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author | Tom Rini <trini@konsulko.com> | 2022-06-27 10:15:50 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2022-06-27 10:15:50 -0400 |
commit | c316ee674f25b73285f241ce922307296616a92a (patch) | |
tree | 9067e60451612dee5fbd0d3132548d3e84063f53 /drivers/soc | |
parent | 31016a5a853cb5b8e27e9fdf956d8250ae59eca9 (diff) | |
parent | 728a86edb63a647e6faf211c0dbc7bd0e4ff7ac6 (diff) | |
download | u-boot-c316ee674f25b73285f241ce922307296616a92a.zip u-boot-c316ee674f25b73285f241ce922307296616a92a.tar.gz u-boot-c316ee674f25b73285f241ce922307296616a92a.tar.bz2 |
Merge tag 'xilinx-for-v2022.10' of https://source.denx.de/u-boot/custodians/u-boot-microblaze into nextWIP/27Jun2022-next
Xilinx changes for v2022.10
cpu:
- Add driver for microblaze cpu
net:
- Add support for DM_ETH_PHY to AXI emac and emaclite
xilinx:
- Switch platforms to DM_ETH_PHY
- DT chagnes in ZynqMP and Zynq
- Enable support for SquashFS
zynqmp:
- Add support for KR260 boards
- Move BSS from address 0
- Move platform identification from board code to soc driver
- Improve zynqmp_psu_init_minimize
versal:
- Enable loading app at EL1
serial:
- Setup default address and clock rates for DEBUG uarts
pinctrl:
- Add support for tri state and output enable properties
relocate-rela:
- Clean relocate-rela implementation for ARM64
- Add support for Microblaze
microblaze:
- Add support for runtime relocation
- Rework cache handling (wiring, Kconfig) based on cpuinfo
- Remove interrupt support
timer:
- Extract axi timer driver from Microblaze to generic location
Diffstat (limited to 'drivers/soc')
-rw-r--r-- | drivers/soc/soc_xilinx_zynqmp.c | 286 |
1 files changed, 284 insertions, 2 deletions
diff --git a/drivers/soc/soc_xilinx_zynqmp.c b/drivers/soc/soc_xilinx_zynqmp.c index a71115b..c10fc7d 100644 --- a/drivers/soc/soc_xilinx_zynqmp.c +++ b/drivers/soc/soc_xilinx_zynqmp.c @@ -3,10 +3,15 @@ * Xilinx ZynqMP SOC driver * * Copyright (C) 2021 Xilinx, Inc. + * Michal Simek <michal.simek@xilinx.com> + * + * Copyright (C) 2022 Weidmüller Interface GmbH & Co. KG + * Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com> */ #include <common.h> #include <dm.h> +#include <dm/device_compat.h> #include <asm/cache.h> #include <soc.h> #include <zynqmp_firmware.h> @@ -22,11 +27,257 @@ */ static const char zynqmp_family[] = "ZynqMP"; +#define EFUSE_VCU_DIS_SHIFT 8 +#define EFUSE_VCU_DIS_MASK BIT(EFUSE_VCU_DIS_SHIFT) +#define EFUSE_GPU_DIS_SHIFT 5 +#define EFUSE_GPU_DIS_MASK BIT(EFUSE_GPU_DIS_SHIFT) +#define IDCODE_DEV_TYPE_MASK GENMASK(27, 0) +#define IDCODE2_PL_INIT_SHIFT 9 +#define IDCODE2_PL_INIT_MASK BIT(IDCODE2_PL_INIT_SHIFT) + +#define ZYNQMP_VERSION_SIZE 7 + +enum { + ZYNQMP_VARIANT_EG = BIT(0), + ZYNQMP_VARIANT_EV = BIT(1), + ZYNQMP_VARIANT_CG = BIT(2), + ZYNQMP_VARIANT_DR = BIT(3), +}; + +struct zynqmp_device { + u32 id; + u8 device; + u8 variants; +}; + struct soc_xilinx_zynqmp_priv { const char *family; + char machine[ZYNQMP_VERSION_SIZE]; char revision; }; +static const struct zynqmp_device zynqmp_devices[] = { + { + .id = 0x04688093, + .device = 1, + .variants = ZYNQMP_VARIANT_EG, + }, + { + .id = 0x04711093, + .device = 