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-rw-r--r--target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/cns3xxx_fiq.S107
-rw-r--r--target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/gpio.c3
-rw-r--r--target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c93
-rw-r--r--target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/platsmp.c232
-rw-r--r--target/linux/cns3xxx/files/drivers/i2c/busses/i2c-cns3xxx.c54
-rw-r--r--target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c67
-rw-r--r--target/linux/cns3xxx/files/drivers/spi/spi-cns3xxx.c101
-rw-r--r--target/linux/cns3xxx/files/drivers/usb/dwc/otg_attr.c12
-rw-r--r--target/linux/cns3xxx/files/drivers/usb/dwc/otg_driver.c1
-rw-r--r--target/linux/cns3xxx/files/drivers/usb/dwc/otg_hcd.c2
-rw-r--r--target/linux/cns3xxx/files/drivers/usb/dwc/otg_hcd_queue.c2
-rw-r--r--target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.c1
-rw-r--r--target/linux/cns3xxx/files/include/linux/platform_data/cns3xxx.h (renamed from target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/platform.h)0
13 files changed, 337 insertions, 338 deletions
diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/cns3xxx_fiq.S b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/cns3xxx_fiq.S
index c02a382..b1155ef 100644
--- a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/cns3xxx_fiq.S
+++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/cns3xxx_fiq.S
@@ -20,77 +20,68 @@
* R10 - DMA Direction
* R11 - DMA type
* R12 - fiq_buffer Address
- * R13 - DMA type Address
*/
.global cns3xxx_fiq_end
ENTRY(cns3xxx_fiq_start)
- mov r8, #0
- str r8, [r13]
+ str r8, [r13]
- ldr r9, [r12]
- ldr r8, [r9]
- add r8, r8, #1
- str r8, [r9]
-
- ldmib r12, {r8, r9, r10}
- and r11, r10, #0x3000000
- and r10, r10, #0xff
-
- teq r11, #0x1000000
- beq cns3xxx_dma_map_area
- teq r11, #0x2000000
- beq cns3xxx_dma_unmap_area
- b cns3xxx_dma_flush_range
-
-cns3xxx_fiq_exit:
- mov r8, #0
- str r8, [r12, #12]
- mcr p15, 0, r8, c7, c10, 4 @ drain write buffer
- subs pc, lr, #4
-
-cns3xxx_dma_map_area:
- add r9, r9, r8
- teq r10, #DMA_FROM_DEVICE
- beq cns3xxx_dma_inv_range
- b cns3xxx_dma_clean_range
-
-cns3xxx_dma_unmap_area:
- add r9, r9, r8
- teq r10, #DMA_TO_DEVICE
- bne cns3xxx_dma_inv_range
- b cns3xxx_fiq_exit
+ ldmia r12, {r8, r9, r10}
+ and r11, r10, #0x3000000
+ and r10, r10, #0xff
+ teq r11, #0x1000000
+ beq cns3xxx_dma_map_area
+ teq r11, #0x2000000
+ beq cns3xxx_dma_unmap_area
+ /* fall through */
cns3xxx_dma_flush_range:
- bic r8, r8, #D_CACHE_LINE_SIZE - 1
+ bic r8, r8, #D_CACHE_LINE_SIZE - 1
1:
- mcr p15, 0, r8, c7, c14, 1 @ clean & invalidate D line
- add r8, r8, #D_CACHE_LINE_SIZE
- cmp r8, r9
- blo 1b
- b cns3xxx_fiq_exit
+ mcr p15, 0, r8, c7, c14, 1 @ clean & invalidate D line
+ add r8, r8, #D_CACHE_LINE_SIZE
+ cmp r8, r9
+ blo 1b
+ /* fall through */
+cns3xxx_fiq_exit:
+ mov r8, #0
+ str r8, [r12, #8]
+ mcr p15, 0, r8, c7, c10, 4 @ drain write buffer
+ subs pc, lr, #4
+cns3xxx_dma_map_area:
+ add r9, r9, r8
+ teq r10, #DMA_FROM_DEVICE
+ beq cns3xxx_dma_inv_range
+ teq r10, #DMA_TO_DEVICE
+ bne cns3xxx_dma_flush_range
+ /* fall through */
cns3xxx_dma_clean_range:
- bic r8, r8, #D_CACHE_LINE_SIZE - 1
+ bic r8, r8, #D_CACHE_LINE_SIZE - 1
1:
- mcr p15, 0, r8, c7, c10, 1 @ clean D line
- add r8, r8, #D_CACHE_LINE_SIZE
- cmp r8, r9
- blo 1b
- b cns3xxx_fiq_exit
+ mcr p15, 0, r8, c7, c10, 1 @ clean D line
+ add r8, r8, #D_CACHE_LINE_SIZE
+ cmp r8, r9
+ blo 1b
+ b cns3xxx_fiq_exit
+cns3xxx_dma_unmap_area:
+ add r9, r9, r8
+ teq r10, #DMA_TO_DEVICE
+ beq cns3xxx_fiq_exit
+ /* fall through */
cns3xxx_dma_inv_range:
- tst r8, #D_CACHE_LINE_SIZE - 1
- bic r8, r8, #D_CACHE_LINE_SIZE - 1
- mcrne p15, 0, r8, c7, c10, 1 @ clean D line
- tst r9, #D_CACHE_LINE_SIZE - 1
- bic r9, r9, #D_CACHE_LINE_SIZE - 1
- mcrne p15, 0, r9, c7, c14, 1 @ clean & invalidate D line
+ tst r8, #D_CACHE_LINE_SIZE - 1
+ bic r8, r8, #D_CACHE_LINE_SIZE - 1
+ mcrne p15, 0, r8, c7, c10, 1 @ clean D line
+ tst r9, #D_CACHE_LINE_SIZE - 1
+ bic r9, r9, #D_CACHE_LINE_SIZE - 1
+ mcrne p15, 0, r9, c7, c14, 1 @ clean & invalidate D line
1:
- mcr p15, 0, r8, c7, c6, 1 @ invalidate D line
- add r8, r8, #D_CACHE_LINE_SIZE
- cmp r8, r9
- blo 1b
- b cns3xxx_fiq_exit
+ mcr p15, 0, r8, c7, c6, 1 @ invalidate D line
+ add r8, r8, #D_CACHE_LINE_SIZE
+ cmp r8, r9
+ blo 1b
+ b cns3xxx_fiq_exit
cns3xxx_fiq_end:
diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/gpio.c b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/gpio.c
index 4f5d500..35434f8 100644
--- a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/gpio.c
+++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/gpio.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/irqchip/chained_irq.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/irq.h>
@@ -141,8 +142,6 @@ static void cns3xxx_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
{
struct cns3xxx_gpio_chip *cchip = irq_get_handler_data(irq);
struct irq_chip *chip = irq_get_chip(irq);
- struct irq_chip_generic *gc = irq_desc_get_chip_data(desc);
