From b6f1ffed9d8a830ab94fd3fc6182e2fc8c77cba0 Mon Sep 17 00:00:00 2001 From: "m-karicheri2@ti.com" Date: Thu, 2 Aug 2012 16:53:48 +0000 Subject: ARM: davinci: convert platform code to use clk_prepare/clk_unprepare As a first step towards migrating davinci platforms to use common clock framework, replace all instances of clk_enable() with clk_prepare_enable() and clk_disable() with clk_disable_unprepare(). Until the platform is switched to use the CONFIG_HAVE_CLK_PREPARE Kconfig variable, this just adds a might_sleep() call and would work without any issues. This will make it easy later to switch to common clk based implementation of clk driver from DaVinci specific driver. Signed-off-by: Murali Karicheri Reviewed-by: Mike Turquette Signed-off-by: Sekhar Nori --- arch/arm/mach-davinci/board-dm355-evm.c | 2 +- arch/arm/mach-davinci/board-dm355-leopard.c | 2 +- arch/arm/mach-davinci/board-dm365-evm.c | 4 ++-- arch/arm/mach-davinci/board-dm644x-evm.c | 2 +- arch/arm/mach-davinci/board-neuros-osd2.c | 2 +- arch/arm/mach-davinci/devices-da8xx.c | 6 +++--- arch/arm/mach-davinci/serial.c | 2 +- arch/arm/mach-davinci/time.c | 4 ++-- 8 files changed, 12 insertions(+), 12 deletions(-) (limited to 'arch/arm/mach-davinci') diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c index 88ebea89abd..cdf8d0746e7 100644 --- a/arch/arm/mach-davinci/board-dm355-evm.c +++ b/arch/arm/mach-davinci/board-dm355-evm.c @@ -324,7 +324,7 @@ static __init void dm355_evm_init(void) if (IS_ERR(aemif)) WARN("%s: unable to get AEMIF clock\n", __func__); else - clk_enable(aemif); + clk_prepare_enable(aemif); platform_add_devices(davinci_evm_devices, ARRAY_SIZE(davinci_evm_devices)); diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c index 2f88103c645..d41954507fc 100644 --- a/arch/arm/mach-davinci/board-dm355-leopard.c +++ b/arch/arm/mach-davinci/board-dm355-leopard.c @@ -246,7 +246,7 @@ static __init void dm355_leopard_init(void) if (IS_ERR(aemif)) WARN("%s: unable to get AEMIF clock\n", __func__); else - clk_enable(aemif); + clk_prepare_enable(aemif); platform_add_devices(davinci_leopard_devices, ARRAY_SIZE(davinci_leopard_devices)); diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 1b4a8adcfdc..5d49c75388c 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -478,7 +478,7 @@ static void __init evm_init_cpld(void) aemif_clk = clk_get(NULL, "aemif"); if (IS_ERR(aemif_clk)) return; - clk_enable(aemif_clk); + clk_prepare_enable(aemif_clk); if (request_mem_region(DM365_ASYNC_EMIF_DATA_CE1_BASE, SECTION_SIZE, "cpld") == NULL) @@ -489,7 +489,7 @@ static void __init evm_init_cpld(void) SECTION_SIZE); fail: pr_err("ERROR: can't map CPLD\n"); - clk_disable(aemif_clk); + clk_disable_unprepare(aemif_clk); return; } diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c index f22572cee49..a84dfcbc115 100644 --- a/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/arch/arm/mach-davinci/board-dm644x-evm.c @@ -776,7 +776,7 @@ static __init void davinci_evm_init(void) struct davinci_soc_info *soc_info = &davinci_soc_info; aemif_clk = clk_get(NULL, "aemif"); - clk_enable(aemif_clk); + clk_prepare_enable(aemif_clk); if (HAS_ATA) { if (HAS_NAND || HAS_NOR) diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c b/arch/arm/mach-davinci/board-neuros-osd2.c index 144bf31d68d..3e3e3afebf8 100644 --- a/arch/arm/mach-davinci/board-neuros-osd2.c +++ b/arch/arm/mach-davinci/board-neuros-osd2.c @@ -188,7 +188,7 @@ static __init void davinci_ntosd2_init(void) struct davinci_soc_info *soc_info = &davinci_soc_info; aemif_clk = clk_get(NULL, "aemif"); - clk_enable(aemif_clk); + clk_prepare_enable(aemif_clk); if (HAS_ATA) { if (HAS_NAND) diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index bd2f72b414b..d53612f12c5 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -900,7 +900,7 @@ static int da850_sata_init(struct device *dev, void __iomem *addr) if (IS_ERR(da850_sata_clk)) return PTR_ERR(da850_sata_clk); - ret = clk_enable(da850_sata_clk); + ret = clk_prepare_enable(da850_sata_clk); if (ret) goto err0; @@ -931,7 +931,7 @@ static int da850_sata_init(struct device *dev, void __iomem *addr) return 0; err1: - clk_disable(da850_sata_clk); + clk_disable_unprepare(da850_sata_clk); err0: clk_put(da850_sata_clk); return ret; @@ -939,7 +939,7 @@ err0: static void da850_sata_exit(struct device *dev) { - clk_disable(da850_sata_clk); + clk_disable_unprepare(da850_sata_clk); clk_put(da850_sata_clk); } diff --git a/arch/arm/mach-davinci/serial.c b/arch/arm/mach-davinci/serial.c index 1875740fe27..24ddb0d32a0 100644 --- a/arch/arm/mach-davinci/serial.c +++ b/arch/arm/mach-davinci/serial.c @@ -95,7 +95,7 @@ int __init davinci_serial_init(struct davinci_uart_config *info) continue; } - clk_enable(uart_clk); + clk_prepare_enable(uart_clk); p->uartclk = clk_get_rate(uart_clk); if (!p->membase && p->mapbase) { diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c index 75da315b658..9847938785c 100644 --- a/arch/arm/mach-davinci/time.c +++ b/arch/arm/mach-davinci/time.c @@ -379,7 +379,7 @@ static void __init davinci_timer_init(void) timer_clk = clk_get(NULL, "timer0"); BUG_ON(IS_ERR(timer_clk)); - clk_enable(timer_clk); + clk_prepare_enable(timer_clk); /* init timer hw */ timer_init(); @@ -429,7 +429,7 @@ void davinci_watchdog_reset(struct platform_device *pdev) wd_clk = clk_get(&pdev->dev, NULL); if (WARN_ON(IS_ERR(wd_clk))) return; - clk_enable(wd_clk); + clk_prepare_enable(wd_clk); /* disable, internal clock source */ __raw_writel(0, base + TCR); -- cgit v1.2.3 From 76d57ce6ef6060f611c14675249b7300a3c96368 Mon Sep 17 00:00:00 2001 From: Sekhar Nori Date: Wed, 29 Aug 2012 22:48:52 +0530 Subject: ARM: davinci: serial: provide API to initialze UART clocks Provide an API to initialize a UART clock. Refactor existing davinci_serial_init() to separate out the part which enables the clock. This will later be used to help DA850 DT boot support. Signed-off-by: Sekhar Nori --- arch/arm/mach-davinci/include/mach/serial.h | 1 + arch/arm/mach-davinci/serial.c | 39 ++++++++++++++++++++--------- 2 files changed, 28 insertions(+), 12 deletions(-) (limited to 'arch/arm/mach-davinci') diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h index 46b3cd11c3c..2d9d921e8b0 100644 --- a/arch/arm/mach-davinci/include/mach/serial.h +++ b/arch/arm/mach-davinci/include/mach/serial.h @@ -43,6 +43,7 @@ struct davinci_uart_config { }; extern int davinci_serial_init(struct davinci_uart_config *); +extern int davinci_serial_setup_clk(unsigned instance, unsigned int *rate); #endif #endif /* __ASM_ARCH_SERIAL_H */ diff --git a/arch/arm/mach-davinci/serial.c b/arch/arm/mach-davinci/serial.c index 24ddb0d32a0..f2625814c3c 100644 --- a/arch/arm/mach-davinci/serial.c +++ b/arch/arm/mach-davinci/serial.c @@ -70,11 +70,33 @@ static void __init davinci_serial_reset(struct plat_serial8250_port *p) UART_DM646X_SCR_TX_WATERMARK); } -int __init davinci_serial_init(struct davinci_uart_config *info) +/* Enable UART clock and obtain its rate */ +int __init davinci_serial_setup_clk(unsigned instance, unsigned int *rate) { - int i; char name[16]; - struct clk *uart_clk; + struct clk *clk; + struct davinci_soc_info *soc_info = &davinci_soc_info; + struct device *dev = &soc_info->serial_dev->dev; + + sprintf(name, "uart%d", instance); + clk = clk_get(dev, name); + if (IS_ERR(clk)) { + pr_err("%s:%d: failed to get UART%d clock\n", + __func__, __LINE__, instance); + return PTR_ERR(clk); + } + + clk_prepare_enable(clk); + + if (rate) + *rate = clk_get_rate(clk); + + return 0; +} + +int __init davinci_serial_init(struct davinci_uart_config *info) +{ + int i, ret; struct davinci_soc_info *soc_info = &davinci_soc_info; struct device *dev = &soc_info->serial_dev->dev; struct plat_serial8250_port *p = dev->platform_data; @@ -87,16 +109,9 @@ int __init davinci_serial_init(struct davinci_uart_config *info) if (!(info->enabled_uarts & (1 << i))) continue; - sprintf(name, "uart%d", i); - uart_clk = clk_get(dev, name); - if (IS_ERR(uart_clk)) { - printk(KERN_ERR "%s:%d: failed to get UART%d clock\n", - __func__, __LINE__, i); + ret = davinci_serial_setup_clk(i, &p->uartclk); + if (ret) continue; - } - - clk_prepare_enable(uart_clk); - p->uartclk = clk_get_rate(uart_clk); if (!p->membase && p->mapbase) { p->membase = ioremap(p->mapbase, SZ_4K); -- cgit v1.2.3 From 626863a3f32f0baaf55a1d18b8d4fbb937700dda Mon Sep 17 00:00:00 2001 From: Ben Gardiner Date: Fri, 5 Oct 2012 13:04:41 -0400 Subject: ARM: davinci: sram: switch from iotable to ioremapped regions The current davinci init sets up SRAM in iotables. There has been an observed failure to boot a da850 with 128K specified in the iotable. Make the davinci sram allocator do an ioremap of the region specified by the entries in davinci_soc_info before registering with gen_pool_add_virt(). Remove all iotable SRAM mappings and SRAM_VIRT. Regression tested suspend/resume on AM180x EVM. Signed-off-by: Ben Gardiner Signed-off-by: Matt Porter Signed-off-by: Sekhar Nori --- arch/arm/mach-davinci/da850.c | 6 ------ arch/arm/mach-davinci/dm355.c | 6 ------ arch/arm/mach-davinci/dm365.c | 6 ------ arch/arm/mach-davinci/dm644x.c | 6 ------ arch/arm/mach-davinci/dm646x.c | 6 ------ arch/arm/mach-davinci/include/mach/common.h | 2 -- arch/arm/mach-davinci/sram.c | 18 +++++++++++++++--- 7 files changed, 15 insertions(+), 35 deletions(-) (limited to 'arch/arm/mach-davinci') diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index b90c172d554..ffc84f5e1aa 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -781,12 +781,6 @@ static struct map_desc da850_io_desc[] = { .length = DA8XX_CP_INTC_SIZE, .type = MT_DEVICE }, - { - .virtual = SRAM_VIRT, - .pfn = __phys_to_pfn(DA8XX_ARM_RAM_BASE), - .length = SZ_8K, - .type = MT_DEVICE - }, }; static u32 da850_psc_bases[] = { DA8XX_PSC0_BASE, DA8XX_PSC1_BASE }; diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c index a255434908d..b49c3b77d55 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c @@ -758,12 +758,6 @@ static struct map_desc dm355_io_desc[] = { .length = IO_SIZE, .type = MT_DEVICE }, - { - .virtual = SRAM_VIRT, - .pfn = __phys_to_pfn(0x00010000), - .length = SZ_32K, - .type = MT_MEMORY_NONCACHED, - }, }; /* Contents of JTAG ID register used to identify exact cpu type */ diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c index b680c832e0b..6c3980540be 100644 --- a/arch/arm/mach-davinci/dm365.c +++ b/arch/arm/mach-davinci/dm365.c @@ -985,12 +985,6 @@ static struct map_desc dm365_io_desc[] = { .length = IO_SIZE, .type = MT_DEVICE }, - { - .virtual = SRAM_VIRT, - .pfn = __phys_to_pfn(0x00010000), - .length = SZ_32K, - .type = MT_MEMORY_NONCACHED, - }, }; static struct resource dm365_ks_resources[] = { diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index cd0c8b1e1ec..9ab1f105cf0 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c @@ -786,12 +786,6 @@ static struct map_desc dm644x_io_desc[] = { .length = IO_SIZE, .type = MT_DEVICE }, - { - .virtual = SRAM_VIRT, - .pfn = __phys_to_pfn(0x00008000), - .length = SZ_16K, - .type = MT_MEMORY_NONCACHED, - }, }; /* Contents of JTAG ID register used to identify exact cpu type */ diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index 97c0f8e555b..ac7b431c4c8 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -756,12 +756,6 @@ static struct map_desc dm646x_io_desc[] = { .length = IO_SIZE, .type = MT_DEVICE }, - { - .virtual = SRAM_VIRT, - .pfn = __phys_to_pfn(0x00010000), - .length = SZ_32K, - .type = MT_MEMORY_NONCACHED, - }, }; /* Contents of JTAG ID register used to identify exact cpu type */ diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h index bdc4aa8e672..046c7238a3d 100644 --- a/arch/arm/mach-davinci/include/mach/common.h +++ b/arch/arm/mach-davinci/include/mach/common.h @@ -104,8 +104,6 @@ int davinci_pm_init(void); static inline int davinci_pm_init(void) { return 0; } #endif -/* standard place to map on-chip SRAMs; they *may* support DMA */ -#define SRAM_VIRT 0xfffe0000 #define SRAM_SIZE SZ_128K #endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */ diff --git a/arch/arm/mach-davinci/sram.c b/arch/arm/mach-davinci/sram.c index db0f7787faf..fa56374912d 100644 --- a/arch/arm/mach-davinci/sram.c +++ b/arch/arm/mach-davinci/sram.c @@ -10,6 +10,7 @@ */ #include #include +#include #include #include @@ -32,7 +33,7 @@ void *sram_alloc(size_t len, dma_addr_t *dma) return NULL; if (dma) - *dma = dma_base + (vaddr - SRAM_VIRT); + *dma = gen_pool_virt_to_phys(sram_pool, vaddr); return (void *)vaddr; } @@ -53,8 +54,10 @@ EXPORT_SYMBOL(sram_free); */ static int __init sram_init(void) { + phys_addr_t phys = davinci_soc_info.sram_dma; unsigned len = davinci_soc_info.sram_len; int status = 0; + void *addr; if (len) { len = min_t(unsigned, len, SRAM_SIZE); @@ -62,8 +65,17 @@ static int __init sram_init(void) if (!sram_pool) status = -ENOMEM; } - if (sram_pool) - status = gen_pool_add(sram_pool, SRAM_VIRT, len, -1); + + if (sram_pool) { + addr = ioremap(phys, len); + if (!addr) + return -ENOMEM; + status = gen_pool_add_virt(sram_pool, (unsigned)addr, + phys, len, -1); + if (status < 0) + iounmap(addr); + } + WARN_ON(status < 0); return status; } -- cgit v1.2.3 From c94472d4ad11c5b7d8cd527d136c198269d390fc Mon Sep 17 00:00:00 2001 From: Subhasish Ghosh Date: Fri, 5 Oct 2012 13:04:42 -0400 Subject: ARM: davinci: da850: changed SRAM allocator to shared ram. This patch modifies the sram allocator to allocate memory from the DA8XX shared RAM. Regression tested suspend/resume on AM180x EVM. Signed-off-by: Subhasish