* [PATCH 1/3] MIPS: Loongson1B: Add dma_slave_map to DMA platform data
2021-05-20 13:48 [PATCH 0/3] MIPS: Loongson1B: Add dmaengine and NAND device Keguang Zhang
@ 2021-05-20 13:48 ` Keguang Zhang
2021-05-20 13:48 ` [PATCH 2/3] MIPS: Loongson1B: Add Loongson1 dmaengine device Keguang Zhang
2021-05-20 13:48 ` [PATCH 3/3] MIPS: Loongson1B: Add Loongson1 NAND device Keguang Zhang
2 siblings, 0 replies; 5+ messages in thread
From: Keguang Zhang @ 2021-05-20 13:48 UTC (permalink / raw)
To: linux-mips, linux-kernel; +Cc: Thomas Bogendoerfer, Keguang Zhang
From: Keguang Zhang <keguang.zhang@unisoc.com>
This patch add dma_slave_map to DMA platform data,
and remove unnecessary DMA filter declaration.
Signed-off-by: Keguang Zhang <keguang.zhang@unisoc.com>
---
arch/mips/include/asm/mach-loongson32/dma.h | 7 ++++---
arch/mips/include/asm/mach-loongson32/nand.h | 4 ----
2 files changed, 4 insertions(+), 7 deletions(-)
diff --git a/arch/mips/include/asm/mach-loongson32/dma.h b/arch/mips/include/asm/mach-loongson32/dma.h
index e917b3ccb2c2..1bcf1eb8fe3d 100644
--- a/arch/mips/include/asm/mach-loongson32/dma.h
+++ b/arch/mips/include/asm/mach-loongson32/dma.h
@@ -8,14 +8,15 @@
#ifndef __ASM_MACH_LOONGSON32_DMA_H
#define __ASM_MACH_LOONGSON32_DMA_H
+#include <linux/dmaengine.h>
+
#define LS1X_DMA_CHANNEL0 0
#define LS1X_DMA_CHANNEL1 1
#define LS1X_DMA_CHANNEL2 2
struct plat_ls1x_dma {
- int nr_channels;
+ const struct dma_slave_map *slave_map;
+ int slavecnt;
};
-extern struct plat_ls1x_dma ls1b_dma_pdata;
-
#endif /* __ASM_MACH_LOONGSON32_DMA_H */
diff --git a/arch/mips/include/asm/mach-loongson32/nand.h b/arch/mips/include/asm/mach-loongson32/nand.h
index aaf5ed19d78d..d6eff2fadca2 100644
--- a/arch/mips/include/asm/mach-loongson32/nand.h
+++ b/arch/mips/include/asm/mach-loongson32/nand.h
@@ -19,8 +19,4 @@ struct plat_ls1x_nand {
int wait_cycle;
};
-extern struct plat_ls1x_nand ls1b_nand_pdata;
-
-bool ls1x_dma_filter_fn(struct dma_chan *chan, void *param);
-
#endif /* __ASM_MACH_LOONGSON32_NAND_H */
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH 2/3] MIPS: Loongson1B: Add Loongson1 dmaengine device
2021-05-20 13:48 [PATCH 0/3] MIPS: Loongson1B: Add dmaengine and NAND device Keguang Zhang
2021-05-20 13:48 ` [PATCH 1/3] MIPS: Loongson1B: Add dma_slave_map to DMA platform data Keguang Zhang
@ 2021-05-20 13:48 ` Keguang Zhang
2021-05-20 13:48 ` [PATCH 3/3] MIPS: Loongson1B: Add Loongson1 NAND device Keguang Zhang
2 siblings, 0 replies; 5+ messages in thread
From: Keguang Zhang @ 2021-05-20 13:48 UTC (permalink / raw)
To: linux-mips, linux-kernel; +Cc: Thomas Bogendoerfer, Keguang Zhang
From: Keguang Zhang <keguang.zhang@unisoc.com>
This patch adds DMA Engine device its platform data for Loongson1B.
