Skip to content

L
linux
Commit 3091e611 authored by Boojin Kim's avatar Boojin Kim Committed by Vinod Koul
Browse files
Options

ARM: S5P64X0: Use generic DMA PL330 driver 

This patch makes Samsung S5P64X0 to use DMA PL330 driver
on DMADEVICE. The S5P64X0 uses DMA generic APIs instead of
SAMSUNG specific S3C-PL330 APIs.
Signed-off-by: default avatarBoojin Kim <boojin.kim@samsung.com>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Acked-by: default avatarVinod Koul <vinod.koul@intel.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent a422bd0f
Hide whitespace changes
Inline Side-by-side
Showing with 201 additions and 96 deletions
arch/arm/mach-s5p64x0/Kconfig
View file @ 3091e611
...@@ -9,14 +9,14 @@ if ARCH_S5P64X0 ...@@ -9,14 +9,14 @@ if ARCH_S5P64X0
config CPU_S5P6440 config CPU_S5P6440
bool bool
select S3C_PL330_DMA select SAMSUNG_DMADEV
select S5P_HRT select S5P_HRT
help help
Enable S5P6440 CPU support Enable S5P6440 CPU support
config CPU_S5P6450 config CPU_S5P6450
bool bool
select S3C_PL330_DMA select SAMSUNG_DMADEV
select S5P_HRT select S5P_HRT
help help
Enable S5P6450 CPU support Enable S5P6450 CPU support
......
arch/arm/mach-s5p64x0/clock-s5p6440.c
View file @ 3091e611
...@@ -146,7 +146,7 @@ static struct clk init_clocks_off[] = { ...@@ -146,7 +146,7 @@ static struct clk init_clocks_off[] = {
.enable = s5p64x0_hclk0_ctrl, .enable = s5p64x0_hclk0_ctrl,
.ctrlbit = (1 << 8), .ctrlbit = (1 << 8),
}, { }, {
.name = "pdma", .name = "dma",
.parent = &clk_hclk_low.clk, .parent = &clk_hclk_low.clk,
.enable = s5p64x0_hclk0_ctrl, .enable = s5p64x0_hclk0_ctrl,
.ctrlbit = (1 << 12), .ctrlbit = (1 << 12),
...@@ -499,6 +499,11 @@ static struct clksrc_clk *sysclks[] = { ...@@ -499,6 +499,11 @@ static struct clksrc_clk *sysclks[] = {
&clk_pclk_low, &clk_pclk_low,
}; };
static struct clk dummy_apb_pclk = {
.name = "apb_pclk",
.id = -1,
};
void __init_or_cpufreq s5p6440_setup_clocks(void) void __init_or_cpufreq s5p6440_setup_clocks(void)
{ {
struct clk *xtal_clk; struct clk *xtal_clk;
...@@ -581,5 +586,7 @@ void __init s5p6440_register_clocks(void) ...@@ -581,5 +586,7 @@ void __init s5p6440_register_clocks(void)
s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c24xx_register_clock(&dummy_apb_pclk);
s3c_pwmclk_init(); s3c_pwmclk_init();
} }
arch/arm/mach-s5p64x0/clock-s5p6450.c
View file @ 3091e611
...@@ -179,7 +179,7 @@ static struct clk init_clocks_off[] = { ...@@ -179,7 +179,7 @@ static struct clk init_clocks_off[] = {
.enable = s5p64x0_hclk0_ctrl, .enable = s5p64x0_hclk0_ctrl,
.ctrlbit = (1 << 3), .ctrlbit = (1 << 3),
}, { }, {
.name = "pdma", .name = "dma",
.parent = &clk_hclk_low.clk, .parent = &clk_hclk_low.clk,
.enable = s5p64x0_hclk0_ctrl, .enable = s5p64x0_hclk0_ctrl,
.ctrlbit = (1 << 12), .ctrlbit = (1 << 12),
...@@ -553,6 +553,11 @@ static struct clksrc_clk *sysclks[] = { ...@@ -553,6 +553,11 @@ static struct clksrc_clk *sysclks[] = {
&clk_sclk_audio0, &clk_sclk_audio0,
}; };
static struct clk dummy_apb_pclk = {
.name = "apb_pclk",
.id = -1,
};
void __init_or_cpufreq s5p6450_setup_clocks(void) void __init_or_cpufreq s5p6450_setup_clocks(void)
{ {
struct clk *xtal_clk; struct clk *xtal_clk;
...@@ -632,5 +637,7 @@ void __init s5p6450_register_clocks(void) ...@@ -632,5 +637,7 @@ void __init s5p6450_register_clocks(void)
s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c24xx_register_clock(&dummy_apb_pclk);
s3c_pwmclk_init(); s3c_pwmclk_init();
} }
arch/arm/mach-s5p64x0/dma.c
View file @ 3091e611
...@@ -21,128 +21,219 @@ ...@@ -21,128 +21,219 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
