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-rw-r--r--src/soc/mediatek/common/include/soc/pll_common.h73
-rw-r--r--src/soc/mediatek/common/pll.c88
-rw-r--r--src/soc/mediatek/mt8173/Makefile.inc6
-rw-r--r--src/soc/mediatek/mt8173/dramc_pi_basic_api.c4
-rw-r--r--src/soc/mediatek/mt8173/include/soc/pll.h32
-rw-r--r--src/soc/mediatek/mt8173/pll.c380
6 files changed, 339 insertions, 244 deletions
diff --git a/src/soc/mediatek/common/include/soc/pll_common.h b/src/soc/mediatek/common/include/soc/pll_common.h
new file mode 100644
index 0000000000..480371b67c
--- /dev/null
+++ b/src/soc/mediatek/common/include/soc/pll_common.h
@@ -0,0 +1,73 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 MediaTek Inc.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.
+ */
+
+#ifndef SOC_MEDIATEK_PLL_COMMON_H
+#define SOC_MEDIATEK_PLL_COMMON_H
+
+#include <soc/addressmap.h>
+#include <types.h>
+
+/* These need to be macros for use in static initializers. */
+#define mtk_topckgen ((struct mtk_topckgen_regs *)CKSYS_BASE)
+#define mtk_apmixed ((struct mtk_apmixed_regs *)APMIXED_BASE)
+
+#define PLL_PWR_ON (1 << 0)
+#define PLL_EN (1 << 0)
+#define PLL_ISO (1 << 1)
+#define PLL_RSTB_SHIFT (24)
+#define NO_RSTB_SHIFT (255)
+#define PLL_PCW_CHG (1 << 31)
+#define PLL_POSTDIV_MASK 0x7
+
+struct mux {
+ void *reg;
+ void *upd_reg;
+ u8 mux_shift;
+ u8 mux_width;
+ u8 upd_shift;
+};
+
+struct pll {
+ void *reg;
+ void *pwr_reg;
+ void *div_reg;
+ void *pcw_reg;
+ const u32 *div_rate;
+ u8 rstb_shift;
+ u8 pcwbits;
+ u8 div_shift;
+ u8 pcw_shift;
+};
+
+#define PLL(_id, _reg, _pwr_reg, _rstb, _pcwbits, _div_reg, _div_shift, \
+ _pcw_reg, _pcw_shift, _div_rate) \
+ [_id] = { \
+ .reg = &mtk_apmixed->_reg, \
+ .pwr_reg = &mtk_apmixed->_pwr_reg, \
+ .rstb_shift = _rstb, \
+ .pcwbits = _pcwbits, \
+ .div_reg = &mtk_apmixed->_div_reg, \
+ .div_shift = _div_shift, \
+ .pcw_reg = &mtk_apmixed->_pcw_reg, \
+ .pcw_shift = _pcw_shift, \
+ .div_rate = _div_rate, \
+ }
+
+void pll_set_pcw_change(const struct pll *pll);
+void mux_set_sel(const struct mux *mux, u32 sel);
+int pll_set_rate(const struct pll *pll, u32 rate);
+void mt_pll_init(void);
+
+#endif
diff --git a/src/soc/mediatek/common/pll.c b/src/soc/mediatek/common/pll.c
new file mode 100644
index 0000000000..e087be38a2
--- /dev/null
+++ b/src/soc/mediatek/common/pll.c
@@ -0,0 +1,88 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 MediaTek Inc.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.
+ */
+
+#include <arch/io.h>
+#include <assert.h>
+#include <soc/pll.h>
+
+#define GENMASK(h, l) (BIT(h + 1) - BIT(l))
+
+void mux_set_sel(const struct mux *mux, u32 sel)
+{
+ u32 mask = GENMASK(mux->mux_width - 1, 0);
+ u32 val = read32(mux->reg);
+
+ val &= ~(mask << mux->mux_shift);
+ val |= (sel & mask) << mux->mux_shift;
+ write32(mux->reg, val);
+ if (mux->upd_reg)
+ write32(mux->upd_reg, 1 << mux->upd_shift);
+}
+
+static void pll_calc_values(const struct pll *pll, u32 *pcw, u32 *postdiv,
+ u32 freq)
+{
+ const u32 fin_hz = CLK26M_HZ;
+ const u32 *div_rate = pll->div_rate;
+ u32 val;
+
+ assert(freq <= div_rate[0]);
+ assert(freq >= 1 * GHz / 16);
+
+ for (val = 1; div_rate[val] != 0; val++) {
+ if (freq > div_rate[val])
+ break;
+ }
+ val--;
+ *postdiv = val;
+
+ /* _pcw = freq * 2^postdiv / fin * 2^pcwbits_fractional */
+ val += pll->pcwbits - PCW_INTEGER_BITS;
+
+ *pcw = ((u64)freq << val) / fin_hz;
+}
+
+static void pll_set_rate_regs(const struct pll *pll, u32 pcw, u32 postdiv)
+{
+ u32 val;
+
+ /* set postdiv */
