diff options
Diffstat (limited to 'arch/arm/include/asm/arch-tegra')
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/ap.h | 52 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/board.h | 7 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/clk_rst.h | 196 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/clock.h | 65 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/funcmux.h | 39 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/gp_padctrl.h | 40 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/pmc.h | 8 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/tegra.h | 19 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/tegra_slink.h | 84 |
9 files changed, 443 insertions, 67 deletions
diff --git a/arch/arm/include/asm/arch-tegra/ap.h b/arch/arm/include/asm/arch-tegra/ap.h index 70d94c5..73dfd39 100644 --- a/arch/arm/include/asm/arch-tegra/ap.h +++ b/arch/arm/include/asm/arch-tegra/ap.h @@ -23,67 +23,27 @@ #include <asm/types.h> /* Stabilization delays, in usec */ -#define PLL_STABILIZATION_DELAY (300) +#define PLL_STABILIZATION_DELAY (300) #define IO_STABILIZATION_DELAY (1000) -#define NVBL_PLLP_KHZ (216000) - #define PLLX_ENABLED (1 << 30) #define CCLK_BURST_POLICY 0x20008888 #define SUPER_CCLK_DIVIDER 0x80000000 /* Calculate clock fractional divider value from ref and target frequencies */ -#define CLK_DIVIDER(REF, FREQ) ((((REF) * 2) / FREQ) - 2) +#define CLK_DIVIDER(REF, FREQ) ((((REF) * 2) / FREQ) - 2) /* Calculate clock frequency value from reference and clock divider value */ -#define CLK_FREQUENCY(REF, REG) (((REF) * 2) / (REG + 2)) +#define CLK_FREQUENCY(REF, REG) (((REF) * 2) / (REG + 2)) /* AVP/CPU ID */ #define PG_UP_TAG_0_PID_CPU 0x55555555 /* CPU aka "a9" aka "mpcore" */ -#define PG_UP_TAG_0 0x0 +#define PG_UP_TAG_0 0x0 #define CORESIGHT_UNLOCK 0xC5ACCE55; -/* AP20-Specific Base Addresses */ - -/* AP20 Base physical address of SDRAM. */ -#define AP20_BASE_PA_SDRAM 0x00000000 -/* AP20 Base physical address of internal SRAM. */ -#define AP20_BASE_PA_SRAM 0x40000000 -/* AP20 Size of internal SRAM (256KB). */ -#define AP20_BASE_PA_SRAM_SIZE 0x00040000 -/* AP20 Base physical address of flash. */ -#define AP20_BASE_PA_NOR_FLASH 0xD0000000 -/* AP20 Base physical address of boot information table. */ -#define AP20_BASE_PA_BOOT_INFO AP20_BASE_PA_SRAM - -/* - * Super-temporary stacks for EXTREMELY early startup. The values chosen for - * these addresses must be valid on ALL SOCs because this value is used before - * we are able to differentiate between the SOC types. - * - * NOTE: The since CPU's stack will eventually be moved from IRAM to SDRAM, its - * stack is placed below the AVP stack. Once the CPU stack has been moved, - * the AVP is free to use the IRAM the CPU stack previously occupied if - * it should need to do so. - * - * NOTE: In multi-processor CPU complex configurations, each processor will have - * its own stack of size CPU_EARLY_BOOT_STACK_SIZE. CPU 0 will have a - * limit of