- struct irq_chip_type *ct = gc->chip_types;
u16 i;
u32 reg;
diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c
index 4903749..9021f3d 100644
--- a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c
+++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c
@@ -39,19 +39,19 @@
#include <linux/pps-gpio.h>
#include <linux/usb/ehci_pdriver.h>
#include <linux/usb/ohci_pdriver.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/platform_data/cns3xxx.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
-#include <mach/cns3xxx.h>
-#include <mach/irqs.h>
-#include <mach/platform.h>
-#include <mach/pm.h>
#include <mach/gpio.h>
-#include <asm/hardware/gic.h>
#include "core.h"
#include "devices.h"
+#include "cns3xxx.h"
+#include "pm.h"
#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
@@ -192,8 +192,16 @@ static struct spi_board_info __initdata laguna_spi_devices[] = {
},
};
+static struct resource laguna_spi_resource = {
+ .start = CNS3XXX_SSP_BASE + 0x40,
+ .end = CNS3XXX_SSP_BASE + 0x6f,
+ .flags = IORESOURCE_MEM,
+};
+
static struct platform_device laguna_spi_controller = {
.name = "cns3xxx_spi",
+ .resource = &laguna_spi_resource,
+ .num_resources = 1,
};
/*
@@ -314,9 +322,30 @@ static struct cns3xxx_plat_info laguna_net_data = {
},
};
+static struct resource laguna_net_resource[] = {
+ {
+ .name = "eth0_mem",
+ .start = CNS3XXX_SWITCH_BASE,
+ .end = CNS3XXX_SWITCH_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM
+ }, {
+ .name = "eth_rx",
+ .start = IRQ_CNS3XXX_SW_R0RXC,
+ .end = IRQ_CNS3XXX_SW_R0RXC,
+ .flags = IORESOURCE_IRQ
+ }, {
+ .name = "eth_stat",
+ .start = IRQ_CNS3XXX_SW_STATUS,
+ .end = IRQ_CNS3XXX_SW_STATUS,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
static struct platform_device laguna_net_device = {
.name = "cns3xxx_eth",
.id = 0,
+ .resource = laguna_net_resource,
+ .num_resources = ARRAY_SIZE(laguna_net_resource),
.dev.platform_data = &laguna_net_data,
};
@@ -361,29 +390,26 @@ static struct resource laguna_uart_resources[] = {
static struct plat_serial8250_port laguna_uart_data[] = {
{
- .membase = (char*) (CNS3XXX_UART0_BASE_VIRT),
.mapbase = (CNS3XXX_UART0_BASE),
.irq = IRQ_CNS3XXX_UART0,
.iotype = UPIO_MEM,
- .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST,
+ .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST | UPF_IOREMAP,
.regshift = 2,
.uartclk = 24000000,
.type = PORT_16550A,
},{
- .membase = (char*) (CNS3XXX_UART1_BASE_VIRT),
.mapbase = (CNS3XXX_UART1_BASE),
.irq = IRQ_CNS3XXX_UART1,
.iotype = UPIO_MEM,
- .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST,
+ .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST | UPF_IOREMAP,
.regshift = 2,
.uartclk = 24000000,
.type = PORT_16550A,
},{
- .membase = (char*) (CNS3XXX_UART2_BASE_VIRT),
.mapbase = (CNS3XXX_UART2_BASE),
.irq = IRQ_CNS3XXX_UART2,
.iotype = UPIO_MEM,
- .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST,
+ .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST | UPF_IOREMAP,
.regshift = 2,
.uartclk = 24000000,
.type = PORT_16550A,
@@ -526,7 +552,7 @@ static struct platform_device cns3xxx_usb_otg_device = {
static struct resource laguna_i2c_resource[] = {
{
.start = CNS3XXX_SSP_BASE + 0x20,
- .end = 0x7100003f,
+ .end = CNS3XXX_SSP_BASE + 0x3f,
.flags = IORESOURCE_MEM,
},{
.start = IRQ_CNS3XXX_I2C,
@@ -771,10 +797,37 @@ static struct gpio laguna_gpio_gw2380[] = {
*/
static void __init laguna_init(void)
{
+ struct clk *clk;
+ u32 __iomem *reg;
+
+ clk = clk_register_fixed_rate(NULL, "cpu", NULL,
+ CLK_IS_ROOT | CLK_IGNORE_UNUSED,
+ cns3xxx_cpu_clock() * (1000000 / 8));
+ clk_register_clkdev(clk, "cpu", NULL);
+
platform_device_register(&laguna_watchdog);
platform_device_register(&laguna_i2c_controller);
+ /* Set ext_int 0-3 drive strength to 21 mA */
+ reg = MISC_IO_PAD_DRIVE_STRENGTH_CTRL_B;
+ *reg |= 0x300;
+
+ /* Enable SCL/SDA for I2C */
+ reg = MISC_GPIOB_PIN_ENABLE_REG;
+ *reg |= BIT(12) | BIT(13);
+
+ /* Enable MMC/SD pins */
+ reg = MISC_GPIOA_PIN_ENABLE_REG;
+ *reg |= 0xf80;
+
+ cns3xxx_pwr_clk_en(1 << PM_CLK_GATE_REG_OFFSET_SPI_PCM_I2C);
+ cns3xxx_pwr_power_up(1 << PM_CLK_GATE_REG_OFFSET_SPI_PCM_I2C);
+ cns3xxx_pwr_soft_rst(1 << PM_CLK_GATE_REG_OFFSET_SPI_PCM_I2C);
+
+ cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SPI_PCM_I2C));
+ cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SPI_PCM_I2C));
+
i2c_register_board_info(0, ARRAY_AND_SIZE(laguna_i2c_devices));
pm_power_off = cns3xxx_power_off;
@@ -786,22 +839,12 @@ static struct map_desc laguna_io_desc[] __initdata = {
.pfn = __phys_to_pfn(CNS3XXX_UART0_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
- },{
- .virtual = CNS3XXX_UART1_BASE_VIRT,
- .pfn = __phys_to_pfn(CNS3XXX_UART1_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- },{
- .virtual = CNS3XXX_UART2_BASE_VIRT,
- .pfn = __phys_to_pfn(CNS3XXX_UART2_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
},
};
static void __init laguna_map_io(void)
{
- cns3xxx_common_init();
+ cns3xxx_map_io();
cns3xxx_pcie_iotable_init();
iotable_init(ARRAY_AND_SIZE(laguna_io_desc));