+ val = read32(pll->div_reg);
+ val &= ~(PLL_POSTDIV_MASK << pll->div_shift);
+ val |= postdiv << pll->div_shift;
+
+ /* set postdiv and pcw at the same time if on the same register */
+ if (pll->div_reg != pll->pcw_reg) {
+ write32(pll->div_reg, val);
+ val = read32(pll->pcw_reg);
+ }
+
+ /* set pcw */
+ val &= ~GENMASK(pll->pcw_shift + pll->pcwbits - 1, pll->pcw_shift);
+ val |= pcw << pll->pcw_shift;
+ write32(pll->pcw_reg, val);
+
+ pll_set_pcw_change(pll);
+}
+
+int pll_set_rate(const struct pll *pll, u32 rate)
+{
+ u32 pcw, postdiv;
+
+ pll_calc_values(pll, &pcw, &postdiv, rate);
+ pll_set_rate_regs(pll, pcw, postdiv);
+
+ return 0;
+}
diff --git a/src/soc/mediatek/mt8173/Makefile.inc b/src/soc/mediatek/mt8173/Makefile.inc
index d66183250e..003feabece 100644
--- a/src/soc/mediatek/mt8173/Makefile.inc
+++ b/src/soc/mediatek/mt8173/Makefile.inc
@@ -18,7 +18,7 @@ ifeq ($(CONFIG_SOC_MEDIATEK_MT8173),y)
bootblock-y += bootblock.c
bootblock-$(CONFIG_SPI_FLASH) += flash_controller.c
bootblock-y += i2c.c
-bootblock-y += pll.c
+bootblock-y += ../common/pll.c pll.c
bootblock-y += spi.c
bootblock-y += ../common/timer.c
bootblock-y += timer.c
@@ -47,7 +47,7 @@ verstage-y += gpio.c
################################################################################
romstage-$(CONFIG_SPI_FLASH) += flash_controller.c
-romstage-y += pll.c
+romstage-y += ../common/pll.c pll.c
romstage-y += ../common/timer.c
romstage-y += timer.c
@@ -75,7 +75,7 @@ ramstage-y += mt6311.c
ramstage-y += da9212.c
ramstage-y += gpio.c
ramstage-y += ../common/wdt.c
-ramstage-y += pll.c
+ramstage-y += ../common/pll.c pll.c
ramstage-y += rtc.c
ramstage-y += usb.c
diff --git a/src/soc/mediatek/mt8173/dramc_pi_basic_api.c b/src/soc/mediatek/mt8173/dramc_pi_basic_api.c
index cb6cc2c2e3..4babd542f6 100644
--- a/src/soc/mediatek/mt8173/dramc_pi_basic_api.c
+++ b/src/soc/mediatek/mt8173/dramc_pi_basic_api.c
@@ -738,7 +738,7 @@ void transfer_to_spm_control(void)
u32 msk;
msk = BIT(7) | BIT(11) | BIT(15);
- clrbits_le32(&mt8173_apmixed->ap_pll_con3, msk);
+ clrbits_le32(&mtk_apmixed->ap_pll_con3, msk);
msk = BIT(0) | BIT(4) | BIT(8);
clrbits_le32(&ch[CHANNEL_A].ddrphy_regs->peri[3], msk);
@@ -756,7 +756,7 @@ void transfer_to_reg_control(void)
u32 val;
val = BIT(7) | BIT(11) | BIT(15);
- setbits_le32(&mt8173_apmixed->ap_pll_con3, val);
+ setbits_le32(&mtk_apmixed->ap_pll_con3, val);
val = BIT(0) | BIT(4) | BIT(8);
setbits_le32(&ch[CHANNEL_A].ddrphy_regs->peri[3], val);
diff --git a/src/soc/mediatek/mt8173/include/soc/pll.h b/src/soc/mediatek/mt8173/include/soc/pll.h
index 9b3cca33e7..4106d2a924 100644
--- a/src/soc/mediatek/mt8173/include/soc/pll.h
+++ b/src/soc/mediatek/mt8173/include/soc/pll.h
@@ -17,9 +17,9 @@
#define SOC_MEDIATEK_MT8173_PLL_H
#include <soc/emi.h>
-#include <soc/addressmap.h>
+#include <soc/pll_common.h>
-struct mt8173_topckgen_regs {
+struct mtk_topckgen_regs {
u32 clk_mode;
u32 dcm_cfg;
u32 reserved1[6];
@@ -97,12 +97,12 @@ struct mt8173_topckgen_regs {
u32 mbist_cfg_3; /* 0x314 */
};
-check_member(mt8173_topckgen_regs, clk_cfg_0, 0x40);
-check_member(mt8173_topckgen_regs, clk_cfg_8, 0x100);
-check_member(mt8173_topckgen_regs, clk_scp_cfg_0, 0x200);
-check_member(mt8173_topckgen_regs, mbist_cfg_3, 0x314);
+check_member(mtk_topckgen_regs, clk_cfg_0, 0x40);
+check_member(mtk_topckgen_regs, clk_cfg_8, 0x100);
+check_member(mtk_topckgen_regs, clk_scp_cfg_0, 0x200);
+check_member(mtk_topckgen_regs, mbist_cfg_3, 0x314);
-struct mt8173_apmixed_regs {
+struct mtk_apmixed_regs {
u32 ap_pll_con0;
