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Diffstat (limited to 'hw/misc/zynq_slcr.c')
-rw-r--r--hw/misc/zynq_slcr.c536
1 files changed, 536 insertions, 0 deletions
diff --git a/hw/misc/zynq_slcr.c b/hw/misc/zynq_slcr.c
new file mode 100644
index 0000000000..8418327261
--- /dev/null
+++ b/hw/misc/zynq_slcr.c
@@ -0,0 +1,536 @@
+/*
+ * Status and system control registers for Xilinx Zynq Platform
+ *
+ * Copyright (c) 2011 Michal Simek <monstr@monstr.eu>
+ * Copyright (c) 2012 PetaLogix Pty Ltd.
+ * Based on hw/arm_sysctl.c, written by Paul Brook
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "hw/hw.h"
+#include "qemu/timer.h"
+#include "hw/sysbus.h"
+#include "sysemu/sysemu.h"
+
+#ifdef ZYNQ_ARM_SLCR_ERR_DEBUG
+#define DB_PRINT(...) do { \
+ fprintf(stderr, ": %s: ", __func__); \
+ fprintf(stderr, ## __VA_ARGS__); \
+ } while (0);
+#else
+ #define DB_PRINT(...)
+#endif
+
+#define XILINX_LOCK_KEY 0x767b
+#define XILINX_UNLOCK_KEY 0xdf0d
+
+typedef enum {
+ ARM_PLL_CTRL,
+ DDR_PLL_CTRL,
+ IO_PLL_CTRL,
+ PLL_STATUS,
+ ARM_PPL_CFG,
+ DDR_PLL_CFG,
+ IO_PLL_CFG,
+ PLL_BG_CTRL,
+ PLL_MAX
+} PLLValues;
+
+typedef enum {
+ ARM_CLK_CTRL,
+ DDR_CLK_CTRL,
+ DCI_CLK_CTRL,
+ APER_CLK_CTRL,
+ USB0_CLK_CTRL,
+ USB1_CLK_CTRL,
+ GEM0_RCLK_CTRL,
+ GEM1_RCLK_CTRL,
+ GEM0_CLK_CTRL,
+ GEM1_CLK_CTRL,
+ SMC_CLK_CTRL,
+ LQSPI_CLK_CTRL,
+ SDIO_CLK_CTRL,
+ UART_CLK_CTRL,
+ SPI_CLK_CTRL,
+ CAN_CLK_CTRL,
+ CAN_MIOCLK_CTRL,
+ DBG_CLK_CTRL,
+ PCAP_CLK_CTRL,
+ TOPSW_CLK_CTRL,
+ CLK_MAX
+} ClkValues;
+
+typedef enum {
+ CLK_CTRL,
+ THR_CTRL,
+ THR_CNT,
+ THR_STA,
+ FPGA_MAX
+} FPGAValues;
+
+typedef enum {
+ SYNC_CTRL,
+ SYNC_STATUS,
+ BANDGAP_TRIP,
+ CC_TEST,
+ PLL_PREDIVISOR,
+ CLK_621_TRUE,
+ PICTURE_DBG,
+ PICTURE_DBG_UCNT,
+ PICTURE_DBG_LCNT,
+ MISC_MAX
+} MiscValues;
+
+typedef enum {
+ PSS,
+ DDDR,
+ DMAC = 3,
+ USB,
+ GEM,
+ SDIO,
+ SPI,
+ CAN,
+ I2C,
+ UART,
+ GPIO,
+ LQSPI,
+ SMC,
+ OCM,
+ DEVCI,
+ FPGA,
+ A9_CPU,
+ RS_AWDT,
+ RST_REASON,
+ RST_REASON_CLR,
+ REBOOT_STATUS,
+ BOOT_MODE,
+ RESET_MAX
+} ResetValues;
+
+typedef struct {
+ SysBusDevice busdev;
+ MemoryRegion iomem;
+
+ union {
+ struct {
+ uint16_t scl;
+ uint16_t lockval;
+ uint32_t pll[PLL_MAX]; /* 0x100 - 0x11C */
+ uint32_t clk[CLK_MAX]; /* 0x120 - 0x16C */
+ uint32_t fpga[4][FPGA_MAX]; /* 0x170 - 0x1AC */
+ uint32_t misc[MISC_MAX]; /* 0x1B0 - 0x1D8 */
+ uint32_t reset[RESET_MAX]; /* 0x200 - 0x25C */
+ uint32_t apu_ctrl; /* 0x300 */
+ uint32_t wdt_clk_sel; /* 0x304 */
+ uint32_t tz_ocm[3]; /* 0x400 - 0x408 */
+ uint32_t tz_ddr; /* 0x430 */