laguna_early_serial_setup();
@@ -1022,11 +1065,11 @@ static int __init laguna_model_setup(void)
late_initcall(laguna_model_setup);
MACHINE_START(GW2388, "Gateworks Corporation Laguna Platform")
+ .smp = smp_ops(cns3xxx_smp_ops),
.atag_offset = 0x100,
.map_io = laguna_map_io,
.init_irq = cns3xxx_init_irq,
- .timer = &cns3xxx_timer,
- .handle_irq = gic_handle_irq,
+ .init_time = cns3xxx_timer_init,
.init_machine = laguna_init,
.restart = cns3xxx_restart,
MACHINE_END
diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/platsmp.c b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/platsmp.c
index 77ac97a..5359885 100644
--- a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/platsmp.c
+++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/platsmp.c
@@ -21,46 +21,61 @@
#include <linux/io.h>
#include <asm/cacheflush.h>
-#include <asm/hardware/gic.h>
#include <asm/smp_scu.h>
#include <asm/unified.h>
#include <asm/fiq.h>
#include <mach/smp.h>
-#include <mach/cns3xxx.h>
+#include "cns3xxx.h"
static struct fiq_handler fh = {
.name = "cns3xxx-fiq"
};
-static unsigned int fiq_buffer[8];
+struct fiq_req {
+ union {
+ struct {
+ const void *addr;
+ size_t size;
+ } map;
+ struct {
+ const void *addr;
+ size_t size;
+ } unmap;
+ struct {
+ const void *start;
+ const void *end;
+ } flush;
+ };
+ volatile uint flags;
+ void __iomem *reg;
+} ____cacheline_aligned;
+
+extern unsigned int fiq_number[2];
+
+DEFINE_PER_CPU(struct fiq_req, fiq_data);
#define FIQ_ENABLED 0x80000000
-#define FIQ_GENERATE 0x00010000
+#define FIQ_GENERATE 0x00010000
#define CNS3XXX_MAP_AREA 0x01000000
#define CNS3XXX_UNMAP_AREA 0x02000000
#define CNS3XXX_FLUSH_RANGE 0x03000000
extern void cns3xxx_secondary_startup(void);
extern unsigned char cns3xxx_fiq_start, cns3xxx_fiq_end;
-extern unsigned int fiq_number[2];
-extern struct cpu_cache_fns cpu_cache;
-struct cpu_cache_fns cpu_cache_save;
#define SCU_CPU_STATUS 0x08
static void __iomem *scu_base;
-static void __init cns3xxx_set_fiq_regs(void)
+static inline void __cpuinit cns3xxx_set_fiq_regs(unsigned int cpu)
{
struct pt_regs FIQ_regs;
- unsigned int cpu = smp_processor_id();
-
- if (cpu) {
- FIQ_regs.ARM_ip = (unsigned int)&fiq_buffer[4];
- FIQ_regs.ARM_sp = (unsigned int)MISC_FIQ_CPU(0);
- } else {
- FIQ_regs.ARM_ip = (unsigned int)&fiq_buffer[0];
- FIQ_regs.ARM_sp = (unsigned int)MISC_FIQ_CPU(1);
- }
+ struct fiq_req *fiq_req = &per_cpu(fiq_data, !cpu);
+
+ FIQ_regs.ARM_r8 = 0;
+ FIQ_regs.ARM_ip = (unsigned int)fiq_req;
+ FIQ_regs.ARM_sp = (int) MISC_FIQ_CPU(!cpu);
+ fiq_req->reg = MISC_FIQ_CPU(!cpu);
+
set_fiq_regs(&FIQ_regs);
}
@@ -74,16 +89,10 @@ static void __init cns3xxx_init_fiq(void)
fiqhandler_length = &cns3xxx_fiq_end - &cns3xxx_fiq_start;
ret = claim_fiq(&fh);
-
- if (ret) {
+ if (ret)
return;
- }
set_fiq_handler(fiqhandler_start, fiqhandler_length);
- fiq_buffer[0] = (unsigned int)&fiq_number[0];
- fiq_buffer[3] = 0;
- fiq_buffer[4] = (unsigned int)&fiq_number[1];
- fiq_buffer[7] = 0;
}
@@ -105,16 +114,9 @@ static DEFINE_SPINLOCK(boot_lock);
static void __cpuinit cns3xxx_secondary_init(unsigned int cpu)
{
/*
- * if any interrupts are already enabled for the primary
- * core (e.g. timer irq), then they will not have been enabled
- * for us: do so
- */
- gic_secondary_init(0);
-
- /*
* Setup Secondary Core FIQ regs
*/
- cns3xxx_set_fiq_regs();
+ cns3xxx_set_fiq_regs(1);
/*
* let the primary processor know we're out of the
@@ -123,14 +125,6 @@ static void __cpuinit cns3xxx_secondary_init(unsigned int cpu)
write_pen_release(-1);
/*
- * Fixup DMA Operations
- *
- */
- cpu_cache.dma_map_area = (void *)smp_dma_map_area;
- cpu_cache.dma_unmap_area = (void *)smp_dma_unmap_area;
- cpu_cache.dma_flush_range = (void *)smp_dma_flush_range;
-
- /*
* Synchronise with the boot thread.
*/
spin_lock(&boot_lock);
@@ -162,7 +156,7 @@ static int __cpuinit cns3xxx_boot_secondary(unsigned int cpu, struct task_struct
* the boot monitor to read the system wide flags register,
* and branch to the address found there.
*/
- gic_raise_softirq(cpumask_of(cpu), 1);
+ arch_send_wakeup_ipi_mask(cpumask_of(cpu));;
timeout = jiffies + (1 * HZ);
while (time_before(jiffies, timeout)) {
@@ -204,8 +198,6 @@ static void __init cns3xxx_smp_init_cpus(void)
break;
}
ncores = i;
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init cns3xxx_smp_prepare_cpus(unsigned int max_cpus)
@@ -238,111 +230,105 @@ static void __init cns3xxx_smp_prepare_cpus(unsigned int max_cpus)
* Setup FIQ's for main cpu
*/
cns3xxx_init_fiq();
- cns3xxx_set_fiq_regs();
- memcpy((void *)&cpu_cache_save, (void *)&cpu_cache, sizeof(struct cpu_cache_fns));
+ cns3xxx_set_fiq_regs(0);
}
+extern void v6_dma_map_area(const void *, size_t, int);
+extern void v6_dma_unmap_area(const void *, size_t, int);
+extern void v6_dma_flush_range(const void *, const void *);
+extern void v6_flush_kern_dcache_area(void *, size_t);
-static inline unsigned long cns3xxx_cpu_id(void)
+void fiq_dma_map_area(const void *addr, size_t size, int dir)
{
- unsigned long cpu;
-
- asm volatile(
