From 33886693b645dd737a21065c095eac2ce7cbd956 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Thu, 17 Dec 2015 17:47:47 +0900 Subject: ARM: uniphier: merge umc/ and ddrphy/ into a single directory The UMC (Universal Memory Controller) and the DDR PHY block are highly related to each other. It is better to have both code in the same directory. Signed-off-by: Masahiro Yamada --- arch/arm/mach-uniphier/Makefile | 2 +- arch/arm/mach-uniphier/ddrphy/Makefile | 7 - arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-ld4.c | 72 ---------- arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-pro4.c | 72 ---------- arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-sld8.c | 77 ----------- arch/arm/mach-uniphier/ddrphy/ddrphy-training.c | 140 ------------------- arch/arm/mach-uniphier/dram/Makefile | 10 ++ arch/arm/mach-uniphier/dram/ddrphy-ph1-ld4.c | 72 ++++++++++ arch/arm/mach-uniphier/dram/ddrphy-ph1-pro4.c | 72 ++++++++++ arch/arm/mach-uniphier/dram/ddrphy-ph1-sld8.c | 77 +++++++++++ arch/arm/mach-uniphier/dram/ddrphy-training.c | 140 +++++++++++++++++++ arch/arm/mach-uniphier/dram/umc-ph1-ld4.c | 175 ++++++++++++++++++++++++ arch/arm/mach-uniphier/dram/umc-ph1-pro4.c | 161 ++++++++++++++++++++++ arch/arm/mach-uniphier/dram/umc-ph1-sld8.c | 155 +++++++++++++++++++++ arch/arm/mach-uniphier/umc/Makefile | 7 - arch/arm/mach-uniphier/umc/umc-ph1-ld4.c | 175 ------------------------ arch/arm/mach-uniphier/umc/umc-ph1-pro4.c | 161 ---------------------- arch/arm/mach-uniphier/umc/umc-ph1-sld8.c | 155 --------------------- 18 files changed, 863 insertions(+), 867 deletions(-) delete mode 100644 arch/arm/mach-uniphier/ddrphy/Makefile delete mode 100644 arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-ld4.c delete mode 100644 arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-pro4.c delete mode 100644 arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-sld8.c delete mode 100644 arch/arm/mach-uniphier/ddrphy/ddrphy-training.c create mode 100644 arch/arm/mach-uniphier/dram/Makefile create mode 100644 arch/arm/mach-uniphier/dram/ddrphy-ph1-ld4.c create mode 100644 arch/arm/mach-uniphier/dram/ddrphy-ph1-pro4.c create mode 100644 arch/arm/mach-uniphier/dram/ddrphy-ph1-sld8.c create mode 100644 arch/arm/mach-uniphier/dram/ddrphy-training.c create mode 100644 arch/arm/mach-uniphier/dram/umc-ph1-ld4.c create mode 100644 arch/arm/mach-uniphier/dram/umc-ph1-pro4.c create mode 100644 arch/arm/mach-uniphier/dram/umc-ph1-sld8.c delete mode 100644 arch/arm/mach-uniphier/umc/Makefile delete mode 100644 arch/arm/mach-uniphier/umc/umc-ph1-ld4.c delete mode 100644 arch/arm/mach-uniphier/umc/umc-ph1-pro4.c delete mode 100644 arch/arm/mach-uniphier/umc/umc-ph1-sld8.c (limited to 'arch/arm') diff --git a/arch/arm/mach-uniphier/Makefile b/arch/arm/mach-uniphier/Makefile index 86929a27d4..5b19f93ea9 100644 --- a/arch/arm/mach-uniphier/Makefile +++ b/arch/arm/mach-uniphier/Makefile @@ -7,7 +7,7 @@ ifdef CONFIG_SPL_BUILD obj-y += lowlevel_init.o obj-y += init_page_table.o -obj-y += init/ bcu/ memconf/ pll/ early-clk/ early-pinctrl/ umc/ ddrphy/ +obj-y += init/ bcu/ memconf/ pll/ early-clk/ early-pinctrl/ dram/ obj-$(CONFIG_MICRO_SUPPORT_CARD) += sbc/ obj-$(CONFIG_DEBUG_LL) += debug_ll.o diff --git a/arch/arm/mach-uniphier/ddrphy/Makefile b/arch/arm/mach-uniphier/ddrphy/Makefile deleted file mode 100644 index d0f4bd3519..0000000000 --- a/arch/arm/mach-uniphier/ddrphy/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD4) += ddrphy-training.o ddrphy-ph1-ld4.o -obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO4) += ddrphy-training.o ddrphy-ph1-pro4.o -obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD8) += ddrphy-training.o ddrphy-ph1-sld8.o diff --git a/arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-ld4.c b/arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-ld4.c deleted file mode 100644 index 991d9294fd..0000000000 --- a/arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-ld4.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright (C) 2014-2015 Masahiro Yamada - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include - -int ph1_ld4_ddrphy_init(struct ddrphy __iomem *phy, int freq, int size) -{ - u32 tmp; - - writel(0x0300c473, &phy->pgcr[1]); - if (freq == 1333) { - writel(0x0a806844, &phy->ptr[0]); - writel(0x208e0124, &phy->ptr[1]); - } else { - writel(0x0c807d04, &phy->ptr[0]); - writel(0x2710015E, &phy->ptr[1]); - } - writel(0x00083DEF, &phy->ptr[2]); - if (freq == 1333) { - writel(0x0f051616, &phy->ptr[3]); - writel(0x06ae08d6, &phy->ptr[4]); - } else { - writel(0x12061A80, &phy->ptr[3]); - writel(0x08027100, &phy->ptr[4]); - } - writel(0xF004001A, &phy->dsgcr); - - /* change the value of the on-die pull-up/pull-down registors */ - tmp = readl(&phy->dxccr); - tmp &= ~0x0ee0; - tmp |= DXCCR_DQSNRES_688_OHM | DXCCR_DQSRES_688_OHM; - writel(tmp, &phy->dxccr); - - writel(0x0000040B, &phy->dcr); - if (freq == 1333) { - writel(0x85589955, &phy->dtpr[0]); - if (size == 1) - writel(0x1a8253c0, &phy->dtpr[1]); - else - writel(0x1a8363c0, &phy->dtpr[1]); - writel(0x5002c200, &phy->dtpr[2]); - writel(0x00000b51, &phy->mr0); - } else { - writel(0x999cbb66, &phy->dtpr[0]); - if (size == 1) - writel(0x1a82dbc0, &phy->dtpr[1]); - else - writel(0x1a878400, &phy->dtpr[1]); - writel(0xa00214f8, &phy->dtpr[2]); - writel(0x00000d71, &phy->mr0); - } - writel(0x00000006, &phy->mr1); - if (freq == 1333) - writel(0x00000290, &phy->mr2); - else - writel(0x00000298, &phy->mr2); - - writel(0x00000800, &phy->mr3); - - while (!(readl(&phy->pgsr[0]) & PGSR0_IDONE)) - ; - - writel(0x0300C473, &phy->pgcr[1]); - writel(0x0000005D, &phy->zq[0].cr[1]); - - return 0; -} diff --git a/arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-pro4.c b/arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-pro4.c deleted file mode 100644 index bc47ba3280..0000000000 --- a/arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-pro4.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright (C) 2014-2015 Masahiro Yamada - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include - -int ph1_pro4_ddrphy_init(struct ddrphy __iomem *phy, int freq, int size) -{ - u32 tmp; - - writel(0x0300c473, &phy->pgcr[1]); - if (freq == 1333) { - writel(0x0a806844, &phy->ptr[0]); - writel(0x208e0124, &phy->ptr[1]); - } else { - writel(0x0c807d04, &phy->ptr[0]); - writel(0x2710015E, &phy->ptr[1]); - } - writel(0x00083DEF, &phy->ptr[2]); - if (freq == 1333) { - writel(0x0f051616, &phy->ptr[3]); - writel(0x06ae08d6, &phy->ptr[4]); - } else { - writel(0x12061A80, &phy->ptr[3]); - writel(0x08027100, &phy->ptr[4]); - } - writel(0xF004001A, &phy->dsgcr); - - /* change the value of the on-die pull-up/pull-down registors */ - tmp = readl(&phy->dxccr); - tmp &= ~0x0ee0; - tmp |= DXCCR_DQSNRES_688_OHM | DXCCR_DQSRES_688_OHM; - writel(tmp, &phy->dxccr); - - writel(0x0000040B, &phy->dcr); - if (freq == 1333) { - writel(0x85589955, &phy->dtpr[0]); - if (size == 1) - writel(0x1a8363c0, &phy->dtpr[1]); - else - writel(0x1a8363c0, &phy->dtpr[1]); - writel(0x5002c200, &phy->dtpr[2]); - writel(0x00000b51, &phy->mr0); - } else { - writel(0x999cbb66, &phy->dtpr[0]); - if (size == 1) - writel(0x1a878400, &phy->dtpr[1]); - else - writel(0x1a878400, &phy->dtpr[1]); - writel(0xa00214f8, &phy->dtpr[2]); - writel(0x00000d71, &phy->mr0); - } - writel(0x00000006, &phy->mr1); - if (freq == 1333) - writel(0x00000290, &phy->mr2); - else - writel(0x00000298, &phy->mr2); - - writel(0x00000000, &phy->mr3); - - while (!