+ uint32_t tz_dma[3]; /* 0x440 - 0x448 */
+ uint32_t tz_misc[3]; /* 0x450 - 0x458 */
+ uint32_t tz_fpga[2]; /* 0x484 - 0x488 */
+ uint32_t dbg_ctrl; /* 0x500 */
+ uint32_t pss_idcode; /* 0x530 */
+ uint32_t ddr[8]; /* 0x600 - 0x620 - 0x604-missing */
+ uint32_t mio[54]; /* 0x700 - 0x7D4 */
+ uint32_t mio_func[4]; /* 0x800 - 0x810 */
+ uint32_t sd[2]; /* 0x830 - 0x834 */
+ uint32_t lvl_shftr_en; /* 0x900 */
+ uint32_t ocm_cfg; /* 0x910 */
+ uint32_t cpu_ram[8]; /* 0xA00 - 0xA1C */
+ uint32_t iou[7]; /* 0xA30 - 0xA48 */
+ uint32_t dmac_ram; /* 0xA50 */
+ uint32_t afi[4][3]; /* 0xA60 - 0xA8C */
+ uint32_t ocm[3]; /* 0xA90 - 0xA98 */
+ uint32_t devci_ram; /* 0xAA0 */
+ uint32_t csg_ram; /* 0xAB0 */
+ uint32_t gpiob[12]; /* 0xB00 - 0xB2C */
+ uint32_t ddriob[14]; /* 0xB40 - 0xB74 */
+ };
+ uint8_t data[0x1000];
+ };
+} ZynqSLCRState;
+
+static void zynq_slcr_reset(DeviceState *d)
+{
+ int i;
+ ZynqSLCRState *s =
+ FROM_SYSBUS(ZynqSLCRState, SYS_BUS_DEVICE(d));
+
+ DB_PRINT("RESET\n");
+
+ s->lockval = 1;
+ /* 0x100 - 0x11C */
+ s->pll[ARM_PLL_CTRL] = 0x0001A008;
+ s->pll[DDR_PLL_CTRL] = 0x0001A008;
+ s->pll[IO_PLL_CTRL] = 0x0001A008;
+ s->pll[PLL_STATUS] = 0x0000003F;
+ s->pll[ARM_PPL_CFG] = 0x00014000;
+ s->pll[DDR_PLL_CFG] = 0x00014000;
+ s->pll[IO_PLL_CFG] = 0x00014000;
+
+ /* 0x120 - 0x16C */
+ s->clk[ARM_CLK_CTRL] = 0x1F000400;
+ s->clk[DDR_CLK_CTRL] = 0x18400003;
+ s->clk[DCI_CLK_CTRL] = 0x01E03201;
+ s->clk[APER_CLK_CTRL] = 0x01FFCCCD;
+ s->clk[USB0_CLK_CTRL] = s->clk[USB1_CLK_CTRL] = 0x00101941;
+ s->clk[GEM0_RCLK_CTRL] = s->clk[GEM1_RCLK_CTRL] = 0x00000001;
+ s->clk[GEM0_CLK_CTRL] = s->clk[GEM1_CLK_CTRL] = 0x00003C01;
+ s->clk[SMC_CLK_CTRL] = 0x00003C01;
+ s->clk[LQSPI_CLK_CTRL] = 0x00002821;
+ s->clk[SDIO_CLK_CTRL] = 0x00001E03;
+ s->clk[UART_CLK_CTRL] = 0x00003F03;
+ s->clk[SPI_CLK_CTRL] = 0x00003F03;
+ s->clk[CAN_CLK_CTRL] = 0x00501903;
+ s->clk[DBG_CLK_CTRL] = 0x00000F03;
+ s->clk[PCAP_CLK_CTRL] = 0x00000F01;
+
+ /* 0x170 - 0x1AC */
+ s->fpga[0][CLK_CTRL] = s->fpga[1][CLK_CTRL] = s->fpga[2][CLK_CTRL] =
+ s->fpga[3][CLK_CTRL] = 0x00101800;
+ s->fpga[0][THR_STA] = s->fpga[1][THR_STA] = s->fpga[2][THR_STA] =
+ s->fpga[3][THR_STA] = 0x00010000;
+
+ /* 0x1B0 - 0x1D8 */
+ s->misc[BANDGAP_TRIP] = 0x0000001F;
+ s->misc[PLL_PREDIVISOR] = 0x00000001;
+ s->misc[CLK_621_TRUE] = 0x00000001;
+
+ /* 0x200 - 0x25C */
+ s->reset[FPGA] = 0x01F33F0F;
+ s->reset[RST_REASON] = 0x00000040;
+
+ /* 0x700 - 0x7D4 */
+ for (i = 0; i < 54; i++) {
+ s->mio[i] = 0x00001601;
+ }
+ for (i = 2; i <= 8; i++) {
+ s->mio[i] = 0x00000601;
+ }
+
