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From: "Cédric Le Goater" <clg@kaod.org>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: "Andrew Jeffery" <andrew@aj.id.au>,
	"Cédric Le Goater" <clg@kaod.org>,
	qemu-arm@nongnu.org, "Joel Stanley" <joel@jms.id.au>,
	qemu-devel@nongnu.org
Subject: [PATCH 14/24] aspeed/smc: Add a 'features' attribute to the object class
Date: Wed,  7 Apr 2021 19:16:27 +0200	[thread overview]
Message-ID: <20210407171637.777743-15-clg@kaod.org> (raw)
In-Reply-To: <20210407171637.777743-1-clg@kaod.org>

It will simplify extensions of the SMC model.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 include/hw/ssi/aspeed_smc.h |  2 +-
 hw/ssi/aspeed_smc.c         | 44 +++++++++++++++++++++----------------
 2 files changed, 26 insertions(+), 20 deletions(-)

diff --git a/include/hw/ssi/aspeed_smc.h b/include/hw/ssi/aspeed_smc.h
index 6ea2871cd899..07879fd1c4a7 100644
--- a/include/hw/ssi/aspeed_smc.h
+++ b/include/hw/ssi/aspeed_smc.h
@@ -47,7 +47,7 @@ typedef struct AspeedSMCController {
     const AspeedSegments *segments;
     hwaddr flash_window_base;
     uint32_t flash_window_size;
-    bool has_dma;
+    uint32_t features;
     hwaddr dma_flash_mask;
     hwaddr dma_dram_mask;
     uint32_t nregs;
diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c
index 50ea907aef74..4521bbd4864e 100644
--- a/hw/ssi/aspeed_smc.c
+++ b/hw/ssi/aspeed_smc.c
@@ -257,6 +257,12 @@ static uint32_t aspeed_2600_smc_segment_to_reg(const AspeedSMCState *s,
                                                const AspeedSegments *seg);
 static void aspeed_2600_smc_reg_to_segment(const AspeedSMCState *s,
                                            uint32_t reg, AspeedSegments *seg);
+#define ASPEED_SMC_FEATURE_DMA       0x1
+
+static inline bool aspeed_smc_has_dma(const AspeedSMCState *s)
+{
+    return !!(s->ctrl->features & ASPEED_SMC_FEATURE_DMA);
+}
 