(readl(&phy->pgsr[0]) & PGSR0_IDONE)) - ; - - writel(0x0300C473, &phy->pgcr[1]); - writel(0x0000005D, &phy->zq[0].cr[1]); - - return 0; -} diff --git a/arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-sld8.c b/arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-sld8.c deleted file mode 100644 index 39024a09d5..0000000000 --- a/arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-sld8.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * Copyright (C) 2014-2015 Masahiro Yamada - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include -#include - -int ph1_sld8_ddrphy_init(struct ddrphy __iomem *phy, int freq, int size) -{ - u32 tmp; - - writel(0x0300c473, &phy->pgcr[1]); - if (freq == 1333) { - writel(0x0a806844, &phy->ptr[0]); - writel(0x208e0124, &phy->ptr[1]); - } else { - writel(0x0c807d04, &phy->ptr[0]); - writel(0x2710015E, &phy->ptr[1]); - } - writel(0x00083DEF, &phy->ptr[2]); - if (freq == 1333) { - writel(0x0f051616, &phy->ptr[3]); - writel(0x06ae08d6, &phy->ptr[4]); - } else { - writel(0x12061A80, &phy->ptr[3]); - writel(0x08027100, &phy->ptr[4]); - } - writel(0xF004001A, &phy->dsgcr); - - /* change the value of the on-die pull-up/pull-down registors */ - tmp = readl(&phy->dxccr); - tmp &= ~0x0ee0; - tmp |= DXCCR_DQSNRES_688_OHM | DXCCR_DQSRES_688_OHM; - writel(tmp, &phy->dxccr); - - writel(0x0000040B, &phy->dcr); - if (freq == 1333) { - writel(0x85589955, &phy->dtpr[0]); - if (size == 1) - writel(0x1a8363c0, &phy->dtpr[1]); - else - writel(0x1a8363c0, &phy->dtpr[1]); - writel(0x5002c200, &phy->dtpr[2]); - writel(0x00000b51, &phy->mr0); - } else { - writel(0x999cbb66, &phy->dtpr[0]); - if (size == 1) - writel(0x1a878400, &phy->dtpr[1]); - else - writel(0x1a878400, &phy->dtpr[1]); - writel(0xa00214f8, &phy->dtpr[2]); - writel(0x00000d71, &phy->mr0); - } - writel(0x00000006, &phy->mr1); - if (freq == 1333) - writel(0x00000290, &phy->mr2); - else - writel(0x00000298, &phy->mr2); - -#ifdef CONFIG_DDR_STANDARD - writel(0x00000000, &phy->mr3); -#else - writel(0x00000800, &phy->mr3); -#endif - - while (!(readl(&phy->pgsr[0]) & PGSR0_IDONE)) - ; - - writel(0x0300C473, &phy->pgcr[1]); - writel(0x0000005D, &phy->zq[0].cr[1]); - - return 0; -} diff --git a/arch/arm/mach-uniphier/ddrphy/ddrphy-training.c b/arch/arm/mach-uniphier/ddrphy/ddrphy-training.c deleted file mode 100644 index 4852f2dec8..0000000000 --- a/arch/arm/mach-uniphier/ddrphy/ddrphy-training.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * Copyright (C) 2011-2015 Masahiro Yamada - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include -#include - -void ddrphy_prepare_training(struct ddrphy __iomem *phy, int rank) -{ - int dx; - u32 __iomem tmp, *p; - - for (dx = 0; dx < NR_DATX8_PER_DDRPHY; dx++) { - p = &phy->dx[dx].gcr; - - tmp = readl(p); - /* Specify the rank that should be write leveled */ - tmp &= ~DXGCR_WLRKEN_MASK; - tmp |= (1 << (DXGCR_WLRKEN_SHIFT + rank)) & DXGCR_WLRKEN_MASK; - writel(tmp, p); - } - - p = &phy->dtcr; - - tmp = readl(p); - /* Specify the rank used during data bit deskew and eye centering */ - tmp &= ~DTCR_DTRANK_MASK; - tmp |= (rank << DTCR_DTRANK_SHIFT) & DTCR_DTRANK_MASK; - /* Use Multi-Purpose Register for DQS gate training */ - tmp |= DTCR_DTMPR; - /* Specify the rank enabled for data-training */ - tmp &= ~DTCR_RANKEN_MASK; - tmp |= (1 << (DTCR_RANKEN_SHIFT + rank)) & DTCR_RANKEN_MASK; - writel(tmp, p); -} - -struct ddrphy_init_sequence { - char *description; - u32 init_flag; - u32 done_flag; - u32 err_flag; -}; - -static const struct ddrphy_init_sequence init_sequence[] = { - { - "DRAM Initialization", - PIR_DRAMRST | PIR_DRAMINIT, - PGSR0_DIDONE, - PGSR0_DIERR - }, - { - "Write Leveling", - PIR_WL, - PGSR0_WLDONE, - PGSR0_WLERR - }, - { - "Read DQS Gate Training", - PIR_QSGATE, - PGSR0_QSGDONE, - PGSR0_QSGERR - }, - { - "Write Leveling Adjustment", - PIR_WLADJ, - PGSR0_WLADONE, - PGSR0_WLAERR - }, - { - "Read Bit Deskew", - PIR_RDDSKW, - PGSR0_RDDONE, - PGSR0_RDERR - }, - { - "Write Bit Deskew", - PIR_WRDSKW, - PGSR0_WDDONE, - PGSR0_WDERR - }, - { - "Read Eye Training", - PIR_RDEYE, - PGSR0_REDONE, - PGSR0_REERR - }, - { - "Write Eye Training", - PIR_WREYE, - PGSR0_WEDONE, - PGSR0_WEERR - } -}; - -int ddrphy_training(struct ddrphy __iomem *phy) -{ - int i; - u32 pgsr0; - u32 init_flag = PIR_INIT; - u32 done_flag = PGSR0_IDONE; - int timeout = 50000; /* 50 msec is long enough */ -#ifdef DISPLAY_ELAPSED_TIME - ulong start = get_timer(0); -#endif - - for (i = 0; i < ARRAY_SIZE(init_sequence); i++) { - init_flag |= init_sequence[i].init_flag; - done_flag |= init_sequence[i].done_flag; - } - - writel(init_flag, &phy->pir); - - do { - if (--timeout < 0) { - printf("%s: error: timeout during DDR training\n", - __func__); - return -ETIMEDOUT; - } - udelay(1); - pgsr0 = readl(&phy->pgsr[0]); - } while ((pgsr0 & done_flag) != done_flag); - - for (i = 0; i < ARRAY_SIZE(init_sequence); i++) { - if (pgsr0 & init_sequence[i].err_flag) { - printf("%s: error: %s failed\n", __func__, - init_sequence[i].description); - return -EIO; - } - } - -#ifdef DISPLAY_ELAPSED_TIME - printf("%s: info: elapsed time %ld msec\n", get_timer(start)); -#endif - - return 0; -} diff --git a/arch/arm/mach-uniphier/dram/Makefile b/arch/arm/mach-uniphier/dram/Makefile new file mode 100644 index 0000000000..d3a767b525 --- /dev/null +++ b/arch/arm/mach-uniphier/dram/Makefile @@ -0,0 +1,10 @@ +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD4) += umc-ph1-ld4.o \ + ddrphy-training.o ddrphy-ph1-ld4.o +obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO4) += umc-ph1-pro4.o \ + ddrphy-training.o ddrphy-ph1-pro4.o +obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD8) += umc-ph1-sld8.o \ + ddrphy-training.o ddrphy-ph1-sld8.o diff --git a/arch/arm/mach-uniphier/dram/ddrphy-ph1-ld4.c b/arch/arm/mach-uniphier/dram/ddrphy-ph1-ld4.c new file mode 100644 index 0000000000..991d9294fd --- /dev/null +++ b/arch/arm/mach-uniphier/dram/ddrphy-ph1-ld4.c @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2014-2015 Masahiro Yamada + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include + +int ph1_ld4_ddrphy_init(struct ddrphy __iomem *phy, int freq, int size) +{ + u32 tmp; + + writel(0x0300c473, &phy->pgcr[1]); + if (freq == 1333) { + writel(0x0a806844, &phy->ptr[0]); + writel(0x208e0124, &phy->ptr[1]); + } else { + writel(0x0c807d04, &phy->ptr[0]); + writel(0x2710015E, &phy->ptr[1]); + } + writel(0x00083DEF, &phy->ptr[2]); + if (freq == 1333) { + writel(0x0f051616, &phy->ptr[3]); + writel(0x06ae08d6, &phy->ptr[4]); + } else { + writel(0x12061A80, &phy->ptr[3]); + writel(0x08027100, &phy->ptr[4]); + } + writel(0xF004001A, &phy->dsgcr); + + /* change the value of the on-die pull-up/pull-down registors */ + tmp = readl(&phy->dxccr); + tmp &= ~0x0ee0; + tmp |= DXCCR_DQSNRES_688_OHM | DXCCR_DQSRES_688_OHM; + writel(tmp, &phy->dxccr); + + writel(0x0000040B, &phy->dcr); + if (freq == 1333) { + writel(0x85589955, &phy->dtpr[0]); + if (size == 1) + writel(0x1a8253c0, &phy->dtpr[1]); + else + writel(0x1a8363c0, &phy->dtpr[1]); + writel(0x5002c200, &phy->dtpr[2]); + writel(0x00000b51, &phy->mr0); + } else { + writel(0x999cbb66, &phy->dtpr[0]); + if (size == 1) + writel(0x1a82dbc0, &phy->dtpr[1]); + else + writel(0x1a878400, &phy->dtpr[1]); + writel(0xa00214f8, &phy->dtpr[2]); + writel(0x00000d71, &phy->mr0); + } + writel(0x00000006, &phy->mr1); + if (freq == 1333) + writel(0x00000290, &phy->mr2); + else + writel(0x00000298, &phy->mr2); + + writel(0x00000800, &phy->mr3); + + while (!(readl(&phy->pgsr[0]) & PGSR0_IDONE)) + ; + + writel(0x0300C473, &phy->pgcr[1]); + writel(0x0000005D, &phy->zq[0].cr[1]); + + return 0; +} diff --git a/arch/arm/mach-uniphier/dram/ddrphy-ph1-pro4.c b/arch/arm/mach-uniphier/dram/ddrphy-ph1-pro4.c new file mode 100644 index 0000000000..bc47ba3280 --- /dev/null +++ b/arch/arm/mach-uniphier/dram/ddrphy-ph1-pro4.c @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2014-2015 Masahiro Yamada + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include + +int ph1_pro4_ddrphy_init(struct ddrphy __iomem *phy, int freq, int size) +{ + u32 tmp; + + writel(0x0300c473, &phy->pgcr[1]); + if (freq == 1333) { + writel(0x0a806844, &phy->ptr[0]); + writel(0x208e0124, &phy->ptr[1]); + } else { + writel(0x0c807d04, &phy->ptr[0]); + writel(0x2710015E, &phy->ptr[1]); + } + writel(0x00083DEF, &phy->ptr[2]); + if (freq == 1333) { + writel(0x0f051616, &phy->ptr[3]); + writel(0x06ae08d6, &phy->ptr[4]); + } else { + writel(0x12061A80, &phy->ptr[3]); + writel(0x08027100, &phy->ptr[4]); + } + writel(0xF004001A, &phy->dsgcr); + + /* change the value of the on-die pull-up/pull-down registors */ + tmp = readl(&phy->dxccr); + tmp &= ~0x0ee0; + tmp |= DXCCR_DQSNRES_688_OHM | DXCCR_DQSRES_688_OHM; + writel(tmp, &phy->dxccr); + + writel(0x0000040B, &phy->dcr); + if (freq == 1333) { + writel(0x85589955, &phy->dtpr[0]); + if (size == 1) + writel(0x1a8363c0, &phy->dtpr[1]); + else + writel(0x1a8363c0, &phy->dtpr[1]); + writel(0x5002c200, &phy->dtpr[2]); + writel(0x00000b51, &phy->mr0); + } else { + writel(0x999cbb66, &phy->dtpr[0]); + if (size == 1) + writel(0x1a878400, &phy->dtpr[1]); + else + writel(0x1a878400, &phy->dtpr[1]); + writel(0xa00214f8, &phy->dtpr[2]); + writel(0x00000d71, &phy->mr0); + } + writel(0x00000006, &phy->mr1); + if (freq == 1333) + writel(0x00000290, &phy->mr2); + else + writel(0x00000298, &phy->mr2); + + writel(0x00000000, &phy->mr3); + + while (!(readl(&phy->pgsr[0]) & PGSR0_IDONE)) + ; + + writel(0x0300C473, &phy->pgcr[1]); + writel(0x0000005D, &phy->zq[0].cr[1]); + + return 0; +} diff --git a/arch/arm/mach-uniphier/dram/ddrphy-ph1-sld8.c b/arch/arm/mach-uniphier/dram/ddrphy-ph1-sld8.c new file mode 100644 index 0000000000..39024a09d5 --- /dev/null +++ b/arch/arm/mach-uniphier/dram/ddrphy-ph1-sld8.c @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2014-2015 Masahiro Yamada + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include + +int ph1_sld8_ddrphy_init(struct ddrphy __iomem *phy, int freq, int size) +{ + u32 tmp; + + writel(0x0300c473, &phy->pgcr[1]); + if (freq == 1333) { + writel(0x0a806844, &phy->ptr[0]); + writel(0x208e0124, &phy->ptr[1]); + } else { + writel(0x0c807d04, &phy->ptr[0]); + writel(0x2710015E, &phy->ptr[1]); + } + writel(0x00083DEF, &phy->ptr[2]); + if (freq == 1333) { + writel(0x0f051616, &phy->ptr[3]); + writel(0x06ae08d6, &phy->ptr[4]); + } else { + writel(0x12061A80, &phy->ptr[3]); + writel(0x08027100, &phy->ptr[4]); + } + writel(0xF004001A, &phy->dsgcr); + + /* change the value of the on-die pull-up/pull-down registors */ + tmp = readl(&phy->dxccr); + tmp &= ~0x0ee0; + tmp |= DXCCR_DQSNRES_688_OHM | DXCCR_DQSRES_688_OHM; + writel(tmp, &phy->dxccr); + + writel(0x0000040B, &phy->dcr); + if (freq == 1333) { + writel(0x85589955, &phy->dtpr[0]); + if (size == 1) + writel(0x1a8363c0, &phy->dtpr[1]); + else + writel(0x1a8363c0, &phy->dtpr[1]); + writel(0x5002c200, &phy->dtpr[2]); + writel(0x00000b51, &phy->mr0); + } else { + writel(0x999cbb66, &phy->dtpr[0]); + if (size == 1) + writel(0x1a878400, &phy->dtpr[1]); + else + writel(0x1a878400, &phy->dtpr[1]); + writel(0xa00214f8, &phy->dtpr[2]); + writel(0x00000d71, &phy->mr0); + } + writel(0x00000006, &phy->mr1); + if (freq == 1333) + writel(0x00000290, &phy->mr2); + else + writel(0x00000298, &phy->mr2); + +#ifdef CONFIG_DDR_STANDARD + writel(0x00000000, &phy->mr3); +#else + writel(0x00000800, &phy->mr3); +#endif + + while (!(readl(&phy->pgsr[0]) & PGSR0_IDONE)) + ; + + writel(0x0300C473, &phy->pgcr[1]); + writel(0x0000005D, &phy->zq[0].cr[1]); + + return 0; +} diff --git a/arch/arm/mach-uniphier/dram/ddrphy-training.c b/arch/arm/mach-uniphier/dram/ddrphy-training.c new file mode 100644 index 0000000000..4852f2dec8 --- /dev/null +++ b/arch/arm/mach-uniphier/dram/ddrphy-training.c @@ -0,0 +1,140 @@ +/* + * Copyright (C) 2011-2015 Masahiro Yamada + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include + +void ddrphy_prepare_training(struct ddrphy __iomem *phy, int rank) +{ + int dx; + u32 __iomem tmp, *p; + + for (dx = 0; dx < NR_DATX8_PER_DDRPHY; dx++) { + p = &phy->dx[dx].gcr; + + tmp = readl(p); + /* Specify the rank that should be write leveled */ + tmp &= ~DXGCR_WLRKEN_MASK; + tmp |= (1 << (DXGCR_WLRKEN_SHIFT + rank)) & DXGCR_WLRKEN_MASK; + writel(tmp, p); + } + + p = &phy->dtcr; + + tmp = readl(p); + /* Specify the rank used during data bit deskew and eye centering */ + tmp &= ~DTCR_DTRANK_MASK; + tmp |= (rank << DTCR_DTRANK_SHIFT) & DTCR_DTRANK_MASK; + /* Use Multi-Purpose Register for DQS gate training */ + tmp |= DTCR_DTMPR; + /* Specify the rank enabled for data-training */ + tmp &= ~DTCR_RANKEN_MASK; + tmp |= (1 << (DTCR_RANKEN_SHIFT + rank)) & DTCR_RANKEN_MASK; + writel(tmp, p); +} + +struct ddrphy_init_sequence { + char *description; + u32 init_flag; + u32 done_flag; + u32 err_flag; +}; + +static const struct ddrphy_init_sequence init_sequence[] = { + { + "DRAM Initialization", + PIR_DRAMRST | PIR_DRAMINIT, + PGSR0_DIDONE, + PGSR0_DIERR + }, + { + "Write Leveling", + PIR_WL, + PGSR0_WLDONE, + PGSR0_WLERR + }, + { + "Read DQS Gate Training", + PIR_QSGATE, + PGSR0_QSGDONE, + PGSR0_QSGERR + }, + { + "Write Leveling Adjustment", + PIR_WLADJ, + PGSR0_WLADONE, + PGSR0_WLAERR + }, + { + "Read Bit Deskew", + PIR_RDDSKW, + PGSR0_RDDONE, + PGSR0_RDERR + }, + { + "Write Bit Deskew", + PIR_WRDSKW, + PGSR0_WDDONE, + PGSR0_WDERR + }, + { + "Read Eye