diff options
Diffstat (limited to 'drivers/clk/tegra/clk-pll.c')
-rw-r--r-- | drivers/clk/tegra/clk-pll.c | 66 |
1 files changed, 44 insertions, 22 deletions
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index 0d20241e0770..6aad8abc69a2 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c | |||
@@ -58,9 +58,9 @@ | |||
58 | #define PLLDU_LFCON_SET_DIVN 600 | 58 | #define PLLDU_LFCON_SET_DIVN 600 |
59 | 59 | ||
60 | #define PLLE_BASE_DIVCML_SHIFT 24 | 60 | #define PLLE_BASE_DIVCML_SHIFT 24 |
61 | #define PLLE_BASE_DIVCML_WIDTH 4 | 61 | #define PLLE_BASE_DIVCML_MASK 0xf |
62 | #define PLLE_BASE_DIVP_SHIFT 16 | 62 | #define PLLE_BASE_DIVP_SHIFT 16 |
63 | #define PLLE_BASE_DIVP_WIDTH 7 | 63 | #define PLLE_BASE_DIVP_WIDTH 6 |
64 | #define PLLE_BASE_DIVN_SHIFT 8 | 64 | #define PLLE_BASE_DIVN_SHIFT 8 |
65 | #define PLLE_BASE_DIVN_WIDTH 8 | 65 | #define PLLE_BASE_DIVN_WIDTH 8 |
66 | #define PLLE_BASE_DIVM_SHIFT 0 | 66 | #define PLLE_BASE_DIVM_SHIFT 0 |
@@ -183,6 +183,14 @@ | |||
183 | #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\ | 183 | #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\ |
184 | mask(p->params->div_nmp->divp_width)) | 184 | mask(p->params->div_nmp->divp_width)) |
185 | 185 | ||
186 | #define divm_shift(p) (p)->params->div_nmp->divm_shift | ||
187 | #define divn_shift(p) (p)->params->div_nmp->divn_shift | ||
188 | #define divp_shift(p) (p)->params->div_nmp->divp_shift | ||
189 | |||
190 | #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p)) | ||
191 | #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p)) | ||
192 | #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p)) | ||
193 | |||
186 | #define divm_max(p) (divm_mask(p)) | 194 | #define divm_max(p) (divm_mask(p)) |
187 | #define divn_max(p) (divn_mask(p)) | 195 | #define divn_max(p) (divn_mask(p)) |
188 | #define divp_max(p) (1 << (divp_mask(p))) | 196 | #define divp_max(p) (1 << (divp_mask(p))) |
@@ -476,13 +484,12 @@ static void _update_pll_mnp(struct tegra_clk_pll *pll, | |||
476 | } else { | 484 | } else { |
477 | val = pll_readl_base(pll); | 485 | val = pll_readl_base(pll); |
478 | 486 | ||
479 | val &= ~((divm_mask(pll) << div_nmp->divm_shift) | | 487 | val &= ~(divm_mask_shifted(pll) | divn_mask_shifted(pll) | |
480 | (divn_mask(pll) << div_nmp->divn_shift) | | 488 | divp_mask_shifted(pll)); |
481 | (divp_mask(pll) << div_nmp->divp_shift)); | ||
482 | 489 | ||
483 | val |= ((cfg->m << div_nmp->divm_shift) | | 490 | val |= (cfg->m << divm_shift(pll)) | |
484 | (cfg->n << div_nmp->divn_shift) | | 491 | (cfg->n << divn_shift(pll)) | |
485 | (cfg->p << div_nmp->divp_shift)); | 492 | (cfg->p << divp_shift(pll)); |
486 | 493 | ||
487 | pll_writel_base(val, pll); | 494 | pll_writel_base(val, pll); |
488 | } | 495 | } |
@@ -730,11 +737,12 @@ static int clk_plle_enable(struct clk_hw *hw) | |||
