xf8018000, (cpu_hw_intr << 27) | (0x03 << 15)); + + /* single core, 2 threads (2 pipelines) */ + max_cpus = 2; diff --git a/target/linux/brcm63xx/patches-3.10/060-MIPS-BCM63XX-disable-SMP-also-on-BCM3368.patch b/target/linux/brcm63xx/patches-3.10/060-MIPS-BCM63XX-disable-SMP-also-on-BCM3368.patch new file mode 100644 index 0000000000..b50f0b8e65 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/060-MIPS-BCM63XX-disable-SMP-also-on-BCM3368.patch @@ -0,0 +1,36 @@ +From 8bd8f46cbc709974b26396aa440133db4484015e Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Fri, 28 Jun 2013 00:25:13 +0200 +Subject: [PATCH V2 01/13] MIPS: BCM63XX: disable SMP also on BCM3368 + +BCM3368 has the same shared TLB as BCM6358. + +Signed-off-by: Jonas Gorski +--- + arch/mips/bcm63xx/prom.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +--- a/arch/mips/bcm63xx/prom.c ++++ b/arch/mips/bcm63xx/prom.c +@@ -64,9 +64,9 @@ void __init prom_init(void) + register_smp_ops(&bmips_smp_ops); + + /* +- * BCM6328 might not have its second CPU enabled, while BCM6358 +- * needs special handling for its shared TLB, so disable SMP +- * for now. ++ * BCM6328 might not have its second CPU enabled, while BCM3368 ++ * and BCM6358 need special handling for their shared TLB, so ++ * disable SMP for now. + */ + if (BCMCPU_IS_6328()) { + reg = bcm_readl(BCM_6328_OTP_BASE + +@@ -74,7 +74,7 @@ void __init prom_init(void) + + if (reg & OTP_6328_REG3_TP1_DISABLED) + bmips_smp_enabled = 0; +- } else if (BCMCPU_IS_6358()) { ++ } else if (BCMCPU_IS_3368() || BCMCPU_IS_6358()) { + bmips_smp_enabled = 0; + } + diff --git a/target/linux/brcm63xx/patches-3.10/061-MIPS-allow-asm-cpu.h-to-be-included-from-assembly.patch b/target/linux/brcm63xx/patches-3.10/061-MIPS-allow-asm-cpu.h-to-be-included-from-assembly.patch new file mode 100644 index 0000000000..839cb4feca --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/061-MIPS-allow-asm-cpu.h-to-be-included-from-assembly.patch @@ -0,0 +1,31 @@ +From 72a1c3ad0392d7b42bf50e6ecade63a775166c73 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Thu, 27 Jun 2013 21:32:41 +0200 +Subject: [PATCH V2 02/13] MIPS: allow asm/cpu.h to be included from assembly + +Add guards around the enum to allow including cpu.h from assembly. + +Signed-off-by: Jonas Gorski +--- + arch/mips/include/asm/cpu.h | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/arch/mips/include/asm/cpu.h ++++ b/arch/mips/include/asm/cpu.h +@@ -225,6 +225,8 @@ + + #define FPIR_IMP_NONE 0x0000 + ++#if !defined(__ASSEMBLY__) ++ + enum cpu_type_enum { + CPU_UNKNOWN, + +@@ -277,6 +279,7 @@ enum cpu_type_enum { + CPU_LAST + }; + ++#endif /* !__ASSEMBLY */ + + /* + * ISA Level encodings diff --git a/target/linux/brcm63xx/patches-3.10/062-MIPS-BMIPS-change-compile-time-checks-to-runtime-che.patch b/target/linux/brcm63xx/patches-3.10/062-MIPS-BMIPS-change-compile-time-checks-to-runtime-che.patch new file mode 100644 index 0000000000..a13dffb43b --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/062-MIPS-BMIPS-change-compile-time-checks-to-runtime-che.patch @@ -0,0 +1,602 @@ +From 7d790bd6cab314462a29ba194e243b8b1d529524 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Thu, 27 Jun 2013 21:33:56 +0200 +Subject: [PATCH V2 03/13] MIPS: BMIPS: change compile time checks to runtime + checks + +Allow building for all bmips cpus at the same time by changing ifdefs +to checks for the cpu type, or adding appropriate checks to the +assembly. + +Since BMIPS43XX and BMIPS5000 require different IPI implementations, +split the SMP ops into one for each, so the runtime overhead is only +at registration time for them. + +Signed-off-by: Jonas Gorski +--- +V1 -> V2: + * use switch (cpu_type()) instead of if () else if () ... + * split the smp ops into bmips43xx and bmips5000 + + arch/mips/bcm63xx/prom.c | 2 +- + arch/mips/include/asm/bmips.h | 3 +- + arch/mips/kernel/bmips_vec.S | 55 ++++++-- + arch/mips/kernel/smp-bmips.c | 312 +++++++++++++++++++++++++----------------- + 4 files changed, 235 insertions(+), 137 deletions(-) + +--- a/arch/mips/bcm63xx/prom.c ++++ b/arch/mips/bcm63xx/prom.c +@@ -61,7 +61,7 @@ void __init prom_init(void) + + if (IS_ENABLED(CONFIG_CPU_BMIPS4350) && IS_ENABLED(CONFIG_SMP)) { + /* set up SMP */ +- register_smp_ops(&bmips_smp_ops); ++ register_smp_ops(&bmips43xx_smp_ops); + + /* + * BCM6328 might not have its second CPU enabled, while BCM3368 +--- a/arch/mips/include/asm/bmips.h ++++ b/arch/mips/include/asm/bmips.h +@@ -47,7 +47,8 @@ + #include + #include + +-extern struct plat_smp_ops bmips_smp_ops; ++extern struct plat_smp_ops bmips43xx_smp_ops; ++extern struct plat_smp_ops bmips5000_smp_ops; + extern char bmips_reset_nmi_vec; + extern char bmips_reset_nmi_vec_end; + extern char bmips_smp_movevec; +--- a/arch/mips/kernel/bmips_vec.S ++++ b/arch/mips/kernel/bmips_vec.S +@@ -13,6 +13,7 @@ + #include + #include + #include ++#include + #include + #include + #include +@@ -93,12 +94,18 @@ NESTED(bmips_reset_nmi_vec, PT_SIZE, sp) + beqz k0, bmips_smp_entry + + #if defined(CONFIG_CPU_BMIPS5000) ++ mfc0 k0, CP0_PRID ++ li k1, PRID_IMP_BMIPS5000 ++ andi k0, 0xff00 ++ bne k0, k1, 1f ++ + /* if we're not on core 0, this must be the SMP boot signal */ + li k1, (3 << 25) + mfc0 k0, $22 + and k0, k1 + bnez k0, bmips_smp_entry +-#endif ++1: ++#endif /* CONFIG_CPU_BMIPS5000 */ + #endif /* CONFIG_SMP */ + + /* nope, it's just a regular NMI */ +@@ -141,7 +148,12 @@ bmips_smp_entry: + xori k0, 0x04 + mtc0 k0, CP0_CONFIG + ++ mfc0 k0, CP0_PRID ++ andi k0, 0xff00 + #if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) ++ li k1, PRID_IMP_BMIPS43XX ++ bne k0, k1, 2f ++ + /* initialize CPU1's local I-cache */ + li k0, 0x80000000 + li k1, 0x80010000 +@@ -152,14 +164,21 @@ bmips_smp_entry: + 1: cache Index_Store_Tag_I, 0(k0) + addiu k0, 16 + bne k0, k1, 1b +-#elif defined(CONFIG_CPU_BMIPS5000) ++ ++ b 3f ++2: ++#endif /* CONFIG_CPU_BMIPS4350 || CONFIG_CPU_BMIPS4380 */ ++#if defined(CONFIG_CPU_BMIPS5000) + /* set exception vector base */ ++ li k1, PRID_IMP_BMIPS5000 ++ bne k0, k1, 3f ++ + la k0, ebase + lw k0, 0(k0) + mtc0 k0, $15, 1 + BARRIER +-#endif +- ++#endif /* CONFIG_CPU_BMIPS5000 */ ++3: + /* jump back to kseg0 in case we need to remap the kseg1 area */ + la k0, 1f + jr k0 +@@ -225,8 +244,18 @@ END(bmips_smp_int_vec) + LEAF(bmips_enable_xks01) + + #if defined(CONFIG_XKS01) +- ++ mfc0 t0, CP0_PRID ++ andi t2, t0, 0xff00 + #if defined(CONFIG_CPU_BMIPS4380) ++ li t1, PRID_IMP_BMIPS43XX ++ bne t2, t1, 1f ++ ++ andi t0, 0xff ++ addiu t1, t0, -PRID_REV_BMIPS4380_HI ++ bgtz t1, 2f ++ addiu t0, -PRID_REV_BMIPS4380_LO ++ bltz t0, 2f ++ + mfc0 t0, $22, 3 + li t1, 0x1ff0 + li t2, (1 << 12) | (1 << 9) +@@ -235,7 +264,13 @@ LEAF(bmips_enable_xks01) + or t0, t2 + mtc0 t0, $22, 3 + BARRIER +-#elif defined(CONFIG_CPU_BMIPS5000) ++ b 2f ++1: ++#endif /* CONFIG_CPU_BMIPS4380 */ ++#if defined(CONFIG_CPU_BMIPS5000) ++ li t1, PRID_IMP_BMIPS5000 ++ bne t2, t1, 2f ++ + mfc0 t0, $22, 5 + li t1, 0x01ff + li t2, (1 << 8) | (1 << 5) +@@ -244,12 +279,8 @@ LEAF(bmips_enable_xks01) + or t0, t2 + mtc0 t0, $22, 5 + BARRIER +-#else +- +-#error Missing XKS01 setup +- +-#endif +- ++#endif /* CONFIG_CPU_BMIPS5000 */ ++2: + #endif /* defined(CONFIG_XKS01) */ + + jr ra +--- a/arch/mips/kernel/smp-bmips.c ++++ b/arch/mips/kernel/smp-bmips.c +@@ -49,8 +49,10 @@ cpumask_t bmips_booted_mask; + unsigned long bmips_smp_boot_sp; + unsigned long bmips_smp_boot_gp; + +-static void bmips_send_ipi_single(int cpu, unsigned int action); +-static irqreturn_t bmips_ipi_interrupt(int irq, void *dev_id); ++static void bmips43xx_send_ipi_single(int cpu, unsigned int action); ++static void bmips5000_send_ipi_single(int cpu, unsigned int action); ++static irqreturn_t bmips43xx_ipi_interrupt(int irq, void *dev_id); ++static irqreturn_t bmips5000_ipi_interrupt(int irq, void *dev_id); + + /* SW interrupts 0,1 are used for interprocessor signaling */ + #define IPI0_IRQ (MIPS_CPU_IRQ_BASE + 0) +@@ -64,49 +66,58 @@ static irqreturn_t bmips_ipi_interrupt(i + static void __init bmips_smp_setup(void) + { + int i, cpu = 1, boot_cpu = 0; +- +-#if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) + int cpu_hw_intr; + +- /* arbitration priority */ +- clear_c0_brcm_cmt_ctrl(0x30); +- +- /* NBK and weak order flags */ +- set_c0_brcm_config_0(0x30000); +- +- /* Find out if we are running on TP0 or TP1 */ +- boot_cpu = !!