u32 reserved1[1];
u32 ap_pll_con2; /* 0x008 */
@@ -187,12 +187,19 @@ struct mt8173_apmixed_regs {
u32 msdcpll2_pwr_con0; /* 0x2fc */
};
-check_member(mt8173_apmixed_regs, ap_pll_con2, 0x8);
-check_member(mt8173_apmixed_regs, armca15pll_con0, 0x200);
-check_member(mt8173_apmixed_regs, msdcpll2_pwr_con0, 0x2fc);
+check_member(mtk_apmixed_regs, ap_pll_con2, 0x8);
+check_member(mtk_apmixed_regs, armca15pll_con0, 0x200);
+check_member(mtk_apmixed_regs, msdcpll2_pwr_con0, 0x2fc);
-static struct mt8173_topckgen_regs *const mt8173_topckgen = (void *)CKSYS_BASE;
-static struct mt8173_apmixed_regs *const mt8173_apmixed = (void *)APMIXED_BASE;
+enum {
+ PLL_PWR_ON_DELAY = 5,
+ PLL_ISO_DELAY = 0,
+ PLL_EN_DELAY = 40,
+};
+
+enum {
+ PCW_INTEGER_BITS = 7,
+};
/* PLL rate */
enum {
@@ -283,7 +290,6 @@ enum {
};
void mt_pll_post_init(void);
-void mt_pll_init(void);
void mt_pll_set_aud_div(u32 rate);
void mt_pll_enable_ssusb_clk(void);
void mt_pll_raise_ca53_freq(u32 freq);
diff --git a/src/soc/mediatek/mt8173/pll.c b/src/soc/mediatek/mt8173/pll.c
index d95f769c9f..dd0302f5ce 100644
--- a/src/soc/mediatek/mt8173/pll.c
+++ b/src/soc/mediatek/mt8173/pll.c
@@ -15,7 +15,6 @@
#include <arch/io.h>
#include <assert.h>
-#include <console/console.h>
#include <delay.h>
#include <stddef.h>
@@ -23,8 +22,6 @@
#include <soc/infracfg.h>
#include <soc/pll.h>
-#define GENMASK(h, l) (((1U << ((h) - (l) + 1)) - 1) << (l))
-
enum mux_id {
TOP_AXI_SEL,
TOP_MEM_SEL,
@@ -68,20 +65,13 @@ enum mux_id {
TOP_NR_MUX
};
-#define TOPCKGEN_REG(x) (CKSYS_BASE + offsetof(struct mt8173_topckgen_regs, x))
-#define APMIXED_REG(x) (APMIXED_BASE + offsetof(struct mt8173_apmixed_regs, x))
-
-struct mux {
- void *reg;
- u8 mux_shift;
- u8 mux_width;
-};
-
#define MUX(_id, _reg, _mux_shift, _mux_width) \
[_id] = { \
- .reg = (void *)TOPCKGEN_REG(_reg), \
+ .reg = &mtk_topckgen->_reg, \
.mux_shift = _mux_shift, \
.mux_width = _mux_width, \
+ .upd_reg = NULL, \
+ .upd_shift = 0, \
}
static const struct mux muxes[] = {
@@ -136,23 +126,62 @@ static const struct mux muxes[] = {
MUX(TOP_RTC_SEL, clk_cfg_13, 24, 2),
};
-static void mux_set_sel(const struct mux *mux, u32 sel)
-{
- u32 mask = GENMASK(mux->mux_width - 1, 0);
- u32 val = read32(mux->reg);
-
- val &= ~(mask << mux->mux_shift);
- val |= (sel & mask) << mux->mux_shift;
- write32(mux->reg, val);
-}
+struct mux_sel {
+ enum mux_id id;
+ u32 sel;
+};
-#define PLL_PWR_ON (1 << 0)
-#define PLL_EN (1 << 0)
-#define PLL_ISO (1 << 1)
-#define PLL_RSTB (1 << 24)
-#define PLL_PCW_CHG (1 << 31)
-#define PLL_POSTDIV_MASK 0x7
-#define PCW_INTEGER_BITS 7
+static const struct mux_sel mux_sels[] = {
+ /* CLK_CFG_0 */
+ { .id = TOP_AXI_SEL, .sel = 5 }, /* 5: univpll2_d2 */
+ { .id = TOP_MEM_SEL, .sel = 0 }, /* 0: clk26m */
+ { .id = TOP_DDRPHYCFG_SEL, .sel = 0 }, /* 0: clk26m */
+ { .id = TOP_MM_SEL, .sel = 1 }, /* 1: vencpll_d2 */
+ /* CLK_CFG_1 */
+ { .id = TOP_PWM_SEL, .sel = 0 }, /* 0: clk26m */
+ { .id = TOP_VDEC_SEL, .sel = 1 }, /* 1: vcodecpll_ck */
+ { .id = TOP_VENC_SEL, .sel = 1 }, /* 1: vcodecpll_ck */
+ { .id = TOP_MFG_SEL, .sel = 1 }, /* 1: mmpll_ck */
+ /* CLK_CFG_2 */
+ { .id = TOP_CAMTG_SEL, .sel = 0 }, /* 0: clk26m */
+ { .id = TOP_UART_SEL, .sel = 0 }, /* 0: clk26m */
+ { .id = TOP_SPI_SEL, .sel = 1 }, /* 1: syspll3_d2 */
+ { .id = TOP_USB20_SEL, .sel = 1 }, /* 1: univpll1_d8 */
+ /* CLK_CFG_4 */
+ { .id = TOP_MSDC30_2_SEL, .sel = 2 }, /* 2: msdcpll_d4 */
+ { .id = TOP_MSDC30_3_SEL, .sel = 5 }, /* 5: msdcpll_d4 */
+ { .id = TOP_AUDIO_SEL, .sel = 0 }, /* 0: clk26m */