730 | if (pll->params->flags & TEGRA_PLLE_CONFIGURE) { | 737 | if (pll->params->flags & TEGRA_PLLE_CONFIGURE) { |
731 | /* configure dividers */ | 738 | /* configure dividers */ |
732 | val = pll_readl_base(pll); | 739 | val = pll_readl_base(pll); |
733 | val &= ~(divm_mask(pll) | divn_mask(pll) | divp_mask(pll)); | 740 | val &= ~(divp_mask_shifted(pll) | divn_mask_shifted(pll) | |
734 | val &= ~(PLLE_BASE_DIVCML_WIDTH << PLLE_BASE_DIVCML_SHIFT); | 741 | divm_mask_shifted(pll)); |
735 | val |= sel.m << pll->params->div_nmp->divm_shift; | 742 | val &= ~(PLLE_BASE_DIVCML_MASK << PLLE_BASE_DIVCML_SHIFT); |
736 | val |= sel.n << pll->params->div_nmp->divn_shift; | 743 | val |= sel.m << divm_shift(pll); |
737 | val |= sel.p << pll->params->div_nmp->divp_shift; | 744 | val |= sel.n << divn_shift(pll); |
745 | val |= sel.p << divp_shift(pll); | ||
738 | val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT; | 746 | val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT; |
739 | pll_writel_base(val, pll); | 747 | pll_writel_base(val, pll); |
740 | } | 748 | } |
@@ -745,10 +753,11 @@ static int clk_plle_enable(struct clk_hw *hw) | |||
745 | pll_writel_misc(val, pll); | 753 | pll_writel_misc(val, pll); |
746 | 754 | ||
747 | val = readl(pll->clk_base + PLLE_SS_CTRL); | 755 | val = readl(pll->clk_base + PLLE_SS_CTRL); |
756 | val &= ~PLLE_SS_COEFFICIENTS_MASK; | ||
748 | val |= PLLE_SS_DISABLE; | 757 | val |= PLLE_SS_DISABLE; |
749 | writel(val, pll->clk_base + PLLE_SS_CTRL); | 758 | writel(val, pll->clk_base + PLLE_SS_CTRL); |
750 | 759 | ||
751 | val |= pll_readl_base(pll); | 760 | val = pll_readl_base(pll); |
752 | val |= (PLL_BASE_BYPASS | PLL_BASE_ENABLE); | 761 | val |= (PLL_BASE_BYPASS | PLL_BASE_ENABLE); |
753 | pll_writel_base(val, pll); | 762 | pll_writel_base(val, pll); |
754 | 763 | ||
@@ -1292,10 +1301,11 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw) | |||
1292 | pll_writel(val, PLLE_SS_CTRL, pll); | 1301 | pll_writel(val, PLLE_SS_CTRL, pll); |
1293 | 1302 | ||
1294 | val = pll_readl_base(pll); | 1303 | val = pll_readl_base(pll); |
1295 | val &= ~(divm_mask(pll) | divn_mask(pll) | divp_mask(pll)); | 1304 | val &= ~(divp_mask_shifted(pll) | divn_mask_shifted(pll) | |
1296 | val &= ~(PLLE_BASE_DIVCML_WIDTH << PLLE_BASE_DIVCML_SHIFT); | 1305 | divm_mask_shifted(pll)); |
1297 | val |= sel.m << pll->params->div_nmp->divm_shift; | 1306 | val &= ~(PLLE_BASE_DIVCML_MASK << PLLE_BASE_DIVCML_SHIFT); |
1298 | val |= sel.n << pll->params->div_nmp->divn_shift; | 1307 | val |= sel.m << divm_shift(pll); |
1308 | val |= sel.n << divn_shift(pll); | ||
1299 | val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT; | 1309 | val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT; |
1300 | pll_writel_base(val, pll); | 1310 | pll_writel_base(val, pll); |
1301 | udelay(1); | 1311 | udelay(1); |