Ghosh [rebased onto consolidated SRAM patches] Signed-off-by: Ben Gardiner [rebased to mainline as consolidated SRAM patches were dropped] Signed-off-by: Matt Porter Signed-off-by: Sekhar Nori --- arch/arm/mach-davinci/da850.c | 4 ++-- arch/arm/mach-davinci/include/mach/da8xx.h | 1 + 2 files changed, 3 insertions(+), 2 deletions(-) (limited to 'arch/arm/mach-davinci') diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index ffc84f5e1aa..41d2cabbcf3 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -1233,8 +1233,8 @@ static struct davinci_soc_info davinci_soc_info_da850 = { .gpio_irq = IRQ_DA8XX_GPIO0, .serial_dev = &da8xx_serial_device, .emac_pdata = &da8xx_emac_pdata, - .sram_dma = DA8XX_ARM_RAM_BASE, - .sram_len = SZ_8K, + .sram_dma = DA8XX_SHARED_RAM_BASE, + .sram_len = SZ_128K, }; void __init da850_init(void) diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h index aaccdc4528f..97bc7006bfc 100644 --- a/arch/arm/mach-davinci/include/mach/da8xx.h +++ b/arch/arm/mach-davinci/include/mach/da8xx.h @@ -72,6 +72,7 @@ extern unsigned int da850_max_speed; #define DA8XX_AEMIF_CS2_BASE 0x60000000 #define DA8XX_AEMIF_CS3_BASE 0x62000000 #define DA8XX_AEMIF_CTL_BASE 0x68000000 +#define DA8XX_SHARED_RAM_BASE 0x80000000 #define DA8XX_ARM_RAM_BASE 0xffff0000 void __init da830_init(void); -- cgit v1.2.3 From 983c42ba3465d4a80edfd318de24f8ffb2bf71ca Mon Sep 17 00:00:00 2001 From: Matt Porter Date: Fri, 5 Oct 2012 13:04:43 -0400 Subject: ARM: davinci: add platform hook to fetch the SRAM pool Adds sram_get_gen_pool() which allows platform code to get the machine's SRAM gen_pool. The gen_pool may be passed in platform data for driver genalloc use. Signed-off-by: Matt Porter Signed-off-by: Sekhar Nori --- arch/arm/mach-davinci/include/mach/sram.h | 3 +++ arch/arm/mach-davinci/sram.c | 5 +++++ 2 files changed, 8 insertions(+) (limited to 'arch/arm/mach-davinci') diff --git a/arch/arm/mach-davinci/include/mach/sram.h b/arch/arm/mach-davinci/include/mach/sram.h index 111f7cc71e0..4e5db56218b 100644 --- a/arch/arm/mach-davinci/include/mach/sram.h +++ b/arch/arm/mach-davinci/include/mach/sram.h @@ -24,4 +24,7 @@ extern void *sram_alloc(size_t len, dma_addr_t *dma); extern void sram_free(void *addr, size_t len); +/* Get the struct gen_pool * for use in platform data */ +extern struct gen_pool *sram_get_gen_pool(void); + #endif /* __MACH_SRAM_H */ diff --git a/arch/arm/mach-davinci/sram.c b/arch/arm/mach-davinci/sram.c index fa56374912d..c5f7ee5cc80 100644 --- a/arch/arm/mach-davinci/sram.c +++ b/arch/arm/mach-davinci/sram.c @@ -18,6 +18,11 @@ static struct gen_pool *sram_pool; +struct gen_pool *sram_get_gen_pool(void) +{ + return sram_pool; +} + void *sram_alloc(size_t len, dma_addr_t *dma) { unsigned long vaddr; -- cgit v1.2.3 From 8e0d72d2c7a6955692ba0a21bbf5ca86e8061777 Mon Sep 17 00:00:00 2001 From: Matt Porter Date: Mon, 8 Oct 2012 09:53:08 -0400 Subject: ARM: davinci: da8xx: add DA850 PRUSS support Adds PRUSS clock support and registration helper for the uio_pruss device. Signed-off-by: Matt Porter Signed-off-by: Sekhar Nori --- arch/arm/mach-davinci/da850.c | 7 +++ arch/arm/mach-davinci/devices-da8xx.c | 71 ++++++++++++++++++++++++++++++ arch/arm/mach-davinci/include/mach/da8xx.h | 2 + 3 files changed, 80 insertions(+) (limited to 'arch/arm/mach-davinci') diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index 