2, + .variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG, + }, + { + .id = 0x04710093, + .device = 3, + .variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG, + }, + { + .id = 0x04721093, + .device = 4, + .variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG | + ZYNQMP_VARIANT_EV, + }, + { + .id = 0x04720093, + .device = 5, + .variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG | + ZYNQMP_VARIANT_EV, + }, + { + .id = 0x04739093, + .device = 6, + .variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG, + }, + { + .id = 0x04730093, + .device = 7, + .variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG | + ZYNQMP_VARIANT_EV, + }, + { + .id = 0x04738093, + .device = 9, + .variants = ZYNQMP_VARIANT_EG | ZYNQMP_VARIANT_CG, + }, + { + .id = 0x04740093, + .device = 11, + .variants = ZYNQMP_VARIANT_EG, + }, + { + .id = 0x04750093, + .device = 15, + .variants = ZYNQMP_VARIANT_EG, + }, + { + .id = 0x04759093, + .device = 17, + .variants = ZYNQMP_VARIANT_EG, + }, + { + .id = 0x04758093, + .device = 19, + .variants = ZYNQMP_VARIANT_EG, + }, + { + .id = 0x047E1093, + .device = 21, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x047E3093, + .device = 23, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x047E5093, + .device = 25, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x047E4093, + .device = 27, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x047E0093, + .device = 28, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x047E2093, + .device = 29, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x047E6093, + .device = 39, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x047FD093, + .device = 43, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x047F8093, + .device = 46, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x047FF093, + .device = 47, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x047FB093, + .device = 48, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x047FE093, + .device = 49, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x046d0093, + .device = 67, + .variants = ZYNQMP_VARIANT_DR, + }, + { + .id = 0x04714093, + .device = 24, + .variants = 0, + }, + { + .id = 0x04724093, + .device = 26, + .variants = 0, + }, +}; + +static const struct zynqmp_device *zynqmp_get_device(u32 idcode) +{ + idcode &= IDCODE_DEV_TYPE_MASK; + + for (int i = 0; i < ARRAY_SIZE(zynqmp_devices); i++) { + if (zynqmp_devices[i].id == idcode) + return &zynqmp_devices[i]; + } + + return NULL; +} + +static int soc_xilinx_zynqmp_detect_machine(struct udevice *dev, u32 idcode, + u32 idcode2) +{ + struct soc_xilinx_zynqmp_priv *priv = dev_get_priv(dev); + const struct zynqmp_device *device; + int ret; + + device = zynqmp_get_device(idcode); + if (!device) + return 0; + + /* Add device prefix to the name */ + ret = snprintf(priv->machine, sizeof(priv->machine), "%s%d", + device->variants ? "zu" : "xck", device->device); + if (ret < 0) + return ret; + + if (device->variants & ZYNQMP_VARIANT_EV) { + /* Devices with EV variant might be EG/CG/EV family */ + if (idcode2 & IDCODE2_PL_INIT_MASK) { + u32 family = ((idcode2 & EFUSE_VCU_DIS_MASK) >> + EFUSE_VCU_DIS_SHIFT) << 1 | + ((idcode2 & EFUSE_GPU_DIS_MASK) >> + EFUSE_GPU_DIS_SHIFT); + + /* + * Get