qemu-arm
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: [PATCH v2 4/9] aspeed/smc: Add AST2700 support


From: Jamin Lin
Subject: RE: [PATCH v2 4/9] aspeed/smc: Add AST2700 support
Date: Tue, 12 Mar 2024 09:58:52 +0000

> On 3/4/24 10:29, Jamin Lin wrote:
> > AST2700 fmc/spi controller's address decoding unit is 64KB and only
> > bits [31:16] are used for decoding. Introduce seg_to_reg and
> > reg_to_seg handlers for ast2700 fmc/spi controller.
> > In addition, adds ast2700 fmc, spi0, spi1, and spi2 class init handler.
> >
> > AST2700 support the maximum dram size is 8GiB.
> > Update dma_rw function and trace-event to support 64 bits dram
> > address. DMA length is from 1 byte to 32MB for AST2700, AST2600 and
> > AST10x0 and DMA length is from 4 bytes to 32MB for AST2500.
> >
> > In other words, if "R_DMA_LEN" is 0, it should move at least 1 byte
> > data for AST2700, AST2600 and AST10x0 and 4 bytes data for AST2500.
> > To support all ASPEED SOCs, adds dma_start_length parameter to store
> > the start length and update DMA_LENGTH mask to "1FFFFFF" to fix dma
> > moving incorrect data length issue.
> >
> > Currently, dma_rw function only supports length 4 bytes aligned.
> >
> > Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
> > Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
> > ---
> >   hw/ssi/aspeed_smc.c         | 326
> +++++++++++++++++++++++++++++++++---
> >   hw/ssi/trace-events         |   2 +-
> >   include/hw/ssi/aspeed_smc.h |   1 +
> >   3 files changed, 309 insertions(+), 20 deletions(-)
> >
> > diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c index
> > 3c93936fd1..73121edf2b 100644
> > --- a/hw/ssi/aspeed_smc.c
> > +++ b/hw/ssi/aspeed_smc.c
> > @@ -131,6 +131,9 @@
> >   #define   FMC_WDT2_CTRL_BOOT_SOURCE      BIT(4) /* O: primary
> 1: alternate */
> >   #define   FMC_WDT2_CTRL_EN               BIT(0)
> >
> > +/* DMA DRAM Side Address High Part (AST2700) */
> > +#define R_DMA_DRAM_ADDR_HIGH   (0x7c / 4)
> > +
> >   /* DMA Control/Status Register */
> >   #define R_DMA_CTRL        (0x80 / 4)
> >   #define   DMA_CTRL_REQUEST      (1 << 31)
> > @@ -177,13 +180,18 @@
> >    * DMA flash addresses should be 4 bytes aligned and the valid address
> >    * range is 0x20000000 - 0x2FFFFFFF.
> >    *
> > - * DMA length is from 4 bytes to 32MB
> > + * DMA length is from 4 bytes to 32MB (AST2500)
> >    *   0: 4 bytes
> >    *   0x7FFFFF: 32M bytes
> > + *
> > + * DMA length is from 1 byte to 32MB (AST2600, AST10x0 and AST2700)
> > + *   0: 1 byte
> > + *   0x1FFFFFF: 32M bytes
> 
> OK. Then, we need to fix the model first before adding  AST2700 support.
Will add
> 
> >    */
> >   #define DMA_DRAM_ADDR(asc, val)   ((val) & (asc)->dma_dram_mask)
> > +#define DMA_DRAM_ADDR_HIGH(val)   ((val) & 0xf)
> >   #define DMA_FLASH_ADDR(asc, val)  ((val) & (asc)->dma_flash_mask)
> > -#define DMA_LENGTH(val)         ((val) & 0x01FFFFFC)
> > +#define DMA_LENGTH(val)         ((val) & 0x01FFFFFF)
> >
> >   /* Flash opcodes. */
> >   #define SPI_OP_READ       0x03    /* Read data bytes (low
> frequency) */
> > @@ -202,6 +210,7 @@ static const AspeedSegments
> aspeed_2500_spi2_segments[];
> >   #define ASPEED_SMC_FEATURE_DMA       0x1
> >   #define ASPEED_SMC_FEATURE_DMA_GRANT 0x2
> >   #define ASPEED_SMC_FEATURE_WDT_CONTROL 0x4
> > +#define ASPEED_SMC_FEATURE_DMA_DRAM_ADDR_HIGH 0x08
> >
> >   static inline bool aspeed_smc_has_dma(const AspeedSMCClass *asc)
> >   {
> > @@ -213,6 +222,11 @@ static inline bool
> aspeed_smc_has_wdt_control(const AspeedSMCClass *asc)
> >       return !!(asc->features & ASPEED_SMC_FEATURE_WDT_CONTROL);
> >   }
> >
> > +static inline bool aspeed_smc_has_dma_dram_addr_high(const
> > +AspeedSMCClass *asc) {
> > +    return !!(asc->features &
> ASPEED_SMC_FEATURE_DMA_DRAM_ADDR_HIGH);
> > +}
> > +
> >   #define aspeed_smc_error(fmt, ...)