#include <linux/platform_device.h>
#include <linux/dma-mapping.h> #include <linux/dma-mapping.h>
#include <linux/amba/bus.h>
#include <linux/amba/pl330.h>
#include <asm/irq.h>
#include <mach/map.h> #include <mach/map.h>
#include <mach/irqs.h> #include <mach/irqs.h>
#include <mach/regs-clock.h> #include <mach/regs-clock.h>
#include <mach/dma.h>
#include <plat/devs.h> #include <plat/devs.h>
#include <plat/s3c-pl330-pdata.h> #include <plat/irqs.h>
static u64 dma_dmamask = DMA_BIT_MASK(32); static u64 dma_dmamask = DMA_BIT_MASK(32);
static struct resource s5p64x0_pdma_resource[] = { struct dma_pl330_peri s5p6440_pdma_peri[22] = {
[0] = { {
.start = S5P64X0_PA_PDMA, .peri_id = (u8)DMACH_UART0_RX,
.end = S5P64X0_PA_PDMA + SZ_4K, .rqtype = DEVTOMEM,
.flags = IORESOURCE_MEM, }, {
}, .peri_id = (u8)DMACH_UART0_TX,
[1] = { .rqtype = MEMTODEV,
.start = IRQ_DMA0, }, {
.end = IRQ_DMA0, .peri_id = (u8)DMACH_UART1_RX,
.flags = IORESOURCE_IRQ, .rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_UART1_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_UART2_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_UART2_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_UART3_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_UART3_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = DMACH_MAX,
}, {
.peri_id = DMACH_MAX,
}, {
.peri_id = (u8)DMACH_PCM0_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_PCM0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_I2S0_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_I2S0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_SPI0_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_SPI0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_MAX,
}, {
.peri_id = (u8)DMACH_MAX,
}, {
.peri_id = (u8)DMACH_MAX,
}, {
.peri_id = (u8)DMACH_MAX,
}, {
.peri_id = (u8)DMACH_SPI1_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_SPI1_RX,
.rqtype = DEVTOMEM,
}, },
}; };
static struct s3c_pl330_platdata s5p6440_pdma_pdata = { struct dma_pl330_platdata s5p6440_pdma_pdata = {
.peri = { .nr_valid_peri = ARRAY_SIZE(s5p6440_pdma_peri),
[0] = DMACH_UART0_RX, .peri = s5p6440_pdma_peri,
[1] = DMACH_UART0_TX,
[2] = DMACH_UART1_RX,
[3] = DMACH_UART1_TX,
[4] = DMACH_UART2_RX,
[5] = DMACH_UART2_TX,
[6] = DMACH_UART3_RX,
[7] = DMACH_UART3_TX,
[8] = DMACH_MAX,
[9] = DMACH_MAX,
[10] = DMACH_PCM0_TX,
[11] = DMACH_PCM0_RX,
[12] = DMACH_I2S0_TX,
[13] = DMACH_I2S0_RX,
[14] = DMACH_SPI0_TX,
[15] = DMACH_SPI0_RX,
[16] = DMACH_MAX,
[17] = DMACH_MAX,
[18] = DMACH_MAX,
[19] = DMACH_MAX,
[20] = DMACH_SPI1_TX,
[21] = DMACH_SPI1_RX,
[22] = DMACH_MAX,
[23] = DMACH_MAX,
[24] = DMACH_MAX,
[25] = DMACH_MAX,
[26] = DMACH_MAX,
[27] = DMACH_MAX,
[28] = DMACH_MAX,
[29] = DMACH_PWM,
[30] = DMACH_MAX,
[31] = DMACH_MAX,
},
}; };
static struct s3c_pl330_platdata s5p6450_pdma_pdata = { struct dma_pl330_peri s5p6450_pdma_peri[32] = {
.peri = { {
[0] = DMACH_UART0_RX, .peri_id = (u8)DMACH_UART0_RX,
[1] = DMACH_UART0_TX, .rqtype = DEVTOMEM,
[2] = DMACH_UART1_RX, }, {
[3] = DMACH_UART1_TX, .peri_id = (u8)DMACH_UART0_TX,
[4] = DMACH_UART2_RX, .rqtype = MEMTODEV,
[5] = DMACH_UART2_TX, }, {
[6] = DMACH_UART3_RX, .peri_id = (u8)DMACH_UART1_RX,
[7] = DMACH_UART3_TX, .rqtype = DEVTOMEM,
[8] = DMACH_UART4_RX, }, {
[9] = DMACH_UART4_TX, .peri_id = (u8)DMACH_UART1_TX,
[10] = DMACH_PCM0_TX, .rqtype = MEMTODEV,
[11] = DMACH_PCM0_RX, }, {
[12] = DMACH_I2S0_TX, .peri_id = (u8)DMACH_UART2_RX,
[13] = DMACH_I2S0_RX, .rqtype = DEVTOMEM,
[14] = DMACH_SPI0_TX, }, {
[15] = DMACH_SPI0_RX, .peri_id = (u8)DMACH_UART2_TX,
[16] = DMACH_PCM1_TX, .rqtype = MEMTODEV,
