diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clk/spear/spear1310_clock.c | 64 | ||||
| -rw-r--r-- | drivers/clk/spear/spear1340_clock.c | 63 | ||||
| -rw-r--r-- | drivers/clk/spear/spear3xx_clock.c | 60 | ||||
| -rw-r--r-- | drivers/clk/spear/spear6xx_clock.c | 31 | ||||
| -rw-r--r-- | drivers/clocksource/Makefile | 2 | ||||
| -rw-r--r-- | drivers/clocksource/bcm2835_timer.c | 12 | ||||
| -rw-r--r-- | drivers/clocksource/clksrc-of.c | 5 | ||||
| -rw-r--r-- | drivers/clocksource/tegra20_timer.c | 73 | ||||
| -rw-r--r-- | drivers/clocksource/timer-marco.c | 299 | ||||
| -rw-r--r-- | drivers/clocksource/timer-prima2.c | 215 | ||||
| -rw-r--r-- | drivers/clocksource/vt8500_timer.c | 16 | ||||
| -rw-r--r-- | drivers/irqchip/Makefile | 1 | ||||
| -rw-r--r-- | drivers/irqchip/irq-sirfsoc.c | 126 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-cns3xxx.c | 1 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-sirf.c | 12 |
15 files changed, 792 insertions, 188 deletions
diff --git a/drivers/clk/spear/spear1310_clock.c b/drivers/clk/spear/spear1310_clock.c index ed9af42..aedbbe1 100644 --- a/drivers/clk/spear/spear1310_clock.c +++ b/drivers/clk/spear/spear1310_clock.c @@ -17,12 +17,10 @@ #include <linux/io.h> #include <linux/of_platform.h> #include <linux/spinlock_types.h> -#include <mach/spear.h> #include "clk.h" -#define VA_SPEAR1310_RAS_BASE IOMEM(UL(0xFA400000)) /* PLL related registers and bit values */ -#define SPEAR1310_PLL_CFG (VA_MISC_BASE + 0x210) +#define SPEAR1310_PLL_CFG (misc_base + 0x210) /* PLL_CFG bit values */ #define SPEAR1310_CLCD_SYNT_CLK_MASK 1 #define SPEAR1310_CLCD_SYNT_CLK_SHIFT 31 @@ -35,15 +33,15 @@ #define SPEAR1310_PLL2_CLK_SHIFT 22 #define SPEAR1310_PLL1_CLK_SHIFT 20 -#define SPEAR1310_PLL1_CTR (VA_MISC_BASE + 0x214) -#define SPEAR1310_PLL1_FRQ (VA_MISC_BASE + 0x218) -#define SPEAR1310_PLL2_CTR (VA_MISC_BASE + 0x220) -#define SPEAR1310_PLL2_FRQ (VA_MISC_BASE + 0x224) -#define SPEAR1310_PLL3_CTR (VA_MISC_BASE + 0x22C) -#define SPEAR1310_PLL3_FRQ (VA_MISC_BASE + 0x230) -#define SPEAR1310_PLL4_CTR (VA_MISC_BASE + 0x238) -#define SPEAR1310_PLL4_FRQ (VA_MISC_BASE + 0x23C) -#define SPEAR1310_PERIP_CLK_CFG (VA_MISC_BASE + 0x244) +#define SPEAR1310_PLL1_CTR (misc_base + 0x214) +#define SPEAR1310_PLL1_FRQ (misc_base + 0x218) +#define SPEAR1310_PLL2_CTR (misc_base + 0x220) +#define SPEAR1310_PLL2_FRQ (misc_base + 0x224) +#define SPEAR1310_PLL3_CTR (misc_base + 0x22C) +#define SPEAR1310_PLL3_FRQ (misc_base + 0x230) +#define SPEAR1310_PLL4_CTR (misc_base + 0x238) +#define SPEAR1310_PLL4_FRQ (misc_base + 0x23C) +#define SPEAR1310_PERIP_CLK_CFG (misc_base + 0x244) /* PERIP_CLK_CFG bit values */ #define SPEAR1310_GPT_OSC24_VAL 0 #define SPEAR1310_GPT_APB_VAL 1 @@ -65,7 +63,7 @@ #define SPEAR1310_C3_CLK_MASK 1 #define SPEAR1310_C3_CLK_SHIFT 1 -#define SPEAR1310_GMAC_CLK_CFG (VA_MISC_BASE + 0x248) +#define SPEAR1310_GMAC_CLK_CFG (misc_base + 0x248) #define SPEAR1310_GMAC_PHY_IF_SEL_MASK 3 #define SPEAR1310_GMAC_PHY_IF_SEL_SHIFT 4 #define SPEAR1310_GMAC_PHY_CLK_MASK 1 @@ -73,7 +71,7 @@ #define SPEAR1310_GMAC_PHY_INPUT_CLK_MASK 2 #define SPEAR1310_GMAC_PHY_INPUT_CLK_SHIFT 1 -#define SPEAR1310_I2S_CLK_CFG (VA_MISC_BASE + 0x24C) +#define SPEAR1310_I2S_CLK_CFG (misc_base + 0x24C) /* I2S_CLK_CFG register mask */ #define SPEAR1310_I2S_SCLK_X_MASK 0x1F #define SPEAR1310_I2S_SCLK_X_SHIFT 27 @@ -91,21 +89,21 @@ #define SPEAR1310_I2S_SRC_CLK_MASK 2 #define SPEAR1310_I2S_SRC_CLK_SHIFT 0 -#define SPEAR1310_C3_CLK_SYNT (VA_MISC_BASE + 0x250) -#define SPEAR1310_UART_CLK_SYNT (VA_MISC_BASE + 0x254) -#define SPEAR1310_GMAC_CLK_SYNT (VA_MISC_BASE + 0x258) -#define SPEAR1310_SDHCI_CLK_SYNT (VA_MISC_BASE + 0x25C) -#define SPEAR1310_CFXD_CLK_SYNT (VA_MISC_BASE + 0x260) -#define SPEAR1310_ADC_CLK_SYNT (VA_MISC_BASE + 0x264) -#define SPEAR1310_AMBA_CLK_SYNT (VA_MISC_BASE + 0x268) -#define SPEAR1310_CLCD_CLK_SYNT (VA_MISC_BASE + 0x270) -#define SPEAR1310_RAS_CLK_SYNT0 (VA_MISC_BASE + 0x280) -#define SPEAR1310_RAS_CLK_SYNT1 (VA_MISC_BASE + 0x288) -#define SPEAR1310_RAS_CLK_SYNT2 (VA_MISC_BASE + 0x290) -#define SPEAR1310_RAS_CLK_SYNT3 (VA_MISC_BASE + 0x298) +#define SPEAR1310_C3_CLK_SYNT (misc_base + 0x250) +#define SPEAR1310_UART_CLK_SYNT (misc_base + 0x254) +#define SPEAR1310_GMAC_CLK_SYNT (misc_base + 0x258) +#define SPEAR1310_SDHCI_CLK_SYNT (misc_base + 0x25C) +#define SPEAR1310_CFXD_CLK_SYNT (misc_base + 0x260) +#define SPEAR1310_ADC_CLK_SYNT (misc_base + 0x264) +#define SPEAR1310_AMBA_CLK_SYNT (misc_base + 0x268) +#define SPEAR1310_CLCD_CLK_SYNT (misc_base + 0x270) +#define SPEAR1310_RAS_CLK_SYNT0 (misc_base + 0x280) +#define SPEAR1310_RAS_CLK_SYNT1 (misc_base + 0x288) +#define SPEAR1310_RAS_CLK_SYNT2 (misc_base + 0x290) +#define SPEAR1310_RAS_CLK_SYNT3 (misc_base + 0x298) /* Check Fractional synthesizer reg masks */ -#define SPEAR1310_PERIP1_CLK_ENB (VA_MISC_BASE + 0x300) +#define SPEAR1310_PERIP1_CLK_ENB (misc_base + 0x300) /* PERIP1_CLK_ENB register masks */ #define SPEAR1310_RTC_CLK_ENB 31 #define SPEAR1310_ADC_CLK_ENB 30 @@ -138,7 +136,7 @@ #define SPEAR1310_SYSROM_CLK_ENB 1 #define SPEAR1310_BUS_CLK_ENB 0 -#define SPEAR1310_PERIP2_CLK_ENB (VA_MISC_BASE + 0x304) +#define SPEAR1310_PERIP2_CLK_ENB (misc_base + 0x304) /* PERIP2_CLK_ENB register masks */ #define SPEAR1310_THSENS_CLK_ENB 8 #define SPEAR1310_I2S_REF_PAD_CLK_ENB 7 @@ -150,7 +148,7 @@ #define SPEAR1310_DDR_CORE_CLK_ENB 1 #define SPEAR1310_DDR_CTRL_CLK_ENB 0 -#define SPEAR1310_RAS_CLK_ENB (VA_MISC_BASE + 0x310) +#define SPEAR1310_RAS_CLK_ENB (misc_base + 0x310) /* RAS_CLK_ENB register masks */ #define SPEAR1310_SYNT3_CLK_ENB 17 #define SPEAR1310_SYNT2_CLK_ENB 16 @@ -172,7 +170,7 @@ #define SPEAR1310_ACLK_CLK_ENB 0 /* RAS Area Control Register */ -#define SPEAR1310_RAS_CTRL_REG0 (VA_SPEAR1310_RAS_BASE + 0x000) +#define SPEAR1310_RAS_CTRL_REG0 (ras_base + 0x000) #define SPEAR1310_SSP1_CLK_MASK 3 #define SPEAR1310_SSP1_CLK_SHIFT 26 #define SPEAR1310_TDM_CLK_MASK 1 @@ -197,12 +195,12 @@ #define SPEAR1310_PCI_CLK_MASK 1 #define SPEAR1310_PCI_CLK_SHIFT 0 -#define SPEAR1310_RAS_CTRL_REG1 (VA_SPEAR1310_RAS_BASE + 0x004) +#define SPEAR1310_RAS_CTRL_REG1 (ras_base + 0x004) #define SPEAR1310_PHY_CLK_MASK 0x3 #define SPEAR1310_RMII_PHY_CLK_SHIFT 0 #define SPEAR1310_SMII_RGMII_PHY_CLK_SHIFT 2 -#define SPEAR1310_RAS_SW_CLK_CTRL (VA_SPEAR1310_RAS_BASE + 0x0148) +#define SPEAR1310_RAS_SW_CLK_CTRL (ras_base + 0x0148) #define SPEAR1310_CAN1_CLK_ENB 25 #define SPEAR1310_CAN0_CLK_ENB 24 #define SPEAR1310_GPT64_CLK_ENB 23 @@ -385,7 +383,7 @@ static const char *ssp1_parents[] = { "ras_apb_clk", "gen_syn1_clk", static const char *pci_parents[] = { "ras_pll3_clk", "gen_syn2_clk", }; static const char *tdm_parents[] = { "ras_pll3_clk", "gen_syn1_clk", }; -void __init spear1310_clk_init(void) +void __init spear1310_clk_init(void __iomem *misc_base, void __iomem *ras_base) { struct clk *clk, *clk1; diff --git a/drivers/clk/spear/spear1340_clock.c b/drivers/clk/spear/spear1340_clock.c index 82abea3..3ceb450 100644 --- a/drivers/clk/spear/spear1340_clock.c +++ b/drivers/clk/spear/spear1340_clock.c @@ -17,18 +17,17 @@ #include <linux/io.h> #include <linux/of_platform.h> #include <linux/spinlock_types.h> -#include <mach/spear.h> #include "clk.h" /* Clock Configuration Registers */ -#define SPEAR1340_SYS_CLK_CTRL (VA_MISC_BASE + 0x200) +#define SPEAR1340_SYS_CLK_CTRL (misc_base + 0x200) #define SPEAR1340_HCLK_SRC_SEL_SHIFT 27 #define SPEAR1340_HCLK_SRC_SEL_MASK 1 #define SPEAR1340_SCLK_SRC_SEL_SHIFT 23 #define SPEAR1340_SCLK_SRC_SEL_MASK 3 /* PLL related registers and bit values */ -#define SPEAR1340_PLL_CFG (VA_MISC_BASE + 0x210) +#define SPEAR1340_PLL_CFG (misc_base + 0x210) /* PLL_CFG bit values */ #define SPEAR1340_CLCD_SYNT_CLK_MASK 1 #define SPEAR1340_CLCD_SYNT_CLK_SHIFT 31 @@ -40,15 +39,15 @@ #define SPEAR1340_PLL2_CLK_SHIFT 22 #define SPEAR1340_PLL1_CLK_SHIFT 20 -#define SPEAR1340_PLL1_CTR (VA_MISC_BASE + 0x214) -#define SPEAR1340_PLL1_FRQ (VA_MISC_BASE + 0x218) -#define SPEAR1340_PLL2_CTR (VA_MISC_BASE + 0x220) -#define SPEAR1340_PLL2_FRQ (VA_MISC_BASE + 0x224) -#define SPEAR1340_PLL3_CTR (VA_MISC_BASE + 0x22C) -#define SPEAR1340_PLL3_FRQ (VA_MISC_BASE + 0x230) -#define SPEAR1340_PLL4_CTR (VA_MISC_BASE + 0x238) -#define SPEAR1340_PLL4_FRQ (VA_MISC_BASE + 0x23C) -#define SPEAR1340_PERIP_CLK_CFG (VA_MISC_BASE + 0x244) +#define SPEAR1340_PLL1_CTR (misc_base + 0x214) +#define SPEAR1340_PLL1_FRQ (misc_base + 0x218) +#define SPEAR1340_PLL2_CTR (misc_base + 0x220) +#define SPEAR1340_PLL2_FRQ (misc_base + 0x224) +#define SPEAR1340_PLL3_CTR (misc_base + 0x22C) +#define SPEAR1340_PLL3_FRQ (misc_base + 0x230) +#define SPEAR1340_PLL4_CTR (misc_base + 0x238) +#define SPEAR1340_PLL4_FRQ (misc_base + 0x23C) +#define SPEAR1340_PERIP_CLK_CFG (misc_base + 0x244) /* PERIP_CLK_CFG bit values */ #define SPEAR1340_SPDIF_CLK_MASK 1 #define SPEAR1340_SPDIF_OUT_CLK_SHIFT 15 @@ -66,13 +65,13 @@ #define SPEAR1340_C3_CLK_MASK 1 #define SPEAR1340_C3_CLK_SHIFT 1 -#define SPEAR1340_GMAC_CLK_CFG (VA_MISC_BASE + 0x248) +#define SPEAR1340_GMAC_CLK_CFG (misc_base + 0x248) #define SPEAR1340_GMAC_PHY_CLK_MASK 1 #define SPEAR1340_GMAC_PHY_CLK_SHIFT 2 #define SPEAR1340_GMAC_PHY_INPUT_CLK_MASK 2 #define SPEAR1340_GMAC_PHY_INPUT_CLK_SHIFT 0 -#define SPEAR1340_I2S_CLK_CFG (VA_MISC_BASE + 0x24C) +#define SPEAR1340_I2S_CLK_CFG (misc_base + 0x24C) /* I2S_CLK_CFG register mask */ #define SPEAR1340_I2S_SCLK_X_MASK 0x1F #define SPEAR1340_I2S_SCLK_X_SHIFT 27 @@ -90,21 +89,21 @@ #define SPEAR1340_I2S_SRC_CLK_MASK 2 #define SPEAR1340_I2S_SRC_CLK_SHIFT 0 -#define SPEAR1340_C3_CLK_SYNT (VA_MISC_BASE + 0x250) -#define SPEAR1340_UART0_CLK_SYNT (VA_MISC_BASE + 0x254) -#define SPEAR1340_UART1_CLK_SYNT (VA_MISC_BASE + 0x258) -#define SPEAR1340_GMAC_CLK_SYNT (VA_MISC_BASE + 0x25C) -#define SPEAR1340_SDHCI_CLK_SYNT (VA_MISC_BASE + 0x260) -#define SPEAR1340_CFXD_CLK_SYNT (VA_MISC_BASE + 0x264) -#define SPEAR1340_ADC_CLK_SYNT (VA_MISC_BASE + 0x270) -#define SPEAR1340_AMBA_CLK_SYNT (VA_MISC_BASE + 0x274) -#define SPEAR1340_CLCD_CLK_SYNT (VA_MISC_BASE + 0x27C) -#define SPEAR1340_SYS_CLK_SYNT (VA_MISC_BASE + 0x284) -#define SPEAR1340_GEN_CLK_SYNT0 (VA_MISC_BASE + 0x28C) -#define SPEAR1340_GEN_CLK_SYNT1 (VA_MISC_BASE + 0x294) -#define SPEAR1340_GEN_CLK_SYNT2 (VA_MISC_BASE + 0x29C) -#define SPEAR1340_GEN_CLK_SYNT3 (VA_MISC_BASE + 0x304) -#define SPEAR1340_PERIP1_CLK_ENB (VA_MISC_BASE + 0x30C) +#define SPEAR1340_C3_CLK_SYNT (misc_base + 0x250) +#define SPEAR1340_UART0_CLK_SYNT (misc_base + 0x254) +#define SPEAR1340_UART1_CLK_SYNT (misc_base + 0x258) +#define SPEAR1340_GMAC_CLK_SYNT (misc_base + 0x25C) +#define SPEAR1340_SDHCI_CLK_SYNT (misc_base + 0x260) +#define SPEAR1340_CFXD_CLK_SYNT (misc_base + 0x264) +#define SPEAR1340_ADC_CLK_SYNT (misc_base + 0x270) +#define SPEAR1340_AMBA_CLK_SYNT (misc_base + 0x274) +#define SPEAR1340_CLCD_CLK_SYNT (misc_base + 0x27C) +#define SPEAR1340_SYS_CLK_SYNT (misc_base + 0x284) +#define SPEAR1340_GEN_CLK_SYNT0 (misc_base + 0x28C) +#define SPEAR1340_GEN_CLK_SYNT1 (misc_base + 0x294) +#define SPEAR1340_GEN_CLK_SYNT2 (misc_base + 0x29C) +#define SPEAR1340_GEN_CLK_SYNT3 (misc_base + 0x304) +#define SPEAR1340_PERIP1_CLK_ENB (misc_base + 0x30C) #define SPEAR1340_RTC_CLK_ENB 31 #define SPEAR1340_ADC_CLK_ENB 30 #define SPEAR1340_C3_CLK_ENB 29 @@ -133,7 +132,7 @@ #define SPEAR1340_SYSROM_CLK_ENB 1 #define SPEAR1340_BUS_CLK_ENB 0 -#define SPEAR1340_PERIP2_CLK_ENB (VA_MISC_BASE + 0x310) +#define SPEAR1340_PERIP2_CLK_ENB (misc_base + 0x310) #define SPEAR1340_THSENS_CLK_ENB 8 #define SPEAR1340_I2S_REF_PAD_CLK_ENB 7 #define SPEAR1340_ACP_CLK_ENB 6 @@ -144,7 +143,7 @@ #define SPEAR1340_DDR_CORE_CLK_ENB 1 #define SPEAR1340_DDR_CTRL_CLK_ENB 0 -#define SPEAR1340_PERIP3_CLK_ENB (VA_MISC_BASE + 0x314) +#define SPEAR1340_PERIP3_CLK_ENB (misc_base + 0x314) #define SPEAR1340_PLGPIO_CLK_ENB 18 #define SPEAR1340_VIDEO_DEC_CLK_ENB 16 #define SPEAR1340_VIDEO_ENC_CLK_ENB 