diff options
Diffstat (limited to 'drivers/clk/s32/s32v234/mc_me.h')
| -rw-r--r-- | drivers/clk/s32/s32v234/mc_me.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/clk/s32/s32v234/mc_me.h b/drivers/clk/s32/s32v234/mc_me.h new file mode 100644 index 000000000000..718f1d1a0c30 --- /dev/null +++ b/drivers/clk/s32/s32v234/mc_me.h @@ -0,0 +1,110 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * Copyright (C) 2017 NXP + */ + +#ifndef _MC_ME_H +#define _MC_ME_H + +/* MC_ME registers definitions */ +/* MC_ME_GS */ + #define MC_ME_GS(mc_me) ((mc_me) + 0x00000000) + +/* MC_ME_MCTL */ +#define MC_ME_MCTL(mc_me) ((mc_me) + 0x00000004) +#define MC_ME_MCTL_RESET (0x0 << 28) +#define MC_ME_MCTL_TEST (0x1 << 28) +#define MC_ME_MCTL_DRUN (0x3 << 28) +#define MC_ME_MCTL_RUN0 (0x4 << 28) +#define MC_ME_MCTL_RUN1 (0x5 << 28) +#define MC_ME_MCTL_RUN2 (0x6 << 28) +#define MC_ME_MCTL_RUN3 (0x7 << 28) + +#define MC_ME_GS_S_MTRANS (1 << 27) + +#define MC_ME_MCTL_KEY (0x00005AF0) +#define MC_ME_MCTL_INVERTEDKEY (0x0000A50F) + +/* + * MC_ME_RESET_MC/MC_ME_TEST_MC + * MC_ME_DRUN_MC + * MC_ME_RUNn_MC + */ +#define MC_ME_RESET_MC(mc_me) ((mc_me) + 0x00000020) +#define MC_ME_TEST_MC(mc_me) ((mc_me) + 0x00000024) +#define MC_ME_DRUN_MC(mc_me) ((mc_me) + 0x0000002C) +#define MC_ME_RUNn_MC(mc_me, n) ((mc_me) + 0x00000030 + 0x4 * (n)) +#define MC_ME_MODE_MC_SYSCLK_OFFSET (0) +#define MC_ME_MODE_MC_SYSCLK_SIZE (0x3) +#define MC_ME_MODE_MC_SYSCLK(val) (MC_ME_MODE_MC_SYSCLK_MASK & (val)) +#define MC_ME_MODE_MC_SYSCLK_MASK (0x0000000F) +#define MC_ME_MODE_MC_FIRCON (1 << 4) +#define MC_ME_MODE_MC_XOSCON (1 << 5) +#define MC_ME_MODE_MC_ARMPLL (1 << 6) +#define MC_ME_MODE_MC_PERIPHPLL (1 << 7) +#define MC_ME_MODE_MC_ENETPLL (1 << 8) +#define MC_ME_MODE_MC_DDRPLL (1 << 9) +#define MC_ME_MODE_MC_VIDEOPLL (1 << 10) +#define MC_ME_MODE_MC_MVRON (1 << 20) + +/* MC_ME_DRUN_SEC_CC_I */ +#define MC_ME_DRUN_SEC_CC_I(mc_me) ((mc_me) + 0x260) +/* MC_ME_RUNn_SEC_CC_I */ +#define MC_ME_RUNn_SEC_CC_I(mc_me, n) ((mc_me) + 0x270 + (n) * 0x10) +#define MC_ME_MODE_SEC_CC_I_SYSCLK1_OFFSET (4) +#define MC_ME_MODE_SEC_CC_I_SYSCLK2_OFFSET (8) +#define MC_ME_MODE_SEC_CC_I_SYSCLK3_OFFSET (12) +/* Consider only the defined clocks */ +#define MC_ME_MODE_SEC_CC_I_SYSCLK1_SIZE (0x3) +#define MC_ME_MODE_SEC_CC_I_SYSCLK2_SIZE (0x3) +#define MC_ME_MODE_SEC_CC_I_SYSCLK3_SIZE (0x3) + +/* MC_ME_RUN_PCn */ +#define MC_ME_RUN_PCn(mc_me, n) (mc_me + 0x00000080 + 0x4 * (n)) + +#define MC_ME_RUN_PCn_MAX_IDX (7) +#define MC_ME_RUN_PCn_RESET (1 << 0) +#define MC_ME_RUN_PCn_TEST (1 << 1) +#define MC_ME_RUN_PCn_DRUN (1 << 3) +#define MC_ME_RUN_PCn_RUN0 (1 << 4) +#define MC_ME_RUN_PCn_RUN1 (1 << 5) +#define MC_ME_RUN_PCn_RUN2 (1 << 6) +#define MC_ME_RUN_PCn_RUN3 (1 << 7) + +#define MC_ME_PCTLn(mc_me, n) (mc_me + 0xC0 + 4 * (n >> 2) + \ + (3 - (n) % 4)) + +static inline void entry_to_target_mode(void __iomem *mc_me, u32 mode) +{ + writel_relaxed(mode | MC_ME_MCTL_KEY, MC_ME_MCTL(mc_me)); + writel_relaxed(mode | MC_ME_MCTL_INVERTEDKEY, MC_ME_MCTL(mc_me)); + while ((readl_relaxed(MC_ME_GS(mc_me)) & + MC_ME_GS_S_MTRANS) != 0x00000000) + ; +} + +static inline void enable_cpumodes_onperipheralconfig(void __iomem *mc_me, + u32 modes, u32 run_pc_idx) +{ + WARN_ON(run_pc_idx > MC_ME_RUN_PCn_MAX_IDX); + if (run_pc_idx > MC_ME_RUN_PCn_MAX_IDX) + return; + + writel_relaxed(modes, MC_ME_RUN_PCn(mc_me, run_pc_idx)); +} + +static inline void enable_clocks_sources(u32 flags, u32 clks, + void __iomem *xrun_mc_addr) +{ + writel_relaxed(readl_relaxed(xrun_mc_addr) | flags | clks, + xrun_mc_addr); +} + +static inline void enable_sysclock(u32 clk, void __iomem *xrun_mc_addr) +{ + writel_relaxed(readl_relaxed(xrun_mc_addr) & clk, + xrun_mc_addr); +} + +#endif |