Training", + PIR_RDEYE, + PGSR0_REDONE, + PGSR0_REERR + }, + { + "Write Eye Training", + PIR_WREYE, + PGSR0_WEDONE, + PGSR0_WEERR + } +}; + +int ddrphy_training(struct ddrphy __iomem *phy) +{ + int i; + u32 pgsr0; + u32 init_flag = PIR_INIT; + u32 done_flag = PGSR0_IDONE; + int timeout = 50000; /* 50 msec is long enough */ +#ifdef DISPLAY_ELAPSED_TIME + ulong start = get_timer(0); +#endif + + for (i = 0; i < ARRAY_SIZE(init_sequence); i++) { + init_flag |= init_sequence[i].init_flag; + done_flag |= init_sequence[i].done_flag; + } + + writel(init_flag, &phy->pir); + + do { + if (--timeout < 0) { + printf("%s: error: timeout during DDR training\n", + __func__); + return -ETIMEDOUT; + } + udelay(1); + pgsr0 = readl(&phy->pgsr[0]); + } while ((pgsr0 & done_flag) != done_flag); + + for (i = 0; i < ARRAY_SIZE(init_sequence); i++) { + if (pgsr0 & init_sequence[i].err_flag) { + printf("%s: error: %s failed\n", __func__, + init_sequence[i].description); + return -EIO; + } + } + +#ifdef DISPLAY_ELAPSED_TIME + printf("%s: info: elapsed time %ld msec\n", get_timer(start)); +#endif + + return 0; +} diff --git a/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c b/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c new file mode 100644 index 0000000000..81246850b3 --- /dev/null +++ b/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c @@ -0,0 +1,175 @@ +/* + * Copyright (C) 2011-2015 Masahiro Yamada + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include + +static void umc_start_ssif(void __iomem *ssif_base) +{ + writel(0x00000000, ssif_base + 0x0000b004); + writel(0xffffffff, ssif_base + 0x0000c004); + writel(0x000fffcf, ssif_base + 0x0000c008); + writel(0x00000001, ssif_base + 0x0000b000); + writel(0x00000001, ssif_base + 0x0000c000); + writel(0x03010101, ssif_base + UMC_MDMCHSEL); + writel(0x03010100, ssif_base + UMC_DMDCHSEL); + + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_FETCH); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_WC); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_RC); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_DST); + + writel(0x00000001, ssif_base + UMC_CPURST); + writel(0x00000001, ssif_base + UMC_IDSRST); + writel(0x00000001, ssif_base + UMC_IXMRST); + writel(0x00000001, ssif_base + UMC_MDMRST); + writel(0x00000001, ssif_base + UMC_MDDRST); + writel(0x00000001, ssif_base + UMC_SIORST); + writel(0x00000001, ssif_base + UMC_VIORST); + writel(0x00000001, ssif_base + UMC_FRCRST); + writel(0x00000001, ssif_base + UMC_RGLRST); + writel(0x00000001, ssif_base + UMC_AIORST); + writel(0x00000001, ssif_base + UMC_DMDRST); +} + +static void umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base, + int size, int freq) +{ + if (freq == 1333) { + writel(0x45990b11, dramcont + UMC_CMDCTLA); + writel(0x16958924, dramcont + UMC_CMDCTLB); + writel(0x5101046A, dramcont + UMC_INITCTLA); + + if (size == 1) + writel(0x27028B0A, dramcont + UMC_INITCTLB); + else if (size == 2) + writel(0x38028B0A, dramcont + UMC_INITCTLB); + + writel(0x000FF0FF, dramcont + UMC_INITCTLC); + writel(0x00000b51, dramcont + UMC_DRMMR0); + } else if (freq == 1600) { + writel(0x36BB0F17, dramcont + UMC_CMDCTLA); + writel(0x18C6AA24, dramcont + UMC_CMDCTLB); + writel(0x5101387F, dramcont + UMC_INITCTLA); + + if (size == 1) + writel(0x2F030D3F, dramcont + UMC_INITCTLB); + else if (size == 2) + writel(0x43030D3F, dramcont + UMC_INITCTLB); + + writel(0x00FF00FF, dramcont + UMC_INITCTLC); + writel(0x00000d71, dramcont + UMC_DRMMR0); + } + + writel(0x00000006, dramcont + UMC_DRMMR1); + + if (freq == 1333) + writel(0x00000290, dramcont + UMC_DRMMR2); + else if (freq == 1600) + writel(0x00000298, dramcont + UMC_DRMMR2); + + writel(0x00000800, dramcont + UMC_DRMMR3); + + if (freq == 1333) { + if (size == 1) + writel(0x00240512, dramcont + UMC_SPCCTLA); + else if (size == 2) + writel(0x00350512, dramcont + UMC_SPCCTLA); + + writel(0x00ff0006, dramcont + UMC_SPCCTLB); + writel(0x000a00ac, dramcont + UMC_RDATACTL_D0); + } else if (freq == 1600) { + if (size == 1) + writel(0x002B0617, dramcont + UMC_SPCCTLA); + else if (size == 2) + writel(0x003F0617, dramcont + UMC_SPCCTLA); + + writel(0x00ff0008, dramcont + UMC_SPCCTLB); + writel(0x000c00ae, dramcont + UMC_RDATACTL_D0); + } + + writel(0x04060806, dramcont + UMC_WDATACTL_D0); + writel(0x04a02000, dramcont + UMC_DATASET); + writel(0x00000000, ca_base + 0x2300); + writel(0x00400020, dramcont + UMC_DCCGCTL); + writel(0x00000003, dramcont + 0x7000); + writel(0x0000000f, dramcont + 0x8000); + writel(0x000000c3, dramcont + 0x8004); + writel(0x00000071, dramcont + 0x8008); + writel(0x0000003b, dramcont + UMC_DICGCTLA); + writel(0x020a0808, dramcont + UMC_DICGCTLB); + writel(0x00000004, dramcont + UMC_FLOWCTLG); + writel(0x80000201, ca_base + 0xc20); + writel(0x0801e01e, dramcont + UMC_FLOWCTLA); + writel(0x00200000, dramcont + UMC_FLOWCTLB); + writel(0x00004444, dramcont + UMC_FLOWCTLC); + writel(0x200a0a00, dramcont + UMC_SPCSETB); + writel(0x00000000, dramcont + UMC_SPCSETD); + writel(0x00000520, dramcont + UMC_DFICUPDCTLA); +} + +static int umc_init_sub(int freq, int size_ch0, int size_ch1) +{ + void __iomem *ssif_base = (void __iomem *)UMC_SSIF_BASE; + void __iomem *ca_base0 = (void __iomem *)UMC_CA_BASE(0); + void __iomem *ca_base1 = (void __iomem *)UMC_CA_BASE(1); + void __iomem *dramcont0 = (void __iomem *)UMC_DRAMCONT_BASE(0); + void __iomem *dramcont1 = (void __iomem *)UMC_DRAMCONT_BASE(1); + void __iomem *phy0_0 = (void __iomem *)DDRPHY_BASE(0, 0); + void __iomem *phy1_0 = (void __iomem *)DDRPHY_BASE(1, 0); + + umc_dram_init_start(dramcont0); + umc_dram_init_start(dramcont1); + umc_dram_init_poll(dramcont0); + umc_dram_init_poll(dramcont1); + + writel(0x00000101, dramcont0 + UMC_DIOCTLA); + + ph1_ld4_ddrphy_init(phy0_0, freq, size_ch0); + + ddrphy_prepare_training(phy0_0, 0); + ddrphy_training(phy0_0); + + writel(0x00000101, dramcont1 + UMC_DIOCTLA); + + ph1_ld4_ddrphy_init(phy1_0, freq, size_ch1); + + ddrphy_prepare_training(phy1_0, 1); + ddrphy_training(phy1_0); + + umc_dramcont_init(dramcont0, ca_base0, size_ch0, freq); + umc_dramcont_init(dramcont1, ca_base1, size_ch1, freq); + + umc_start_ssif(ssif_base); + + return 0; +} + +int ph1_ld4_umc_init(const struct uniphier_board_data *bd) +{ + if ((bd->dram_ch0_size == SZ_128M || bd->dram_ch0_size == SZ_256M) && + (bd->dram_ch1_size == SZ_128M || bd->dram_ch1_size == SZ_256M) && + (bd->dram_freq == 1333 || bd->dram_freq == 1600) && + bd->dram_ch0_width == 16 && bd->dram_ch1_width == 16) { + return umc_init_sub(bd->dram_freq, + bd->dram_ch0_size / SZ_128M, + bd->dram_ch1_size / SZ_128M); + } else { + pr_err("Unsupported DDR configuration\n"); + return -EINVAL; + } +} diff --git a/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c b/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c new file mode 100644 index 0000000000..8c9f0579fc --- /dev/null +++ b/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c @@ -0,0 +1,161 @@ +/* + * Copyright (C) 