@@ -1410,6 +1420,15 @@ struct clk *tegra_clk_register_pll(const char *name, const char *parent_name, | |||
1410 | return clk; | 1420 | return clk; |
1411 | } | 1421 | } |
1412 | 1422 | ||
1423 | static struct div_nmp pll_e_nmp = { | ||
1424 | .divn_shift = PLLE_BASE_DIVN_SHIFT, | ||
1425 | .divn_width = PLLE_BASE_DIVN_WIDTH, | ||
1426 | .divm_shift = PLLE_BASE_DIVM_SHIFT, | ||
1427 | .divm_width = PLLE_BASE_DIVM_WIDTH, | ||
1428 | .divp_shift = PLLE_BASE_DIVP_SHIFT, | ||
1429 | .divp_width = PLLE_BASE_DIVP_WIDTH, | ||
1430 | }; | ||
1431 | |||
1413 | struct clk *tegra_clk_register_plle(const char *name, const char *parent_name, | 1432 | struct clk *tegra_clk_register_plle(const char *name, const char *parent_name, |
1414 | void __iomem *clk_base, void __iomem *pmc, | 1433 | void __iomem *clk_base, void __iomem *pmc, |
1415 | unsigned long flags, struct tegra_clk_pll_params *pll_params, | 1434 | unsigned long flags, struct tegra_clk_pll_params *pll_params, |
@@ -1420,6 +1439,10 @@ struct clk *tegra_clk_register_plle(const char *name, const char *parent_name, | |||
1420 | 1439 | ||
1421 | pll_params->flags |= TEGRA_PLL_LOCK_MISC | TEGRA_PLL_BYPASS; | 1440 | pll_params->flags |= TEGRA_PLL_LOCK_MISC | TEGRA_PLL_BYPASS; |
1422 | pll_params->flags |= TEGRA_PLL_HAS_LOCK_ENABLE; | 1441 | pll_params->flags |= TEGRA_PLL_HAS_LOCK_ENABLE; |
1442 | |||
1443 | if (!pll_params->div_nmp) | ||
1444 | pll_params->div_nmp = &pll_e_nmp; | ||
1445 | |||
1423 | pll = _tegra_init_pll(clk_base, pmc, pll_params, lock); | 1446 | pll = _tegra_init_pll(clk_base, pmc, pll_params, lock); |
1424 | if (IS_ERR(pll)) | 1447 | if (IS_ERR(pll)) |
1425 | return ERR_CAST(pll); | 1448 | return ERR_CAST(pll); |
@@ -1557,9 +1580,8 @@ struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name, | |||
1557 | int m; | 1580 | int m; |
1558 | 1581 | ||
1559 | m = _pll_fixed_mdiv(pll_params, parent_rate); | 1582 | m = _pll_fixed_mdiv(pll_params, parent_rate); |
1560 | val = m << PLL_BASE_DIVM_SHIFT; | 1583 | val = m << divm_shift(pll); |
1561 | val |= (pll_params->vco_min / parent_rate) | 1584 | val |= (pll_params->vco_min / parent_rate) << divn_shift(pll); |
1562 | << PLL_BASE_DIVN_SHIFT; | ||
1563 | pll_writel_base(val, pll); | 1585 | pll_writel_base(val, pll); |
1564 | } | 1586 | } |
1565 | 1587 | ||
@@ -1718,7 +1740,7 @@ struct clk *tegra_clk_register_plle_tegra114(const char *name, | |||
1718 | "pll_re_vco"); | 1740 | "pll_re_vco"); |
1719 | } else { | 1741 | } else { |
1720 | val_aux &= ~(PLLE_AUX_PLLRE_SEL | PLLE_AUX_PLLP_SEL); | 1742 | val_aux &= ~(PLLE_AUX_PLLRE_SEL | PLLE_AUX_PLLP_SEL); |
1721 | pll_writel(val, pll_params->aux_reg, pll); | 1743 | pll_writel(val_aux, pll_params->aux_reg, pll); |
1722 | } | 1744 | } |
1723 | 1745 | ||
1724 | clk = _tegra_clk_register_pll(pll, name, parent_name, flags, | 1746 | clk = _tegra_clk_register_pll(pll, name, parent_name, flags, |