diff options
Diffstat (limited to 'arch/arm/mach-msm')
39 files changed, 2267 insertions, 321 deletions
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig index dbbcfeb919db..5d3d9ade12fb 100644 --- a/arch/arm/mach-msm/Kconfig +++ b/arch/arm/mach-msm/Kconfig @@ -40,15 +40,20 @@ config ARCH_MSM8X60 bool "MSM8X60" select MACH_MSM8X60_SURF if (!MACH_MSM8X60_RUMI3 && !MACH_MSM8X60_SIM \ && !MACH_MSM8X60_FFA) + select ARCH_MSM_SCORPIONMP select ARM_GIC select CPU_V7 select MSM_V2_TLMM select MSM_GPIOMUX + select IOMMU_API + select MSM_SCM if SMP endchoice config MSM_SOC_REV_A bool +config ARCH_MSM_SCORPIONMP + bool config ARCH_MSM_ARM11 bool @@ -122,6 +127,10 @@ config MACH_MSM8X60_FFA endmenu +config IOMMU_PGTABLES_L2 + def_bool y + depends on ARCH_MSM8X60 && MMU && SMP && CPU_DCACHE_DISABLE=n + config MSM_DEBUG_UART int default 1 if MSM_DEBUG_UART1 @@ -162,4 +171,10 @@ config MSM_GPIOMUX config MSM_V2_TLMM bool + +config IOMMU_API + bool + +config MSM_SCM + bool endif diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile index b5a7b07a44f5..94195c190e13 100644 --- a/arch/arm/mach-msm/Makefile +++ b/arch/arm/mach-msm/Makefile @@ -18,8 +18,13 @@ obj-$(CONFIG_MSM_PROC_COMM) += clock.o obj-$(CONFIG_ARCH_QSD8X50) += sirc.o obj-$(CONFIG_MSM_SMD) += smd.o smd_debug.o obj-$(CONFIG_MSM_SMD) += last_radio_log.o +obj-$(CONFIG_MSM_SCM) += scm.o scm-boot.o + +obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o +obj-$(CONFIG_SMP) += headsmp.o platsmp.o obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o board-trout-mmc.o devices-msm7x00.o +obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o board-trout-mmc.o board-trout-panel.o devices-msm7x00.o obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o devices-msm7x00.o obj-$(CONFIG_ARCH_MSM7X30) += board-msm7x30.o devices-msm7x30.o obj-$(CONFIG_ARCH_QSD8X50) += board-qsd8x50.o devices-qsd8x50.o @@ -28,6 +33,8 @@ obj-$(CONFIG_ARCH_MSM8X60) += board-msm8x60.o obj-$(CONFIG_ARCH_MSM7X30) += gpiomux-7x30.o gpiomux-v1.o gpiomux.o obj-$(CONFIG_ARCH_QSD8X50) += gpiomux-8x50.o gpiomux-v1.o gpiomux.o obj-$(CONFIG_ARCH_MSM8X60) += gpiomux-8x60.o gpiomux-v2.o gpiomux.o -ifndef CONFIG_MSM_V2_TLMM +ifdef CONFIG_MSM_V2_TLMM +obj-y += gpio-v2.o +else obj-y += gpio.o endif diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c index 05241df3f9b6..6f3b9735e970 100644 --- a/arch/arm/mach-msm/board-msm7x30.c +++ b/arch/arm/mach-msm/board-msm7x30.c @@ -22,6 +22,7 @@ #include <linux/delay.h> #include <linux/io.h> #include <linux/smsc911x.h> +#include <linux/usb/msm_hsusb.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -39,11 +40,26 @@ extern struct sys_timer msm_timer; +static int hsusb_phy_init_seq[] = { + 0x30, 0x32, /* Enable and set Pre-Emphasis Depth to 20% */ + 0x02, 0x36, /* Disable CDR Auto Reset feature */ + -1 +}; + +static struct msm_otg_platform_data msm_otg_pdata = { + .phy_init_seq = hsusb_phy_init_seq, + .mode = USB_PERIPHERAL, + .otg_control = OTG_PHY_CONTROL, +}; + static struct platform_device *devices[] __initdata = { #if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER) &msm_device_uart2, #endif &msm_device_smd, + &msm_device_otg, + &msm_device_hsusb, + &msm_device_hsusb_host, }; static void __init msm7x30_init_irq(void) @@ -53,6 +69,10 @@ static void __init msm7x30_init_irq(void) static void __init msm7x30_init(void) { + msm_device_otg.dev.platform_data = &msm_otg_pdata; + msm_device_hsusb.dev.parent = &msm_device_otg.dev; + msm_device_hsusb_host.dev.parent = &msm_device_otg.dev; + platform_add_devices(devices, ARRAY_SIZE(devices)); } diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c index 7486a681cc71..9b5eb2b4ae1b 100644 --- a/arch/arm/mach-msm/board-msm8x60.c +++ b/arch/arm/mach-msm/board-msm8x60.c @@ -28,8 +28,6 @@ #include <mach/board.h> #include <mach/msm_iomap.h> -void __iomem *gic_cpu_base_addr; - unsigned long clk_get_max_axi_khz(void) { return 0; @@ -44,9 +42,8 @@ static void __init msm8x60_init_irq(void) { unsigned int i; - gic_dist_init(0, MSM_QGIC_DIST_BASE, GIC_PPI_START); - gic_cpu_base_addr = (void *)MSM_QGIC_CPU_BASE; - gic_cpu_init(0, MSM_QGIC_CPU_BASE); + gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE, + (void *)MSM_QGIC_CPU_BASE); /* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */ writel(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4); diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c index ed2af4ad97ed..2e8391307f55 100644 --- a/arch/arm/mach-msm/board-qsd8x50.c +++ b/arch/arm/mach-msm/board-qsd8x50.c @@ -20,6 +20,7 @@ #include <linux/gpio.h> #include <linux/platform_device.h> #include <linux/delay.h> +#include <linux/usb/msm_hsusb.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -74,9 +75,24 @@ static int __init msm_init_smc91x(void) } module_init(msm_init_smc91x); +static int hsusb_phy_init_seq[] = { + 0x08, 0x31, /* Increase HS Driver Amplitude */ + 0x20, 0x32, /* Enable and set Pre-Emphasis Depth to 10% */ + -1 +}; + +static struct msm_otg_platform_data msm_otg_pdata = { + .phy_init_seq = hsusb_phy_init_seq, + .mode = USB_PERIPHERAL, + .otg_control = OTG_PHY_CONTROL, +}; + static struct platform_device *devices[] __initdata = { &msm_device_uart3, &msm_device_smd, + &msm_device_otg, + &msm_device_hsusb, + &msm_device_hsusb_host, }; static void __init qsd8x50_map_io(void) @@ -93,6 +109,9 @@ static void __init qsd8x50_init_irq(void) static void __init qsd8x50_init(void) { + msm_device_otg.dev.platform_data = &msm_otg_pdata; + msm_device_hsusb.dev.parent = &msm_device_otg.dev; + msm_device_hsusb_host.dev.parent = &msm_device_otg.dev; platform_add_devices(devices, ARRAY_SIZE(devices)); } diff --git a/arch/arm/mach-msm/board-trout-gpio.c b/arch/arm/mach-msm/board-trout-gpio.c index c50f3afc3134..a604ec1e44bf 100644 --- a/arch/arm/mach-msm/board-trout-gpio.c +++ b/arch/arm/mach-msm/board-trout-gpio.c @@ -72,6 +72,13 @@ static int msm_gpiolib_direction_output(struct gpio_chip *chip, return 0; } +static int trout_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +{ + struct msm_gpio_chip *msm_gpio = to_msm_gpio_chip(chip); + + return TROUT_GPIO_TO_INT(offset + chip->base); +} + #define TROUT_GPIO_BANK(name, reg_num, base_gpio, shadow_val) \ { \ .chip = { \ @@ -80,6 +87,7 @@ static int msm_gpiolib_direction_output(struct gpio_chip *chip, .direction_output = msm_gpiolib_direction_output, \ .get = msm_gpiolib_get, \ .set = msm_gpiolib_set, \ + .to_irq = trout_gpio_to_irq, \ .base = base_gpio, \ .ngpio = 8, \ }, \ @@ -105,52 +113,52 @@ static struct msm_gpio_chip msm_gpio_banks[] = { TROUT_GPIO_BANK("VIRTUAL", 0x12, TROUT_GPIO_VIRTUAL_BASE, 0), }; -static void trout_gpio_irq_ack(unsigned int irq) +static void trout_gpio_irq_ack(struct irq_data *d) { - int bank = TROUT_INT_TO_BANK(irq); - uint8_t mask = TROUT_INT_TO_MASK(irq); + int bank = TROUT_INT_TO_BANK(d->irq); + uint8_t mask = TROUT_INT_TO_MASK(d->irq); int reg = TROUT_BANK_TO_STAT_REG(bank); - /*printk(KERN_INFO "trout_gpio_irq_ack irq %d\n", irq);*/ + /*printk(KERN_INFO "trout_gpio_irq_ack irq %d\n", d->irq);*/ writeb(mask, TROUT_CPLD_BASE + reg); } -static void trout_gpio_irq_mask(unsigned int irq) +static void trout_gpio_irq_mask(struct irq_data *d) { unsigned long flags; uint8_t reg_val; - int bank = TROUT_INT_TO_BANK(irq); - uint8_t mask = TROUT_INT_TO_MASK(irq); + int bank = TROUT_INT_TO_BANK(d->irq); + uint8_t mask = TROUT_INT_TO_MASK(d->irq); int reg = TROUT_BANK_TO_MASK_REG(bank); local_irq_save(flags); reg_val = trout_int_mask[bank] |= mask; /*printk(KERN_INFO "trout_gpio_irq_mask irq %d => %d:%02x\n", - irq, bank, reg_val);*/ + d->irq, bank, reg_val);*/ writeb(reg_val, TROUT_CPLD_BASE + reg); local_irq_restore(flags); } -static void trout_gpio_irq_unmask(unsigned int irq) +static void trout_gpio_irq_unmask(struct irq_data *d) { unsigned long flags; uint8_t reg_val; - int bank = TROUT_INT_TO_BANK(irq); - uint8_t mask = TROUT_INT_TO_MASK(irq); + int bank = TROUT_INT_TO_BANK(d->irq); + uint8_t mask = TROUT_INT_TO_MASK(d->irq); int reg = TROUT_BANK_TO_MASK_REG(bank); local_irq_save(flags); reg_val = trout_int_mask[bank] &= ~mask; /*printk(KERN_INFO "trout_gpio_irq_unmask irq %d => %d:%02x\n", - irq, bank, reg_val);*/ + d->irq, bank, reg_val);*/ writeb(reg_val, TROUT_CPLD_BASE + reg); local_irq_restore(flags); } -int trout_gpio_irq_set_wake(unsigned int irq, unsigned int on) +int trout_gpio_irq_set_wake(struct irq_data *d, unsigned int on) { unsigned long flags; - int bank = TROUT_INT_TO_BANK(irq); - uint8_t mask = TROUT_INT_TO_MASK(irq); + int bank = TROUT_INT_TO_BANK(d->irq); + uint8_t mask = TROUT_INT_TO_MASK(d->irq); local_irq_save(flags); if(on) @@ -190,15 +198,15 @@ static void trout_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) } int_base += TROUT_INT_BANK0_COUNT; } - desc->chip->ack(irq); + desc->irq_data.chip->irq_ack(&desc->irq_data); } static struct irq_chip trout_gpio_irq_chip = { - .name = "troutgpio", - .ack = trout_gpio_irq_ack, - .mask = trout_gpio_irq_mask, - .unmask = trout_gpio_irq_unmask, - .set_wake = trout_gpio_irq_set_wake, + .name = "troutgpio", + .irq_ack = trout_gpio_irq_ack, + .irq_mask = trout_gpio_irq_mask, + .irq_unmask = trout_gpio_irq_unmask, + .irq_set_wake = trout_gpio_irq_set_wake, }; /* diff --git a/arch/arm/mach-msm/board-trout-panel.c b/arch/arm/mach-msm/board-trout-panel.c new file mode 100644 index 000000000000..729bb49a44ca --- /dev/null +++ b/arch/arm/mach-msm/board-trout-panel.c @@ -0,0 +1,297 @@ +/* linux/arch/arm/mach-msm/board-trout-mddi.c +** Author: Brian Swetland <swetland@google.com> +*/ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/leds.h> +#include <linux/clk.h> +#include <linux/err.h> + +#include <asm/io.h> +#include <asm/gpio.h> +#include <asm/mach-types.h> + +#include <mach/msm_fb.h> +#include <mach/vreg.h> + +#include "board-trout.h" +#include "proc_comm.h" +#include "devices.h" + +#define TROUT_DEFAULT_BACKLIGHT_BRIGHTNESS 255 + +#define MDDI_CLIENT_CORE_BASE 0x108000 +#define LCD_CONTROL_BLOCK_BASE 0x110000 +#define SPI_BLOCK_BASE 0x120000 +#define I2C_BLOCK_BASE 0x130000 +#define PWM_BLOCK_BASE 0x140000 +#define GPIO_BLOCK_BASE 0x150000 +#define SYSTEM_BLOCK1_BASE 0x160000 +#define SYSTEM_BLOCK2_BASE 0x170000 + + +#define DPSUS (MDDI_CLIENT_CORE_BASE|0x24) +#define SYSCLKENA (MDDI_CLIENT_CORE_BASE|0x2C) +#define PWM0OFF (PWM_BLOCK_BASE|0x1C) + +#define V_VDDE2E_VDD2_GPIO 0 +#define MDDI_RST_N 82 + +#define MDDICAP0 (MDDI_CLIENT_CORE_BASE|0x00) +#define MDDICAP1 (MDDI_CLIENT_CORE_BASE|0x04) +#define MDDICAP2 (MDDI_CLIENT_CORE_BASE|0x08) +#define MDDICAP3 (MDDI_CLIENT_CORE_BASE|0x0C) +#define MDCAPCHG (MDDI_CLIENT_CORE_BASE|0x10) +#define MDCRCERC (MDDI_CLIENT_CORE_BASE|0x14) +#define TTBUSSEL (MDDI_CLIENT_CORE_BASE|0x18) +#define DPSET0 (MDDI_CLIENT_CORE_BASE|0x1C) +#define DPSET1 (MDDI_CLIENT_CORE_BASE|0x20) +#define DPSUS (MDDI_CLIENT_CORE_BASE|0x24) +#define DPRUN (MDDI_CLIENT_CORE_BASE|0x28) +#define SYSCKENA (MDDI_CLIENT_CORE_BASE|0x2C) +#define TESTMODE (MDDI_CLIENT_CORE_BASE|0x30) +#define FIFOMONI (MDDI_CLIENT_CORE_BASE|0x34) +#define INTMONI (MDDI_CLIENT_CORE_BASE|0x38) +#define MDIOBIST (MDDI_CLIENT_CORE_BASE|0x3C) +#define MDIOPSET (MDDI_CLIENT_CORE_BASE|0x40) +#define BITMAP0 (MDDI_CLIENT_CORE_BASE|0x44) +#define BITMAP1 (MDDI_CLIENT_CORE_BASE|0x48) +#define BITMAP2 (MDDI_CLIENT_CORE_BASE|0x4C) +#define BITMAP3 (MDDI_CLIENT_CORE_BASE|0x50) +#define BITMAP4 (MDDI_CLIENT_CORE_BASE|0x54) + +#define SRST (LCD_CONTROL_BLOCK_BASE|0x00) +#define PORT_ENB (LCD_CONTROL_BLOCK_BASE|0x04) +#define START (LCD_CONTROL_BLOCK_BASE|0x08) +#define PORT (LCD_CONTROL_BLOCK_BASE|0x0C) +#define CMN (LCD_CONTROL_BLOCK_BASE|0x10) +#define GAMMA (LCD_CONTROL_BLOCK_BASE|0x14) +#define INTFLG (LCD_CONTROL_BLOCK_BASE|0x18) +#define INTMSK (LCD_CONTROL_BLOCK_BASE|0x1C) +#define MPLFBUF (LCD_CONTROL_BLOCK_BASE|0x20) +#define HDE_LEFT (LCD_CONTROL_BLOCK_BASE|0x24) +#define VDE_TOP (LCD_CONTROL_BLOCK_BASE|0x28) +#define PXL (LCD_CONTROL_BLOCK_BASE|0x30) +#define HCYCLE (LCD_CONTROL_BLOCK_BASE|0x34) +#define HSW (LCD_CONTROL_BLOCK_BASE|0x38) +#define HDE_START (LCD_CONTROL_BLOCK_BASE|0x3C) +#define HDE_SIZE (LCD_CONTROL_BLOCK_BASE|0x40) +#define VCYCLE (LCD_CONTROL_BLOCK_BASE|0x44) +#define VSW (LCD_CONTROL_BLOCK_BASE|0x48) +#define VDE_START (LCD_CONTROL_BLOCK_BASE|0x4C) +#define VDE_SIZE (LCD_CONTROL_BLOCK_BASE|0x50) +#define WAKEUP (LCD_CONTROL_BLOCK_BASE|0x54) +#define WSYN_DLY (LCD_CONTROL_BLOCK_BASE|0x58) +#define REGENB (LCD_CONTROL_BLOCK_BASE|0x5C) +#define VSYNIF (LCD_CONTROL_BLOCK_BASE|0x60) +#define WRSTB (LCD_CONTROL_BLOCK_BASE|0x64) +#define RDSTB (LCD_CONTROL_BLOCK_BASE|0x68) +#define ASY_DATA (LCD_CONTROL_BLOCK_BASE|0x6C) +#define ASY_DATB (LCD_CONTROL_BLOCK_BASE|0x70) +#define ASY_DATC (LCD_CONTROL_BLOCK_BASE|0x74) +#define ASY_DATD (LCD_CONTROL_BLOCK_BASE|0x78) +#define ASY_DATE (LCD_CONTROL_BLOCK_BASE|0x7C) +#define ASY_DATF (LCD_CONTROL_BLOCK_BASE|0x80) +#define ASY_DATG (LCD_CONTROL_BLOCK_BASE|0x84) +#define ASY_DATH (LCD_CONTROL_BLOCK_BASE|0x88) +#define ASY_CMDSET (LCD_CONTROL_BLOCK_BASE|0x8C) + +#define SSICTL (SPI_BLOCK_BASE|0x00) +#define SSITIME (SPI_BLOCK_BASE|0x04) +#define SSITX (SPI_BLOCK_BASE|0x08) +#define SSIRX (SPI_BLOCK_BASE|0x0C) +#define SSIINTC (SPI_BLOCK_BASE|0x10) +#define SSIINTS (SPI_BLOCK_BASE|0x14) +#define SSIDBG1 (SPI_BLOCK_BASE|0x18) +#define SSIDBG2 (SPI_BLOCK_BASE|0x1C) +#define SSIID (SPI_BLOCK_BASE|0x20) + +#define WKREQ (SYSTEM_BLOCK1_BASE|0x00) +#define CLKENB (SYSTEM_BLOCK1_BASE|0x04) +#define DRAMPWR (SYSTEM_BLOCK1_BASE|0x08) +#define