CPU_EARLY_BOOT_STACK_LIMIT. Each successive CPU will have a - * stack limit that is CPU_EARLY_BOOT_STACK_SIZE less then the previous - * CPU. - */ - -/* Common AVP early boot stack limit */ -#define AVP_EARLY_BOOT_STACK_LIMIT \ - (AP20_BASE_PA_SRAM + (AP20_BASE_PA_SRAM_SIZE/2)) -/* Common AVP early boot stack size */ -#define AVP_EARLY_BOOT_STACK_SIZE 0x1000 -/* Common CPU early boot stack limit */ -#define CPU_EARLY_BOOT_STACK_LIMIT \ - (AVP_EARLY_BOOT_STACK_LIMIT - AVP_EARLY_BOOT_STACK_SIZE) -/* Common CPU early boot stack size */ -#define CPU_EARLY_BOOT_STACK_SIZE 0x1000 +/* AP base physical address of internal SRAM */ +#define NV_PA_BASE_SRAM 0x40000000 #define EXCEP_VECTOR_CPU_RESET_VECTOR (NV_PA_EVP_BASE + 0x100) #define CSITE_CPU_DBG0_LAR (NV_PA_CSITE_BASE + 0x10FB0) diff --git a/arch/arm/include/asm/arch-tegra/board.h b/arch/arm/include/asm/arch-tegra/board.h index be6bf25..3db0d93 100644 --- a/arch/arm/include/asm/arch-tegra/board.h +++ b/arch/arm/include/asm/arch-tegra/board.h @@ -41,8 +41,9 @@ void gpio_early_init(void); /* overrideable GPIO config */ * an empty stub function will be called. */ -void pin_mux_usb(void); /* overrideable USB pinmux setup */ -void pin_mux_spi(void); /* overrideable SPI pinmux setup */ -void pin_mux_nand(void); /* overrideable NAND pinmux setup */ +void pin_mux_usb(void); /* overrideable USB pinmux setup */ +void pin_mux_spi(void); /* overrideable SPI pinmux setup */ +void pin_mux_nand(void); /* overrideable NAND pinmux setup */ +void pin_mux_display(void); /* overrideable DISPLAY pinmux setup */ #endif diff --git a/arch/arm/include/asm/arch-tegra/clk_rst.h b/arch/arm/include/asm/arch-tegra/clk_rst.h index 7b548c2..c754ec7 100644 --- a/arch/arm/include/asm/arch-tegra/clk_rst.h +++ b/arch/arm/include/asm/arch-tegra/clk_rst.h @@ -21,8 +21,8 @@ * MA 02111-1307 USA */ -#ifndef _CLK_RST_H_ -#define _CLK_RST_H_ +#ifndef _TEGRA_CLK_RST_H_ +#define _TEGRA_CLK_RST_H_ /* PLL registers - there are several PLLs in the clock controller */ struct clk_pll { @@ -37,6 +37,12 @@ struct clk_pll_simple { uint pll_misc; /* other misc things */ }; +/* RST_DEV_(L,H,U,V,W)_(SET,CLR) and CLK_ENB_(L,H,U,V,W)_(SET,CLR) */ +struct clk_set_clr { + uint set; + uint clr; +}; + /* * Most PLLs use the clk_pll structure, but some have a simpler two-member * structure for which we use clk_pll_simple. The reason for this non- @@ -45,8 +51,10 @@ struct clk_pll_simple { enum { TEGRA_CLK_PLLS = 6, /* Number of normal PLLs */ TEGRA_CLK_SIMPLE_PLLS = 3, /* Number of simple PLLs */ - TEGRA_CLK_REGS = 3, /* Number of clock enable registers */ - TEGRA_CLK_SOURCES = 64, /* Number of peripheral clock sources */ + TEGRA_CLK_REGS = 3, /* Number of clock enable regs L/H/U */ + TEGRA_CLK_SOURCES = 64, /* Number of ppl clock sources L/H/U */ + TEGRA_CLK_REGS_VW = 2, /* Number of clock enable regs V/W */ + TEGRA_CLK_SOURCES_VW = 32, /* Number of ppl clock sources V/W*/ }; /* Clock/Reset Controller (CLK_RST_CONTROLLER_) regs */ @@ -82,14 +90,80 @@ struct clk_rst_ctlr { uint crc_reserved11; /* _reserved_11, 0xFC */ uint crc_clk_src[TEGRA_CLK_SOURCES]; /*_I2S1_0... 