41d2cabbcf3..68c5fe01857 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -212,6 +212,12 @@ static struct clk tptc2_clk = { .flags = ALWAYS_ENABLED, }; +static struct clk pruss_clk = { + .name = "pruss", + .parent = &pll0_sysclk2, + .lpsc = DA8XX_LPSC0_PRUSS, +}; + static struct clk uart0_clk = { .name = "uart0", .parent = &pll0_sysclk2, @@ -385,6 +391,7 @@ static struct clk_lookup da850_clks[] = { CLK(NULL, "tptc1", &tptc1_clk), CLK(NULL, "tpcc1", &tpcc1_clk), CLK(NULL, "tptc2", &tptc2_clk), + CLK("pruss_uio", "pruss", &pruss_clk), CLK(NULL, "uart0", &uart0_clk), CLK(NULL, "uart1", &uart1_clk), CLK(NULL, "uart2", &uart2_clk), diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index d53612f12c5..46c9a0c09ae 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -22,6 +22,7 @@ #include #include #include +#include #include "clock.h" #include "asp.h" @@ -32,6 +33,7 @@ #define DA8XX_WDOG_BASE 0x01c21000 /* DA8XX_TIMER64P1_BASE */ #define DA8XX_I2C0_BASE 0x01c22000 #define DA8XX_RTC_BASE 0x01c23000 +#define DA8XX_PRUSS_MEM_BASE 0x01c30000 #define DA8XX_MMCSD0_BASE 0x01c40000 #define DA8XX_SPI0_BASE 0x01c41000 #define DA830_SPI1_BASE 0x01e12000 @@ -518,6 +520,75 @@ void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata) } } +static struct resource da8xx_pruss_resources[] = { + { + .start = DA8XX_PRUSS_MEM_BASE, + .end = DA8XX_PRUSS_MEM_BASE + 0xFFFF, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_DA8XX_EVTOUT0, + .end = IRQ_DA8XX_EVTOUT0, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT1, + .end = IRQ_DA8XX_EVTOUT1, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT2, + .end = IRQ_DA8XX_EVTOUT2, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT3, + .end = IRQ_DA8XX_EVTOUT3, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT4, + .end = IRQ_DA8XX_EVTOUT4, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT5, + .end = IRQ_DA8XX_EVTOUT5, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT6, + .end = IRQ_DA8XX_EVTOUT6, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DA8XX_EVTOUT7, + .end = IRQ_DA8XX_EVTOUT7, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct uio_pruss_pdata da8xx_uio_pruss_pdata = { + .pintc_base = 0x4000, +}; + +static struct platform_device da8xx_uio_pruss_dev = { + .name = "pruss_uio", + .id = -1, + .num_resources = ARRAY_SIZE(da8xx_pruss_resources), + .resource = da8xx_pruss_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &da8xx_uio_pruss_pdata, + } +}; + +int __init da8xx_register_uio_pruss(void) +{ + da8xx_uio_pruss_pdata.sram_pool = sram_get_gen_pool(); + return platform_device_register(&da8xx_uio_pruss_dev); +} + static const struct display_panel disp_panel = { QVGA, 16, diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h index 97bc7006bfc..700d311c685 100644 --- a/arch/arm/mach-davinci/include/mach/da8xx.h +++ b/arch/arm/mach-davinci/include/mach/da8xx.h @@ -26,6 +26,7 @@ #include #include #include +#include #include @@ -87,6 +88,7 @@ int da8xx_register_watchdog(void); int da8xx_register_usb20(unsigned mA, unsigned potpgt); int da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata); int da8xx_register_emac(void); +int da8xx_register_uio_pruss(void); int da8xx_register_lcdc(struct da8xx_lcdc_platform_data *pdata); int da8xx_register_mmcsd0(struct davinci_mmc_config *config); int da850_register_mmcsd1(struct davinci_mmc_config *config); -- cgit v1.2.3