> \
> >       qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt "\n", __func__, ##
> > __VA_ARGS__)
> >
> > @@ -655,7 +669,7 @@ static const MemoryRegionOps
> aspeed_smc_flash_ops = {
> >       .endianness = DEVICE_LITTLE_ENDIAN,
> >       .valid = {
> >           .min_access_size = 1,
> > -        .max_access_size = 4,
> > +        .max_access_size = 8,
> >       },
> >   };
> >
> > @@ -734,6 +748,9 @@ static uint64_t aspeed_smc_read(void *opaque,
> hwaddr addr, unsigned int size)
> >           (aspeed_smc_has_dma(asc) && addr == R_DMA_CTRL) ||
> >           (aspeed_smc_has_dma(asc) && addr == R_DMA_FLASH_ADDR)
> ||
> >           (aspeed_smc_has_dma(asc) && addr == R_DMA_DRAM_ADDR)
> ||
> > +        (aspeed_smc_has_dma(asc) &&
> > +         aspeed_smc_has_dma_dram_addr_high(asc) &&
> > +         addr == R_DMA_DRAM_ADDR_HIGH) ||
> >           (aspeed_smc_has_dma(asc) && addr == R_DMA_LEN) ||
> >           (aspeed_smc_has_dma(asc) && addr == R_DMA_CHECKSUM)
> ||
> >           (addr >= R_SEG_ADDR0 &&
> > @@ -840,8 +857,11 @@ static bool
> aspeed_smc_inject_read_failure(AspeedSMCState *s)
> >    */
> >   static void aspeed_smc_dma_checksum(AspeedSMCState *s)
> >   {
> > +    AspeedSMCClass *asc = ASPEED_SMC_GET_CLASS(s);
> >       MemTxResult result;
> > +    uint32_t dma_len;
> >       uint32_t data;
> > +    uint32_t extra;
> >
> >       if (s->regs[R_DMA_CTRL] & DMA_CTRL_WRITE) {
> >           aspeed_smc_error("invalid direction for DMA checksum"); @@
> > -852,7 +872,14 @@ static void
> aspeed_smc_dma_checksum(AspeedSMCState *s)
> >           aspeed_smc_dma_calibration(s);
> >       }
> >
> > -    while (s->regs[R_DMA_LEN]) {
> > +    dma_len = s->regs[R_DMA_LEN] + asc->dma_start_length;
> > +    /* dma length 4 bytes aligned */
> > +    extra = dma_len % 4;
> > +    if (extra != 0) {
> > +        dma_len += 4 - extra;
> > +    }
> > +
> > +    while (dma_len) {
> >           data = address_space_ldl_le(&s->flash_as,
> s->regs[R_DMA_FLASH_ADDR],
> >                                       MEMTXATTRS_UNSPECIFIED,
> &result);
> >           if (result != MEMTX_OK) {
> > @@ -868,7 +895,8 @@ static void
> aspeed_smc_dma_checksum(AspeedSMCState *s)
> >            */
> >           s->regs[R_DMA_CHECKSUM] += data;
> >           s->regs[R_DMA_FLASH_ADDR] += 4;
> > -        s->regs[R_DMA_LEN] -= 4;
> > +        dma_len -= 4;
> > +        s->regs[R_DMA_LEN] = dma_len;
> >       }
> >
> >       if (s->inject_failure && aspeed_smc_inject_read_failure(s)) { @@
> > -879,21 +907,44 @@ static void
> aspeed_smc_dma_checksum(AspeedSMCState
> > *s)
> >
> >   static void aspeed_smc_dma_rw(AspeedSMCState *s)
> >   {
> > +    AspeedSMCClass *asc = ASPEED_SMC_GET_CLASS(s);
> > +    uint64_t dram_addr_high;
> > +    uint64_t dma_dram_addr;
> > +    uint64_t dram_addr;
> >       MemTxResult result;
> > +    uint32_t dma_len;
> >       uint32_t data;
> > +    uint32_t extra;
> > +
> > +    if (aspeed_smc_has_dma_dram_addr_high(asc)) {
> > +        dram_addr_high = s->regs[R_DMA_DRAM_ADDR_HIGH];
> > +        dram_addr_high <<= 32;
> > +        dma_dram_addr = dram_addr_high |
> s->regs[R_DMA_DRAM_ADDR];
> > +        dram_addr = dma_dram_addr - s->dram_mr->container->addr;
> > +    } else {
> > +        dma_dram_addr = s->regs[R_DMA_DRAM_ADDR];
> > +        dram_addr = dma_dram_addr;
> > +    }
> > +
> > +    dma_len = s->regs[R_DMA_LEN] + asc->dma_start_length;
> > +    /* dma length 4 bytes aligned */
> > +    extra = dma_len % 4;
> > +    if (extra != 0) {
> > +        dma_len += 4 - extra;
> > +    }
> 
> 
> I find the calculation in aspeed_smc_dma_checksum() and
> aspeed_smc_dma_rw() confusing. Can you please add helper routines to
> compute DMA_DRAM_ADDR and DMA_LEN ? Please do that in a separate
> patch before adding AST2700 support.