2011-2015 Masahiro Yamada + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include + +static void umc_start_ssif(void __iomem *ssif_base) +{ + writel(0x00000001, ssif_base + 0x0000b004); + writel(0xffffffff, ssif_base + 0x0000c004); + writel(0x07ffffff, ssif_base + 0x0000c008); + writel(0x00000001, ssif_base + 0x0000b000); + writel(0x00000001, ssif_base + 0x0000c000); + + writel(0x03010100, ssif_base + UMC_HDMCHSEL); + writel(0x03010101, ssif_base + UMC_MDMCHSEL); + writel(0x03010100, ssif_base + UMC_DVCCHSEL); + writel(0x03010100, ssif_base + UMC_DMDCHSEL); + + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_FETCH); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_WC); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_RC); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_DST); + writel(0x00000000, ssif_base + 0x0000c044); /* DCGIV_SSIF_REG */ + + writel(0x00000001, ssif_base + UMC_CPURST); + writel(0x00000001, ssif_base + UMC_IDSRST); + writel(0x00000001, ssif_base + UMC_IXMRST); + writel(0x00000001, ssif_base + UMC_HDMRST); + writel(0x00000001, ssif_base + UMC_MDMRST); + writel(0x00000001, ssif_base + UMC_HDDRST); + writel(0x00000001, ssif_base + UMC_MDDRST); + writel(0x00000001, ssif_base + UMC_SIORST); + writel(0x00000001, ssif_base + UMC_GIORST); + writel(0x00000001, ssif_base + UMC_HD2RST); + writel(0x00000001, ssif_base + UMC_VIORST); + writel(0x00000001, ssif_base + UMC_DVCRST); + writel(0x00000001, ssif_base + UMC_RGLRST); + writel(0x00000001, ssif_base + UMC_VPERST); + writel(0x00000001, ssif_base + UMC_AIORST); + writel(0x00000001, ssif_base + UMC_DMDRST); +} + +static void umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base, + int size, int freq) +{ + writel(0x66bb0f17, dramcont + UMC_CMDCTLA); + writel(0x18c6aa44, dramcont + UMC_CMDCTLB); + writel(0x5101387f, dramcont + UMC_INITCTLA); + writel(0x43030d3f, dramcont + UMC_INITCTLB); + writel(0x00ff00ff, dramcont + UMC_INITCTLC); + writel(0x00000d71, dramcont + UMC_DRMMR0); + writel(0x00000006, dramcont + UMC_DRMMR1); + writel(0x00000298, dramcont + UMC_DRMMR2); + writel(0x00000000, dramcont + UMC_DRMMR3); + writel(0x003f0617, dramcont + UMC_SPCCTLA); + writel(0x00ff0008, dramcont + UMC_SPCCTLB); + writel(0x000c00ae, dramcont + UMC_RDATACTL_D0); + writel(0x000c00ae, dramcont + UMC_RDATACTL_D1); + writel(0x04060802, dramcont + UMC_WDATACTL_D0); + writel(0x04060802, dramcont + UMC_WDATACTL_D1); + writel(0x04a02000, dramcont + UMC_DATASET); + writel(0x00000000, ca_base + 0x2300); + writel(0x00400020, dramcont + UMC_DCCGCTL); + writel(0x0000000f, dramcont + 0x7000); + writel(0x0000000f, dramcont + 0x8000); + writel(0x000000c3, dramcont + 0x8004); + writel(0x00000071, dramcont + 0x8008); + writel(0x00000004, dramcont + UMC_FLOWCTLG); + writel(0x00000000, dramcont + 0x0060); + writel(0x80000201, ca_base + 0xc20); + writel(0x0801e01e, dramcont + UMC_FLOWCTLA); + writel(0x00200000, dramcont + UMC_FLOWCTLB); + writel(0x00004444, dramcont + UMC_FLOWCTLC); + writel(0x200a0a00, dramcont + UMC_SPCSETB); + writel(0x00010000, dramcont + UMC_SPCSETD); + writel(0x80000020, dramcont + UMC_DFICUPDCTLA); +} + +static int umc_init_sub(int freq, int size_ch0, int size_ch1) +{ + void __iomem *ssif_base = (void __iomem *)UMC_SSIF_BASE; + void __iomem *ca_base0 = (void __iomem *)UMC_CA_BASE(0); + void __iomem *ca_base1 = (void __iomem *)UMC_CA_BASE(1); + void __iomem *dramcont0 = (void __iomem *)UMC_DRAMCONT_BASE(0); + void __iomem *dramcont1 = (void __iomem *)UMC_DRAMCONT_BASE(1); + void __iomem *phy0_0 = (void __iomem *)DDRPHY_BASE(0, 0); + void __iomem *phy0_1 = (void __iomem *)DDRPHY_BASE(0, 1); + void __iomem *phy1_0 = (void __iomem *)DDRPHY_BASE(1, 0); + void __iomem *phy1_1 = (void __iomem *)DDRPHY_BASE(1, 1); + + umc_dram_init_start(dramcont0); + umc_dram_init_start(dramcont1); + umc_dram_init_poll(dramcont0); + umc_dram_init_poll(dramcont1); + + writel(0x00000101, dramcont0 + UMC_DIOCTLA); + + ph1_pro4_ddrphy_init(phy0_0, freq, size_ch0); + + ddrphy_prepare_training(phy0_0, 0); + ddrphy_training(phy0_0); + + writel(0x00000103, dramcont0 + UMC_DIOCTLA); + + ph1_pro4_ddrphy_init(phy0_1, freq, size_ch0); + + ddrphy_prepare_training(phy0_1, 1); + ddrphy_training(phy0_1); + + writel(0x00000101, dramcont1 + UMC_DIOCTLA); + + ph1_pro4_ddrphy_init(phy1_0, freq, size_ch1); + + ddrphy_prepare_training(phy1_0, 0); + ddrphy_training(phy1_0); + + writel(0x00000103, dramcont1 + UMC_DIOCTLA); + + ph1_pro4_ddrphy_init(phy1_1, freq, size_ch1); + + ddrphy_prepare_training(phy1_1, 1); + ddrphy_training(phy1_1); + + umc_dramcont_init(dramcont0, ca_base0, size_ch0, freq); + umc_dramcont_init(dramcont1, ca_base1, size_ch1, freq); + + umc_start_ssif(ssif_base); + + return 0; +} + +int ph1_pro4_umc_init(const struct uniphier_board_data *bd) +{ + if (((bd->dram_ch0_size == SZ_512M && bd->dram_ch0_width == 32) || + (bd->dram_ch0_size == SZ_256M && bd->dram_ch0_width == 16)) && + ((bd->dram_ch1_size == SZ_512M && bd->dram_ch1_width == 32) || + (bd->dram_ch1_size == SZ_256M && bd->dram_ch1_width == 16)) && + bd->dram_freq == 1600) { + return umc_init_sub(bd->dram_freq, + bd->dram_ch0_size / SZ_128M, + bd->dram_ch1_size / SZ_128M); + } else { + pr_err("Unsupported DDR configuration\n"); + return -EINVAL; + } +} diff --git a/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c b/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c new file mode 100644 index 0000000000..bc60a3472e --- /dev/null +++ b/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c @@ -0,0 +1,155 @@ +/* + * Copyright (C) 2011-2015 Masahiro Yamada + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include + +static void umc_start_ssif(void __iomem *ssif_base) +{ + writel(0x00000000, ssif_base + 0x0000b004); + writel(0xffffffff, ssif_base + 0x0000c004); + writel(0x000fffcf, ssif_base + 0x0000c008); + writel(0x00000001, ssif_base + 0x0000b000); + writel(0x00000001, ssif_base + 0x0000c000); + writel(0x03010101, ssif_base + UMC_MDMCHSEL); + writel(0x03010100, ssif_base + UMC_DMDCHSEL); + + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_FETCH); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_WC); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_RC); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_DST); + + writel(0x00000001, ssif_base + UMC_CPURST); + writel(0x00000001, ssif_base + UMC_IDSRST); + writel(0x00000001, ssif_base + UMC_IXMRST); + writel(0x00000001, ssif_base + UMC_MDMRST); + writel(0x00000001, ssif_base + UMC_MDDRST); + writel(0x00000001, ssif_base + UMC_SIORST); + writel(0x00000001, ssif_base + UMC_VIORST); + writel(0x00000001, ssif_base + UMC_FRCRST); + writel(0x00000001, ssif_base + UMC_RGLRST); + writel(0x00000001, ssif_base + UMC_AIORST); + writel(0x00000001, ssif_base + UMC_DMDRST); +} + +static void umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base, + int size, int freq) +{ +#ifdef CONFIG_DDR_STANDARD + writel(0x55990b11, dramcont + UMC_CMDCTLA); + writel(0x16958944, dramcont + UMC_CMDCTLB); +#else + writel(0x45990b11, dramcont + UMC_CMDCTLA); + writel(0x16958924, dramcont + UMC_CMDCTLB); +#endif + + writel(0x5101046A, dramcont + UMC_INITCTLA); + + if (size == 1) + writel(0x27028B0A, dramcont + UMC_INITCTLB); + else if (size == 2) + writel(0x38028B0A, dramcont + UMC_INITCTLB); + + writel(0x00FF00FF, dramcont + UMC_INITCTLC); + writel(0x00000b51, dramcont + UMC_DRMMR0); + writel(0x00000006, dramcont + UMC_DRMMR1); + writel(0x00000290, dramcont + UMC_DRMMR2); + +#ifdef CONFIG_DDR_STANDARD + writel(0x00000000, dramcont + UMC_DRMMR3); +#else + writel(0x00000800, dramcont + UMC_DRMMR3); +#endif + + if (size == 1) + writel(0x00240512, dramcont + UMC_SPCCTLA); + else if (size == 2) + writel(0x00350512, dramcont + UMC_SPCCTLA); + + writel(0x00ff0006, dramcont + UMC_SPCCTLB); + writel(0x000a00ac, dramcont + UMC_RDATACTL_D0); + writel(0x04060806, dramcont + UMC_WDATACTL_D0); + writel(0x04a02000, dramcont + UMC_DATASET); + writel(0x00000000, ca_base + 0x2300); + writel(0x00400020, dramcont + UMC_DCCGCTL); + writel(0x00000003, dramcont + 0x7000); + writel(0x0000004f, dramcont + 0x8000); + writel(0x000000c3, dramcont + 0x8004); + writel(0x00000077, dramcont + 0x8008); + writel(0x0000003b, dramcont + UMC_DICGCTLA); + writel(0x020a0808, dramcont + UMC_DICGCTLB); + writel(0x00000004, dramcont + UMC_FLOWCTLG); + writel(0x80000201, ca_base + 0xc20); + writel(0x0801e01e, dramcont + UMC_FLOWCTLA); + writel(0x00200000, dramcont + UMC_FLOWCTLB); + writel(0x00004444, dramcont + UMC_FLOWCTLC); + writel(0x200a0a00, dramcont + UMC_SPCSETB); + writel(0x00000000, dramcont + UMC_SPCSETD); + writel(0x00000520, dramcont + UMC_DFICUPDCTLA); +} + +static int umc_init_sub(int freq, int size_ch0, int size_ch1) +{ + void __iomem *ssif_base = (void __iomem *)UMC_SSIF_BASE; + void __iomem *ca_base0 = (void __iomem *)UMC_CA_BASE(0); + void __iomem *ca_base1 = (void __iomem *)UMC_CA_BASE(1); + void __iomem *dramcont0 = (void __iomem *)UMC_DRAMCONT_BASE(0); + void __iomem *dramcont1 = (void __iomem *)UMC_DRAMCONT_BASE(1); + void __iomem *phy0_0 = (void __iomem *)DDRPHY_BASE(0, 0); + void __iomem *phy1_0 = (void __iomem *)DDRPHY_BASE(1, 0); + + umc_dram_init_start(dramcont0); + umc_dram_init_start(dramcont1); + umc_dram_init_poll(dramcont0); + umc_dram_init_poll(dramcont1); + + writel(0x00000101, dramcont0 + UMC_DIOCTLA); + + ph1_sld8_ddrphy_init(phy0_0, freq, size_ch0); + + ddrphy_prepare_training(phy0_0, 0); + ddrphy_training(phy0_0); + + writel(0x00000101, dramcont1 + UMC_DIOCTLA); + + ph1_sld8_ddrphy_init(phy1_0, freq, size_ch1); + + ddrphy_prepare_training(phy1_0, 1); + ddrphy_training(phy1_0); + + umc_dramcont_init(dramcont0, ca_base0, size_ch0, freq); + umc_dramcont_init(dramcont1, ca_base1, size_ch1, freq); + + umc_start_ssif(ssif_base); + + return 0; +} + +int ph1_sld8_umc_init(const struct uniphier_board_data *bd) +{ + if ((bd->dram_ch0_size == SZ_128M || bd->dram_ch0_size == SZ_256M) && + (bd->dram_ch1_size == SZ_128M || bd->dram_ch1_size == SZ_256M) && + bd->dram_freq == 1333 && + bd->dram_ch0_width == 16 && bd->dram_ch1_width == 16) { + return umc_init_sub(bd->dram_freq, + bd->dram_ch0_size / SZ_128M, + bd->dram_ch1_size / SZ_128M); + } else { + pr_err("Unsupported DDR configuration\n"); + return -EINVAL; + } +} diff --git a/arch/arm/mach-uniphier/umc/Makefile b/arch/arm/mach-uniphier/umc/Makefile deleted file mode 100644 index 89b2dec118..0000000000 --- a/arch/arm/mach-uniphier/umc/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD4) += umc-ph1-ld4.o -obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO4) += umc-ph1-pro4.o -obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD8) += umc-ph1-sld8.o diff --git a/arch/arm/mach-uniphier/umc/umc-ph1-ld4.c b/arch/arm/mach-uniphier/umc/umc-ph1-ld4.c deleted file mode 100644 index 81246850b3..0000000000 --- a/arch/arm/mach-uniphier/umc/umc-ph1-ld4.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * Copyright (C) 2011-2015 Masahiro Yamada - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include -#include -#include -#include -#include - -static void umc_start_ssif(void __iomem *ssif_base) -{ - writel(0x00000000, ssif_base + 0x0000b004); - writel(0xffffffff, ssif_base + 0x0000c004); - writel(0x000fffcf, ssif_base + 0x0000c008); - writel(0x00000001, ssif_base + 0x0000b000); - writel(0x00000001, ssif_base + 0x0000c000); - writel(0x03010101, ssif_base + UMC_MDMCHSEL); - writel(0x03010100, ssif_base + UMC_DMDCHSEL); - - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_FETCH); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE0); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC0); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC0); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE1); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC1); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC1); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_WC); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_RC); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_DST); - - writel(0x00000001, ssif_base + UMC_CPURST); - writel(0x00000001, ssif_base + UMC_IDSRST); - writel(0x00000001, ssif_base + UMC_IXMRST); - writel(0x00000001, ssif_base + UMC_MDMRST); - writel(0x00000001, ssif_base + UMC_MDDRST); - writel(0x00000001, ssif_base + UMC_SIORST); - writel(0x00000001, ssif_base + UMC_VIORST); - writel(0x00000001, ssif_base + UMC_FRCRST); - writel(0x00000001, ssif_base + UMC_RGLRST); - writel(0x00000001, ssif_base + UMC_AIORST); - writel(0x00000001, ssif_base + UMC_DMDRST); -} - -static void umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base, - int size, int freq) -{ - if (freq == 1333) { - writel(0x45990b11, dramcont + UMC_CMDCTLA); - writel(0x16958924, dramcont + UMC_CMDCTLB); - writel(0x5101046A, dramcont + UMC_INITCTLA); - - if (size == 1) - writel(0x27028B0A, dramcont + UMC_INITCTLB); - else if (size == 2) - writel(0x38028B0A, dramcont + UMC_INITCTLB); - - writel(0x000FF0FF, dramcont + UMC_INITCTLC); - writel(0x00000b51, dramcont + UMC_DRMMR0); - } else if (freq == 1600) { - writel(0x36BB0F17, dramcont + UMC_CMDCTLA); - writel(0x18C6AA24, dramcont + UMC_CMDCTLB); - writel(0x5101387F, dramcont + UMC_INITCTLA); - - if (size == 1) - writel(0x2F030D3F, dramcont + UMC_INITCTLB); - else if (size == 2) - writel(0x43030D3F, dramcont + UMC_INITCTLB); - - writel(0x00FF00FF, dramcont + UMC_INITCTLC); - writel(0x00000d71, dramcont + UMC_DRMMR0); - } - - writel(0x00000006, dramcont + UMC_DRMMR1); - - if (freq == 1333) - writel(0x00000290, dramcont + UMC_DRMMR2); - else if (freq == 1600) - writel(0x00000298, dramcont + UMC_DRMMR2); - - writel(0x00000800, dramcont + UMC_DRMMR3); - - if (freq == 1333) { - if (size == 1) - writel(0x00240512, dramcont + UMC_SPCCTLA); - else if (size == 2) - writel(0x00350512, dramcont + UMC_SPCCTLA); - - writel(0x00ff0006, dramcont + UMC_SPCCTLB); - writel(0x000a00ac, dramcont + UMC_RDATACTL_D0); - } else if (freq == 1600) { - if (size == 