(read_c0_brcm_cmt_local() & (1 << 31)); +- +- /* +- * MIPS interrupts 0,1 (SW INT 0,1) cross over to the other thread +- * MIPS interrupt 2 (HW INT 0) is the CPU0 L1 controller output +- * MIPS interrupt 3 (HW INT 1) is the CPU1 L1 controller output +- */ +- if (boot_cpu == 0) +- cpu_hw_intr = 0x02; +- else +- cpu_hw_intr = 0x1d; +- +- change_c0_brcm_cmt_intr(0xf8018000, (cpu_hw_intr << 27) | (0x03 << 15)); +- +- /* single core, 2 threads (2 pipelines) */ +- max_cpus = 2; +-#elif defined(CONFIG_CPU_BMIPS5000) +- /* enable raceless SW interrupts */ +- set_c0_brcm_config(0x03 << 22); +- +- /* route HW interrupt 0 to CPU0, HW interrupt 1 to CPU1 */ +- change_c0_brcm_mode(0x1f << 27, 0x02 << 27); +- +- /* N cores, 2 threads per core */ +- max_cpus = (((read_c0_brcm_config() >> 6) & 0x03) + 1) << 1; ++ switch (current_cpu_type()) { ++ case CPU_BMIPS4350: ++ case CPU_BMIPS4380: ++ /* arbitration priority */ ++ clear_c0_brcm_cmt_ctrl(0x30); ++ ++ /* NBK and weak order flags */ ++ set_c0_brcm_config_0(0x30000); ++ ++ /* Find out if we are running on TP0 or TP1 */ ++ boot_cpu = !!(read_c0_brcm_cmt_local() & (1 << 31)); ++ ++ /* ++ * MIPS interrupts 0,1 (SW INT 0,1) cross over to the other ++ * thread ++ * MIPS interrupt 2 (HW INT 0) is the CPU0 L1 controller output ++ * MIPS interrupt 3 (HW INT 1) is the CPU1 L1 controller output ++ */ ++ if (boot_cpu == 0) ++ cpu_hw_intr = 0x02; ++ else ++ cpu_hw_intr = 0x1d; ++ ++ change_c0_brcm_cmt_intr(0xf8018000, ++ (cpu_hw_intr << 27) | (0x03 << 15)); ++ ++ /* single core, 2 threads (2 pipelines) */ ++ max_cpus = 2; ++ ++ break; ++ case CPU_BMIPS5000: ++ /* enable raceless SW interrupts */ ++ set_c0_brcm_config(0x03 << 22); ++ ++ /* route HW interrupt 0 to CPU0, HW interrupt 1 to CPU1 */ ++ change_c0_brcm_mode(0x1f << 27, 0x02 << 27); ++ ++ /* N cores, 2 threads per core */ ++ max_cpus = (((read_c0_brcm_config() >> 6) & 0x03) + 1) << 1; ++ ++ /* clear any pending SW interrupts */ ++ for (i = 0; i < max_cpus; i++) { ++ write_c0_brcm_action(ACTION_CLR_IPI(i, 0)); ++ write_c0_brcm_action(ACTION_CLR_IPI(i, 1)); ++ } + +- /* clear any pending SW interrupts */ +- for (i = 0; i < max_cpus; i++) { +- write_c0_brcm_action(ACTION_CLR_IPI(i, 0)); +- write_c0_brcm_action(ACTION_CLR_IPI(i, 1)); ++ break; ++ default: ++ max_cpus = 1; + } +-#endif + + if (!bmips_smp_enabled) + max_cpus = 1; +@@ -134,6 +145,20 @@ static void __init bmips_smp_setup(void) + */ + static void bmips_prepare_cpus(unsigned int max_cpus) + { ++ irqreturn_t (*bmips_ipi_interrupt)(int irq, void *dev_id); ++ ++ switch (current_cpu_type()) { ++ case CPU_BMIPS4350: ++ case CPU_BMIPS4380: ++ bmips_ipi_interrupt = bmips43xx_ipi_interrupt; ++ break; ++ case CPU_BMIPS5000: ++ bmips_ipi_interrupt = bmips5000_ipi_interrupt; ++ break; ++ default: ++ return; ++ } ++ + if (request_irq(IPI0_IRQ, bmips_ipi_interrupt, IRQF_PERCPU, + "smp_ipi0", NULL)) + panic("Can't request IPI0 interrupt\n"); +@@ -168,26 +193,39 @@ static void bmips_boot_secondary(int cpu + + pr_info("SMP: Booting CPU%d...\n", cpu); + +- if (cpumask_test_cpu(cpu, &bmips_booted_mask)) +- bmips_send_ipi_single(cpu, 0); ++ if (cpumask_test_cpu(cpu, &bmips_booted_mask)) { ++ switch (current_cpu_type()) { ++ case CPU_BMIPS4350: ++ case CPU_BMIPS4380: ++ bmips43xx_send_ipi_single(cpu, 0); ++ break; ++ case CPU_BMIPS5000: ++ bmips5000_send_ipi_single(cpu, 0); ++ break; ++ } ++ } + else { +-#if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) +- /* Reset slave TP1 if booting from TP0 */ +- if (cpu_logical_map(cpu) == 1) +- set_c0_brcm_cmt_ctrl(0x01); +-#elif defined(CONFIG_CPU_BMIPS5000) +- if (cpu & 0x01) +- write_c0_brcm_action(ACTION_BOOT_THREAD(cpu)); +- else { +- /* +- * core N thread 0 was already booted; just +- * pulse the NMI line +- */ +- bmips_write_zscm_reg(0x210, 0xc0000000); +- udelay(10); +- bmips_write_zscm_reg(0x210, 0x00); ++ switch (current_cpu_type()) { ++ case CPU_BMIPS4350: ++ case CPU_BMIPS4380: ++ /* Reset slave TP1 if booting from TP0 */ ++ if (cpu_logical_map(cpu) == 1) ++ set_c0_brcm_cmt_ctrl(0x01); ++ break; ++ case CPU_BMIPS5000: ++ if (cpu & 0x01) ++ write_c0_brcm_action(ACTION_BOOT_THREAD(cpu)); ++ else { ++ /* ++ * core N thread 0 was already booted; just ++ * pulse the NMI line ++ */ ++ bmips_write_zscm_reg(0x210, 0xc0000000); ++ udelay(10); ++ bmips_write_zscm_reg(0x210, 0x00); ++ } ++ break; + } +-#endif + cpumask_set_cpu(cpu, &bmips_booted_mask); + } + } +@@ -199,26 +237,32 @@ static void bmips_init_secondary(void) + { + /* move NMI vector to kseg0, in case XKS01 is enabled */ + +-#if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) +- void __iomem *cbr = BMIPS_GET_CBR(); ++ void __iomem *cbr; + unsigned long old_vec; + unsigned long relo_vector; + int boot_cpu; + +- boot_cpu = !!(read_c0_brcm_cmt_local() & (1 << 31)); +- relo_vector = boot_cpu ? BMIPS_RELO_VECTOR_CONTROL_0 : +- BMIPS_RELO_VECTOR_CONTROL_1; +- +- old_vec = __raw_readl(cbr + relo_vector); +- __raw_writel(old_vec & ~0x20000000, cbr + relo_vector); +- +- clear_c0_cause(smp_processor_id() ? C_SW1 : C_SW0); +-#elif defined(CONFIG_CPU_BMIPS5000) +- write_c0_brcm_bootvec(read_c0_brcm_bootvec() & +- (smp_processor_id() & 0x01 ? ~0x20000000 : ~0x2000)); ++ switch (current_cpu_type()) { ++ case CPU_BMIPS4350: ++ case CPU_BMIPS4380: ++ cbr = BMIPS_GET_CBR(); ++ ++ boot_cpu = !!(read_c0_brcm_cmt_local() & (1 << 31)); ++ relo_vector = boot_cpu ? BMIPS_RELO_VECTOR_CONTROL_0 : ++ BMIPS_RELO_VECTOR_CONTROL_1; ++ ++ old_vec = __raw_readl(cbr + relo_vector); ++ __raw_writel(old_vec & ~0x20000000, cbr + relo_vector); ++ ++ clear_c0_cause(smp_processor_id() ? C_SW1 : C_SW0); ++ break; ++ case CPU_BMIPS5000: ++ write_c0_brcm_bootvec(read_c0_brcm_bootvec() & ++ (smp_processor_id() & 0x01 ? ~0x20000000 : ~0x2000)); + +- write_c0_brcm_action(ACTION_CLR_IPI(smp_processor_id(), 0)); +-#endif ++ write_c0_brcm_action(ACTION_CLR_IPI(smp_processor_id(), 0)); ++ break; ++ } + } + + /* +@@ -243,8 +287,6 @@ static void bmips_cpus_done(void) + { + } + +-#if defined(CONFIG_CPU_BMIPS5000) +- + /* + * BMIPS5000 raceless IPIs + * +@@ -253,12 +295,12 @@ static void bmips_cpus_done(void) + * IPI1 is used for SMP_CALL_FUNCTION + */ + +-static void bmips_send_ipi_single(int cpu, unsigned int action) ++static void bmips5000_send_ipi_single(int cpu, unsigned int action) + { + write_c0_brcm_action(ACTION_SET_IPI(cpu, action == SMP_CALL_FUNCTION)); + } + +-static irqreturn_t bmips_ipi_interrupt(int irq, void *dev_id) ++static irqreturn_t bmips5000_ipi_interrupt(int irq, void *dev_id) + { + int action = irq - IPI0_IRQ; + +@@ -272,7 +314,14 @@ static irqreturn_t bmips_ipi_interrupt(i + return IRQ_HANDLED; + } + +-#else ++static void bmips5000_send_ipi_mask(const struct cpumask *mask, ++ unsigned int action) ++{ ++ unsigned int i; ++ ++ for_each_cpu(i, mask) ++ bmips5000_send_ipi_single(i, action); ++} + + /* + * BMIPS43xx racey IPIs +@@ -287,7 +336,7 @@ static irqreturn_t bmips_ipi_interrupt(i + static DEFINE_SPINLOCK(ipi_lock); + static DEFINE_PER_CPU(int, ipi_action_mask); + +-static void bmips_send_ipi_single(int cpu, unsigned int action) ++static void bmips43xx_send_ipi_single(int cpu, unsigned int action) + { + unsigned long flags; + +@@ -298,7 +347,7 @@ static void bmips_send_ipi_single(int cp + spin_unlock_irqrestore(&ipi_lock, flags); + } + +-static irqreturn_t bmips_ipi_interrupt(int irq, void *dev_id) ++static irqreturn_t bmips43xx_ipi_interrupt(int irq, void *dev_id) + { + unsigned long flags; + int action, cpu = irq - IPI0_IRQ; +@@ -317,15 +366,13 @@ static irqreturn_t bmips_ipi_interrupt(i + return IRQ_HANDLED; + } + +-#endif /* BMIPS type */ +- +-static void bmips_send_ipi_mask(const struct cpumask *mask, ++static void bmips43xx_send_ipi_mask(const struct cpumask *mask, + unsigned int action) + { + unsigned int i; + + for_each_cpu(i, mask) +- bmips_send_ipi_single(i, action); ++ bmips43xx_send_ipi_single(i, action); + } + + #ifdef CONFIG_HOTPLUG_CPU +@@ -381,15 +428,30 @@ void __ref play_dead(void) + + #endif /* CONFIG_HOTPLUG_CPU */ + +-struct plat_smp_ops bmips_smp_ops = { ++struct plat_smp_ops bmips43xx_smp_ops = { ++ .smp_setup = bmips_smp_setup, ++ .prepare_cpus = bmips_prepare_cpus, ++ .boot_secondary = bmips_boot_secondary, ++ .smp_finish = bmips_smp_finish, ++ .init_secondary = bmips_init_secondary, ++ .cpus_done = bmips_cpus_done, ++ .send_ipi_single = bmips43xx_send_ipi_single, ++ .send_ipi_mask = bmips43xx_send_ipi_mask, ++#ifdef CONFIG_HOTPLUG_CPU ++ .cpu_disable = bmips_cpu_disable, ++ .cpu_die = bmips_cpu_die, ++#endif ++}; ++ ++struct plat_smp_ops bmips5000_smp_ops = { + .smp_setup = bmips_smp_setup, + .prepare_cpus = bmips_prepare_cpus, + .boot_secondary = bmips_boot_secondary, + .smp_finish = bmips_smp_finish, + .init_secondary = bmips_init_secondary, + .cpus_done = bmips_cpus_done, +- .send_ipi_single = bmips_send_ipi_single, +- .send_ipi_mask = bmips_send_ipi_mask, ++ .send_ipi_single = bmips5000_send_ipi_single, ++ .send_ipi_mask = bmips5000_send_ipi_mask, + #ifdef CONFIG_HOTPLUG_CPU + .cpu_disable = bmips_cpu_disable, + .cpu_die = bmips_cpu_die, +@@ -427,43 +489,47 @@ void __cpuinit bmips_ebase_setup(void) + + BUG_ON(ebase != CKSEG0); + +-#if defined(CONFIG_CPU_BMIPS4350) +- /* +- * BMIPS4350 cannot relocate the normal vectors, but it +- * can relocate the BEV=1 vectors. So CPU1 starts up at +- * the relocated BEV=1, IV=0 general exception vector @ +- * 0xa000_0380. +- * +- * set_uncached_handler() is used here because: +- * - CPU1 will run this from uncached space +- * - None of the cacheflush functions are set up yet +- */ +- set_uncached_handler(BMIPS_WARM_RESTART_VEC - CKSEG0, +- &bmips_smp_int_vec, 0x80); +- __sync(); +- return; +-#elif defined(CONFIG_CPU_BMIPS4380) +- /* +- * 0x8000_0000: reset/NMI (initially in kseg1) +- * 0x8000_0400: normal vectors +- */ +- new_ebase = 0x80000400; +- cbr = BMIPS_GET_CBR(); +- __raw_writel(0x80080800, cbr + BMIPS_RELO_VECTOR_CONTROL_0); +- __raw_writel(0xa0080800, cbr + BMIPS_RELO_VECTOR_CONTROL_1); +-#elif defined(CONFIG_CPU_BMIPS5000) +- /* +- * 0x8000_0000: reset/NMI (initially in kseg1) +- * 0x8000_1000: normal vectors +- */ +- new_ebase = 0x80001000; +- write_c0_brcm_bootvec(0xa0088008); +- write_c0_ebase(new_ebase); +- if (max_cpus > 2) +- bmips_write_zscm_reg(0xa0, 0xa008a008); +-#else +- return; +-#endif ++ switch (current_cpu_type()) { ++ case CPU_BMIPS4350: ++ /* ++ * BMIPS4350 cannot relocate the normal vectors, but it ++ * can relocate the BEV=1 vectors. So CPU1 starts up at ++ * the relocated BEV=1, IV=0 general exception vector @ ++ * 0xa000_0380. ++ * ++ * set_uncached_handler() is used here because: ++ * - CPU1 will run this from uncached space ++ * - None of the cacheflush functions are set up yet ++ */ ++ set_uncached_handler(BMIPS_WARM_RESTART_VEC - CKSEG0, ++ &bmips_smp_int_vec, 0x80); ++ __sync(); ++ return; ++ case CPU_BMIPS4380: ++ /* ++ * 0x8000_0000: reset/NMI (initially in kseg1) ++ * 0x8000_0400: normal vectors ++ */ ++ new_ebase = 0x80000400; ++ cbr = BMIPS_GET_CBR(); ++ __raw_writel(0x80080800, cbr + BMIPS_RELO_VECTOR_CONTROL_0); ++ __raw_writel(0xa0080800, cbr + BMIPS_RELO_VECTOR_CONTROL_1); ++ break; ++ case CPU_BMIPS5000: ++ /* ++ * 0x8000_0000: reset/NMI (initially in kseg1) ++ * 0x8000_1000: normal vectors ++ */ ++ new_ebase = 0x80001000; ++ write_c0_brcm_bootvec(0xa0088008); ++ write_c0_ebase(new_ebase); ++ if (max_cpus > 2) ++ bmips_write_zscm_reg(0xa0, 0xa008a008); ++ break; ++ default: ++ return; ++ } ++ + board_nmi_handler_setup = &bmips_nmi_handler_setup; + ebase = new_ebase; + } diff --git a/target/linux/brcm63xx/patches-3.10/063-MIPS-BMIPS-merge-CPU-options-into-one-option.patch b/target/linux/brcm63xx/patches-3.10/063-MIPS-BMIPS-merge-CPU-options-into-one-option.patch new file mode 100644 index 0000000000..136b773979 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/063-MIPS-BMIPS-merge-CPU-options-into-one-option.patch @@ -0,0 +1,137 @@ +From 81d6f5e024884ce904b7bd36fec60291d751df48 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Thu, 27 Jun 2013 23:57:20 +0200 +Subject: [PATCH V2 04/13] MIPS: BMIPS: merge CPU options into one option + +Instead of treating each flavour as an exclusive CPU to select, make +BMIPS the only option and let SYS_HAS_CPU_BMIPS* decide for which +flavours to include support. + +Run tested on BMIPS3300 and BMIPS4350, only build tested for BMIPS4380 +and BMIPS5000. + +Signed-off-by: Jonas Gorski +--- +V1 -> V2: + * Let the SYS_HAS_CPU_BMIPS* symbols select SYS_HAS_CPU_BMIPS instead of + requiring users to select it + + arch/mips/Kconfig | 80 +++++++++++++++++++++++++++---------------------------- + 1 file changed, 39 insertions(+), 41 deletions(-) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -1453,41 +1453,21 @@ config CPU_CAVIUM_OCTEON + can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. + Full details can be found at http://www.caviumnetworks.com. + +-config CPU_BMIPS3300 +- bool "BMIPS3300" +- depends on SYS_HAS_CPU_BMIPS3300 +- select CPU_BMIPS +- help +- Broadcom BMIPS3300 processors. +- +-config CPU_BMIPS4350 +- bool "BMIPS4350" +- depends on SYS_HAS_CPU_BMIPS4350 +- select CPU_BMIPS +- select SYS_SUPPORTS_SMP +- select SYS_SUPPORTS_HOTPLUG_CPU +- help +- Broadcom BMIPS4350 ("VIPER") processors. +- +-config CPU_BMIPS4380 +- bool "BMIPS4380" +- depends on SYS_HAS_CPU_BMIPS4380 +- select CPU_BMIPS +- select SYS_SUPPORTS_SMP +- select SYS_SUPPORTS_HOTPLUG_CPU +- help +- Broadcom BMIPS4380 processors. +- +-config CPU_BMIPS5000 +- bool "BMIPS5000" +- depends on SYS_HAS_CPU_BMIPS5000 +- select CPU_BMIPS +- select CPU_SUPPORTS_HIGHMEM +- select MIPS_CPU_SCACHE +- select SYS_SUPPORTS_SMP +- select SYS_SUPPORTS_HOTPLUG_CPU ++config CPU_BMIPS ++ bool "Broadcom BMIPS" ++ depends on SYS_HAS_CPU_BMIPS ++ select CPU_MIPS32 ++ select CPU_BMIPS3300 if SYS_HAS_CPU_BMIPS3300 ++ select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 ++ select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 ++ select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 ++ select CPU_SUPPORTS_32BIT_KERNEL ++ select DMA_NONCOHERENT ++ select IRQ_CPU ++ select SWAP_IO_SPACE ++ select WEAK_ORDERING + help +- Broadcom BMIPS5000 processors. ++ Support for BMIPS3300/4350/4380 and BMIPS5000 processors. + + config CPU_XLR + bool "Netlogic XLR SoC" +@@ -1568,14 +1548,25 @@ config CPU_LOONGSON1 + select CPU_SUPPORTS_32BIT_KERNEL + select CPU_SUPPORTS_HIGHMEM + +-config CPU_BMIPS ++config CPU_BMIPS3300 + bool +- select CPU_MIPS32 +- select CPU_SUPPORTS_32BIT_KERNEL +- select DMA_NONCOHERENT +- select IRQ_CPU +- select SWAP_IO_SPACE +- select WEAK_ORDERING ++ ++config CPU_BMIPS4350 ++ bool ++ select SYS_SUPPORTS_SMP ++ select SYS_SUPPORTS_HOTPLUG_CPU ++ ++config CPU_BMIPS4380 ++ bool ++ select SYS_SUPPORTS_SMP ++ select SYS_SUPPORTS_HOTPLUG_CPU ++ ++config CPU_BMIPS5000 ++ bool ++ select CPU_SUPPORTS_HIGHMEM ++ select MIPS_CPU_SCACHE ++ select SYS_SUPPORTS_SMP ++ select SYS_SUPPORTS_HOTPLUG_CPU + + config SYS_HAS_CPU_LOONGSON2E + bool +@@ -1649,17 +1640,24 @@ config SYS_HAS_CPU_SB1 + config SYS_HAS_CPU_CAVIUM_OCTEON + bool + ++config SYS_HAS_CPU_BMIPS ++ bool ++ + config SYS_HAS_CPU_BMIPS3300 + bool ++ select SYS_HAS_CPU_BMIPS + + config SYS_HAS_CPU_BMIPS4350 + bool ++ select SYS_HAS_CPU_BMIPS + + config SYS_HAS_CPU_BMIPS4380 + bool ++ select SYS_HAS_CPU_BMIPS + + config SYS_HAS_CPU_BMIPS5000 + bool ++ select SYS_HAS_CPU_BMIPS + + config SYS_HAS_CPU_XLR + bool diff --git a/target/linux/brcm63xx/patches-3.10/064-MIPS-BMIPS-select-CPU_SUPPORTS_HIGHMEM.patch b/target/linux/brcm63xx/patches-3.10/064-MIPS-BMIPS-select-CPU_SUPPORTS_HIGHMEM.patch new file mode 100644 index 0000000000..f10d544e96 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/064-MIPS-BMIPS-select-CPU_SUPPORTS_HIGHMEM.patch @@ -0,0 +1,30 @@ +From 89d4a38dde99a6b141e90860fca594a9ac66336b Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Tue, 16 Jul 2013 14:02:57 +0200 +Subject: [PATCH V2 05/13] MIPS: BMIPS: select CPU_SUPPORTS_HIGHMEM + +All BMIPS CPUs support HIGHMEM, so it should be selected by CPU_BMIPS. + +Signed-off-by: Jonas Gorski +--- + arch/mips/Kconfig | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -1466,6 +1466,7 @@ config CPU_BMIPS + select