+ /* MIO_MST_TRI0, MIO_MST_TRI1 */
+ s->mio_func[2] = s->mio_func[3] = 0xFFFFFFFF;
+
+ s->cpu_ram[0] = s->cpu_ram[1] = s->cpu_ram[3] =
+ s->cpu_ram[4] = s->cpu_ram[7] = 0x00010101;
+ s->cpu_ram[2] = s->cpu_ram[5] = 0x01010101;
+ s->cpu_ram[6] = 0x00000001;
+
+ s->iou[0] = s->iou[1] = s->iou[2] = s->iou[3] = 0x09090909;
+ s->iou[4] = s->iou[5] = 0x00090909;
+ s->iou[6] = 0x00000909;
+
+ s->dmac_ram = 0x00000009;
+
+ s->afi[0][0] = s->afi[0][1] = 0x09090909;
+ s->afi[1][0] = s->afi[1][1] = 0x09090909;
+ s->afi[2][0] = s->afi[2][1] = 0x09090909;
+ s->afi[3][0] = s->afi[3][1] = 0x09090909;
+ s->afi[0][2] = s->afi[1][2] = s->afi[2][2] = s->afi[3][2] = 0x00000909;
+
+ s->ocm[0] = 0x01010101;
+ s->ocm[1] = s->ocm[2] = 0x09090909;
+
+ s->devci_ram = 0x00000909;
+ s->csg_ram = 0x00000001;
+
+ s->ddriob[0] = s->ddriob[1] = s->ddriob[2] = s->ddriob[3] = 0x00000e00;
+ s->ddriob[4] = s->ddriob[5] = s->ddriob[6] = 0x00000e00;
+ s->ddriob[12] = 0x00000021;
+}
+
+static inline uint32_t zynq_slcr_read_imp(void *opaque,
+ hwaddr offset)
+{
+ ZynqSLCRState *s = (ZynqSLCRState *)opaque;
+
+ switch (offset) {
+ case 0x0: /* SCL */
+ return s->scl;
+ case 0x4: /* LOCK */
+ case 0x8: /* UNLOCK */
+ DB_PRINT("Reading SCLR_LOCK/UNLOCK is not enabled\n");
+ return 0;
+ case 0x0C: /* LOCKSTA */
+ return s->lockval;
+ case 0x100 ... 0x11C:
+ return s->pll[(offset - 0x100) / 4];
+ case 0x120 ... 0x16C:
+ return s->clk[(offset - 0x120) / 4];
+ case 0x170 ... 0x1AC:
+ return s->fpga[0][(offset - 0x170) / 4];
+ case 0x1B0 ... 0x1D8:
+ return s->misc[(offset - 0x1B0) / 4];
+ case 0x200 ... 0x258:
+ return s->reset[(offset - 0x200) / 4];
+ case 0x25c:
+ return 1;
+ case 0x300:
+ return s->apu_ctrl;
+ case 0x304:
+ return s->wdt_clk_sel;
+ case 0x400 ... 0x408:
+ return s->tz_ocm[(offset - 0x400) / 4];
+ case 0x430:
+ return s->tz_ddr;
+ case 0x440 ... 0x448:
+ return s->tz_dma[(offset - 0x440) / 4];
+ case 0x450 ... 0x458:
+ return s->tz_misc[(offset - 0x450) / 4];
+ case 0x484 ... 0x488:
+ return s->tz_fpga[(offset - 0x484) / 4];
+ case 0x500:
+ return s->dbg_ctrl;
+ case 0x530:
+ return s->pss_idcode;
+ case 0x600 ... 0x620:
+ if (offset == 0x604) {
+ goto bad_reg;
+ }
+ return s->ddr[(offset - 0x600) / 4];
+ case 0x700 ... 0x7D4:
+ return s->mio[(offset - 0x700) / 4];
+ case 0x800 ... 0x810:
+ return s->mio_func[(offset - 0x800) / 4];
+ case 0x830 ... 0x834:
+ return s->sd[(offset - 0x830) / 4];
+ case 0x900:
+ return s->lvl_shftr_en;
+ case 0x910:
+ return s->ocm_cfg;
+ case 0xA00 ... 0xA1C:
+ return s->cpu_ram[(offset - 0xA00) / 4];
+ case 0xA30 ... 0xA48:
+ return s->iou[(offset - 0xA30) / 4];
+ case 0xA50:
+ return s->dmac_ram;
+ case 0xA60 ... 0xA8C:
+ return s->afi[0][(offset - 0xA60) / 4];
+ case 0xA90 ... 0xA98:
+ return s->ocm[(offset - 0xA90) / 4];
+ case 0xAA0:
+ return s->devci_ram;
+ case 0xAB0:
+ return s->csg_ram;
+ case 0xB00 ... 0xB2C:
+ return s->gpiob[(offset - 0xB00) / 4];
+ case 0xB40 ... 0xB74:
+ return s->ddriob[(offset - 0xB40) / 4];
+ default:
+ bad_reg:
+ DB_PRINT("Bad register offset 0x%x\n", (int)offset);
+ return 0;
+ }
+}
+
+static uint64_t zynq_slcr_read(void *opaque, hwaddr offset,
+ unsigned size)
+{
+ uint32_t ret = zynq_slcr_read_imp(opaque, offset);
+
+ DB_PRINT("addr: %08x data: %08x\n", (unsigned)offset, (unsigned)ret);
+ return ret;
+}
+
+static void zynq_slcr_write(void *opaque, hwaddr offset,
+ uint64_t val, unsigned size)
+{
+ ZynqSLCRState *s = (ZynqSLCRState *)opaque;
+
+ DB_PRINT("offset: %08x data: %08x\n", (unsigned)offset, (unsigned)val);
+
+ switch (offset) {
+ case 0x00: /* SCL */
+ s->scl = val & 0x1;
+ return;
+ case 0x4: /* SLCR_LOCK */
+ if ((val & 0xFFFF) == XILINX_LOCK_KEY) {
+ DB_PRINT("XILINX LOCK 0xF8000000 + 0x%x <= 0x%x\n", (int)offset,
+ (unsigned)val & 0xFFFF);
+ s->lockval = 1;
+ } else {
+ DB_PRINT("WRONG XILINX LOCK KEY 0xF8000000 + 0x%x <= 0x%x\n",
+ (int)offset, (unsigned)val & 0xFFFF);
+ }
+ return;
+ case 0x8: /* SLCR_UNLOCK */
+ if ((val & 0xFFFF) == XILINX_UNLOCK_KEY) {
+ DB_PRINT("XILINX UNLOCK 0xF8000000 + 0x%x <= 0x%x\n", (int)offset,
+ (unsigned)val & 0xFFFF);
+ s->lockval = 0;
+ } else {
+ DB_PRINT("WRONG XILINX UNLOCK KEY 0xF8000000 + 0x%x <= 0x%x\n",
+ (int)offset, (unsigned)val & 0xFFFF);
+ }
+ return;
+ case 0xc: /* LOCKSTA */
+ DB_PRINT("Writing SCLR_LOCKSTA is not enabled\n");
+ return;
+ }
+
+ if (!s->lockval) {
+ switch (offset) {
+ case 0x100 ... 0x11C:
+ if (offset == 0x10C) {
+ goto bad_reg;
+ }
+ s->pll[(offset - 0x100) / 4] = val;
+ break;
+ case 0x120 ... 0x16C:
+ s->clk[(offset - 0x120) / 4] = val;
+ break;
+ case 0x170 ... 0x1AC:
+ s->fpga[0][(offset - 0x170) / 4] = val;
+ break;
+ case 0x1B0 ... 0x1D8:
+ s->misc[(offset - 0x1B0) / 4] = val;
+ break;
+ case 0x200 ... 0x25C:
+ if (offset == 0x250) {
+ goto bad_reg;
+ }
+ s->reset[(offset - 0x200) / 4] = val;
+ break;
+ case 0x300:
+ s->apu_ctrl = val;
+ break;
+ case 0x304:
+ s->wdt_clk_sel = val;
+ break;
+ case 0x400 ... 0x408:
+ s->tz_ocm[(offset - 0x400) / 4] = val;
+ break;
+ case 0x430:
+ s->tz_ddr = val;
+ break;
+ case 0x440 ... 0x448:
+ s->tz_dma[(offset - 0x440) / 4] = val;
+ break;
+ case 0x450 ... 0x458:
+ s->tz_misc[(offset - 0x450) / 4] = val;
+ break;
+ case 0x484 ... 0x488:
+ s->tz_fpga[(offset - 0x484) / 4] = val;
+ break;
+ case 0x500:
+ s->dbg_ctrl = val;
+ break;
+ case 0x530:
+ s->pss_idcode = val;
+ break;
+ case 0x600 ... 0x620:
+ if (offset == 0x604) {
+ goto bad_reg;
+ }
+ s->ddr[(offset - 0x600) / 4] = val;
+ break;
+ case 0x700 ... 0x7D4:
+ s->mio[(offset - 0x700) / 4] = val;
+ break;
+ case 0x800 ... 0x810:
+ s->mio_func[(offset - 0x800) / 4] = val;
+ break;
+ case 0x830 ... 0x834:
+ s->sd[(offset - 0x830) / 4] = val;
+ break;
+ case 0x900:
+ s->lvl_shftr_en = val;
+ break;
+ case 0x910:
+ break;
+ case 0xA00 ... 0xA1C:
+ s->cpu_ram[(offset - 0xA00) / 4] = val;
+ break;
+ case 0xA30 ... 0xA48:
+ s->iou[(offset - 0xA30) / 4] = val;
+ break;
+ case 0xA50:
+ s->dmac_ram = val;
+ break;
+ case 0xA60 ... 0xA8C:
+ s->afi[0][(offset - 0xA60) / 4] = val;
+ break;
+ case 0xA90:
+ s->ocm[0] = val;
+ break;
+ case 0xAA0:
+ s->devci_ram = val;
+ break;
+ case 0xAB0:
+ s->csg_ram = val;
+ break;
+ case 0xB00 ... 0xB2C:
+ if (offset == 0xB20 || offset == 0xB2C) {
+ goto bad_reg;
+ }
+ s->gpiob[(offset - 0xB00) / 4] = val;
+ break;
+ case 0xB40 ... 0xB74:
+ s->ddriob[(offset - 0xB40) / 4] = val;
+ break;
+ default:
+ bad_reg:
+ DB_PRINT("Bad register write %x <= %08x\n", (int)offset,
+ (unsigned)val);
+ }
+ } else {
+ DB_PRINT("SCLR registers are locked. Unlock them first\n");
+ }
+}
+
+static const MemoryRegionOps slcr_ops = {
+ .read = zynq_slcr_read,
+ .write = zynq_slcr_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static int zynq_slcr_init(SysBusDevice *dev)
+{
+ ZynqSLCRState *s = FROM_SYSBUS(ZynqSLCRState, dev);
+
+ memory_region_init_io(&s->iomem, &slcr_ops, s, "slcr", 0x1000);
+ sysbus_init_mmio(dev, &s->iomem);
+
+ return 0;
+}
+
+static const VMStateDescription vmstate_zynq_slcr = {
+ .name = "zynq_slcr",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT8_ARRAY(data, ZynqSLCRState, 0x1000),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static void zynq_slcr_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
+
+ sdc->init = zynq_slcr_init;
+ dc->vmsd = &vmstate_zynq_slcr;
+ dc->reset = zynq_slcr_reset;
+}
+
+static const TypeInfo zynq_slcr_info = {
+ .class_init = zynq_slcr_class_init,
+ .name = "xilinx,zynq_slcr",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(ZynqSLCRState),
+};
+
+static void zynq_slcr_register_types(void)
+{
+ type_register_static(&zynq_slcr_info);
+}
+
+type_init(zynq_slcr_register_types)
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-15 02:38:53 +0000