diff options
Diffstat (limited to 'arm-highbank-for-3.12.patch')
| -rw-r--r-- | arm-highbank-for-3.12.patch | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/arm-highbank-for-3.12.patch b/arm-highbank-for-3.12.patch new file mode 100644 index 000000000..8c1fb41c6 --- /dev/null +++ b/arm-highbank-for-3.12.patch @@ -0,0 +1,200 @@ +diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h +index 441efc4..d91b168 100644 +--- a/arch/arm/include/asm/mach/arch.h ++++ b/arch/arm/include/asm/mach/arch.h +@@ -35,7 +35,7 @@ struct machine_desc { + unsigned int nr_irqs; /* number of IRQs */ + + #ifdef CONFIG_ZONE_DMA +- unsigned long dma_zone_size; /* size of DMA-able area */ ++ phys_addr_t dma_zone_size; /* size of DMA-able area */ + #endif + + unsigned int video_start; /* start of video RAM */ +diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h +index 12f71a1..f94784f 100644 +--- a/arch/arm/include/asm/outercache.h ++++ b/arch/arm/include/asm/outercache.h +@@ -37,10 +37,10 @@ struct outer_cache_fns { + void (*resume)(void); + }; + +-#ifdef CONFIG_OUTER_CACHE +- + extern struct outer_cache_fns outer_cache; + ++#ifdef CONFIG_OUTER_CACHE ++ + static inline void outer_inv_range(phys_addr_t start, phys_addr_t end) + { + if (outer_cache.inv_range) +diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig +index cd9fcb1..b9dd13a 100644 +--- a/arch/arm/mach-highbank/Kconfig ++++ b/arch/arm/mach-highbank/Kconfig +@@ -1,9 +1,14 @@ + config ARCH_HIGHBANK + bool "Calxeda ECX-1000/2000 (Highbank/Midway)" if ARCH_MULTI_V7 ++ select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE + select ARCH_HAS_CPUFREQ ++ select ARCH_HAS_HOLES_MEMORYMODEL + select ARCH_HAS_OPP + select ARCH_WANT_OPTIONAL_GPIOLIB + select ARM_AMBA ++ select ARM_ERRATA_764369 ++ select ARM_ERRATA_775420 ++ select ARM_ERRATA_798181 + select ARM_GIC + select ARM_TIMER_SP804 + select CACHE_L2X0 +@@ -18,3 +23,4 @@ config ARCH_HIGHBANK + select PL320_MBOX + select SPARSE_IRQ + select USE_OF ++ select ZONE_DMA if ARM_LPAE +diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c +index 8881579..8e63ccd 100644 +--- a/arch/arm/mach-highbank/highbank.c ++++ b/arch/arm/mach-highbank/highbank.c +@@ -18,14 +18,11 @@ + #include <linux/clocksource.h> + #include <linux/dma-mapping.h> + #include <linux/io.h> +-#include <linux/irq.h> + #include <linux/irqchip.h> +-#include <linux/irqdomain.h> + #include <linux/of.h> + #include <linux/of_irq.h> + #include <linux/of_platform.h> + #include <linux/of_address.h> +-#include <linux/smp.h> + #include <linux/amba/bus.h> + #include <linux/clk-provider.h> + +@@ -35,7 +32,6 @@ + #include <asm/hardware/cache-l2x0.h> + #include <asm/mach/arch.h> + #include <asm/mach/map.h> +-#include <asm/mach/time.h> + + #include "core.h" + #include "sysregs.h" +@@ -65,13 +61,11 @@ void highbank_set_cpu_jump(int cpu, void *jump_addr) + HB_JUMP_TABLE_PHYS(cpu) + 15); + } + +-#ifdef CONFIG_CACHE_L2X0 + static void highbank_l2x0_disable(void) + { + /* Disable PL310 L2 Cache controller */ + highbank_smc1(0x102, 0x0); + } +-#endif + + static void __init highbank_init_irq(void) + { +@@ -80,12 +74,13 @@ static void __init highbank_init_irq(void) + if (of_find_compatible_node(NULL, NULL, "arm,cortex-a9")) + highbank_scu_map_io(); + +-#ifdef CONFIG_CACHE_L2X0 + /* Enable PL310 L2 Cache controller */ +- highbank_smc1(0x102, 0x1); +- l2x0_of_init(0, ~0UL); +- outer_cache.disable = highbank_l2x0_disable; +-#endif ++ if (IS_ENABLED(CONFIG_CACHE_L2X0) && ++ of_find_compatible_node(NULL, NULL, "arm,pl310-cache")) { ++ highbank_smc1(0x102, 0x1); ++ l2x0_of_init(0, ~0UL); ++ outer_cache.disable = highbank_l2x0_disable; ++ } + } + + static void __init highbank_timer_init(void) +@@ -176,6 +171,9 @@ static const char *highbank_match[] __initconst = { + }; + + DT_MACHINE_START(HIGHBANK, "Highbank") ++#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) ++ .dma_zone_size = (4ULL * SZ_1G), ++#endif + .smp = smp_ops(highbank_smp_ops), + .init_irq = highbank_init_irq, + .init_time = highbank_timer_init, +diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c +index 15225d8..c0bb66e 100644 +--- a/arch/arm/mm/init.c ++++ b/arch/arm/mm/init.c +@@ -207,7 +207,7 @@ static void __init arm_bootmem_init(unsigned long start_pfn, + + #ifdef CONFIG_ZONE_DMA + +-unsigned long arm_dma_zone_size __read_mostly; ++phys_addr_t arm_dma_zone_size __read_mostly; + EXPORT_SYMBOL(arm_dma_zone_size); + + /* +diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c +index 06fe45c..bff41d4 100644 +--- a/drivers/dma/amba-pl08x.c ++++ b/drivers/dma/amba-pl08x.c +@@ -133,6 +133,8 @@ struct pl08x_bus_data { + u8 buswidth; + }; + ++#define IS_BUS_ALIGNED(bus) IS_ALIGNED((bus)->addr, (bus)->buswidth) ++ + /** + * struct pl08x_phy_chan - holder for the physical channels + * @id: physical index to this channel +@@ -845,10 +847,13 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, + + pl08x_choose_master_bus(&bd, &mbus, &sbus, cctl); + +- dev_vdbg(&pl08x->adev->dev, "src=0x%08x%s/%u dst=0x%08x%s/%u len=%zu\n", +- bd.srcbus.addr, cctl & PL080_CONTROL_SRC_INCR ? "+" : "", ++ dev_vdbg(&pl08x->adev->dev, ++ "src=0x%08llx%s/%u dst=0x%08llx%s/%u len=%zu\n", ++ (u64)bd.srcbus.addr, ++ cctl & PL080_CONTROL_SRC_INCR ? "+" : "", + bd.srcbus.buswidth, +- bd.dstbus.addr, cctl & PL080_CONTROL_DST_INCR ? "+" : "", ++ (u64)bd.dstbus.addr, ++ cctl & PL080_CONTROL_DST_INCR ? "+" : "", + bd.dstbus.buswidth, + bd.remainder); + dev_vdbg(&pl08x->adev->dev, "mbus=%s sbus=%s\n", +@@ -886,8 +891,8 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, + return 0; + } + +- if ((bd.srcbus.addr % bd.srcbus.buswidth) || +- (bd.dstbus.addr % bd.dstbus.buswidth)) { ++ if (!IS_BUS_ALIGNED(&bd.srcbus) || ++ !IS_BUS_ALIGNED(&bd.dstbus)) { + dev_err(&pl08x->adev->dev, + "%s src & dst address must be aligned to src" + " & dst width if peripheral is flow controller", +@@ -908,9 +913,9 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, + */ + if (bd.remainder < mbus->buswidth) + early_bytes = bd.remainder; +- else if ((mbus->addr) % (mbus->buswidth)) { +- early_bytes = mbus->buswidth - (mbus->addr) % +- (mbus->buswidth); ++ else if (!IS_BUS_ALIGNED(mbus)) { ++ early_bytes = mbus->buswidth - ++ (mbus->addr & (mbus->buswidth - 1)); + if ((bd.remainder - early_bytes) < mbus->buswidth) + early_bytes = bd.remainder; + } +@@ -928,7 +933,7 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, + * Master now aligned + * - if slave is not then we must set its width down + */ +- if (sbus->addr % sbus->buswidth) { ++ if (!IS_BUS_ALIGNED(sbus)) { + dev_dbg(&pl08x->adev->dev, + "%s set down bus width to one byte\n", + __func__); |