15 @@ -441,7 +440,7 @@ static const char *gen_synth0_1_parents[] = { "vco1div4_clk", "vco3div2_clk", static const char *gen_synth2_3_parents[] = { "vco1div4_clk", "vco2div2_clk", "pll2_clk", }; -void __init spear1340_clk_init(void) +void __init spear1340_clk_init(void __iomem *misc_base) { struct clk *clk, *clk1; diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c index 33d3ac5..f9ec43f 100644 --- a/drivers/clk/spear/spear3xx_clock.c +++ b/drivers/clk/spear/spear3xx_clock.c @@ -15,21 +15,20 @@ #include <linux/io.h> #include <linux/of_platform.h> #include <linux/spinlock_types.h> -#include <mach/misc_regs.h> #include "clk.h" static DEFINE_SPINLOCK(_lock); -#define PLL1_CTR (MISC_BASE + 0x008) -#define PLL1_FRQ (MISC_BASE + 0x00C) -#define PLL2_CTR (MISC_BASE + 0x014) -#define PLL2_FRQ (MISC_BASE + 0x018) -#define PLL_CLK_CFG (MISC_BASE + 0x020) +#define PLL1_CTR (misc_base + 0x008) +#define PLL1_FRQ (misc_base + 0x00C) +#define PLL2_CTR (misc_base + 0x014) +#define PLL2_FRQ (misc_base + 0x018) +#define PLL_CLK_CFG (misc_base + 0x020) /* PLL_CLK_CFG register masks */ #define MCTR_CLK_SHIFT 28 #define MCTR_CLK_MASK 3 -#define CORE_CLK_CFG (MISC_BASE + 0x024) +#define CORE_CLK_CFG (misc_base + 0x024) /* CORE CLK CFG register masks */ #define GEN_SYNTH2_3_CLK_SHIFT 18 #define GEN_SYNTH2_3_CLK_MASK 1 @@ -39,7 +38,7 @@ static DEFINE_SPINLOCK(_lock); #define PCLK_RATIO_SHIFT 8 #define PCLK_RATIO_MASK 2 -#define PERIP_CLK_CFG (MISC_BASE + 0x028) +#define PERIP_CLK_CFG (misc_base + 0x028) /* PERIP_CLK_CFG register masks */ #define UART_CLK_SHIFT 4 #define UART_CLK_MASK 1 @@ -50,7 +49,7 @@ static DEFINE_SPINLOCK(_lock); #define GPT2_CLK_SHIFT 12 #define GPT_CLK_MASK 1 -#define PERIP1_CLK_ENB (MISC_BASE + 0x02C) +#define PERIP1_CLK_ENB (misc_base + 0x02C) /* PERIP1_CLK_ENB register masks */ #define UART_CLK_ENB 3 #define SSP_CLK_ENB 5 @@ -69,7 +68,7 @@ static DEFINE_SPINLOCK(_lock); #define USBH_CLK_ENB 25 #define C3_CLK_ENB 31 -#define RAS_CLK_ENB (MISC_BASE + 0x034) +#define RAS_CLK_ENB (misc_base + 0x034) #define RAS_AHB_CLK_ENB 0 #define RAS_PLL1_CLK_ENB 1 #define RAS_APB_CLK_ENB 2 @@ -82,20 +81,20 @@ static DEFINE_SPINLOCK(_lock); #define RAS_SYNT2_CLK_ENB 10 #define RAS_SYNT3_CLK_ENB 11 -#define PRSC0_CLK_CFG (MISC_BASE + 0x044) -#define PRSC1_CLK_CFG (MISC_BASE + 0x048) -#define PRSC2_CLK_CFG (MISC_BASE + 0x04C) -#define AMEM_CLK_CFG (MISC_BASE + 0x050) +#define PRSC0_CLK_CFG (misc_base + 0x044) +#define PRSC1_CLK_CFG (misc_base + 0x048) +#define PRSC2_CLK_CFG (misc_base + 0x04C) +#define AMEM_CLK_CFG (misc_base + 0x050) #define AMEM_CLK_ENB 0 -#define CLCD_CLK_SYNT (MISC_BASE + 0x05C) -#define FIRDA_CLK_SYNT (MISC_BASE + 0x060) -#define UART_CLK_SYNT (MISC_BASE + 0x064) -#define GMAC_CLK_SYNT (MISC_BASE + 0x068) -#define GEN0_CLK_SYNT (MISC_BASE + 0x06C) -#define GEN1_CLK_SYNT (MISC_BASE + 0x070) -#define GEN2_CLK_SYNT (MISC_BASE + 0x074) -#define GEN3_CLK_SYNT (MISC_BASE + 0x078) +#define CLCD_CLK_SYNT (misc_base + 0x05C) +#define FIRDA_CLK_SYNT (misc_base + 0x060) +#define UART_CLK_SYNT (misc_base + 0x064) +#define GMAC_CLK_SYNT (misc_base + 0x068) +#define GEN0_CLK_SYNT (misc_base + 0x06C) +#define GEN1_CLK_SYNT (misc_base + 0x070) +#define GEN2_CLK_SYNT (misc_base + 0x074) +#define GEN3_CLK_SYNT (misc_base + 0x078) /* pll rate configuration table, in ascending order of rates */ static struct pll_rate_tbl pll_rtbl[] = { @@ -211,6 +210,17 @@ static inline void spear310_clk_init(void) { } /* array of all spear 320 clock lookups */ #ifdef CONFIG_MACH_SPEAR320 + +#define SPEAR320_CONTROL_REG (soc_config_base + 0x0000) +#define SPEAR320_EXT_CTRL_REG (soc_config_base + 0x0018) + + #define SPEAR320_UARTX_PCLK_MASK 0x1 + #define SPEAR320_UART2_PCLK_SHIFT 8 + #define SPEAR320_UART3_PCLK_SHIFT 9 + #define SPEAR320_UART4_PCLK_SHIFT 10 + #define SPEAR320_UART5_PCLK_SHIFT 11 + #define SPEAR320_UART6_PCLK_SHIFT 12 + #define SPEAR320_RS485_PCLK_SHIFT 13 #define SMII_PCLK_SHIFT 18 #define SMII_PCLK_MASK 2 #define SMII_PCLK_VAL_PAD 0x0 @@ -235,7 +245,7 @@ static const char *smii0_parents[] = { "smii_125m_pad", "ras_pll2_clk", "ras_syn0_gclk", }; static const char *uartx_parents[] = { "ras_syn1_gclk", "ras_apb_clk", }; -static void __init spear320_clk_init(void) +static void __init spear320_clk_init(void __iomem *soc_config_base) { struct clk *clk; @@ -362,7 +372,7 @@ static void __init spear320_clk_init(void) static inline void spear320_clk_init(void) { } #endif -void __init spear3xx_clk_init(void) +void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_base) { struct clk *clk, *clk1; @@ -634,5 +644,5 @@ void __init spear3xx_clk_init(void) else if (of_machine_is_compatible("st,spear310")) spear310_clk_init(); else if (of_machine_is_compatible("st,spear320")) - spear320_clk_init(); + spear320_clk_init(soc_config_base); } diff --git a/drivers/clk/spear/spear6xx_clock.c b/drivers/clk/spear/spear6xx_clock.c index e862a33..9406f24 100644 --- a/drivers/clk/spear/spear6xx_clock.c +++ b/drivers/clk/spear/spear6xx_clock.c @@ -13,28 +13,27 @@ #include <linux/clkdev.h> #include <linux/io.h> #include <linux/spinlock_types.h> -#include <mach/misc_regs.h> #include "clk.h" static DEFINE_SPINLOCK(_lock); -#define PLL1_CTR (MISC_BASE + 0x008) -#define PLL1_FRQ (MISC_BASE + 0x00C) -#define PLL2_CTR (MISC_BASE + 0x014) -#define PLL2_FRQ (MISC_BASE + 0x018) -#define PLL_CLK_CFG (MISC_BASE + 0x020) +#define PLL1_CTR (misc_base + 0x008) +#define PLL1_FRQ (misc_base + 0x00C) +#define PLL2_CTR (misc_base + 0x014) +#define PLL2_FRQ (misc_base + 0x018) +#define PLL_CLK_CFG (misc_base + 0x020) /* PLL_CLK_CFG register masks */ #define MCTR_CLK_SHIFT 28 #define MCTR_CLK_MASK 3 -#define CORE_CLK_CFG (MISC_BASE + 0x024) +#define CORE_CLK_CFG (misc_base + 0x024) /* CORE CLK CFG register masks */ #define HCLK_RATIO_SHIFT 10 #define HCLK_RATIO_MASK 2 #define PCLK_RATIO_SHIFT 8 #define PCLK_RATIO_MASK 2 -#define PERIP_CLK_CFG (MISC_BASE + 0x028) +#define PERIP_CLK_CFG (misc_base + 0x028) /* PERIP_CLK_CFG register masks */ #define CLCD_CLK_SHIFT 2 #define CLCD_CLK_MASK 2 @@ -48,7 +47,7 @@ static DEFINE_SPINLOCK(_lock); #define GPT3_CLK_SHIFT 12 #define GPT_CLK_MASK 1 -#define PERIP1_CLK_ENB (MISC_BASE + 0x02C) +#define PERIP1_CLK_ENB (misc_base + 0x02C) /* PERIP1_CLK_ENB register masks */ #define UART0_CLK_ENB 3 #define UART1_CLK_ENB 4 @@ -74,13 +73,13 @@ static DEFINE_SPINLOCK(_lock); #define USBH0_CLK_ENB 25 #define USBH1_CLK_ENB 26 -#define PRSC0_CLK_CFG (MISC_BASE + 0x044) -#define PRSC1_CLK_CFG (MISC_BASE + 0x048) -#define PRSC2_CLK_CFG (MISC_BASE + 0x04C) +#define PRSC0_CLK_CFG (misc_base + 0x044) +#define PRSC1_CLK_CFG (misc_base + 0x048) +#define PRSC2_CLK_CFG (misc_base + 0x04C) -#define CLCD_CLK_SYNT (MISC_BASE + 0x05C) -#define FIRDA_CLK_SYNT (MISC_BASE + 0x060) -#define UART_CLK_SYNT (MISC_BASE + 0x064) +#define CLCD_CLK_SYNT (misc_base + 0x05C) +#define FIRDA_CLK_SYNT (misc_base + 0x060) +#define UART_CLK_SYNT (misc_base + 0x064) /* vco rate configuration table, in ascending order of rates */ static struct pll_rate_tbl pll_rtbl[] = { @@ -115,7 +114,7 @@ static struct gpt_rate_tbl gpt_rtbl[] = { {.mscale = 1, .nscale = 0}, /* 83 MHz */ }; -void __init spear6xx_clk_init(void) +void __init spear6xx_clk_init(void __iomem *misc_base) { struct clk *clk, *clk1; diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile index 4d8283a..5e2176f 100644 --- a/drivers/clocksource/Makefile +++ b/drivers/clocksource/Makefile @@ -16,6 +16,8 @@ obj-$(CONFIG_CLKSRC_NOMADIK_MTU) += nomadik-mtu.o obj-$(CONFIG_CLKSRC_DBX500_PRCMU) += clksrc-dbx500-prcmu.o obj-$(CONFIG_ARMADA_370_XP_TIMER) += time-armada-370-xp.o obj-$(CONFIG_ARCH_BCM2835) += bcm2835_timer.o +obj-$(CONFIG_ARCH_MARCO) += timer-marco.o +obj-$(CONFIG_ARCH_PRIMA2) += timer-prima2.o obj-$(CONFIG_SUNXI_TIMER) += sunxi_timer.o obj-$(CONFIG_ARCH_TEGRA) += tegra20_timer.o obj-$(CONFIG_VT8500_TIMER) += vt8500_timer.o diff --git a/drivers/clocksource/bcm2835_timer.c b/drivers/clocksource/bcm2835_timer.c index 50c68fe..766611d 100644 --- a/drivers/clocksource/bcm2835_timer.c +++ b/drivers/clocksource/bcm2835_timer.c @@ -95,23 +95,13 @@ static irqreturn_t bcm2835_time_interrupt(int irq, void *dev_id) } } -static struct of_device_id bcm2835_time_match[] __initconst = { - { .compatible = "brcm,bcm2835-system-timer" }, - {} -}; - -static void __init bcm2835_timer_init(void) +static void __init bcm2835_timer_init(struct device_node *node) { - struct device_node *node; void __iomem *base; u32 freq; int irq; struct bcm2835_timer *timer; - node = of_find_matching_node(NULL, bcm2835_time_match); - if (!node) - panic("No bcm2835 timer node"); - base = of_iomap(node, 0); if (!base) panic("Can't remap registers"); diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c index bdabdaa..37f5325 100644 --- a/drivers/clocksource/clksrc-of.c +++ b/drivers/clocksource/clksrc-of.c @@ -16,6 +16,7 @@ #include <linux/init.h> #include <linux/of.h> +#include <linux/clocksource.h> extern struct of_device_id __clksrc_of_table[]; @@ -26,10 +27,10 @@ void __init clocksource_of_init(void) { struct device_node *np; const struct of_device_id *match; - void (*init_func)(void); + clocksource_of_init_fn init_func; for_each_matching_node_and_match(np, __clksrc_of_table, &match) { init_func = match->data; - init_func(); + init_func(np); } } diff --git a/drivers/clocksource/tegra20_timer.c b/drivers/clocksource/tegra20_timer.c index 0bde03f..2e4d8a6 100644 --- a/drivers/clocksource/tegra20_timer.c +++ b/drivers/clocksource/tegra20_timer.c @@ -154,29 +154,12 @@ static struct irqaction tegra_timer_irq = { .dev_id = &tegra_clockevent, }; -static const struct of_device_id timer_match[] __initconst = { - { .compatible = "nvidia,tegra20-timer" }, - {} -}; - -static const struct of_device_id rtc_match[] __initconst = { - { .compatible = "nvidia,tegra20-rtc" }, - {} -}; - -static void __init tegra20_init_timer(void) +static void __init tegra20_init_timer(struct device_node *np) { - struct device_node *np; struct clk *clk; unsigned long rate; int ret; - np = of_find_matching_node(NULL, timer_match); - if (!np) { - pr_err("Failed to find timer DT node\n"); - BUG(); - } - timer_reg_base = of_iomap(np, 0); if (!timer_reg_base) { pr_err("Can't map timer registers\n"); @@ -200,30 +183,6 @@ static void __init tegra20_init_timer(void) of_node_put(np); - np = of_find_matching_node(NULL, rtc_match); - if (!np) { - pr_err("Failed to find RTC DT node\n"); - BUG(); - } - - rtc_base = of_iomap(np, 0); - if (!rtc_base) { - pr_err("Can't map RTC registers"); - BUG(); - } - - /* - * rtc registers are used by read_persistent_clock, keep the rtc clock - * enabled - */ - clk = clk_get_sys("rtc-tegra", NULL); - if (IS_ERR(clk)) - pr_warn("Unable to get rtc-tegra clock\n"); - else - clk_prepare_enable(clk); - - of_node_put(np); - switch (rate) { case 12000000: timer_writel(0x000b, TIMERUS_USEC_CFG); @@ -259,12 +218,34 @@ static void __init tegra20_init_timer(void) tegra_clockevent.irq = tegra_timer_irq.irq; clockevents_config_and_register(&tegra_clockevent, 1000000, 0x1, 0x1fffffff); -#ifdef CONFIG_HAVE_ARM_TWD - twd_local_timer_of_register(); -#endif +} +CLOCKSOURCE_OF_DECLARE(tegra20_timer, "nvidia,tegra20-timer", tegra20_init_timer); + +static void __init tegra20_init_rtc(struct device_node *np) +{ + struct clk *clk; + + rtc_base = of_iomap(np, 0); + if (!rtc_base) { + pr_err("Can't map RTC registers"); + BUG(); + } + + /* + * rtc registers are used by read_persistent_clock, keep the rtc clock + * enabled + */ + clk = clk_get_sys("rtc-tegra", NULL); + if (IS_ERR(clk)) + pr_warn("Unable to get rtc-tegra clock\n"); + else + clk_prepare_enable(clk); + + of_node_put(np); + register_persistent_clock(NULL, tegra_read_persistent_clock); } -CLOCKSOURCE_OF_DECLARE(tegra20, "nvidia,tegra20-timer", tegra20_init_timer); +CLOCKSOURCE_OF_DECLARE(tegra20_rtc, "nvidia,tegra20-rtc", tegra20_init_rtc); #ifdef CONFIG_PM