family name based on extended idcode values as + * determined on UG1087, EXTENDED_IDCODE register + * description + */ + switch (family) { + case 0x00: + strlcat(priv->machine, "ev", + sizeof(priv->machine)); + break; + case 0x10: + strlcat(priv->machine, "eg", + sizeof(priv->machine)); + break; + case 0x11: + strlcat(priv->machine, "cg", + sizeof(priv->machine)); + break; + default: + /* Do not append family name*/ + break; + } + } else { + /* + * When PL powered down the VCU Disable efuse cannot be + * read. So, ignore the bit and just findout if it is CG + * or EG/EV variant. + */ + strlcat(priv->machine, (idcode2 & EFUSE_GPU_DIS_MASK) ? + "cg" : "e", sizeof(priv->machine)); + } + } else if (device->variants & ZYNQMP_VARIANT_CG) { + /* Devices with CG variant might be EG or CG family */ + strlcat(priv->machine, (idcode2 & EFUSE_GPU_DIS_MASK) ? + "cg" : "eg", sizeof(priv->machine)); + } else if (device->variants & ZYNQMP_VARIANT_EG) { + strlcat(priv->machine, "eg", sizeof(priv->machine)); + } else if (device->variants & ZYNQMP_VARIANT_DR) { + strlcat(priv->machine, "dr", sizeof(priv->machine)); + } + + return 0; +} + static int soc_xilinx_zynqmp_get_family(struct udevice *dev, char *buf, int size) { struct soc_xilinx_zynqmp_priv *priv = dev_get_priv(dev); @@ -34,6 +285,17 @@ static int soc_xilinx_zynqmp_get_family(struct udevice *dev, char *buf, int size return snprintf(buf, size, "%s", priv->family); } +int soc_xilinx_zynqmp_get_machine(struct udevice *dev, char *buf, int size) +{ + struct soc_xilinx_zynqmp_priv *priv = dev_get_priv(dev); + const char *machine = priv->machine; + + if (!machine[0]) + machine = "unknown"; + + return snprintf(buf, size, "%s", machine); +} + static int soc_xilinx_zynqmp_get_revision(struct udevice *dev, char *buf, int size) { struct soc_xilinx_zynqmp_priv *priv = dev_get_priv(dev); @@ -44,6 +306,7 @@ static int soc_xilinx_zynqmp_get_revision(struct udevice *dev, char *buf, int si static const struct soc_ops soc_xilinx_zynqmp_ops = { .get_family = soc_xilinx_zynqmp_get_family, .get_revision = soc_xilinx_zynqmp_get_revision, + .get_machine = soc_xilinx_zynqmp_get_machine, }; static int soc_xilinx_zynqmp_probe(struct udevice *dev) @@ -54,8 +317,7 @@ static int soc_xilinx_zynqmp_probe(struct udevice *dev) priv->family = zynqmp_family; - if (IS_ENABLED(CONFIG_SPL_BUILD) || current_el() == 3 || - !IS_ENABLED(CONFIG_ZYNQMP_FIRMWARE)) + if (!IS_ENABLED(CONFIG_ZYNQMP_FIRMWARE)) ret = zynqmp_mmio_read(ZYNQMP_PS_VERSION, &ret_payload[2]); else ret = xilinx_pm_request(PM_GET_CHIPID, 0, 0, 0, 0, @@ -65,6 +327,26 @@ static int soc_xilinx_zynqmp_probe(struct udevice *dev) priv->revision = ret_payload[2] & ZYNQMP_PS_VER_MASK; + if (IS_ENABLED(CONFIG_ZYNQMP_FIRMWARE)) { + /* + * Firmware returns: + * payload[0][31:0] = status of the operation + * payload[1] = IDCODE + * payload[2][19:0] = Version + * payload[2][28:20] = EXTENDED_IDCODE + * payload[2][29] = PL_INIT + */ + u32 idcode = ret_payload[1]; + u32 idcode2 = ret_payload[2] >> + ZYNQMP_CSU_VERSION_EMPTY_SHIFT; + dev_dbg(dev, "IDCODE: 0x%0x, IDCODE2: 0x%0x\n", idcode, + idcode2); + + ret = soc_xilinx_zynqmp_detect_machine(dev, idcode, idcode2); + if (ret) + return ret; + } + return 0; } |