- " mrc p15, 0, %0, c0, c0, 5 @ cns3xxx_cpu_id\n"
- : "=r" (cpu) : : "memory", "cc");
- return (cpu & 0xf);
-}
-
-void smp_dma_map_area(const void *addr, size_t size, int dir)
-{
- unsigned int cpu;
unsigned long flags;
+ struct fiq_req *req;
+
raw_local_irq_save(flags);
- cpu = cns3xxx_cpu_id();
- if (cpu) {
- fiq_buffer[1] = (unsigned int)addr;
- fiq_buffer[2] = size;
- fiq_buffer[3] = dir | CNS3XXX_MAP_AREA | FIQ_ENABLED;
- smp_mb();
- __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(1));
-
- cpu_cache_save.dma_map_area(addr, size, dir);
- while ((fiq_buffer[3]) & FIQ_ENABLED) { barrier(); }
- } else {
-
- fiq_buffer[5] = (unsigned int)addr;
- fiq_buffer[6] = size;
- fiq_buffer[7] = dir | CNS3XXX_MAP_AREA | FIQ_ENABLED;
- smp_mb();
- __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(0));
-
- cpu_cache_save.dma_map_area(addr, size, dir);
- while ((fiq_buffer[7]) & FIQ_ENABLED) { barrier(); }
+ /* currently, not possible to take cpu0 down, so only check cpu1 */
+ if (!cpu_online(1)) {
+ raw_local_irq_restore(flags);
+ v6_dma_map_area(addr, size, dir);
+ return;
}
+
+ req = this_cpu_ptr(&fiq_data);
+ req->map.addr = addr;
+ req->map.size = size;
+ req->flags = dir | CNS3XXX_MAP_AREA;
+ smp_mb();
+
+ writel_relaxed(FIQ_GENERATE, req->reg);
+
+ v6_dma_map_area(addr, size, dir);
+ while (req->flags)
+ barrier();
+
raw_local_irq_restore(flags);
}
-void smp_dma_unmap_area(const void *addr, size_t size, int dir)
+void fiq_dma_unmap_area(const void *addr, size_t size, int dir)
{
- unsigned int cpu;
unsigned long flags;
+ struct fiq_req *req;
raw_local_irq_save(flags);
- cpu = cns3xxx_cpu_id();
- if (cpu) {
-
- fiq_buffer[1] = (unsigned int)addr;
- fiq_buffer[2] = size;
- fiq_buffer[3] = dir | CNS3XXX_UNMAP_AREA | FIQ_ENABLED;
- smp_mb();
- __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(1));
-
- cpu_cache_save.dma_unmap_area(addr, size, dir);
- while ((fiq_buffer[3]) & FIQ_ENABLED) { barrier(); }
- } else {
-
- fiq_buffer[5] = (unsigned int)addr;
- fiq_buffer[6] = size;
- fiq_buffer[7] = dir | CNS3XXX_UNMAP_AREA | FIQ_ENABLED;
- smp_mb();
- __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(0));
-
- cpu_cache_save.dma_unmap_area(addr, size, dir);
- while ((fiq_buffer[7]) & FIQ_ENABLED) { barrier(); }
+ /* currently, not possible to take cpu0 down, so only check cpu1 */
+ if (!cpu_online(1)) {
+ raw_local_irq_restore(flags);
+ v6_dma_unmap_area(addr, size, dir);
+ return;
}
+
+ req = this_cpu_ptr(&fiq_data);
+ req->unmap.addr = addr;
+ req->unmap.size = size;
+ req->flags = dir | CNS3XXX_UNMAP_AREA;
+ smp_mb();
+
+ writel_relaxed(FIQ_GENERATE, req->reg);
+
+ v6_dma_unmap_area(addr, size, dir);
+ while (req->flags)
+ barrier();
+
raw_local_irq_restore(flags);
}
-void smp_dma_flush_range(const void *start, const void *end)
+void fiq_dma_flush_range(const void *start, const void *end)
{
- unsigned int cpu;
unsigned long flags;
+ struct fiq_req *req;
+
raw_local_irq_save(flags);
- cpu = cns3xxx_cpu_id();
- if (cpu) {
-
- fiq_buffer[1] = (unsigned int)start;
- fiq_buffer[2] = (unsigned int)end;
- fiq_buffer[3] = CNS3XXX_FLUSH_RANGE | FIQ_ENABLED;
- smp_mb();
- __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(1));
-
- cpu_cache_save.dma_flush_range(start, end);
- while ((fiq_buffer[3]) & FIQ_ENABLED) { barrier(); }
- } else {
-
- fiq_buffer[5] = (unsigned int)start;
- fiq_buffer[6] = (unsigned int)end;
- fiq_buffer[7] = CNS3XXX_FLUSH_RANGE | FIQ_ENABLED;
- smp_mb();
- __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(0));
-
- cpu_cache_save.dma_flush_range(start, end);
- while ((fiq_buffer[7]) & FIQ_ENABLED) { barrier(); }
+ /* currently, not possible to take cpu0 down, so only check cpu1 */
+ if (!cpu_online(1)) {
+ raw_local_irq_restore(flags);
+ v6_dma_flush_range(start, end);
+ return;
}
+
+ req = this_cpu_ptr(&fiq_data);
+
+ req->flush.start = start;
+ req->flush.end = end;
+ req->flags = CNS3XXX_FLUSH_RANGE;
+ smp_mb();
+
+ writel_relaxed(FIQ_GENERATE, req->reg);
+
+ v6_dma_flush_range(start, end);
+
+ while (req->flags)
+ barrier();
+
raw_local_irq_restore(flags);
}
+void fiq_flush_kern_dcache_area(void *addr, size_t size)
+{
+ fiq_dma_flush_range(addr, addr + size);
+}
+
struct smp_operations cns3xxx_smp_ops __initdata = {
.smp_init_cpus = cns3xxx_smp_init_cpus,
.smp_prepare_cpus = cns3xxx_smp_prepare_cpus,
diff --git a/target/linux/cns3xxx/files/drivers/i2c/busses/i2c-cns3xxx.c b/target/linux/cns3xxx/files/drivers/i2c/busses/i2c-cns3xxx.c
index c3fd7c8..7acff37 100644
--- a/target/linux/cns3xxx/files/drivers/i2c/busses/i2c-cns3xxx.c
+++ b/target/linux/cns3xxx/files/drivers/i2c/busses/i2c-cns3xxx.c
@@ -21,28 +21,23 @@
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/slab.h>
-#include <mach/pm.h>
-#include <mach/cns3xxx.h>
+#include <linux/clk.h>
/*
* We need the memory map
*/
-
-#define MISC_MEM_MAP_VALUE(reg_offset) (*((uint32_t volatile *)(CNS3XXX_MISC_BASE_VIRT + reg_offset)))
-#define MISC_IOCDB_CTRL MISC_MEM_MAP_VALUE(0x020)
-
-#define I2C_MEM_MAP_ADDR(x) (CNS3XXX_SSP_BASE_VIRT + x)
+#define I2C_MEM_MAP_ADDR(x) (i2c->base + x)
#define I2C_MEM_MAP_VALUE(x) (*((unsigned int volatile*)I2C_MEM_MAP_ADDR(x)))
-#define I2C_CONTROLLER_REG I2C_MEM_MAP_VALUE(0x20)
-#define I2C_TIME_OUT_REG I2C_MEM_MAP_VALUE(0x24)
-#define I2C_SLAVE_ADDRESS_REG I2C_MEM_MAP_VALUE(0x28)
-#define I2C_WRITE_DATA_REG I2C_MEM_MAP_VALUE(0x2C)
-#define I2C_READ_DATA_REG I2C_MEM_MAP_VALUE(0x30)
-#define I2C_INTERRUPT_STATUS_REG I2C_MEM_MAP_VALUE(0x34)
-#define I2C_INTERRUPT_ENABLE_REG I2C_MEM_MAP_VALUE(0x38)
-#define I2C_TWI_OUT_DLY_REG I2C_MEM_MAP_VALUE(0x3C)
+#define I2C_CONTROLLER_REG I2C_MEM_MAP_VALUE(0x00)
+#define I2C_TIME_OUT_REG I2C_MEM_MAP_VALUE(0x04)
+#define I2C_SLAVE_ADDRESS_REG I2C_MEM_MAP_VALUE(0x08)
+#define I2C_WRITE_DATA_REG I2C_MEM_MAP_VALUE(0x0C)
+#define I2C_READ_DATA_REG I2C_MEM_MAP_VALUE(0x10)
+#define I2C_INTERRUPT_STATUS_REG I2C_MEM_MAP_VALUE(0x14)
+#define I2C_INTERRUPT_ENABLE_REG I2C_MEM_MAP_VALUE(0x18)
+#define I2C_TWI_OUT_DLY_REG I2C_MEM_MAP_VALUE(0x1C)
#define I2C_BUS_ERROR_FLAG (0x1)
#define I2C_ACTION_DONE_FLAG (0x2)
@@ -203,24 +198,18 @@ static struct i2c_adapter cns3xxx_i2c_adapter = {
static void cns3xxx_i2c_adapter_init(struct cns3xxx_i2c *i2c)
{
- cns3xxx_pwr_clk_en(1 << PM_CLK_GATE_REG_OFFSET_SPI_PCM_I2C);
- cns3xxx_pwr_power_up(1 << PM_CLK_GATE_REG_OFFSET_SPI_PCM_I2C);
- cns3xxx_pwr_soft_rst(1 << PM_CLK_GATE_REG_OFFSET_SPI_PCM_I2C);
+ struct clk *clk;
+
+ clk = devm_clk_get(i2c->dev, "cpu");
+ if (WARN_ON(!clk))
+ return;
/* Disable the I2C */
I2C_CONTROLLER_REG = 0; /* Disabled the I2C */
- //enable SCL and SDA which share pin with GPIOB_PIN_EN(0x18)
- //GPIOB[12]: SCL
- //GPIOB[13]: SDA
- (*(u32*)(CNS3XXX_MISC_BASE_VIRT+0x18)) |= ((1<<12)|(1<<13));
-
- MISC_IOCDB_CTRL &= ~0x300;
- MISC_IOCDB_CTRL |= 0x300; //21mA...
-
/* Check the Reg Dump when testing */
I2C_TIME_OUT_REG =
- ((((((cns3xxx_cpu_clock()*(1000000/8)) / (2 * CNS3xxx_I2C_CLK)) -
+ (((((clk_get_rate(clk) / (2 * CNS3xxx_I2C_CLK)) -
1) & 0x3FF) << 8) | (1 << 7) | 0x7F);
I2C_TWI_OUT_DLY_REG |= 0x3;
@@ -358,20 +347,9 @@ static int cns3xxx_i2c_remove(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM
-#warning "CONFIG_PM defined: suspend and resume not implemented"
-#define cns3xxx_i2c_suspend NULL
-#define cns3xxx_i2c_resume NULL
-#else
-#define cns3xxx_i2c_suspend NULL
-#define cns3xxx_i2c_resume NULL
-#endif
-
static struct platform_driver cns3xxx_i2c_driver = {
.probe = cns3xxx_i2c_probe,
.remove = cns3xxx_i2c_remove,
- .suspend = cns3xxx_i2c_suspend,
- .resume = cns3xxx_i2c_resume,
.driver = {
.owner = THIS_MODULE,
.name = "cns3xxx-i2c",
diff --git a/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c b/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c
index bbbbf5c..b7e3758 100644
--- a/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c
+++ b/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c
@@ -20,9 +20,8 @@
#include <linux/kernel.h>
#include <linux/phy.h>
#include <linux/platform_device.h>
+#include <linux/platform_data/cns3xxx.h>
#include <linux/skbuff.h>
-#include <mach/irqs.h>
-#include <mach/platform.h>
#define DRV_NAME "cns3xxx_eth"
@@ -282,7 +281,6 @@ struct _rx_ring {
};
struct sw {
- struct resource *mem_res;
struct switch_regs __iomem *regs;
struct napi_struct napi;
struct cns3xxx_plat_info *plat;
@@ -290,6 +288,8 @@ struct sw {
struct _rx_ring rx_ring;
struct sk_buff *frag_first;
struct sk_buff *frag_last;
+ int rx_irq;
+ int stat_irq;
};
struct port {
@@ -377,14 +377,14 @@ static int cns3xxx_mdio_write(struct mii_bus *bus, int phy_id, int location,
return ret;
}
-static int cns3xxx_mdio_register(void)
+static int cns3xxx_mdio_register(void __iomem *base)
{
int err;
if (!(mdio_bus = mdiobus_alloc()))
return -ENOMEM;
- mdio_regs = (struct switch_regs __iomem *)CNS3XXX_SWITCH_BASE_VIRT;
+ mdio_regs = base;
spin_lock_init(&mdio_lock);
mdio_bus->name = "CNS3xxx MII Bus";
@@ -441,7 +441,7 @@ static void eth_schedule_poll(struct sw *sw)
if (unlikely(!napi_schedule_prep(&sw->napi)))
return;
- disable_irq_nosync(IRQ_CNS3XXX_SW_R0RXC);
+ disable_irq_nosync(sw->rx_irq);
__napi_schedule(&sw->napi);
}
@@ -716,7 +716,7 @@ static int eth_poll(struct napi_struct *napi, int budget)
rx_ring->cur_index = i;
if (!received) {
napi_complete(napi);
- enable_irq(IRQ_CNS3XXX_SW_R0RXC);
+ enable_irq(sw->rx_irq);
/* if rx descriptors are full schedule another poll */
if (rx_ring->desc[(i-1) & (RX_DESCS-1)].cown)
@@ -1007,8 +1007,8 @@ static int eth_open(struct net_device *dev)
netif_start_queue(dev);
if (!ports_open) {
- request_irq(IRQ_CNS3XXX_SW_R0RXC, eth_rx_irq, IRQF_SHARED, "gig_switch", napi_dev);
- request_irq(IRQ_CNS3XXX_SW_STATUS, eth_stat_irq, IRQF_SHARED, "gig_stat", napi_dev);
+ request_irq(sw->rx_irq, eth_rx_irq, IRQF_SHARED, "gig_switch", napi_dev);
+ request_irq(sw->stat_irq, eth_stat_irq, IRQF_SHARED, "gig_stat", napi_dev);
napi_enable(&sw->napi);
netif_start_queue(napi_dev);
@@ -1052,10 +1052,10 @@ static int eth_close(struct net_device *dev)
phy_stop(port->phydev);
if (!ports_open) {
- disable_irq(IRQ_CNS3XXX_SW_R0RXC);
- free_irq(IRQ_CNS3XXX_SW_R0RXC, napi_dev);