0x100-1fc */ - uint crc_reserved20[80]; /* 0x200-33C */ - uint crc_cpu_cmplx_set; /* _CPU_CMPLX_SET_0, 0x340 */ - uint crc_cpu_cmplx_clr; /* _CPU_CMPLX_CLR_0, 0x344 */ + + uint crc_reserved20[64]; /* _reserved_20, 0x200-2fc */ + + /* _RST_DEV_L/H/U_SET_0 0x300 ~ 0x314 */ + struct clk_set_clr crc_rst_dev_ex[TEGRA_CLK_REGS]; + + uint crc_reserved30[2]; /* _reserved_30, 0x318, 0x31c */ + + /* _CLK_ENB_L/H/U_CLR_0 0x320 ~ 0x334 */ + struct clk_set_clr crc_clk_enb_ex[TEGRA_CLK_REGS]; + + uint crc_reserved31[2]; /* _reserved_31, 0x338, 0x33c */ + + uint crc_cpu_cmplx_set; /* _RST_CPU_CMPLX_SET_0, 0x340 */ + uint crc_cpu_cmplx_clr; /* _RST_CPU_CMPLX_CLR_0, 0x344 */ + + /* Additional (T30) registers */ + uint crc_clk_cpu_cmplx_set; /* _CLK_CPU_CMPLX_SET_0, 0x348 */ + uint crc_clk_cpu_cmplx_clr; /* _CLK_CPU_CMPLX_SET_0, 0x34c */ + + uint crc_reserved32[2]; /* _reserved_32, 0x350,0x354 */ + + uint crc_rst_dev_vw[TEGRA_CLK_REGS_VW]; /* _RST_DEVICES_V/W_0 */ + uint crc_clk_out_enb_vw[TEGRA_CLK_REGS_VW]; /* _CLK_OUT_ENB_V/W_0 */ + uint crc_cclkg_brst_pol; /* _CCLKG_BURST_POLICY_0, 0x368 */ + uint crc_super_cclkg_div; /* _SUPER_CCLKG_DIVIDER_0, 0x36C */ + uint crc_cclklp_brst_pol; /* _CCLKLP_BURST_POLICY_0, 0x370 */ + uint crc_super_cclkp_div; /* _SUPER_CCLKLP_DIVIDER_0, 0x374 */ + uint crc_clk_cpug_cmplx; /* _CLK_CPUG_CMPLX_0, 0x378 */ + uint crc_clk_cpulp_cmplx; /* _CLK_CPULP_CMPLX_0, 0x37C */ + uint crc_cpu_softrst_ctrl; /* _CPU_SOFTRST_CTRL_0, 0x380 */ + uint crc_cpu_softrst_ctrl1; /* _CPU_SOFTRST_CTR1L_0, 0x384 */ + uint crc_cpu_softrst_ctrl2; /* _CPU_SOFTRST_CTRL2_0, 0x388 */ + uint crc_reserved33[9]; /* _reserved_33, 0x38c-3ac */ + uint crc_clk_src_vw[TEGRA_CLK_SOURCES_VW]; /* _G3D2_0..., 0x3b0-0x42c */ + /* _RST_DEV_V/W_SET_0 0x430 ~ 0x43c */ + struct clk_set_clr crc_rst_dev_ex_vw[TEGRA_CLK_REGS_VW]; + /* _CLK_ENB_V/W_CLR_0 0x440 ~ 0x44c */ + struct clk_set_clr crc_clk_enb_ex_vw[TEGRA_CLK_REGS_VW]; + /* Additional (T114) registers */ + uint crc_rst_cpug_cmplx_set; /* _RST_CPUG_CMPLX_SET_0, 0x450 */ + uint crc_rst_cpug_cmplx_clr; /* _RST_CPUG_CMPLX_CLR_0, 0x454 */ + uint crc_rst_cpulp_cmplx_set; /* _RST_CPULP_CMPLX_SET_0, 0x458 */ + uint crc_rst_cpulp_cmplx_clr; /* _RST_CPULP_CMPLX_CLR_0, 0x45C */ + uint crc_clk_cpug_cmplx_set; /* _CLK_CPUG_CMPLX_SET_0, 0x460 */ + uint crc_clk_cpug_cmplx_clr; /* _CLK_CPUG_CMPLX_CLR_0, 0x464 */ + uint crc_clk_cpulp_cmplx_set; /* _CLK_CPULP_CMPLX_SET_0, 0x468 */ + uint crc_clk_cpulp_cmplx_clr; /* _CLK_CPULP_CMPLX_CLR_0, 0x46C */ + uint crc_cpu_cmplx_status; /* _CPU_CMPLX_STATUS_0, 0x470 */ + uint crc_reserved40[1]; /* _reserved_40, 0x474 */ + uint crc_intstatus; /* __INTSTATUS_0, 0x478 */ + uint crc_intmask; /* __INTMASK_0, 0x47C */ + uint crc_utmip_pll_cfg0; /* _UTMIP_PLL_CFG0_0, 0x480 */ + uint crc_utmip_pll_cfg1; /* _UTMIP_PLL_CFG1_0, 0x484 */ + uint crc_utmip_pll_cfg2; /* _UTMIP_PLL_CFG2_0, 0x488 */ + + uint