IRQ_CPU + select SWAP_IO_SPACE + select WEAK_ORDERING ++ select CPU_SUPPORTS_HIGHMEM + help + Support for BMIPS3300/4350/4380 and BMIPS5000 processors. + +@@ -1563,7 +1564,6 @@ config CPU_BMIPS4380 + + config CPU_BMIPS5000 + bool +- select CPU_SUPPORTS_HIGHMEM + select MIPS_CPU_SCACHE + select SYS_SUPPORTS_SMP + select SYS_SUPPORTS_HOTPLUG_CPU diff --git a/target/linux/brcm63xx/patches-3.10/065-MIPS-BMIPS-select-CPU_HAS_PREFETCH.patch b/target/linux/brcm63xx/patches-3.10/065-MIPS-BMIPS-select-CPU_HAS_PREFETCH.patch new file mode 100644 index 0000000000..c5c8ecf5e7 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/065-MIPS-BMIPS-select-CPU_HAS_PREFETCH.patch @@ -0,0 +1,22 @@ +From 58827e709eb7a2e0899260893a5c9c58eb0c5db1 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Tue, 16 Jul 2013 14:04:40 +0200 +Subject: [PATCH V2 06/13] MIPS: BMIPS: select CPU_HAS_PREFETCH + +As they are MIPS32 CPUs they do support the prefetch opcode. + +Signed-off-by: Jonas Gorski +--- + arch/mips/Kconfig | 1 + + 1 file changed, 1 insertion(+) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -1467,6 +1467,7 @@ config CPU_BMIPS + select SWAP_IO_SPACE + select WEAK_ORDERING + select CPU_SUPPORTS_HIGHMEM ++ select CPU_HAS_PREFETCH + help + Support for BMIPS3300/4350/4380 and BMIPS5000 processors. + diff --git a/target/linux/brcm63xx/patches-3.10/066-MIPS-BMIPS-extend-BMIPS3300-to-include-BMIPS32.patch b/target/linux/brcm63xx/patches-3.10/066-MIPS-BMIPS-extend-BMIPS3300-to-include-BMIPS32.patch new file mode 100644 index 0000000000..6cdb14a511 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/066-MIPS-BMIPS-extend-BMIPS3300-to-include-BMIPS32.patch @@ -0,0 +1,52 @@ +From e742d5b77ec18926293ec5d101470522f67ee159 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Thu, 15 Aug 2013 12:10:11 +0200 +Subject: [PATCH V2 07/13] MIPS: BMIPS: extend BMIPS3300 to include BMIPS32 + +Codewise there is no difference between these two, so it does not make +sense to treat them differently. Also chip families having one of these +tend to have the other. + +Signed-off-by: Jonas Gorski +--- + arch/mips/Kconfig | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -1457,7 +1457,7 @@ config CPU_BMIPS + bool "Broadcom BMIPS" + depends on SYS_HAS_CPU_BMIPS + select CPU_MIPS32 +- select CPU_BMIPS3300 if SYS_HAS_CPU_BMIPS3300 ++ select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 + select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 + select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 + select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 +@@ -1469,7 +1469,7 @@ config CPU_BMIPS + select CPU_SUPPORTS_HIGHMEM + select CPU_HAS_PREFETCH + help +- Support for BMIPS3300/4350/4380 and BMIPS5000 processors. ++ Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. + + config CPU_XLR + bool "Netlogic XLR SoC" +@@ -1550,7 +1550,7 @@ config CPU_LOONGSON1 + select CPU_SUPPORTS_32BIT_KERNEL + select CPU_SUPPORTS_HIGHMEM + +-config CPU_BMIPS3300 ++config CPU_BMIPS32_3300 + bool + + config CPU_BMIPS4350 +@@ -1644,7 +1644,7 @@ config SYS_HAS_CPU_CAVIUM_OCTEON + config SYS_HAS_CPU_BMIPS + bool + +-config SYS_HAS_CPU_BMIPS3300 ++config SYS_HAS_CPU_BMIPS32_3300 + bool + select SYS_HAS_CPU_BMIPS + diff --git a/target/linux/brcm63xx/patches-3.10/067-MIPS-BMIPS-add-a-smp-ops-registration-helper.patch b/target/linux/brcm63xx/patches-3.10/067-MIPS-BMIPS-add-a-smp-ops-registration-helper.patch new file mode 100644 index 0000000000..2d4f5cd9fe --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/067-MIPS-BMIPS-add-a-smp-ops-registration-helper.patch @@ -0,0 +1,77 @@ +From 0b135a3e8f344061ed0aa66e2514627dd7aa946f Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Sun, 23 Jun 2013 14:04:51 +0200 +Subject: [PATCH V2 08/13] MIPS: BMIPS: add a smp ops registration helper + +Add a helper similar to the generic register_XXX_smp_ops() for bmips. +Register SMP UP ops in case of BMIPS32/3300. + +Signed-off-by: Jonas Gorski +--- +V1 -> V2: + * use SMP_UP (ops) in case of BMIPS32_3300 + + arch/mips/Kconfig | 1 + + arch/mips/bcm63xx/prom.c | 2 +- + arch/mips/include/asm/bmips.h | 26 ++++++++++++++++++++++++++ + 3 files changed, 28 insertions(+), 1 deletion(-) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -1551,6 +1551,7 @@ config CPU_LOONGSON1 + select CPU_SUPPORTS_HIGHMEM + + config CPU_BMIPS32_3300 ++ select SMP_UP if SMP + bool + + config CPU_BMIPS4350 +--- a/arch/mips/bcm63xx/prom.c ++++ b/arch/mips/bcm63xx/prom.c +@@ -61,7 +61,7 @@ void __init prom_init(void) + + if (IS_ENABLED(CONFIG_CPU_BMIPS4350) && IS_ENABLED(CONFIG_SMP)) { + /* set up SMP */ +- register_smp_ops(&bmips43xx_smp_ops); ++ register_bmips_smp_ops(); + + /* + * BCM6328 might not have its second CPU enabled, while BCM3368 +--- a/arch/mips/include/asm/bmips.h ++++ b/arch/mips/include/asm/bmips.h +@@ -46,9 +46,35 @@ + + #include + #include ++#include + + extern struct plat_smp_ops bmips43xx_smp_ops; + extern struct plat_smp_ops bmips5000_smp_ops; ++ ++static inline int register_bmips_smp_ops(void) ++{ ++#if IS_ENABLED(CONFIG_CPU_BMIPS) && IS_ENABLED(CONFIG_SMP) ++ switch (current_cpu_type()) { ++ case CPU_BMIPS32: ++ case CPU_BMIPS3300: ++ return register_up_smp_ops(); ++ case CPU_BMIPS4350: ++ case CPU_BMIPS4380: ++ register_smp_ops(&bmips43xx_smp_ops); ++ break; ++ case CPU_BMIPS5000: ++ register_smp_ops(&bmips5000_smp_ops); ++ break; ++ default: ++ return -ENODEV; ++ } ++ ++ return 0; ++#else ++ return -ENODEV; ++#endif ++} ++ + extern char bmips_reset_nmi_vec; + extern char bmips_reset_nmi_vec_end; + extern char bmips_smp_movevec; diff --git a/target/linux/brcm63xx/patches-3.10/068-MIPS-BCM63XX-always-register-bmips-smp-ops.patch b/target/linux/brcm63xx/patches-3.10/068-MIPS-BCM63XX-always-register-bmips-smp-ops.patch new file mode 100644 index 0000000000..659018505e --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/068-MIPS-BCM63XX-always-register-bmips-smp-ops.patch @@ -0,0 +1,27 @@ +From 08181bee8ee375225129d086656c567022becf41 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Fri, 28 Jun 2013 00:08:16 +0200 +Subject: [PATCH V2 09/13] MIPS: BCM63XX: always register bmips smp ops + +Use the return value for guarding further SMP setup. + +Signed-off-by: Jonas Gorski +--- + arch/mips/bcm63xx/prom.c | 6 ++---- + 1 file changed, 2 insertions(+), 4 deletions(-) + +--- a/arch/mips/bcm63xx/prom.c ++++ b/arch/mips/bcm63xx/prom.c +@@ -59,10 +59,8 @@ void __init prom_init(void) + /* do low level board init */ + board_prom_init(); + +- if (IS_ENABLED(CONFIG_CPU_BMIPS4350) && IS_ENABLED(CONFIG_SMP)) { +- /* set up SMP */ +- register_bmips_smp_ops(); +- ++ /* set up SMP */ ++ if (!register_bmips_smp_ops()) { + /* + * BCM6328 might not have its second CPU enabled, while BCM3368 + * and BCM6358 need special handling for their shared TLB, so diff --git a/target/linux/brcm63xx/patches-3.10/069-MIPS-BCM63XX-let-the-individual-SoCs-select-the-appr.patch b/target/linux/brcm63xx/patches-3.10/069-MIPS-BCM63XX-let-the-individual-SoCs-select-the-appr.patch new file mode 100644 index 0000000000..3ce160e4f2 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/069-MIPS-BCM63XX-let-the-individual-SoCs-select-the-appr.patch @@ -0,0 +1,70 @@ +From 949b88531a779af4f6456ff43d3de2d4f74e44ee Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Sun, 23 Jun 2013 12:25:49 +0200 +Subject: [PATCH V2 10/13] MIPS: BCM63XX: let the individual SoCs select the + appropriate CPUs + +Let each supported chip select the appropirate SYS_HAS_CPU_BMIPS* +option for its embedded processor, so support will be conditionally +included. + +Signed-off-by: Jonas Gorski +--- + arch/mips/Kconfig | 1 - + arch/mips/bcm63xx/Kconfig | 8 ++++++++ + 2 files changed, 8 insertions(+), 1 deletion(-) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -130,7 +130,6 @@ config BCM63XX + select DMA_NONCOHERENT + select IRQ_CPU + select SYS_HAS_CPU_MIPS32_R1 +- select SYS_HAS_CPU_BMIPS4350 if !BCM63XX_CPU_6338 && !BCM63XX_CPU_6345 && !BCM63XX_CPU_6348 + select NR_CPUS_DEFAULT_2 + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_BIG_ENDIAN +--- a/arch/mips/bcm63xx/Kconfig ++++ b/arch/mips/bcm63xx/Kconfig +@@ -3,33 +3,41 @@ menu "CPU