> 
Will add

Thanks for your review and suggestion.
Jamin

> 
> Thanks,
> 
> C.
> 
> 
> 
> >       trace_aspeed_smc_dma_rw(s->regs[R_DMA_CTRL] &
> DMA_CTRL_WRITE ?
> >                               "write" : "read",
> >                               s->regs[R_DMA_FLASH_ADDR],
> > -                            s->regs[R_DMA_DRAM_ADDR],
> > -                            s->regs[R_DMA_LEN]);
> > -    while (s->regs[R_DMA_LEN]) {
> > +                            dram_addr,
> > +                            dma_len);
> > +
> > +    while (dma_len) {
> >           if (s->regs[R_DMA_CTRL] & DMA_CTRL_WRITE) {
> > -            data = address_space_ldl_le(&s->dram_as,
> s->regs[R_DMA_DRAM_ADDR],
> > +            data = address_space_ldl_le(&s->dram_as, dram_addr,
> >
> MEMTXATTRS_UNSPECIFIED, &result);
> >               if (result != MEMTX_OK) {
> > -                aspeed_smc_error("DRAM read failed @%08x",
> > -                                 s->regs[R_DMA_DRAM_ADDR]);
> > +                aspeed_smc_error("DRAM read failed @%" PRIx64,
> > + dram_addr);
> >                   return;
> >               }
> >
> > @@ -913,11 +964,10 @@ static void aspeed_smc_dma_rw(AspeedSMCState
> *s)
> >                   return;
> >               }
> >
> > -            address_space_stl_le(&s->dram_as,
> s->regs[R_DMA_DRAM_ADDR],
> > +            address_space_stl_le(&s->dram_as, dram_addr,
> >                                    data,
> MEMTXATTRS_UNSPECIFIED, &result);
> >               if (result != MEMTX_OK) {
> > -                aspeed_smc_error("DRAM write failed @%08x",
> > -                                 s->regs[R_DMA_DRAM_ADDR]);
> > +                aspeed_smc_error("DRAM write failed @%" PRIx64,
> > + dram_addr);
> >                   return;
> >               }
> >           }
> > @@ -926,10 +976,18 @@ static void aspeed_smc_dma_rw(AspeedSMCState
> *s)
> >            * When the DMA is on-going, the DMA registers are updated
> >            * with the current working addresses and length.