static u32 usec_config; diff --git a/drivers/clocksource/timer-marco.c b/drivers/clocksource/timer-marco.c new file mode 100644 index 0000000..97738db --- /dev/null +++ b/drivers/clocksource/timer-marco.c @@ -0,0 +1,299 @@ +/* + * System timer for CSR SiRFprimaII + * + * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. + * + * Licensed under GPLv2 or later. + */ + +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/clockchips.h> +#include <linux/clocksource.h> +#include <linux/bitops.h> +#include <linux/irq.h> +#include <linux/clk.h> +#include <linux/slab.h> +#include <linux/of.h> +#include <linux/of_irq.h> +#include <linux/of_address.h> +#include <asm/sched_clock.h> +#include <asm/localtimer.h> +#include <asm/mach/time.h> + +#define SIRFSOC_TIMER_32COUNTER_0_CTRL 0x0000 +#define SIRFSOC_TIMER_32COUNTER_1_CTRL 0x0004 +#define SIRFSOC_TIMER_MATCH_0 0x0018 +#define SIRFSOC_TIMER_MATCH_1 0x001c +#define SIRFSOC_TIMER_COUNTER_0 0x0048 +#define SIRFSOC_TIMER_COUNTER_1 0x004c +#define SIRFSOC_TIMER_INTR_STATUS 0x0060 +#define SIRFSOC_TIMER_WATCHDOG_EN 0x0064 +#define SIRFSOC_TIMER_64COUNTER_CTRL 0x0068 +#define SIRFSOC_TIMER_64COUNTER_LO 0x006c +#define SIRFSOC_TIMER_64COUNTER_HI 0x0070 +#define SIRFSOC_TIMER_64COUNTER_LOAD_LO 0x0074 +#define SIRFSOC_TIMER_64COUNTER_LOAD_HI 0x0078 +#define SIRFSOC_TIMER_64COUNTER_RLATCHED_LO 0x007c +#define SIRFSOC_TIMER_64COUNTER_RLATCHED_HI 0x0080 + +#define SIRFSOC_TIMER_REG_CNT 6 + +static const u32 sirfsoc_timer_reg_list[SIRFSOC_TIMER_REG_CNT] = { + SIRFSOC_TIMER_WATCHDOG_EN, + SIRFSOC_TIMER_32COUNTER_0_CTRL, + SIRFSOC_TIMER_32COUNTER_1_CTRL, + SIRFSOC_TIMER_64COUNTER_CTRL, + SIRFSOC_TIMER_64COUNTER_RLATCHED_LO, + SIRFSOC_TIMER_64COUNTER_RLATCHED_HI, +}; + +static u32 sirfsoc_timer_reg_val[SIRFSOC_TIMER_REG_CNT]; + +static void __iomem *sirfsoc_timer_base; + +/* disable count and interrupt */ +static inline void sirfsoc_timer_count_disable(int idx) +{ + writel_relaxed(readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_32COUNTER_0_CTRL + 4 * idx) & ~0x7, + sirfsoc_timer_base + SIRFSOC_TIMER_32COUNTER_0_CTRL + 4 * idx); +} + +/* enable count and interrupt */ +static inline void sirfsoc_timer_count_enable(int idx) +{ + writel_relaxed(readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_32COUNTER_0_CTRL + 4 * idx) | 0x7, + sirfsoc_timer_base + SIRFSOC_TIMER_32COUNTER_0_CTRL + 4 * idx); +} + +/* timer interrupt handler */ +static irqreturn_t sirfsoc_timer_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *ce = dev_id; + int cpu = smp_processor_id(); + + /* clear timer interrupt */ + writel_relaxed(BIT(cpu), sirfsoc_timer_base + SIRFSOC_TIMER_INTR_STATUS); + + if (ce->mode == CLOCK_EVT_MODE_ONESHOT) + sirfsoc_timer_count_disable(cpu); + + ce->event_handler(ce); + + return IRQ_HANDLED; +} + +/* read 64-bit timer counter */ +static cycle_t sirfsoc_timer_read(struct clocksource *cs) +{ + u64 cycles; + + writel_relaxed((readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_CTRL) | + BIT(0)) & ~BIT(1), sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_CTRL); + + cycles = readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_RLATCHED_HI); + cycles = (cycles << 32) | readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_RLATCHED_LO); + + return cycles; +} + +static int sirfsoc_timer_set_next_event(unsigned long delta, + struct clock_event_device *ce) +{ + int cpu = smp_processor_id(); + + writel_relaxed(0, sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_0 + + 4 * cpu); + writel_relaxed(delta, sirfsoc_timer_base + SIRFSOC_TIMER_MATCH_0 + + 4 * cpu); + + /* enable the tick */ + sirfsoc_timer_count_enable(cpu); + + return 0; +} + +static void sirfsoc_timer_set_mode(enum clock_event_mode mode, + struct clock_event_device *ce) +{ + switch (mode) { + case CLOCK_EVT_MODE_ONESHOT: + /* enable in set_next_event */ + break; + default: + break; + } + + sirfsoc_timer_count_disable(smp_processor_id()); +} + +static void sirfsoc_clocksource_suspend(struct clocksource *cs) +{ + int i; + + for (i = 0; i < SIRFSOC_TIMER_REG_CNT; i++) + sirfsoc_timer_reg_val[i] = readl_relaxed(sirfsoc_timer_base + sirfsoc_timer_reg_list[i]); +} + +static void sirfsoc_clocksource_resume(struct clocksource *cs) +{ + int i; + + for (i = 0; i < SIRFSOC_TIMER_REG_CNT - 2; i++) + writel_relaxed(sirfsoc_timer_reg_val[i], sirfsoc_timer_base + sirfsoc_timer_reg_list[i]); + + writel_relaxed(sirfsoc_timer_reg_val[SIRFSOC_TIMER_REG_CNT - 2], + sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_LOAD_LO); + writel_relaxed(sirfsoc_timer_reg_val[SIRFSOC_TIMER_REG_CNT - 1], + sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_LOAD_HI); + + writel_relaxed(readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_CTRL) | + BIT(1) | BIT(0), sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_CTRL); +} + +static struct clock_event_device sirfsoc_clockevent = { + .name = "sirfsoc_clockevent", + .rating = 200, + .features = CLOCK_EVT_FEAT_ONESHOT, + .set_mode = sirfsoc_timer_set_mode, + .set_next_event = sirfsoc_timer_set_next_event, +}; + +static struct clocksource sirfsoc_clocksource = { + .name = "sirfsoc_clocksource", + .rating = 200, + .mask = CLOCKSOURCE_MASK(64), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, + .read = sirfsoc_timer_read, + .suspend = sirfsoc_clocksource_suspend, + .resume = sirfsoc_clocksource_resume, +}; + +static struct irqaction sirfsoc_timer_irq = { + .name = "sirfsoc_timer0", + .flags = IRQF_TIMER | IRQF_NOBALANCING, + .handler = sirfsoc_timer_interrupt, + .dev_id = &sirfsoc_clockevent, +}; + +#ifdef CONFIG_LOCAL_TIMERS + +static struct irqaction sirfsoc_timer1_irq = { + .name = "sirfsoc_timer1", + .flags = IRQF_TIMER | IRQF_NOBALANCING, + .handler = sirfsoc_timer_interrupt, +}; + +static int __cpuinit sirfsoc_local_timer_setup(struct clock_event_device *ce) +{ + /* Use existing clock_event for cpu 0 */ + if (!smp_processor_id()) + return 0; + + ce->irq = sirfsoc_timer1_irq.irq; + ce->name = "local_timer"; + ce->features = sirfsoc_clockevent.features; + ce->rating = sirfsoc_clockevent.rating; + ce->set_mode = sirfsoc_timer_set_mode; + ce->set_next_event = sirfsoc_timer_set_next_event; + ce->shift = sirfsoc_clockevent.shift; + ce->mult = sirfsoc_clockevent.mult; + ce->max_delta_ns = sirfsoc_clockevent.max_delta_ns; + ce->min_delta_ns = sirfsoc_clockevent.min_delta_ns; + + sirfsoc_timer1_irq.dev_id = ce; + BUG_ON(setup_irq(ce->irq, &sirfsoc_timer1_irq)); + irq_set_affinity(sirfsoc_timer1_irq.irq, cpumask_of(1)); + + clockevents_register_device(ce); + return 0; +} + +static void sirfsoc_local_timer_stop(struct clock_event_device *ce) +{ + sirfsoc_timer_count_disable(1); + + remove_irq(sirfsoc_timer1_irq.irq, &sirfsoc_timer1_irq); +} + +static struct local_timer_ops sirfsoc_local_timer_ops __cpuinitdata = { + .setup = sirfsoc_local_timer_setup, + .stop = sirfsoc_local_timer_stop, +}; +#endif /* CONFIG_LOCAL_TIMERS */ + +static void __init sirfsoc_clockevent_init(void) +{ + clockevents_calc_mult_shift(&sirfsoc_clockevent, CLOCK_TICK_RATE, 60); + + sirfsoc_clockevent.max_delta_ns = + clockevent_delta2ns(-2, &sirfsoc_clockevent); + sirfsoc_clockevent.min_delta_ns = + clockevent_delta2ns(2, &sirfsoc_clockevent); + + sirfsoc_clockevent.cpumask = cpumask_of(0); + clockevents_register_device(&sirfsoc_clockevent); +#ifdef CONFIG_LOCAL_TIMERS + local_timer_register(&sirfsoc_local_timer_ops); +#endif +} + +/* initialize the kernel jiffy timer source */ +static void __init sirfsoc_marco_timer_init(void) +{ + unsigned long rate; + u32 timer_div; + struct clk *clk; + + /* timer's input clock is io clock */ + clk = clk_get_sys("io", NULL); + + BUG_ON(IS_ERR(clk)); + rate = clk_get_rate(clk); + + BUG_ON(rate < CLOCK_TICK_RATE); + BUG_ON(rate % CLOCK_TICK_RATE); + + /* Initialize the timer dividers */ + timer_div = rate / CLOCK_TICK_RATE - 1; + writel_relaxed(timer_div << 16, sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_CTRL); + writel_relaxed(timer_div << 16, sirfsoc_timer_base + SIRFSOC_TIMER_32COUNTER_0_CTRL); + writel_relaxed(timer_div << 16, sirfsoc_timer_base + SIRFSOC_TIMER_32COUNTER_1_CTRL); + + /* Initialize timer counters to 0 */ + writel_relaxed(0, sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_LOAD_LO); + writel_relaxed(0, sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_LOAD_HI); + writel_relaxed(readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_CTRL) | + BIT(1) | BIT(0), sirfsoc_timer_base + SIRFSOC_TIMER_64COUNTER_CTRL); + writel_relaxed(0, sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_0); + writel_relaxed(0, sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_1); + + /* Clear all interrupts */ + writel_relaxed(0xFFFF, sirfsoc_timer_base + SIRFSOC_TIMER_INTR_STATUS); + + BUG_ON(clocksource_register_hz(&sirfsoc_clocksource, CLOCK_TICK_RATE)); + + BUG_ON(setup_irq(sirfsoc_timer_irq.irq, &sirfsoc_timer_irq)); + + sirfsoc_clockevent_init(); +} + +static void __init sirfsoc_of_timer_init(struct device_node *np) +{ + sirfsoc_timer_base = of_iomap(np, 0); + if (!sirfsoc_timer_base) + panic("unable to map timer cpu registers\n"); + + sirfsoc_timer_irq.irq = irq_of_parse_and_map(np, 0); + if (!sirfsoc_timer_irq.irq) + panic("No irq passed for timer0 via DT\n"); + +#ifdef CONFIG_LOCAL_TIMERS + sirfsoc_timer1_irq.irq = irq_of_parse_and_map(np, 1); + if (!sirfsoc_timer1_irq.irq) + panic("No irq passed for timer1 via DT\n"); +#endif + + sirfsoc_marco_timer_init(); +} +CLOCKSOURCE_OF_DECLARE(sirfsoc_marco_timer, "sirf,marco-tick", sirfsoc_of_timer_init ); diff --git a/drivers/clocksource/timer-prima2.c b/drivers/clocksource/timer-prima2.c new file mode 100644 index 0000000..7608826 --- /dev/null +++ b/drivers/clocksource/timer-prima2.c @@ -0,0 +1,215 @@ +/* + * System timer for CSR SiRFprimaII + * + * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. + * + * Licensed under GPLv2 or later. + */ + +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/clockchips.h> +#include <linux/clocksource.h> +#include <linux/bitops.h> +#include <linux/irq.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/slab.h> +#include <linux/of.h> +#include <linux/of_irq.h> +#include <linux/of_address.h> +#include <asm/sched_clock.h> +#include <asm/mach/time.h> + +#define SIRFSOC_TIMER_COUNTER_LO 0x0000 +#define SIRFSOC_TIMER_COUNTER_HI 0x0004 +#define SIRFSOC_TIMER_MATCH_0 0x0008 +#define SIRFSOC_TIMER_MATCH_1 0x000C +#define SIRFSOC_TIMER_MATCH_2 0x0010 +#define SIRFSOC_TIMER_MATCH_3 0x0014 +#define SIRFSOC_TIMER_MATCH_4 0x0018 +#define SIRFSOC_TIMER_MATCH_5 0x001C +#define SIRFSOC_TIMER_STATUS 0x0020 +#define SIRFSOC_TIMER_INT_EN 0x0024 +#define SIRFSOC_TIMER_WATCHDOG_EN 0x0028 +#define SIRFSOC_TIMER_DIV 0x002C +#define SIRFSOC_TIMER_LATCH 0x0030 +#define SIRFSOC_TIMER_LATCHED_LO 0x0034 +#define SIRFSOC_TIMER_LATCHED_HI 0x0038 + +#define SIRFSOC_TIMER_WDT_INDEX 5 + +#define SIRFSOC_TIMER_LATCH_BIT BIT(0) + +#define SIRFSOC_TIMER_REG_CNT 11 + +static const u32 sirfsoc_timer_reg_list[SIRFSOC_TIMER_REG_CNT] = { + SIRFSOC_TIMER_MATCH_0, SIRFSOC_TIMER_MATCH_1, SIRFSOC_TIMER_MATCH_2, + SIRFSOC_TIMER_MATCH_3, SIRFSOC_TIMER_MATCH_4, SIRFSOC_TIMER_MATCH_5, + SIRFSOC_TIMER_INT_EN, SIRFSOC_TIMER_WATCHDOG_EN, SIRFSOC_TIMER_DIV, + SIRFSOC_TIMER_LATCHED_LO, SIRFSOC_TIMER_LATCHED_HI, +}; + +static u32 sirfsoc_timer_reg_val[SIRFSOC_TIMER_REG_CNT]; + +static void __iomem *sirfsoc_timer_base; + +/* timer0 interrupt handler */ +static irqreturn_t sirfsoc_timer_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *ce = dev_id; + + WARN_ON(!(readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_STATUS) & BIT(0))); + + /* clear timer0 interrupt */ + writel_relaxed(BIT(0), sirfsoc_timer_base + SIRFSOC_TIMER_STATUS); + + ce->event_handler(ce); + + return IRQ_HANDLED; +} + +/* read 64-bit timer counter */ +static cycle_t sirfsoc_timer_read(struct clocksource *cs) +{ + u64 cycles; + + /* latch the 64-bit timer counter */ + writel_relaxed(SIRFSOC_TIMER_LATCH_BIT, sirfsoc_timer_base + SIRFSOC_TIMER_LATCH); + cycles = readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_LATCHED_HI); + cycles = (cycles << 32) | readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_LATCHED_LO); + + return cycles; +} + +static int sirfsoc_timer_set_next_event(unsigned long delta, + struct clock_event_device *ce) +{ + unsigned long now, next; + + writel_relaxed(SIRFSOC_TIMER_LATCH_BIT, sirfsoc_timer_base + SIRFSOC_TIMER_LATCH); + now = readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_LATCHED_LO); + next = now + delta; + writel_relaxed(next, sirfsoc_timer_base + SIRFSOC_TIMER_MATCH_0); + writel_relaxed(SIRFSOC_TIMER_LATCH_BIT, sirfsoc_timer_base + SIRFSOC_TIMER_LATCH); + now = readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_LATCHED_LO); + + return next - now > delta ? -ETIME : 0; +} + +static void sirfsoc_timer_set_mode(enum clock_event_mode mode, + struct clock_event_device *ce) +{ + u32 val = readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_INT_EN); + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + WARN_ON(1); + break; + case CLOCK_EVT_MODE_ONESHOT: + writel_relaxed(val | BIT(0), sirfsoc_timer_base + SIRFSOC_TIMER_INT_EN); + break; + case CLOCK_EVT_MODE_SHUTDOWN: + writel_relaxed(val & ~BIT(0), sirfsoc_timer_base + SIRFSOC_TIMER_INT_EN); + break; + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_RESUME: + break; + } +} + +static void sirfsoc_clocksource_suspend(struct clocksource *cs) +{ + int i; + + writel_relaxed(SIRFSOC_TIMER_LATCH_BIT, sirfsoc_timer_base + SIRFSOC_TIMER_LATCH); + + for (i = 0; i < SIRFSOC_TIMER_REG_CNT; i++) + sirfsoc_timer_reg_val[i] = readl_relaxed(sirfsoc_timer_base + sirfsoc_timer_reg_list[i]); +} + +static void sirfsoc_clocksource_resume(struct clocksource *cs) +{ + int i; + + for (i = 0; i < SIRFSOC_TIMER_REG_CNT - 2; i++) + writel_relaxed(sirfsoc_timer_reg_val[i], sirfsoc_timer_base + sirfsoc_timer_reg_list[i]); + + writel_relaxed(sirfsoc_timer_reg_val[SIRFSOC_TIMER_REG_CNT - 2], sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_LO); + writel_relaxed(sirfsoc_timer_reg_val[SIRFSOC_TIMER_REG_CNT - 1], sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_HI); +} + +static struct clock_event_device sirfsoc_clockevent = { + .name = "sirfsoc_clockevent", + .rating = 200, + .features = CLOCK_EVT_FEAT_ONESHOT, + .set_mode = sirfsoc_timer_set_mode, + .set_next_event = sirfsoc_timer_set_next_event, +}; + +static struct clocksource sirfsoc_clocksource = { + .name = "sirfsoc_clocksource", + .rating = 200, + .mask = CLOCKSOURCE_MASK(64), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, + .read = sirfsoc_timer_read, + .suspend = sirfsoc_clocksource_suspend, + .resume = sirfsoc_clocksource_resume, +}; + +static struct irqaction sirfsoc_timer_irq = { + .name = "sirfsoc_timer0", + .flags = IRQF_TIMER, + .irq = 0, + .handler = sirfsoc_timer_interrupt, + .dev_id = &sirfsoc_clockevent, +}; + +/* Overwrite weak default sched_clock with more precise one */ +static u32 notrace sirfsoc_read_sched_clock(void) +{ + return (u32)(sirfsoc_timer_read(NULL) & 0xffffffff); +} + +static void __init sirfsoc_clockevent_init(void) +{ + sirfsoc_clockevent.cpumask = cpumask_of(0); + clockevents_config_and_register(&sirfsoc_clockevent, CLOCK_TICK_RATE, + 2, -2); +} + +/* initialize the kernel jiffy timer source */ +static void __init sirfsoc_prima2_timer_init(struct device_node *np) +{ + unsigned long rate; + struct clk *clk; + + /* timer's input clock is io clock */ + clk = clk_get_sys("io", NULL); + + BUG_ON(IS_ERR(clk)); + + rate = clk_get_rate(clk); + + BUG_ON(rate < CLOCK_TICK_RATE); + BUG_ON(rate % CLOCK_TICK_RATE); + + sirfsoc_timer_base = of_iomap(np, 0); + if (!sirfsoc_timer_base) + panic("unable to map timer cpu registers\n"); + + sirfsoc_timer_irq.irq = irq_of_parse_and_map(np, 0); + + writel_relaxed(rate / CLOCK_TICK_RATE / 2 - 1, sirfsoc_timer_base + SIRFSOC_TIMER_DIV); + writel_relaxed(0, sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_LO); + writel_relaxed(0, sirfsoc_timer_base + SIRFSOC_TIMER_COUNTER_HI); + writel_relaxed(BIT(0), sirfsoc_timer_base + SIRFSOC_TIMER_STATUS); + + BUG_ON(clocksource_register_hz(&sirfsoc_clocksource, CLOCK_TICK_RATE)); + + setup_sched_clock(sirfsoc_read_sched_clock, 32, CLOCK_TICK_RATE); + + BUG_ON(setup_irq(sirfsoc_timer_irq.irq, &sirfsoc_timer_irq)); + + sirfsoc_clockevent_init(); +} +CLOCKSOURCE_OF_DECLARE(sirfsoc_prima2_timer, "sirf,prima2-tick", sirfsoc_prima2_timer_init); diff --git a/drivers/clocksource/vt8500_timer.c b/drivers/clocksource/vt8500_timer.c index 8efc86b..64f553f 100644 --- a/drivers/clocksource/vt8500_timer.c +++ b/drivers/clocksource/vt8500_timer.c @@ -129,22 +129,10 @@ static struct irqaction irq = { .dev_id = &clockevent, }; -static struct of_device_id vt8500_timer_ids[] = { - { .compatible = "via,vt8500-timer" }, - { } -}; - -static void __init vt8500_timer_init(void) +static void __init vt8500_timer_init(struct device_node *np) { - struct device_node *np; int timer_irq; - np = of_find_matching_node(NULL, vt8500_timer_ids); - if (!np) { - pr_err("%s: Timer description missing from Device Tree\n", - __func__); - return; - } regbase = of_iomap(np, 0); if (!regbase) { pr_err("%s: Missing iobase description in Device Tree\n", @@ -177,4 +165,4 @@ static void __init vt8500_timer_init(void) 4, 0xf0000000); } -CLOCKSOURCE_OF_DECLARE(vt8500, "via,vt8500-timer", vt8500_timer_init) +CLOCKSOURCE_OF_DECLARE(vt8500, "via,vt8500-timer", vt8500_timer_init); diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index 98e3b87..5cb6bd2 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -8,4 +8,5 @@ obj-$(CONFIG_ARCH_SUNXI) += irq-sunxi.o obj-$(CONFIG_ARCH_SPEAR3XX) += spear-shirq.o obj-$(CONFIG_ARM_GIC) += irq-gic.o obj-$(CONFIG_ARM_VIC) += irq-vic.o +obj-$(CONFIG_SIRF_IRQ) += irq-sirfsoc.o obj-$(CONFIG_VERSATILE_FPGA_IRQ) += irq-versatile-fpga.o diff --git a/drivers/irqchip/irq-sirfsoc.c b/drivers/irqchip/irq-sirfsoc.c new file mode 100644 index 0000000..69ea44e --- /dev/null +++ b/drivers/irqchip/irq-sirfsoc.c @@ -0,0 +1,126 @@ +/* + * interrupt controller support for CSR SiRFprimaII + * + * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. + * + * Licensed under GPLv2 or later. + */ + +#include <linux/init.