support" + + config BCM63XX_CPU_3368 + bool "support 3368 CPU" ++ select SYS_HAS_CPU_BMIPS4350 + select HW_HAS_PCI + + config BCM63XX_CPU_6328 + bool "support 6328 CPU" ++ select SYS_HAS_CPU_BMIPS4350 + select HW_HAS_PCI + + config BCM63XX_CPU_6338 + bool "support 6338 CPU" ++ select SYS_HAS_CPU_BMIPS32_3300 + select HW_HAS_PCI + + config BCM63XX_CPU_6345 + bool "support 6345 CPU" ++ select SYS_HAS_CPU_BMIPS32_3300 + + config BCM63XX_CPU_6348 + bool "support 6348 CPU" ++ select SYS_HAS_CPU_BMIPS32_3300 + select HW_HAS_PCI + + config BCM63XX_CPU_6358 + bool "support 6358 CPU" ++ select SYS_HAS_CPU_BMIPS4350 + select HW_HAS_PCI + + config BCM63XX_CPU_6362 + bool "support 6362 CPU" ++ select SYS_HAS_CPU_BMIPS4350 + select HW_HAS_PCI + + config BCM63XX_CPU_6368 + bool "support 6368 CPU" ++ select SYS_HAS_CPU_BMIPS4350 + select HW_HAS_PCI + endmenu + diff --git a/target/linux/brcm63xx/patches-3.10/071-MIPS-BCM63XX-drop-SYS_HAS_CPU_MIPS32R1.patch b/target/linux/brcm63xx/patches-3.10/071-MIPS-BCM63XX-drop-SYS_HAS_CPU_MIPS32R1.patch new file mode 100644 index 0000000000..26a0ada3d6 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/071-MIPS-BCM63XX-drop-SYS_HAS_CPU_MIPS32R1.patch @@ -0,0 +1,24 @@ +From c6c4897703d825c9efea6d9a708aaa080c8c3177 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Thu, 17 Oct 2013 13:16:08 +0200 +Subject: [PATCH V2 13/13] MIPS: BCM63XX: drop SYS_HAS_CPU_MIPS32R1 + +All MIPS cores on BCM63XX identify as Broadcom, not MIPS, so no need +to support non-broadcom MIPS CPUs. This also ensures that CPU_BMIPS +is always selected. + +Signed-off-by: Jonas Gorski +--- + arch/mips/Kconfig | 1 - + 1 file changed, 1 deletion(-) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -129,7 +129,6 @@ config BCM63XX + select CSRC_R4K + select DMA_NONCOHERENT + select IRQ_CPU +- select SYS_HAS_CPU_MIPS32_R1 + select NR_CPUS_DEFAULT_2 + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_BIG_ENDIAN diff --git a/target/linux/brcm63xx/patches-3.10/100-MIPS-bmips-fix-compilation-for-BMIPS5000.patch b/target/linux/brcm63xx/patches-3.10/100-MIPS-bmips-fix-compilation-for-BMIPS5000.patch index 6f4763420b..3eae0fcd1d 100644 --- a/target/linux/brcm63xx/patches-3.10/100-MIPS-bmips-fix-compilation-for-BMIPS5000.patch +++ b/target/linux/brcm63xx/patches-3.10/100-MIPS-bmips-fix-compilation-for-BMIPS5000.patch @@ -21,7 +21,7 @@ Signed-off-by: Jonas Gorski --- a/arch/mips/include/asm/bmips.h +++ b/arch/mips/include/asm/bmips.h -@@ -70,15 +70,15 @@ static inline unsigned long bmips_read_z +@@ -97,15 +97,15 @@ static inline unsigned long bmips_read_z ".set noreorder\n" "cache %1, 0(%2)\n" "sync\n" @@ -45,7 +45,7 @@ Signed-off-by: Jonas Gorski ".set pop\n" : "=&r" (ret) : "i" (Index_Load_Tag_S), "r" (ZSCM_REG_BASE + offset) -@@ -92,13 +92,13 @@ static inline void bmips_write_zscm_reg( +@@ -119,13 +119,13 @@ static inline void bmips_write_zscm_reg( ".set push\n" ".set noreorder\n" "mtc0 %0, $28, 3\n" diff --git a/target/linux/brcm63xx/patches-3.10/101-MIPS-allow-asm-cpu.h-to-be-included-from-assembly.patch b/target/linux/brcm63xx/patches-3.10/101-MIPS-allow-asm-cpu.h-to-be-included-from-assembly.patch deleted file mode 100644 index 27c3b9eea5..0000000000 --- a/target/linux/brcm63xx/patches-3.10/101-MIPS-allow-asm-cpu.h-to-be-included-from-assembly.patch +++ /dev/null @@ -1,31 +0,0 @@ -From 520f4bf75026cc60ba47946331966fb670b39cb0 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Thu, 27 Jun 2013 21:32:41 +0200 -Subject: [PATCH 02/10] MIPS: allow asm/cpu.h to be included from assembly - -Add guards around the enum to allow including cpu.h from assembly. - -Signed-off-by: Jonas Gorski ---- - arch/mips/include/asm/cpu.h | 3 +++ - 1 file changed, 3 insertions(+) - ---- a/arch/mips/include/asm/cpu.h -+++ b/arch/mips/include/asm/cpu.h -@@ -225,6 +225,8 @@ - - #define FPIR_IMP_NONE 0x0000 - -+#if !defined(__ASSEMBLY__) -+ - enum cpu_type_enum { - CPU_UNKNOWN, - -@@ -277,6 +279,7 @@ enum cpu_type_enum { - CPU_LAST - }; - -+#endif /* !__ASSEMBLY */ - - /* - * ISA Level encodings diff --git a/target/linux/brcm63xx/patches-3.10/102-MIPS-bmips-add-macros-for-testing-the-current-bmips-.patch b/target/linux/brcm63xx/patches-3.10/102-MIPS-bmips-add-macros-for-testing-the-current-bmips-.patch deleted file mode 100644 index af38b35689..0000000000 --- a/target/linux/brcm63xx/patches-3.10/102-MIPS-bmips-add-macros-for-testing-the-current-bmips-.patch +++ /dev/null @@ -1,36 +0,0 @@ -From 971b8b3d5101b3bb868e63f3eb96fe69b7110c61 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Thu, 27 Jun 2013 12:40:15 +0200 -Subject: [PATCH 03/10] MIPS: bmips: add macros for testing the current bmips - CPU - -Makes it easy to make code conditionally compiled for supported CPUs -without directly relying on #ifdefs. - -Signed-off-by: Jonas Gorski ---- - arch/mips/include/asm/bmips.h | 11 +++++++++++ - 1 file changed, 11 insertions(+) - ---- a/arch/mips/include/asm/bmips.h -+++ b/arch/mips/include/asm/bmips.h -@@ -45,8 +45,19 @@ - #if !defined(__ASSEMBLY__) - - #include -+#include - #include - -+#define cpu_is_bmips32() (current_cpu_type() == CPU_BMIPS32) -+#define cpu_is_bmips3300() (IS_ENABLED(CONFIG_CPU_BMIPS3300) && \ -+ current_cpu_type() == CPU_BMIPS3300) -+#define cpu_is_bmips4350() (IS_ENABLED(CONFIG_CPU_BMIPS4350) && \ -+ current_cpu_type() == CPU_BMIPS4350) -+#define cpu_is_bmips4380() (IS_ENABLED(CONFIG_CPU_BMIPS4380) && \ -+ current_cpu_type() == CPU_BMIPS4380) -+#define cpu_is_bmips5000() (IS_ENABLED(CONFIG_CPU_BMIPS5000) && \ -+ current_cpu_type() == CPU_BMIPS5000) -+ - extern struct plat_smp_ops bmips_smp_ops; - extern char bmips_reset_nmi_vec; - extern char bmips_reset_nmi_vec_end; diff --git a/target/linux/brcm63xx/patches-3.10/103-MIPS-bmips-change-compile-time-checks-to-runtime-che.patch b/target/linux/brcm63xx/patches-3.10/103-MIPS-bmips-change-compile-time-checks-to-runtime-che.patch deleted file mode 100644 index d55189529e..0000000000 --- a/target/linux/brcm63xx/patches-3.10/103-MIPS-bmips-change-compile-time-checks-to-runtime-che.patch +++ /dev/null @@ -1,482 +0,0 @@ -From 12594762fcbec024cb424c9b77efb28402651667 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Thu, 27 Jun 2013 21:33:56 +0200 -Subject: [PATCH 04/10] MIPS: bmips: change compile time checks to runtime - checks - -Allow building for all bmips cpus at the same time by changing ifdefs -to checks for the cpu type, or adding appropriate checks to the -assembly. - -Signed-off-by: Jonas Gorski ---- - arch/mips/kernel/bmips_vec.S | 55 +++++++--- - arch/mips/kernel/smp-bmips.c | 241 ++++++++++++++++++++++-------------------- - 2 files changed, 172 insertions(+), 124 deletions(-) - ---- a/arch/mips/kernel/bmips_vec.S -+++ b/arch/mips/kernel/bmips_vec.S -@@ -13,6 +13,7 @@ - #include - #include - #include -+#include - #include - #include - #include -@@ -89,12 +90,18 @@ NESTED(bmips_reset_nmi_vec, PT_SIZE, sp) - beqz k0, bmips_smp_entry - - #if defined(CONFIG_CPU_BMIPS5000) -+ mfc0 k0, CP0_PRID -+ li k1, PRID_IMP_BMIPS5000 -+ andi k0, 0xff00 -+ bne k0, k1, 1f -+ - /* if we're not on core 0, this must be the SMP boot signal */ - li k1, (3 << 25) - mfc0 k0, $22 - and k0, k1 - bnez k0, bmips_smp_entry --#endif -+1: -+#endif /* CONFIG_CPU_BMIPS5000 */ - #endif /* CONFIG_SMP */ - - /* nope, it's just a regular NMI */ -@@ -137,7 +144,12 @@ bmips_smp_entry: - xori k0, 0x04 - mtc0 k0, CP0_CONFIG - -+ mfc0 k0, CP0_PRID -+ andi k0, 0xff00 - #if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) -+ li k1, PRID_IMP_BMIPS43XX -+ bne k0, k1, 2f -+ - /* initialize CPU1's local I-cache */ - li k0, 0x80000000 - li k1, 0x80010000 -@@ -148,14 +160,21 @@ bmips_smp_entry: - 1: cache Index_Store_Tag_I, 0(k0) - addiu k0, 16 - bne k0, k1, 1b --#elif defined(CONFIG_CPU_BMIPS5000) -+ -+ b 3f -+2: -+#endif /* CONFIG_CPU_BMIPS4350 || CONFIG_CPU_BMIPS4380 */ -+#if defined(CONFIG_CPU_BMIPS5000) - /* set exception vector base */ -+ li k1, PRID_IMP_BMIPS5000 -+ bne k0, k1, 3f -+ - la k0, ebase - lw k0, 0(k0) - mtc0 k0, $15, 1 - BARRIER --#endif -- -+#endif /* CONFIG_CPU_BMIPS5000 */ -+3: - /* jump back to kseg0 in case we need to remap the kseg1 area */ - la k0, 1f - jr k0 -@@ -221,8 +240,18 @@ END(bmips_smp_int_vec) - LEAF(bmips_enable_xks01) - - #if