[17] = DMACH_PCM1_RX, }, {
[18] = DMACH_PCM2_TX, .peri_id = (u8)DMACH_UART3_RX,
[19] = DMACH_PCM2_RX, .rqtype = DEVTOMEM,
[20] = DMACH_SPI1_TX, }, {
[21] = DMACH_SPI1_RX, .peri_id = (u8)DMACH_UART3_TX,
[22] = DMACH_USI_TX, .rqtype = MEMTODEV,
[23] = DMACH_USI_RX, }, {
[24] = DMACH_MAX, .peri_id = (u8)DMACH_UART4_RX,
[25] = DMACH_I2S1_TX, .rqtype = DEVTOMEM,
[26] = DMACH_I2S1_RX, }, {
[27] = DMACH_I2S2_TX, .peri_id = (u8)DMACH_UART4_TX,
[28] = DMACH_I2S2_RX, .rqtype = MEMTODEV,
[29] = DMACH_PWM, }, {
[30] = DMACH_UART5_RX, .peri_id = (u8)DMACH_PCM0_TX,
[31] = DMACH_UART5_TX, .rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_PCM0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_I2S0_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_I2S0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_SPI0_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_SPI0_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_PCM1_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_PCM1_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_PCM2_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_PCM2_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_SPI1_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_SPI1_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_USI_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_USI_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_MAX,
}, {
.peri_id = (u8)DMACH_I2S1_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_I2S1_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_I2S2_TX,
.rqtype = MEMTODEV,
}, {
.peri_id = (u8)DMACH_I2S2_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_PWM,
}, {
.peri_id = (u8)DMACH_UART5_RX,
.rqtype = DEVTOMEM,
}, {
.peri_id = (u8)DMACH_UART5_TX,
.rqtype = MEMTODEV,
}, },
}; };
static struct platform_device s5p64x0_device_pdma = { struct dma_pl330_platdata s5p6450_pdma_pdata = {
.name = "s3c-pl330", .nr_valid_peri = ARRAY_SIZE(s5p6450_pdma_peri),
.id = -1, .peri = s5p6450_pdma_peri,
.num_resources = ARRAY_SIZE(s5p64x0_pdma_resource), };
.resource = s5p64x0_pdma_resource,
.dev = { struct amba_device s5p64x0_device_pdma = {
.dev = {
.init_name = "dma-pl330",
.dma_mask = &dma_dmamask, .dma_mask = &dma_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32), .coherent_dma_mask = DMA_BIT_MASK(32),
}, },
.res = {
.start = S5P64X0_PA_PDMA,
.end = S5P64X0_PA_PDMA + SZ_4K,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_DMA0, NO_IRQ},
.periphid = 0x00041330,
}; };
static int __init s5p64x0_dma_init(void) static int __init s5p64x0_dma_init(void)
{ {
unsigned int id; unsigned int id = __raw_readl(S5P64X0_SYS_ID) & 0xFF000;
id = __raw_readl(S5P64X0_SYS_ID) & 0xFF000;
if (id == 0x50000) if (id == 0x50000)
s5p64x0_device_pdma.dev.platform_data = &s5p6450_pdma_pdata; s5p64x0_device_pdma.dev.platform_data = &s5p6450_pdma_pdata;
else else
s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata; s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata;
platform_device_register(&s5p64x0_device_pdma); amba_device_register(&s5p64x0_device_pdma, &iomem_resource);
return 0; return 0;
} }
......
arch/arm/mach-s5p64x0/include/mach/dma.h
View file @ 3091e611
...@@ -20,7 +20,7 @@ ...@@ -20,7 +20,7 @@
#ifndef __MACH_DMA_H #ifndef __MACH_DMA_H
#define __MACH_DMA_H #define __MACH_DMA_H
/* This platform uses the common S3C DMA API driver for PL330 */ /* This platform uses the common common DMA API driver for PL330 */
#include <plat/dma-pl330.h> #include <plat/dma-pl330.h>
#endif /* __MACH_DMA_H */ #endif /* __MACH_DMA_H */
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7