+ { .id = TOP_AUD_INTBUS_SEL, .sel = 1 }, /* 1: syspll1_d4 */
+ /* CLK_CFG_5 */
+ { .id = TOP_PMICSPI_SEL, .sel = 0 }, /* 0: clk26m */
+ { .id = TOP_SCP_SEL, .sel = 1 }, /* 1: syspll1_d2 */
+ { .id = TOP_ATB_SEL, .sel = 0 }, /* 0: clk26m */
+ { .id = TOP_VENC_LT_SEL, .sel = 6 }, /* 6: univpll1_d2 */
+ /* CLK_CFG_6 */
+ { .id = TOP_DPI0_SEL, .sel = 1 }, /* 1: tvdpll_d2 */
+ { .id = TOP_IRDA_SEL, .sel = 1 }, /* 1: univpll2_d4 */
+ { .id = TOP_CCI400_SEL, .sel = 5 }, /* 5: syspll_d2 */
+ { .id = TOP_AUD_1_SEL, .sel = 1 }, /* 1: apll1_ck */
+ /* CLK_CFG_7 */
+ { .id = TOP_AUD_2_SEL, .sel = 1 }, /* 1: apll2_ck */
+ { .id = TOP_MEM_MFG_IN_SEL, .sel = 1 }, /* 1: mmpll_ck */
+ { .id = TOP_AXI_MFG_IN_SEL, .sel = 1 }, /* 1: hd_faxi_ck */
+ { .id = TOP_SCAM_SEL, .sel = 1 }, /* 1: syspll3_d2 */
+ /* CLK_CFG_12 */
+ { .id = TOP_SPINFI_IFR_SEL, .sel = 0 }, /* 0: clk26m */
+ { .id = TOP_HDMI_SEL, .sel = 1 }, /* 1: AD_HDMITX_CLK */
+ { .id = TOP_DPILVDS_SEL, .sel = 1 }, /* 1: AD_LVDSPLL_CK */
+ /* CLK_CFG_13 */
+ { .id = TOP_MSDC50_2_H_SEL, .sel = 2 }, /* 2: syspll2_d2 */
+ { .id = TOP_HDCP_SEL, .sel = 2 }, /* 2: syspll3_d4 */
+ { .id = TOP_HDCP_24M_SEL, .sel = 2 }, /* 2: univpll_d52 */
+ { .id = TOP_RTC_SEL, .sel = 1 }, /* 1: clkrtc_ext */
+ /* CLK_CFG_3 */
+ { .id = TOP_USB30_SEL, .sel = 1 }, /* 1: univpll3_d2 */
+ { .id = TOP_MSDC50_0_H_SEL, .sel = 2 }, /* 2: syspll2_d2 */
+ { .id = TOP_MSDC50_0_SEL, .sel = 6 }, /* 6: msdcpll_d4 */
+ { .id = TOP_MSDC30_1_SEL, .sel = 2 }, /* 2: msdcpll_d4 */
+};
enum pll_id {
APMIXED_ARMCA15PLL,
@@ -199,117 +228,76 @@ const u32 mmpll_div_rate[] = {
0,
};
-struct pll {
- void *reg;
- void *pwr_reg;
- u32 rstb;
- u8 pcwbits;
- void *div_reg;
- u8 div_shift;
- void *pcw_reg;
- u8 pcw_shift;
- const u32 *div_rate;
-};
-
-#define PLL(_id, _reg, _pwr_reg, _rstb, _pcwbits, _div_reg, _div_shift, \
- _pcw_reg, _pcw_shift, _div_rate) \
- [_id] = { \
- .reg = (void *)APMIXED_REG(_reg), \
- .pwr_reg = (void *)APMIXED_REG(_pwr_reg), \
- .rstb = _rstb, \
- .pcwbits = _pcwbits, \
- .div_reg = (void *)APMIXED_REG(_div_reg), \
- .div_shift = _div_shift, \
- .pcw_reg = (void *)APMIXED_REG(_pcw_reg), \
- .pcw_shift = _pcw_shift, \
- .div_rate = _div_rate, \
- }
-
static const struct pll plls[] = {
- PLL(APMIXED_ARMCA15PLL, armca15pll_con0, armca15pll_pwr_con0, 0, 21,
- armca15pll_con1, 24, armca15pll_con1, 0, pll_div_rate),
- PLL(APMIXED_ARMCA7PLL, armca7pll_con0, armca7pll_pwr_con0, PLL_RSTB, 21,
- armca7pll_con1, 24, armca7pll_con1, 0, pll_div_rate),
- PLL(APMIXED_MAINPLL, mainpll_con0, mainpll_pwr_con0, PLL_RSTB, 21,
- mainpll_con0, 4, mainpll_con1, 0, pll_div_rate),
- PLL(APMIXED_UNIVPLL, univpll_con0, univpll_pwr_con0, PLL_RSTB, 7,
- univpll_con0, 4, univpll_con1, 14, univpll_div_rate),
- PLL(APMIXED_MMPLL, mmpll_con0, mmpll_pwr_con0, 0, 21,
- mmpll_con1, 24, mmpll_con1, 0, mmpll_div_rate),
- PLL(APMIXED_MSDCPLL, msdcpll_con0, msdcpll_pwr_con0, 0, 21,
- msdcpll_con0, 4, msdcpll_con1, 0, pll_div_rate),
- PLL(APMIXED_VENCPLL, vencpll_con0, vencpll_pwr_con0, 0, 21,
- vencpll_con0, 4, vencpll_con1, 0, pll_div_rate),
- PLL(APMIXED_TVDPLL, tvdpll_con0, tvdpll_pwr_con0, 0, 21,
- tvdpll_con0, 4, tvdpll_con1, 0, pll_div_rate),
- PLL(APMIXED_MPLL, mpll_con0, mpll_pwr_con0, 0, 21,
- mpll_con0, 4, mpll_con1, 0, pll_div_rate),
- PLL(APMIXED_VCODECPLL, vcodecpll_con0, vcodecpll_pwr_con0, 0, 21,
- vcodecpll_con0, 4, vcodecpll_con1, 0, pll_div_rate),
- PLL(APMIXED_APLL1, apll1_con0, apll1_pwr_con0, 0, 31,
- apll1_con0, 4, apll1_con1, 0, pll_div_rate),