defined(CONFIG_XKS01) -- -+ mfc0 t0, CP0_PRID -+ andi t2, t0, 0xff00 - #if defined(CONFIG_CPU_BMIPS4380) -+ li t1, PRID_IMP_BMIPS43XX -+ bne t2, t1, 1f -+ -+ andi t0, 0xff -+ addiu t1, t0, -PRID_REV_BMIPS4380_HI -+ bgtz t1, 2f -+ addiu t0, -PRID_REV_BMIPS4380_LO -+ bltz t0, 2f -+ - mfc0 t0, $22, 3 - li t1, 0x1ff0 - li t2, (1 << 12) | (1 << 9) -@@ -231,7 +260,13 @@ LEAF(bmips_enable_xks01) - or t0, t2 - mtc0 t0, $22, 3 - BARRIER --#elif defined(CONFIG_CPU_BMIPS5000) -+ b 2f -+1: -+#endif /* CONFIG_CPU_BMIPS4380 */ -+#if defined(CONFIG_CPU_BMIPS5000) -+ li t1, PRID_IMP_BMIPS5000 -+ bne t2, t1, 2f -+ - mfc0 t0, $22, 5 - li t1, 0x01ff - li t2, (1 << 8) | (1 << 5) -@@ -240,12 +275,8 @@ LEAF(bmips_enable_xks01) - or t0, t2 - mtc0 t0, $22, 5 - BARRIER --#else -- --#error Missing XKS01 setup -- --#endif -- -+#endif /* CONFIG_CPU_BMIPS5000 */ -+2: - #endif /* defined(CONFIG_XKS01) */ - - jr ra ---- a/arch/mips/kernel/smp-bmips.c -+++ b/arch/mips/kernel/smp-bmips.c -@@ -49,8 +49,11 @@ cpumask_t bmips_booted_mask; - unsigned long bmips_smp_boot_sp; - unsigned long bmips_smp_boot_gp; - -+static void bmips43xx_send_ipi_single(int cpu, unsigned int action); -+static void bmips5000_send_ipi_single(int cpu, unsigned int action); - static void bmips_send_ipi_single(int cpu, unsigned int action); --static irqreturn_t bmips_ipi_interrupt(int irq, void *dev_id); -+static irqreturn_t bmips43xx_ipi_interrupt(int irq, void *dev_id); -+static irqreturn_t bmips5000_ipi_interrupt(int irq, void *dev_id); - - /* SW interrupts 0,1 are used for interprocessor signaling */ - #define IPI0_IRQ (MIPS_CPU_IRQ_BASE + 0) -@@ -65,48 +68,49 @@ static void __init bmips_smp_setup(void) - { - int i, cpu = 1, boot_cpu = 0; - --#if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) -- /* arbitration priority */ -- clear_c0_brcm_cmt_ctrl(0x30); -- -- /* NBK and weak order flags */ -- set_c0_brcm_config_0(0x30000); -- -- /* Find out if we are running on TP0 or TP1 */ -- boot_cpu = !!(read_c0_brcm_cmt_local() & (1 << 31)); -- -- /* -- * MIPS interrupts 0,1 (SW INT 0,1) cross over to the other thread -- * MIPS interrupt 2 (HW INT 0) is the CPU0 L1 controller output -- * MIPS interrupt 3 (HW INT 1) is the CPU1 L1 controller output -- * -- * If booting from TP1, leave the existing CMT interrupt routing -- * such that TP0 responds to SW1 and TP1 responds to SW0. -- */ -- if (boot_cpu == 0) -- change_c0_brcm_cmt_intr(0xf8018000, -+ if (cpu_is_bmips4350() || cpu_is_bmips4380()) { -+ /* arbitration priority */ -+ clear_c0_brcm_cmt_ctrl(0x30); -+ -+ /* NBK and weak order flags */ -+ set_c0_brcm_config_0(0x30000); -+ -+ /* Find out if we are running on TP0 or TP1 */ -+ boot_cpu = !!(read_c0_brcm_cmt_local() & (1 << 31)); -+ -+ /* -+ * MIPS interrupts 0,1 (SW INT 0,1) cross over to the other -+ * thread -+ * MIPS interrupt 2 (HW INT 0) is the CPU0 L1 controller output -+ * MIPS interrupt 3 (HW INT 1) is the CPU1 L1 controller output -+ * -+ * If booting from TP1, leave the existing CMT interrupt routing -+ * such that TP0 responds to SW1 and TP1 responds to SW0. -+ */ -+ if (boot_cpu == 0) -+ change_c0_brcm_cmt_intr(0xf8018000, - (0x02 << 27) | (0x03 << 15)); -- else -- change_c0_brcm_cmt_intr(0xf8018000, (0x1d << 27)); -- -- /* single core, 2 threads (2 pipelines) */ -- max_cpus = 2; --#elif defined(CONFIG_CPU_BMIPS5000) -- /* enable raceless SW interrupts */ -- set_c0_brcm_config(0x03 << 22); -- -- /* route HW interrupt 0 to CPU0, HW interrupt 1 to CPU1 */ -- change_c0_brcm_mode(0x1f << 27, 0x02 << 27); -+ else -+ change_c0_brcm_cmt_intr(0xf8018000, (0x1d << 27)); - -- /* N cores, 2 threads per core */ -- max_cpus = (((read_c0_brcm_config() >> 6) & 0x03) + 1) << 1; -- -- /* clear any pending SW interrupts */ -- for (i = 0; i < max_cpus; i++) { -- write_c0_brcm_action(ACTION_CLR_IPI(i, 0)); -- write_c0_brcm_action(ACTION_CLR_IPI(i, 1)); -+ /* single core, 2 threads (2 pipelines) */ -+ max_cpus = 2; -+ } else if (cpu_is_bmips5000()) { -+ /* enable raceless SW interrupts */ -+ set_c0_brcm_config(0x03 << 22); -+ -+ /* route HW interrupt 0 to CPU0, HW interrupt 1 to CPU1 */ -+ change_c0_brcm_mode(0x1f << 27, 0x02 << 27); -+ -+ /* N cores, 2 threads per core */ -+ max_cpus = (((read_c0_brcm_config() >> 6) & 0x03) + 1) << 1; -+ -+ /* clear any pending SW interrupts */ -+ for (i = 0; i < max_cpus; i++) { -+ write_c0_brcm_action(ACTION_CLR_IPI(i, 0)); -+ write_c0_brcm_action(ACTION_CLR_IPI(i, 1)); -+ } - } --#endif - - if (!bmips_smp_enabled) - max_cpus = 1; -@@ -134,6 +138,15 @@ static void __init bmips_smp_setup(void) - */ - static void bmips_prepare_cpus(unsigned int max_cpus) - { -+ irqreturn_t (*bmips_ipi_interrupt)(int irq, void *dev_id); -+ -+ if (cpu_is_bmips4350() || cpu_is_bmips4380()) -+ bmips_ipi_interrupt = bmips43xx_ipi_interrupt; -+ else if (cpu_is_bmips5000()) -+ bmips_ipi_interrupt = bmips5000_ipi_interrupt; -+ else -+ return; -+ - if (request_irq(IPI0_IRQ, bmips_ipi_interrupt, IRQF_PERCPU, - "smp_ipi0", NULL)) - panic("Can't request IPI0 interrupt\n"); -@@ -168,26 +181,26 @@ static void bmips_boot_secondary(int cpu - - pr_info("SMP: Booting CPU%d...\n", cpu); - -- if (cpumask_test_cpu(cpu, &bmips_booted_mask)) -+ if (cpumask_test_cpu(cpu, &bmips_booted_mask)) { - bmips_send_ipi_single(cpu, 0); -- else { --#if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) -- /* Reset slave TP1 if booting from TP0 */ -- if (cpu_logical_map(cpu) == 0) -- set_c0_brcm_cmt_ctrl(0x01); --#elif defined(CONFIG_CPU_BMIPS5000) -- if (cpu & 0x01) -- write_c0_brcm_action(ACTION_BOOT_THREAD(cpu)); -- else { -- /* -- * core N thread 0 was already booted; just -- * pulse the NMI line -- */ -- bmips_write_zscm_reg(0x210, 0xc0000000); -- udelay(10); -- bmips_write_zscm_reg(0x210, 0x00); -+ } else { -+ if (cpu_is_bmips4350() || cpu_is_bmips4380()) { -+ /* Reset slave TP1 if booting from TP0 */ -+ if (cpu_logical_map(cpu) == 0) -+ set_c0_brcm_cmt_ctrl(0x01); -+ } else if (cpu_is_bmips5000()) { -+ if (cpu & 0x01) -+ write_c0_brcm_action(ACTION_BOOT_THREAD(cpu)); -+ else { -+ /* -+ * core N thread 0 was already booted; just -+ * pulse the NMI line -+ */ -+ bmips_write_zscm_reg(0x210, 0xc0000000); -+ udelay(10); -+ bmips_write_zscm_reg(0x210, 0x00); -+ } - } --#endif - cpumask_set_cpu(cpu, &bmips_booted_mask); - } - } -@@ -199,20 +212,21 @@ static void bmips_init_secondary(void) - { - /* move NMI vector to kseg0, in case XKS01 is enabled */ - --#if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) -- void __iomem *cbr = BMIPS_GET_CBR(); -- unsigned long old_vec; -- -- old_vec = __raw_readl(cbr + BMIPS_RELO_VECTOR_CONTROL_1); -- __raw_writel(old_vec & ~0x20000000, cbr + BMIPS_RELO_VECTOR_CONTROL_1); -- -- clear_c0_cause(smp_processor_id() ? C_SW1 : C_SW0); --#elif defined(CONFIG_CPU_BMIPS5000) -- write_c0_brcm_bootvec(read_c0_brcm_bootvec() & -- (smp_processor_id() & 0x01 ? ~0x20000000 : ~0x2000)); -+ if (cpu_is_bmips4350() || cpu_is_bmips4380()) { -+ void __iomem *cbr = BMIPS_GET_CBR(); -+ unsigned long old_vec; -+ -+ old_vec = __raw_readl(cbr + BMIPS_RELO_VECTOR_CONTROL_1); -+ __raw_writel(old_vec & ~0x20000000, -+ cbr + BMIPS_RELO_VECTOR_CONTROL_1); -+ -+ clear_c0_cause(smp_processor_id() ? C_SW1 : C_SW0); -+ } else if (cpu_is_bmips5000()) { -+ write_c0_brcm_bootvec(read_c0_brcm_bootvec() & -+ (smp_processor_id() & 0x01 ? ~0x20000000 : ~0x2000)); - -- write_c0_brcm_action(ACTION_CLR_IPI(smp_processor_id(), 0)); --#endif -+ write_c0_brcm_action(ACTION_CLR_IPI(smp_processor_id(), 0)); -+ } - } - - /* -@@ -237,8 +251,6 @@ static void bmips_cpus_done(void) - { - } - --#if defined(CONFIG_CPU_BMIPS5000) -- - /* - * BMIPS5000 raceless IPIs - * -@@ -247,12 +259,12 @@ static void bmips_cpus_done(void) - * IPI1 is used for SMP_CALL_FUNCTION - */ - --static void bmips_send_ipi_single(int cpu, unsigned int action) -+static void bmips5000_send_ipi_single(int cpu, unsigned int action) - { - write_c0_brcm_action(ACTION_SET_IPI(cpu, action == SMP_CALL_FUNCTION)); - } - --static irqreturn_t bmips_ipi_interrupt(int irq, void *dev_id) -+static irqreturn_t bmips5000_ipi_interrupt(int irq, void *dev_id) - { - int action = irq - IPI0_IRQ; - -@@ -266,8 +278,6 @@ static irqreturn_t