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/irqdomain.h> +#include <linux/syscore_ops.h> +#include <asm/mach/irq.h> +#include <asm/exception.h> +#include "irqchip.h" + +#define SIRFSOC_INT_RISC_MASK0 0x0018 +#define SIRFSOC_INT_RISC_MASK1 0x001C +#define SIRFSOC_INT_RISC_LEVEL0 0x0020 +#define SIRFSOC_INT_RISC_LEVEL1 0x0024 +#define SIRFSOC_INIT_IRQ_ID 0x0038 + +#define SIRFSOC_NUM_IRQS 128 + +static struct irq_domain *sirfsoc_irqdomain; + +static __init void +sirfsoc_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num) +{ + struct irq_chip_generic *gc; + struct irq_chip_type *ct; + + gc = irq_alloc_generic_chip("SIRFINTC", 1, irq_start, base, handle_level_irq); + ct = gc->chip_types; + + ct->chip.irq_mask = irq_gc_mask_clr_bit; + ct->chip.irq_unmask = irq_gc_mask_set_bit; + ct->regs.mask = SIRFSOC_INT_RISC_MASK0; + + irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE, IRQ_NOREQUEST, 0); +} + +static asmlinkage void __exception_irq_entry sirfsoc_handle_irq(struct pt_regs *regs) +{ + void __iomem *base = sirfsoc_irqdomain->host_data; + u32 irqstat, irqnr; + + irqstat = readl_relaxed(base + SIRFSOC_INIT_IRQ_ID); + irqnr = irq_find_mapping(sirfsoc_irqdomain, irqstat & 0xff); + + handle_IRQ(irqnr, regs); +} + +static int __init sirfsoc_irq_init(struct device_node *np, struct device_node *parent) +{ + void __iomem *base = of_iomap(np, 0); + if (!base) + panic("unable to map intc cpu registers\n"); + + /* using legacy because irqchip_generic does not work with linear */ + sirfsoc_irqdomain = irq_domain_add_legacy(np, SIRFSOC_NUM_IRQS, 0, 0, + &irq_domain_simple_ops, base); + + sirfsoc_alloc_gc(base, 0, 32); + sirfsoc_alloc_gc(base + 4, 32, SIRFSOC_NUM_IRQS - 32); + + writel_relaxed(0, base + SIRFSOC_INT_RISC_LEVEL0); + writel_relaxed(0, base + SIRFSOC_INT_RISC_LEVEL1); + + writel_relaxed(0, base + SIRFSOC_INT_RISC_MASK0); + writel_relaxed(0, base + SIRFSOC_INT_RISC_MASK1); + + set_handle_irq(sirfsoc_handle_irq); + + return 0; +} +IRQCHIP_DECLARE(sirfsoc_intc, "sirf,prima2-intc", sirfsoc_irq_init); + +struct sirfsoc_irq_status { + u32 mask0; + u32 mask1; + u32 level0; + u32 level1; +}; + +static struct sirfsoc_irq_status sirfsoc_irq_st; + +static int sirfsoc_irq_suspend(void) +{ + void __iomem *base = sirfsoc_irqdomain->host_data; + + sirfsoc_irq_st.mask0 = readl_relaxed(base + SIRFSOC_INT_RISC_MASK0); + sirfsoc_irq_st.mask1 = readl_relaxed(base + SIRFSOC_INT_RISC_MASK1); + sirfsoc_irq_st.level0 = readl_relaxed(base + SIRFSOC_INT_RISC_LEVEL0); + sirfsoc_irq_st.level1 = readl_relaxed(base + SIRFSOC_INT_RISC_LEVEL1); + + return 0; +} + +static void sirfsoc_irq_resume(void) +{ + void __iomem *base = sirfsoc_irqdomain->host_data; + + writel_relaxed(sirfsoc_irq_st.mask0, base + SIRFSOC_INT_RISC_MASK0); + writel_relaxed(sirfsoc_irq_st.mask1, base + SIRFSOC_INT_RISC_MASK1); + writel_relaxed(sirfsoc_irq_st.level0, base + SIRFSOC_INT_RISC_LEVEL0); + writel_relaxed(sirfsoc_irq_st.level1, base + SIRFSOC_INT_RISC_LEVEL1); +} + +static struct syscore_ops sirfsoc_irq_syscore_ops = { + .suspend = sirfsoc_irq_suspend, + .resume = sirfsoc_irq_resume, +}; + +static int __init sirfsoc_irq_pm_init(void) +{ + if (!sirfsoc_irqdomain) + return 0; + + register_syscore_ops(&sirfsoc_irq_syscore_ops); + return 0; +} +device_initcall(sirfsoc_irq_pm_init); diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c index 30bfdc4..6ba8502 100644 --- a/drivers/mmc/host/sdhci-cns3xxx.c +++ b/drivers/mmc/host/sdhci-cns3xxx.c @@ -16,7 +16,6 @@ #include <linux/device.h> #include <linux/mmc/host.h> #include <linux/module.h> -#include <mach/cns3xxx.h> #include "sdhci-pltfm.h" static unsigned int sdhci_cns3xxx_get_max_clk(struct sdhci_host *host) diff --git a/drivers/pinctrl/pinctrl-sirf.c b/drivers/pinctrl/pinctrl-sirf.c index d02498b..eaea149 100644 --- a/drivers/pinctrl/pinctrl-sirf.c +++ b/drivers/pinctrl/pinctrl-sirf.c @@ -1347,7 +1347,7 @@ static inline int sirfsoc_gpio_to_irq(struct gpio_chip *chip, unsigned offset) struct sirfsoc_gpio_bank *bank = container_of(to_of_mm_gpio_chip(chip), struct sirfsoc_gpio_bank, chip); - return irq_find_mapping(bank->domain, offset); + return irq_create_mapping(bank->domain, offset); } static inline int sirfsoc_gpio_to_offset(unsigned int gpio) @@ -1485,7 +1485,6 @@ static void sirfsoc_gpio_handle_irq(unsigned int irq, struct irq_desc *desc) struct sirfsoc_gpio_bank *bank = irq_get_handler_data(irq); u32 status, ctrl; int idx = 0; - unsigned int first_irq; struct irq_chip *chip = irq_get_chip(irq); chained_irq_enter(chip, desc); @@ -1499,8 +1498,6 @@ static void sirfsoc_gpio_handle_irq(unsigned int irq, struct irq_desc *desc) return; } - first_irq = bank->domain->revmap_data.legacy.first_irq; - while (status) { ctrl = readl(bank->chip.regs + SIRFSOC_GPIO_CTRL(bank->id, idx)); @@ -1511,7 +1508,7 @@ static void sirfsoc_gpio_handle_irq(unsigned int irq, struct irq_desc *desc) if ((status & 0x1) && (ctrl & SIRFSOC_GPIO_CTL_INTR_EN_MASK)) { pr_debug("%s: gpio id %d idx %d happens\n", __func__, bank->id, idx); - generic_handle_irq(first_irq + idx); + generic_handle_irq(irq_find_mapping(bank->domain, idx)); } idx++; @@ -1770,9 +1767,8 @@ static int sirfsoc_gpio_probe(struct device_node *np) goto out; } - bank->domain = irq_domain_add_legacy(np, SIRFSOC_GPIO_BANK_SIZE, - SIRFSOC_GPIO_IRQ_START + i * SIRFSOC_GPIO_BANK_SIZE, 0, - &sirfsoc_gpio_irq_simple_ops, bank); + bank->domain = irq_domain_add_linear(np, SIRFSOC_GPIO_BANK_SIZE, + &sirfsoc_gpio_irq_simple_ops, bank); if (!bank->domain) { pr_err("%s: Failed to create irqdomain\n", np->full_name); |