Add driver for StarFive JH7110 to support ddr initialization in SPL.
Signed-off-by: Yanhong Wang yanhong.wang@starfivetech.com --- drivers/ram/Kconfig | 1 + drivers/ram/Makefile | 4 +- drivers/ram/starfive/Kconfig | 5 + drivers/ram/starfive/Makefile | 11 + drivers/ram/starfive/ddrcsr_boot.c | 339 +++++ drivers/ram/starfive/ddrphy_start.c | 279 ++++ drivers/ram/starfive/ddrphy_train.c | 383 ++++++ drivers/ram/starfive/ddrphy_utils.c | 1955 +++++++++++++++++++++++++++ drivers/ram/starfive/starfive_ddr.c | 161 +++ drivers/ram/starfive/starfive_ddr.h | 65 + 10 files changed, 3202 insertions(+), 1 deletion(-) create mode 100644 drivers/ram/starfive/Kconfig create mode 100644 drivers/ram/starfive/Makefile create mode 100644 drivers/ram/starfive/ddrcsr_boot.c create mode 100644 drivers/ram/starfive/ddrphy_start.c create mode 100644 drivers/ram/starfive/ddrphy_train.c create mode 100644 drivers/ram/starfive/ddrphy_utils.c create mode 100644 drivers/ram/starfive/starfive_ddr.c create mode 100644 drivers/ram/starfive/starfive_ddr.h
diff --git a/drivers/ram/Kconfig b/drivers/ram/Kconfig index e085119963..1acf212f87 100644 --- a/drivers/ram/Kconfig +++ b/drivers/ram/Kconfig @@ -112,3 +112,4 @@ source "drivers/ram/rockchip/Kconfig" source "drivers/ram/sifive/Kconfig" source "drivers/ram/stm32mp1/Kconfig" source "drivers/ram/octeon/Kconfig" +source "drivers/ram/starfive/Kconfig" diff --git a/drivers/ram/Makefile b/drivers/ram/Makefile index 5a39611349..f709893fa2 100644 --- a/drivers/ram/Makefile +++ b/drivers/ram/Makefile @@ -20,5 +20,7 @@ obj-$(CONFIG_K3_DDRSS) += k3-ddrss/ obj-$(CONFIG_IMXRT_SDRAM) += imxrt_sdram.o
obj-$(CONFIG_RAM_SIFIVE) += sifive/ - +ifdef CONFIG_SPL_BUILD +obj-$(CONFIG_SPL_STARFIVE_DDR) += starfive/ +endif obj-$(CONFIG_ARCH_OCTEON) += octeon/ diff --git a/drivers/ram/starfive/Kconfig b/drivers/ram/starfive/Kconfig new file mode 100644 index 0000000000..80c790066f --- /dev/null +++ b/drivers/ram/starfive/Kconfig @@ -0,0 +1,5 @@ +config SPL_STARFIVE_DDR + bool "StarFive DDR driver in SPL" + depends on SPL_RAM && STARFIVE_JH7110 + help + This enables DDR support for the platforms based on StarFive JH7110 SoC. diff --git a/drivers/ram/starfive/Makefile b/drivers/ram/starfive/Makefile new file mode 100644 index 0000000000..1df42c377b --- /dev/null +++ b/drivers/ram/starfive/Makefile @@ -0,0 +1,11 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (c) 2022 StarFive, Inc +# +ifdef CONFIG_SPL_BUILD +obj-$(CONFIG_SPL_STARFIVE_DDR) += ddrphy_start.o +obj-$(CONFIG_SPL_STARFIVE_DDR) += ddrphy_train.o +obj-$(CONFIG_SPL_STARFIVE_DDR) += starfive_ddr.o +obj-$(CONFIG_SPL_STARFIVE_DDR) += ddrphy_utils.o +obj-$(CONFIG_SPL_STARFIVE_DDR) += ddrcsr_boot.o +endif \ No newline at end of file diff --git a/drivers/ram/starfive/ddrcsr_boot.c b/drivers/ram/starfive/ddrcsr_boot.c new file mode 100644 index 0000000000..f2dd55f74a --- /dev/null +++ b/drivers/ram/starfive/ddrcsr_boot.c @@ -0,0 +1,339 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wangyanhong.wang@starfivetech.com + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/regs.h> +#include <linux/delay.h> +#include <wait_bit.h> + +#include "starfive_ddr.h" + +#define REGOFFSET(offset) ((offset) / 4) + +static const struct ddr_reg_cfg ddr_csr_cfg[] = { + {0x0, 0x0, 0x00000001, REGSETALL}, + {0xf00, 0x0, 0x40001030, (OFFSET_SEL | F_SET | REG4G | REG8G)}, + {0xf00, 0x0, 0x40001030, (OFFSET_SEL | F_SET | REG2G)}, + {0xf04, 0x0, 0x00000001, (OFFSET_SEL | F_SET | REG4G | REG8G)}, + {0xf04, 0x0, 0x00800001, (OFFSET_SEL | F_SET | REG2G)}, + {0xf10, 0x0, 0x00400000, (OFFSET_SEL | REGSETALL)}, + {0xf14, 0x0, 0x043fffff, (OFFSET_SEL | REGSETALL)}, + {0xf18, 0x0, 0x00000000, (OFFSET_SEL | REGSETALL)}, + {0xf30, 0x0, 0x1f000041, (OFFSET_SEL | REGSETALL)}, + {0xf34, 0x0, 0x1f000041, (OFFSET_SEL | F_SET | REG4G | REG8G)}, + {0x110, 0x0, 0xc0000001, (OFFSET_SEL | REGSETALL)}, + {0x114, 0x0, 0xffffffff, (OFFSET_SEL | REGSETALL)}, + {0x10c, 0x0, 0x00000505, REGSETALL}, + {0x11c, 0x0, 0x00000000, REGSETALL}, + {0x500, 0x0, 0x00000201, REGSETALL}, + {0x514, 0x0, 0x00000100, REGSETALL}, + {0x6a8, 0x0, 0x00040000, REGSETALL}, + {0xea8, 0x0, 0x00040000, REGSETALL}, + {0x504, 0x0, 0x40000000, REGSETALL} +}; + +static const struct ddr_reg_cfg ddr_csr_cfg1[] = { + {0x310, 0x0, 0x00020000, REGSETALL}, + {0x310, 0x0, 0x00020001, REGSETALL}, + {0x600, 0x0, 0x002e0176, REGSETALL}, + {0x604, 0x0, 0x002e0176, REGSETALL}, + {0x608, 0x0, 0x001700bb, REGSETALL}, + {0x60c, 0x0, 0x000b005d, REGSETALL}, + {0x610, 0x0, 0x0005002e, REGSETALL}, + {0x614, 0x0, 0x00020017, REGSETALL}, + {0x618, 0x0, 0x00020017, REGSETALL}, + {0x61c, 0x0, 0x00020017, REGSETALL}, + {0x678, 0x0, 0x00000019, REGSETALL}, + {0x100, 0x0, 0x000000f8, REGSETALL}, + {0x620, 0x0, 