Signed-off-by: Keguang Zhang <keguang.zhang@unisoc.com>
---
.../include/asm/mach-loongson32/platform.h | 2 ++
arch/mips/loongson32/common/platform.c | 36 +++++++++++++++++++
arch/mips/loongson32/ls1b/board.c | 15 +++++++-
3 files changed, 52 insertions(+), 1 deletion(-)
diff --git a/arch/mips/include/asm/mach-loongson32/platform.h b/arch/mips/include/asm/mach-loongson32/platform.h
index eb83e2741887..d4d2a9baacdb 100644
--- a/arch/mips/include/asm/mach-loongson32/platform.h
+++ b/arch/mips/include/asm/mach-loongson32/platform.h
@@ -13,6 +13,7 @@
extern struct platform_device ls1x_uart_pdev;
extern struct platform_device ls1x_cpufreq_pdev;
+extern struct platform_device ls1x_dma_pdev;
extern struct platform_device ls1x_eth0_pdev;
extern struct platform_device ls1x_eth1_pdev;
extern struct platform_device ls1x_ehci_pdev;
@@ -22,6 +23,7 @@ extern struct platform_device ls1x_rtc_pdev;
extern struct platform_device ls1x_wdt_pdev;
void __init ls1x_clk_init(void);
+void __init ls1x_dma_set_platdata(struct plat_ls1x_dma *pdata);
void __init ls1x_rtc_set_extclk(struct platform_device *pdev);
void __init ls1x_serial_set_uartclk(struct platform_device *pdev);
diff --git a/arch/mips/loongson32/common/platform.c b/arch/mips/loongson32/common/platform.c
index 794c96c2a4cd..2092a7ff32e0 100644
--- a/arch/mips/loongson32/common/platform.c
+++ b/arch/mips/loongson32/common/platform.c
@@ -77,6 +77,42 @@ struct platform_device ls1x_cpufreq_pdev = {
},
};
+/* DMA */
+static struct resource ls1x_dma_resources[] = {
+ [0] = {
+ .start = LS1X_DMAC_BASE,
+ .end = LS1X_DMAC_BASE + SZ_4 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = LS1X_DMA0_IRQ,
+ .end = LS1X_DMA0_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = LS1X_DMA1_IRQ,
+ .end = LS1X_DMA1_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = LS1X_DMA2_IRQ,
+ .end = LS1X_DMA2_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device ls1x_dma_pdev = {
+ .name = "ls1x-dma",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ls1x_dma_resources),
+ .resource = ls1x_dma_resources,
+};
+
+void __init ls1x_dma_set_platdata(struct plat_ls1x_dma *pdata)
+{
+ ls1x_dma_pdev.dev.platform_data = pdata;
+}
+
/* Synopsys Ethernet GMAC */
static struct stmmac_mdio_bus_data ls1x_mdio_bus_data = {
.phy_mask = 0,
diff --git a/arch/mips/loongson32/ls1b/board.c b/arch/mips/loongson32/ls1b/board.c
index 727e06718dab..2be4d8544444 100644
--- a/arch/mips/loongson32/ls1b/board.c
+++ b/arch/mips/loongson32/ls1b/board.c
@@ -12,6 +12,17 @@
#include <nand.h>
#include <platform.h>
+static const struct dma_slave_map ls1x_dma_slave_map[] = {
+ { "ls1x-nand", "dmachan0", (void *)LS1X_DMA_CHANNEL0 },
+ { "ls1x-ac97", "dmachan1", (void *)LS1X_DMA_CHANNEL1 },
+ { "ls1x-ac97", "dmachan2", (void *)LS1X_DMA_CHANNEL2 },
+};
+
+struct plat_ls1x_dma ls1x_dma_pdata = {
+ .slave_map = ls1x_dma_slave_map,
+ .slavecnt = ARRAY_SIZE(ls1x_dma_slave_map),
+};
+
static const struct gpio_led ls1x_gpio_leds[] __initconst = {
{
.name = "LED9",
@@ -36,6 +47,7 @@ static const struct gpio_led_platform_data ls1x_led_pdata __initconst = {
static struct platform_device *ls1b_platform_devices[] __initdata = {
&ls1x_uart_pdev,
&ls1x_cpufreq_pdev,
+ &ls1x_dma_pdev,
&ls1x_eth0_pdev,
&ls1x_eth1_pdev,
&ls1x_ehci_pdev,
@@ -48,11 +60,12 @@ static struct platform_device *ls1b_platform_devices[] __initdata = {
static int __init ls1b_platform_init(void)
{
ls1x_serial_set_uartclk(&ls1x_uart_pdev);
+ ls1x_dma_set_platdata(&ls1x_dma_pdata);
gpio_led_register_device(-1, &ls1x_led_pdata);
return platform_add_devices(ls1b_platform_devices,
- ARRAY_SIZE(ls1b_platform_devices));
+ ARRAY_SIZE(ls1b_platform_devices));
}
arch_initcall(ls1b_platform_init);
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH 3/3] MIPS: Loongson1B: Add Loongson1 NAND device
2021-05-20 13:48 [PATCH 0/3] MIPS: Loongson1B: Add dmaengine and NAND device Keguang Zhang
2021-05-20 13:48 ` [PATCH 1/3] MIPS: Loongson1B: Add dma_slave_map to DMA platform data Keguang Zhang
2021-05-20 13:48 ` [PATCH 2/3] MIPS: Loongson1B: Add Loongson1 dmaengine device Keguang Zhang
@ 2021-05-20 13:48 ` Keguang Zhang
2 siblings, 0 replies; 5+ messages in thread
From: Keguang Zhang @ 2021-05-20 13:48 UTC (permalink / raw)
To: linux-mips, linux-kernel; +Cc: Thomas Bogendoerfer, Keguang Zhang
From: Keguang Zhang <keguang.zhang@unisoc.com>
This patch adds NAND device and its platform data for Loongson1B.