crc_plle_aux; /* _PLLE_AUX_0, 0x48C */ + uint crc_sata_pll_cfg0; /* _SATA_PLL_CFG0_0, 0x490 */ + uint crc_sata_pll_cfg1; /* _SATA_PLL_CFG1_0, 0x494 */ + uint crc_pcie_pll_cfg0; /* _PCIE_PLL_CFG0_0, 0x498 */ + + uint crc_prog_audio_dly_clk; /* _PROG_AUDIO_DLY_CLK_0, 0x49C */ + uint crc_audio_sync_clk_i2s0; /* _AUDIO_SYNC_CLK_I2S0_0, 0x4A0 */ + uint crc_audio_sync_clk_i2s1; /* _AUDIO_SYNC_CLK_I2S1_0, 0x4A4 */ + uint crc_audio_sync_clk_i2s2; /* _AUDIO_SYNC_CLK_I2S2_0, 0x4A8 */ + uint crc_audio_sync_clk_i2s3; /* _AUDIO_SYNC_CLK_I2S3_0, 0x4AC */ + uint crc_audio_sync_clk_i2s4; /* _AUDIO_SYNC_CLK_I2S4_0, 0x4B0 */ + uint crc_audio_sync_clk_spdif; /* _AUDIO_SYNC_CLK_SPDIF_0, 0x4B4 */ }; /* CLK_RST_CONTROLLER_CLK_CPU_CMPLX_0 */ +#define CPU3_CLK_STP_SHIFT 11 +#define CPU2_CLK_STP_SHIFT 10 #define CPU1_CLK_STP_SHIFT 9 - #define CPU0_CLK_STP_SHIFT 8 #define CPU0_CLK_STP_MASK (1U << CPU0_CLK_STP_SHIFT) @@ -120,6 +194,12 @@ struct clk_rst_ctlr { #define PLL_OUT_RATIO_MASK (0xffU << PLL_OUT_RATIO_SHIFT) /* CLK_RST_CONTROLLER_PLLx_MISC_0 */ +#define PLL_DCCON_SHIFT 20 +#define PLL_DCCON_MASK (1U << PLL_DCCON_SHIFT) + +#define PLL_LOCK_ENABLE_SHIFT 18 +#define PLL_LOCK_ENABLE_MASK (1U << PLL_LOCK_ENABLE_SHIFT) + #define PLL_CPCON_SHIFT 8 #define PLL_CPCON_MASK (15U << PLL_CPCON_SHIFT) @@ -129,9 +209,23 @@ struct clk_rst_ctlr { #define PLLU_VCO_FREQ_SHIFT 20 #define PLLU_VCO_FREQ_MASK (1U << PLLU_VCO_FREQ_SHIFT) +#define PLLP_OUT1_OVR (1 << 2) +#define PLLP_OUT2_OVR (1 << 18) +#define PLLP_OUT3_OVR (1 << 2) +#define PLLP_OUT4_OVR (1 << 18) +#define PLLP_OUT1_RATIO 8 +#define PLLP_OUT2_RATIO 24 +#define PLLP_OUT3_RATIO 8 +#define PLLP_OUT4_RATIO 24 + +enum { + IN_408_OUT_204_DIVISOR = 2, + IN_408_OUT_102_DIVISOR = 6, + IN_408_OUT_48_DIVISOR = 15, + IN_408_OUT_9_6_DIVISOR = 83, +}; + /* CLK_RST_CONTROLLER_OSC_CTRL_0 */ -#define OSC_FREQ_SHIFT 30 -#define OSC_FREQ_MASK (3U << OSC_FREQ_SHIFT) #define OSC_XOBP_SHIFT 1 #define OSC_XOBP_MASK (1U << OSC_XOBP_SHIFT) @@ -151,4 +245,84 @@ struct clk_rst_ctlr { #define OUT_CLK_SOURCE4_SHIFT 28 #define OUT_CLK_SOURCE4_MASK (15U << OUT_CLK_SOURCE4_SHIFT) -#endif /* CLK_RST_H */ +/* CLK_RST_CONTROLLER_SCLK_BURST_POLICY */ +#define SCLK_SYS_STATE_SHIFT 28U +#define SCLK_SYS_STATE_MASK (15U << SCLK_SYS_STATE_SHIFT) +enum { + SCLK_SYS_STATE_STDBY, + SCLK_SYS_STATE_IDLE, + SCLK_SYS_STATE_RUN, + SCLK_SYS_STATE_IRQ = 4U, + SCLK_SYS_STATE_FIQ = 8U, +}; +#define SCLK_COP_FIQ_MASK (1 << 27) +#define SCLK_CPU_FIQ_MASK (1 << 26) +#define SCLK_COP_IRQ_MASK (1 << 25) +#define SCLK_CPU_IRQ_MASK (1 << 24) + +#define SCLK_SWAKEUP_FIQ_SOURCE_SHIFT 12 +#define SCLK_SWAKEUP_FIQ_SOURCE_MASK \ + (7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT) +#define SCLK_SWAKEUP_IRQ_SOURCE_SHIFT 8 +#define SCLK_SWAKEUP_IRQ_SOURCE_MASK \ + (7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT) +#define SCLK_SWAKEUP_RUN_SOURCE_SHIFT 4 +#define SCLK_SWAKEUP_RUN_SOURCE_MASK \ + (7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT) +#define