INTMASK (SYSTEM_BLOCK1_BASE|0x0C) +#define GPIOSEL (SYSTEM_BLOCK2_BASE|0x00) + +#define GPIODATA (GPIO_BLOCK_BASE|0x00) +#define GPIODIR (GPIO_BLOCK_BASE|0x04) +#define GPIOIS (GPIO_BLOCK_BASE|0x08) +#define GPIOIBE (GPIO_BLOCK_BASE|0x0C) +#define GPIOIEV (GPIO_BLOCK_BASE|0x10) +#define GPIOIE (GPIO_BLOCK_BASE|0x14) +#define GPIORIS (GPIO_BLOCK_BASE|0x18) +#define GPIOMIS (GPIO_BLOCK_BASE|0x1C) +#define GPIOIC (GPIO_BLOCK_BASE|0x20) +#define GPIOOMS (GPIO_BLOCK_BASE|0x24) +#define GPIOPC (GPIO_BLOCK_BASE|0x28) +#define GPIOID (GPIO_BLOCK_BASE|0x30) + +#define SPI_WRITE(reg, val) \ + { SSITX, 0x00010000 | (((reg) & 0xff) << 8) | ((val) & 0xff) }, \ + { 0, 5 }, + +#define SPI_WRITE1(reg) \ + { SSITX, (reg) & 0xff }, \ + { 0, 5 }, + +struct mddi_table { + uint32_t reg; + uint32_t value; +}; +static struct mddi_table mddi_toshiba_init_table[] = { + { DPSET0, 0x09e90046 }, + { DPSET1, 0x00000118 }, + { DPSUS, 0x00000000 }, + { DPRUN, 0x00000001 }, + { 1, 14 }, /* msleep 14 */ + { SYSCKENA, 0x00000001 }, + { CLKENB, 0x0000A1EF }, /* # SYS.CLKENB # Enable clocks for each module (without DCLK , i2cCLK) */ + + { GPIODATA, 0x02000200 }, /* # GPI .GPIODATA # GPIO2(RESET_LCD_N) set to 0 , GPIO3(eDRAM_Power) set to 0 */ + { GPIODIR, 0x000030D }, /* 24D # GPI .GPIODIR # Select direction of GPIO port (0,2,3,6,9 output) */ + { GPIOSEL, 0/*0x00000173*/}, /* # SYS.GPIOSEL # GPIO port multiplexing control */ + { GPIOPC, 0x03C300C0 }, /* # GPI .GPIOPC # GPIO2,3 PD cut */ + { WKREQ, 0x00000000 }, /* # SYS.WKREQ # Wake-up request event is VSYNC alignment */ + + { GPIOIBE, 0x000003FF }, + { GPIOIS, 0x00000000 }, + { GPIOIC, 0x000003FF }, + { GPIOIE, 0x00000000 }, + + { GPIODATA, 0x00040004 }, /* # GPI .GPIODATA # eDRAM VD supply */ + { 1, 1 }, /* msleep 1 */ + { GPIODATA, 0x02040004 }, /* # GPI .GPIODATA # eDRAM VD supply */ + { DRAMPWR, 0x00000001 }, /* eDRAM power */ +}; + +#define GPIOSEL_VWAKEINT (1U << 0) +#define INTMASK_VWAKEOUT (1U << 0) + + +static struct clk *gp_clk; +static int trout_new_backlight = 1; +static struct vreg *vreg_mddi_1v5; +static struct vreg *vreg_lcm_2v85; + +static void trout_process_mddi_table(struct msm_mddi_client_data *client_data, + struct mddi_table *table, size_t count) +{ + int i; + for (i = 0; i < count; i++) { + uint32_t reg = table[i].reg; + uint32_t value = table[i].value; + + if (reg == 0) + udelay(value); + else if (reg == 1) + msleep(value); + else + client_data->remote_write(client_data, value, reg); + } +} + +static int trout_mddi_toshiba_client_init( + struct msm_mddi_bridge_platform_data *bridge_data, + struct msm_mddi_client_data *client_data) +{ + int panel_id; + + client_data->auto_hibernate(client_data, 0); + trout_process_mddi_table(client_data, mddi_toshiba_init_table, + ARRAY_SIZE(mddi_toshiba_init_table)); + client_data->auto_hibernate(client_data, 1); + panel_id = (client_data->remote_read(client_data, GPIODATA) >> 4) & 3; + if (panel_id > 1) { + printk(KERN_WARNING "unknown panel id at mddi_enable\n"); + return -1; + } + return 0; +} + +static int trout_mddi_toshiba_client_uninit( + struct msm_mddi_bridge_platform_data *bridge_data, + struct msm_mddi_client_data *client_data) +{ + return 0; +} + +static struct resource resources_msm_fb[] = { + { + .start = MSM_FB_BASE, + .end = MSM_FB_BASE + MSM_FB_SIZE, + .flags = IORESOURCE_MEM, + }, +}; + +struct msm_mddi_bridge_platform_data toshiba_client_data = { + .init = trout_mddi_toshiba_client_init, + .uninit = trout_mddi_toshiba_client_uninit, + .fb_data = { + .xres = 320, + .yres = 480, + .width = 45, + .height = 67, + .output_format = 0, + }, +}; + +static struct msm_mddi_platform_data mddi_pdata = { + .clk_rate = 122880000, + .fb_resource = resources_msm_fb, + .num_clients = 1, + .client_platform_data = { + { + .product_id = (0xd263 << 16 | 0), + .name = "mddi_c_d263_0000", + .id = 0, + .client_data = &toshiba_client_data, + .clk_rate = 0, + }, + }, +}; + +int __init trout_init_panel(void) +{ + int rc; + + if (!machine_is_trout()) + return 0; + vreg_mddi_1v5 = vreg_get(0, "gp2"); + if (IS_ERR(vreg_mddi_1v5)) + return PTR_ERR(vreg_mddi_1v5); + vreg_lcm_2v85 = vreg_get(0, "gp4"); + if (IS_ERR(vreg_lcm_2v85)) + return PTR_ERR(vreg_lcm_2v85); + + trout_new_backlight = system_rev >= 5; + if (trout_new_backlight) { + uint32_t config = PCOM_GPIO_CFG(27, 0, GPIO_OUTPUT, + GPIO_NO_PULL, GPIO_8MA); + msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &config, 0); + } else { + uint32_t config = PCOM_GPIO_CFG(27, 1, GPIO_OUTPUT, + GPIO_NO_PULL, GPIO_8MA); + msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &config, 0); + + gp_clk = clk_get(NULL, "gp_clk"); + if (IS_ERR(gp_clk)) { + printk(KERN_ERR "trout_init_panel: could not get gp" + "clock\n"); + gp_clk = NULL; + } + rc = clk_set_rate(gp_clk, 19200000); + if (rc) + printk(KERN_ERR "trout_init_panel: set clock rate " + "failed\n"); + } + + rc = platform_device_register(&msm_device_mdp); + if (rc) + return rc; + msm_device_mddi0.dev.platform_data = &mddi_pdata; + return platform_device_register(&msm_device_mddi0); +} + +device_initcall(trout_init_panel); diff --git a/arch/arm/mach-msm/clock.c b/arch/arm/mach-msm/clock.c index c57210f4f06a..2069bfaa3a26 100644 --- a/arch/arm/mach-msm/clock.c +++ b/arch/arm/mach-msm/clock.c @@ -120,6 +120,21 @@ EXPORT_SYMBOL(clk_get_rate); int clk_set_rate(struct clk *clk, unsigned long rate) { + int ret; + if (clk->flags & CLKFLAG_MAX) { + ret = clk->ops->set_max_rate(clk->id, rate); + if (ret) + return ret; + } + if (clk->flags & CLKFLAG_MIN) { + ret = clk->ops->set_min_rate(clk->id, rate); + if (ret) + return ret; + } + + if (clk->flags & CLKFLAG_MAX || clk->flags & CLKFLAG_MIN) + return ret; + return clk->ops->set_rate(clk->id, rate); } EXPORT_SYMBOL(clk_set_rate); diff --git a/arch/arm/mach-msm/devices-msm7x00.c b/arch/arm/mach-msm/devices-msm7x00.c index 4e8c0bcdc92d..fb548a8a21db 100644 --- a/arch/arm/mach-msm/devices-msm7x00.c +++ b/arch/arm/mach-msm/devices-msm7x00.c @@ -347,6 +347,73 @@ int __init msm_add_sdcc(unsigned int controller, return platform_device_register(pdev); } +static struct resource resources_mddi0[] = { + { + .start = MSM_PMDH_PHYS, + .end = MSM_PMDH_PHYS + MSM_PMDH_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_MDDI_PRI, + .end = INT_MDDI_PRI, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource resources_mddi1[] = { + { + .start = MSM_EMDH_PHYS, + .end = MSM_EMDH_PHYS + MSM_EMDH_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_MDDI_EXT, + .end = INT_MDDI_EXT, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device msm_device_mddi0 = { + .name = "msm_mddi", + .id = 0, + .num_resources = ARRAY_SIZE(resources_mddi0), + .resource = resources_mddi0, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + +struct platform_device msm_device_mddi1 = { + .name = "msm_mddi", + .id = 1, + .num_resources = ARRAY_SIZE(resources_mddi1), + .resource = resources_mddi1, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + +static struct resource resources_mdp[] = { + { + .start = MSM_MDP_PHYS, + .end = MSM_MDP_PHYS + MSM_MDP_SIZE - 1, + .name = "mdp", + .flags = IORESOURCE_MEM + }, + { + .start = INT_MDP, + .end = INT_MDP, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device msm_device_mdp = { + .name = "msm_mdp", + .id = 0, + .num_resources = ARRAY_SIZE(resources_mdp), + .resource = resources_mdp, +}; + struct clk msm_clocks_7x01a[] = { CLK_PCOM("adm_clk", ADM_CLK, NULL, 0), CLK_PCOM("adsp_clk", ADSP_CLK, NULL, 0), @@ -364,7 +431,7 @@ struct clk msm_clocks_7x01a[] = { CLK_PCOM("mdp_clk", MDP_CLK, NULL, OFF), CLK_PCOM("pbus_clk", PBUS_CLK, NULL, 0), CLK_PCOM("pcm_clk", PCM_CLK, NULL, 0), - CLK_PCOM("pmdh_clk", PMDH_CLK, NULL, OFF ), + CLK_PCOM("mddi_clk", PMDH_CLK, NULL, OFF | CLK_MINMAX), CLK_PCOM("sdac_clk", SDAC_CLK, NULL, OFF), CLK_PCOM("sdc_clk", SDC1_CLK, &msm_device_sdc1.dev, OFF), CLK_PCOM("sdc_pclk", SDC1_P_CLK, &msm_device_sdc1.dev, OFF), diff --git a/arch/arm/mach-msm/devices-msm7x30.c b/arch/arm/mach-msm/devices-msm7x30.c index 7fcf2e3b7698..4e9a0ab3e937 100644 --- a/arch/arm/mach-msm/devices-msm7x30.c +++ b/arch/arm/mach-msm/devices-msm7x30.c @@ -56,6 +56,77 @@ struct platform_device msm_device_smd = { .id = -1, }; +static struct resource resources_otg[] = { + { + .start = MSM_HSUSB_PHYS, + .end = MSM_HSUSB_PHYS + MSM_HSUSB_SIZE, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_USB_HS, + .end = INT_USB_HS, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device msm_device_otg = { + .name = "msm_otg", + .id = -1, + .num_resources = ARRAY_SIZE(resources_otg), + .resource = resources_otg, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + +static struct resource resources_hsusb[] = { + { + .start = MSM_HSUSB_PHYS, + .end = MSM_HSUSB_PHYS + MSM_HSUSB_SIZE, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_USB_HS, + .end = INT_USB_HS, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device msm_device_hsusb = { + .name = "msm_hsusb", + .id = -1, + .num_resources = ARRAY_SIZE(resources_hsusb), + .resource = resources_hsusb, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + +static u64 dma_mask = 0xffffffffULL; +static struct resource resources_hsusb_host[] = { + { + .start = MSM_HSUSB_PHYS, + .end = MSM_HSUSB_PHYS + MSM_HSUSB_SIZE, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_USB_HS, + .end = INT_USB_HS, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device msm_device_hsusb_host = { + .name = "msm_hsusb_host", + .id = -1, + .num_resources = ARRAY_SIZE(resources_hsusb_host), + .resource = resources_hsusb_host, + .dev = { + .dma_mask = &dma_mask, + .coherent_dma_mask = 0xffffffffULL, + }, +}; + struct clk msm_clocks_7x30[] = { CLK_PCOM("adm_clk", ADM_CLK, NULL, 0), CLK_PCOM("adsp_clk", ADSP_CLK, NULL, 0), @@ -107,6 +178,7 @@ struct clk msm_clocks_7x30[] = { CLK_PCOM("tv_dac_clk", TV_DAC_CLK, NULL, 0), CLK_PCOM("tv_enc_clk", TV_ENC_CLK, NULL, 0), CLK_PCOM("uart_clk", UART2_CLK, &msm_device_uart2.dev, 0), + CLK_PCOM("usb_phy_clk", USB_PHY_CLK, NULL, 0), CLK_PCOM("usb_hs_clk", USB_HS_CLK, NULL, OFF), CLK_PCOM("usb_hs_pclk", USB_HS_P_CLK, NULL, OFF), CLK_PCOM("usb_hs_core_clk", USB_HS_CORE_CLK, NULL, OFF), diff --git a/arch/arm/mach-msm/devices-msm8x60-iommu.c b/arch/arm/mach-msm/devices-msm8x60-iommu.c index 89b9d4437e92..f9e7bd34ec59 100644 --- a/arch/arm/mach-msm/devices-msm8x60-iommu.c +++ b/arch/arm/mach-msm/devices-msm8x60-iommu.c @@ -254,60 +254,86 @@ static struct resource msm_iommu_gfx2d0_resources[] = { }, }; +static struct resource msm_iommu_gfx2d1_resources[] = { + { + .start = MSM_IOMMU_GFX2D1_PHYS, + .end = MSM_IOMMU_GFX2D1_PHYS + MSM_IOMMU_GFX2D1_SIZE - 1, + .name = "physbase", + .flags = IORESOURCE_MEM, + }, + { + .name = "nonsecure_irq", + .start = SMMU_GFX2D1_CB_SC_NON_SECURE_IRQ, + .end = SMMU_GFX2D1_CB_SC_NON_SECURE_IRQ, + .flags = IORESOURCE_IRQ, + }, + { + .name = "secure_irq", + .start = SMMU_GFX2D1_CB_SC_SECURE_IRQ, + .end = SMMU_GFX2D1_CB_SC_SECURE_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + static struct platform_device msm_root_iommu_dev = { .name = "msm_iommu", .id = -1, }; -static struct msm_iommu_dev jpegd_smmu = { +static struct msm_iommu_dev jpegd_iommu = { .name = "jpegd", .clk_rate = -1 }; -static struct msm_iommu_dev vpe_smmu = { +static struct msm_iommu_dev vpe_iommu = { .name = "vpe" }; -static struct msm_iommu_dev mdp0_smmu = { +static struct msm_iommu_dev mdp0_iommu = { .name = "mdp0" }; -static struct msm_iommu_dev mdp1_smmu = { +static struct msm_iommu_dev mdp1_iommu = { .name = "mdp1" }; -static struct msm_iommu_dev rot_smmu = { +static struct msm_iommu_dev rot_iommu = { .name = "rot" }; -static struct msm_iommu_dev ijpeg_smmu = { +static struct msm_iommu_dev ijpeg_iommu = { .name = "ijpeg" }; -static struct msm_iommu_dev vfe_smmu = { +static struct msm_iommu_dev vfe_iommu = { .name = "vfe", .clk_rate = -1 }; -static struct msm_iommu_dev vcodec_a_smmu = { +static struct msm_iommu_dev vcodec_a_iommu = { .name = "vcodec_a" }; -static struct msm_iommu_dev vcodec_b_smmu = { +static struct msm_iommu_dev vcodec_b_iommu = { .name = "vcodec_b" }; -static struct msm_iommu_dev gfx3d_smmu = { +static struct msm_iommu_dev gfx3d_iommu = { .name = "gfx3d", .clk_rate = 27000000 }; -static struct msm_iommu_dev gfx2d0_smmu = { +static struct msm_iommu_dev gfx2d0_iommu = { .name = "gfx2d0", .clk_rate = 27000000 }; -static struct platform_device msm_device_smmu_jpegd = { +static struct msm_iommu_dev gfx2d1_iommu = { + .name = "gfx2d1", + .clk_rate = 27000000 +}; + +static struct platform_device msm_device_iommu_jpegd = { .name = "msm_iommu", .id = 0, .dev = { @@ -317,7 +343,7 @@ static struct platform_device msm_device_smmu_jpegd = { .resource = msm_iommu_jpegd_resources, }; -static struct platform_device msm_device_smmu_vpe = { +static struct platform_device msm_device_iommu_vpe = { .name = "msm_iommu", .id = 1, .dev = { @@ -327,7 +353,7 @@ static struct platform_device msm_device_smmu_vpe = { .resource = msm_iommu_vpe_resources, }; -static struct platform_device msm_device_smmu_mdp0 = { +static struct platform_device msm_device_iommu_mdp0 = { .name = "msm_iommu", .id = 2, .dev = { @@ -337,7 +363,7 @@ static struct platform_device msm_device_smmu_mdp0 = { .resource = msm_iommu_mdp0_resources, }; -static struct platform_device msm_device_smmu_mdp1 = { +static struct platform_device msm_device_iommu_mdp1 = { .name = "msm_iommu", .id = 3, .dev = { @@ -347,7 +373,7 @@ static struct platform_device msm_device_smmu_mdp1 = { .resource = msm_iommu_mdp1_resources, }; -static struct platform_device msm_device_smmu_rot = { +static struct platform_device msm_device_iommu_rot = { .name = "msm_iommu", .id = 4, .dev = { @@ -357,7 +383,7 @@ static struct platform_device msm_device_smmu_rot = { .resource = msm_iommu_rot_resources, }; -static struct platform_device msm_device_smmu_ijpeg = { +static struct platform_device msm_device_iommu_ijpeg = { .name = "msm_iommu", .id = 5, .dev = { @@ -367,7 +393,7 @@ static struct platform_device msm_device_smmu_ijpeg = { .resource = msm_iommu_ijpeg_resources, }; -static struct platform_device msm_device_smmu_vfe = { +static struct platform_device msm_device_iommu_vfe = { .name = "msm_iommu", .id = 6, .dev = { @@ -377,7 +403,7 @@ static struct platform_device msm_device_smmu_vfe = { .resource = msm_iommu_vfe_resources, }; -static struct platform_device msm_device_smmu_vcodec_a = { +static struct platform_device msm_device_iommu_vcodec_a = { .name = "msm_iommu", .id = 7, .dev = { @@ -387,7 +413,7 @@ static struct platform_device msm_device_smmu_vcodec_a = { .resource = msm_iommu_vcodec_a_resources, }; -static struct platform_device msm_device_smmu_vcodec_b = { +static struct platform_device msm_device_iommu_vcodec_b = { .name = "msm_iommu", .id = 8, .dev = { @@ -397,7 +423,7 @@ static struct platform_device msm_device_smmu_vcodec_b = { .resource = msm_iommu_vcodec_b_resources, }; -static struct platform_device msm_device_smmu_gfx3d = { +static struct platform_device msm_device_iommu_gfx3d = { .name = "msm_iommu", .id = 9, .dev = { @@ -407,7 +433,7 @@ static struct platform_device msm_device_smmu_gfx3d = { .resource = msm_iommu_gfx3d_resources, }; -static struct platform_device msm_device_smmu_gfx2d0 = { +static struct platform_device msm_device_iommu_gfx2d0 = { .name = "msm_iommu", .id = 10, .dev = { @@ -417,6 +443,16 @@ static struct platform_device msm_device_smmu_gfx2d0 = { .resource = msm_iommu_gfx2d0_resources, }; +struct platform_device msm_device_iommu_gfx2d1 = { + .name = "msm_iommu", + .id = 11, + .dev = { + .parent = &msm_root_iommu_dev.dev, + }, + .num_resources = ARRAY_SIZE(msm_iommu_gfx2d1_resources), + .resource = msm_iommu_gfx2d1_resources, +}; + static struct msm_iommu_ctx_dev jpegd_src_ctx = { .name = "jpegd_src", .num = 0, @@ -519,41 +555,36 @@ static struct msm_iommu_ctx_dev vcodec_b_mm2_ctx = { .mids = {0, 1, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, -1} }; -static struct msm_iommu_ctx_dev gfx3d_rbpa_ctx = { - .name = "gfx3d_rbpa", +static struct msm_iommu_ctx_dev gfx3d_user_ctx = { + .name = "gfx3d_user", .num = 0, - .mids = {-1} + .mids = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, -1} }; -static struct msm_iommu_ctx_dev gfx3d_cpvgttc_ctx = { - .name = "gfx3d_cpvgttc", +static struct msm_iommu_ctx_dev gfx3d_priv_ctx = { + .name = "gfx3d_priv", .num = 1, - .mids = {0, 1, 2, 3, 4, 5, 6, 7, -1} -}; - -static struct msm_iommu_ctx_dev gfx3d_smmu_ctx = { - .name = "gfx3d_smmu", - .num = 2, - .mids = {8, 9, 10, 11, 12, -1} + .mids = {16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, + 31, -1} }; -static struct msm_iommu_ctx_dev gfx2d0_pixv1_ctx = { - .name = "gfx2d0_pixv1_smmu", +static struct msm_iommu_ctx_dev gfx2d0_2d0_ctx = { + .name = "gfx2d0_2d0", .num = 0, - .mids = {0, 3, 4, -1} + .mids = {0, 1, 2, 3, 4, 5, 6, 7, -1} }; -static struct msm_iommu_ctx_dev gfx2d0_texv3_ctx = { - .name = "gfx2d0_texv3_smmu", - .num = 1, - .mids = {1, 6, 7, -1} +static struct msm_iommu_ctx_dev gfx2d1_2d1_ctx = { + .name = "gfx2d1_2d1", + .num = 0, + .mids = {0, 1, 2, 3, 4, 5, 6, 7, -1} }; static struct platform_device msm_device_jpegd_src_ctx = { .name = "msm_iommu_ctx", .id = 0, .dev = { - .parent = &msm_device_smmu_jpegd.dev, + .parent = &msm_device_iommu_jpegd.dev, }, }; @@ -561,7 +592,7 @@ static struct platform_device msm_device_jpegd_dst_ctx = { .name = "msm_iommu_ctx", .id = 1, .dev = { - .parent = &msm_device_smmu_jpegd.dev, + .parent = &msm_device_iommu_jpegd.dev, }, }; @@ -569,7 +600,7 @@ static struct platform_device msm_device_vpe_src_ctx = { .name = "msm_iommu_ctx", .id = 2, .dev = { - .parent = &msm_device_smmu_vpe.dev, + .parent = &msm_device_iommu_vpe.dev, }, }; @@ -577,7 +608,7 @@ static struct platform_device msm_device_vpe_dst_ctx = { .name = "msm_iommu_ctx", .id = 3, .dev = { - .parent = &msm_device_smmu_vpe.dev, + .parent = &msm_device_iommu_vpe.dev, }, }; @@ -585,7 +616,7 @@ static struct platform_device msm_device_mdp_vg1_ctx = { .name = "msm_iommu_ctx", .id = 4, .dev = { - .parent = &msm_device_smmu_mdp0.dev, + .parent = &msm_device_iommu_mdp0.dev, }, }; @@ -593,7 +624,7 @@ static struct platform_device msm_device_mdp_rgb1_ctx = { .name = "msm_iommu_ctx", .id = 5, .dev = { - .parent = &msm_device_smmu_mdp0.dev, + .parent = &msm_device_iommu_mdp0.dev, }, }; @@ -601,7 +632,7 @@ static struct platform_device msm_device_mdp_vg2_ctx = { .name = "msm_iommu_ctx", .id = 6, .dev = { - .parent = &msm_device_smmu_mdp1.dev, + .parent = &msm_device_iommu_mdp1.dev, }, }; @@ -609,7 +640,7 @@ static struct platform_device msm_device_mdp_rgb2_ctx = { .name = "msm_iommu_ctx", .id = 7, .dev = { - .parent = &msm_device_smmu_mdp1.dev, + .parent = &msm_device_iommu_mdp1.dev, }, }; @@ -617,7 +648,7 @@ static struct platform_device msm_device_rot_src_ctx = { .name = "msm_iommu_ctx", .id = 8, .dev = { - .parent = &msm_device_smmu_rot.dev, + .parent = &msm_device_iommu_rot.dev, }, }; @@ -625,7 +656,7 @@ static struct platform_device msm_device_rot_dst_ctx = { .name = "msm_iommu_ctx", .id = 9, .dev = { - .parent = &msm_device_smmu_rot.dev, + .parent = &msm_device_iommu_rot.dev, }, }; @@ -633,7 +664,7 @@ static struct platform_device msm_device_ijpeg_src_ctx = { .name = "msm_iommu_ctx", .id = 10, .dev = { - .parent = &msm_device_smmu_ijpeg.dev, + .parent = &msm_device_iommu_ijpeg.dev, }, }; @@ -641,7 +672,7 @@ static struct platform_device msm_device_ijpeg_dst_ctx = { .name = "msm_iommu_ctx", .id = 11, .dev = { - .parent = &msm_device_smmu_ijpeg.dev, + .parent = &msm_device_iommu_ijpeg.dev, }, }; @@ -649,7 +680,7 @@ static struct platform_device msm_device_vfe_imgwr_ctx = { .name = "msm_iommu_ctx", .id = 12, .dev = { - .parent = &msm_device_smmu_vfe.dev, + .parent = &msm_device_iommu_vfe.dev, }, }; @@ -657,7 +688,7 @@ static struct platform_device msm_device_vfe_misc_ctx = { .name = "msm_iommu_ctx", .id = 13, .dev = { - .parent = &msm_device_smmu_vfe.dev, + .parent = &msm_device_iommu_vfe.dev, }, }; @@ -665,7 +696,7 @@ static struct platform_device msm_device_vcodec_a_stream_ctx = { .name = "msm_iommu_ctx", .id = 14, .dev = { - .parent = &msm_device_smmu_vcodec_a.dev, + .parent = &msm_device_iommu_vcodec_a.dev, }, }; @@ -673,7 +704,7 @@ static struct platform_device msm_device_vcodec_a_mm1_ctx = { .name = "msm_iommu_ctx", .id = 15, .dev = { - .parent = &msm_device_smmu_vcodec_a.dev, + .parent = &msm_device_iommu_vcodec_a.dev, }, }; @@ -681,76 +712,70 @@ static struct platform_device msm_device_vcodec_b_mm2_ctx = { .name = "msm_iommu_ctx", .id = 16, .dev = { - .parent = &msm_device_smmu_vcodec_b.dev, + .parent = &msm_device_iommu_vcodec_b.dev, }, }; -static struct platform_device msm_device_gfx3d_rbpa_ctx = { +static struct platform_device msm_device_gfx3d_user_ctx = { .name = "msm_iommu_ctx", .id = 17, .dev = { - .parent = &msm_device_smmu_gfx3d.dev, + .parent = &msm_device_iommu_gfx3d.dev, }, }; -static struct platform_device msm_device_gfx3d_cpvgttc_ctx = { +static struct platform_device msm_device_gfx3d_priv_ctx = { .name = "msm_iommu_ctx", .id = 18, .dev = { - .parent = &msm_device_smmu_gfx3d.dev, + .parent = &msm_device_iommu_gfx3d.dev, }, }; -static struct platform_device msm_device_gfx3d_smmu_ctx = { +static struct platform_device msm_device_gfx2d0_2d0_ctx = { .name = "msm_iommu_ctx", .id = 19, .dev = { - .parent = &msm_device_smmu_gfx3d.dev, + .parent = &msm_device_iommu_gfx2d0.dev, }, }; -static struct platform_device msm_device_gfx2d0_pixv1_ctx = { +static struct platform_device msm_device_gfx2d1_2d1_ctx = { .name = "msm_iommu_ctx", .id = 20, .dev = { - .parent = &msm_device_smmu_gfx2d0.dev, - }, -}; - -static struct platform_device msm_device_gfx2d0_texv3_ctx = { - .name = "msm_iommu_ctx", - .id = 21, - .dev = { - .parent = &msm_device_smmu_gfx2d0.dev, + .parent = &msm_device_iommu_gfx2d1.dev, }, }; static struct platform_device *msm_iommu_devs[] = { - &msm_device_smmu_jpegd, - &msm_device_smmu_vpe, - &msm_device_smmu_mdp0, - &msm_device_smmu_mdp1, - &msm_device_smmu_rot, - &msm_device_smmu_ijpeg, - &msm_device_smmu_vfe, - &msm_device_smmu_vcodec_a, - &msm_device_smmu_vcodec_b, - &msm_device_smmu_gfx3d, - &msm_device_smmu_gfx2d0, + &msm_device_iommu_jpegd, + &msm_device_iommu_vpe, + &msm_device_iommu_mdp0, + &msm_device_iommu_mdp1, + &msm_device_iommu_rot, + &msm_device_iommu_ijpeg, + &msm_device_iommu_vfe, + &msm_device_iommu_vcodec_a, + &msm_device_iommu_vcodec_b, + &msm_device_iommu_gfx3d, + &msm_device_iommu_gfx2d0, + &msm_device_iommu_gfx2d1, }; static struct msm_iommu_dev *msm_iommu_data[] = { - &jpegd_smmu, - &vpe_smmu, - &mdp0_smmu, - &mdp1_smmu, - &rot_smmu, - &ijpeg_smmu, - &vfe_smmu, - &vcodec_a_smmu, - &vcodec_b_smmu, - &gfx3d_smmu, - &gfx2d0_smmu, + &jpegd_iommu, + &vpe_iommu, + &mdp0_iommu, + &mdp1_iommu, + &rot_iommu, + &ijpeg_iommu, + &vfe_iommu, + &vcodec_a_iommu, + &vcodec_b_iommu, + &gfx3d_iommu, + &gfx2d0_iommu, + &gfx2d1_iommu, }; static struct platform_device *msm_iommu_ctx_devs[] = { @@ -771,11 +796,10 @@ static struct platform_device *msm_iommu_ctx_devs[] = { &msm_device_vcodec_a_stream_ctx, &msm_device_vcodec_a_mm1_ctx, &msm_device_vcodec_b_mm2_ctx, - &msm_device_gfx3d_rbpa_ctx, - &msm_device_gfx3d_cpvgttc_ctx, - &msm_device_gfx3d_smmu_ctx, - &msm_device_gfx2d0_pixv1_ctx, - &msm_device_gfx2d0_texv3_ctx, + &msm_device_gfx3d_user_ctx, + &msm_device_gfx3d_priv_ctx, + &msm_device_gfx2d0_2d0_ctx, + &msm_device_gfx2d1_2d1_ctx, }; static struct msm_iommu_ctx_dev *msm_iommu_ctx_data[] = { @@ -796,14 +820,13 @@ static struct msm_iommu_ctx_dev *msm_iommu_ctx_data[] = { &vcodec_a_stream_ctx, &vcodec_a_mm1_ctx, &vcodec_b_mm2_ctx, - &gfx3d_rbpa_ctx, - &gfx3d_cpvgttc_ctx, - &gfx3d_smmu_ctx, - &gfx2d0_pixv1_ctx, - &gfx2d0_texv3_ctx, + &gfx3d_user_ctx, + &gfx3d_priv_ctx, + &gfx2d0_2d0_ctx, + &gfx2d1_2d1_ctx, }; -static int msm8x60_iommu_init(void) +static int __init msm8x60_iommu_init(void) { int ret, i; @@ -826,7 +849,7 @@ static int msm8x60_iommu_init(void) ret = platform_device_register(msm_iommu_devs[i]); if (ret != 0) { - pr_err("platform_device_register smmu failed, " + pr_err("platform_device_register iommu failed, " "i = %d\n", i); goto failure_unwind; } @@ -837,7 +860,7 @@ static int msm8x60_iommu_init(void) msm_iommu_ctx_data[i], sizeof(*msm_iommu_ctx_devs[i])); if (ret != 0) { - pr_err("platform_device_add_data smmu failed, " + pr_err("platform_device_add_data iommu failed, " "i = %d\n", i); goto failure_unwind2; } @@ -863,7 +886,7 @@ failure: return ret; } -static void msm8x60_iommu_exit(void) +static void __exit msm8x60_iommu_exit(void) { int i; diff --git a/arch/arm/mach-msm/devices-qsd8x50.c b/arch/arm/mach-msm/devices-qsd8x50.c index 6fe67c5d1ae0..a4b798f20ccb 100644 --- a/arch/arm/mach-msm/devices-qsd8x50.c +++ b/arch/arm/mach-msm/devices-qsd8x50.c @@ -53,6 +53,77 @@ struct platform_device msm_device_smd = { .id = -1, }; +static struct resource resources_otg[] = { + { + .start = MSM_HSUSB_PHYS, + .end = MSM_HSUSB_PHYS + MSM_HSUSB_SIZE, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_USB_HS, + .end = INT_USB_HS, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device msm_device_otg = { + .name = "msm_otg", + .id = -1, + .num_resources = ARRAY_SIZE(resources_otg), + .resource = resources_otg, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + +static struct resource resources_hsusb[] = { + { + .start = MSM_HSUSB_PHYS, + .end = MSM_HSUSB_PHYS + MSM_HSUSB_SIZE, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_USB_HS, + .end = INT_USB_HS, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device msm_device_hsusb = { + .name = "msm_hsusb", + .id = -1, + .num_resources = ARRAY_SIZE(resources_hsusb), + .resource = resources_hsusb, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, +}; + +static u64 dma_mask = 0xffffffffULL; +static struct resource resources_hsusb_host[] = { + { + .start = MSM_HSUSB_PHYS, + .end = MSM_HSUSB_PHYS + MSM_HSUSB_SIZE, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_USB_HS, + .end = INT_USB_HS, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device msm_device_hsusb_host = { + .name = "msm_hsusb_host", + .id = -1, + .num_resources = ARRAY_SIZE(resources_hsusb_host), + .resource = resources_hsusb_host, + .dev = { + .dma_mask = &dma_mask, + .coherent_dma_mask = 0xffffffffULL, + }, +}; + struct clk msm_clocks_8x50[] = { CLK_PCOM("adm_clk", ADM_CLK, NULL, 0), CLK_PCOM("ebi1_clk", EBI1_CLK, NULL, CLK_MIN), diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h index 568443e76423..87c70bfce2bd 100644 --- a/arch/arm/mach-msm/devices.h +++ b/arch/arm/mach-msm/devices.h @@ -28,6 +28,8 @@ extern struct platform_device msm_device_sdc3; extern struct platform_device msm_device_sdc4; extern struct platform_device msm_device_hsusb; +extern struct platform_device msm_device_otg; +extern struct platform_device msm_device_hsusb_host; extern struct platform_device msm_device_i2c; @@ -35,6 +37,10 @@ extern struct platform_device msm_device_smd; extern struct platform_device msm_device_nand; +extern struct platform_device msm_device_mddi0; +extern struct platform_device msm_device_mddi1; +extern struct platform_device msm_device_mdp; + extern struct clk msm_clocks_7x01a[]; extern unsigned msm_num_clocks_7x01a; diff --git a/arch/arm/mach-msm/gpio-v2.c b/arch/arm/mach-msm/gpio-v2.c new file mode 100644 index 000000000000..0de19ec74e34 --- /dev/null +++ b/arch/arm/mach-msm/gpio-v2.c @@ -0,0 +1,426 @@ +/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + * + */ +#define pr_fmt(fmt) "%s: " fmt, __func__ + +#include <linux/bitmap.h> +#include <linux/bitops.h> +#include <linux/gpio.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/spinlock.h> +#include <mach/msm_iomap.h> +#include "gpiomux.h" + +/* Bits of interest in the GPIO_IN_OUT register. + */ +enum { + GPIO_IN = 0, + GPIO_OUT = 1 +}; + +/* Bits of interest in the GPIO_INTR_STATUS register. + */ +enum { + INTR_STATUS = 0, +}; + +/* Bits of interest in the GPIO_CFG register. + */ +enum { + GPIO_OE = 9, +}; + +/* Bits of interest in the GPIO_INTR_CFG register. + * When a GPIO triggers, two separate decisions are made, controlled + * by two separate flags. + * + * - First, INTR_RAW_STATUS_EN controls whether or not the GPIO_INTR_STATUS + * register for that GPIO will be updated to reflect the triggering of that + * gpio. If this bit is 0, this register will not be updated. + * - Second, INTR_ENABLE controls whether an interrupt is triggered. + * + * If INTR_ENABLE is set and INTR_RAW_STATUS_EN is NOT set, an interrupt + * can be triggered but the status register will not reflect it. + */ +enum { + INTR_ENABLE = 0, + INTR_POL_CTL = 1, + INTR_DECT_CTL = 2, + INTR_RAW_STATUS_EN = 3, +}; + +/* Codes of interest in GPIO_INTR_CFG_SU. + */ +enum { + TARGET_PROC_SCORPION = 4, + TARGET_PROC_NONE = 7, +}; + + +#define GPIO_INTR_CFG_SU(gpio) (MSM_TLMM_BASE + 0x0400 + (0x04 * (gpio))) +#define GPIO_CONFIG(gpio) (MSM_TLMM_BASE + 0x1000 + (0x10 * (gpio))) +#define GPIO_IN_OUT(gpio) (MSM_TLMM_BASE + 0x1004 + (0x10 * (gpio))) +#define GPIO_INTR_CFG(gpio) (MSM_TLMM_BASE + 0x1008 + (0x10 * (gpio))) +#define GPIO_INTR_STATUS(gpio) (MSM_TLMM_BASE + 0x100c + (0x10 * (gpio))) + +/** + * struct msm_gpio_dev: the MSM8660 SoC GPIO device structure + * + * @enabled_irqs: a bitmap used to optimize the summary-irq handler. By + * keeping track of which gpios are unmasked as irq sources, we avoid + * having to do readl calls on hundreds of iomapped registers each time + * the summary interrupt fires in order to locate the active interrupts. + * + * @wake_irqs: a bitmap for tracking which interrupt lines are enabled + * as wakeup sources. When the device is suspended, interrupts which are + * not wakeup sources are disabled. + * + * @dual_edge_irqs: a bitmap used to track which irqs are configured + * as dual-edge, as this is not supported by the hardware and requires + * some special handling in the driver. + */ +struct msm_gpio_dev { + struct gpio_chip gpio_chip; + DECLARE_BITMAP(enabled_irqs, NR_GPIO_IRQS); + DECLARE_BITMAP(wake_irqs, NR_GPIO_IRQS); + DECLARE_BITMAP(dual_edge_irqs, NR_GPIO_IRQS); +}; + +static DEFINE_SPINLOCK(tlmm_lock); + +static inline struct msm_gpio_dev *to_msm_gpio_dev(struct gpio_chip *chip) +{ + return container_of(chip, struct msm_gpio_dev, gpio_chip); +} + +static inline void set_gpio_bits(unsigned n, void __iomem *reg) +{ + writel(readl(reg) | n, reg); +} + +static inline void clear_gpio_bits(unsigned n, void __iomem *reg) +{ + writel(readl(reg) & ~n, reg); +} + +static int msm_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + return readl(GPIO_IN_OUT(offset)) & BIT(GPIO_IN); +} + +static void msm_gpio_set(struct gpio_chip *chip, unsigned offset, int val) +{ + writel(val ? BIT(GPIO_OUT) : 0, GPIO_IN_OUT(offset)); +} + +static int msm_gpio_direction_input(struct gpio_chip *chip, unsigned offset) +{ + unsigned long irq_flags; + + spin_lock_irqsave(&tlmm_lock, irq_flags); + clear_gpio_bits(BIT(GPIO_OE), GPIO_CONFIG(offset)); + spin_unlock_irqrestore(&tlmm_lock, irq_flags); + return 0; +} + +static int msm_gpio_direction_output(struct gpio_chip *chip, + unsigned offset, + int val) +{ + unsigned long irq_flags; + + spin_lock_irqsave(&tlmm_lock, irq_flags); + msm_gpio_set(chip, offset, val); + set_gpio_bits(BIT(GPIO_OE), GPIO_CONFIG(offset)); + spin_unlock_irqrestore(&tlmm_lock, irq_flags); + return 0; +} + +static int msm_gpio_request(struct gpio_chip *chip, unsigned offset) +{ + return msm_gpiomux_get(chip->base + offset); +} + +static void msm_gpio_free(struct gpio_chip *chip, unsigned offset) +{ + msm_gpiomux_put(chip->base + offset); +} + +static int msm_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +{ + return MSM_GPIO_TO_INT(chip->base + offset); +} + +static inline int msm_irq_to_gpio(struct gpio_chip *chip, unsigned irq) +{ + return irq - MSM_GPIO_TO_INT(chip->base); +} + +static struct msm_gpio_dev msm_gpio = { + .gpio_chip = { + .base = 0, + .ngpio = NR_GPIO_IRQS, + .direction_input = msm_gpio_direction_input, + .direction_output = msm_gpio_direction_output, + .get = msm_gpio_get, + .set = msm_gpio_set, + .to_irq = msm_gpio_to_irq, + .request = msm_gpio_request, + .free = msm_gpio_free, + }, +}; + +/* For dual-edge interrupts in software, since the hardware has no + * such support: + * + * At appropriate moments, this function may be called to flip the polarity + * settings of both-edge irq lines to try and catch the next edge. + * + * The attempt is considered successful if: + * - the status bit goes high, indicating that an edge was caught, or + * - the input value of the gpio doesn't change during the attempt. + * If the value changes twice during the process, that would cause the first + * test to fail but would force the second, as two opposite + * transitions would cause a detection no matter the polarity setting. + * + * The do-loop tries to sledge-hammer closed the timing hole between + * the initial value-read and the polarity-write - if the line value changes + * during that window, an interrupt is lost, the new polarity setting is + * incorrect, and the first success test will fail, causing a retry. + * + * Algorithm comes from Google's msmgpio driver, see mach-msm/gpio.c. + */ +static void msm_gpio_update_dual_edge_pos(unsigned gpio) +{ + int loop_limit = 100; + unsigned val, val2, intstat; + + do { + val = readl(GPIO_IN_OUT(gpio)) & BIT(GPIO_IN); + if (val) + clear_gpio_bits(BIT(INTR_POL_CTL), GPIO_INTR_CFG(gpio)); + else + set_gpio_bits(BIT(INTR_POL_CTL), GPIO_INTR_CFG(gpio)); + val2 = readl(GPIO_IN_OUT(gpio)) & BIT(GPIO_IN); + intstat = readl(GPIO_INTR_STATUS(gpio)) & BIT(INTR_STATUS); + if (intstat || val == val2) + return; + } while (loop_limit-- > 0); + pr_err("dual-edge irq failed to stabilize, " + "interrupts dropped. %#08x != %#08x\n", + val, val2); +} + +static void msm_gpio_irq_ack(unsigned int irq) +{ + int gpio = msm_irq_to_gpio(&msm_gpio.gpio_chip, irq); + + writel(BIT(INTR_STATUS), GPIO_INTR_STATUS(gpio)); + if (test_bit(gpio, msm_gpio.dual_edge_irqs)) + msm_gpio_update_dual_edge_pos(gpio); +} + +static void msm_gpio_irq_mask(unsigned int irq) +{ + int gpio = msm_irq_to_gpio(&msm_gpio.gpio_chip, irq); + unsigned long irq_flags; + + spin_lock_irqsave(&tlmm_lock, irq_flags); + writel(TARGET_PROC_NONE, GPIO_INTR_CFG_SU(gpio)); + clear_gpio_bits(INTR_RAW_STATUS_EN | INTR_ENABLE, GPIO_INTR_CFG(gpio)); + __clear_bit(gpio, msm_gpio.enabled_irqs); + spin_unlock_irqrestore(&tlmm_lock, irq_flags); +} + +static void msm_gpio_irq_unmask(unsigned int irq) +{ + int gpio = msm_irq_to_gpio(&msm_gpio.gpio_chip, irq); + unsigned long irq_flags; + + spin_lock_irqsave(&tlmm_lock, irq_flags); + __set_bit(gpio, msm_gpio.enabled_irqs); + set_gpio_bits(INTR_RAW_STATUS_EN | INTR_ENABLE, GPIO_INTR_CFG(gpio)); + writel(TARGET_PROC_SCORPION, GPIO_INTR_CFG_SU(gpio)); + spin_unlock_irqrestore(&tlmm_lock, irq_flags); +} + +static int msm_gpio_irq_set_type(unsigned int irq, unsigned int flow_type) +{ + int gpio = msm_irq_to_gpio(&msm_gpio.gpio_chip, irq); + unsigned long irq_flags; + uint32_t bits; + + spin_lock_irqsave(&tlmm_lock, irq_flags); + + bits = readl(GPIO_INTR_CFG(gpio)); + + if (flow_type & IRQ_TYPE_EDGE_BOTH) { + bits |= BIT(INTR_DECT_CTL); + irq_desc[irq].handle_irq = handle_edge_irq; + if ((flow_type & IRQ_TYPE_EDGE_BOTH) == IRQ_TYPE_EDGE_BOTH) + __set_bit(gpio, msm_gpio.dual_edge_irqs); + else + __clear_bit(gpio, msm_gpio.dual_edge_irqs); + } else { + bits &= ~BIT(INTR_DECT_CTL); + irq_desc[irq].handle_irq = handle_level_irq; + __clear_bit(gpio, msm_gpio.dual_edge_irqs); + } + + if (flow_type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_LEVEL_HIGH)) + bits |= BIT(INTR_POL_CTL); + else + bits &= ~BIT(INTR_POL_CTL); + + writel(bits, GPIO_INTR_CFG(gpio)); + + if ((flow_type & IRQ_TYPE_EDGE_BOTH) == IRQ_TYPE_EDGE_BOTH) + msm_gpio_update_dual_edge_pos(gpio); + + spin_unlock_irqrestore(&tlmm_lock, irq_flags); + + return 0; +} + +/* + * When the summary IRQ is raised, any number of GPIO lines may be high. + * It is the job of the summary handler to find all those GPIO lines + * which have been set as summary IRQ lines and which are triggered, + * and to call their interrupt handlers. + */ +static void msm_summary_irq_handler(unsigned int irq, struct irq_desc *desc) +{ + unsigned long i; + + for (i = find_first_bit(msm_gpio.enabled_irqs, NR_GPIO_IRQS); + i < NR_GPIO_IRQS; + i = find_next_bit(msm_gpio.enabled_irqs, NR_GPIO_IRQS, i + 1)) { + if (readl(GPIO_INTR_STATUS(i)) & BIT(INTR_STATUS)) + generic_handle_irq(msm_gpio_to_irq(&msm_gpio.gpio_chip, + i)); + } + desc->chip->ack(irq); +} + +static int msm_gpio_irq_set_wake(unsigned int irq, unsigned int on) +{ + int gpio = msm_irq_to_gpio(&msm_gpio.gpio_chip, irq); + + if (on) { + if (bitmap_empty(msm_gpio.wake_irqs, NR_GPIO_IRQS)) + set_irq_wake(TLMM_SCSS_SUMMARY_IRQ, 1); + set_bit(gpio, msm_gpio.wake_irqs); + } else { + clear_bit(gpio, msm_gpio.wake_irqs); + if (bitmap_empty(msm_gpio.wake_irqs, NR_GPIO_IRQS)) + set_irq_wake(TLMM_SCSS_SUMMARY_IRQ, 0); + } + + return 0; +} + +static struct irq_chip msm_gpio_irq_chip = { + .name = "msmgpio", + .mask = msm_gpio_irq_mask, + .unmask = msm_gpio_irq_unmask, + .ack = msm_gpio_irq_ack, + .set_type = msm_gpio_irq_set_type, + .set_wake = msm_gpio_irq_set_wake, +}; + +static int __devinit msm_gpio_probe(struct platform_device *dev) +{ + int i, irq, ret; + + bitmap_zero(msm_gpio.enabled_irqs, NR_GPIO_IRQS); + bitmap_zero(msm_gpio.wake_irqs, NR_GPIO_IRQS); + bitmap_zero(msm_gpio.dual_edge_irqs, NR_GPIO_IRQS); + msm_gpio.gpio_chip.label = dev->name; + ret = gpiochip_add(&msm_gpio.gpio_chip); + if (ret < 0) + return ret; + + for (i = 0; i < msm_gpio.gpio_chip.ngpio; ++i) { + irq = msm_gpio_to_irq(&msm_gpio.gpio_chip, i); + set_irq_chip(irq, &msm_gpio_irq_chip); + set_irq_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID); + } + + set_irq_chained_handler(TLMM_SCSS_SUMMARY_IRQ, + msm_summary_irq_handler); + return 0; +} + +static int __devexit msm_gpio_remove(struct platform_device *dev) +{ + int ret = gpiochip_remove(&msm_gpio.gpio_chip); + + if (ret < 0) + return ret; + + set_irq_handler(TLMM_SCSS_SUMMARY_IRQ, NULL); + + return 0; +} + +static struct platform_driver msm_gpio_driver = { + .probe = msm_gpio_probe, + .remove = __devexit_p(msm_gpio_remove), + .driver = { + .name = "msmgpio", + .owner = THIS_MODULE, + }, +}; + +static struct platform_device msm_device_gpio = { + .name = "msmgpio", + .id = -1, +}; + +static int __init msm_gpio_init(void) +{ + int rc; + + rc = platform_driver_register(&msm_gpio_driver); + if (!rc) { + rc = platform_device_register(&msm_device_gpio); + if (rc) + platform_driver_unregister(&msm_gpio_driver); + } + + return rc; +} + +static void __exit msm_gpio_exit(void) +{ + platform_device_unregister(&msm_device_gpio); + platform_driver_unregister(&msm_gpio_driver); +} + +postcore_initcall(msm_gpio_init); +module_exit(msm_gpio_exit); + +MODULE_AUTHOR("Gregory Bean <gbean@codeaurora.org>"); +MODULE_DESCRIPTION("Driver for Qualcomm MSM TLMMv2 SoC GPIOs"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:msmgpio"); diff --git a/arch/arm/mach-msm/gpio.c b/arch/arm/mach-msm/gpio.c index 33051b509e88..176af9dcb8ee 100644 --- a/arch/arm/mach-msm/gpio.c +++ b/arch/arm/mach-msm/gpio.c @@ -225,21 +225,21 @@ struct msm_gpio_chip msm_gpio_chips[] = { #endif }; -static void msm_gpio_irq_ack(unsigned int irq) +static void msm_gpio_irq_ack(struct irq_data *d) { unsigned long irq_flags; - struct msm_gpio_chip *msm_chip = get_irq_chip_data(irq); + struct msm_gpio_chip *msm_chip = irq_data_get_irq_chip_data(d); spin_lock_irqsave(&msm_chip->lock, irq_flags); msm_gpio_clear_detect_status(msm_chip, - irq - gpio_to_irq(msm_chip->chip.base)); + d->irq - gpio_to_irq(msm_chip->chip.base)); spin_unlock_irqrestore(&msm_chip->lock, irq_flags); } -static void msm_gpio_irq_mask(unsigned int irq) +static void msm_gpio_irq_mask(struct irq_data *d) { unsigned long irq_flags; - struct msm_gpio_chip *msm_chip = get_irq_chip_data(irq); - unsigned offset = irq - gpio_to_irq(msm_chip->chip.base); + struct msm_gpio_chip *msm_chip = irq_data_get_irq_chip_data(d); + unsigned offset = d->irq - gpio_to_irq(msm_chip->chip.base); spin_lock_irqsave(&msm_chip->lock, irq_flags); /* level triggered interrupts are also latched */ @@ -250,11 +250,11 @@ static void msm_gpio_irq_mask(unsigned int irq) spin_unlock_irqrestore(&msm_chip->lock, irq_flags); } -static void msm_gpio_irq_unmask(unsigned int irq) +static void msm_gpio_irq_unmask(struct irq_data *d) { unsigned long irq_flags; - struct msm_gpio_chip *msm_chip = get_irq_chip_data(irq); - unsigned offset = irq - gpio_to_irq(msm_chip->chip.base); + struct msm_gpio_chip *msm_chip = irq_data_get_irq_chip_data(d); + unsigned offset = d->irq - gpio_to_irq(msm_chip->chip.base); spin_lock_irqsave(&msm_chip->lock, irq_flags); /* level triggered interrupts are also latched */ @@ -265,11 +265,11 @@ static void msm_gpio_irq_unmask(unsigned int irq) spin_unlock_irqrestore(&msm_chip->lock, irq_flags); } -static int msm_gpio_irq_set_wake(unsigned int irq, unsigned int on) +static int msm_gpio_irq_set_wake(struct irq_data *d, unsigned int on) { unsigned long irq_flags; - struct msm_gpio_chip *msm_chip = get_irq_chip_data(irq); - unsigned offset = irq - gpio_to_irq(msm_chip->chip.base); + struct msm_gpio_chip *msm_chip = irq_data_get_irq_chip_data(d); + unsigned offset = d->irq - gpio_to_irq(msm_chip->chip.base); spin_lock_irqsave(&msm_chip->lock, irq_flags); @@ -282,21 +282,21 @@ static int msm_gpio_irq_set_wake(unsigned int irq, unsigned int on) return 0; } -static int msm_gpio_irq_set_type(unsigned int irq, unsigned int flow_type) +static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int flow_type) { unsigned long irq_flags; - struct msm_gpio_chip *msm_chip = get_irq_chip_data(irq); - unsigned offset = irq - gpio_to_irq(msm_chip->chip.base); + struct msm_gpio_chip *msm_chip = irq_data_get_irq_chip_data(d); + unsigned offset = d->irq - gpio_to_irq(msm_chip->chip.base); unsigned val, mask = BIT(offset); spin_lock_irqsave(&msm_chip->lock, irq_flags); val = readl(msm_chip->regs.int_edge); if (flow_type & IRQ_TYPE_EDGE_BOTH) { writel(val | mask, msm_chip->regs.int_edge); - irq_desc[irq].handle_irq = handle_edge_irq; + irq_desc[d->irq].handle_irq = handle_edge_irq; } else { writel(val & ~mask, msm_chip->regs.int_edge); - irq_desc[irq].handle_irq = handle_level_irq; + irq_desc[d->irq].handle_irq = handle_level_irq; } if ((flow_type & IRQ_TYPE_EDGE_BOTH) == IRQ_TYPE_EDGE_BOTH) { msm_chip->both_edge_detect |= mask; @@ -333,16 +333,16 @@ static void msm_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) msm_chip->chip.base + j); } } - desc->chip->ack(irq); + desc->irq_data.chip->irq_ack(&desc->irq_data); } static struct irq_chip msm_gpio_irq_chip = { - .name = "msmgpio", - .ack = msm_gpio_irq_ack, - .mask = msm_gpio_irq_mask, - .unmask = msm_gpio_irq_unmask, - .set_wake = msm_gpio_irq_set_wake, - .set_type = msm_gpio_irq_set_type, + .name = "msmgpio", + .irq_ack = msm_gpio_irq_ack, + .irq_mask = msm_gpio_irq_mask, + .irq_unmask = msm_gpio_irq_unmask, + .irq_set_wake = msm_gpio_irq_set_wake, + .irq_set_type = msm_gpio_irq_set_type, }; static int __init msm_init_gpio(void) diff --git a/arch/arm/mach-msm/headsmp.S b/arch/arm/mach-msm/headsmp.S new file mode 100644 index 000000000000..d0c214338df9 --- /dev/null +++ b/arch/arm/mach-msm/headsmp.S @@ -0,0 +1,40 @@ +/* + * linux/arch/arm/mach-realview/headsmp.S + * + * Copyright (c) 2003 ARM Limited + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/linkage.h> +#include <linux/init.h> + + __INIT + +/* + * MSM specific entry point for secondary CPUs. This provides + * a "holding pen" into which all secondary cores are held until we're + * ready for them to initialise. + */ +ENTRY(msm_secondary_startup) + mrc p15, 0, r0, c0, c0, 5 + and r0, r0, #15 + adr r4, 1f + ldmia r4, {r5, r6} + sub r4, r4, r5 + add r6, r6, r4 +pen: ldr r7, [r6] + cmp r7, r0 + bne pen + + /* + * we've been released from the holding pen: secondary_stack + * should now contain the SVC stack for this core + */ + b secondary_startup + + .align +1: .long . + .long pen_release diff --git a/arch/arm/mach-msm/hotplug.c b/arch/arm/mach-msm/hotplug.c new file mode 100644 index 000000000000..5a31f70dfb8e --- /dev/null +++ b/arch/arm/mach-msm/hotplug.c @@ -0,0 +1,91 @@ +/* + * Copyright (C) 2002 ARM Ltd. + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/smp.h> + +#include <asm/cacheflush.h> + +extern volatile int pen_release; + +static inline void cpu_enter_lowpower(void) +{ + /* Just flush the cache. Changing the coherency is not yet + * available on msm. */ + flush_cache_all(); +} + +static inline void cpu_leave_lowpower(void) +{ +} + +static inline void platform_do_lowpower(unsigned int cpu) +{ + /* Just enter wfi for now. TODO: Properly shut off the cpu. */ + for (;;) { + /* + * here's the WFI + */ + asm("wfi" + : + : + : "memory", "cc"); + + if (pen_release == cpu) { + /* + * OK, proper wakeup, we're done + */ + break; + } + + /* + * getting here, means that we have come out of WFI without + * having been woken up - this shouldn't happen + * + * The trouble is, letting people know about this is not really + * possible, since we are currently running incoherently, and + * therefore cannot safely call printk() or anything else + */ + pr_debug("CPU%u: spurious wakeup call\n", cpu); + } +} + +int platform_cpu_kill(unsigned int cpu) +{ + return 1; +} + +/* + * platform-specific code to shutdown a CPU + * + * Called with IRQs disabled + */ +void platform_cpu_die(unsigned int cpu) +{ + /* + * we're ready for shutdown now, so do it + */ + cpu_enter_lowpower(); + platform_do_lowpower(cpu); + + /* + * bring this CPU back into the world of cache + * coherency, and then restore interrupts + */ + cpu_leave_lowpower(); +} + +int platform_cpu_disable(unsigned int cpu) +{ + /* + * we don't allow CPU 0 to be shutdown (it is still too special + * e.g. clock tick interrupts) + */ + return cpu == 0 ? -EPERM : 0; +} diff --git a/arch/arm/mach-msm/include/mach/entry-macro-qgic.S b/arch/arm/mach-msm/include/mach/entry-macro-qgic.S index 4dc99aa65d07..12467157afb9 100644 --- a/arch/arm/mach-msm/include/mach/entry-macro-qgic.S +++ b/arch/arm/mach-msm/include/mach/entry-macro-qgic.S @@ -26,7 +26,7 @@ * The interrupt numbering scheme is defined in the * interrupt controller spec. To wit: * - * Migrated the code from ARM MP port to be more consistant + * Migrated the code from ARM MP port to be more consistent * with interrupt processing , the following still holds true * however, all interrupts are treated the same regardless of * if they are local IPI or PPI diff --git a/arch/arm/mach-msm/include/mach/iommu.h b/arch/arm/mach-msm/include/mach/iommu.h index 218ef5732a24..296c0f10f230 100644 --- a/arch/arm/mach-msm/include/mach/iommu.h +++ b/arch/arm/mach-msm/include/mach/iommu.h @@ -20,13 +20,26 @@ #include <linux/interrupt.h> +/* Sharability attributes of MSM IOMMU mappings */ +#define MSM_IOMMU_ATTR_NON_SH 0x0 +#define MSM_IOMMU_ATTR_SH 0x4 + +/* Cacheability attributes of MSM IOMMU mappings */ +#define MSM_IOMMU_ATTR_NONCACHED 0x0 +#define MSM_IOMMU_ATTR_CACHED_WB_WA 0x1 +#define MSM_IOMMU_ATTR_CACHED_WB_NWA 0x2 +#define MSM_IOMMU_ATTR_CACHED_WT 0x3 + +/* Mask for the cache policy attribute */ +#define MSM_IOMMU_CP_MASK 0x03 + /* Maximum number of Machine IDs that we are allowing to be mapped to the same * context bank. The number of MIDs mapped to the same CB does not affect * performance, but there is a practical limit on how many distinct MIDs may * be present. These mappings are typically determined at design time and are * not expected to change at run time. */ -#define MAX_NUM_MIDS 16 +#define MAX_NUM_MIDS 32 /** * struct msm_iommu_dev - a single IOMMU hardware instance diff --git a/arch/arm/mach-msm/include/mach/iommu_hw-8xxx.h b/arch/arm/mach-msm/include/mach/iommu_hw-8xxx.h index f9386d3a2f77..c2c3da9444f4 100644 --- a/arch/arm/mach-msm/include/mach/iommu_hw-8xxx.h +++ b/arch/arm/mach-msm/include/mach/iommu_hw-8xxx.h @@ -54,6 +54,7 @@ do { \ #define NUM_FL_PTE 4096 #define NUM_SL_PTE 256 +#define NUM_TEX_CLASS 8 /* First-level page table bits */ #define FL_BASE_MASK 0xFFFFFC00 @@ -63,6 +64,9 @@ do { \ #define FL_AP_WRITE (1 << 10) #define FL_AP_READ (1 << 11) #define FL_SHARED (1 << 16) +#define FL_BUFFERABLE (1 << 2) +#define FL_CACHEABLE (1 << 3) +#define FL_TEX0 (1 << 12) #define FL_OFFSET(va) (((va) & 0xFFF00000) >> 20) /* Second-level page table bits */ @@ -73,8 +77,20 @@ do { \ #define SL_AP0 (1 << 4) #define SL_AP1 (2 << 4) #define SL_SHARED (1 << 10) +#define SL_BUFFERABLE (1 << 2) +#define SL_CACHEABLE (1 << 3) +#define SL_TEX0 (1 << 6) #define SL_OFFSET(va) (((va) & 0xFF000) >> 12) +/* Memory type and cache policy attributes */ +#define MT_SO 0 +#define MT_DEV 1 +#define MT_NORMAL 2 +#define CP_NONCACHED 0 +#define CP_WB_WA 1 +#define CP_WT 2 +#define CP_WB_NWA 3 + /* Global register setters / getters */ #define SET_M2VCBR_N(b, N, v) SET_GLOBAL_REG_N(M2VCBR_N, N, (b), (v)) #define SET_CBACR_N(b, N, v) SET_GLOBAL_REG_N(CBACR_N, N, (b), (v)) @@ -706,7 +722,9 @@ do { \ #define GET_OCPC5(b, c) GET_CONTEXT_FIELD(b, c, NMRR, OCPC5) #define GET_OCPC6(b, c) GET_CONTEXT_FIELD(b, c, NMRR, OCPC6) #define GET_OCPC7(b, c) GET_CONTEXT_FIELD(b, c, NMRR, OCPC7) - +#define NMRR_ICP(nmrr, n) (((nmrr) & (3 << ((n) * 2))) >> ((n) * 2)) +#define NMRR_OCP(nmrr, n) (((nmrr) & (3 << ((n) * 2 + 16))) >> \ + ((n) * 2 + 16)) /* PAR */ #define GET_FAULT(b, c) GET_CONTEXT_FIELD(b, c, PAR, FAULT) @@ -750,6 +768,8 @@ do { \ #define GET_NOS5(b, c) GET_CONTEXT_FIELD(b, c, PRRR, NOS5) #define GET_NOS6(b, c) GET_CONTEXT_FIELD(b, c, PRRR, NOS6) #define GET_NOS7(b, c) GET_CONTEXT_FIELD(b, c, PRRR, NOS7) +#define PRRR_NOS(prrr, n) ((prrr) & (1 << ((n) + 24)) ? 1 : 0) +#define PRRR_MT(prrr, n) ((((prrr) & (3 << ((n) * 2))) >> ((n) * 2))) /* RESUME */ diff --git a/arch/arm/mach-msm/include/mach/irqs-8x60.h b/arch/arm/mach-msm/include/mach/irqs-8x60.h index 36074cfc9ad2..f65841c74c0b 100644 --- a/arch/arm/mach-msm/include/mach/irqs-8x60.h +++ b/arch/arm/mach-msm/include/mach/irqs-8x60.h @@ -237,7 +237,12 @@ #define GSBI11_QUP_IRQ (GIC_SPI_START + 194) #define INT_UART12DM_IRQ (GIC_SPI_START + 195) #define GSBI12_QUP_IRQ (GIC_SPI_START + 196) -/*SPI 197 to 216 arent used in 8x60*/ + +/*SPI 197 to 209 arent used in 8x60*/ +#define SMMU_GFX2D1_CB_SC_SECURE_IRQ (GIC_SPI_START + 210) +#define SMMU_GFX2D1_CB_SC_NON_SECURE_IRQ (GIC_SPI_START + 211) + +/*SPI 212 to 216 arent used in 8x60*/ #define SMPSS_SPARE_1 (GIC_SPI_START + 217) #define SMPSS_SPARE_2 (GIC_SPI_START + 218) #define SMPSS_SPARE_3 (GIC_SPI_START + 219) diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-7x30.h b/arch/arm/mach-msm/include/mach/msm_iomap-7x30.h index 8a00c2defbc1..0fd7b68ca114 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap-7x30.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap-7x30.h @@ -119,4 +119,7 @@ #define MSM_AD5_PHYS 0xA7000000 #define MSM_AD5_SIZE (SZ_1M*13) +#define MSM_HSUSB_PHYS 0xA3600000 +#define MSM_HSUSB_SIZE SZ_1K + #endif diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h index 45bab50e3ee6..a54e33b0882e 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h @@ -60,7 +60,11 @@ #define MSM_TMR_BASE IOMEM(0xF0200000) #define MSM_TMR_PHYS 0x02000000 -#define MSM_TMR_SIZE (SZ_1M) +#define MSM_TMR_SIZE SZ_4K + +#define MSM_TMR0_BASE IOMEM(0xF0201000) +#define MSM_TMR0_PHYS 0x02040000 +#define MSM_TMR0_SIZE SZ_4K #define MSM_GPT_BASE (MSM_TMR_BASE + 0x4) #define MSM_DGT_BASE (MSM_TMR_BASE + 0x24) @@ -98,4 +102,7 @@ #define MSM_IOMMU_GFX2D0_PHYS 0x07D00000 #define MSM_IOMMU_GFX2D0_SIZE SZ_1M +#define MSM_IOMMU_GFX2D1_PHYS 0x07E00000 +#define MSM_IOMMU_GFX2D1_SIZE SZ_1M + #endif diff --git a/arch/arm/mach-msm/include/mach/smp.h b/arch/arm/mach-msm/include/mach/smp.h index 3ff7bf5e679e..a95f7b9efe31 100644 --- a/arch/arm/mach-msm/include/mach/smp.h +++ b/arch/arm/mach-msm/include/mach/smp.h @@ -31,9 +31,9 @@ #include <asm/hardware/gic.h> -static inline void smp_cross_call(const struct cpumask *mask) +static inline void smp_cross_call(const struct cpumask *mask, int ipi) { - gic_raise_softirq(mask, 1); + gic_raise_softirq(mask, ipi); } #endif diff --git a/arch/arm/mach-msm/include/mach/vmalloc.h b/arch/arm/mach-msm/include/mach/vmalloc.h index 31a32ad062dc..d138448eff16 100644 --- a/arch/arm/mach-msm/include/mach/vmalloc.h +++ b/arch/arm/mach-msm/include/mach/vmalloc.h @@ -16,7 +16,7 @@ #ifndef __ASM_ARCH_MSM_VMALLOC_H #define __ASM_ARCH_MSM_VMALLOC_H -#define VMALLOC_END 0xd0000000 +#define VMALLOC_END 0xd0000000UL #endif diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c index d36b61074146..1260007a9dd1 100644 --- a/arch/arm/mach-msm/io.c +++ b/arch/arm/mach-msm/io.c @@ -105,6 +105,7 @@ static struct map_desc msm8x60_io_desc[] __initdata = { MSM_DEVICE(QGIC_DIST), MSM_DEVICE(QGIC_CPU), MSM_DEVICE(TMR), + MSM_DEVICE(TMR0), MSM_DEVICE(ACC), MSM_DEVICE(GCC), }; @@ -153,7 +154,7 @@ __msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) { if (mtype == MT_DEVICE) { /* The peripherals in the 88000000 - D0000000 range - * are only accessable by type MT_DEVICE_NONSHARED. + * are only accessible by type MT_DEVICE_NONSHARED. * Adjust mtype as necessary to make this "just work." */ if ((phys_addr >= 0x88000000) && (phys_addr < 0xD0000000)) @@ -163,3 +164,4 @@ __msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) return __arm_ioremap_caller(phys_addr, size, mtype, __builtin_return_address(0)); } +EXPORT_SYMBOL(__msm_ioremap); diff --git a/arch/arm/mach-msm/iommu.c b/arch/arm/mach-msm/iommu.c index f71747db3bee..e2d58e4cb0d7 100644 --- a/arch/arm/mach-msm/iommu.c +++ b/arch/arm/mach-msm/iommu.c @@ -33,6 +33,16 @@ #include <mach/iommu_hw-8xxx.h> #include <mach/iommu.h> +#define MRC(reg, processor, op1, crn, crm, op2) \ +__asm__ __volatile__ ( \ +" mrc " #processor "," #op1 ", %0," #crn "," #crm "," #op2 "\n" \ +: "=r" (reg)) + +#define RCP15_PRRR(reg) MRC(reg, p15, 0, c10, c2, 0) +#define RCP15_NMRR(reg) MRC(reg, p15, 0, c10, c2, 1) + +static int msm_iommu_tex_class[4]; + DEFINE_SPINLOCK(msm_iommu_lock); struct msm_priv { @@ -40,23 +50,26 @@ struct msm_priv { struct list_head list_attached; }; -static void __flush_iotlb(struct iommu_domain *domain) +static int __flush_iotlb(struct iommu_domain *domain) { struct msm_priv *priv = domain->priv; struct msm_iommu_drvdata *iommu_drvdata; struct msm_iommu_ctx_drvdata *ctx_drvdata; - + int ret = 0; #ifndef CONFIG_IOMMU_PGTABLES_L2 unsigned long *fl_table = priv->pgtable; int i; - dmac_flush_range(fl_table, fl_table + SZ_16K); + if (!list_empty(&priv->list_attached)) { + dmac_flush_range(fl_table, fl_table + SZ_16K); - for (i = 0; i < NUM_FL_PTE; i++) - if ((fl_table[i] & 0x03) == FL_TYPE_TABLE) { - void *sl_table = __va(fl_table[i] & FL_BASE_MASK); - dmac_flush_range(sl_table, sl_table + SZ_4K); - } + for (i = 0; i < NUM_FL_PTE; i++) + if ((fl_table[i] & 0x03) == FL_TYPE_TABLE) { + void *sl_table = __va(fl_table[i] & + FL_BASE_MASK); + dmac_flush_range(sl_table, sl_table + SZ_4K); + } + } #endif list_for_each_entry(ctx_drvdata, &priv->list_attached, attached_elm) { @@ -66,6 +79,8 @@ static void __flush_iotlb(struct iommu_domain *domain) iommu_drvdata = dev_get_drvdata(ctx_drvdata->pdev->dev.parent); SET_CTX_TLBIALL(iommu_drvdata->base, ctx_drvdata->num, 0); } + + return ret; } static void __reset_context(void __iomem *base, int ctx) @@ -95,6 +110,7 @@ static void __reset_context(void __iomem *base, int ctx) static void __program_context(void __iomem *base, int ctx, phys_addr_t pgtable) { + unsigned int prrr, nmrr; __reset_context(base, ctx); /* Set up HTW mode */ @@ -127,11 +143,11 @@ static void __program_context(void __iomem *base, int ctx, phys_addr_t pgtable) /* Turn on TEX Remap */ SET_TRE(base, ctx, 1); - /* Do not configure PRRR / NMRR on the IOMMU for now. We will assume - * TEX class 0 for everything until attributes are properly worked out - */ - SET_PRRR(base, ctx, 0); - SET_NMRR(base, ctx, 0); + /* Set TEX remap attributes */ + RCP15_PRRR(prrr); + RCP15_NMRR(nmrr); + SET_PRRR(base, ctx, prrr); + SET_NMRR(base, ctx, nmrr); /* Turn on BFB prefetch */ SET_BFBDFE(base, ctx, 1); @@ -238,6 +254,11 @@ static int msm_iommu_attach_dev(struct iommu_domain *domain, struct device *dev) goto fail; } + if (!list_empty(&ctx_drvdata->attached_elm)) { + ret = -EBUSY; + goto fail; + } + list_for_each_entry(tmp_drvdata, &priv->list_attached, attached_elm) if (tmp_drvdata == ctx_drvdata) { ret = -EBUSY; @@ -248,7 +269,7 @@ static int msm_iommu_attach_dev(struct iommu_domain *domain, struct device *dev) __pa(priv->pgtable)); list_add(&(ctx_drvdata->attached_elm), &priv->list_attached); - __flush_iotlb(domain); + ret = __flush_iotlb(domain); fail: spin_unlock_irqrestore(&msm_iommu_lock, flags); @@ -263,6 +284,7 @@ static void msm_iommu_detach_dev(struct iommu_domain *domain, struct msm_iommu_drvdata *iommu_drvdata; struct msm_iommu_ctx_drvdata *ctx_drvdata; unsigned long flags; + int ret; spin_lock_irqsave(&msm_iommu_lock, flags); priv = domain->priv; @@ -277,7 +299,10 @@ static void msm_iommu_detach_dev(struct iommu_domain *domain, if (!iommu_drvdata || !ctx_drvdata || !ctx_dev) goto fail; - __flush_iotlb(domain); + ret = __flush_iotlb(domain); + if (ret) + goto fail; + __reset_context(iommu_drvdata->base, ctx_dev->num); list_del_init(&ctx_drvdata->attached_elm); @@ -296,12 +321,21 @@ static int msm_iommu_map(struct iommu_domain *domain, unsigned long va, unsigned long *sl_table; unsigned long *sl_pte; unsigned long sl_offset; + unsigned int pgprot; size_t len = 0x1000UL << order; - int ret = 0; + int ret = 0, tex, sh; spin_lock_irqsave(&msm_iommu_lock, flags); - priv = domain->priv; + sh = (prot & MSM_IOMMU_ATTR_SH) ? 1 : 0; + tex = msm_iommu_tex_class[prot & MSM_IOMMU_CP_MASK]; + + if (tex < 0 || tex > NUM_TEX_CLASS - 1) { + ret = -EINVAL; + goto fail; + } + + priv = domain->priv; if (!priv) { ret = -EINVAL; goto fail; @@ -322,6 +356,18 @@ static int msm_iommu_map(struct iommu_domain *domain, unsigned long va, goto fail; } + if (len == SZ_16M || len == SZ_1M) { + pgprot = sh ? FL_SHARED : 0; + pgprot |= tex & 0x01 ? FL_BUFFERABLE : 0; + pgprot |= tex & 0x02 ? FL_CACHEABLE : 0; + pgprot |= tex & 0x04 ? FL_TEX0 : 0; + } else { + pgprot = sh ? SL_SHARED : 0; + pgprot |= tex & 0x01 ? SL_BUFFERABLE : 0; + pgprot |= tex & 0x02 ? SL_CACHEABLE : 0; + pgprot |= tex & 0x04 ? SL_TEX0 : 0; + } + fl_offset = FL_OFFSET(va); /* Upper 12 bits */ fl_pte = fl_table + fl_offset; /* int pointers, 4 bytes */ @@ -330,17 +376,17 @@ static int msm_iommu_map(struct iommu_domain *domain, unsigned long va, for (i = 0; i < 16; i++) *(fl_pte+i) = (pa & 0xFF000000) | FL_SUPERSECTION | FL_AP_READ | FL_AP_WRITE | FL_TYPE_SECT | - FL_SHARED; + FL_SHARED | pgprot; } if (len == SZ_1M) *fl_pte = (pa & 0xFFF00000) | FL_AP_READ | FL_AP_WRITE | - FL_TYPE_SECT | FL_SHARED; + FL_TYPE_SECT | FL_SHARED | pgprot; /* Need a 2nd level table */ if ((len == SZ_4K || len == SZ_64K) && (*fl_pte) == 0) { unsigned long *sl; - sl = (unsigned long *) __get_free_pages(GFP_KERNEL, + sl = (unsigned long *) __get_free_pages(GFP_ATOMIC, get_order(SZ_4K)); if (!sl) { @@ -360,17 +406,17 @@ static int msm_iommu_map(struct iommu_domain *domain, unsigned long va, if (len == SZ_4K) *sl_pte = (pa & SL_BASE_MASK_SMALL) | SL_AP0 | SL_AP1 | - SL_SHARED | SL_TYPE_SMALL; + SL_SHARED | SL_TYPE_SMALL | pgprot; if (len == SZ_64K) { int i; for (i = 0; i < 16; i++) *(sl_pte+i) = (pa & SL_BASE_MASK_LARGE) | SL_AP0 | - SL_AP1 | SL_SHARED | SL_TYPE_LARGE; + SL_AP1 | SL_SHARED | SL_TYPE_LARGE | pgprot; } - __flush_iotlb(domain); + ret = __flush_iotlb(domain); fail: spin_unlock_irqrestore(&msm_iommu_lock, flags); return ret; @@ -455,7 +501,7 @@ static int msm_iommu_unmap(struct iommu_domain *domain, unsigned long va, } } - __flush_iotlb(domain); + ret = __flush_iotlb(domain); fail: spin_unlock_irqrestore(&msm_iommu_lock, flags); return ret; @@ -490,9 +536,6 @@ static phys_addr_t msm_iommu_iova_to_phys(struct iommu_domain *domain, SET_CTX_TLBIALL(base, ctx, 0); SET_V2PPR_VA(base, ctx, va >> V2Pxx_VA_SHIFT); - if (GET_FAULT(base, ctx)) - goto fail; - par = GET_PAR(base, ctx); /* We are dealing with a supersection */ @@ -501,6 +544,9 @@ static phys_addr_t msm_iommu_iova_to_phys(struct iommu_domain *domain, else /* Upper 20 bits from PAR, lower 12 from VA */ ret = (par & 0xFFFFF000) | (va & 0x00000FFF); + if (GET_FAULT(base, ctx)) + ret = 0; + fail: spin_unlock_irqrestore(&msm_iommu_lock, flags); return ret; @@ -543,8 +589,8 @@ irqreturn_t msm_iommu_fault_handler(int irq, void *dev_id) { struct msm_iommu_drvdata *drvdata = dev_id; void __iomem *base; - unsigned int fsr = 0; - int ncb = 0, i = 0; + unsigned int fsr; + int ncb, i; spin_lock(&msm_iommu_lock); @@ -555,7 +601,6 @@ irqreturn_t msm_iommu_fault_handler(int irq, void *dev_id) base = drvdata->base; - pr_err("===== WOAH! =====\n"); pr_err("Unexpected IOMMU page fault!\n"); pr_err("base = %08x\n", (unsigned int) base); @@ -585,8 +630,47 @@ static struct iommu_ops msm_iommu_ops = { .domain_has_cap = msm_iommu_domain_has_cap }; -static int msm_iommu_init(void) +static int __init get_tex_class(int icp, int ocp, int mt, int nos) +{ + int i = 0; + unsigned int prrr = 0; + unsigned int nmrr = 0; + int c_icp, c_ocp, c_mt, c_nos; + + RCP15_PRRR(prrr); + RCP15_NMRR(nmrr); + + for (i = 0; i < NUM_TEX_CLASS; i++) { + c_nos = PRRR_NOS(prrr, i); + c_mt = PRRR_MT(prrr, i); + c_icp = NMRR_ICP(nmrr, i); + c_ocp = NMRR_OCP(nmrr, i); + + if (icp == c_icp && ocp == c_ocp && c_mt == mt && c_nos == nos) + return i; + } + + return -ENODEV; +} + +static void __init setup_iommu_tex_classes(void) +{ + msm_iommu_tex_class[MSM_IOMMU_ATTR_NONCACHED] = + get_tex_class(CP_NONCACHED, CP_NONCACHED, MT_NORMAL, 1); + + msm_iommu_tex_class[MSM_IOMMU_ATTR_CACHED_WB_WA] = + get_tex_class(CP_WB_WA, CP_WB_WA, MT_NORMAL, 1); + + msm_iommu_tex_class[MSM_IOMMU_ATTR_CACHED_WB_NWA] = + get_tex_class(CP_WB_NWA, CP_WB_NWA, MT_NORMAL, 1); + + msm_iommu_tex_class[MSM_IOMMU_ATTR_CACHED_WT] = + get_tex_class(CP_WT, CP_WT, MT_NORMAL, 1); +} + +static int __init msm_iommu_init(void) { + setup_iommu_tex_classes(); register_iommu(&msm_iommu_ops); return 0; } diff --git a/arch/arm/mach-msm/iommu_dev.c b/arch/arm/mach-msm/iommu_dev.c index 9019cee2907b..b83c73b41fd1 100644 --- a/arch/arm/mach-msm/iommu_dev.c +++ b/arch/arm/mach-msm/iommu_dev.c @@ -346,7 +346,7 @@ static struct platform_driver msm_iommu_ctx_driver = { .remove = msm_iommu_ctx_remove, }; -static int msm_iommu_driver_init(void) +static int __init msm_iommu_driver_init(void) { int ret; ret = platform_driver_register(&msm_iommu_driver); @@ -365,7 +365,7 @@ error: return ret; } -static void msm_iommu_driver_exit(void) +static void __exit msm_iommu_driver_exit(void) { platform_driver_unregister(&msm_iommu_ctx_driver); platform_driver_unregister(&msm_iommu_driver); diff --git a/arch/arm/mach-msm/irq-vic.c b/arch/arm/mach-msm/irq-vic.c index 99f2c3473033..68c28bbdc969 100644 --- a/arch/arm/mach-msm/irq-vic.c +++ b/arch/arm/mach-msm/irq-vic.c @@ -226,19 +226,18 @@ static inline void msm_irq_write_all_regs(void __iomem *base, unsigned int val) writel(val, base + (i * 4)); } -static void msm_irq_ack(unsigned int irq) +static void msm_irq_ack(struct irq_data *d) { - void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_CLEAR0, irq); - irq = 1 << (irq & 31); - writel(irq, reg); + void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_CLEAR0, d->irq); + writel(1 << (d->irq & 31), reg); } -static void msm_irq_mask(unsigned int irq) +static void msm_irq_mask(struct irq_data *d) { - void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_ENCLEAR0, irq); - unsigned index = VIC_INT_TO_REG_INDEX(irq); - uint32_t mask = 1UL << (irq & 31); - int smsm_irq = msm_irq_to_smsm[irq]; + void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_ENCLEAR0, d->irq); + unsigned index = VIC_INT_TO_REG_INDEX(d->irq); + uint32_t mask = 1UL << (d->irq & 31); + int smsm_irq = msm_irq_to_smsm[d->irq]; msm_irq_shadow_reg[index].int_en[0] &= ~mask; writel(mask, reg); @@ -250,12 +249,12 @@ static void msm_irq_mask(unsigned int irq) } } -static void msm_irq_unmask(unsigned int irq) +static void msm_irq_unmask(struct irq_data *d) { - void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_ENSET0, irq); - unsigned index = VIC_INT_TO_REG_INDEX(irq); - uint32_t mask = 1UL << (irq & 31); - int smsm_irq = msm_irq_to_smsm[irq]; + void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_ENSET0, d->irq); + unsigned index = VIC_INT_TO_REG_INDEX(d->irq); + uint32_t mask = 1UL << (d->irq & 31); + int smsm_irq = msm_irq_to_smsm[d->irq]; msm_irq_shadow_reg[index].int_en[0] |= mask; writel(mask, reg); @@ -268,14 +267,14 @@ static void msm_irq_unmask(unsigned int irq) } } -static int msm_irq_set_wake(unsigned int irq, unsigned int on) +static int msm_irq_set_wake(struct irq_data *d, unsigned int on) { - unsigned index = VIC_INT_TO_REG_INDEX(irq); - uint32_t mask = 1UL << (irq & 31); - int smsm_irq = msm_irq_to_smsm[irq]; + unsigned index = VIC_INT_TO_REG_INDEX(d->irq); + uint32_t mask = 1UL << (d->irq & 31); + int smsm_irq = msm_irq_to_smsm[d->irq]; if (smsm_irq == 0) { - printk(KERN_ERR "msm_irq_set_wake: bad wakeup irq %d\n", irq); + printk(KERN_ERR "msm_irq_set_wake: bad wakeup irq %d\n", d->irq); return -EINVAL; } if (on) @@ -294,12 +293,12 @@ static int msm_irq_set_wake(unsigned int irq, unsigned int on) return 0; } -static int msm_irq_set_type(unsigned int irq, unsigned int flow_type) +static int msm_irq_set_type(struct irq_data *d, unsigned int flow_type) { - void __iomem *treg = VIC_INT_TO_REG_ADDR(VIC_INT_TYPE0, irq); - void __iomem *preg = VIC_INT_TO_REG_ADDR(VIC_INT_POLARITY0, irq); - unsigned index = VIC_INT_TO_REG_INDEX(irq); - int b = 1 << (irq & 31); + void __iomem *treg = VIC_INT_TO_REG_ADDR(VIC_INT_TYPE0, d->irq); + void __iomem *preg = VIC_INT_TO_REG_ADDR(VIC_INT_POLARITY0, d->irq); + unsigned index = VIC_INT_TO_REG_INDEX(d->irq); + int b = 1 << (d->irq & 31); uint32_t polarity; uint32_t type; @@ -314,11 +313,11 @@ static int msm_irq_set_type(unsigned int irq, unsigned int flow_type) type = msm_irq_shadow_reg[index].int_type; if (flow_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) { type |= b; - irq_desc[irq].handle_irq = handle_edge_irq; + irq_desc[d->irq].handle_irq = handle_edge_irq; } if (flow_type & (IRQF_TRIGGER_HIGH | IRQF_TRIGGER_LOW)) { type &= ~b; - irq_desc[irq].handle_irq = handle_level_irq; + irq_desc[d->irq].handle_irq = handle_level_irq; } writel(type, treg); msm_irq_shadow_reg[index].int_type = type; @@ -326,13 +325,13 @@ static int msm_irq_set_type(unsigned int irq, unsigned int flow_type) } static struct irq_chip msm_irq_chip = { - .name = "msm", - .disable = msm_irq_mask, - .ack = msm_irq_ack, - .mask = msm_irq_mask, - .unmask = msm_irq_unmask, - .set_wake = msm_irq_set_wake, - .set_type = msm_irq_set_type, + .name = "msm", + .irq_disable = msm_irq_mask, + .irq_ack = msm_irq_ack, + .irq_mask = msm_irq_mask, + .irq_unmask = msm_irq_unmask, + .irq_set_wake = msm_irq_set_wake, + .irq_set_type = msm_irq_set_type, }; void __init msm_init_irq(void) diff --git a/arch/arm/mach-msm/irq.c b/arch/arm/mach-msm/irq.c index 6c8d5f8caef3..0b27d899f40e 100644 --- a/arch/arm/mach-msm/irq.c +++ b/arch/arm/mach-msm/irq.c @@ -64,35 +64,34 @@ #define VIC_VECTPRIORITY(n) VIC_REG(0x0200+((n) * 4)) #define VIC_VECTADDR(n) VIC_REG(0x0400+((n) * 4)) -static void msm_irq_ack(unsigned int irq) +static void msm_irq_ack(struct irq_data *d) { - void __iomem *reg = VIC_INT_CLEAR0 + ((irq & 32) ? 4 : 0); - irq = 1 << (irq & 31); - writel(irq, reg); + void __iomem *reg = VIC_INT_CLEAR0 + ((d->irq & 32) ? 4 : 0); + writel(1 << (d->irq & 31), reg); } -static void msm_irq_mask(unsigned int irq) +static void msm_irq_mask(struct irq_data *d) { - void __iomem *reg = VIC_INT_ENCLEAR0 + ((irq & 32) ? 4 : 0); - writel(1 << (irq & 31), reg); + void __iomem *reg = VIC_INT_ENCLEAR0 + ((d->irq & 32) ? 4 : 0); + writel(1 << (d->irq & 31), reg); } -static void msm_irq_unmask(unsigned int irq) +static void msm_irq_unmask(struct irq_data *d) { - void __iomem *reg = VIC_INT_ENSET0 + ((irq & 32) ? 4 : 0); - writel(1 << (irq & 31), reg); + void __iomem *reg = VIC_INT_ENSET0 + ((d->irq & 32) ? 4 : 0); + writel(1 << (d->irq & 31), reg); } -static int msm_irq_set_wake(unsigned int irq, unsigned int on) +static int msm_irq_set_wake(struct irq_data *d, unsigned int on) { return -EINVAL; } -static int msm_irq_set_type(unsigned int irq, unsigned int flow_type) +static int msm_irq_set_type(struct irq_data *d, unsigned int flow_type) { - void __iomem *treg = VIC_INT_TYPE0 + ((irq & 32) ? 4 : 0); - void __iomem *preg = VIC_INT_POLARITY0 + ((irq & 32) ? 4 : 0); - int b = 1 << (irq & 31); + void __iomem *treg = VIC_INT_TYPE0 + ((d->irq & 32) ? 4 : 0); + void __iomem *preg = VIC_INT_POLARITY0 + ((d->irq & 32) ? 4 : 0); + int b = 1 << (d->irq & 31); if (flow_type & (IRQF_TRIGGER_FALLING | IRQF_TRIGGER_LOW)) writel(readl(preg) | b, preg); @@ -101,22 +100,22 @@ static int msm_irq_set_type(unsigned int irq, unsigned int flow_type) if (flow_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) { writel(readl(treg) | b, treg); - irq_desc[irq].handle_irq = handle_edge_irq; + irq_desc[d->irq].handle_irq = handle_edge_irq; } if (flow_type & (IRQF_TRIGGER_HIGH | IRQF_TRIGGER_LOW)) { writel(readl(treg) & (~b), treg); - irq_desc[irq].handle_irq = handle_level_irq; + irq_desc[d->irq].handle_irq = handle_level_irq; } return 0; } static struct irq_chip msm_irq_chip = { - .name = "msm", - .ack = msm_irq_ack, - .mask = msm_irq_mask, - .unmask = msm_irq_unmask, - .set_wake = msm_irq_set_wake, - .set_type = msm_irq_set_type, + .name = "msm", + .irq_ack = msm_irq_ack, + .irq_mask = msm_irq_mask, + .irq_unmask = msm_irq_unmask, + .irq_set_wake = msm_irq_set_wake, + .irq_set_type = msm_irq_set_type, }; void __init msm_init_irq(void) diff --git a/arch/arm/mach-msm/platsmp.c b/arch/arm/mach-msm/platsmp.c new file mode 100644 index 000000000000..0f427bc94447 --- /dev/null +++ b/arch/arm/mach-msm/platsmp.c @@ -0,0 +1,166 @@ +/* + * Copyright (C) 2002 ARM Ltd. + * All Rights Reserved + * Copyright (c) 2010, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/jiffies.h> +#include <linux/smp.h> +#include <linux/io.h> + +#include <asm/hardware/gic.h> +#include <asm/cacheflush.h> +#include <asm/mach-types.h> + +#include <mach/msm_iomap.h> + +#include "scm-boot.h" + +#define VDD_SC1_ARRAY_CLAMP_GFS_CTL 0x15A0 +#define SCSS_CPU1CORE_RESET 0xD80 +#define SCSS_DBG_STATUS_CORE_PWRDUP 0xE64 + +/* Mask for edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */ +#define GIC_PPI_EDGE_MASK 0xFFFFD7FF + +extern void msm_secondary_startup(void); +/* + * control for which core is the next to come out of the secondary + * boot "holding pen". + */ +volatile int pen_release = -1; + +static DEFINE_SPINLOCK(boot_lock); + +void __cpuinit platform_secondary_init(unsigned int cpu) +{ + /* Configure edge-triggered PPIs */ + writel(GIC_PPI_EDGE_MASK, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4); + + /* + * 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); + + /* + * let the primary processor know we're out of the + * pen, then head off into the C entry point + */ + pen_release = -1; + smp_wmb(); + + /* + * Synchronise with the boot thread. + */ + spin_lock(&boot_lock); + spin_unlock(&boot_lock); +} + +static __cpuinit void prepare_cold_cpu(unsigned int cpu) +{ + int ret; + ret = scm_set_boot_addr(virt_to_phys(msm_secondary_startup), + SCM_FLAG_COLDBOOT_CPU1); + if (ret == 0) { + void *sc1_base_ptr; + sc1_base_ptr = ioremap_nocache(0x00902000, SZ_4K*2); + if (sc1_base_ptr) { + writel(0, sc1_base_ptr + VDD_SC1_ARRAY_CLAMP_GFS_CTL); + writel(0, sc1_base_ptr + SCSS_CPU1CORE_RESET); + writel(3, sc1_base_ptr + SCSS_DBG_STATUS_CORE_PWRDUP); + iounmap(sc1_base_ptr); + } + } else + printk(KERN_DEBUG "Failed to set secondary core boot " + "address\n"); +} + +int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) +{ + unsigned long timeout; + static int cold_boot_done; + + /* Only need to bring cpu out of reset this way once */ + if (cold_boot_done == false) { + prepare_cold_cpu(cpu); + cold_boot_done = true; + } + + /* + * set synchronisation state between this boot processor + * and the secondary one + */ + spin_lock(&boot_lock); + + /* + * The secondary processor is waiting to be released from + * the holding pen - release it, then wait for it to flag + * that it has been released by resetting pen_release. + * + * Note that "pen_release" is the hardware CPU ID, whereas + * "cpu" is Linux's internal ID. + */ + pen_release = cpu; + __cpuc_flush_dcache_area((void *)&pen_release, sizeof(pen_release)); + outer_clean_range(__pa(&pen_release), __pa(&pen_release + 1)); + + /* + * Send the secondary CPU a soft interrupt, thereby causing + * the boot monitor to read the system wide flags register, + * and branch to the address found there. + */ + smp_cross_call(cpumask_of(cpu), 1); + + timeout = jiffies + (1 * HZ); + while (time_before(jiffies, timeout)) { + smp_rmb(); + if (pen_release == -1) + break; + + udelay(10); + } + + /* + * now the secondary core is starting up let it run its + * calibrations, then wait for it to finish + */ + spin_unlock(&boot_lock); + + return pen_release != -1 ? -ENOSYS : 0; +} + +/* + * Initialise the CPU possible map early - this describes the CPUs + * which may be present or become present in the system. The msm8x60 + * does not support the ARM SCU, so just set the possible cpu mask to + * NR_CPUS. + */ +void __init smp_init_cpus(void) +{ + unsigned int i; + + for (i = 0; i < NR_CPUS; i++) + set_cpu_possible(i, true); +} + +void __init platform_smp_prepare_cpus(unsigned int max_cpus) +{ + int i; + + /* + * Initialise the present map, which describes the set of CPUs + * actually populated at the present time. + */ + for (i = 0; i < max_cpus; i++) + set_cpu_present(i, true); +} diff --git a/arch/arm/mach-msm/scm-boot.c b/arch/arm/mach-msm/scm-boot.c new file mode 100644 index 000000000000..45cee3e469a5 --- /dev/null +++ b/arch/arm/mach-msm/scm-boot.c @@ -0,0 +1,39 @@ +/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include <linux/module.h> +#include <linux/slab.h> + +#include "scm.h" +#include "scm-boot.h" + +/* + * Set the cold/warm boot address for one of the CPU cores. + */ +int scm_set_boot_addr(phys_addr_t addr, int flags) +{ + struct { + unsigned int flags; + phys_addr_t addr; + } cmd; + + cmd.addr = addr; + cmd.flags = flags; + return scm_call(SCM_SVC_BOOT, SCM_BOOT_ADDR, + &cmd, sizeof(cmd), NULL, 0); +} +EXPORT_SYMBOL(scm_set_boot_addr); diff --git a/arch/arm/mach-msm/scm-boot.h b/arch/arm/mach-msm/scm-boot.h new file mode 100644 index 000000000000..68f9b6153d74 --- /dev/null +++ b/arch/arm/mach-msm/scm-boot.h @@ -0,0 +1,38 @@ +/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * * Neither the name of Code Aurora Forum, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef __MACH_SCM_BOOT_H +#define __MACH_SCM_BOOT_H + +#define SCM_BOOT_ADDR 0x1 +#define SCM_FLAG_COLDBOOT_CPU1 0x1 +#define SCM_FLAG_WARMBOOT_CPU1 0x2 +#define SCM_FLAG_WARMBOOT_CPU0 0x4 + +int scm_set_boot_addr(phys_addr_t addr, int flags); + +#endif diff --git a/arch/arm/mach-msm/scm.c b/arch/arm/mach-msm/scm.c new file mode 100644 index 000000000000..f4b9bc90d6a7 --- /dev/null +++ b/arch/arm/mach-msm/scm.c @@ -0,0 +1,287 @@ +/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include <linux/slab.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/errno.h> +#include <linux/err.h> + +#include <asm/cacheflush.h> + +#include "scm.h" + +/* Cache line size for msm8x60 */ +#define CACHELINESIZE 32 + +#define SCM_ENOMEM -5 +#define SCM_EOPNOTSUPP -4 +#define SCM_EINVAL_ADDR -3 +#define SCM_EINVAL_ARG -2 +#define SCM_ERROR -1 +#define SCM_INTERRUPTED 1 + +static DEFINE_MUTEX(scm_lock); + +/** + * struct scm_command - one SCM command buffer + * @len: total available memory for command and response + * @buf_offset: start of command buffer + * @resp_hdr_offset: start of response buffer + * @id: command to be executed + * @buf: buffer returned from scm_get_command_buffer() + * + * An SCM command is layed out in memory as follows: + * + * ------------------- <--- struct scm_command + * | command header | + * ------------------- <--- scm_get_command_buffer() + * | command buffer | + * ------------------- <--- struct scm_response and + * | response header | scm_command_to_response() + * ------------------- <--- scm_get_response_buffer() + * | response buffer | + * ------------------- + * + * There can be arbitrary padding between the headers and buffers so + * you should always use the appropriate scm_get_*_buffer() routines + * to access the buffers in a safe manner. + */ +struct scm_command { + u32 len; + u32 buf_offset; + u32 resp_hdr_offset; + u32 id; + u32 buf[0]; +}; + +/** + * struct scm_response - one SCM response buffer + * @len: total available memory for response + * @buf_offset: start of response data relative to start of scm_response + * @is_complete: indicates if the command has finished processing + */ +struct scm_response { + u32 len; + u32 buf_offset; + u32 is_complete; +}; + +/** + * alloc_scm_command() - Allocate an SCM command + * @cmd_size: size of the command buffer + * @resp_size: size of the response buffer + * + * Allocate an SCM command, including enough room for the command + * and response headers as well as the command and response buffers. + * + * Returns a valid &scm_command on success or %NULL if the allocation fails. + */ +static struct scm_command *alloc_scm_command(size_t cmd_size, size_t resp_size) +{ + struct scm_command *cmd; + size_t len = sizeof(*cmd) + sizeof(struct scm_response) + cmd_size + + resp_size; + + cmd = kzalloc(PAGE_ALIGN(len), GFP_KERNEL); + if (cmd) { + cmd->len = len; + cmd->buf_offset = offsetof(struct scm_command, buf); + cmd->resp_hdr_offset = cmd->buf_offset + cmd_size; + } + return cmd; +} + +/** + * free_scm_command() - Free an SCM command + * @cmd: command to free + * + * Free an SCM command. + */ +static inline void free_scm_command(struct scm_command *cmd) +{ + kfree(cmd); +} + +/** + * scm_command_to_response() - Get a pointer to a scm_response + * @cmd: command + * + * Returns a pointer to a response for a command. + */ +static inline struct scm_response *scm_command_to_response( + const struct scm_command *cmd) +{ + return (void *)cmd + cmd->resp_hdr_offset; +} + +/** + * scm_get_command_buffer() - Get a pointer to a command buffer + * @cmd: command + * + * Returns a pointer to the command buffer of a command. + */ +static inline void *scm_get_command_buffer(const struct scm_command *cmd) +{ + return (void *)cmd->buf; +} + +/** + * scm_get_response_buffer() - Get a pointer to a response buffer + * @rsp: response + * + * Returns a pointer to a response buffer of a response. + */ +static inline void *scm_get_response_buffer(const struct scm_response *rsp) +{ + return (void *)rsp + rsp->buf_offset; +} + +static int scm_remap_error(int err) +{ + switch (err) { + case SCM_ERROR: + return -EIO; + case SCM_EINVAL_ADDR: + case SCM_EINVAL_ARG: + return -EINVAL; + case SCM_EOPNOTSUPP: + return -EOPNOTSUPP; + case SCM_ENOMEM: + return -ENOMEM; + } + return -EINVAL; +} + +static u32 smc(u32 cmd_addr) +{ + int context_id; + register u32 r0 asm("r0") = 1; + register u32 r1 asm("r1") = (u32)&context_id; + register u32 r2 asm("r2") = cmd_addr; + asm( + __asmeq("%0", "r0") + __asmeq("%1", "r0") + __asmeq("%2", "r1") + __asmeq("%3", "r2") + "smc #0 @ switch to secure world\n" + : "=r" (r0) + : "r" (r0), "r" (r1), "r" (r2) + : "r3"); + return r0; +} + +static int __scm_call(const struct scm_command *cmd) +{ + int ret; + u32 cmd_addr = virt_to_phys(cmd); + + /* + * Flush the entire cache here so callers don't have to remember + * to flush the cache when passing physical addresses to the secure + * side in the buffer. + */ + flush_cache_all(); + do { + ret = smc(cmd_addr); + if (ret < 0) { + ret = scm_remap_error(ret); + break; + } + } while (ret == SCM_INTERRUPTED); + + return ret; +} + +/** + * scm_call() - Send an SCM command + * @svc_id: service identifier + * @cmd_id: command identifier + * @cmd_buf: command buffer + * @cmd_len: length of the command buffer + * @resp_buf: response buffer + * @resp_len: length of the response buffer + * + * Sends a command to the SCM and waits for the command to finish processing. + */ +int scm_call(u32 svc_id, u32 cmd_id, const void *cmd_buf, size_t cmd_len, + void *resp_buf, size_t resp_len) +{ + int ret; + struct scm_command *cmd; + struct scm_response *rsp; + + cmd = alloc_scm_command(cmd_len, resp_len); + if (!cmd) + return -ENOMEM; + + cmd->id = (svc_id << 10) | cmd_id; + if (cmd_buf) + memcpy(scm_get_command_buffer(cmd), cmd_buf, cmd_len); + + mutex_lock(&scm_lock); + ret = __scm_call(cmd); + mutex_unlock(&scm_lock); + if (ret) + goto out; + + rsp = scm_command_to_response(cmd); + do { + u32 start = (u32)rsp; + u32 end = (u32)scm_get_response_buffer(rsp) + resp_len; + start &= ~(CACHELINESIZE - 1); + while (start < end) { + asm ("mcr p15, 0, %0, c7, c6, 1" : : "r" (start) + : "memory"); + start += CACHELINESIZE; + } + } while (!rsp->is_complete); + + if (resp_buf) + memcpy(resp_buf, scm_get_response_buffer(rsp), resp_len); +out: + free_scm_command(cmd); + return ret; +} +EXPORT_SYMBOL(scm_call); + +u32 scm_get_version(void) +{ + int context_id; + static u32 version = -1; + register u32 r0 asm("r0") = 0x1 << 8; + register u32 r1 asm("r1") = (u32)&context_id; + + if (version != -1) + return version; + + mutex_lock(&scm_lock); + asm( + __asmeq("%0", "r1") + __asmeq("%1", "r0") + __asmeq("%2", "r1") + "smc #0 @ switch to secure world\n" + : "=r" (r1) + : "r" (r0), "r" (r1) + : "r2", "r3"); + version = r1; + mutex_unlock(&scm_lock); + + return version; +} +EXPORT_SYMBOL(scm_get_version); diff --git a/arch/arm/mach-msm/scm.h b/arch/arm/mach-msm/scm.h new file mode 100644 index 000000000000..261786be11c5 --- /dev/null +++ b/arch/arm/mach-msm/scm.h @@ -0,0 +1,41 @@ +/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * * Neither the name of Code Aurora Forum, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef __MACH_SCM_H +#define __MACH_SCM_H + +#define SCM_SVC_BOOT 0x1 +#define SCM_SVC_PIL 0x2 + +extern int scm_call(u32 svc_id, u32 cmd_id, const void *cmd_buf, size_t cmd_len, + void *resp_buf, size_t resp_len); + +#define SCM_VERSION(major, minor) (((major) << 16) | ((minor) & 0xFF)) + +extern u32 scm_get_version(void); + +#endif diff --git a/arch/arm/mach-msm/sirc.c b/arch/arm/mach-msm/sirc.c index b0794524ba6e..11b54c7aeb09 100644 --- a/arch/arm/mach-msm/sirc.c +++ b/arch/arm/mach-msm/sirc.c @@ -40,17 +40,13 @@ static struct sirc_cascade_regs sirc_reg_table[] = { } }; -static unsigned int save_type; -static unsigned int save_polarity; - /* Mask off the given interrupt. Keep the int_enable mask in sync with the enable reg, so it can be restored after power collapse. */ -static void sirc_irq_mask(unsigned int irq) +static void sirc_irq_mask(struct irq_data *d) { unsigned int mask; - - mask = 1 << (irq - FIRST_SIRC_IRQ); + mask = 1 << (d->irq - FIRST_SIRC_IRQ); writel(mask, sirc_regs.int_enable_clear); int_enable &= ~mask; return; @@ -58,31 +54,31 @@ static void sirc_irq_mask(unsigned int irq) /* Unmask the given interrupt. Keep the int_enable mask in sync with the enable reg, so it can be restored after power collapse. */ -static void sirc_irq_unmask(unsigned int irq) +static void sirc_irq_unmask(struct irq_data *d) { unsigned int mask; - mask = 1 << (irq - FIRST_SIRC_IRQ); + mask = 1 << (d->irq - FIRST_SIRC_IRQ); writel(mask, sirc_regs.int_enable_set); int_enable |= mask; return; } -static void sirc_irq_ack(unsigned int irq) +static void sirc_irq_ack(struct irq_data *d) { unsigned int mask; - mask = 1 << (irq - FIRST_SIRC_IRQ); + mask = 1 << (d->irq - FIRST_SIRC_IRQ); writel(mask, sirc_regs.int_clear); return; } -static int sirc_irq_set_wake(unsigned int irq, unsigned int on) +static int sirc_irq_set_wake(struct irq_data *d, unsigned int on) { unsigned int mask; /* Used to set the interrupt enable mask during power collapse. */ - mask = 1 << (irq - FIRST_SIRC_IRQ); + mask = 1 << (d->irq - FIRST_SIRC_IRQ); if (on) wake_enable |= mask; else @@ -91,12 +87,12 @@ static int sirc_irq_set_wake(unsigned int irq, unsigned int on) return 0; } -static int sirc_irq_set_type(unsigned int irq, unsigned int flow_type) +static int sirc_irq_set_type(struct irq_data *d, unsigned int flow_type) { unsigned int mask; unsigned int val; - mask = 1 << (irq - FIRST_SIRC_IRQ); + mask = 1 << (d->irq - FIRST_SIRC_IRQ); val = readl(sirc_regs.int_polarity); if (flow_type & (IRQF_TRIGGER_LOW | IRQF_TRIGGER_FALLING)) @@ -109,10 +105,10 @@ static int sirc_irq_set_type(unsigned int irq, unsigned int flow_type) val = readl(sirc_regs.int_type); if (flow_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) { val |= mask; - irq_desc[irq].handle_irq = handle_edge_irq; + irq_desc[d->irq].handle_irq = handle_edge_irq; } else { val &= ~mask; - irq_desc[irq].handle_irq = handle_level_irq; + irq_desc[d->irq].handle_irq = handle_level_irq; } writel(val, sirc_regs.int_type); @@ -142,16 +138,16 @@ static void sirc_irq_handler(unsigned int irq, struct irq_desc *desc) ; generic_handle_irq(sirq+FIRST_SIRC_IRQ); - desc->chip->ack(irq); + desc->irq_data.chip->irq_ack(&desc->irq_data); } static struct irq_chip sirc_irq_chip = { - .name = "sirc", - .ack = sirc_irq_ack, - .mask = sirc_irq_mask, - .unmask = sirc_irq_unmask, - .set_wake = sirc_irq_set_wake, - .set_type = sirc_irq_set_type, + .name = "sirc", + .irq_ack = sirc_irq_ack, + .irq_mask = sirc_irq_mask, + .irq_unmask = sirc_irq_unmask, + .irq_set_wake = sirc_irq_set_wake, + .irq_set_type = sirc_irq_set_type, }; void __init msm_init_sirc(void) diff --git a/arch/arm/mach-msm/smd.c b/arch/arm/mach-msm/smd.c index f07dc7c738f0..657be73297db 100644 --- a/arch/arm/mach-msm/smd.c +++ b/arch/arm/mach-msm/smd.c @@ -14,6 +14,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/platform_device.h> #include <linux/module.h> #include <linux/fs.h> @@ -89,7 +91,7 @@ static void smd_diag(void) x = smem_find(ID_DIAG_ERR_MSG, SZ_DIAG_ERR_MSG); if (x != 0) { x[SZ_DIAG_ERR_MSG - 1] = 0; - pr_info("smem: DIAG '%s'\n", x); + pr_debug("DIAG '%s'\n", x); } } @@ -312,7 +314,7 @@ static void smd_state_change(struct smd_channel *ch, { ch->last_state = next; - pr_info("SMD: ch %d %d -> %d\n", ch->n, last, next); + pr_debug("ch %d %d -> %d\n", ch->n, last, next); switch (next) { case SMD_SS_OPENING: @@ -601,7 +603,7 @@ static int smd_alloc_channel(const char *name, uint32_t cid, uint32_t type) ch->pdev.name = ch->name; ch->pdev.id = -1; - pr_info("smd_alloc_channel() cid=%02d size=%05d '%s'\n", + pr_debug("smd_alloc_channel() cid=%02d size=%05d '%s'\n", ch->n, ch->fifo_size, ch->name); mutex_lock(&smd_creation_mutex); @@ -621,7 +623,7 @@ static void smd_channel_probe_worker(struct work_struct *work) shared = smem_find(ID_CH_ALLOC_TBL, sizeof(*shared) * 64); if (!shared) { - pr_err("smd: cannot find allocation table\n"); + pr_err("cannot find allocation table\n"); return; } for (n = 0; n < 64; n++) { @@ -725,8 +727,6 @@ int smd_close(smd_channel_t *ch) { unsigned long flags; - pr_info("smd_close(%p)\n", ch); - if (ch == 0) return -1; @@ -939,7 +939,6 @@ int smsm_set_sleep_duration(uint32_t delay) int smd_core_init(void) { int r; - pr_info("smd_core_init()\n"); /* wait for essential items to be initialized */ for (;;) { @@ -992,15 +991,11 @@ int smd_core_init(void) smsm_change_state(SMSM_STATE_APPS_DEM, ~0, 0); #endif - pr_info("smd_core_init() done\n"); - return 0; } static int __devinit msm_smd_probe(struct platform_device *pdev) { - pr_info("smd_init()\n"); - /* * If we haven't waited for the ARM9 to boot up till now, * then we need to wait here. Otherwise this should just diff --git a/arch/arm/mach-msm/smd_debug.c b/arch/arm/mach-msm/smd_debug.c index f91c3b7bc655..8736afff82f3 100644 --- a/arch/arm/mach-msm/smd_debug.c +++ b/arch/arm/mach-msm/smd_debug.c @@ -270,8 +270,10 @@ void smsm_print_sleep_info(void) { unsigned long flags; uint32_t *ptr; +#ifndef CONFIG_ARCH_MSM_SCORPION struct tramp_gpio_smem *gpio; struct smsm_interrupt_info *int_info; +#endif spin_lock_irqsave(&smem_lock, flags); diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c index 950100f19d07..c105d28b53e3 100644 --- a/arch/arm/mach-msm/timer.c +++ b/arch/arm/mach-msm/timer.c @@ -47,6 +47,19 @@ enum { #define GPT_HZ 32768 +enum timer_location { + LOCAL_TIMER = 0, + GLOBAL_TIMER = 1, +}; + +#ifdef MSM_TMR0_BASE +#define MSM_TMR_GLOBAL (MSM_TMR0_BASE - MSM_TMR_BASE) +#else +#define MSM_TMR_GLOBAL 0 +#endif + +#define MSM_GLOBAL_TIMER MSM_CLOCK_DGT + #if defined(CONFIG_ARCH_QSD8X50) #define DGT_HZ (19200000 / 4) /* 19.2 MHz / 4 by default */ #define MSM_DGT_SHIFT (0) @@ -65,49 +78,67 @@ struct msm_clock { void __iomem *regbase; uint32_t freq; uint32_t shift; + void __iomem *global_counter; + void __iomem *local_counter; +}; + +enum { + MSM_CLOCK_GPT, + MSM_CLOCK_DGT, + NR_TIMERS, }; + +static struct msm_clock msm_clocks[]; +static struct clock_event_device *local_clock_event; + static irqreturn_t msm_timer_interrupt(int irq, void *dev_id) { struct clock_event_device *evt = dev_id; + if (smp_processor_id() != 0) + evt = local_clock_event; + if (evt->event_handler == NULL) + return IRQ_HANDLED; evt->event_handler(evt); return IRQ_HANDLED; } -static cycle_t msm_gpt_read(struct clocksource *cs) +static cycle_t msm_read_timer_count(struct clocksource *cs) { - return readl(MSM_GPT_BASE + TIMER_COUNT_VAL); + struct msm_clock *clk = container_of(cs, struct msm_clock, clocksource); + + return readl(clk->global_counter); } -static cycle_t msm_dgt_read(struct clocksource *cs) +static struct msm_clock *clockevent_to_clock(struct clock_event_device *evt) { - return readl(MSM_DGT_BASE + TIMER_COUNT_VAL) >> MSM_DGT_SHIFT; +#ifdef CONFIG_SMP + int i; + for (i = 0; i < NR_TIMERS; i++) + if (evt == &(msm_clocks[i].clockevent)) + return &msm_clocks[i]; + return &msm_clocks[MSM_GLOBAL_TIMER]; +#else + return container_of(evt, struct msm_clock, clockevent); +#endif } static int msm_timer_set_next_event(unsigned long cycles, struct clock_event_device *evt) { - struct msm_clock *clock = container_of(evt, struct msm_clock, clockevent); - uint32_t now = readl(clock->regbase + TIMER_COUNT_VAL); + struct msm_clock *clock = clockevent_to_clock(evt); + uint32_t now = readl(clock->local_counter); uint32_t alarm = now + (cycles << clock->shift); - int late; writel(alarm, clock->regbase + TIMER_MATCH_VAL); - now = readl(clock->regbase + TIMER_COUNT_VAL); - late = now - alarm; - if (late >= (-2 << clock->shift) && late < DGT_HZ*5) { - printk(KERN_NOTICE "msm_timer_set_next_event(%lu) clock %s, " - "alarm already expired, now %x, alarm %x, late %d\n", - cycles, clock->clockevent.name, now, alarm, late); - return -ETIME; - } return 0; } static void msm_timer_set_mode(enum clock_event_mode mode, struct clock_event_device *evt) { - struct msm_clock *clock = container_of(evt, struct msm_clock, clockevent); + struct msm_clock *clock = clockevent_to_clock(evt); + switch (mode) { case CLOCK_EVT_MODE_RESUME: case CLOCK_EVT_MODE_PERIODIC: @@ -123,7 +154,7 @@ static void msm_timer_set_mode(enum clock_event_mode mode, } static struct msm_clock msm_clocks[] = { - { + [MSM_CLOCK_GPT] = { .clockevent = { .name = "gp_timer", .features = CLOCK_EVT_FEAT_ONESHOT, @@ -135,9 +166,8 @@ static struct msm_clock msm_clocks[] = { .clocksource = { .name = "gp_timer", .rating = 200, - .read = msm_gpt_read, + .read = msm_read_timer_count, .mask = CLOCKSOURCE_MASK(32), - .shift = 17, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }, .irq = { @@ -148,9 +178,12 @@ static struct msm_clock msm_clocks[] = { .irq = INT_GP_TIMER_EXP }, .regbase = MSM_GPT_BASE, - .freq = GPT_HZ + .freq = GPT_HZ, + .local_counter = MSM_GPT_BASE + TIMER_COUNT_VAL, + .global_counter = MSM_GPT_BASE + TIMER_COUNT_VAL + + MSM_TMR_GLOBAL, }, - { + [MSM_CLOCK_DGT] = { .clockevent = { .name = "dg_timer", .features = CLOCK_EVT_FEAT_ONESHOT, @@ -162,9 +195,8 @@ static struct msm_clock msm_clocks[] = { .clocksource = { .name = "dg_timer", .rating = 300, - .read = msm_dgt_read, + .read = msm_read_timer_count, .mask = CLOCKSOURCE_MASK((32 - MSM_DGT_SHIFT)), - .shift = 24 - MSM_DGT_SHIFT, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }, .irq = { @@ -176,7 +208,10 @@ static struct msm_clock msm_clocks[] = { }, .regbase = MSM_DGT_BASE, .freq = DGT_HZ >> MSM_DGT_SHIFT, - .shift = MSM_DGT_SHIFT + .shift = MSM_DGT_SHIFT, + .local_counter = MSM_DGT_BASE + TIMER_COUNT_VAL, + .global_counter = MSM_DGT_BASE + TIMER_COUNT_VAL + + MSM_TMR_GLOBAL, } }; @@ -185,7 +220,7 @@ static void __init msm_timer_init(void) int i; int res; -#ifdef CONFIG_ARCH_MSM8X60 +#ifdef CONFIG_ARCH_MSM_SCORPIONMP writel(DGT_CLK_CTL_DIV_4, MSM_TMR_BASE + DGT_CLK_CTL); #endif @@ -205,8 +240,7 @@ static void __init msm_timer_init(void) ce->min_delta_ns = clockevent_delta2ns(4, ce); ce->cpumask = cpumask_of(0); - cs->mult = clocksource_hz2mult(clock->freq, cs->shift); - res = clocksource_register(cs); + res = clocksource_register_hz(cs, clock->freq); if (res) printk(KERN_ERR "msm_timer_init: clocksource_register " "failed for %s\n", cs->name); @@ -220,6 +254,48 @@ static void __init msm_timer_init(void) } } +#ifdef CONFIG_SMP +void __cpuinit local_timer_setup(struct clock_event_device *evt) +{ + struct msm_clock *clock = &msm_clocks[MSM_GLOBAL_TIMER]; + + /* Use existing clock_event for cpu 0 */ + if (!smp_processor_id()) + return; + + writel(DGT_CLK_CTL_DIV_4, MSM_TMR_BASE + DGT_CLK_CTL); + + if (!local_clock_event) { + writel(0, clock->regbase + TIMER_ENABLE); + writel(0, clock->regbase + TIMER_CLEAR); + writel(~0, clock->regbase + TIMER_MATCH_VAL); + } + evt->irq = clock->irq.irq; + evt->name = "local_timer"; + evt->features = CLOCK_EVT_FEAT_ONESHOT; + evt->rating = clock->clockevent.rating; + evt->set_mode = msm_timer_set_mode; + evt->set_next_event = msm_timer_set_next_event; + evt->shift = clock->clockevent.shift; + evt->mult = div_sc(clock->freq, NSEC_PER_SEC, evt->shift); + evt->max_delta_ns = + clockevent_delta2ns(0xf0000000 >> clock->shift, evt); + evt->min_delta_ns = clockevent_delta2ns(4, evt); + + local_clock_event = evt; + + gic_enable_ppi(clock->irq.irq); + + clockevents_register_device(evt); +} + +inline int local_timer_ack(void) +{ + return 1; +} + +#endif + struct sys_timer msm_timer = { .init = msm_timer_init }; |