> >            */
> > +        dram_addr += 4;
> > +        dma_dram_addr += 4;
> > +        if (aspeed_smc_has_dma_dram_addr_high(asc)) {
> > +            dram_addr_high = dma_dram_addr >> 32;
> > +            s->regs[R_DMA_DRAM_ADDR_HIGH] = dram_addr_high;
> > +        }
> > +
> > +        s->regs[R_DMA_DRAM_ADDR] = dma_dram_addr & 0xffffffff;
> >           s->regs[R_DMA_FLASH_ADDR] += 4;
> > -        s->regs[R_DMA_DRAM_ADDR] += 4;
> > -        s->regs[R_DMA_LEN] -= 4;
> >           s->regs[R_DMA_CHECKSUM] += data;
> > +        dma_len -= 4;
> > +        s->regs[R_DMA_LEN] = dma_len;
> >       }
> >   }
> >
> > @@ -1079,6 +1137,10 @@ static void aspeed_smc_write(void *opaque,
> hwaddr addr, uint64_t data,
> >       } else if (aspeed_smc_has_dma(asc) && addr == R_DMA_LEN &&
> >                  aspeed_smc_dma_granted(s)) {
> >           s->regs[addr] = DMA_LENGTH(value);
> > +    } else if (aspeed_smc_has_dma(asc) &&
> > +               aspeed_smc_has_dma_dram_addr_high(asc) &&
> > +               addr == R_DMA_DRAM_ADDR_HIGH) {
> > +        s->regs[addr] = DMA_DRAM_ADDR_HIGH(value);
> >       } else {
> >           qemu_log_mask(LOG_UNIMP, "%s: not implemented: 0x%"
> HWADDR_PRIx "\n",
> >                         __func__, addr); @@ -1372,6 +1434,7 @@
> static
> > void aspeed_2400_fmc_class_init(ObjectClass *klass, void *data)
> >       asc->features          = ASPEED_SMC_FEATURE_DMA;
> >       asc->dma_flash_mask    = 0x0FFFFFFC;
> >       asc->dma_dram_mask     = 0x1FFFFFFC;
> > +    asc->dma_start_length  = 4;
> >       asc->nregs             = ASPEED_SMC_R_MAX;
> >       asc->segment_to_reg    = aspeed_smc_segment_to_reg;
> >       asc->reg_to_segment    = aspeed_smc_reg_to_segment;
> > @@ -1439,7 +1502,7 @@ static void
> aspeed_2500_fmc_class_init(ObjectClass *klass, void *data)
> >       DeviceClass *dc = DEVICE_CLASS(klass);
> >       AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass);
> >
> > -    dc->desc               = "Aspeed 2600 FMC Controller";
> > +    dc->desc               = "Aspeed 2500 FMC Controller";
> >       asc->r_conf            = R_CONF;
> >       asc->r_ce_ctrl         = R_CE_CTRL;
> >       asc->r_ctrl0           = R_CTRL0;
> > @@ -1455,6 +1518,7 @@ static void
> aspeed_2500_fmc_class_init(ObjectClass *klass, void *data)
> >       asc->features          = ASPEED_SMC_FEATURE_DMA;
> >       asc->dma_flash_mask    = 0x0FFFFFFC;
> >       asc->dma_dram_mask     = 0x3FFFFFFC;
> > +    asc->dma_start_length  = 4;
> >       asc->nregs             = ASPEED_SMC_R_MAX;
> >       asc->segment_to_reg    = aspeed_smc_segment_to_reg;
> >       asc->reg_to_segment    = aspeed_smc_reg_to_segment;
> > @@ -1477,7 +1541,7 @@ static void
> aspeed_2500_spi1_class_init(ObjectClass *klass, void *data)
> >       DeviceClass *dc = DEVICE_CLASS(klass);
> >       AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass);
> >
> > -    dc->desc               = "Aspeed 2600 SPI1 Controller";
> > +    dc->desc               = "Aspeed 2500 SPI1 Controller";
> >       asc->r_conf            = R_CONF;
> >       asc->r_ce_ctrl         = R_CE_CTRL;
> >       asc->r_ctrl0           = R_CTRL0;
> > @@ -1512,7 +1576,7 @@ static void
> aspeed_2500_spi2_class_init(ObjectClass *klass, void *data)
> >       DeviceClass *dc = DEVICE_CLASS(klass);
> >       AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass);