- PLL(APMIXED_APLL2, apll2_con0, apll2_pwr_con0, 0, 31,
- apll2_con0, 4, apll2_con1, 0, pll_div_rate),
- PLL(APMIXED_LVDSPLL, lvdspll_con0, lvdspll_pwr_con0, 0, 21,
- lvdspll_con0, 4, lvdspll_con1, 0, pll_div_rate),
- PLL(APMIXED_MSDCPLL2, msdcpll2_con0, msdcpll2_pwr_con0, 0, 21,
- msdcpll2_con0, 4, msdcpll2_con1, 0, pll_div_rate),
+ PLL(APMIXED_ARMCA15PLL, armca15pll_con0, armca15pll_pwr_con0,
+ NO_RSTB_SHIFT, 21, armca15pll_con1, 24, armca15pll_con1, 0,
+ pll_div_rate),
+ PLL(APMIXED_ARMCA7PLL, armca7pll_con0, armca7pll_pwr_con0,
+ PLL_RSTB_SHIFT, 21, armca7pll_con1, 24, armca7pll_con1, 0,
+ pll_div_rate),
+ PLL(APMIXED_MAINPLL, mainpll_con0, mainpll_pwr_con0,
+ PLL_RSTB_SHIFT, 21, mainpll_con0, 4, mainpll_con1, 0,
+ pll_div_rate),
+ PLL(APMIXED_UNIVPLL, univpll_con0, univpll_pwr_con0,
+ PLL_RSTB_SHIFT, 7, univpll_con0, 4, univpll_con1, 14,
+ univpll_div_rate),
+ PLL(APMIXED_MMPLL, mmpll_con0, mmpll_pwr_con0,
+ NO_RSTB_SHIFT, 21, mmpll_con1, 24, mmpll_con1, 0,
+ mmpll_div_rate),
+ PLL(APMIXED_MSDCPLL, msdcpll_con0, msdcpll_pwr_con0,
+ NO_RSTB_SHIFT, 21, msdcpll_con0, 4, msdcpll_con1, 0,
+ pll_div_rate),
+ PLL(APMIXED_VENCPLL, vencpll_con0, vencpll_pwr_con0,
+ NO_RSTB_SHIFT, 21, vencpll_con0, 4, vencpll_con1, 0,
+ pll_div_rate),
+ PLL(APMIXED_TVDPLL, tvdpll_con0, tvdpll_pwr_con0,
+ NO_RSTB_SHIFT, 21, tvdpll_con0, 4, tvdpll_con1, 0,
+ pll_div_rate),
+ PLL(APMIXED_MPLL, mpll_con0, mpll_pwr_con0,
+ NO_RSTB_SHIFT, 21, mpll_con0, 4, mpll_con1, 0,
+ pll_div_rate),
+ PLL(APMIXED_VCODECPLL, vcodecpll_con0, vcodecpll_pwr_con0,
+ NO_RSTB_SHIFT, 21, vcodecpll_con0, 4, vcodecpll_con1, 0,
+ pll_div_rate),
+ PLL(APMIXED_APLL1, apll1_con0, apll1_pwr_con0,
+ NO_RSTB_SHIFT, 31, apll1_con0, 4, apll1_con1, 0,
+ pll_div_rate),
+ PLL(APMIXED_APLL2, apll2_con0, apll2_pwr_con0,
+ NO_RSTB_SHIFT, 31, apll2_con0, 4, apll2_con1, 0,
+ pll_div_rate),
+ PLL(APMIXED_LVDSPLL, lvdspll_con0, lvdspll_pwr_con0,
+ NO_RSTB_SHIFT, 21, lvdspll_con0, 4, lvdspll_con1, 0,
+ pll_div_rate),
+ PLL(APMIXED_MSDCPLL2, msdcpll2_con0, msdcpll2_pwr_con0,
+ NO_RSTB_SHIFT, 21, msdcpll2_con0, 4, msdcpll2_con1, 0,
+ pll_div_rate),
};
-static void pll_set_rate_regs(const struct pll *pll, u32 pcw, u32 postdiv)
-{
- u32 val;
-
- /* set postdiv */
- val = read32(pll->div_reg);
- val &= ~(PLL_POSTDIV_MASK << pll->div_shift);
- val |= postdiv << pll->div_shift;
-
- /* postdiv and pcw need to set at the same time if on same register */
- if (pll->div_reg != pll->pcw_reg) {
- write32(pll->div_reg, val);
- val = read32(pll->pcw_reg);
- }
-
- /* set pcw */
- val &= ~GENMASK(pll->pcw_shift + pll->pcwbits - 1, pll->pcw_shift);
- val |= pcw << pll->pcw_shift;
- val |= PLL_PCW_CHG;
- write32(pll->pcw_reg, val);
-}
-
-static void pll_calc_values(const struct pll *pll, u32 *pcw, u32 *postdiv,
- u32 freq)
-{
- const u32 fin_hz = CLK26M_HZ;
- const u32 *div_rate = pll->div_rate;
- u32 val;
-
- assert(freq <= div_rate[0]);
- assert(freq >= 1 * GHz / 16);
-
- for (val = 1; div_rate[val] != 0; val++) {
- if (freq > div_rate[val])
- break;
- }
- val--;
- *postdiv = val;
-
- /* _pcw = freq * 2^postdiv / fin * 2^pcwbits_fractional */
- val += pll->pcwbits - PCW_INTEGER_BITS;
+struct rate {
+ enum pll_id id;
+ u32 rate;
+};
- *pcw = ((u64)freq << val) / fin_hz;
-}
+static const struct rate rates[] = {
+ { .id = APMIXED_ARMCA15PLL, .rate = ARMCA15PLL_HZ },
+ { .id = APMIXED_ARMCA7PLL, .rate = ARMCA7PLL_HZ },
+ { .id = APMIXED_MAINPLL, .rate = MAINPLL_HZ },
+ { .id = APMIXED_UNIVPLL, .rate = UNIVPLL_HZ },
+ { .id = APMIXED_MMPLL, .rate = MMPLL_HZ },