- disable_irq(IRQ_CNS3XXX_SW_STATUS);
- free_irq(IRQ_CNS3XXX_SW_STATUS, napi_dev);
+ disable_irq(sw->rx_irq);
+ free_irq(sw->rx_irq, napi_dev);
+ disable_irq(sw->stat_irq);
+ free_irq(sw->stat_irq, napi_dev);
napi_disable(&sw->napi);
netif_stop_queue(napi_dev);
temp = __raw_readl(&sw->regs->mac_cfg[2]);
@@ -1172,26 +1172,36 @@ static int eth_init_one(struct platform_device *pdev)
struct sw *sw;
struct net_device *dev;
struct cns3xxx_plat_info *plat = pdev->dev.platform_data;
- u32 regs_phys;
char phy_id[MII_BUS_ID_SIZE + 3];
int err;
u32 temp;
+ struct resource *res;
+ void __iomem *regs;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ regs = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(regs))
+ return PTR_ERR(regs);
+
+ err = cns3xxx_mdio_register(regs);
+ if (err)
+ return err;
+
+ if (!(napi_dev = alloc_etherdev(sizeof(struct sw)))) {
+ err = -ENOMEM;
+ goto err_remove_mdio;
+ }
- if (!(napi_dev = alloc_etherdev(sizeof(struct sw))))
- return -ENOMEM;
strcpy(napi_dev->name, "switch%d");
napi_dev->features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_FRAGLIST;
SET_NETDEV_DEV(napi_dev, &pdev->dev);
sw = netdev_priv(napi_dev);
memset(sw, 0, sizeof(struct sw));
- sw->regs = (struct switch_regs __iomem *)CNS3XXX_SWITCH_BASE_VIRT;
- regs_phys = CNS3XXX_SWITCH_BASE;
- sw->mem_res = request_mem_region(regs_phys, REGS_SIZE, napi_dev->name);
- if (!sw->mem_res) {
- err = -EBUSY;
- goto err_free;
- }
+ sw->regs = regs;
+
+ sw->rx_irq = platform_get_irq_byname(pdev, "eth_rx");
+ sw->stat_irq = platform_get_irq_byname(pdev, "eth_stat");
temp = __raw_readl(&sw->regs->phy_auto_addr);
temp |= (3 << 30); /* maximum frame length: 9600 bytes */
@@ -1252,7 +1262,7 @@ static int eth_init_one(struct platform_device *pdev)
memcpy(dev->dev_addr, &plat->hwaddr[i], ETH_ALEN);
snprintf(phy_id, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, "0", plat->phy[i]);
- port->phydev = phy_connect(dev, phy_id, &cns3xxx_adjust_link, 0,
+ port->phydev = phy_connect(dev, phy_id, &cns3xxx_adjust_link,
PHY_INTERFACE_MODE_RGMII);
if ((err = IS_ERR(port->phydev))) {
switch_port_tab[port->id] = 0;
@@ -1290,6 +1300,8 @@ free_ports:
}
err_free:
free_netdev(napi_dev);
+err_remove_mdio:
+ cns3xxx_mdio_remove();
return err;
}
@@ -1311,8 +1323,9 @@ static int eth_remove_one(struct platform_device *pdev)
}
}
- release_resource(sw->mem_res);
free_netdev(napi_dev);
+ cns3xxx_mdio_remove();
+
return 0;
}
@@ -1324,16 +1337,12 @@ static struct platform_driver cns3xxx_eth_driver = {
static int __init eth_init_module(void)
{
- int err;
- if ((err = cns3xxx_mdio_register()))
- return err;
return platform_driver_register(&cns3xxx_eth_driver);
}
static void __exit eth_cleanup_module(void)
{
platform_driver_unregister(&cns3xxx_eth_driver);
- cns3xxx_mdio_remove();
}
module_init(eth_init_module);
diff --git a/target/linux/cns3xxx/files/drivers/spi/spi-cns3xxx.c b/target/linux/cns3xxx/files/drivers/spi/spi-cns3xxx.c
index 2642639..6301986 100644
--- a/target/linux/cns3xxx/files/drivers/spi/spi-cns3xxx.c
+++ b/target/linux/cns3xxx/files/drivers/spi/spi-cns3xxx.c
@@ -45,30 +45,28 @@
#include <asm/memory.h>
#include <asm/dma.h>
#include <asm/delay.h>
-#include <mach/cns3xxx.h>
#include <linux/module.h>
-#include <mach/pm.h>
/*
* define access macros
*/
-#define SPI_MEM_MAP_VALUE(reg_offset) (*((u32 volatile *)(CNS3XXX_SSP_BASE_VIRT + reg_offset)))
-
-#define SPI_CONFIGURATION_REG SPI_MEM_MAP_VALUE(0x40)
-#define SPI_SERVICE_STATUS_REG SPI_MEM_MAP_VALUE(0x44)
-#define SPI_BIT_RATE_CONTROL_REG SPI_MEM_MAP_VALUE(0x48)
-#define SPI_TRANSMIT_CONTROL_REG SPI_MEM_MAP_VALUE(0x4C)
-#define SPI_TRANSMIT_BUFFER_REG SPI_MEM_MAP_VALUE(0x50)
-#define SPI_RECEIVE_CONTROL_REG SPI_MEM_MAP_VALUE(0x54)
-#define SPI_RECEIVE_BUFFER_REG SPI_MEM_MAP_VALUE(0x58)
-#define SPI_FIFO_TRANSMIT_CONFIG_REG SPI_MEM_MAP_VALUE(0x5C)
-#define SPI_FIFO_TRANSMIT_CONTROL_REG SPI_MEM_MAP_VALUE(0x60)
-#define SPI_FIFO_RECEIVE_CONFIG_REG SPI_MEM_MAP_VALUE(0x64)
-#define SPI_INTERRUPT_STATUS_REG SPI_MEM_MAP_VALUE(0x68)
-#define SPI_INTERRUPT_ENABLE_REG SPI_MEM_MAP_VALUE(0x6C)
-
-#define SPI_TRANSMIT_BUFFER_REG_ADDR (CNS3XXX_SSP_BASE +0x50)
-#define SPI_RECEIVE_BUFFER_REG_ADDR (CNS3XXX_SSP_BASE +0x58)
+#define SPI_MEM_MAP_VALUE(reg_offset) (*((u32 volatile *)(hw->base + reg_offset)))
+
+#define SPI_CONFIGURATION_REG SPI_MEM_MAP_VALUE(0x00)
+#define SPI_SERVICE_STATUS_REG SPI_MEM_MAP_VALUE(0x04)
+#define SPI_BIT_RATE_CONTROL_REG SPI_MEM_MAP_VALUE(0x08)
+#define SPI_TRANSMIT_CONTROL_REG SPI_MEM_MAP_VALUE(0x0C)
+#define SPI_TRANSMIT_BUFFER_REG SPI_MEM_MAP_VALUE(0x10)
+#define SPI_RECEIVE_CONTROL_REG SPI_MEM_MAP_VALUE(0x14)
+#define SPI_RECEIVE_BUFFER_REG SPI_MEM_MAP_VALUE(0x18)
+#define SPI_FIFO_TRANSMIT_CONFIG_REG SPI_MEM_MAP_VALUE(0x1C)
+#define SPI_FIFO_TRANSMIT_CONTROL_REG SPI_MEM_MAP_VALUE(0x20)
+#define SPI_FIFO_RECEIVE_CONFIG_REG SPI_MEM_MAP_VALUE(0x24)
+#define SPI_INTERRUPT_STATUS_REG SPI_MEM_MAP_VALUE(0x28)
+#define SPI_INTERRUPT_ENABLE_REG SPI_MEM_MAP_VALUE(0x2C)
+
+#define SPI_TRANSMIT_BUFFER_REG_ADDR (CNS3XXX_SSP_BASE +0x10)
+#define SPI_RECEIVE_BUFFER_REG_ADDR (CNS3XXX_SSP_BASE +0x18)
/* Structure for SPI controller of CNS3XXX SOCs */
struct cns3xxx_spi {
@@ -85,42 +83,43 @@ struct cns3xxx_spi {
const unsigned char *tx;
unsigned char *rx;
+ void __iomem *base;
struct spi_master *master;
struct platform_device *pdev;
struct device *dev;
};
-static inline u8 cns3xxx_spi_bus_idle(void)
+static inline u8 cns3xxx_spi_bus_idle(struct cns3xxx_spi *hw)
{
return ((SPI_SERVICE_STATUS_REG & 0x1) ? 0 : 1);
}
-static inline u8 cns3xxx_spi_tx_buffer_empty(void)
+static inline u8 cns3xxx_spi_tx_buffer_empty(struct cns3xxx_spi *hw)
{
return ((SPI_INTERRUPT_STATUS_REG & (0x1 << 3)) ? 1 : 0);
}
-static inline u8 cns3xxx_spi_rx_buffer_full(void)
+static inline u8 cns3xxx_spi_rx_buffer_full(struct cns3xxx_spi *hw)
{
return ((SPI_INTERRUPT_STATUS_REG & (0x1 << 2)) ? 1 : 0);
}
-u8 cns3xxx_spi_tx_rx(u8 tx_channel, u8 tx_eof, u32 tx_data,
- u32 * rx_data)
+u8 cns3xxx_spi_tx_rx(struct cns3xxx_spi *hw, u8 tx_channel, u8 tx_eof,
+ u32 tx_data, u32 * rx_data)
{
u8 rx_channel;
u8 rx_eof;
- while (!cns3xxx_spi_bus_idle()) ; // do nothing
+ while (!cns3xxx_spi_bus_idle(hw)) ; // do nothing
- while (!cns3xxx_spi_tx_buffer_empty()) ; // do nothing
+ while (!cns3xxx_spi_tx_buffer_empty(hw)) ; // do nothing
SPI_TRANSMIT_CONTROL_REG &= ~(0x7);
SPI_TRANSMIT_CONTROL_REG |= (tx_channel & 0x3) | ((tx_eof & 0x1) << 2);
SPI_TRANSMIT_BUFFER_REG = tx_data;
- while (!cns3xxx_spi_rx_buffer_full()) ; // do nothing
+ while (!cns3xxx_spi_rx_buffer_full(hw)) ; // do nothing
rx_channel = SPI_RECEIVE_CONTROL_REG & 0x3;
rx_eof = (SPI_RECEIVE_CONTROL_REG & (0x1 << 2)) ? 1 : 0;
@@ -134,12 +133,12 @@ u8 cns3xxx_spi_tx_rx(u8 tx_channel, u8 tx_eof, u32 tx_data,
}
}
-u8 cns3xxx_spi_tx(u8 tx_channel, u8 tx_eof, u32 tx_data)
+u8 cns3xxx_spi_tx(struct cns3xxx_spi *hw, u8 tx_channel, u8 tx_eof, u32 tx_data)
{
- while (!cns3xxx_spi_bus_idle()) ; // do nothing
+ while (!cns3xxx_spi_bus_idle(hw)) ; // do nothing
- while (!cns3xxx_spi_tx_buffer_empty()) ; // do nothing
+ while (!cns3xxx_spi_tx_buffer_empty(hw)) ; // do nothing
SPI_TRANSMIT_CONTROL_REG &= ~(0x7);
SPI_TRANSMIT_CONTROL_REG |= (tx_channel & 0x3) | ((tx_eof & 0x1) << 2);
@@ -162,6 +161,7 @@ static int cns3xxx_spi_setup_transfer(struct spi_device *spi,
static void cns3xxx_spi_chipselect(struct spi_device *spi, int value)
{
+ struct cns3xxx_spi *hw = to_hw(spi);
unsigned int spi_config;
switch (value) {
@@ -221,7 +221,7 @@ static int cns3xxx_spi_txrx(struct spi_device *spi, struct spi_transfer *t)
dev_dbg(&spi->dev,
"[SPI_CNS3XXX_DEBUG] hw->tx[%02d]: 0x%02x\n", i,
hw->tx[i]);
- cns3xxx_spi_tx_rx(spi->chip_select, 0, hw->tx[i],
+ cns3xxx_spi_tx_rx(hw, spi->chip_select, 0, hw->tx[i],
&rx_data);
if (hw->rx) {
hw->rx[i] = rx_data;
@@ -232,7 +232,7 @@ static int cns3xxx_spi_txrx(struct spi_device *spi, struct spi_transfer *t)
}
if (t->last_in_message_list) {
- cns3xxx_spi_tx_rx(spi->chip_select, 1, hw->tx[i],
+ cns3xxx_spi_tx_rx(hw, spi->chip_select, 1, hw->tx[i],
&rx_data);
if (hw->rx) {
hw->rx[i] = rx_data;
@@ -241,7 +241,7 @@ static int cns3xxx_spi_txrx(struct spi_device *spi, struct spi_transfer *t)
i, hw->rx[i]);
}
} else {
- cns3xxx_spi_tx_rx(spi->chip_select, 0, hw->tx[i],
+ cns3xxx_spi_tx_rx(hw, spi->chip_select, 0, hw->tx[i],
&rx_data);
}
goto done;
@@ -251,7 +251,7 @@ static int cns3xxx_spi_txrx(struct spi_device *spi, struct spi_transfer *t)
int i;
u32 rx_data;
for (i = 0; i < (hw->len - 1); i++) {
- cns3xxx_spi_tx_rx(spi->chip_select, 0, 0xff, &rx_data);
+ cns3xxx_spi_tx_rx(hw, spi->chip_select, 0, 0xff, &rx_data);
hw->rx[i] = rx_data;
dev_dbg(&spi->dev,
"[SPI_CNS3XXX_DEBUG] hw->rx[%02d]: 0x%02x\n", i,
@@ -259,9 +259,9 @@ static int cns3xxx_spi_txrx(struct spi_device *spi, struct spi_transfer *t)
}
if (t->last_in_message_list) {
- cns3xxx_spi_tx_rx(spi->chip_select, 1, 0xff, &rx_data);
+ cns3xxx_spi_tx_rx(hw, spi->chip_select, 1, 0xff, &rx_data);
} else {
- cns3xxx_spi_tx_rx(spi->chip_select, 0, 0xff, &rx_data);
+ cns3xxx_spi_tx_rx(hw, spi->chip_select, 0, 0xff, &rx_data);
}
hw->rx[i] = rx_data;
dev_dbg(&spi->dev, "[SPI_CNS3XXX_DEBUG] hw->rx[%02d]: 0x%02x\n",
@@ -271,21 +271,8 @@ done:
return hw->len;
}
-static void __init cns3xxx_spi_initial(void)
+static void __init cns3xxx_spi_initial(struct cns3xxx_spi *hw)
{
- u32 __iomem *gpiob = (void __iomem *) (CNS3XXX_MISC_BASE_VIRT + 0x0018);
- u32 gpiob_pins = __raw_readl(gpiob);
-
- /* MMC/SD pins share with GPIOA */
- gpiob_pins |= 0xf80;
- __raw_writel(gpiob_pins, gpiob);
-
- /* share pin config. */
- //PM_PLL_HM_PD_CTRL_REG &= ~(0x1 << 5);
- //HAL_MISC_ENABLE_SPI_PINS();
- cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SPI_PCM_I2C));
- cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SPI_PCM_I2C));
-
SPI_CONFIGURATION_REG = (((0x0 & 0x3) << 0) | /* 8bits shift length */
(0x0 << 9) | /* SPI mode */
(0x0 << 10) | /* disable FIFO */
@@ -328,10 +315,15 @@ static int cns3xxx_spi_probe(struct platform_device *pdev)
{
struct spi_master *master;
struct cns3xxx_spi *hw;
+ struct resource *res;
int err = 0;
printk("%s: setup CNS3XXX SPI Controller\n", __FUNCTION__);
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
+
/* Allocate master with space for cns3xxx_spi */
master = spi_alloc_master(&pdev->dev, sizeof(struct cns3xxx_spi));
if (master == NULL) {
@@ -346,6 +338,13 @@ static int cns3xxx_spi_probe(struct platform_device *pdev)
hw->master = spi_master_get(master);
hw->dev = &pdev->dev;
+ hw->base = devm_ioremap_resource(hw->dev, res);
+ if (IS_ERR(hw->base)) {
+ dev_err(hw->dev, "Unable to map registers\n");
+ err = PTR_ERR(hw->base);
+ goto err_register;
+ }
+
platform_set_drvdata(pdev, hw);
init_completion(&hw->done);
@@ -365,7 +364,7 @@ static int cns3xxx_spi_probe(struct platform_device *pdev)
dev_dbg(hw->dev, "bitbang at %p\n", &hw->bitbang);
/* SPI controller initializations */
- cns3xxx_spi_initial();
+ cns3xxx_spi_initial(hw);
/* register SPI controller */
diff --git a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_attr.c b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_attr.c
index 45d0678..3fb67b9 100644
--- a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_attr.c
+++ b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_attr.c
@@ -694,7 +694,7 @@ static ssize_t regdump_show( struct device *_dev,
return sprintf( buf, "Register Dump\n" );
}
-DEVICE_ATTR(regdump, S_IRUGO|S_IWUSR, regdump_show, 0);
+DEVICE_ATTR(regdump, S_IRUGO, regdump_show, 0);
/**
* Dump global registers and either host or device registers (depending on the
@@ -711,7 +711,7 @@ static ssize_t spramdump_show( struct device *_dev,
return sprintf( buf, "SPRAM Dump\n" );
}
-DEVICE_ATTR(spramdump, S_IRUGO|S_IWUSR, spramdump_show, 0);
+DEVICE_ATTR(spramdump, S_IRUGO, spramdump_show, 0);
/**
* Dump the current hcd state.
@@ -729,7 +729,7 @@ static ssize_t hcddump_show( struct device *_dev,
return sprintf( buf, "HCD Dump\n" );
}
-DEVICE_ATTR(hcddump, S_IRUGO|S_IWUSR, hcddump_show, 0);
+DEVICE_ATTR(hcddump, S_IRUGO, hcddump_show, 0);
/**
* Dump the average frame remaining at SOF. This can be used to
@@ -748,7 +748,7 @@ static ssize_t hcd_frrem_show( struct device *_dev,
return sprintf( buf, "HCD Dump Frame Remaining\n" );
}
-DEVICE_ATTR(hcd_frrem, S_IRUGO|S_IWUSR, hcd_frrem_show, 0);
+DEVICE_ATTR(hcd_frrem, S_IRUGO, hcd_frrem_show, 0);
/**
* Displays the time required to read the GNPTXFSIZ register many times (the
@@ -777,7 +777,7 @@ static ssize_t rd_reg_test_show( struct device *_dev,
RW_REG_COUNT, time * MSEC_PER_JIFFIE, time );
}
-DEVICE_ATTR(rd_reg_test, S_IRUGO|S_IWUSR, rd_reg_test_show, 0);
+DEVICE_ATTR(rd_reg_test, S_IRUGO, rd_reg_test_show, 0);
/**
* Displays the time required to write the GNPTXFSIZ register many times (the
@@ -806,7 +806,7 @@ static ssize_t wr_reg_test_show( struct device *_dev,
RW_REG_COUNT, time * MSEC_PER_JIFFIE, time);
}
-DEVICE_ATTR(wr_reg_test, S_IRUGO|S_IWUSR, wr_reg_test_show, 0);
+DEVICE_ATTR(wr_reg_test, S_IRUGO, wr_reg_test_show, 0);
/**@}*/
/**
diff --git a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_driver.c b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_driver.c
index f1fece8..549c6eb 100644
--- a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_driver.c
+++ b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_driver.c
@@ -63,7 +63,6 @@
#include <asm/io.h>
#include <asm/sizes.h>
-#include <mach/pm.h>
#include "otg_plat.h"
#include "otg_attr.h"
diff --git a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_hcd.c b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_hcd.c
index 5f33fa5..9c1d04f 100644
--- a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_hcd.c
+++ b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_hcd.c
@@ -51,8 +51,6 @@
#include <linux/dma-mapping.h>
#include <linux/version.h>
-#include <mach/irqs.h>
-
#include "otg_driver.h"
#include "otg_hcd.h"
#include "otg_regs.h"
diff --git a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_hcd_queue.c b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_hcd_queue.c
index 6e7b53c..aaed49d 100644
--- a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_hcd_queue.c
+++ b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_hcd_queue.c
@@ -49,8 +49,6 @@
#include <linux/string.h>
#include <linux/version.h>
-#include <mach/irqs.h>
-
#include "otg_driver.h"
#include "otg_hcd.h"
#include "otg_regs.h"
diff --git a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.c b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.c
index 823989a..967997c 100644
--- a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.c
+++ b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.c
@@ -75,7 +75,6 @@
#include <linux/dma-mapping.h>
#include <linux/version.h>
-#include <mach/irqs.h>
#include <linux/usb/ch9.h>
//#include <linux/usb_gadget.h>
diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/platform.h b/target/linux/cns3xxx/files/include/linux/platform_data/cns3xxx.h
index f286d0d..f286d0d 100644
--- a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/platform.h
+++ b/target/linux/cns3xxx/files/include/linux/platform_data/cns3xxx.h