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https://github.com/AsahiLinux/u-boot
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3f2ef13924
Add a driver for setting up and modifying the various PLLs, peripheral clocks and mmc clocks on RK3036 Signed-off-by: Lin Huang <hl@rock-chips.com> Acked-by: Simon Glass <sjg@chromium.org>
168 lines
3.5 KiB
C
168 lines
3.5 KiB
C
/*
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* (C) Copyright 2015 Rockchip Electronics Co., Ltd
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _ASM_ARCH_CRU_RK3036_H
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#define _ASM_ARCH_CRU_RK3036_H
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#include <common.h>
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#define OSC_HZ (24 * 1000 * 1000)
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#define APLL_HZ (600 * 1000000)
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#define GPLL_HZ (594 * 1000000)
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#define CORE_PERI_HZ 150000000
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#define CORE_ACLK_HZ 300000000
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#define CPU_ACLK_HZ 150000000
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#define CPU_HCLK_HZ 300000000
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#define CPU_PCLK_HZ 300000000
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#define PERI_ACLK_HZ 148500000
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#define PERI_HCLK_HZ 148500000
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#define PERI_PCLK_HZ 74250000
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struct rk3036_cru {
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struct rk3036_pll {
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unsigned int con0;
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unsigned int con1;
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unsigned int con2;
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unsigned int con3;
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} pll[4];
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unsigned int cru_mode_con;
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unsigned int cru_clksel_con[35];
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unsigned int cru_clkgate_con[11];
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unsigned int reserved;
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unsigned int cru_glb_srst_fst_value;
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unsigned int cru_glb_srst_snd_value;
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unsigned int reserved1[2];
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unsigned int cru_softrst_con[9];
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unsigned int cru_misc_con;
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unsigned int reserved2[2];
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unsigned int cru_glb_cnt_th;
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unsigned int cru_sdmmc_con[2];
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unsigned int cru_sdio_con[2];
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unsigned int cru_emmc_con[2];
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unsigned int reserved3;
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unsigned int cru_rst_st;
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unsigned int reserved4[0x23];
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unsigned int cru_pll_mask_con;
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};
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check_member(rk3036_cru, cru_pll_mask_con, 0x01f0);
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struct pll_div {
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u32 refdiv;
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u32 fbdiv;
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u32 postdiv1;
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u32 postdiv2;
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u32 frac;
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};
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enum {
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/* PLLCON0*/
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PLL_POSTDIV1_MASK = 7,
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PLL_POSTDIV1_SHIFT = 12,
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PLL_FBDIV_MASK = 0xfff,
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PLL_FBDIV_SHIFT = 0,
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/* PLLCON1 */
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PLL_DSMPD_MASK = 1,
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PLL_DSMPD_SHIFT = 12,
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PLL_LOCK_STATUS_MASK = 1,
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PLL_LOCK_STATUS_SHIFT = 10,
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PLL_POSTDIV2_MASK = 7,
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PLL_POSTDIV2_SHIFT = 6,
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PLL_REFDIV_MASK = 0x3f,
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PLL_REFDIV_SHIFT = 0,
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PLL_RST_SHIFT = 14,
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/* CRU_MODE */
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GPLL_MODE_MASK = 3,
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GPLL_MODE_SHIFT = 12,
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GPLL_MODE_SLOW = 0,
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GPLL_MODE_NORM,
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GPLL_MODE_DEEP,
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DPLL_MODE_MASK = 1,
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DPLL_MODE_SHIFT = 4,
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DPLL_MODE_SLOW = 0,
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DPLL_MODE_NORM,
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APLL_MODE_MASK = 1,
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APLL_MODE_SHIFT = 0,
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APLL_MODE_SLOW = 0,
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APLL_MODE_NORM,
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/* CRU_CLK_SEL0_CON */
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CPU_CLK_PLL_SEL_MASK = 3,
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CPU_CLK_PLL_SEL_SHIFT = 14,
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CPU_CLK_PLL_SEL_APLL = 0,
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CPU_CLK_PLL_SEL_DPLL,
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CPU_CLK_PLL_SEL_GPLL,
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ACLK_CPU_DIV_MASK = 0x1f,
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ACLK_CPU_DIV_SHIFT = 8,
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CORE_CLK_PLL_SEL_MASK = 1,
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CORE_CLK_PLL_SEL_SHIFT = 7,
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CORE_CLK_PLL_SEL_APLL = 0,
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CORE_CLK_PLL_SEL_GPLL,
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CORE_DIV_CON_MASK = 0x1f,
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CORE_DIV_CON_SHIFT = 0,
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/* CRU_CLK_SEL1_CON */
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CPU_PCLK_DIV_MASK = 7,
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CPU_PCLK_DIV_SHIFT = 12,
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CPU_HCLK_DIV_MASK = 3,
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CPU_HCLK_DIV_SHIFT = 8,
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CORE_ACLK_DIV_MASK = 7,
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CORE_ACLK_DIV_SHIFT = 4,
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CORE_PERI_DIV_MASK = 0xf,
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CORE_PERI_DIV_SHIFT = 0,
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/* CRU_CLKSEL10_CON */
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PERI_PLL_SEL_MASK = 3,
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PERI_PLL_SEL_SHIFT = 14,
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PERI_PLL_APLL = 0,
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PERI_PLL_DPLL,
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PERI_PLL_GPLL,
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PERI_PCLK_DIV_MASK = 3,
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PERI_PCLK_DIV_SHIFT = 12,
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PERI_HCLK_DIV_MASK = 3,
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PERI_HCLK_DIV_SHIFT = 8,
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PERI_ACLK_DIV_MASK = 0x1f,
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PERI_ACLK_DIV_SHIFT = 0,
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/* CRU_CLKSEL11_CON */
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SDIO_DIV_MASK = 0x7f,
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SDIO_DIV_SHIFT = 8,
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MMC0_DIV_MASK = 0x7f,
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MMC0_DIV_SHIFT = 0,
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/* CRU_CLKSEL12_CON */
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EMMC_PLL_MASK = 3,
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EMMC_PLL_SHIFT = 12,
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EMMC_SEL_APLL = 0,
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EMMC_SEL_DPLL,
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EMMC_SEL_GPLL,
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EMMC_SEL_24M,
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SDIO_PLL_MASK = 3,
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SDIO_PLL_SHIFT = 10,
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SDIO_SEL_APLL = 0,
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SDIO_SEL_DPLL,
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SDIO_SEL_GPLL,
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SDIO_SEL_24M,
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MMC0_PLL_MASK = 3,
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MMC0_PLL_SHIFT = 8,
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MMC0_SEL_APLL = 0,
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MMC0_SEL_DPLL,
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MMC0_SEL_GPLL,
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MMC0_SEL_24M,
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EMMC_DIV_MASK = 0x7f,
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EMMC_DIV_SHIFT = 0,
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/* CRU_SOFTRST5_CON */
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DDRCTRL_PSRST_SHIFT = 11,
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DDRCTRL_SRST_SHIFT = 10,
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DDRPHY_PSRST_SHIFT = 9,
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DDRPHY_SRST_SHIFT = 8,
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};
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#endif
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