1) - writel(0x002B0617, dramcont + UMC_SPCCTLA); - else if (size == 2) - writel(0x003F0617, dramcont + UMC_SPCCTLA); - - writel(0x00ff0008, dramcont + UMC_SPCCTLB); - writel(0x000c00ae, dramcont + UMC_RDATACTL_D0); - } - - writel(0x04060806, dramcont + UMC_WDATACTL_D0); - writel(0x04a02000, dramcont + UMC_DATASET); - writel(0x00000000, ca_base + 0x2300); - writel(0x00400020, dramcont + UMC_DCCGCTL); - writel(0x00000003, dramcont + 0x7000); - writel(0x0000000f, dramcont + 0x8000); - writel(0x000000c3, dramcont + 0x8004); - writel(0x00000071, dramcont + 0x8008); - writel(0x0000003b, dramcont + UMC_DICGCTLA); - writel(0x020a0808, dramcont + UMC_DICGCTLB); - writel(0x00000004, dramcont + UMC_FLOWCTLG); - writel(0x80000201, ca_base + 0xc20); - writel(0x0801e01e, dramcont + UMC_FLOWCTLA); - writel(0x00200000, dramcont + UMC_FLOWCTLB); - writel(0x00004444, dramcont + UMC_FLOWCTLC); - writel(0x200a0a00, dramcont + UMC_SPCSETB); - writel(0x00000000, dramcont + UMC_SPCSETD); - writel(0x00000520, dramcont + UMC_DFICUPDCTLA); -} - -static int umc_init_sub(int freq, int size_ch0, int size_ch1) -{ - void __iomem *ssif_base = (void __iomem *)UMC_SSIF_BASE; - void __iomem *ca_base0 = (void __iomem *)UMC_CA_BASE(0); - void __iomem *ca_base1 = (void __iomem *)UMC_CA_BASE(1); - void __iomem *dramcont0 = (void __iomem *)UMC_DRAMCONT_BASE(0); - void __iomem *dramcont1 = (void __iomem *)UMC_DRAMCONT_BASE(1); - void __iomem *phy0_0 = (void __iomem *)DDRPHY_BASE(0, 0); - void __iomem *phy1_0 = (void __iomem *)DDRPHY_BASE(1, 0); - - umc_dram_init_start(dramcont0); - umc_dram_init_start(dramcont1); - umc_dram_init_poll(dramcont0); - umc_dram_init_poll(dramcont1); - - writel(0x00000101, dramcont0 + UMC_DIOCTLA); - - ph1_ld4_ddrphy_init(phy0_0, freq, size_ch0); - - ddrphy_prepare_training(phy0_0, 0); - ddrphy_training(phy0_0); - - writel(0x00000101, dramcont1 + UMC_DIOCTLA); - - ph1_ld4_ddrphy_init(phy1_0, freq, size_ch1); - - ddrphy_prepare_training(phy1_0, 1); - ddrphy_training(phy1_0); - - umc_dramcont_init(dramcont0, ca_base0, size_ch0, freq); - umc_dramcont_init(dramcont1, ca_base1, size_ch1, freq); - - umc_start_ssif(ssif_base); - - return 0; -} - -int ph1_ld4_umc_init(const struct uniphier_board_data *bd) -{ - if ((bd->dram_ch0_size == SZ_128M || bd->dram_ch0_size == SZ_256M) && - (bd->dram_ch1_size == SZ_128M || bd->dram_ch1_size == SZ_256M) && - (bd->dram_freq == 1333 || bd->dram_freq == 1600) && - bd->dram_ch0_width == 16 && bd->dram_ch1_width == 16) { - return umc_init_sub(bd->dram_freq, - bd->dram_ch0_size / SZ_128M, - bd->dram_ch1_size / SZ_128M); - } else { - pr_err("Unsupported DDR configuration\n"); - return -EINVAL; - } -} diff --git a/arch/arm/mach-uniphier/umc/umc-ph1-pro4.c b/arch/arm/mach-uniphier/umc/umc-ph1-pro4.c deleted file mode 100644 index 8c9f0579fc..0000000000 --- a/arch/arm/mach-uniphier/umc/umc-ph1-pro4.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - * Copyright (C) 2011-2015 Masahiro Yamada - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include -#include -#include -#include -#include - -static void umc_start_ssif(void __iomem *ssif_base) -{ - writel(0x00000001, ssif_base + 0x0000b004); - writel(0xffffffff, ssif_base + 0x0000c004); - writel(0x07ffffff, ssif_base + 0x0000c008); - writel(0x00000001, ssif_base + 0x0000b000); - writel(0x00000001, ssif_base + 0x0000c000); - - writel(0x03010100, ssif_base + UMC_HDMCHSEL); - writel(0x03010101, ssif_base + UMC_MDMCHSEL); - writel(0x03010100, ssif_base + UMC_DVCCHSEL); - writel(0x03010100, ssif_base + UMC_DMDCHSEL); - - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_FETCH); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE0); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC0); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC0); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE1); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC1); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC1); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_WC); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_RC); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_DST); - writel(0x00000000, ssif_base + 0x0000c044); /* DCGIV_SSIF_REG */ - - writel(0x00000001, ssif_base + UMC_CPURST); - writel(0x00000001, ssif_base + UMC_IDSRST); - writel(0x00000001, ssif_base + UMC_IXMRST); - writel(0x00000001, ssif_base + UMC_HDMRST); - writel(0x00000001, ssif_base + UMC_MDMRST); - writel(0x00000001, ssif_base + UMC_HDDRST); - writel(0x00000001, ssif_base + UMC_MDDRST); - writel(0x00000001, ssif_base + UMC_SIORST); - writel(0x00000001, ssif_base + UMC_GIORST); - writel(0x00000001, ssif_base + UMC_HD2RST); - writel(0x00000001, ssif_base + UMC_VIORST); - writel(0x00000001, ssif_base + UMC_DVCRST); - writel(0x00000001, ssif_base + UMC_RGLRST); - writel(0x00000001, ssif_base + UMC_VPERST); - writel(0x00000001, ssif_base + UMC_AIORST); - writel(0x00000001, ssif_base + UMC_DMDRST); -} - -static void umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base, - int size, int freq) -{ - writel(0x66bb0f17, dramcont + UMC_CMDCTLA); - writel(0x18c6aa44, dramcont + UMC_CMDCTLB); - writel(0x5101387f, dramcont + UMC_INITCTLA); - writel(0x43030d3f, dramcont + UMC_INITCTLB); - writel(0x00ff00ff, dramcont + UMC_INITCTLC); - writel(0x00000d71, dramcont + UMC_DRMMR0); - writel(0x00000006, dramcont + UMC_DRMMR1); - writel(0x00000298, dramcont + UMC_DRMMR2); - writel(0x00000000, dramcont + UMC_DRMMR3); - writel(0x003f0617, dramcont + UMC_SPCCTLA); - writel(0x00ff0008, dramcont + UMC_SPCCTLB); - writel(0x000c00ae, dramcont + UMC_RDATACTL_D0); - writel(0x000c00ae, dramcont + UMC_RDATACTL_D1); - writel(0x04060802, dramcont + UMC_WDATACTL_D0); - writel(0x04060802, dramcont + UMC_WDATACTL_D1); - writel(0x04a02000, dramcont + UMC_DATASET); - writel(0x00000000, ca_base + 0x2300); - writel(0x00400020, dramcont + UMC_DCCGCTL); - writel(0x0000000f, dramcont + 0x7000); - writel(0x0000000f, dramcont + 0x8000); - writel(0x000000c3, dramcont + 0x8004); - writel(0x00000071, dramcont + 0x8008); - writel(0x00000004, dramcont + UMC_FLOWCTLG); - writel(0x00000000, dramcont + 0x0060); - writel(0x80000201, ca_base + 0xc20); - writel(0x0801e01e, dramcont + UMC_FLOWCTLA); - writel(0x00200000, dramcont + UMC_FLOWCTLB); - writel(0x00004444, dramcont + UMC_FLOWCTLC); - writel(0x200a0a00, dramcont + UMC_SPCSETB); - writel(0x00010000, dramcont + UMC_SPCSETD); - writel(0x80000020, dramcont + UMC_DFICUPDCTLA); -} - -static int umc_init_sub(int freq, int size_ch0, int size_ch1) -{ - void __iomem *ssif_base = (void __iomem *)UMC_SSIF_BASE; - void __iomem *ca_base0 = (void __iomem *)UMC_CA_BASE(0); - void __iomem *ca_base1 = (void __iomem *)UMC_CA_BASE(1); - void __iomem *dramcont0 = (void __iomem *)UMC_DRAMCONT_BASE(0); - void __iomem *dramcont1 = (void __iomem *)UMC_DRAMCONT_BASE(1); - void __iomem *phy0_0 = (void __iomem *)DDRPHY_BASE(0, 0); - void __iomem *phy0_1 = (void __iomem *)DDRPHY_BASE(0, 1); - void __iomem *phy1_0 = (void __iomem *)DDRPHY_BASE(1, 0); - void __iomem *phy1_1 = (void __iomem *)DDRPHY_BASE(1, 1); - - umc_dram_init_start(dramcont0); - umc_dram_init_start(dramcont1); - umc_dram_init_poll(dramcont0); - umc_dram_init_poll(dramcont1); - - writel(0x00000101, dramcont0 + UMC_DIOCTLA); - - ph1_pro4_ddrphy_init(phy0_0, freq, size_ch0); - - ddrphy_prepare_training(phy0_0, 0); - ddrphy_training(phy0_0); - - writel(0x00000103, dramcont0 + UMC_DIOCTLA); - - ph1_pro4_ddrphy_init(phy0_1, freq, size_ch0); - - ddrphy_prepare_training(phy0_1, 1); - ddrphy_training(phy0_1); - - writel(0x00000101, dramcont1 + UMC_DIOCTLA); - - ph1_pro4_ddrphy_init(phy1_0, freq, size_ch1); - - ddrphy_prepare_training(phy1_0, 0); - ddrphy_training(phy1_0); - - writel(0x00000103, dramcont1 + UMC_DIOCTLA); - - ph1_pro4_ddrphy_init(phy1_1, freq, size_ch1); - - ddrphy_prepare_training(phy1_1, 1); - ddrphy_training(phy1_1); - - umc_dramcont_init(dramcont0, ca_base0, size_ch0, freq); - umc_dramcont_init(dramcont1, ca_base1, size_ch1, freq); - - umc_start_ssif(ssif_base); - - return 0; -} - -int ph1_pro4_umc_init(const struct uniphier_board_data *bd) -{ - if (((bd->dram_ch0_size == SZ_512M && bd->dram_ch0_width == 32) || - (bd->dram_ch0_size == SZ_256M && bd->dram_ch0_width == 16)) && - ((bd->dram_ch1_size == SZ_512M && bd->dram_ch1_width == 32) || - (bd->dram_ch1_size == SZ_256M && bd->dram_ch1_width == 16)) && - bd->dram_freq == 1600) { - return umc_init_sub(bd->dram_freq, - bd->dram_ch0_size / SZ_128M, - bd->dram_ch1_size / SZ_128M); - } else { - pr_err("Unsupported DDR configuration\n"); - return -EINVAL; - } -} diff --git a/arch/arm/mach-uniphier/umc/umc-ph1-sld8.c b/arch/arm/mach-uniphier/umc/umc-ph1-sld8.c deleted file mode 100644 index bc60a3472e..0000000000 --- a/arch/arm/mach-uniphier/umc/umc-ph1-sld8.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - * Copyright (C) 2011-2015 Masahiro Yamada - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include -#include -#include -#include -#include - -static void umc_start_ssif(void __iomem *ssif_base) -{ - writel(0x00000000, ssif_base + 0x0000b004); - writel(0xffffffff, ssif_base + 0x0000c004); - writel(0x000fffcf, ssif_base + 0x0000c008); - writel(0x00000001, ssif_base + 0x0000b000); - writel(0x00000001, ssif_base + 0x0000c000); - writel(0x03010101, ssif_base + UMC_MDMCHSEL); - writel(0x03010100, ssif_base + UMC_DMDCHSEL); - - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_FETCH); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE0); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC0); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC0); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE1); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC1); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC1); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_WC); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_RC); - writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_DST); - - writel(0x00000001, ssif_base + UMC_CPURST); - writel(0x00000001, ssif_base + UMC_IDSRST); - writel(0x00000001, ssif_base + UMC_IXMRST); - writel(0x00000001, ssif_base + UMC_MDMRST); - writel(0x00000001, ssif_base + UMC_MDDRST); - writel(0x00000001, ssif_base + UMC_SIORST); - writel(0x00000001, ssif_base + UMC_VIORST); - writel(0x00000001, ssif_base + UMC_FRCRST); - writel(0x00000001, ssif_base + UMC_RGLRST); - writel(0x00000001, ssif_base + UMC_AIORST); - writel(0x00000001, ssif_base + UMC_DMDRST); -} - -static void umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base, - int size, int freq) -{ -#ifdef CONFIG_DDR_STANDARD - writel(0x55990b11, dramcont + UMC_CMDCTLA); - writel(0x16958944, dramcont + UMC_CMDCTLB); -#else - writel(0x45990b11, dramcont + UMC_CMDCTLA); - writel(0x16958924, dramcont + UMC_CMDCTLB); -#endif - - writel(0x5101046A, dramcont + UMC_INITCTLA); - - if (size == 1) - writel(0x27028B0A, dramcont + UMC_INITCTLB); - else if (size == 2) - writel(0x38028B0A, dramcont + UMC_INITCTLB); - - writel(0x00FF00FF, dramcont + UMC_INITCTLC); - writel(0x00000b51, dramcont + UMC_DRMMR0); - writel(0x00000006, dramcont + UMC_DRMMR1); - writel(0x00000290, dramcont + UMC_DRMMR2); - -#ifdef CONFIG_DDR_STANDARD - writel(0x00000000, dramcont + UMC_DRMMR3); -#else - writel(0x00000800, dramcont + UMC_DRMMR3); -#endif - - if (size == 1) - writel(0x00240512, dramcont + UMC_SPCCTLA); - else if (size == 2) - writel(0x00350512, dramcont + UMC_SPCCTLA); - - writel(0x00ff0006, dramcont + UMC_SPCCTLB); - writel(0x000a00ac, dramcont + UMC_RDATACTL_D0); - writel(0x04060806, dramcont + UMC_WDATACTL_D0); - writel(0x04a02000, dramcont + UMC_DATASET); - writel(0x00000000, ca_base + 0x2300); - writel(0x00400020, dramcont + UMC_DCCGCTL); - writel(0x00000003, dramcont + 0x7000); - writel(0x0000004f, dramcont + 0x8000); - writel(0x000000c3, dramcont + 0x8004); - writel(0x00000077, dramcont + 0x8008); - writel(0x0000003b, dramcont + UMC_DICGCTLA); - writel(0x020a0808, dramcont + UMC_DICGCTLB); - writel(0x00000004, dramcont + UMC_FLOWCTLG); - writel(0x80000201, ca_base + 0xc20); - writel(0x0801e01e, dramcont + UMC_FLOWCTLA); - writel(0x00200000, dramcont + UMC_FLOWCTLB); - writel(0x00004444, dramcont + UMC_FLOWCTLC); - writel(0x200a0a00, dramcont + UMC_SPCSETB); - writel(0x00000000, dramcont + UMC_SPCSETD); - writel(0x00000520, dramcont + UMC_DFICUPDCTLA); -} - -static int umc_init_sub(int freq, int size_ch0, int size_ch1) -{ - void __iomem *ssif_base = (void __iomem *)UMC_SSIF_BASE; - void __iomem *ca_base0 = (void __iomem *)UMC_CA_BASE(0); - void __iomem *ca_base1 = (void __iomem *)UMC_CA_BASE(1); - void __iomem *dramcont0 = (void __iomem *)UMC_DRAMCONT_BASE(0); - void __iomem *dramcont1 = (void __iomem *)UMC_DRAMCONT_BASE(1); - void __iomem *phy0_0 = (void __iomem *)DDRPHY_BASE(0, 0); - void __iomem *phy1_0 = (void __iomem *)DDRPHY_BASE(1, 0); - - umc_dram_init_start(dramcont0); - umc_dram_init_start(dramcont1); - umc_dram_init_poll(dramcont0); - umc_dram_init_poll(dramcont1); - - writel(0x00000101, dramcont0 + UMC_DIOCTLA); - - ph1_sld8_ddrphy_init(phy0_0, freq, size_ch0); - - ddrphy_prepare_training(phy0_0, 0); - ddrphy_training(phy0_0); - - writel(0x00000101, dramcont1 + UMC_DIOCTLA); - - ph1_sld8_ddrphy_init(phy1_0, freq, size_ch1); - - ddrphy_prepare_training(phy1_0, 1); - ddrphy_training(phy1_0); - - umc_dramcont_init(dramcont0, ca_base0, size_ch0, freq); - umc_dramcont_init(dramcont1, ca_base1, size_ch1, freq); - - umc_start_ssif(ssif_base); - - return 0; -} - -int ph1_sld8_umc_init(const struct uniphier_board_data *bd) -{ - if ((bd->dram_ch0_size == SZ_128M || bd->dram_ch0_size == SZ_256M) && - (bd->dram_ch1_size == SZ_128M || bd->dram_ch1_size == SZ_256M) && - bd->dram_freq == 1333 && - bd->dram_ch0_width == 16 && bd->dram_ch1_width == 16) { - return umc_init_sub(bd->dram_freq, - bd->dram_ch0_size / SZ_128M, - bd->dram_ch1_size / SZ_128M); - } else { - pr_err("Unsupported DDR configuration\n"); - return -EINVAL; - } -} -- cgit v1.2.1