0x03030404, REGSETALL}, + {0x624, 0x0, 0x04030505, REGSETALL}, + {0x628, 0x0, 0x07030884, REGSETALL}, + {0x62c, 0x0, 0x13150401, REGSETALL}, + {0x630, 0x0, 0x17150604, REGSETALL}, + {0x634, 0x0, 0x00110000, REGSETALL}, + {0x638, 0x0, 0x200a0a08, REGSETALL}, + {0x63c, 0x0, 0x1730f803, REGSETALL}, + {0x640, 0x0, 0x000a0c00, REGSETALL}, + {0x644, 0x0, 0xa005000a, REGSETALL}, + {0x648, 0x0, 0x00000000, REGSETALL}, + {0x64c, 0x0, 0x00081306, REGSETALL}, + {0x650, 0x0, 0x04070304, REGSETALL}, + {0x654, 0x0, 0x00000404, REGSETALL}, + {0x658, 0x0, 0x00000060, REGSETALL}, + {0x65c, 0x0, 0x00030008, REGSETALL}, + {0x660, 0x0, 0x00000000, REGSETALL}, + {0x680, 0x0, 0x00000603, REGSETALL}, + {0x684, 0x0, 0x01000202, REGSETALL}, + {0x688, 0x0, 0x0413040d, REGSETALL}, + {0x68c, 0x0, 0x20002420, REGSETALL}, + {0x690, 0x0, 0x00140000, REGSETALL}, + {0x69c, 0x0, 0x01240074, REGSETALL}, + {0x6a0, 0x0, 0x00000000, REGSETALL}, + {0x6a4, 0x0, 0x20240c00, REGSETALL}, + {0x6a8, 0x0, 0x00040000, REGSETALL}, + {0x4, 0x0, 0x30010006, (F_SET | REG4G | REG8G)}, + {0x4, 0x0, 0x10010006, (F_SET | REG2G)}, + {0xc, 0x0, 0x00000002, REGSETALL}, + {0x4, 0x0, 0x30020000, (F_SET | REG4G | REG8G)}, + {0x4, 0x0, 0x10020000, (F_SET | REG2G)}, + {0xc, 0x0, 0x00000002, REGSETALL}, + {0x4, 0x0, 0x30030031, (F_SET | REG4G | REG8G)}, + {0x4, 0x0, 0x10030031, (F_SET | REG2G)}, + {0xc, 0x0, 0x00000002, REGSETALL}, + {0x4, 0x0, 0x300b0033, (F_SET | REG4G | REG8G)}, + {0x4, 0x0, 0x100b0033, (F_SET | REG2G)}, + {0xc, 0x0, 0x00000002, REGSETALL}, + {0x4, 0x0, 0x30160016, (F_SET | REG4G | REG8G)}, + {0x4, 0x0, 0x10160016, (F_SET | REG2G)}, + {0xc, 0x0, 0x00000002, REGSETALL}, + {0x10, 0x0, 0x00000010, REGSETALL}, + {0x14, 0x0, 0x00000001, REGSETALL}, +}; + +static const struct ddr_reg_cfg ddr_csr_cfg2[] = { + {0xb8, 0xf0ffffff, 0x3000000, REGCLRSETALL}, + {0x84, 0xFEFFFFFF, 0x0, REGCLRSETALL}, + {0xb0, 0xFFFEFFFF, 0x0, REGCLRSETALL}, + {0xb0, 0xFEFFFFFF, 0x0, REGCLRSETALL}, + {0xb4, 0xffffffff, 0x1, REGCLRSETALL}, + {0x248, 0xffffffff, 0x3000000, REGCLRSETALL}, + {0x24c, 0xffffffff, 0x300, REGCLRSETALL}, + {0x24c, 0xffffffff, 0x3000000, REGCLRSETALL}, + {0xb0, 0xffffffff, 0x100, REGCLRSETALL}, + {0xb8, 0xFFF0FFFF, 0x30000, REGCLRSETALL}, + {0x84, 0xFFFEFFFF, 0x0, REGCLRSETALL}, + {0xac, 0xFFFEFFFF, 0x0, REGCLRSETALL}, + {0xac, 0xFEFFFFFF, 0x0, REGCLRSETALL}, + {0xb0, 0xffffffff, 0x1, REGCLRSETALL}, + {0x248, 0xffffffff, 0x30000, REGCLRSETALL}, + {0x24c, 0xffffffff, 0x3, REGCLRSETALL}, + {0x24c, 0xffffffff, 0x30000, REGCLRSETALL}, + {0x250, 0xffffffff, 0x3000000, REGCLRSETALL}, + {0x254, 0xffffffff, 0x3000000, REGCLRSETALL}, + {0x258, 0xffffffff, 0x3000000, REGCLRSETALL}, + {0xac, 0xffffffff, 0x100, REGCLRSETALL}, + {0x10c, 0xFFFFF0FF, 0x300, REGCLRSETALL}, + {0x110, 0xFFFFFEFF, 0x0, REGCLRSETALL}, + {0x11c, 0xFFFEFFFF, 0x0, REGCLRSETALL}, + {0x11c, 0xFEFFFFFF, 0x0, REGCLRSETALL}, + {0x120, 0xffffffff, 0x100, REGCLRSETALL}, + {0x2d0, 0xffffffff, 0x300, REGCLRSETALL}, + {0x2dc, 0xffffffff, 0x300, REGCLRSETALL}, + {0x2e8, 0xffffffff, 0x300, REGCLRSETALL}, +}; + +static const struct ddr_reg_cfg ddr_csr_cfg3[] = { + {0x100, 0x0, 0x000000e0, REGSETALL}, + {0x620, 0x0, 0x04041417, REGSETALL}, + {0x624, 0x0, 0x09110609, REGSETALL}, + {0x628, 0x0, 0x442d0994, REGSETALL}, + {0x62c, 0x0, 0x271e102b, REGSETALL}, + {0x630, 0x0, 0x291b140a, REGSETALL}, + {0x634, 0x0, 0x001c0000, REGSETALL}, + {0x638, 0x0, 0x200f0f08, REGSETALL}, + {0x63c, 0x0, 0x29420a06, REGSETALL}, + {0x640, 0x0, 0x019e1fc1, REGSETALL}, + {0x644, 0x0, 0x10cb0196, REGSETALL}, + {0x648, 0x0, 0x00000000, REGSETALL}, + {0x64c, 0x0, 0x00082714, REGSETALL}, + {0x650, 0x0, 0x16442f0d, REGSETALL}, + {0x654, 0x0, 0x00001916, REGSETALL}, + {0x658, 0x0, 0x00000060, REGSETALL}, + {0x65c, 0x0, 0x00600020, REGSETALL}, + {0x660, 0x0, 0x00000000, REGSETALL}, + {0x680, 0x0, 0x0c00040f, REGSETALL}, + {0x684, 0x0, 0x03000604, REGSETALL}, + {0x688, 0x0, 0x0515040d, REGSETALL}, + {0x68c, 0x0, 0x20002c20, REGSETALL}, + {0x690, 0x0, 0x00140000, REGSETALL}, + {0x69c, 0x0, 0x01240074, REGSETALL}, + {0x6a0, 0x0, 0x00000000, REGSETALL}, + {0x6a4, 0x0, 0x202c0c00, REGSETALL}, + {0x6a8, 0x0, 0x00040000, REGSETALL}, + {0x4, 0x0, 0x30010036, (F_SET | REG4G | REG8G)}, + {0x4, 0x0, 0x10010036, (F_SET | REG2G)}, + {0xc, 0x0, 0x00000002, REGSETALL}, + {0x4, 0x0, 0x3002001b, (F_SET | REG4G | REG8G)}, + {0x4, 0x0, 0x10010036, (F_SET | REG2G)}, + {0xc, 0x0, 0x00000002, REGSETALL}, + {0x4, 0x0, 0x30030031, (F_SET | REG4G | REG8G)}, + {0x4, 0x0, 0x10030031, (F_SET | REG2G)}, + {0xc, 0x0, 0x00000002, REGSETALL}, + {0x4, 0x0, 0x300b0066, (F_SET | REG4G)}, + {0x4, 0x0, 0x300b0036, (F_SET | REG8G)}, + {0x4, 0x0, 0x100b0066, (F_SET | REG2G)}, + {0xc, 0x0, 0x00000002, REGSETALL}, + {0x4, 0x0, 0x30160016, (F_SET | REG4G | REG8G)}, + {0x4, 0x0, 0x10160016, (F_SET | REG2G)}, + {0xc, 0x0, 0x00000002, REGSETALL}, + {0x410, 0x0, 0x00101010, REGSETALL}, + {0x420, 0x0, 0x0c181006, REGSETALL}, + {0x424, 0x0, 0x20200820, REGSETALL}, + {0x428, 0x0, 0x80000020, REGSETALL}, + {0x0, 0x0, 0x00000001, REGSETALL}, + {0x108, 0x0, 0x00003000, REGSETALL}, + {0x704, 0x0, 0x00000007, REGSETALL | OFFSET_SEL}, + {0x330, 0x0, 0x09313fff, (F_SET | REG4G | REG8G)}, + {0x330, 0x0, 0x09311fff, (F_SET | REG2G)}, + {0x508, 0x0, 0x00000033, (F_SET | REG4G | REG8G)}, + {0x508, 0x0, 0x00000013, (F_SET | REG2G)}, + {0x324, 0x0, 0x00002000, REGSETALL}, + {0x104, 0x0, 0x90000000, REGSETALL}, + {0x510, 0x0, 0x00000100, REGSETALL}, + {0x514, 0x0, 0x00000000, REGSETALL}, + {0x700, 0x0, 0x00000003, REGSETALL | OFFSET_SEL}, + {0x514, 0x0, 0x00000600, REGSETALL}, + {0x20, 0x0, 0x00000001, REGSETALL}, +}; + +static void ddr_csr_set(u32 *csrreg, u32 *secreg, const struct ddr_reg_cfg *data, + u32 len, u32 mask) +{ + u32 *addr; + u32 i; + + for (i = 0; i < len; i++) { + if (!(data[i].flag & mask)) + continue; + + if (data[i].flag & OFFSET_SEL) + addr = secreg + REGOFFSET(data[i].offset); + else + addr = csrreg + REGOFFSET(data[i].offset); + + if (data[i].flag & F_CLRSET) + DDR_REG_TRIGGER(addr, data[i].mask, data[i].val); + else + out_le32(addr, data[i].val); + } +} + +void ddrcsr_boot(u32 *csrreg, u32 *secreg, u32 *phyreg, enum ddr_size_t size) +{ + u32 len; + u32 val; + u32 mask; + int ret; + + switch (size) { + case DDR_SIZE_2G: + mask = REG2G; + break; + + case DDR_SIZE_4G: + mask = REG4G; + break; + + case DDR_SIZE_8G: + mask = REG8G; + break; + + case DDR_SIZE_16G: + default: + return; + }; + + len = ARRAY_SIZE(ddr_csr_cfg); + ddr_csr_set(csrreg, secreg, ddr_csr_cfg, len, mask); + + ret = wait_for_bit_le32(csrreg + REGOFFSET(0x504), BIT(31), + true, 1000, false); + if (ret) + return; + + out_le32(csrreg + REGOFFSET(0x504), 0x0); + out_le32(csrreg + REGOFFSET(0x50c), 0x0); + udelay(300); + out_le32(csrreg + REGOFFSET(0x50c), 0x1); + mdelay(3); + + switch (size) { + case DDR_SIZE_2G: + out_le32(csrreg + REGOFFSET(0x10), 0x1c); + break; + + case DDR_SIZE_8G: + case DDR_SIZE_4G: + out_le32(csrreg + REGOFFSET(0x10), 0x3c); + break; + + case DDR_SIZE_16G: + default: + break; + }; + + out_le32(csrreg + REGOFFSET(0x14), 0x1); + udelay(4); + + len = ARRAY_SIZE(ddr_csr_cfg1); + ddr_csr_set(csrreg, secreg, ddr_csr_cfg1, len, mask); + + udelay(4); + out_le32(csrreg + REGOFFSET(0x10), 0x11); + out_le32(csrreg + REGOFFSET(0x14), 0x1); + + switch (size) { + case DDR_SIZE_4G: + case DDR_SIZE_8G: + out_le32(csrreg + REGOFFSET(0x10), 0x20); + out_le32(csrreg + REGOFFSET(0x14), 0x1); + udelay(4); + out_le32(csrreg + REGOFFSET(0x10), 0x21); + out_le32(csrreg + REGOFFSET(0x14), 0x1); + break; + + case DDR_SIZE_2G: + case DDR_SIZE_16G: + default: + break; + }; + + out_le32(csrreg + REGOFFSET(0x514), 0x0); + ret = wait_for_bit_le32(csrreg + REGOFFSET(0x518), BIT(1), + true, 1000, false); + if (ret) + return; + + val = in_le32(csrreg + REGOFFSET(0x518)); + while ((val & 0x2) != 0x0) { + val = in_le32(phyreg + 1); + + if ((val & 0x20) == 0x20) { + switch (val & 0x1f) { + case 0: /* ddrc_clock=12M */ + DDR_REG_SET(BUS, DDR_BUS_OSC_DIV2); + break; + case 1: /* ddrc_clock=200M */ + DDR_REG_SET(BUS, DDR_BUS_PLL1_DIV8); + break; + case 2: /* ddrc_clock=800M */ + DDR_REG_SET(BUS, DDR_BUS_PLL1_DIV2); + break; + default: + break; + }; + + out_le32(phyreg + 2, 0x1); + ret = wait_for_bit_le32(phyreg + 2, BIT(0), false, 1000, false); + if (ret) + return; + } + + udelay(1); + val = in_le32(csrreg + REGOFFSET(0x518)); + }; + + val = in_le32(phyreg + 2048 + 83); + val = in_le32(phyreg + 2048 + 84); + out_le32(phyreg + 2048 + 84, val & 0xF8000000); + + len = ARRAY_SIZE(ddr_csr_cfg2); + ddr_csr_set(phyreg + PHY_BASE_ADDR, secreg, ddr_csr_cfg2, len, mask); + + len = ARRAY_SIZE(ddr_csr_cfg3); + ddr_csr_set(csrreg, secreg, ddr_csr_cfg3, len, mask); +} diff --git a/drivers/ram/starfive/ddrphy_start.c b/drivers/ram/starfive/ddrphy_start.c new file mode 100644 index 0000000000..479b6ef104 --- /dev/null +++ b/drivers/ram/starfive/ddrphy_start.c @@ -0,0 +1,279 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wangyanhong.wang@starfivetech.com + */ + +#include <common.h> +#include <asm/io.h> + +#include "starfive_ddr.h" + +static const struct ddr_reg_cfg ddr_start_cfg[] = { + {89, 0xffffff00, 0x00000051, (OFFSET_SEL | REGCLRSETALL)}, + {78, 0xfffffcff, 0x0, (OFFSET_SEL | REGCLRSETALL)}, + {345, 0xffffff00, 0x00000051, (OFFSET_SEL | REGCLRSETALL)}, + {334, 0xfffffcff, 0x0, (OFFSET_SEL | REGCLRSETALL)}, + {601, 0xffffff00, 0x00000051, (OFFSET_SEL | REGCLRSETALL)}, + {590, 0xfffffcff, 0x0, (OFFSET_SEL | REGCLRSETALL)}, + {857, 0xffffff00, 0x00000051, (OFFSET_SEL | REGCLRSETALL)}, + {846, 0xfffffcff, 0x0, (OFFSET_SEL | REGCLRSETALL)}, + {1793, 0xfffffeff, 0x0, (OFFSET_SEL | REGCLRSETALL)}, + {1793, 0xfffcffff, 0x0, (OFFSET_SEL | REGCLRSETALL)}, + {125, 0xfff0ffff, 0x00010000, (OFFSET_SEL | REGCLRSETALL)}, + {102, 0xfffffffc, 0x00000001, (OFFSET_SEL | REGCLRSETALL)}, + {105, 0xffffffe0, 0x00000001, (OFFSET_SEL | REGCLRSETALL)}, + {92, 0xfffffffe, 0x00000001, (OFFSET_SEL | REGCLRSETALL)}, + {94, 0xffffe0ff, 0x00000200, (OFFSET_SEL | REGCLRSETALL)}, + {96, 0xfffff0ff, 0x00000400, (OFFSET_SEL | REGCLRSETALL)}, + {89, 0xffffff00, 0x00000051, (OFFSET_SEL | REGCLRSETALL)}, + {381, 0xfff0ffff, 0x00010000, (OFFSET_SEL | REGCLRSETALL)}, + {358, 0xfffffffc, 0x00000001, (OFFSET_SEL | REGCLRSETALL)}, + {361, 0xffffffe0, 0x00000001, (OFFSET_SEL | REGCLRSETALL)}, + {348, 0xfffffffe, 0x00000001, (OFFSET_SEL | REGCLRSETALL)}, + {350, 0xffffe0ff, 0x00000200, (OFFSET_SEL | REGCLRSETALL)}, + {352, 0xfffff0ff, 0x00000400, (OFFSET_SEL | REGCLRSETALL)}, + {345, 0xffffff00, 0x00000051, (OFFSET_SEL | REGCLRSETALL)}, + {637, 0xfff0ffff, 0x00010000, (OFFSET_SEL | REGCLRSETALL)}, + {614, 0xfffffffc, 0x00000001, (OFFSET_SEL | REGCLRSETALL)}, + {617, 0xffffffe0, 0x00000001, (OFFSET_SEL | REGCLRSETALL)}, + {604, 0xfffffffe, 0x00000001, (OFFSET_SEL | REGCLRSETALL)}, + {606, 0xffffe0ff, 0x00000200, (OFFSET_SEL | REGCLRSETALL)}, + {608, 0xfffff0ff, 0x00000400, (OFFSET_SEL | REGCLRSETALL)}, + {601, 0xffffff00, 0x00000051, (OFFSET_SEL | REGCLRSETALL)}, + {893, 0xfff0ffff, 0x00010000, (OFFSET_SEL | REGCLRSETALL)}, + {870, 0xfffffffc, 0x00000001, (OFFSET_SEL | REGCLRSETALL)}, + {873, 0xffffffe0, 0x00000001, (OFFSET_SEL | REGCLRSETALL)}, + {860, 0xfffffffe, 0x00000001, (OFFSET_SEL | REGCLRSETALL)}, + {862, 0xffffe0ff, 0x00000200, (OFFSET_SEL | REGCLRSETALL)}, + {864, 0xfffff0ff, 0x00000400, (OFFSET_SEL | REGCLRSETALL)}, + {857, 0xffffff00, 0x00000051, (OFFSET_SEL | REGCLRSETALL)}, + {1895, 0xffffe000, 0x00001342, (OFFSET_SEL | REGCLRSETALL)}, + {1835, 0xfffff0ff, 0x00000200, (OFFSET_SEL | REGCLRSETALL)}, + {1793, 0xfffffeff, 0x00000100, (OFFSET_SEL | REGCLRSETALL)}, + {62, 0xfffffeff, 0x0, REGCLRSETALL}, + {66, 0xfffffeff, 0x0, REGCLRSETALL}, + {166, 0xffffff80, 0x00000001, REGCLRSETALL}, + {62, 0xfff0ffff, 0x00010000, REGCLRSETALL}, + {62, 0xf0ffffff, 0x01000000, REGCLRSETALL}, + {166, 0xffff80ff, 0x00000100, REGCLRSETALL}, + {179, 0xff80ffff, 0x00010000, REGCLRSETALL}, + {67, 0xffe0ffff, 0x00010000, REGCLRSETALL}, + {67, 0xe0ffffff, 0x01000000, REGCLRSETALL}, + {179, 0x80ffffff, 0x01000000, REGCLRSETALL}, + {166, 0xff80ffff, 0x00010000, REGCLRSETALL}, + {62, 0xfff0ffff, 0x00010000, REGCLRSETALL}, + {62, 0xf0ffffff, 0x01000000, REGCLRSETALL}, + {166, 0x80ffffff, 0x01000000, REGCLRSETALL}, + {182, 0xff80ffff, 0x00010000, REGCLRSETALL}, + {67, 0xffe0ffff, 0x00010000, REGCLRSETALL}, + {67, 0xe0ffffff, 0x01000000, REGCLRSETALL}, + {182, 0x80ffffff, 0x01000000, REGCLRSETALL}, + {167, 0xffffff80, 0x00000017, REGCLRSETALL}, + {62, 0xfff0ffff, 0x00010000, REGCLRSETALL}, + {62, 0xf0ffffff, 0x01000000, REGCLRSETALL}, + {167, 0xffff80ff, 0x00001700, REGCLRSETALL}, + {185, 0xff80ffff, 0x00200000, REGCLRSETALL}, + {67, 0xffe0ffff, 0x00010000, REGCLRSETALL}, + {67, 0xe0ffffff, 0x01000000, REGCLRSETALL}, + {185, 0x80ffffff, 0x20000000, REGCLRSETALL}, + {10, 0xffffffe0, 0x00000002, REGCLRSETALL}, + {0, 0xfffffffe, 0x00000001, REGCLRSETALL}, + {11, 0xfffffff0, 0x00000005, (F_CLRSET | REG2G)}, + {247, 0xffffffff, 0x00000008, REGCLRSETALL}, + {249, 0xffffffff, 0x00000800, REGCLRSETALL}, + {252, 0xffffffff, 0x00000008, REGCLRSETALL}, + {254, 0xffffffff, 0x00000800, REGCLRSETALL}, + {281, 0xffffffff, 0x33000000, REGCLRSETALL}, + {305, 0xffffffff, 0x33000000, REGCLRSETALL}, + {329, 0xffffffff, 0x33000000, REGCLRSETALL}, + {353, 0xffffffff, 0x33000000, REGCLRSETALL}, + {289, 0xffffffff, 0x36000000, (F_CLRSET | REG8G)}, + {313, 0xffffffff, 0x36000000, (F_CLRSET | REG8G)}, + {337, 0xffffffff, 0x36000000, (F_CLRSET | REG8G)}, + {361, 0xffffffff, 0x36000000, (F_CLRSET | REG8G)}, + {289, 0xffffffff, 0x66000000, (F_CLRSET | REG2G | REG4G)}, + {313, 0xffffffff, 0x66000000, (F_CLRSET | REG2G | REG4G)}, + {337, 0xffffffff, 0x66000000, (F_CLRSET | REG2G | REG4G)}, + {361, 0xffffffff, 0x66000000, (F_CLRSET | REG2G | REG4G)}, + {282, 0xffffffff, 0x00160000, REGCLRSETALL}, + {306, 0xffffffff, 0x00160000, REGCLRSETALL}, + {330, 0xffffffff, 0x00160000, REGCLRSETALL}, + {354, 0xffffffff, 0x00160000, REGCLRSETALL}, + {290, 0xffffffff, 0x00160000, REGCLRSETALL}, + {314, 0xffffffff, 0x00160000, REGCLRSETALL}, + {338, 0xffffffff, 0x00160000, REGCLRSETALL}, + {362, 0xffffffff, 0x00160000, REGCLRSETALL}, + {282, 0xffffff00, 0x17, REGCLRSETALL}, + {306, 0xffffff00, 0x17, REGCLRSETALL}, + {330, 0xffffff00, 0x17, REGCLRSETALL}, + {354, 0xffffff00, 0x17, REGCLRSETALL}, + {290, 0xffffff00, 0x17, REGCLRSETALL}, + {314, 0xffffff00, 0x17, REGCLRSETALL}, + {338, 0xffffff00, 0x17, REGCLRSETALL}, + {362, 0xffffff00, 0x17, REGCLRSETALL}, + {282, 0xffff00ff, 0x2000, REGCLRSETALL}, + {306, 0xffff00ff, 0x2000, REGCLRSETALL}, + {330, 0xffff00ff, 0x2000, REGCLRSETALL}, + {354, 0xffff00ff, 0x2000, REGCLRSETALL}, + {290, 0xffff00ff, 0x2000, REGCLRSETALL}, + {314, 0xffff00ff, 0x2000, REGCLRSETALL}, + {338, 0xffff00ff, 0x2000, REGCLRSETALL}, + {362, 0xffff00ff, 0x2000, REGCLRSETALL}, + {65, 0xffffffff, 0x00000100, (OFFSET_SEL | REGCLRSETALL)}, + {321, 0xffffffff, 0x00000100, (OFFSET_SEL | REGCLRSETALL)}, + {577, 0xffffffff, 0x00000100, (OFFSET_SEL | REGCLRSETALL)}, + {833, 0xffffffff, 0x00000100, (OFFSET_SEL | REGCLRSETALL)}, + {96, 0x0, 0x300, (OFFSET_SEL | REGADDSETALL)}, + {352, 0x0, 0x300, (OFFSET_SEL | REGADDSETALL)}, + {608, 0x0, 0x300, (OFFSET_SEL | REGADDSETALL)}, + {864, 0x0, 0x300, (OFFSET_SEL | REGADDSETALL)}, + {96, 0xff00ffff, 0x00120000, (OFFSET_SEL | REGCLRSETALL)}, + {352, 0xff00ffff, 0x00120000, (OFFSET_SEL | REGCLRSETALL)}, + {608, 0xff00ffff, 0x00120000, (OFFSET_SEL | REGCLRSETALL)}, + {864, 0xff00ffff, 0x00120000, (OFFSET_SEL | REGCLRSETALL)}, + {33, 0xffffff00, 0x0040, (OFFSET_SEL | REGCLRSETALL)}, + {289, 0xffffff00, 0x0040, (OFFSET_SEL | REGCLRSETALL)}, + {545, 0xffffff00, 0x0040, (OFFSET_SEL | REGCLRSETALL)}, + {801, 0xffffff00, 0x0040, (OFFSET_SEL | REGCLRSETALL)}, + {1038, 0xfcffffff, 0x03000000, (OFFSET_SEL | REGCLRSETALL)}, + {1294, 0xfcffffff, 0x03000000, (OFFSET_SEL | REGCLRSETALL)}, + {1550, 0xfcffffff, 0x03000000, (OFFSET_SEL | REGCLRSETALL)}, + {83, 0xffc0ffff, 0x70000, (OFFSET_SEL | REGCLRSETALL)}, + {339, 0xffc0ffff, 0x70000, (OFFSET_SEL | REGCLRSETALL)}, + {595, 0xffc0ffff, 0x70000, (OFFSET_SEL | REGCLRSETALL)}, + {851, 0xffc0ffff, 0x70000, (OFFSET_SEL | REGCLRSETALL)}, + {1062, 0xf800ffff, 0x70000, (OFFSET_SEL | REGCLRSETALL)}, + {1318, 0xf800ffff, 0x70000, (OFFSET_SEL | REGCLRSETALL)}, + {1574, 0xf800ffff, 0x70000, (OFFSET_SEL | REGCLRSETALL)}, + {1892, 0xfffc0000, 0x15547, (OFFSET_SEL | REGCLRSETALL)}, + {1893, 0xfffc0000, 0x7, (OFFSET_SEL | REGCLRSETALL)}, + {1852, 0xffffe000, 0x07a, (OFFSET_SEL | REGCLRSETALL)}, + {1853, 0xffffffff, 0x0100, (OFFSET_SEL | REGCLRSETALL)}, + {1822, 0xffffffff, 0xFF, (OFFSET_SEL | REGCLRSETALL)}, + {1896, 0xfffffc00, 0x03d5, (OFFSET_SEL | REGCLRSETALL)}, + {91, 0xfc00ffff, 0x03d50000, (OFFSET_SEL | REGCLRSETALL)}, + {347, 0xfc00ffff, 0x03d50000, (OFFSET_SEL | REGCLRSETALL)}, + {603, 0xfc00ffff, 0x03d50000, (OFFSET_SEL | REGCLRSETALL)}, + {859, 0xfc00ffff, 0x03d50000, (OFFSET_SEL | REGCLRSETALL)}, + {1912, 0x0, 0xcc3bfc7, (OFFSET_SEL | REGSETALL)}, + {1913, 0x0, 0xff8f, (OFFSET_SEL | REGSETALL)}, + {1914, 0x0, 0x33f07ff, (OFFSET_SEL | REGSETALL)}, + {1915, 0x0, 0xc3c37ff, (OFFSET_SEL | REGSETALL)}, + {1916, 0x0, 0x1fffff10, (OFFSET_SEL | REGSETALL)}, + {1917, 0x0, 0x230070, (OFFSET_SEL | REGSETALL)}, + {1918, 0x0, 0x3ff7ffff, (OFFSET_SEL | REG4G | REG2G | F_SET)}, + {1918, 0x0, 0x3ff7ffff, (OFFSET_SEL | REG8G | F_SET)}, + {1919, 0x0, 0xe10, (OFFSET_SEL | REGSETALL)}, + {1920, 0x0, 0x1fffffff, (OFFSET_SEL | REGSETALL)}, + {1921, 0x0, 0x188411, (OFFSET_SEL | REGSETALL)}, + {1922, 0x0, 0x1fffffff, (OFFSET_SEL | REGSETALL)}, + {1923, 0x0, 0x180400, (OFFSET_SEL | REGSETALL)}, + {1924, 0x0, 0x1fffffff, (OFFSET_SEL | REGSETALL)}, + {1925, 0x0, 0x180400, (OFFSET_SEL | REGSETALL)}, + {1926, 0x0, 0x1fffffcf, (OFFSET_SEL | REGSETALL)}, + {1927, 0x0, 0x188400, (OFFSET_SEL | REGSETALL)}, + {1928, 0x0, 0x1fffffff, (OFFSET_SEL | REGSETALL)}, + {1929, 0x0, 0x4188411, (OFFSET_SEL | REGSETALL)}, + {1837, 0x0, 0x24410, (OFFSET_SEL | REGSETALL)}, + {1840, 0x0, 0x24410, (OFFSET_SEL | REGSETALL)}, + {1842, 0x0, 0x2ffff, (OFFSET_SEL | REGSETALL)}, + {76, 0xff0000f8, 0x00ff8f07, (OFFSET_SEL | REGCLRSETALL)}, + {332, 0xff0000f8, 0x00ff8f07, (OFFSET_SEL | REGCLRSETALL)}, + {588, 0xff0000f8, 0x00ff8f07, (OFFSET_SEL | REGCLRSETALL)}, + {844, 0xff0000f8, 0x00ff8f07, (OFFSET_SEL | REGCLRSETALL)}, + {77, 0xffff0000, 0xff8f, (OFFSET_SEL | REGCLRSETALL)}, + {333, 0xffff0000, 0xff8f, (OFFSET_SEL | REGCLRSETALL)}, + {589, 0xffff0000, 0xff8f, (OFFSET_SEL | REGCLRSETALL)}, + {845, 0xffff0000, 0xff8f, (OFFSET_SEL | REGCLRSETALL)}, + {1062, 0xffffff00, 0xff, (OFFSET_SEL | REG4G | REG2G | F_CLRSET)}, + {1318, 0xffffff00, 0xff, (OFFSET_SEL | REG4G | REG2G | F_CLRSET)}, + {1574, 0xffffff00, 0xff, (OFFSET_SEL | REG4G | REG2G | F_CLRSET)}, + {1062, 0xffffff00, 0xfb, (OFFSET_SEL | REG8G | F_CLRSET)}, + {1318, 0xffffff00, 0xfb, (OFFSET_SEL | REG8G | F_CLRSET)}, + {1574, 0xffffff00, 0xfb, (OFFSET_SEL | REG8G | F_CLRSET)}, + {1028, 0xffffffff, 0x1000000, (OFFSET_SEL | REGCLRSETALL)}, + {1284, 0xffffffff, 0x1000000, (OFFSET_SEL | REGCLRSETALL)}, + {1540, 0xffffffff, 0x1000000, (OFFSET_SEL | REGCLRSETALL)}, + {1848, 0x0, 0x3cf07f8, (OFFSET_SEL | REGSETALL)}, + {1849, 0x0, 0x3f, (OFFSET_SEL | REGSETALL)}, + {1850, 0x0, 0x1fffff, (OFFSET_SEL | REGSETALL)}, + {1851, 0x0, 0x060000, (OFFSET_SEL | REGSETALL)}, + {130, 0x0000ffff, 0xffff0000, (OFFSET_SEL | REGCLRSETALL)}, + {386, 0x0000ffff, 0xffff0000, (OFFSET_SEL | REGCLRSETALL)}, + {642, 0x0000ffff, 0xffff0000, (OFFSET_SEL | REGCLRSETALL)}, + {898, 0x0000ffff, 0xffff0000, (OFFSET_SEL | REGCLRSETALL)}, + {131, 0xfffffff0, 0xf, (OFFSET_SEL | REGCLRSETALL)}, + {387, 0xfffffff0, 0xf, (OFFSET_SEL | REGCLRSETALL)}, + {643, 0xfffffff0, 0xf, (OFFSET_SEL | REGCLRSETALL)}, + {899, 0xfffffff0, 0xf, (OFFSET_SEL | REGCLRSETALL)}, + {29, 0xc0ffffff, 0x10000000, (OFFSET_SEL | REGCLRSETALL)}, + {285, 0xc0ffffff, 0x10000000, (OFFSET_SEL | REGCLRSETALL)}, + {541, 0xc0ffffff, 0x10000000, (OFFSET_SEL | REGCLRSETALL)}, + {797, 0xc0ffffff, 0x10000000, (OFFSET_SEL | REGCLRSETALL)}, + {30, 0xffffffff, 0x00080000, (OFFSET_SEL | REGCLRSETALL)}, + {286, 0xffffffff, 0x00080000, (OFFSET_SEL | REGCLRSETALL)}, + {542, 0xffffffff, 0x00080000, (OFFSET_SEL | REGCLRSETALL)}, + {798, 0xffffffff, 0x00080000, (OFFSET_SEL | REGCLRSETALL)}, + {31, 0xffffffc0, 0x00000010, (OFFSET_SEL | REGCLRSETALL)}, + {287, 0xffffffc0, 0x00000010, (OFFSET_SEL | REGCLRSETALL)}, + {543, 0xffffffc0, 0x00000010, (OFFSET_SEL | REGCLRSETALL)}, + {799, 0xffffffc0, 0x00000010, (OFFSET_SEL | REGCLRSETALL)}, + {1071, 0xfffffff0, 0x00000008, (OFFSET_SEL | REGCLRSETALL)}, + {1327, 0xfffffff0, 0x00000008, (OFFSET_SEL | REGCLRSETALL)}, + {1583, 0xfffffff0, 0x00000008, (OFFSET_SEL | REGCLRSETALL)}, + {1808, 0xfffffff0, 0x00000008, (OFFSET_SEL | REGCLRSETALL)}, + {1896, 0xfff0ffff, 0x00080000, (OFFSET_SEL | REGCLRSETALL)}, +}; + +void ddr_reg_set(u32 *reg, const struct ddr_reg_cfg *data, + u32 len, u32 mask) +{ + u32 *addr; + u32 i; + + for (i = 0; i < len; i++) { + if (!(data[i].flag & mask)) + continue; + + if (data[i].flag & OFFSET_SEL) + addr = reg + PHY_AC_BASE_ADDR + data[i].offset; + else + addr = reg + PHY_BASE_ADDR + data[i].offset; + + if (data[i].flag & F_CLRSET) + DDR_REG_TRIGGER(addr, data[i].mask, data[i].val); + else if (data[i].flag & F_SET) + out_le32(addr, data[i].val); + else + out_le32(addr, in_le32(addr) + data[i].val); + } +} + +void ddr_phy_start(u32 *phyreg, enum ddr_size_t size) +{ + u32 len; + u32 mask; + + switch (size) { + case DDR_SIZE_2G: + mask = REG2G; + break; + + case DDR_SIZE_4G: + mask = REG4G; + break; + + case DDR_SIZE_8G: + mask = REG8G; + break; + + case DDR_SIZE_16G: + default: + return; + }; + + len = ARRAY_SIZE(ddr_start_cfg); + ddr_reg_set(phyreg, ddr_start_cfg, len, mask); + out_le32(phyreg, 0x01); +} diff --git a/drivers/ram/starfive/ddrphy_train.c b/drivers/ram/starfive/ddrphy_train.c new file mode 100644 index 0000000000..0740f49be5 --- /dev/null +++ b/drivers/ram/starfive/ddrphy_train.c @@ -0,0 +1,383 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wangyanhong.wang@starfivetech.com + */ + +#include <common.h> +#include <asm/io.h> + +static const u32 ddr_train_data[] = { + 0xb00, + 0x101, + 0x640000, + 0x1, + 0x0, + 0x0, + 0x0, + 0x0, + 0x1, + 0x7, + 0x10002, + 0x300080f, + 0x1, + 0x5, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x1010000, + 0x280a0000, + 0x0, + 0x1, + 0x3200000f, + 0x0, + 0x0, + 0x10102, + 0x1, + 0x0, + 0x0, + 0x0, + 0xaa, + 0x55, + 0xb5, + 0x4a, + 0x56, + 0xa9, + 0xa9, + 0xb5, + 0x1000000, + 0x1000000, + 0x0, + 0xf0f0000, + 0x14, + 0x7d0, + 0x300, + 0x0, + 0x0, + 0x1000000, + 0x10101, + 0x0, + 0x30000, + 0x100, + 0x170f, + 0x0, + 0x0, + 0x0, + 0xa140a01, + 0x204010a, + 0x2080510, + 0x40400, + 0x1000101, + 0x10100, + 0x2040f00, + 0x34000000, + 0x0, + 0x0, + 0x1000000, + 0x0, + 0x0, + 0x0, + 0x0, + 0x10100, + 0x80101, + 0x2000200, + 0x1000100, + 0x1000000, + 0x2000200, + 0x200, + 0x0, + 0x0, + 0x0, + 0xe000004, + 0xc0d100f, + 0xa09080b, + 0x2010000, + 0x80103, + 0x200, + 0x0, + 0xf000000, + 0x4, + 0xa, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x30100, + 0x1010001, + 0x10200, + 0x4000103, + 0x1050001, + 0x10600, + 0x107, + 0x0, + 0x0, + 0x10001, + 0x0, + 0x0, + 0x0, + 0x0, + 0x10000, + 0x4, + 0x0, + 0x10000, + 0x0, + 0x3c0003, + 0x80100a0, + 0x16, + 0x2c, + 0x33, + 0x20043, + 0x2000200, + 0x4, + 0x60c, + 0xa1400, + 0x280000, + 0x6, + 0x46, + 0x70, + 0x610, + 0x12b, + 0x4001035, + 0x1010404, + 0x1e01, + 0x1e001e, + 0x1000100, + 0x100, + 0x0, + 0x5060403, + 0x1011108, + 0x1010101, + 0xf0a0a, + 0x0, + 0x0, + 0x4000000, + 0x4021008, + 0x4020206, + 0xc0034, + 0x100038, + 0x17003f, + 0x10001, + 0x10001, + 0x10005, + 0x20064, + 0x100010b, + 0x60006, + 0x650100, + 