| /* |
| * Definitions for clock control and gating on Allwinner CPUs |
| * |
| * Copyright (C) 2007-2011 Allwinner Technology Co., Ltd. |
| * Tom Cubie <tangliang@allwinnertech.com> |
| * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com> |
| * Subject to the GNU GPL v2, or (at your option) any later version. |
| */ |
| |
| #ifndef CPU_ALLWINNER_A10_CLOCK_H |
| #define CPU_ALLWINNER_A10_CLOCK_H |
| |
| #include "memmap.h" |
| #include <types.h> |
| |
| /* CPU_AHB_APB0 config values */ |
| #define CPU_CLK_SRC_MASK (3 << 16) |
| #define CPU_CLK_SRC_OSC24M (1 << 16) |
| #define CPU_CLK_SRC_PLL1 (2 << 16) |
| #define APB0_DIV_MASK (3 << 8) |
| #define APB0_DIV_1 (0 << 8) |
| #define APB0_DIV_2 (1 << 8) |
| #define APB0_DIV_4 (2 << 8) |
| #define APB0_DIV_8 (3 << 8) |
| #define AHB_DIV_MASK (3 << 4) |
| #define AHB_DIV_1 (0 << 4) |
| #define AHB_DIV_2 (1 << 4) |
| #define AHB_DIV_4 (2 << 4) |
| #define AHB_DIV_8 (3 << 4) |
| #define AXI_DIV_MASK (3 << 0) |
| #define AXI_DIV_1 (0 << 0) |
| #define AXI_DIV_2 (1 << 0) |
| #define AXI_DIV_3 (2 << 0) |
| #define AXI_DIV_4 (3 << 0) |
| |
| /* APB1_CLK_DIV values */ |
| #define APB1_CLK_SRC_MASK (3 << 24) |
| #define APB1_CLK_SRC_OSC24M (0 << 24) |
| #define APB1_CLK_SRC_PLL6 (1 << 24) |
| #define APB1_CLK_SRC_32K (2 << 24) |
| #define APB1_RAT_N_MASK (3 << 16) |
| #define APB1_RAT_N(m) (((m) & 0x3) << 16) |
| #define APB1_RAT_M_MASK 0x1f << 0) |
| #define APB1_RAT_M(n) (((n) & 0x1f) << 0) |
| |
| /* PLL5_CFG values */ |
| #define PLL5_PLL_ENABLE (1 << 31) |
| #define PLL5_OUT_BYPASS_EN (1 << 30) |
| #define PLL5_DDR_CLK_OUT_EN (1 << 29) |
| #define PLL5_DIV_EXP_P_MASK (0x3 << 16) |
| #define PLL5_DIV_EXP_P(ep) ((ep << 16) & PLL5_DIV_EXP_P_MASK) |
| #define PLL5_DIV_P_1 (0x0 << 16) |
| #define PLL5_DIV_P_2 (0x1 << 16) |
| #define PLL5_DIV_P_4 (0x2 << 16) |
| #define PLL5_DIV_P_8 (0x3 << 16) |
| #define PLL5_FACTOR_N_MASK (0x1f << 8) |
| #define PLL5_FACTOR_N(n) ((n << 8) & PLL5_FACTOR_N_MASK) |
| #define PLL5_LDO_EN (1 << 7) |
| #define PLL5_FACTOR_K_MASK (0x3 << 4) |
| #define PLL5_FACTOR_K(k) ((((k) - 1) << 4) & PLL5_FACTOR_K_MASK) |
| #define PLL5_FACTOR_M1_MASK (0x3 << 2) |
| #define PLL5_FACTOR_M1(m1) (((m1) << 2) & PLL5_FACTOR_M1_MASK) |
| #define PLL5_FACTOR_M_MASK (0x3 << 0) |
| #define PLL5_FACTOR_M(m) ((((m) - 1) << 0) & PLL5_FACTOR_M_MASK) |
| |
| /* DRAM_CLK values*/ |
| #define DRAM_CTRL_DCLK_OUT (1 << 15) |
| |
| /* SDx_CLK values */ |
| #define SDx_CLK_GATE (1 << 31) |
| #define SDx_CLK_SRC_MASK (3 << 24) |
| #define SDx_CLK_SRC_OSC24M (0 << 24) |
| #define SDx_CLK_SRC_PLL6 (1 << 24) |
| #define SDx_CLK_SRC_PLL5 (2 << 24) |
| #define SDx_RAT_EXP_N_MASK (3 << 16) |
| #define SDx_RAT_EXP_N(n) (((n) << 16) & SDx_RAT_EXP_N_MASK) |
| #define SDx_RAT_M_MASK (0xf << 0) |
| #define SDx_RAT_M(m) ((((m) - 1) << 0) & SDx_RAT_M_MASK) |