 static const AspeedSMCController controllers[] = {
     {
@@ -271,7 +277,7 @@ static const AspeedSMCController controllers[] = {
         .segments          = aspeed_segments_legacy,
         .flash_window_base = ASPEED_SOC_SMC_FLASH_BASE,
         .flash_window_size = 0x6000000,
-        .has_dma           = false,
+        .features          = 0x0,
         .nregs             = ASPEED_SMC_R_SMC_MAX,
         .segment_to_reg    = aspeed_smc_segment_to_reg,
         .reg_to_segment    = aspeed_smc_reg_to_segment,
@@ -287,7 +293,7 @@ static const AspeedSMCController controllers[] = {
         .segments          = aspeed_segments_fmc,
         .flash_window_base = ASPEED_SOC_FMC_FLASH_BASE,
         .flash_window_size = 0x10000000,
-        .has_dma           = true,
+        .features          = ASPEED_SMC_FEATURE_DMA,
         .dma_flash_mask    = 0x0FFFFFFC,
         .dma_dram_mask     = 0x1FFFFFFC,
         .nregs             = ASPEED_SMC_R_MAX,
@@ -305,7 +311,7 @@ static const AspeedSMCController controllers[] = {
         .segments          = aspeed_segments_spi,
         .flash_window_base = ASPEED_SOC_SPI_FLASH_BASE,
         .flash_window_size = 0x10000000,
-        .has_dma           = false,
+        .features          = 0x0,
         .nregs             = ASPEED_SMC_R_SPI_MAX,
         .segment_to_reg    = aspeed_smc_segment_to_reg,
         .reg_to_segment    = aspeed_smc_reg_to_segment,
@@ -321,7 +327,7 @@ static const AspeedSMCController controllers[] = {
         .segments          = aspeed_segments_ast2500_fmc,
         .flash_window_base = ASPEED_SOC_FMC_FLASH_BASE,
         .flash_window_size = 0x10000000,
-        .has_dma           = true,
+        .features          = ASPEED_SMC_FEATURE_DMA,
         .dma_flash_mask    = 0x0FFFFFFC,
         .dma_dram_mask     = 0x3FFFFFFC,
         .nregs             = ASPEED_SMC_R_MAX,
@@ -339,7 +345,7 @@ static const AspeedSMCController controllers[] = {
         .segments          = aspeed_segments_ast2500_spi1,
         .flash_window_base = ASPEED_SOC_SPI_FLASH_BASE,
         .flash_window_size = 0x8000000,
-        .has_dma           = false,
+        .features          = 0x0,
         .nregs             = ASPEED_SMC_R_MAX,
         .segment_to_reg    = aspeed_smc_segment_to_reg,
         .reg_to_segment    = aspeed_smc_reg_to_segment,
@@ -355,7 +361,7 @@ static const AspeedSMCController controllers[] = {
         .segments          = aspeed_segments_ast2500_spi2,
         .flash_window_base = ASPEED_SOC_SPI2_FLASH_BASE,
         .flash_window_size = 0x8000000,
-        .has_dma           = false,
+        .features          = 0x0,
         .nregs             = ASPEED_SMC_R_MAX,
         .segment_to_reg    = aspeed_smc_segment_to_reg,
         .reg_to_segment    = aspeed_smc_reg_to_segment,
@@ -371,7 +377,7 @@ static const AspeedSMCController controllers[] = {
         .segments          = aspeed_segments_ast2600_fmc,
         .flash_window_base = ASPEED26_SOC_FMC_FLASH_BASE,
         .flash_window_size = 0x10000000,
-        .has_dma           = true,
+        .features          = ASPEED_SMC_FEATURE_DMA,
         .dma_flash_mask    = 0x0FFFFFFC,
         .dma_dram_mask     = 0x3FFFFFFC,
         .nregs             = ASPEED_SMC_R_MAX,
@@ -389,7 +395,7 @@ static const AspeedSMCController controllers[] = {
         .segments          = aspeed_segments_ast2600_spi1,
         .flash_window_base = ASPEED26_SOC_SPI_FLASH_BASE,
         .flash_window_size = 0x10000000,
-        .has_dma           = true,
+        .features          = ASPEED_SMC_FEATURE_DMA,
         .dma_flash_mask    = 0x0FFFFFFC,
         .dma_dram_mask     = 0x3FFFFFFC,
         .nregs             = ASPEED_SMC_R_MAX,
@@ -407,7 +413,7 @@ static const AspeedSMCController controllers[] = {
         .segments          = aspeed_segments_ast2600_spi2,
         .flash_window_base = ASPEED26_SOC_SPI2_FLASH_BASE,
         .flash_window_size = 0x10000000,
-        .has_dma           = true,
+        .features          = ASPEED_SMC_FEATURE_DMA,
         .dma_flash_mask    = 0x0FFFFFFC,
         .dma_dram_mask     = 0x3FFFFFFC,
         .nregs             = ASPEED_SMC_R_MAX,
@@ -997,11 +1003,11 @@ static uint64_t aspeed_smc_read(void *opaque, hwaddr addr, unsigned int size)
         addr == R_CE_CMD_CTRL ||
         addr == R_INTR_CTRL ||
         addr == R_DUMMY_DATA ||
-        (s->ctrl->has_dma && addr == R_DMA_CTRL) ||
-        (s->ctrl->has_dma && addr == R_DMA_FLASH_ADDR) ||
-        (s->ctrl->has_dma && addr == R_DMA_DRAM_ADDR) ||
-        (s->ctrl->has_dma && addr == R_DMA_LEN) ||
-        (s->ctrl->has_dma && addr == R_DMA_CHECKSUM) ||
+        (aspeed_smc_has_dma(s) && addr == R_DMA_CTRL) ||
+        (aspeed_smc_has_dma(s) && addr == R_DMA_FLASH_ADDR) ||
+        (aspeed_smc_has_dma(s) && addr == R_DMA_DRAM_ADDR) ||
+        (aspeed_smc_has_dma(s) && addr == R_DMA_LEN) ||
+        (aspeed_smc_has_dma(s) && addr == R_DMA_CHECKSUM) ||
         (addr >= R_SEG_ADDR0 &&
          addr < R_SEG_ADDR0 + s->ctrl->max_peripherals) ||
         (addr >= s->r_ctrl0 && addr < s->r_ctrl0 + s->ctrl->max_peripherals)) {
@@ -1290,13 +1296,13 @@ static void aspeed_smc_write(void *opaque, hwaddr addr, uint64_t data,
         s->regs[addr] = value & 0xff;
     } else if (addr == R_INTR_CTRL) {
         s->regs[addr] = value;
-    } else if (s->ctrl->has_dma && addr == R_DMA_CTRL) {
+    } else if (aspeed_smc_has_dma(s) && addr == R_DMA_CTRL) {
         aspeed_smc_dma_ctrl(s, value);
-    } else if (s->ctrl->has_dma && addr == R_DMA_DRAM_ADDR) {
+    } else if (aspeed_smc_has_dma(s) && addr == R_DMA_DRAM_ADDR) {
         s->regs[addr] = DMA_DRAM_ADDR(s, value);
-    } else if (s->ctrl->has_dma && addr == R_DMA_FLASH_ADDR) {
+    } else if (aspeed_smc_has_dma(s) && addr == R_DMA_FLASH_ADDR) {
         s->regs[addr] = DMA_FLASH_ADDR(s, value);
-    } else if (s->ctrl->has_dma && addr == R_DMA_LEN) {
+    } else if (aspeed_smc_has_dma(s) && addr == R_DMA_LEN) {
         s->regs[addr] = DMA_LENGTH(value);
     } else {
         qemu_log_mask(LOG_UNIMP, "%s: not implemented: 0x%" HWADDR_PRIx "\n",
@@ -1412,7 +1418,7 @@ static void aspeed_smc_realize(DeviceState *dev, Error **errp)
     }
 