> >
> > -    dc->desc               = "Aspeed 2600 SPI2 Controller";
> > +    dc->desc               = "Aspeed 2500 SPI2 Controller";
> >       asc->r_conf            = R_CONF;
> >       asc->r_ce_ctrl         = R_CE_CTRL;
> >       asc->r_ctrl0           = R_CTRL0;
> > @@ -1611,6 +1675,7 @@ static void
> aspeed_2600_fmc_class_init(ObjectClass *klass, void *data)
> >
> ASPEED_SMC_FEATURE_WDT_CONTROL;
> >       asc->dma_flash_mask    = 0x0FFFFFFC;
> >       asc->dma_dram_mask     = 0x3FFFFFFC;
> > +    asc->dma_start_length  = 1;
> >       asc->nregs             = ASPEED_SMC_R_MAX;
> >       asc->segment_to_reg    = aspeed_2600_smc_segment_to_reg;
> >       asc->reg_to_segment    = aspeed_2600_smc_reg_to_segment;
> > @@ -1649,6 +1714,7 @@ static void
> aspeed_2600_spi1_class_init(ObjectClass *klass, void *data)
> >
> ASPEED_SMC_FEATURE_DMA_GRANT;
> >       asc->dma_flash_mask    = 0x0FFFFFFC;
> >       asc->dma_dram_mask     = 0x3FFFFFFC;
> > +    asc->dma_start_length  = 1;
> >       asc->nregs             = ASPEED_SMC_R_MAX;
> >       asc->segment_to_reg    = aspeed_2600_smc_segment_to_reg;
> >       asc->reg_to_segment    = aspeed_2600_smc_reg_to_segment;
> > @@ -1688,6 +1754,7 @@ static void
> aspeed_2600_spi2_class_init(ObjectClass *klass, void *data)
> >
> ASPEED_SMC_FEATURE_DMA_GRANT;
> >       asc->dma_flash_mask    = 0x0FFFFFFC;
> >       asc->dma_dram_mask     = 0x3FFFFFFC;
> > +    asc->dma_start_length  = 1;
> >       asc->nregs             = ASPEED_SMC_R_MAX;
> >       asc->segment_to_reg    = aspeed_2600_smc_segment_to_reg;
> >       asc->reg_to_segment    = aspeed_2600_smc_reg_to_segment;
> > @@ -1769,6 +1836,7 @@ static void
> aspeed_1030_fmc_class_init(ObjectClass *klass, void *data)
> >       asc->features          = ASPEED_SMC_FEATURE_DMA;
> >       asc->dma_flash_mask    = 0x0FFFFFFC;
> >       asc->dma_dram_mask     = 0x000BFFFC;
> > +    asc->dma_start_length  = 1;
> >       asc->nregs             = ASPEED_SMC_R_MAX;
> >       asc->segment_to_reg    = aspeed_1030_smc_segment_to_reg;
> >       asc->reg_to_segment    = aspeed_1030_smc_reg_to_segment;
> > @@ -1806,6 +1874,7 @@ static void
> aspeed_1030_spi1_class_init(ObjectClass *klass, void *data)
> >       asc->features          = ASPEED_SMC_FEATURE_DMA;
> >       asc->dma_flash_mask    = 0x0FFFFFFC;
> >       asc->dma_dram_mask     = 0x000BFFFC;
> > +    asc->dma_start_length  = 1;
> >       asc->nregs             = ASPEED_SMC_R_MAX;
> >       asc->segment_to_reg    = aspeed_2600_smc_segment_to_reg;
> >       asc->reg_to_segment    = aspeed_2600_smc_reg_to_segment;
> > @@ -1842,6 +1911,7 @@ static void
> aspeed_1030_spi2_class_init(ObjectClass *klass, void *data)
> >       asc->features          = ASPEED_SMC_FEATURE_DMA;
> >       asc->dma_flash_mask    = 0x0FFFFFFC;
> >       asc->dma_dram_mask     = 0x000BFFFC;
> > +    asc->dma_start_length  = 1;
> >       asc->nregs             = ASPEED_SMC_R_MAX;
> >       asc->segment_to_reg    = aspeed_2600_smc_segment_to_reg;
> >       asc->reg_to_segment    = aspeed_2600_smc_reg_to_segment;
> > @@ -1854,6 +1924,220 @@ static const TypeInfo aspeed_1030_spi2_info = {
> >       .class_init = aspeed_1030_spi2_class_init,
> >   };
> >
> > +/*
> > + * The FMC Segment Registers of the AST2700 have a 64KB unit.
> > + * Only bits [31:16] are used for decoding.