| /** |
| * \brief Clock gating definitions |
| * |
| * The definitions are specified in the form: |
| * 31:5 register offset from A1X_CCM_BASE for the clock register |
| * 4:0 bit offset for the given peripheral |
| * |
| * The names have the form [periph_type][periph_number] |
| * |
| * These definitions are meant to be used with @ref a1x_periph_clock_enable and |
| * @ref a1x_periph_clock_disable |
| */ |
| |
| enum a1x_clken { |
| /* AXI module clock gating */ |
| A1X_CLKEN_DRAM_AXI = (0x5C << 5), |
| /* AHB0 module clock gating */ |
| A1X_CLKEN_USB0 = (0x60 << 5), |
| A1X_CLKEN_EHCI0, |
| RSVD_0x60_2, |
| A1X_CLKEN_EHCI1, |
| RSVD_0x60_4, |
| A1X_CLKEN_SS, |
| A1X_CLKEN_DMA, |
| A1X_CLKEN_BIST, |
| A1X_CLKEN_MMC0, |
| A1X_CLKEN_MMC1, |
| A1X_CLKEN_MMC2, |
| A1X_CLKEN_MMC3, |
| A1X_CLKEN_NC, |
| A1X_CLKEN_NAND, |
| A1X_CLKEN_SDRAM, |
| RSVD_0x60_15, |
| A1X_CLKEN_ACE, |
| A1X_CLKEN_EMAC, |
| A1X_CLKEN_TS, |
| RSVD_0x60_19, |
| A1X_CLKEN_SPI0, |
| A1X_CLKEN_SPI1, |
| A1X_CLKEN_SPI2, |
| A1X_CLKEN_SPI3, |
| A1X_CLKEN_PATA, |
| RSVD_0x60_25, |
| A1X_CLKEN_GPS, |
| /* AHB1 module clock gating */ |
| A1X_CLKEN_DRAM_VE = (0x64 << 5), |
| A1X_CLKEN_TVD, |
| A1X_CLKEN_TVE0, |
| A1X_CLKEN_TVE1, |
| A1X_CLKEN_LCD0, |
| A1X_CLKEN_LCD1, |
| RSVD_0x64_6, |
| RSVD_0x64_7, |
| A1X_CLKEN_CSI0, |
| A1X_CLKEN_CSI1, |
| RSVD_0x64_10, |
| A1X_CLKEN_HDMI, |
| A1X_CLKEN_DE_BE0, |
| A1X_CLKEN_DE_BE1, |
| A1X_CLKEN_DE_FE0, |
| A1X_CLKEN_DE_FE1, |
| RSVD_0x64_16, |
| RSVD_0x64_17, |
| A1X_CLKEN_MP, |
| RSVD_0x64_19, |
| A1X_CLKEN_MALI400, |
| /* APB0 module clock gating */ |
| A1X_CLKEN_CODEC = (0x68 << 5), |
| A1X_CLKEN_NC_APB, |
| A1X_CLKEN_AC97, |
| A1X_CLKEN_IIS, |
| RSVD_0x68_4, |
| A1X_CLKEN_PIO, |
| A1X_CLKEN_IR0, |
| A1X_CLKEN_IR1, |
| RSVD_0x68_8, |
| RSVD_0x68_9, |
| A1X_CLKEN_KEYPAD, |
| /* APB1 module clock gating */ |
| A1X_CLKEN_TWI0 = (0x6C << 5), |
| A1X_CLKEN_TWI1, |
| A1X_CLKEN_TWI2, |
| RSVD_0x6C_3, |
| A1X_CLKEN_CAN, |
| A1X_CLKEN_SCR, |
| A1X_CLKEN_PS20, |
| A1X_CLKEN_PS21, |
| RSVD_0x6C_8, |
| RSVD_0x6C_9, |
| RSVD_0x6C_10, |
| RSVD_0x6C_11, |
| RSVD_0x6C_12, |
| RSVD_0x6C_13, |
| RSVD_0x6C_14, |
| RSVD_0x6C_15, |
| A1X_CLKEN_UART0, |
| A1X_CLKEN_UART1, |
| A1X_CLKEN_UART2, |
| A1X_CLKEN_UART3, |
| A1X_CLKEN_UART4, |
| A1X_CLKEN_UART5, |
| A1X_CLKEN_UART6, |
| A1X_CLKEN_UART7, |
| }; |
| |
| struct a10_ccm { |
| u32 pll1_cfg; /* 0x00 pll1 control */ |
| u32 pll1_tun; /* 0x04 pll1 tuning */ |
| u32 pll2_cfg; /* 0x08 pll2 control */ |
| u32 pll2_tun; /* 0x0c pll2 tuning */ |
| u32 pll3_cfg; /* 0x10 pll3 control */ |
| u8 res0[0x4]; |
| u32 pll4_cfg; /* 0x18 pll4 control */ |
| u8 res1[0x4]; |
| u32 pll5_cfg; /* 0x20 pll5 control */ |
| u32 pll5_tun; /* 0x24 pll5 tuning */ |
| u32 pll6_cfg; /* 0x28 pll6 control */ |
| u32 pll6_tun; /* 0x2c pll6 tuning */ |
| u32 pll7_cfg; /* 0x30 pll7 control */ |