SCLK_SWAKEUP_IDLE_SOURCE_SHIFT 0 + +#define SCLK_SWAKEUP_IDLE_SOURCE_MASK \ + (7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT) +enum { + SCLK_SOURCE_CLKM, + SCLK_SOURCE_PLLC_OUT1, + SCLK_SOURCE_PLLP_OUT4, + SCLK_SOURCE_PLLP_OUT3, + SCLK_SOURCE_PLLP_OUT2, + SCLK_SOURCE_CLKD, + SCLK_SOURCE_CLKS, + SCLK_SOURCE_PLLM_OUT1, +}; +#define SCLK_SWAKE_FIQ_SRC_PLLM_OUT1 (7 << 12) +#define SCLK_SWAKE_IRQ_SRC_PLLM_OUT1 (7 << 8) +#define SCLK_SWAKE_RUN_SRC_PLLM_OUT1 (7 << 4) +#define SCLK_SWAKE_IDLE_SRC_PLLM_OUT1 (7 << 0) + +/* CLK_RST_CONTROLLER_SUPER_SCLK_DIVIDER */ +#define SUPER_SCLK_ENB_SHIFT 31U +#define SUPER_SCLK_ENB_MASK (1U << 31) +#define SUPER_SCLK_DIVIDEND_SHIFT 8 +#define SUPER_SCLK_DIVIDEND_MASK (0xff << SUPER_SCLK_DIVIDEND_SHIFT) +#define SUPER_SCLK_DIVISOR_SHIFT 0 +#define SUPER_SCLK_DIVISOR_MASK (0xff << SUPER_SCLK_DIVISOR_SHIFT) + +/* CLK_RST_CONTROLLER_CLK_SYSTEM_RATE */ +#define CLK_SYS_RATE_HCLK_DISABLE_SHIFT 7 +#define CLK_SYS_RATE_HCLK_DISABLE_MASK (1 << CLK_SYS_RATE_HCLK_DISABLE_SHIFT) +#define CLK_SYS_RATE_AHB_RATE_SHIFT 4 +#define CLK_SYS_RATE_AHB_RATE_MASK (3 << CLK_SYS_RATE_AHB_RATE_SHIFT) +#define CLK_SYS_RATE_PCLK_DISABLE_SHIFT 3 +#define CLK_SYS_RATE_PCLK_DISABLE_MASK (1 << CLK_SYS_RATE_PCLK_DISABLE_SHIFT) +#define CLK_SYS_RATE_APB_RATE_SHIFT 0 +#define CLK_SYS_RATE_APB_RATE_MASK (3 << CLK_SYS_RATE_AHB_RATE_SHIFT) + +/* CLK_RST_CONTROLLER_RST_CPUxx_CMPLX_CLR */ +#define CLR_CPURESET0 (1 << 0) +#define CLR_CPURESET1 (1 << 1) +#define CLR_CPURESET2 (1 << 2) +#define CLR_CPURESET3 (1 << 3) +#define CLR_DBGRESET0 (1 << 12) +#define CLR_DBGRESET1 (1 << 13) +#define CLR_DBGRESET2 (1 << 14) +#define CLR_DBGRESET3 (1 << 15) +#define CLR_CORERESET0 (1 << 16) +#define CLR_CORERESET1 (1 << 17) +#define CLR_CORERESET2 (1 << 18) +#define CLR_CORERESET3 (1 << 19) +#define CLR_CXRESET0 (1 << 20) +#define CLR_CXRESET1 (1 << 21) +#define CLR_CXRESET2 (1 << 22) +#define CLR_CXRESET3 (1 << 23) +#define CLR_NONCPURESET (1 << 29) + +#endif /* _TEGRA_CLK_RST_H_ */ diff --git a/arch/arm/include/asm/arch-tegra/clock.h b/arch/arm/include/asm/arch-tegra/clock.h index eac1dc2..c8677bd 100644 --- a/arch/arm/include/asm/arch-tegra/clock.h +++ b/arch/arm/include/asm/arch-tegra/clock.h @@ -21,8 +21,8 @@ /* Tegra clock control functions */ -#ifndef _CLOCK_H -#define _CLOCK_H +#ifndef _TEGRA_CLOCK_H_ +#define _TEGRA_CLOCK_H_ /* Set of oscillator frequencies supported in the internal API. */ enum clock_osc_freq { @@ -82,7 +82,7 @@ int clock_set_pllout(enum clock_id clkid, enum pll_out_id pllout, * @returns 0 if ok, -1 on error (invalid clock id) */ int clock_ll_read_pll(enum clock_id clkid, u32 *divm, u32 *divn, - u32 *divp, u32 *cpcon, u32 *lfcon); + u32 *divp, u32 *cpcon, u32 *lfcon); /* * Enable a clock @@ -136,7 +136,7 @@ enum crc_reset_id { /** * Put parts of the CPU complex into or out of reset.