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Re: [PATCH v2 2/9] aspeed/smc: Add AST1030 support
From: |
Jamin Lin |
Subject: |
Re: [PATCH v2 2/9] aspeed/smc: Add AST1030 support |
Date: |
Fri, 1 Apr 2022 09:27:26 +0800 |
User-agent: |
Mutt/1.9.4 (2018-02-28) |
The 03/31/2022 15:59, Cédric Le Goater wrote:
> Hello Jamin,
>
> On 3/31/22 10:15, Jamin Lin wrote:
> > From: Steven Lee <steven_lee@aspeedtech.com>
> >
> > AST1030 spi controller's address decoding unit is 1MB that is identical
> > to ast2600, but fmc address decoding unit is 512kb.
> > Introduce seg_to_reg and reg_to_seg handlers for ast1030 fmc controller.
> > In addition, add ast1030 fmc, spi1, and spi2 class init handler.
> >
> > Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
> > Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
> > Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
>
> I did a review of this patch, anyhow
>
> Reviewed-by: Cédric Le Goater <clg@kaod.org>
>
> but please drop the ASPEED_SMC_FEATURE_WDT_CONTROL flag which is not
> upstream.
>
> Thanks,
>
> C.
>
>
Sorry, I lost to remove it.
Will fix
> > ---
> > hw/ssi/aspeed_smc.c | 160 ++++++++++++++++++++++++++++++++++++++++++++
> > 1 file changed, 160 insertions(+)
> >
> > diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c
> > index 48305e1574..81af783729 100644
> > --- a/hw/ssi/aspeed_smc.c
> > +++ b/hw/ssi/aspeed_smc.c
> > @@ -1696,6 +1696,163 @@ static const TypeInfo aspeed_2600_spi2_info = {
> > .class_init = aspeed_2600_spi2_class_init,
> > };
> >
> > +/*
> > + * The FMC Segment Registers of the AST1030 have a 512KB unit.
> > + * Only bits [27:19] are used for decoding.
> > + */
> > +#define AST1030_SEG_ADDR_MASK 0x0ff80000
> > +
> > +static uint32_t aspeed_1030_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 & AST1030_SEG_ADDR_MASK) >> 16; /* start offset */
> > + reg |= (seg->addr + seg->size - 1) & AST1030_SEG_ADDR_MASK; /* end
> > offset */
> > + return reg;
> > +}
> > +
> > +static void aspeed_1030_smc_reg_to_segment(const AspeedSMCState *s,
> > + uint32_t reg, AspeedSegments *seg)
> > +{
> > + uint32_t start_offset = (reg << 16) & AST1030_SEG_ADDR_MASK;
> > + uint32_t end_offset = reg & AST1030_SEG_ADDR_MASK;
> > + AspeedSMCClass *asc = ASPEED_SMC_GET_CLASS(s);
> > +
> > + if (reg) {
> > + seg->addr = asc->flash_window_base + start_offset;
> > + seg->size = end_offset + (512 * KiB) - start_offset;
> > + } else {
> > + seg->addr = asc->flash_window_base;
> > + seg->size = 0;
> > + }
> > +}
> > +
> > +static const uint32_t aspeed_1030_fmc_resets[ASPEED_SMC_R_MAX] = {
> > + [R_CONF] = (CONF_FLASH_TYPE_SPI << CONF_FLASH_TYPE0 |
> > + CONF_FLASH_TYPE_SPI << CONF_FLASH_TYPE1),
> > +};
> > +
> > +static const AspeedSegments aspeed_1030_fmc_segments[] = {
> > + { 0x0, 128 * MiB }, /* start address is readonly */
> > + { 128 * MiB, 128 * MiB }, /* default is disabled but needed for
> > -kernel */
> > + { 0x0, 0 }, /* disabled */
> > +};
> > +
> > +static void aspeed_1030_fmc_class_init(ObjectClass *klass, void *data)
> > +{
> > + DeviceClass *dc = DEVICE_CLASS(klass);
> > + AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass);
> > +
> > + dc->desc = "Aspeed 1030 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 = 2;
> > + asc->conf_enable_w0 = CONF_ENABLE_W0;
> > + asc->cs_num_max = 2;
> > + asc->segments = aspeed_1030_fmc_segments;
> > + asc->segment_addr_mask = 0x0ff80ff8;
> > + asc->resets = aspeed_1030_fmc_resets;
> > + asc->flash_window_base = 0x80000000;
> > + asc->flash_window_size = 0x10000000;
> > + asc->features = ASPEED_SMC_FEATURE_DMA |
> > + ASPEED_SMC_FEATURE_WDT_CONTROL;
> > + asc->dma_flash_mask = 0x0FFFFFFC;
> > + asc->dma_dram_mask = 0x000BFFFC;