| u32 pll1_tun2; /* 0x34 pll5 tuning2 */ |
| u8 res2[0x4]; |
| u32 pll5_tun2; /* 0x3c pll5 tuning2 */ |
| u8 res3[0xc]; |
| u32 pll_lock_dbg; /* 0x4c pll lock time debug */ |
| u32 osc24m_cfg; /* 0x50 osc24m control */ |
| u32 cpu_ahb_apb0_cfg; /* 0x54 cpu,ahb and apb0 divide ratio */ |
| u32 apb1_clk_div_cfg; /* 0x58 apb1 clock dividor */ |
| u32 axi_gate; /* 0x5c axi module clock gating */ |
| u32 ahb_gate0; /* 0x60 ahb module clock gating 0 */ |
| u32 ahb_gate1; /* 0x64 ahb module clock gating 1 */ |
| u32 apb0_gate; /* 0x68 apb0 module clock gating */ |
| u32 apb1_gate; /* 0x6c apb1 module clock gating */ |
| u8 res4[0x10]; |
| u32 nand_sclk_cfg; /* 0x80 nand sub clock control */ |
| u32 ms_sclk_cfg; /* 0x84 memory stick sub clock control */ |
| u32 sd0_clk_cfg; /* 0x88 sd0 clock control */ |
| u32 sd1_clk_cfg; /* 0x8c sd1 clock control */ |
| u32 sd2_clk_cfg; /* 0x90 sd2 clock control */ |
| u32 sd3_clk_cfg; /* 0x94 sd3 clock control */ |
| u32 ts_clk_cfg; /* 0x98 transport stream clock control */ |
| u32 ss_clk_cfg; /* 0x9c */ |
| u32 spi0_clk_cfg; /* 0xa0 */ |
| u32 spi1_clk_cfg; /* 0xa4 */ |
| u32 spi2_clk_cfg; /* 0xa8 */ |
| u32 pata_clk_cfg; /* 0xac */ |
| u32 ir0_clk_cfg; /* 0xb0 */ |
| u32 ir1_clk_cfg; /* 0xb4 */ |
| u32 iis_clk_cfg; /* 0xb8 */ |
| u32 ac97_clk_cfg; /* 0xbc */ |
| u32 spdif_clk_cfg; /* 0xc0 */ |
| u32 keypad_clk_cfg; /* 0xc4 */ |
| u32 sata_clk_cfg; /* 0xc8 */ |
| u32 usb_clk_cfg; /* 0xcc */ |
| u32 gps_clk_cfg; /* 0xd0 */ |
| u32 spi3_clk_cfg; /* 0xd4 */ |
| u8 res5[0x28]; |
| u32 dram_clk_cfg; /* 0x100 */ |
| u32 be0_clk_cfg; /* 0x104 */ |
| u32 be1_clk_cfg; /* 0x108 */ |
| u32 fe0_clk_cfg; /* 0x10c */ |
| u32 fe1_clk_cfg; /* 0x110 */ |
| u32 mp_clk_cfg; /* 0x114 */ |
| u32 lcd0_ch0_clk_cfg; /* 0x118 */ |
| u32 lcd1_ch0_clk_cfg; /* 0x11c */ |
| u32 csi_isp_clk_cfg; /* 0x120 */ |
| u8 res6[0x4]; |
| u32 tvd_clk_reg; /* 0x128 */ |
| u32 lcd0_ch1_clk_cfg; /* 0x12c */ |
| u32 lcd1_ch1_clk_cfg; /* 0x130 */ |
| u32 csi0_clk_cfg; /* 0x134 */ |
| u32 csi1_clk_cfg; /* 0x138 */ |
| u32 ve_clk_cfg; /* 0x13c */ |
| u32 audio_codec_clk_cfg; /* 0x140 */ |
| u32 avs_clk_cfg; /* 0x144 */ |
| u32 ace_clk_cfg; /* 0x148 */ |
| u32 lvds_clk_cfg; /* 0x14c */ |
| u32 hdmi_clk_cfg; /* 0x150 */ |
| u32 mali_clk_cfg; /* 0x154 */ |
| u8 res7[0x4]; |
| u32 mbus_clk_cfg; /* 0x15c */ |
| } __attribute__ ((packed)); |
| |
| void a1x_periph_clock_enable(enum a1x_clken periph); |
| void a1x_periph_clock_disable(enum a1x_clken periph); |
| |
| void a1x_pll5_configure(u8 mul_n, u8 mul_k, u8 div_m, u8 exp_div_p); |
| void a1x_pll5_enable_dram_clock_output(void); |
| void a1x_ungate_dram_clock_output(void); |
| void a1x_gate_dram_clock_output(void); |
| |
| /* Not available in bootblock */ |
| void a1x_set_cpu_clock(u16 cpu_clk_mhz); |
| |
| #endif /* CPU_ALLWINNER_A10_CLOCK_H */ |