> > + */
> > +#define AST2700_SEG_ADDR_MASK 0xffff0000
> > +
> > +static uint32_t aspeed_2700_smc_segment_to_reg(const AspeedSMCState
> *s,
> > +                                               const
> AspeedSegments
> > +*seg) {
> > +    uint32_t reg = 0;
> > +
> > +    /* Disabled segments have a nil register */
> > +    if (!seg->size) {
> > +        return 0;
> > +    }
> > +
> > +    reg |= (seg->addr & AST2700_SEG_ADDR_MASK) >> 16; /* start offset
> */
> > +    reg |= (seg->addr + seg->size - 1) & AST2700_SEG_ADDR_MASK; /*
> end offset */
> > +    return reg;
> > +}
> > +
> > +static void aspeed_2700_smc_reg_to_segment(const AspeedSMCState *s,
> > +                                           uint32_t reg,
> > +AspeedSegments *seg) {
> > +    uint32_t start_offset = (reg << 16) & AST2700_SEG_ADDR_MASK;
> > +    uint32_t end_offset = reg & AST2700_SEG_ADDR_MASK;
> > +    AspeedSMCClass *asc = ASPEED_SMC_GET_CLASS(s);
> > +
> > +    if (reg) {
> > +        seg->addr = asc->flash_window_base + start_offset;
> > +        seg->size = end_offset + (64 * KiB) - start_offset;
> > +    } else {
> > +        seg->addr = asc->flash_window_base;
> > +        seg->size = 0;
> > +    }
> > +}
> > +
> > +static const uint32_t aspeed_2700_fmc_resets[ASPEED_SMC_R_MAX] = {
> > +    [R_CONF] = (CONF_FLASH_TYPE_SPI << CONF_FLASH_TYPE0 |
> > +            CONF_FLASH_TYPE_SPI << CONF_FLASH_TYPE1),
> > +    [R_CE_CTRL] = 0x0000aa00,
> > +    [R_CTRL0] = 0x406b0641,
> > +    [R_CTRL1] = 0x00000400,
> > +    [R_CTRL2] = 0x00000400,
> > +    [R_CTRL3] = 0x00000400,
> > +    [R_SEG_ADDR0] = 0x08000000,
> > +    [R_SEG_ADDR1] = 0x10000800,
> > +    [R_SEG_ADDR2] = 0x00000000,
> > +    [R_SEG_ADDR3] = 0x00000000,
> > +    [R_DUMMY_DATA] = 0x00010000,
> > +    [R_DMA_DRAM_ADDR_HIGH] = 0x00000000,
> > +    [R_TIMINGS] = 0x007b0000,
> > +};
> > +
> > +static const AspeedSegments aspeed_2700_fmc_segments[] = {
> > +    { 0x0, 128 * MiB }, /* start address is readonly */
> > +    { 128 * MiB, 128 * MiB }, /* default is disabled but needed for -kernel
> */
> > +    { 256 * MiB, 128 * MiB }, /* default is disabled but needed for -kernel
> */
> > +    { 0x0, 0 }, /* disabled */
> > +};
> > +
> > +static void aspeed_2700_fmc_class_init(ObjectClass *klass, void
> > +*data) {
> > +    DeviceClass *dc = DEVICE_CLASS(klass);
> > +    AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass);
> > +
> > +    dc->desc               = "Aspeed 2700 FMC Controller";
> > +    asc->r_conf            = R_CONF;
> > +    asc->r_ce_ctrl         = R_CE_CTRL;
> > +    asc->r_ctrl0           = R_CTRL0;
> > +    asc->r_timings         = R_TIMINGS;
> > +    asc->nregs_timings     = 3;
> > +    asc->conf_enable_w0    = CONF_ENABLE_W0;
> > +    asc->cs_num_max        = 3;
> > +    asc->segments          = aspeed_2700_fmc_segments;
> > +    asc->segment_addr_mask = 0xffffffff;
> > +    asc->resets            = aspeed_2700_fmc_resets;
> > +    asc->flash_window_base = 0x100000000;
> > +    asc->flash_window_size = 1 * GiB;
> > +    asc->features          = ASPEED_SMC_FEATURE_DMA |
> > +
> ASPEED_SMC_FEATURE_DMA_DRAM_ADDR_HIGH;
> > +    asc->dma_flash_mask    = 0x2FFFFFFC;
> > +    asc->dma_dram_mask     = 0xFFFFFFFC;
> > +    asc->dma_start_length  = 1;
> > +    asc->nregs             = ASPEED_SMC_R_MAX;
> > +    asc->segment_to_reg    = aspeed_2700_smc_segment_to_reg;
> > +    asc->reg_to_segment    = aspeed_2700_smc_reg_to_segment;
> > +    asc->dma_ctrl          = aspeed_2600_smc_dma_ctrl;
> > +}
> > +
> > +static const TypeInfo aspeed_2700_fmc_info = {
> > +    .name =  "aspeed.fmc-ast2700",
> > +    .parent = TYPE_ASPEED_SMC,