0x1000065, + 0x10c010c, + 0x1e1a1e1a, + 0x1011e1a, + 0xa070601, + 0xa07060d, + 0x100b080d, + 0xc00f, + 0xc01000, + 0xc01000, + 0x21000, + 0x120005, + 0x190064, + 0x10b, + 0x1100, + 0x1e1a0056, + 0x6000101, + 0x130204, + 0x1e1a0058, + 0x1000101, + 0x230408, + 0x1e1a005e, + 0x9000101, + 0x610, + 0x4040800, + 0x40100, + 0x3000277, + 0xa032001, + 0xa0a, + 0x80908, + 0x901, + 0x1100315c, + 0xa062002, + 0xa0a, + 0x141708, + 0x150d, + 0x2d00838e, + 0xf102004, + 0xf0b, + 0x8c, + 0x578, + 0xc20, + 0x7940, + 0x206a, + 0x14424, + 0x730006, + 0x3030133, + 0x4, + 0x0, + 0x4, + 0x1, + 0x5, + 0x2, + 0x6, + 0x50, + 0x1, + 0x5, + 0x28, + 0x73, + 0xd6, + 0x1, + 0x5, + 0x6b, + 0x1000133, + 0x140040, + 0x10001, + 0x1900040, + 0x1000c, + 0x42b0040, + 0x320, + 0x360014, + 0x1010101, + 0x2020101, + 0x8080404, + 0x67676767, + 0x67676767, + 0x67676767, + 0x67676767, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x5500, + 0x5a00, + 0x55003c, + 0x0, + 0x3c00005a, + 0x5500, + 0x5a00, + 0x55003c, + 0x0, + 0x3c00005a, + 0x18171615, + 0x14131211, + 0x7060504, + 0x3020100, + 0x0, + 0x0, + 0x0, + 0x1000000, + 0x4020201, + 0x80804, + 0x0, + 0x4, + 0x0, + 0x31, + 0x31, + 0x0, + 0x0, + 0x4d4d, + 0x0, + 0x14, + 0x9, + 0x31, + 0x31, + 0x0, + 0x0, + 0x4d4d, + 0x0, + 0x34, + 0x1b, + 0x31, + 0x31, + 0x0, + 0x0, + 0x4d4d, + 0x0, + 0x4, + 0x0, + 0x31, + 0x31, + 0x0, + 0x0, + 0x4d4d, + 0x0, + 0x14, + 0x9, + 0x31, + 0x31, + 0x0, + 0x0, + 0x4d4d, + 0x0, + 0x34, + 0x1b, + 0x31, + 0x31, + 0x0, + 0x0, + 0x4d4d, + 0x0, + 0x4, + 0x0, + 0x31, + 0x31, + 0x0, + 0x0, + 0x4d4d, + 0x0, + 0x14, + 0x9, + 0x31, + 0x31, + 0x0, + 0x0, + 0x4d4d, + 0x0, + 0x34, + 0x1b, + 0x31, + 0x31, + 0x0, + 0x0, + 0x4d4d, + 0x0, + 0x4, + 0x0, + 0x31, + 0x31, + 0x0, + 0x0, + 0x4d4d, + 0x0, + 0x14, + 0x9, + 0x31, + 0x31, + 0x0, + 0x0, + 0x4d4d, + 0x0, + 0x34, + 0x1b, + 0x31, + 0x31, + 0x0, + 0x0, + 0x4d4d, +}; + +void ddr_phy_train(u32 *phyreg) +{ + u32 i, len; + + len = ARRAY_SIZE(ddr_train_data); + for (i = 0; i < len; i++) + out_le32(phyreg + i, ddr_train_data[i]); +} diff --git a/drivers/ram/starfive/ddrphy_utils.c b/drivers/ram/starfive/ddrphy_utils.c new file mode 100644 index 0000000000..1c9fe0a784 --- /dev/null +++ b/drivers/ram/starfive/ddrphy_utils.c @@ -0,0 +1,1955 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wangyanhong.wang@starfivetech.com + */ + +#include <common.h> +#include <asm/io.h> + +static const u32 ddr_phy_data[] = { + 0x4f0, + 0x0, + 0x1030200, + 0x0, + 0x0, + 0x3000000, + 0x1000001, + 0x3000400, + 0x1000001, + 0x0, + 0x0, + 0x1000001, + 0x0, + 0xc00004, + 0xcc0008, + 0x660601, + 0x3, + 0x0, + 0x1, + 0xaaaa, + 0x5555, + 0xb5b5, + 0x4a4a, + 0x5656, + 0xa9a9, + 0xa9a9, + 0xb5b5, + 0x0, + 0x0, + 0x8000000, + 0x4000008, + 0x408, + 0xe4e400, + 0x71020, + 0xc0020, + 0x620, + 0x100, + 0x55555555, + 0xaaaaaaaa, + 0x55555555, + 0xaaaaaaaa, + 0x5555, + 0x1000100, + 0x800180, + 0x1, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x4, + 0x20, + 0x0, + 0x0, + 0x0, + 0x0, + 0x7ff0000, + 0x20008008, + 0x810, + 0x40100, + 0x0, + 0x1880c01, + 0x2003880c, + 0x20000125, + 0x7ff0200, + 0x101, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + 0x20000, + 0x51515052, + 0x31c06000, + 0x11f0004, + 0xc0c001, + 0x3000000, + 0x30202, + 0x42100010, + 0x10c053e, + 0xf0c20, + 0x1000140, + 0xa30120, + 0xc00, + 0x210, + 0x200, + 0x2800000, + 0x80800101, + 0x3, + 0x76543210, + 0x8, + 0x2800280, + 0x2800280, + 0x2800280, + 0x2800280, + 0x280, + 0x8000, + 0x800080, + 0x800080, + 0x800080, + 0x800080, + 0x800080, + 0x800080, + 0x800080, + 0x800080, + 0x6e0080, + 0x1a00003, + 0x0, + 0x30000, + 0x80200, + 0x0, + 0x20202020, + 0x20202020, + 0x2020, + 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+ 0x0, + 0x1142, + 0x3020100, + 0x3000300, + 0x3000300, + 0x3000300, + 0x3000300, + 0x3000300, + 0x3000300, + 0x3000300, + 0x3000300, + 0x3000300, + 0x3000300, + 0x300, + 0x300, + 0x300, + 0x300, + 0x2, + 0x4011, + 0x4011, + 0x40, + 0x40, + 0x4011, + 0x1fff00, + 0x4011, + 0x4011, + 0x4011, + 0x4011, + 0x4011, + 0x4011, + 0x4011, + 0x4011, + 0x4011, + 0x4011, + 0x4011, + 0x1004011, + 0x200400, + +}; + +void ddr_phy_util(u32 *phyreg) +{ + u32 i, len; + + len = ARRAY_SIZE(ddr_phy_data); + for (i = 1792; i < len; i++) + out_le32(phyreg + i, ddr_phy_data[i]); + + for (i = 0; i < 1792; i++) + out_le32(phyreg + i, ddr_phy_data[i]); +} diff --git a/drivers/ram/starfive/starfive_ddr.c b/drivers/ram/starfive/starfive_ddr.c new file mode 100644 index 0000000000..553f2ce6f4 --- /dev/null +++ b/drivers/ram/starfive/starfive_ddr.c @@ -0,0 +1,161 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wangyanhong.wang@starfivetech.com + */ + +#include <common.h> +#include <asm/arch/regs.h> +#include <asm/io.h> +#include <clk.h> +#include <dm.h> +#include <fdtdec.h> +#include <init.h> +#include <linux/bitops.h> +#include <linux/sizes.h> +#include <linux/delay.h> +#include <ram.h> +#include <reset.h> + +#include "starfive_ddr.h" + +DECLARE_GLOBAL_DATA_PTR; + +struct starfive_ddr_priv { + struct udevice *dev; + struct ram_info info; + void __iomem *ctrlreg; + void __iomem *phyreg; + struct reset_ctl_bulk rst; + struct clk clk; + u32 fre; +}; + +static int starfive_ddr_setup(struct udevice *dev, struct starfive_ddr_priv *priv) +{ + enum ddr_size_t size; + + switch (priv->info.size) { + case SZ_2G: + size = DDR_SIZE_2G; + break; + + case SZ_4G: + size = DDR_SIZE_4G; + break; + + case 0x200000000: + size = DDR_SIZE_8G; + break; + + case 0x400000000: + default: + pr_err("unsupport size %lx\n", priv->info.size); + return -EINVAL; + } + + ddr_phy_train(priv->phyreg + (PHY_BASE_ADDR << 2)); + ddr_phy_util(priv->phyreg + (PHY_AC_BASE_ADDR << 2)); + ddr_phy_start(priv->phyreg, size); + + DDR_REG_SET(BUS, DDR_BUS_OSC_DIV2); + ddrcsr_boot(priv->ctrlreg, priv->ctrlreg + SEC_CTRL_ADDR, + priv->phyreg, size); + + return 0; +} + +static int starfive_ddr_probe(struct udevice *dev) +{ + struct starfive_ddr_priv *priv = dev_get_priv(dev); + fdt_addr_t addr; + u64 rate; + int ret; + + /* Read memory base and size from DT */ + fdtdec_setup_mem_size_base(); + priv->info.base = gd->ram_base; + priv->info.size = gd->ram_size; + + priv->dev = dev; + addr = dev_read_addr_index(dev, 0); + if (addr == FDT_ADDR_T_NONE) + return -EINVAL; + + priv->ctrlreg = (void __iomem *)addr; + addr = dev_read_addr_index(dev, 1); + if (addr == FDT_ADDR_T_NONE) + return -EINVAL; + + priv->phyreg = (void __iomem *)addr; + ret = dev_read_u32(dev, "clock-frequency", &priv->fre); + if (ret) + return ret; + + switch (priv->fre) { + case 2133: + rate = 1066000000; + break; + + case 2800: + rate = 1400000000; + break; + + default: + pr_err("Unknown DDR frequency %d\n", priv->fre); + return -EINVAL; + }; + + ret = reset_get_bulk(dev, &priv->rst); + if (ret) + return ret; + + ret = reset_deassert_bulk(&priv->rst); + if (ret < 0) + return ret; + + ret = clk_get_by_index(dev, 0, &priv->clk); + if (ret) + goto err_free_reset; + + ret = clk_set_rate(&priv->clk, rate); + if (ret < 0) + goto err_free_reset; + + ret = starfive_ddr_setup(dev, priv); + printf("DDR version: dc2e84f0.\n"); + + return ret; + +err_free_reset: + reset_release_bulk(&priv->rst); + + return ret; +} + +static int starfive_ddr_get_info(struct udevice *dev, struct ram_info *info) +{ + struct starfive_ddr_priv *priv = dev_get_priv(dev); + + *info = priv->info; + + return 0; +} + +static struct ram_ops starfive_ddr_ops = { + .get_info = starfive_ddr_get_info, +}; + +static const struct udevice_id starfive_ddr_ids[] = { + { .compatible = "starfive,jh7110-dmc" }, + { } +}; + +U_BOOT_DRIVER(starfive_ddr) = { + .name = "starfive_ddr", + .id = UCLASS_RAM, + .of_match = starfive_ddr_ids, + .ops = &starfive_ddr_ops, + .probe = starfive_ddr_probe, + .priv_auto = sizeof(struct starfive_ddr_priv), +}; diff --git a/drivers/ram/starfive/starfive_ddr.h b/drivers/ram/starfive/starfive_ddr.h new file mode 100644 index 0000000000..d0ec1c1da8 --- /dev/null +++ b/drivers/ram/starfive/starfive_ddr.h @@ -0,0 +1,65 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wangyanhong.wang@starfivetech.com + */ + +#ifndef __STARFIVE_DDR_H__ +#define __STARFIVE_DDR_H__ + +#define SEC_CTRL_ADDR 0x1000 +#define PHY_BASE_ADDR 0x800 +#define PHY_AC_BASE_ADDR 0x1000 + +#define DDR_BUS_MASK GENMASK(29, 24) +#define DDR_AXI_MASK BIT(31) +#define DDR_BUS_OFFSET 0xAC +#define DDR_AXI_OFFSET 0xB0 + +#define DDR_BUS_OSC_DIV2 0 +#define DDR_BUS_PLL1_DIV2 1 +#define DDR_BUS_PLL1_DIV4 2 +#define DDR_BUS_PLL1_DIV8 3 +#define DDR_AXI_DISABLE 0 +#define DDR_AXI_ENABLE 1 + +#define OFFSET_SEL BIT(31) +#define REG2G BIT(30) +#define REG4G BIT(29) +#define REG8G BIT(28) +#define F_ADDSET BIT(2) +#define F_SET BIT(1) +#define F_CLRSET BIT(0) +#define REGALL (REG2G | REG4G | REG8G) +#define REGSETALL (F_SET | REGALL) +#define REGCLRSETALL (F_CLRSET | REGALL) +#define REGADDSETALL (F_ADDSET | REGALL) + +struct ddr_reg_cfg { + u32 offset; + u32 mask; + u32 val; + u32 flag; +}; + +enum ddr_size_t { + DDR_SIZE_2G, + DDR_SIZE_4G, + DDR_SIZE_8G, + DDR_SIZE_16G, +}; + +void ddr_phy_train(u32 *phyreg); +void ddr_phy_util(u32 *phyreg); +void ddr_phy_start(u32 *phyreg, enum ddr_size_t size); +void ddrcsr_boot(u32 *csrreg, u32 *secreg, u32 *phyreg, enum ddr_size_t size); + +#define DDR_REG_TRIGGER(addr, mask, value) \ + out_le32((addr), (in_le32(addr) & (mask)) | (value)) + +#define DDR_REG_SET(type, val) \ + clrsetbits_le32(JH7110_SYS_CRG + DDR_##type##_OFFSET, \ + DDR_##type##_MASK, \ + ((val) << __ffs(DDR_##type##_MASK)) & DDR_##type##_MASK) + +#endif /*__STARFIVE_DDR_H__*/