bmips_ipi_interrupt(i - return IRQ_HANDLED; - } - --#else -- - /* - * BMIPS43xx racey IPIs - * -@@ -281,7 +291,7 @@ static irqreturn_t bmips_ipi_interrupt(i - static DEFINE_SPINLOCK(ipi_lock); - static DEFINE_PER_CPU(int, ipi_action_mask); - --static void bmips_send_ipi_single(int cpu, unsigned int action) -+static void bmips43xx_send_ipi_single(int cpu, unsigned int action) - { - unsigned long flags; - -@@ -292,7 +302,7 @@ static void bmips_send_ipi_single(int cp - spin_unlock_irqrestore(&ipi_lock, flags); - } - --static irqreturn_t bmips_ipi_interrupt(int irq, void *dev_id) -+static irqreturn_t bmips43xx_ipi_interrupt(int irq, void *dev_id) - { - unsigned long flags; - int action, cpu = irq - IPI0_IRQ; -@@ -311,7 +321,13 @@ static irqreturn_t bmips_ipi_interrupt(i - return IRQ_HANDLED; - } - --#endif /* BMIPS type */ -+static void bmips_send_ipi_single(int cpu, unsigned int action) -+{ -+ if (cpu_is_bmips4350() || cpu_is_bmips4380()) -+ bmips43xx_send_ipi_single(cpu, action); -+ else if (cpu_is_bmips5000()) -+ bmips5000_send_ipi_single(cpu, action); -+} - - static void bmips_send_ipi_mask(const struct cpumask *mask, - unsigned int action) -@@ -421,43 +437,44 @@ void __cpuinit bmips_ebase_setup(void) - - BUG_ON(ebase != CKSEG0); - --#if defined(CONFIG_CPU_BMIPS4350) -- /* -- * BMIPS4350 cannot relocate the normal vectors, but it -- * can relocate the BEV=1 vectors. So CPU1 starts up at -- * the relocated BEV=1, IV=0 general exception vector @ -- * 0xa000_0380. -- * -- * set_uncached_handler() is used here because: -- * - CPU1 will run this from uncached space -- * - None of the cacheflush functions are set up yet -- */ -- set_uncached_handler(BMIPS_WARM_RESTART_VEC - CKSEG0, -- &bmips_smp_int_vec, 0x80); -- __sync(); -- return; --#elif defined(CONFIG_CPU_BMIPS4380) -- /* -- * 0x8000_0000: reset/NMI (initially in kseg1) -- * 0x8000_0400: normal vectors -- */ -- new_ebase = 0x80000400; -- cbr = BMIPS_GET_CBR(); -- __raw_writel(0x80080800, cbr + BMIPS_RELO_VECTOR_CONTROL_0); -- __raw_writel(0xa0080800, cbr + BMIPS_RELO_VECTOR_CONTROL_1); --#elif defined(CONFIG_CPU_BMIPS5000) -- /* -- * 0x8000_0000: reset/NMI (initially in kseg1) -- * 0x8000_1000: normal vectors -- */ -- new_ebase = 0x80001000; -- write_c0_brcm_bootvec(0xa0088008); -- write_c0_ebase(new_ebase); -- if (max_cpus > 2) -- bmips_write_zscm_reg(0xa0, 0xa008a008); --#else -- return; --#endif -+ if (cpu_is_bmips4350()) { -+ /* -+ * BMIPS4350 cannot relocate the normal vectors, but it -+ * can relocate the BEV=1 vectors. So CPU1 starts up at -+ * the relocated BEV=1, IV=0 general exception vector @ -+ * 0xa000_0380. -+ * -+ * set_uncached_handler() is used here because: -+ * - CPU1 will run this from uncached space -+ * - None of the cacheflush functions are set up yet -+ */ -+ set_uncached_handler(BMIPS_WARM_RESTART_VEC - CKSEG0, -+ &bmips_smp_int_vec, 0x80); -+ __sync(); -+ return; -+ } else if (cpu_is_bmips4380()) { -+ /* -+ * 0x8000_0000: reset/NMI (initially in kseg1) -+ * 0x8000_0400: normal vectors -+ */ -+ new_ebase = 0x80000400; -+ cbr = BMIPS_GET_CBR(); -+ __raw_writel(0x80080800, cbr + BMIPS_RELO_VECTOR_CONTROL_0); -+ __raw_writel(0xa0080800, cbr + BMIPS_RELO_VECTOR_CONTROL_1); -+ } else if (cpu_is_bmips5000()) { -+ /* -+ * 0x8000_0000: reset/NMI (initially in kseg1) -+ * 0x8000_1000: normal vectors -+ */ -+ new_ebase = 0x80001000; -+ write_c0_brcm_bootvec(0xa0088008); -+ write_c0_ebase(new_ebase); -+ if (max_cpus > 2) -+ bmips_write_zscm_reg(0xa0, 0xa008a008); -+ } else { -+ return; -+ } -+ - board_nmi_handler_setup = &bmips_nmi_handler_setup; - ebase = new_ebase; - } diff --git a/target/linux/brcm63xx/patches-3.10/104-MIPS-bmips-merge-CPU-options-into-one-option.patch b/target/linux/brcm63xx/patches-3.10/104-MIPS-bmips-merge-CPU-options-into-one-option.patch deleted file mode 100644 index e33d94dc0c..0000000000 --- a/target/linux/brcm63xx/patches-3.10/104-MIPS-bmips-merge-CPU-options-into-one-option.patch +++ /dev/null @@ -1,126 +0,0 @@ -From 1ecac776e6c652e3059d4f4d9dd8369e89ebef81 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Thu, 27 Jun 2013 23:57:20 +0200 -Subject: [PATCH 05/10] MIPS: bmips: merge CPU options into one option - -Instead of treating each flavour as an exclusive CPU to select, make -BMIPS the only option and let SYS_HAS_CPU_BMIPS* decide for which -flavours to include support. - -Run tested on BMIPS3300 and BMIPS4350, only build tested for BMIPS4380 -and BMISP5000. - -Signed-off-by: Jonas Gorski ---- - arch/mips/Kconfig | 77 +++++++++++++++++++++++++---------------------------- - 1 file changed, 36 insertions(+), 41 deletions(-) - ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -130,6 +130,7 @@ config BCM63XX - select DMA_NONCOHERENT - select IRQ_CPU - select SYS_HAS_CPU_MIPS32_R1 -+ select SYS_HAS_CPU_BMIPS - select SYS_HAS_CPU_BMIPS4350 if !BCM63XX_CPU_6338 && !BCM63XX_CPU_6345 && !BCM63XX_CPU_6348 - select NR_CPUS_DEFAULT_2 - select SYS_SUPPORTS_32BIT_KERNEL -@@ -1453,41 +1454,21 @@ config CPU_CAVIUM_OCTEON - can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. - Full details can be found at http://www.caviumnetworks.com. - --config CPU_BMIPS3300 -- bool "BMIPS3300" -- depends on SYS_HAS_CPU_BMIPS3300 -- select CPU_BMIPS -- help -- Broadcom BMIPS3300 processors. -- --config CPU_BMIPS4350 -- bool "BMIPS4350" -- depends on SYS_HAS_CPU_BMIPS4350 -- select CPU_BMIPS -- select SYS_SUPPORTS_SMP -- select SYS_SUPPORTS_HOTPLUG_CPU -- help -- Broadcom BMIPS4350 ("VIPER") processors. -- --config CPU_BMIPS4380 -- bool "BMIPS4380" -- depends on SYS_HAS_CPU_BMIPS4380 -- select CPU_BMIPS -- select SYS_SUPPORTS_SMP -- select SYS_SUPPORTS_HOTPLUG_CPU -- help -- Broadcom BMIPS4380 processors. -- --config CPU_BMIPS5000 -- bool "BMIPS5000" -- depends on SYS_HAS_CPU_BMIPS5000 -- select CPU_BMIPS -- select CPU_SUPPORTS_HIGHMEM -- select MIPS_CPU_SCACHE -- select SYS_SUPPORTS_SMP -- select SYS_SUPPORTS_HOTPLUG_CPU -+config CPU_BMIPS -+ bool "Broadcom BMIPS" -+ depends on SYS_HAS_CPU_BMIPS -+ select CPU_MIPS32 -+ select CPU_BMIPS3300 if SYS_HAS_CPU_BMIPS3300 -+ select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 -+ select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4380 -+ select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 -+ select CPU_SUPPORTS_32BIT_KERNEL -+ select DMA_NONCOHERENT -+ select IRQ_CPU -+ select SWAP_IO_SPACE -+ select WEAK_ORDERING - help -- Broadcom BMIPS5000 processors. -+ Support for BMIPS3300/4350/4380 and BMIPS5000 processors. - - config CPU_XLR - bool "Netlogic XLR SoC" -@@ -1568,14 +1549,25 @@ config CPU_LOONGSON1 - select CPU_SUPPORTS_32BIT_KERNEL - select CPU_SUPPORTS_HIGHMEM - --config CPU_BMIPS -+config CPU_BMIPS3300 - bool -- select CPU_MIPS32 -- select CPU_SUPPORTS_32BIT_KERNEL -- select DMA_NONCOHERENT -- select IRQ_CPU -- select SWAP_IO_SPACE -- select WEAK_ORDERING -+ -+config CPU_BMIPS4350 -+ bool -+ select SYS_SUPPORTS_SMP -+ select SYS_SUPPORTS_HOTPLUG_CPU -+ -+config CPU_BMIPS4380 -+ bool -+ select SYS_SUPPORTS_SMP -+ select SYS_SUPPORTS_HOTPLUG_CPU -+ -+config CPU_BMIPS5000 -+ bool -+ select CPU_SUPPORTS_HIGHMEM -+ select MIPS_CPU_SCACHE -+ select SYS_SUPPORTS_SMP -+ select SYS_SUPPORTS_HOTPLUG_CPU - - config SYS_HAS_CPU_LOONGSON2E - bool -@@ -1649,6 +1641,9 @@ config SYS_HAS_CPU_SB1 - config SYS_HAS_CPU_CAVIUM_OCTEON - bool - -+config SYS_HAS_CPU_BMIPS -+ bool -+ - config SYS_HAS_CPU_BMIPS3300 - bool - diff --git a/target/linux/brcm63xx/patches-3.10/105-MIPS-BCM63XX-let-the-individual-SoCs-select-the-appr.patch b/target/linux/brcm63xx/patches-3.10/105-MIPS-BCM63XX-let-the-individual-SoCs-select-the-appr.patch deleted file mode 100644 index cb09abcc2d..0000000000 --- a/target/linux/brcm63xx/patches-3.10/105-MIPS-BCM63XX-let-the-individual-SoCs-select-the-appr.patch +++ /dev/null @@ -1,72 +0,0 @@ -From 9d1e9d7abd2f2d067169fb0c62e34cf080bbd7a1 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Sun, 23 Jun 2013 12:25:49 +0200 -Subject: [PATCH 06/10] MIPS: BCM63XX: let the individual SoCs select the - appropriate CPUs - -Let each supported chip select the appropirate SYS_HAS_CPU_BMIPS* -option for its embedded processor, so support will be conditionally -included. - -Signed-off-by: Jonas Gorski - -fix bmips selection ---- - arch/mips/Kconfig | 1 - - arch/mips/bcm63xx/Kconfig | 8 ++++++++ - 2 files changed, 8 insertions(+), 1 deletion(-) - ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -131,7 +131,6 @@ config BCM63XX - select IRQ_CPU - select SYS_HAS_CPU_MIPS32_R1 - select SYS_HAS_CPU_BMIPS -- select SYS_HAS_CPU_BMIPS4350 if !BCM63XX_CPU_6338 && !BCM63XX_CPU_6345 && !BCM63XX_CPU_6348 - select NR_CPUS_DEFAULT_2 - select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_BIG_ENDIAN ---- a/arch/mips/bcm63xx/Kconfig -+++ b/arch/mips/bcm63xx/Kconfig -@@ -3,33 +3,41 @@ menu "CPU support" - - config BCM63XX_CPU_3368 - bool "support 3368 CPU" -+ select SYS_HAS_CPU_BMIPS4350 - select HW_HAS_PCI - - config BCM63XX_CPU_6328 - bool "support 6328 CPU" -+ select SYS_HAS_CPU_BMIPS4350 - select HW_HAS_PCI - - config BCM63XX_CPU_6338 - bool "support 6338 CPU" -+ select SYS_HAS_CPU_BMIPS3300 - select HW_HAS_PCI - - config BCM63XX_CPU_6345 - bool "support 6345 CPU" -+ select SYS_HAS_CPU_BMIPS3300 - - config BCM63XX_CPU_6348 - bool "support 6348 CPU" -+ select SYS_HAS_CPU_BMIPS3300 - select HW_HAS_PCI - - config BCM63XX_CPU_6358 - bool "support 6358 CPU" -+ select SYS_HAS_CPU_BMIPS4350 - select HW_HAS_PCI - - config BCM63XX_CPU_6362 - bool "support 6362 CPU" -+ select SYS_HAS_CPU_BMIPS4350 - select HW_HAS_PCI - - config BCM63XX_CPU_6368 - bool "support 6368 CPU" -+ select SYS_HAS_CPU_BMIPS4350 - select HW_HAS_PCI - endmenu - diff --git a/target/linux/brcm63xx/patches-3.10/106-MIPS-bmips-add-a-helper-function-for-registering-smp.patch b/target/linux/brcm63xx/patches-3.10/106-MIPS-bmips-add-a-helper-function-for-registering-smp.patch deleted file mode 100644 index ad357b6ab2..0000000000 --- a/target/linux/brcm63xx/patches-3.10/106-MIPS-bmips-add-a-helper-function-for-registering-smp.patch +++ /dev/null @@ -1,42 +0,0 @@ -From aa15ac91faccc3bf01a29670b1f9ae1945cea056 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Sun, 23 Jun 2013 14:04:51 +0200 -Subject: [PATCH 07/10] MIPS: bmips: add a helper function for registering smp - ops - -Add a helper similar to the generic register_XXX_smp_ops() for bmips. - -Signed-off-by: Jonas Gorski ---- - arch/mips/include/asm/bmips.h | 13 +++++++++++++ - 1 file changed, 13 insertions(+) - ---- a/arch/mips/include/asm/bmips.h -+++ b/arch/mips/include/asm/bmips.h -@@ -47,6 +47,7 @@ - #include - #include - #include -+#include - - #define cpu_is_bmips32() (current_cpu_type() == CPU_BMIPS32) - #define cpu_is_bmips3300() (IS_ENABLED(CONFIG_CPU_BMIPS3300) && \ -@@ -59,6 +60,18 @@ - current_cpu_type() == CPU_BMIPS5000) - - extern struct plat_smp_ops bmips_smp_ops; -+ -+static inline int register_bmips_smp_ops(void) -+{ -+#ifdef CONFIG_CPU_BMIPS -+ register_smp_ops(&bmips_smp_ops); -+ -+ return 0; -+#else -+ return -ENODEV; -+#endif -+} -+ - extern char bmips_reset_nmi_vec; - extern char bmips_reset_nmi_vec_end; - extern char bmips_smp_movevec; diff --git a/target/linux/brcm63xx/patches-3.10/107-MIPS-BCM63XX-always-register-bmips-smp-ops.patch b/target/linux/brcm63xx/patches-3.10/107-MIPS-BCM63XX-always-register-bmips-smp-ops.patch deleted file mode 100644 index 1ea52c478c..0000000000 --- a/target/linux/brcm63xx/patches-3.10/107-MIPS-BCM63XX-always-register-bmips-smp-ops.patch +++ /dev/null @@ -1,26 +0,0 @@ -From c489eace9492d1b8bedb314bdef169e719161bff Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Fri, 28 Jun 2013 00:08:16 +0200 -Subject: [PATCH 08/10] MIPS: BCM63XX: always register bmips smp ops - -Signed-off-by: Jonas Gorski ---- - arch/mips/bcm63xx/prom.c | 6 +++--- - 1 file changed, 3 insertions(+), 3 deletions(-) - ---- a/arch/mips/bcm63xx/prom.c -+++ b/arch/mips/bcm63xx/prom.c -@@ -59,10 +59,10 @@ void __init prom_init(void) - /* do low level board init */ - board_prom_init(); - -- if (IS_ENABLED(CONFIG_CPU_BMIPS4350) && IS_ENABLED(CONFIG_SMP)) { -- /* set up SMP */ -- register_smp_ops(&bmips_smp_ops); -+ /* set up SMP */ -+ register_bmips_smp_ops(); - -+ if (IS_ENABLED(CONFIG_CPU_BMIPS4350) && IS_ENABLED(CONFIG_SMP)) { - /* - * BCM6328 might not have its second CPU enabled, while BCM6358 - * needs special handling for its shared TLB, so disable SMP diff --git a/target/linux/brcm63xx/patches-3.10/108-MIPS-BCM63XX-change-the-guard-to-a-BMIPS4350-check.patch b/target/linux/brcm63xx/patches-3.10/108-MIPS-BCM63XX-change-the-guard-to-a-BMIPS4350-check.patch deleted file mode 100644 index 75729858eb..0000000000 --- a/target/linux/brcm63xx/patches-3.10/108-MIPS-BCM63XX-change-the-guard-to-a-BMIPS4350-check.patch +++ /dev/null @@ -1,21 +0,0 @@ -From 3a862fd3cc4f477ad2232370abfceca1ec2145ae Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Fri, 28 Jun 2013 00:10:07 +0200 -Subject: [PATCH 09/10] MIPS: BCM63XX: change the guard to a BMIPS4350 check - -Signed-off-by: Jonas Gorski ---- - arch/mips/bcm63xx/prom.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/arch/mips/bcm63xx/prom.c -+++ b/arch/mips/bcm63xx/prom.c -@@ -62,7 +62,7 @@ void __init prom_init(void) - /* set up SMP */ - register_bmips_smp_ops(); - -- if (IS_ENABLED(CONFIG_CPU_BMIPS4350) && IS_ENABLED(CONFIG_SMP)) { -+ if (cpu_is_bmips4350()) { - /* - * BCM6328 might not have its second CPU enabled, while BCM6358 - * needs special handling for its shared TLB, so disable SMP diff --git a/target/linux/brcm63xx/patches-3.10/109-MIPS-BCM63XX-disable-SMP-also-on-BCM3368.patch b/target/linux/brcm63xx/patches-3.10/109-MIPS-BCM63XX-disable-SMP-also-on-BCM3368.patch deleted file mode 100644 index dbb2ae4e34..0000000000 --- a/target/linux/brcm63xx/patches-3.10/109-MIPS-BCM63XX-disable-SMP-also-on-BCM3368.patch +++ /dev/null @@ -1,36 +0,0 @@ -From 32d4b03c0aedb96022e86a67a560f6eaf488200a Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Fri, 28 Jun 2013 00:25:13 +0200 -Subject: [PATCH 10/10] MIPS: BCM63XX: disable SMP also on BCM3368 - -BCM3368 has the same shared TLB as BCM6358. - -Signed-off-by: Jonas Gorski ---- - arch/mips/bcm63xx/prom.c | 8 ++++---- - 1 file changed, 4 insertions(+), 4 deletions(-) - ---- a/arch/mips/bcm63xx/prom.c -+++ b/arch/mips/bcm63xx/prom.c -@@ -64,9 +64,9 @@ void __init prom_init(void) - - if (cpu_is_bmips4350()) { - /* -- * BCM6328 might not have its second CPU enabled, while BCM6358 -- * needs special handling for its shared TLB, so disable SMP -- * for now. -+ * BCM6328 might not have its second CPU enabled, while BCM3368 -+ * and BCM6358 need special handling for their shared TLB, so -+ * disable SMP for now. - */ - if (BCMCPU_IS_6328()) { - reg = bcm_readl(BCM_6328_OTP_BASE + -@@ -74,7 +74,7 @@ void __init prom_init(void) - - if (reg & OTP_6328_REG3_TP1_DISABLED) - bmips_smp_enabled = 0; -- } else if (BCMCPU_IS_6358()) { -+ } else if (BCMCPU_IS_3368() || BCMCPU_IS_6358()) { - bmips_smp_enabled = 0; - } - diff --git a/target/linux/brcm63xx/patches-3.10/114-MIPS-BCM63XX-introduce-BCM63XX_OHCI-configuration-sy.patch b/target/linux/brcm63xx/patches-3.10/114-MIPS-BCM63XX-introduce-BCM63XX_OHCI-configuration-sy.patch index 03fa41c410..768dccac5e 100644 --- a/target/linux/brcm63xx/patches-3.10/114-MIPS-BCM63XX-introduce-BCM63XX_OHCI-configuration-sy.patch +++ b/target/linux/brcm63xx/patches-3.10/114-MIPS-BCM63XX-introduce-BCM63XX_OHCI-configuration-sy.patch @@ -36,7 +36,7 @@ Signed-off-by: Florian Fainelli bool "support 6338 CPU" @@ -24,21 +31,25 @@ config BCM63XX_CPU_6348 bool "support 6348 CPU" - select SYS_HAS_CPU_BMIPS3300 + select SYS_HAS_CPU_BMIPS32_3300 select HW_HAS_PCI + select BCM63XX_OHCI diff --git a/target/linux/brcm63xx/smp/config-default b/target/linux/brcm63xx/smp/config-default index 4e48e7760f..8afdf5e40d 100644 --- a/target/linux/brcm63xx/smp/config-default +++ b/target/linux/brcm63xx/smp/config-default @@ -1,7 +1,3 @@ -CONFIG_CPU_BMIPS=y -CONFIG_CPU_BMIPS3300=y -CONFIG_CPU_BMIPS4350=y -# CONFIG_CPU_MIPS32_R1 is not set CONFIG_CPU_RMAP=y # CONFIG_KEXEC is not set CONFIG_MUTEX_SPIN_ON_OWNER=y @@ -10,10 +6,8 @@ CONFIG_RCU_STALL_COMMON=y CONFIG_RFS_ACCEL=y CONFIG_RPS=y CONFIG_SMP=y +CONFIG_SMP_UP=y CONFIG_STOP_MACHINE=y -CONFIG_SYS_SUPPORTS_HOTPLUG_CPU=y -CONFIG_SYS_SUPPORTS_SMP=y CONFIG_TREE_RCU=y CONFIG_USE_GENERIC_SMP_HELPERS=y -CONFIG_WEAK_ORDERING=y CONFIG_XPS=y -- cgit v1.2.3