> > +    .class_init = aspeed_2700_fmc_class_init, };
> > +
> > +static const AspeedSegments aspeed_2700_spi0_segments[] = {
> > +    { 0x0, 128 * MiB }, /* start address is readonly */
> > +    { 128 * MiB, 128 * MiB }, /* start address is readonly */
> > +    { 0x0, 0 }, /* disabled */
> > +};
> > +
> > +static void aspeed_2700_spi0_class_init(ObjectClass *klass, void
> > +*data) {
> > +    DeviceClass *dc = DEVICE_CLASS(klass);
> > +    AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass);
> > +
> > +    dc->desc               = "Aspeed 2700 SPI0 Controller";
> > +    asc->r_conf            = R_CONF;
> > +    asc->r_ce_ctrl         = R_CE_CTRL;
> > +    asc->r_ctrl0           = R_CTRL0;
> > +    asc->r_timings         = R_TIMINGS;
> > +    asc->nregs_timings     = 2;
> > +    asc->conf_enable_w0    = CONF_ENABLE_W0;
> > +    asc->cs_num_max        = 2;
> > +    asc->segments          = aspeed_2700_spi0_segments;
> > +    asc->segment_addr_mask = 0xffffffff;
> > +    asc->flash_window_base = 0x180000000;
> > +    asc->flash_window_size = 1 * GiB;
> > +    asc->features          = ASPEED_SMC_FEATURE_DMA |
> > +
> ASPEED_SMC_FEATURE_DMA_DRAM_ADDR_HIGH;
> > +    asc->dma_flash_mask    = 0x2FFFFFFC;
> > +    asc->dma_dram_mask     = 0xFFFFFFFC;
> > +    asc->dma_start_length  = 1;
> > +    asc->nregs             = ASPEED_SMC_R_MAX;
> > +    asc->segment_to_reg    = aspeed_2700_smc_segment_to_reg;
> > +    asc->reg_to_segment    = aspeed_2700_smc_reg_to_segment;
> > +    asc->dma_ctrl          = aspeed_2600_smc_dma_ctrl;
> > +}
> > +
> > +static const TypeInfo aspeed_2700_spi0_info = {
> > +    .name =  "aspeed.spi0-ast2700",
> > +    .parent = TYPE_ASPEED_SMC,
> > +    .class_init = aspeed_2700_spi0_class_init, };
> > +
> > +static const AspeedSegments aspeed_2700_spi1_segments[] = {
> > +    { 0x0, 128 * MiB }, /* start address is readonly */
> > +    { 0x0, 0 }, /* disabled */
> > +};
> > +
> > +static void aspeed_2700_spi1_class_init(ObjectClass *klass, void
> > +*data) {
> > +    DeviceClass *dc = DEVICE_CLASS(klass);
> > +    AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass);
> > +
> > +    dc->desc               = "Aspeed 2700 SPI1 Controller";
> > +    asc->r_conf            = R_CONF;
> > +    asc->r_ce_ctrl         = R_CE_CTRL;
> > +    asc->r_ctrl0           = R_CTRL0;
> > +    asc->r_timings         = R_TIMINGS;
> > +    asc->nregs_timings     = 2;
> > +    asc->conf_enable_w0    = CONF_ENABLE_W0;
> > +    asc->cs_num_max        = 2;
> > +    asc->segments          = aspeed_2700_spi1_segments;
> > +    asc->segment_addr_mask = 0xffffffff;
> > +    asc->flash_window_base = 0x200000000;
> > +    asc->flash_window_size = 1 * GiB;
> > +    asc->features          = ASPEED_SMC_FEATURE_DMA |
> > +
> ASPEED_SMC_FEATURE_DMA_DRAM_ADDR_HIGH;
> > +    asc->dma_flash_mask    = 0x2FFFFFFC;
> > +    asc->dma_dram_mask     = 0xFFFFFFFC;
> > +    asc->dma_start_length  = 1;
> > +    asc->nregs             = ASPEED_SMC_R_MAX;
> > +    asc->segment_to_reg    = aspeed_2700_smc_segment_to_reg;
> > +    asc->reg_to_segment    = aspeed_2700_smc_reg_to_segment;
> > +    asc->dma_ctrl          = aspeed_2600_smc_dma_ctrl;
> > +}
> > +
> > +static const TypeInfo aspeed_2700_spi1_info = {
> > +        .name =  "aspeed.spi1-ast2700",
> > +        .parent = TYPE_ASPEED_SMC,
> > +        .class_init = aspeed_2700_spi1_class_init, };
> > +
> > +static const AspeedSegments aspeed_2700_spi2_segments[] = {
> > +    { 0x0, 128 * MiB }, /* start address is readonly */
> > +    { 0x0, 0 }, /* disabled */
> > +};
> > +
> > +static void aspeed_2700_spi2_class_init(ObjectClass *klass, void
> > +*data) {