\ * - * @param cpu cpu number (0 or 1 on Tegra2) + * @param cpu cpu number (0 or 1 on Tegra2, 0-3 on Tegra3) * @param which which parts of the complex to affect (OR of crc_reset_id) * @param reset 1 to assert reset, 0 to de-assert */ @@ -262,4 +262,59 @@ void clock_init(void); /* Initialize the PLLs */ void clock_early_init(void); -#endif /* _CLOCK_H_ */ +/* Returns a pointer to the clock source register for a peripheral */ +u32 *get_periph_source_reg(enum periph_id periph_id); + +/** + * Given a peripheral ID and the required source clock, this returns which + * value should be programmed into the source mux for that peripheral. + * + * There is special code here to handle the one source type with 5 sources. + * + * @param periph_id peripheral to start + * @param source PLL id of required parent clock + * @param mux_bits Set to number of bits in mux register: 2 or 4 + * @param divider_bits Set to number of divider bits (8 or 16) + * @return mux value (0-4, or -1 if not found) + */ +int get_periph_clock_source(enum periph_id periph_id, + enum clock_id parent, int *mux_bits, int *divider_bits); + +/* + * Convert a device tree clock ID to our peripheral ID. They are mostly + * the same but we are very cautious so we check that a valid clock ID is + * provided. + * + * @param clk_id Clock ID according to tegra30 device tree binding + * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid + */ +enum periph_id clk_id_to_periph_id(int clk_id); + +/** + * Set the output frequency you want for each PLL clock. + * PLL output frequencies are programmed by setting their N, M and P values. + * The governing equations are: + * VCO = (Fi / m) * n, Fo = VCO / (2^p) + * where Fo is the output frequency from the PLL. + * Example: Set the output frequency to 216Mhz(Fo) with 12Mhz OSC(Fi) + * 216Mhz = ((12Mhz / m) * n) / (2^p) so n=432,m=12,p=1 + * Please see Tegra TRM section 5.3 to get the detail for PLL Programming + * + * @param n PLL feedback divider(DIVN) + * @param m PLL input divider(DIVN) + * @param p post divider(DIVP) + * @param cpcon base PLL charge pump(CPCON) + * @return 0 if ok, -1 on error (the requested PLL is incorrect and cannot + * be overriden), 1 if PLL is already correct + */ +int clock_set_rate(enum clock_id clkid, u32 n, u32 m, u32 p, u32 cpcon); + +/* return 1 if a peripheral ID is in range */ +#define clock_type_id_isvalid(id) ((id) >= 0 && \ + (id) < CLOCK_TYPE_COUNT) + +/* return 1 if a periphc_internal_id is in range */ +#define periphc_internal_id_isvalid(id) ((id) >= 0 && \ + (id) < PERIPHC_COUNT) + +#endif /* _TEGRA_CLOCK_H_ */ diff --git a/arch/arm/include/asm/arch-tegra/funcmux.h b/arch/arm/include/asm/arch-tegra/funcmux.h new file mode 100644 index 0000000..f101e5e --- /dev/null +++ b/arch/arm/include/asm/arch-tegra/funcmux.h @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. + */ + +/* Tegra high-level function multiplexing */ + +#ifndef _TEGRA_FUNCMUX_H_ +#define _TEGRA_FUNCMUX_H_ + +/** + * Select a config for a particular peripheral. + * + * Each peripheral can operate through a number of configurations, + * which are sets of pins that it uses to bring out its signals. + * The