> > + 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;
> > + asc->dma_ctrl = aspeed_2600_smc_dma_ctrl;
> > +}
> > +
> > +static const TypeInfo aspeed_1030_fmc_info = {
> > + .name = "aspeed.fmc-ast1030",
> > + .parent = TYPE_ASPEED_SMC,
> > + .class_init = aspeed_1030_fmc_class_init,
> > +};
> > +
> > +static const AspeedSegments aspeed_1030_spi1_segments[] = {
> > + { 0x0, 128 * MiB }, /* start address is readonly */
> > + { 0x0, 0 }, /* disabled */
> > +};
> > +
> > +static void aspeed_1030_spi1_class_init(ObjectClass *klass, void *data)
> > +{
> > + DeviceClass *dc = DEVICE_CLASS(klass);
> > + AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass);
> > +
> > + dc->desc = "Aspeed 1030 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_1030_spi1_segments;
> > + asc->segment_addr_mask = 0x0ff00ff0;
> > + asc->flash_window_base = 0x90000000;
> > + asc->flash_window_size = 0x10000000;
> > + asc->features = ASPEED_SMC_FEATURE_DMA |
> > + ASPEED_SMC_FEATURE_WDT_CONTROL;
> > + asc->dma_flash_mask = 0x0FFFFFFC;
> > + asc->dma_dram_mask = 0x000BFFFC;
> > + 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;
> > + asc->dma_ctrl = aspeed_2600_smc_dma_ctrl;
> > +}
> > +
> > +static const TypeInfo aspeed_1030_spi1_info = {
> > + .name = "aspeed.spi1-ast1030",
> > + .parent = TYPE_ASPEED_SMC,
> > + .class_init = aspeed_1030_spi1_class_init,
> > +};
> > +static const AspeedSegments aspeed_1030_spi2_segments[] = {
> > + { 0x0, 128 * MiB }, /* start address is readonly */
> > + { 0x0, 0 }, /* disabled */
> > +};
> > +
> > +static void aspeed_1030_spi2_class_init(ObjectClass *klass, void *data)
> > +{
> > + DeviceClass *dc = DEVICE_CLASS(klass);
> > + AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass);
> > +
> > + dc->desc = "Aspeed 1030 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_1030_spi2_segments;
> > + asc->segment_addr_mask = 0x0ff00ff0;
> > + asc->flash_window_base = 0xb0000000;
> > + asc->flash_window_size = 0x10000000;
> > + asc->features = ASPEED_SMC_FEATURE_DMA |
> > + ASPEED_SMC_FEATURE_WDT_CONTROL;
> > + asc->dma_flash_mask = 0x0FFFFFFC;
> > + asc->dma_dram_mask = 0x000BFFFC;
> > + 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;
> > + asc->dma_ctrl = aspeed_2600_smc_dma_ctrl;
> > +}
> > +
> > +static const TypeInfo aspeed_1030_spi2_info = {
> > + .name = "aspeed.spi2-ast1030",
> > + .parent = TYPE_ASPEED_SMC,
> > + .class_init = aspeed_1030_spi2_class_init,
> > +};
> > +
> > static void aspeed_smc_register_types(void)
> > {
> > type_register_static(&aspeed_smc_flash_info);
> > @@ -1709,6 +1866,9 @@ static void aspeed_smc_register_types(void)
> > type_register_static(&aspeed_2600_fmc_info);
> > type_register_static(&aspeed_2600_spi1_info);
> > type_register_static(&aspeed_2600_spi2_info);
> > + type_register_static(&aspeed_1030_fmc_info);
> > + type_register_static(&aspeed_1030_spi1_info);
> > + type_register_static(&aspeed_1030_spi2_info);
> > }
> >
> > type_init(aspeed_smc_register_types)
>
- [PATCH v2 0/9] Add support for AST1030 SoC, Jamin Lin, 2022/03/31
- [PATCH v2 1/9] aspeed/adc: Add AST1030 support, Jamin Lin, 2022/03/31
- [PATCH v2 3/9] aspeed/wdt: Fix ast2500/ast2600 default reload value., Jamin Lin, 2022/03/31
- [PATCH v2 6/9] aspeed/scu: Add AST1030 support, Jamin Lin, 2022/03/31
- [PATCH v2 2/9] aspeed/smc: Add AST1030 support, Jamin Lin, 2022/03/31
- [PATCH v2 5/9] aspeed/timer: Add AST1030 support., Jamin Lin, 2022/03/31
- [PATCH v2 7/9] aspeed/soc : Add AST1030 support, Jamin Lin, 2022/03/31
- [PATCH v2 4/9] aspeed/wdt: Add AST1030 support, Jamin Lin, 2022/03/31
- [PATCH v2 8/9] aspeed: Add an AST1030 eval board, Jamin Lin, 2022/03/31
- [PATCH v2 9/9] test/avocado/machine_aspeed.py: Add ast1030 test case, Jamin Lin, 2022/03/31