+ { .id = APMIXED_MSDCPLL, .rate = MSDCPLL_HZ },
+ { .id = APMIXED_VENCPLL, .rate = VENCPLL_HZ },
+ { .id = APMIXED_TVDPLL, .rate = TVDPLL_HZ },
+ { .id = APMIXED_MPLL, .rate = MPLL_HZ },
+ { .id = APMIXED_VCODECPLL, .rate = VCODECPLL_HZ },
+ { .id = APMIXED_LVDSPLL, .rate = LVDSPLL_HZ },
+ { .id = APMIXED_MSDCPLL2, .rate = MSDCPLL2_HZ },
+ { .id = APMIXED_APLL1, .rate = APLL1_HZ },
+ { .id = APMIXED_APLL2, .rate = APLL2_HZ },
+};
-static int pll_set_rate(const struct pll *pll, u32 rate)
+void pll_set_pcw_change(const struct pll *pll)
{
- u32 pcw = 0;
- u32 postdiv;
-
- pll_calc_values(pll, &pcw, &postdiv, rate);
- pll_set_rate_regs(pll, pcw, postdiv);
-
- return 0;
+ setbits_le32(pll->pcw_reg, PLL_PCW_CHG);
}
void mt_pll_init(void)
@@ -317,10 +305,10 @@ void mt_pll_init(void)
int i;
/* reduce CLKSQ disable time */
- write32(&mt8173_apmixed->clksq_stb_con0, (0x05 << 8) | (0x01 << 0));
+ write32(&mtk_apmixed->clksq_stb_con0, (0x05 << 8) | (0x01 << 0));
/* extend PWR/ISO control timing to 1us */
- write32(&mt8173_apmixed->pll_iso_con0, (0x8 << 16) | (0x8 << 0));
- write32(&mt8173_apmixed->ap_pll_con6, 0x00000000);
+ write32(&mtk_apmixed->pll_iso_con0, (0x8 << 16) | (0x8 << 0));
+ write32(&mtk_apmixed->ap_pll_con6, 0x00000000);
/*************
* xPLL PWR ON
@@ -328,7 +316,8 @@ void mt_pll_init(void)
for (i = 0; i < APMIXED_NR_PLL; i++)
setbits_le32(plls[i].pwr_reg, PLL_PWR_ON);
- udelay(5); /* wait for xPLL_PWR_ON ready (min delay is 1us) */
+ /* wait for xPLL_PWR_ON ready (min delay is 1us) */
+ udelay(PLL_PWR_ON_DELAY);
/******************
* xPLL ISO Disable
@@ -339,21 +328,8 @@ void mt_pll_init(void)
/********************
* xPLL Frequency Set
*********************/
-
- pll_set_rate(&plls[APMIXED_ARMCA15PLL], ARMCA15PLL_HZ);
- pll_set_rate(&plls[APMIXED_ARMCA7PLL], ARMCA7PLL_HZ);
- pll_set_rate(&plls[APMIXED_MAINPLL], MAINPLL_HZ);
- pll_set_rate(&plls[APMIXED_UNIVPLL], UNIVPLL_HZ);
- pll_set_rate(&plls[APMIXED_MMPLL], MMPLL_HZ);
- pll_set_rate(&plls[APMIXED_MSDCPLL], MSDCPLL_HZ);
- pll_set_rate(&plls[APMIXED_VENCPLL], VENCPLL_HZ);
- pll_set_rate(&plls[APMIXED_TVDPLL], TVDPLL_HZ);
- pll_set_rate(&plls[APMIXED_MPLL], MPLL_HZ);
- pll_set_rate(&plls[APMIXED_VCODECPLL], VCODECPLL_HZ);
- pll_set_rate(&plls[APMIXED_LVDSPLL], LVDSPLL_HZ);
- pll_set_rate(&plls[APMIXED_MSDCPLL2], MSDCPLL2_HZ);
- pll_set_rate(&plls[APMIXED_APLL1], APLL1_HZ);
- pll_set_rate(&plls[APMIXED_APLL2], APLL2_HZ);
+ for (i = 0; i < ARRAY_SIZE(rates); i++)
+ pll_set_rate(&plls[rates[i].id], rates[i].rate);
/***********************
* xPLL Frequency Enable
@@ -361,14 +337,14 @@ void mt_pll_init(void)
for (i = 0; i < APMIXED_NR_PLL; i++)
setbits_le32(plls[i].reg, PLL_EN);
- udelay(40); /* wait for PLL stable (min delay is 20us) */
+ udelay(PLL_EN_DELAY); /* wait for PLL stable (min delay is 20us) */
/***************
* xPLL DIV RSTB
****************/
for (i = 0; i < APMIXED_NR_PLL; i++) {
- if (plls[i].rstb)
- setbits_le32(plls[i].reg, plls[i].rstb);
+ if (plls[i].rstb_shift != NO_RSTB_SHIFT)
+ setbits_le32(plls[i].reg, 1 << plls[i].rstb_shift);
}
/**************
@@ -378,68 +354,20 @@ void mt_pll_init(void)
/* enable infrasys DCM */
setbits_le32(&mt8173_infracfg->top_dcmctl, 0x1);
- write32(&mt8173_topckgen->clk_mode, 0x1);
- write32(&mt8173_topckgen->clk_mode, 0x0); /* enable TOPCKGEN */
+ write32(&mtk_topckgen->clk_mode, 0x1);
+ write32(&mtk_topckgen->clk_mode, 0x0); /* enable TOPCKGEN */
/************
* TOP CLKMUX -- DO NOT CHANGE WITHOUT ADJUSTING <soc/pll.h> CONSTANTS!