> > +    DeviceClass *dc = DEVICE_CLASS(klass);
> > +    AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass);
> > +
> > +    dc->desc               = "Aspeed 2700 SPI2 Controller";
> > +    asc->r_conf            = R_CONF;
> > +    asc->r_ce_ctrl         = R_CE_CTRL;
> > +    asc->r_ctrl0           = R_CTRL0;
> > +    asc->r_timings         = R_TIMINGS;
> > +    asc->nregs_timings     = 2;
> > +    asc->conf_enable_w0    = CONF_ENABLE_W0;
> > +    asc->cs_num_max        = 2;
> > +    asc->segments          = aspeed_2700_spi2_segments;
> > +    asc->segment_addr_mask = 0xffffffff;
> > +    asc->flash_window_base = 0x280000000;
> > +    asc->flash_window_size = 1 * GiB;
> > +    asc->features          = ASPEED_SMC_FEATURE_DMA |
> > +
> ASPEED_SMC_FEATURE_DMA_DRAM_ADDR_HIGH;
> > +    asc->dma_flash_mask    = 0x0FFFFFFC;
> > +    asc->dma_dram_mask     = 0xFFFFFFFC;
> > +    asc->dma_start_length  = 1;
> > +    asc->nregs             = ASPEED_SMC_R_MAX;
> > +    asc->segment_to_reg    = aspeed_2700_smc_segment_to_reg;
> > +    asc->reg_to_segment    = aspeed_2700_smc_reg_to_segment;
> > +    asc->dma_ctrl          = aspeed_2600_smc_dma_ctrl;
> > +}
> > +
> > +static const TypeInfo aspeed_2700_spi2_info = {
> > +        .name =  "aspeed.spi2-ast2700",
> > +        .parent = TYPE_ASPEED_SMC,
> > +        .class_init = aspeed_2700_spi2_class_init, };
> > +
> >   static void aspeed_smc_register_types(void)
> >   {
> >       type_register_static(&aspeed_smc_flash_info);
> > @@ -1870,6 +2154,10 @@ static void aspeed_smc_register_types(void)
> >       type_register_static(&aspeed_1030_fmc_info);
> >       type_register_static(&aspeed_1030_spi1_info);
> >       type_register_static(&aspeed_1030_spi2_info);
> > +    type_register_static(&aspeed_2700_fmc_info);
> > +    type_register_static(&aspeed_2700_spi0_info);
> > +    type_register_static(&aspeed_2700_spi1_info);
> > +    type_register_static(&aspeed_2700_spi2_info);
> >   }
> >
> >   type_init(aspeed_smc_register_types)
> > diff --git a/hw/ssi/trace-events b/hw/ssi/trace-events index
> > 2d5bd2b83d..7b5ad6a939 100644
> > --- a/hw/ssi/trace-events
> > +++ b/hw/ssi/trace-events
> > @@ -6,7 +6,7 @@ aspeed_smc_do_snoop(int cs, int index, int dummies, int
> data) "CS%d index:0x%x d
> >   aspeed_smc_flash_write(int cs, uint64_t addr,  uint32_t size, uint64_t
> data, int mode) "CS%d @0x%" PRIx64 " size %u: 0x%" PRIx64" mode:%d"
> >   aspeed_smc_read(uint64_t addr,  uint32_t size, uint64_t data) "@0x%"
> PRIx64 " size %u: 0x%" PRIx64
> >   aspeed_smc_dma_checksum(uint32_t addr, uint32_t data) "0x%08x:
> 0x%08x"
> > -aspeed_smc_dma_rw(const char *dir, uint32_t flash_addr, uint32_t
> dram_addr, uint32_t size) "%s flash:@0x%08x dram:@0x%08x size:0x%08x"
> > +aspeed_smc_dma_rw(const char *dir, uint32_t flash_addr, uint64_t
> dram_addr, uint32_t size) "%s flash:@0x%08x dram:@0x%" PRIx64 "
> size:0x%08x"
> >   aspeed_smc_write(uint64_t addr,  uint32_t size, uint64_t data) "@0x%"
> PRIx64 " size %u: 0x%" PRIx64
> >   aspeed_smc_flash_select(int cs, const char *prefix) "CS%d %sselect"
> >
> > diff --git a/include/hw/ssi/aspeed_smc.h b/include/hw/ssi/aspeed_smc.h
> > index 8e1dda556b..f359ed22cc 100644
> > --- a/include/hw/ssi/aspeed_smc.h
> > +++ b/include/hw/ssi/aspeed_smc.h
> > @@ -106,6 +106,7 @@ struct AspeedSMCClass {
> >       uint32_t features;
> >       hwaddr dma_flash_mask;
> >       hwaddr dma_dram_mask;
> > +    uint32_t dma_start_length;
> >       uint32_t nregs;
> >       uint32_t (*segment_to_reg)(const AspeedSMCState *s,
> >                                  const AspeedSegments *seg);


reply via email to

[Prev in Thread] Current Thread [Next in Thread]