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[PATCH 14/24] aspeed/smc: Add a 'features' attribute to the object class
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From: |
Cédric Le Goater |
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Subject: |
[PATCH 14/24] aspeed/smc: Add a 'features' attribute to the object class |
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Date: |
Wed, 7 Apr 2021 19:16:27 +0200 |
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
- Re: [PATCH 18/24] aspeed: Add support for the rainier-bmc board, (continued)
- [PATCH 14/24] aspeed/smc: Add a 'features' attribute to the object class,
Cédric Le Goater <=
- [PATCH 12/24] tests/acceptance: Test ast2600 machine, Cédric Le Goater, 2021/04/07
- [PATCH 16/24] tests/qtest: Rename m25p80 test in aspeed_smc test, Cédric Le Goater, 2021/04/07
- [PATCH 24/24] arm/aspeed: Add DPS310 to witherspoon, Cédric Le Goater, 2021/04/07
- [PATCH 19/24] hw/misc: Add an iBT device model, Cédric Le Goater, 2021/04/07