*************/
-
- /* CLK_CFG_0 */
- mux_set_sel(&muxes[TOP_AXI_SEL], 5); /* 5: univpll2_d2 */
- mux_set_sel(&muxes[TOP_MEM_SEL], 0); /* 0: clk26m */
- mux_set_sel(&muxes[TOP_DDRPHYCFG_SEL], 0); /* 0: clk26m */
- mux_set_sel(&muxes[TOP_MM_SEL], 1); /* 1: vencpll_d2 */
- /* CLK_CFG_1 */
- mux_set_sel(&muxes[TOP_PWM_SEL], 0); /* 0: clk26m */
- mux_set_sel(&muxes[TOP_VDEC_SEL], 1); /* 1: vcodecpll_ck */
- mux_set_sel(&muxes[TOP_VENC_SEL], 1); /* 1: vcodecpll_ck */
- mux_set_sel(&muxes[TOP_MFG_SEL], 1); /* 1: mmpll_ck */
- /* CLK_CFG_2 */
- mux_set_sel(&muxes[TOP_CAMTG_SEL], 0); /* 0: clk26m */
- mux_set_sel(&muxes[TOP_UART_SEL], 0); /* 0: clk26m */
- mux_set_sel(&muxes[TOP_SPI_SEL], 1); /* 1: syspll3_d2 */
- mux_set_sel(&muxes[TOP_USB20_SEL], 1); /* 1: univpll1_d8 */
- /* CLK_CFG_4 */
- mux_set_sel(&muxes[TOP_MSDC30_2_SEL], 2); /* 2: msdcpll_d4 */
- mux_set_sel(&muxes[TOP_MSDC30_3_SEL], 5); /* 5: msdcpll_d4 */
- mux_set_sel(&muxes[TOP_AUDIO_SEL], 0); /* 0: clk26m */
- mux_set_sel(&muxes[TOP_AUD_INTBUS_SEL], 1); /* 1: syspll1_d4 */
- /* CLK_CFG_5 */
- mux_set_sel(&muxes[TOP_PMICSPI_SEL], 0); /* 0: clk26m */
- mux_set_sel(&muxes[TOP_SCP_SEL], 1); /* 1: syspll1_d2 */
- mux_set_sel(&muxes[TOP_ATB_SEL], 0); /* 0: clk26m */
- mux_set_sel(&muxes[TOP_VENC_LT_SEL], 6); /* 6: univpll1_d2 */
- /* CLK_CFG_6 */
- mux_set_sel(&muxes[TOP_DPI0_SEL], 1); /* 1: tvdpll_d2 */
- mux_set_sel(&muxes[TOP_IRDA_SEL], 1); /* 1: univpll2_d4 */
- mux_set_sel(&muxes[TOP_CCI400_SEL], 5); /* 5: syspll_d2 */
- mux_set_sel(&muxes[TOP_AUD_1_SEL], 1); /* 1: apll1_ck */
- /* CLK_CFG_7 */
- mux_set_sel(&muxes[TOP_AUD_2_SEL], 1); /* 1: apll2_ck */
- mux_set_sel(&muxes[TOP_MEM_MFG_IN_SEL], 1); /* 1: mmpll_ck */
- mux_set_sel(&muxes[TOP_AXI_MFG_IN_SEL], 1); /* 1: hd_faxi_ck */
- mux_set_sel(&muxes[TOP_SCAM_SEL], 1); /* 1: syspll3_d2 */
- /* CLK_CFG_12 */
- mux_set_sel(&muxes[TOP_SPINFI_IFR_SEL], 0); /* 0: clk26m */
- mux_set_sel(&muxes[TOP_HDMI_SEL], 1); /* 1: AD_HDMITX_CLK */
- mux_set_sel(&muxes[TOP_DPILVDS_SEL], 1); /* 1: AD_LVDSPLL_CK */
- /* CLK_CFG_13 */
- mux_set_sel(&muxes[TOP_MSDC50_2_H_SEL], 2); /* 2: syspll2_d2 */
- mux_set_sel(&muxes[TOP_HDCP_SEL], 2); /* 2: syspll3_d4 */
- mux_set_sel(&muxes[TOP_HDCP_24M_SEL], 2); /* 2: univpll_d52 */
- mux_set_sel(&muxes[TOP_RTC_SEL], 1); /* 1: clkrtc_ext */
- /* CLK_CFG_3 */
- mux_set_sel(&muxes[TOP_USB30_SEL], 1); /* 1: univpll3_d2 */
- mux_set_sel(&muxes[TOP_MSDC50_0_H_SEL], 2); /* 2: syspll2_d2 */
- mux_set_sel(&muxes[TOP_MSDC50_0_SEL], 6); /* 6: msdcpll_d4 */
- mux_set_sel(&muxes[TOP_MSDC30_1_SEL], 2); /* 2: msdcpll_d4 */
+ for (i = 0; i < ARRAY_SIZE(mux_sels); i++)
+ mux_set_sel(&muxes[mux_sels[i].id], mux_sels[i].sel);
/* enable scpsys clock off control */
- write32(&mt8173_topckgen->clk_scp_cfg_0,
+ write32(&mtk_topckgen->clk_scp_cfg_0,
(1 << 10) | (1 << 9) | (1 << 5) | (1 << 4) | (1 << 2) |