     /* DMA support */
-    if (s->ctrl->has_dma) {
+    if (aspeed_smc_has_dma(s)) {
         aspeed_smc_dma_setup(s, errp);
     }
 }
-- 
2.26.3



  parent reply	other threads:[~2021-04-07 17:38 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-07 17:16 [PATCH 00/24] aspeed: fixes and extensions Cédric Le Goater
2021-04-07 17:16 ` [PATCH 01/24] aspeed/smc: Use the RAM memory region for DMAs Cédric Le Goater
2021-04-07 17:32   ` Philippe Mathieu-Daudé
2021-04-07 17:16 ` [PATCH 02/24] aspeed/smc: Remove unused "sdram-base" property Cédric Le Goater
2021-04-07 17:32   ` Philippe Mathieu-Daudé
2021-04-07 17:16 ` [PATCH 03/24] aspeed/i2c: Fix DMA address mask Cédric Le Goater
2021-04-07 21:22   ` Philippe Mathieu-Daudé
2021-04-08  8:58     ` Cédric Le Goater
2021-04-07 17:16 ` [PATCH 04/24] aspeed/i2c: Rename DMA address space Cédric Le Goater
2021-04-07 17:33   ` Philippe Mathieu-Daudé
2021-04-07 17:16 ` [PATCH 05/24] hw/arm/aspeed: Do not sysbus-map mmio flash region directly, use alias Cédric Le Goater
2021-04-07 17:16 ` [PATCH 06/24] hw: Model ASPEED's Hash and Crypto Engine Cédric Le Goater
2021-04-07 19:31   ` Klaus Heinrich Kiwi
2021-04-07 17:16 ` [PATCH 07/24] aspeed: Integrate HACE Cédric Le Goater
2021-04-07 19:22   ` Klaus Heinrich Kiwi
2021-04-07 17:16 ` [PATCH 08/24] tests/qtest: Add test for Aspeed HACE Cédric Le Goater
2021-04-07 19:33   ` Klaus Heinrich Kiwi
2021-04-07 17:16 ` [PATCH 09/24] aspeed: Add Scater-Gather support for HACE Hash Cédric Le Goater
2021-04-08 12:39   ` Joel Stanley
2021-04-07 17:16 ` [PATCH 10/24] tests: Aspeed HACE Scatter-Gather tests Cédric Le Goater
2021-04-07 17:16 ` [PATCH 11/24] tests/acceptance: Test ast2400 and ast2500 machines Cédric Le Goater
2021-04-07 18:40   ` Willian Rampazzo
2021-04-07 17:16 ` [PATCH 12/24] tests/acceptance: Test ast2600 machine Cédric Le Goater
2021-04-07 18:36   ` Willian Rampazzo
2021-04-07 17:16 ` [PATCH 13/24] hw/misc/aspeed_xdma: Add AST2600 support Cédric Le Goater
2021-04-07 20:29   ` Eddie James
2021-04-07 17:16 ` Cédric Le Goater [this message]
2021-04-09  6:55   ` [PATCH 14/24] aspeed/smc: Add a 'features' attribute to the object class Joel Stanley
2021-04-07 17:16 ` [PATCH 15/24] aspeed/smc: Add extra controls to request DMA Cédric Le Goater
2021-04-09  6:54   ` Joel Stanley
2021-04-10  7:08     ` Cédric Le Goater
2021-04-07 17:16 ` [PATCH 16/24] tests/qtest: Rename m25p80 test in aspeed_smc test Cédric Le Goater
2021-04-09  6:55   ` Joel Stanley
2021-04-07 17:16 ` [PATCH 17/24] aspeed: Remove swift-bmc machine Cédric Le Goater
2021-04-07 18:13   ` Adriana Kobylak
2021-04-07 18:29   ` Peter Maydell
2021-04-08  7:40     ` Cédric Le Goater
2021-04-08  9:05       ` Peter Maydell
2021-04-07 17:16 ` [PATCH 18/24] aspeed: Add support for the rainier-bmc board Cédric Le Goater
2021-04-09  6:57   ` Joel Stanley
2021-04-07 17:16 ` [PATCH 19/24] hw/misc: Add an iBT device model Cédric Le Goater
2021-04-07 17:16 ` [PATCH 20/24] aspeed: Emulate the AST2600A3 Cédric Le Goater
2021-04-07 17:16 ` [PATCH 21/24] hw/block: m25p80: Add support for mt25qu02g Cédric Le Goater
2021-04-07 17:36   ` Alistair Francis
2021-04-08  8:00   ` Francisco Iglesias
2021-04-08  8:40     ` Cédric Le Goater
2021-04-08  9:21       ` Francisco Iglesias
2021-04-07 17:16 ` [PATCH 22/24] hw/misc: Add Infineon DPS310 sensor model Cédric Le Goater
2021-04-07 17:16 ` [PATCH 23/24] arm/aspeed: Add DPS310 to rainier Cédric Le Goater
2021-04-07 17:16 ` [PATCH 24/24] arm/aspeed: Add DPS310 to witherspoon Cédric Le Goater

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