basic config is 0, and higher numbers indicate different + * pinmux settings to bring the peripheral out on other pins, + * + * This function also disables tristate for the function's pins, + * so that they operate in normal mode. + * + * @param id Peripheral id + * @param config Configuration to use (FUNCMUX_...), 0 for default + * @return 0 if ok, -1 on error (e.g. incorrect id or config) + */ +int funcmux_select(enum periph_id id, int config); + +#endif /* _TEGRA_FUNCMUX_H_ */ diff --git a/arch/arm/include/asm/arch-tegra/gp_padctrl.h b/arch/arm/include/asm/arch-tegra/gp_padctrl.h new file mode 100644 index 0000000..209abf1 --- /dev/null +++ b/arch/arm/include/asm/arch-tegra/gp_padctrl.h @@ -0,0 +1,40 @@ +/* + * (C) Copyright 2010-2012 + * NVIDIA Corporation <www.nvidia.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _TEGRA_GP_PADCTRL_H_ +#define _TEGRA_GP_PADCTRL_H_ + +#define GP_HIDREV 0x804 + +/* bit fields definitions for APB_MISC_GP_HIDREV register */ +#define HIDREV_CHIPID_SHIFT 8 +#define HIDREV_CHIPID_MASK (0xff << HIDREV_CHIPID_SHIFT) +#define HIDREV_MAJORPREV_SHIFT 4 +#define HIDREV_MAJORPREV_MASK (0xf << HIDREV_MAJORPREV_SHIFT) + +/* CHIPID field returned from APB_MISC_GP_HIDREV register */ +#define CHIPID_TEGRA20 0x20 +#define CHIPID_TEGRA30 0x30 +#define CHIPID_TEGRA114 0x35 + +#endif /* _TEGRA_GP_PADCTRL_H_ */ diff --git a/arch/arm/include/asm/arch-tegra/pmc.h b/arch/arm/include/asm/arch-tegra/pmc.h index b1d47cd..1bcdcf8 100644 --- a/arch/arm/include/asm/arch-tegra/pmc.h +++ b/arch/arm/include/asm/arch-tegra/pmc.h @@ -128,5 +128,13 @@ struct pmc_ctlr { #define START_CP (1 << 8) #define CPUPWRREQ_OE (1 << 16) +#define CPUPWRREQ_POL (1 << 15) + +#define CRAILID (0) +#define CE0ID (14) +#define C0NCID (15) +#define CRAIL (1 << CRAILID) +#define CE0 (1 << CE0ID) +#define C0NC (1 << C0NCID) #endif /* PMC_H */ diff --git a/arch/arm/include/asm/arch-tegra/tegra.h b/arch/arm/include/asm/arch-tegra/tegra.h index 6d2e62f..bf7229d 100644 --- a/arch/arm/include/asm/arch-tegra/tegra.h +++ b/arch/arm/include/asm/arch-tegra/tegra.h @@ -40,6 +40,12 @@ #define NV_PA_APB_UARTE_BASE (NV_PA_APB_MISC_BASE + 0x6400) #define NV_PA_NAND_BASE (NV_PA_APB_MISC_BASE + 0x8000) #define NV_PA_SPI_BASE (NV_PA_APB_MISC_BASE + 0xC380) +#define NV_PA_SLINK1_BASE (NV_PA_APB_MISC_BASE + 0xD400) +#define NV_PA_SLINK2_BASE (NV_PA_APB_MISC_BASE + 0xD600) +#define NV_PA_SLINK3_BASE (NV_PA_APB_MISC_BASE + 0xD800) +#define NV_PA_SLINK4_BASE (NV_PA_APB_MISC_BASE + 0xDA00) +#define NV_PA_SLINK5_BASE (NV_PA_APB_MISC_BASE + 0xDC00) +#define NV_PA_SLINK6_BASE (NV_PA_APB_MISC_BASE + 0xDE00) #define TEGRA_DVC_BASE (NV_PA_APB_MISC_BASE + 0xD000) #define NV_PA_PMC_BASE (NV_PA_APB_MISC_BASE + 0xE400) #define NV_PA_EMC_BASE (NV_PA_APB_MISC_BASE + 0xF400) @@ -72,14 +78,23 @@ enum { SKU_ID_T25 = 0x18, SKU_ID_AP25E = 0x1b, SKU_ID_T25E = 0x1c, + SKU_ID_T30 = 0x81, /* Cardhu value */ + SKU_ID_T114_ENG = 0x00, /* Dalmore value, unfused */ }; -/* These are the SOC categories that affect clocking */ +/* + * These are used to distinguish SOC types for setting up clocks. Mostly + * we can tell the clocking required by looking at the SOC sku_id, but + * for T30 it is a user option as to whether to run PLLP in fast or slow + * mode, so we have two options there. + */ enum { TEGRA_SOC_T20, TEGRA_SOC_T25, + TEGRA_SOC_T30, + TEGRA_SOC_T114, - TEGRA_SOC_COUNT, + TEGRA_SOC_CNT, TEGRA_SOC_UNKNOWN = -1, }; diff --git a/arch/arm/include/asm/arch-tegra/tegra_slink.h b/arch/arm/include/asm/arch-tegra/tegra_slink.h new file mode 100644 index 0000000..74804b5 --- /dev/null +++ b/arch/arm/include/asm/arch-tegra/tegra_slink.h @@ -0,0 +1,84 @@ +/* + * NVIDIA Tegra SPI-SLINK controller + * + * Copyright 2010-2013 NVIDIA Corporation + * + * This software may be used and distributed according to the + * terms of the GNU Public License, Version 2, incorporated + * herein by reference. + * + * 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. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _TEGRA_SLINK_H_ +#define _TEGRA_SLINK_H_ + +#include <asm/types.h> + +struct slink_tegra { + u32 command; /* SLINK_COMMAND_0 register */ + u32 command2; /* SLINK_COMMAND2_0 reg */ + u32 status; /* SLINK_STATUS_0 register */ + u32 reserved; /* Reserved offset 0C */ + u32 mas_data; /* SLINK_MAS_DATA_0 reg */ + u32 slav_data; /* SLINK_SLAVE_DATA_0 reg */ + u32 dma_ctl; /* SLINK_DMA_CTL_0 register */ + u32 status2; /* SLINK_STATUS2_0 reg */ + u32 rsvd[56]; /* 0x20 to 0xFF reserved */ + u32 tx_fifo; /* SLINK_TX_FIFO_0 reg off 100h */ + u32 rsvd2[31]; /* 0x104 to 0x17F reserved */ + u32 rx_fifo; /* SLINK_RX_FIFO_0 reg off 180h */ +}; + +/* COMMAND */ +#define SLINK_CMD_ENB (1 << 31) +#define SLINK_CMD_GO (1 << 30) +#define SLINK_CMD_M_S (1 << 28) +#define SLINK_CMD_CK_SDA (1 << 21) +#define SLINK_CMD_CS_POL (1 << 13) +#define SLINK_CMD_CS_VAL (1 << 12) +#define SLINK_CMD_CS_SOFT (1 << 11) +#define SLINK_CMD_BIT_LENGTH (1 << 4) +#define SLINK_CMD_BIT_LENGTH_MASK 0x0000001F +/* COMMAND2 */ +#define SLINK_CMD2_TXEN (1 << 30) +#define SLINK_CMD2_RXEN (1 << 31) +#define SLINK_CMD2_SS_EN (1 << 18) +#define SLINK_CMD2_SS_EN_SHIFT 18 +#define SLINK_CMD2_SS_EN_MASK 0x000C0000 +#define SLINK_CMD2_CS_ACTIVE_BETWEEN (1 << 17) +/* STATUS */ +#define SLINK_STAT_BSY (1 << 31) +#define SLINK_STAT_RDY (1 << 30) +#define SLINK_STAT_ERR (1 << 29) +#define SLINK_STAT_RXF_FLUSH (1 << 27) +#define SLINK_STAT_TXF_FLUSH (1 << 26) +#define SLINK_STAT_RXF_OVF (1 << 25) +#define SLINK_STAT_TXF_UNR (1 << 24) +#define SLINK_STAT_RXF_EMPTY (1 << 23) +#define SLINK_STAT_RXF_FULL (1 << 22) +#define SLINK_STAT_TXF_EMPTY (1 << 21) +#define SLINK_STAT_TXF_FULL (1 << 20) +#define SLINK_STAT_TXF_OVF (1 << 19) +#define SLINK_STAT_RXF_UNR (1 << 18) +#define SLINK_STAT_CUR_BLKCNT (1 << 15) +/* STATUS2 */ +#define SLINK_STAT2_RXF_FULL_CNT (1 << 16) +#define SLINK_STAT2_TXF_FULL_CNT (1 << 0) + +#define SPI_TIMEOUT 1000 +#define TEGRA_SPI_MAX_FREQ 52000000 + +#endif /* _TEGRA_SLINK_H_ */ |