(1 << 1) | (1 << 0));
- write32(&mt8173_topckgen->clk_scp_cfg_1,
+ write32(&mtk_topckgen->clk_scp_cfg_1,
(1 << 4) | (1 << 2) | (1 << 0));
}
@@ -447,16 +375,16 @@ void mt_pll_init(void)
void mt_pll_enable_ssusb_clk(void)
{
/* set RG_LTECLKSQ_EN */
- setbits_le32(&mt8173_apmixed->ap_pll_con0, 0x1);
+ setbits_le32(&mtk_apmixed->ap_pll_con0, 0x1);
udelay(100); /* wait for PLL stable */
/* set RG_LTECLKSQ_LPF_EN & DA_REF2USB_TX_EN */
- setbits_le32(&mt8173_apmixed->ap_pll_con0, 0x1 << 1);
- setbits_le32(&mt8173_apmixed->ap_pll_con2, 0x1);
+ setbits_le32(&mtk_apmixed->ap_pll_con0, 0x1 << 1);
+ setbits_le32(&mtk_apmixed->ap_pll_con2, 0x1);
udelay(100); /* wait for PLL stable */
/* set DA_REF2USB_TX_LPF_EN & DA_REF2USB_TX_OUT_EN */
- setbits_le32(&mt8173_apmixed->ap_pll_con2, (0x1 << 2) | (0x1 << 1));
+ setbits_le32(&mtk_apmixed->ap_pll_con2, (0x1 << 2) | (0x1 << 1));
}
@@ -487,19 +415,19 @@ void mt_pll_set_aud_div(u32 rate)
if (apll1) {
/* mclk */
- clrbits_le32(&mt8173_topckgen->clk_auddiv_0, 1 << 5);
- clrsetbits_le32(&mt8173_topckgen->clk_auddiv_1, 0xff << 8,
+ clrbits_le32(&mtk_topckgen->clk_auddiv_0, 1 << 5);
+ clrsetbits_le32(&mtk_topckgen->clk_auddiv_1, 0xff << 8,
mclk_div << 8);
/* bclk */
- clrsetbits_le32(&mt8173_topckgen->clk_auddiv_0, 0xf << 24,
+ clrsetbits_le32(&mtk_topckgen->clk_auddiv_0, 0xf << 24,
7 << 24);
} else {
/* mclk */
- setbits_le32(&mt8173_topckgen->clk_auddiv_0, 1 << 5);
- clrsetbits_le32(&mt8173_topckgen->clk_auddiv_2, 0xff << 8,
+ setbits_le32(&mtk_topckgen->clk_auddiv_0, 1 << 5);
+ clrsetbits_le32(&mtk_topckgen->clk_auddiv_2, 0xff << 8,
mclk_div << 8);
/* bclk */
- clrsetbits_le32(&mt8173_topckgen->clk_auddiv_0, 0xf << 28,
+ clrsetbits_le32(&mtk_topckgen->clk_auddiv_0, 0xf << 28,
7 << 28);
}
}
@@ -513,19 +441,19 @@ void mt_mem_pll_config_pre(const struct mt8173_sdram_params *sdram_params)
u32 mpll_sdm_pcw_20_0 = 0xF13B1;
/* disable MPLL for adjusting memory clk frequency */
- clrbits_le32(&mt8173_apmixed->mpll_con0, BIT(0));
+ clrbits_le32(&mtk_apmixed->mpll_con0, BIT(0));
/* MPLL configuration: mode selection */
- setbits_le32(&mt8173_apmixed->mpll_con0, BIT(16));
- clrbits_le32(&mt8173_apmixed->mpll_con0, 0x7 << 4);
- clrbits_le32(&mt8173_apmixed->pll_test_con0, 1 << 31);
+ setbits_le32(&mtk_apmixed->mpll_con0, BIT(16));
+ clrbits_le32(&mtk_apmixed->mpll_con0, 0x7 << 4);
+ clrbits_le32(&mtk_apmixed->pll_test_con0, 1 << 31);
/* set RG_MPLL_SDM_PCW for feedback divide ratio */
- clrsetbits_le32(&mt8173_apmixed->mpll_con1, 0x1fffff, mpll_sdm_pcw_20_0);
+ clrsetbits_le32(&mtk_apmixed->mpll_con1, 0x1fffff, mpll_sdm_pcw_20_0);
}
void mt_mem_pll_config_post(void)
{
/* power up sequence starts: enable MPLL */
- setbits_le32(&mt8173_apmixed->mpll_con0, BIT(0));
+ setbits_le32(&mtk_apmixed->mpll_con0, BIT(0));
}
void mt_mem_pll_mux(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-16 12:54:18 +0000