Signed-off-by: Keguang Zhang <keguang.zhang@unisoc.com>
---
.../include/asm/mach-loongson32/platform.h | 2 ++
arch/mips/loongson32/common/platform.c | 27 +++++++++++++++++++
arch/mips/loongson32/ls1b/board.c | 22 +++++++++++++++
3 files changed, 51 insertions(+)
diff --git a/arch/mips/include/asm/mach-loongson32/platform.h b/arch/mips/include/asm/mach-loongson32/platform.h
index d4d2a9baacdb..daf02b5c83a7 100644
--- a/arch/mips/include/asm/mach-loongson32/platform.h
+++ b/arch/mips/include/asm/mach-loongson32/platform.h
@@ -19,11 +19,13 @@ extern struct platform_device ls1x_eth1_pdev;
extern struct platform_device ls1x_ehci_pdev;
extern struct platform_device ls1x_gpio0_pdev;
extern struct platform_device ls1x_gpio1_pdev;
+extern struct platform_device ls1x_nand_pdev;
extern struct platform_device ls1x_rtc_pdev;
extern struct platform_device ls1x_wdt_pdev;
void __init ls1x_clk_init(void);
void __init ls1x_dma_set_platdata(struct plat_ls1x_dma *pdata);
+void __init ls1x_nand_set_platdata(struct plat_ls1x_nand *pdata);
void __init ls1x_rtc_set_extclk(struct platform_device *pdev);
void __init ls1x_serial_set_uartclk(struct platform_device *pdev);
diff --git a/arch/mips/loongson32/common/platform.c b/arch/mips/loongson32/common/platform.c
index 2092a7ff32e0..d47a84ecf193 100644
--- a/arch/mips/loongson32/common/platform.c
+++ b/arch/mips/loongson32/common/platform.c
@@ -287,6 +287,33 @@ struct platform_device ls1x_gpio1_pdev = {
.resource = ls1x_gpio1_resources,
};
+/* NAND Flash */
+static struct resource ls1x_nand_resources[] = {
+ [0] = {
+ .start = LS1X_NAND_BASE,
+ .end = LS1X_NAND_BASE + SZ_32 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .name = "dmachan0",
+ .start = LS1X_DMA_CHANNEL0,
+ .end = LS1X_DMA_CHANNEL0,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device ls1x_nand_pdev = {
+ .name = "ls1x-nand",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ls1x_nand_resources),
+ .resource = ls1x_nand_resources,
+};
+
+void __init ls1x_nand_set_platdata(struct plat_ls1x_nand *pdata)
+{
+ ls1x_nand_pdev.dev.platform_data = pdata;
+}
+
/* USB EHCI */
static u64 ls1x_ehci_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/mips/loongson32/ls1b/board.c b/arch/mips/loongson32/ls1b/board.c
index 2be4d8544444..dd5a0ce9e4fb 100644
--- a/arch/mips/loongson32/ls1b/board.c
+++ b/arch/mips/loongson32/ls1b/board.c
@@ -23,6 +23,26 @@ struct plat_ls1x_dma ls1x_dma_pdata = {
.slavecnt = ARRAY_SIZE(ls1x_dma_slave_map),
};
+static struct mtd_partition ls1x_nand_parts[] = {
+ {
+ .name = "kernel",
+ .offset = 0,
+ .size = SZ_16M,
+ },
+ {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+struct plat_ls1x_nand ls1x_nand_pdata = {
+ .parts = ls1x_nand_parts,
+ .nr_parts = ARRAY_SIZE(ls1x_nand_parts),
+ .hold_cycle = 0x2,
+ .wait_cycle = 0xc,
+};
+
static const struct gpio_led ls1x_gpio_leds[] __initconst = {
{
.name = "LED9",
@@ -53,6 +73,7 @@ static struct platform_device *ls1b_platform_devices[] __initdata = {
&ls1x_ehci_pdev,
&ls1x_gpio0_pdev,
&ls1x_gpio1_pdev,
+ &ls1x_nand_pdev,
&ls1x_rtc_pdev,
&ls1x_wdt_pdev,
};
@@ -61,6 +82,7 @@ static int __init ls1b_platform_init(void)
{
ls1x_serial_set_uartclk(&ls1x_uart_pdev);
ls1x_dma_set_platdata(&ls1x_dma_pdata);
+ ls1x_nand_set_platdata(&ls1x_nand_pdata);
gpio_led_register_device(-1, &ls1x_led_pdata);
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread