From 85bc26211c6a2c6e82c2403697f8ce44e9587215 Mon Sep 17 00:00:00 2001 From: Martin Michlmayr Date: Tue, 19 May 2009 12:30:52 +0200 Subject: [ARM] Orion: Remove explicit name for platform device resources Remove explicit names from platform device resources since they will automatically be named after the platform device they're associated with. Signed-off-by: Martin Michlmayr Acked-by: Russell King Signed-off-by: Nicolas Pitre --- arch/arm/mach-kirkwood/common.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'arch/arm/mach-kirkwood/common.c') diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index eeb00240d78..3fab82a4c8f 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -386,12 +386,10 @@ static struct mv64xxx_i2c_pdata kirkwood_i2c_pdata = { static struct resource kirkwood_i2c_resources[] = { { - .name = "i2c", .start = I2C_PHYS_BASE, .end = I2C_PHYS_BASE + 0x1f, .flags = IORESOURCE_MEM, }, { - .name = "i2c", .start = IRQ_KIRKWOOD_TWSI, .end = IRQ_KIRKWOOD_TWSI, .flags = IORESOURCE_IRQ, -- cgit v1.2.3 From a49a018a6ea6d73742a81d673fe5ec4a7d2137b3 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Fri, 22 May 2009 16:53:40 -0400 Subject: [ARM] add coherent DMA mask for mv643xx_eth Since commit eb0519b5a1cf, mv643xx_eth is non functional on ARM because the platform device declaration does not include any coherent DMA mask and coherent memory allocations fail. Signed-off-by: Nicolas Pitre --- arch/arm/mach-kirkwood/common.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'arch/arm/mach-kirkwood/common.c') diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 3fab82a4c8f..be1ca28fed3 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -144,6 +144,9 @@ static struct platform_device kirkwood_ge00 = { .id = 0, .num_resources = 1, .resource = kirkwood_ge00_resources, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, }; void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data) @@ -202,6 +205,9 @@ static struct platform_device kirkwood_ge01 = { .id = 1, .num_resources = 1, .resource = kirkwood_ge01_resources, + .dev = { + .coherent_dma_mask = 0xffffffff, + }, }; void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data) -- cgit v1.2.3 From fb7b2d3f0dda3fbd711c191fd3b9496653e81ac7 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Mon, 1 Jun 2009 15:36:36 -0400 Subject: [ARM] Kirkwood: rationalize NAND setup a bit Common resource and platform device structures are moved to common.c and only the partition table and chip delay remains a per board parameter. Signed-off-by: Nicolas Pitre --- arch/arm/mach-kirkwood/common.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) (limited to 'arch/arm/mach-kirkwood/common.c') diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index be1ca28fed3..6e3eb1a6a66 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -257,6 +258,42 @@ void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq) } +/***************************************************************************** + * NAND flash + ****************************************************************************/ +static struct resource kirkwood_nand_resource = { + .flags = IORESOURCE_MEM, + .start = KIRKWOOD_NAND_MEM_PHYS_BASE, + .end = KIRKWOOD_NAND_MEM_PHYS_BASE + + KIRKWOOD_NAND_MEM_SIZE - 1, +}; + +static struct orion_nand_data kirkwood_nand_data = { + .cle = 0, + .ale = 1, + .width = 8, +}; + +static struct platform_device kirkwood_nand_flash = { + .name = "orion_nand", + .id = -1, + .dev = { + .platform_data = &kirkwood_nand_data, + }, + .resource = &kirkwood_nand_resource, + .num_resources = 1, +}; + +void __init kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, + int chip_delay) +{ + kirkwood_nand_data.parts = parts; + kirkwood_nand_data.nr_parts = nr_parts; + kirkwood_nand_data.chip_delay = chip_delay; + platform_device_register(&kirkwood_nand_flash); +} + + /***************************************************************************** * SoC RTC ****************************************************************************/ -- cgit v1.2.3 From e8b2b7ba1200de8e50788e358e2d945a0c0fcfad Mon Sep 17 00:00:00 2001 From: Rabeeh Khoury Date: Sun, 22 Mar 2009 17:30:32 +0200 Subject: [ARM] Kirkwood: clock gating for unused peripherals To save power: 1. Enabling clock gating of unused peripherals 2. PLL and PHY of the units are also disabled (when possible. Signed-off-by: Rabeeh Khoury Signed-off-by: Nicolas Pitre --- arch/arm/mach-kirkwood/common.c | 59 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) (limited to 'arch/arm/mach-kirkwood/common.c') diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 6e3eb1a6a66..d127731f47d 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -55,6 +55,13 @@ void __init kirkwood_map_io(void) iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc)); } +/* + * Default clock control bits. Any bit _not_ set in this variable + * will be cleared from the hardware after platform devices have been + * registered. Some reserved bits must be set to 1. + */ +unsigned int kirkwood_clk_ctrl = CGC_DUNIT | CGC_RESERVED; + /***************************************************************************** * EHCI @@ -96,6 +103,7 @@ static struct platform_device kirkwood_ehci = { void __init kirkwood_ehci_init(void) { + kirkwood_clk_ctrl |= CGC_USB0; platform_device_register(&kirkwood_ehci); } @@ -152,6 +160,7 @@ static struct platform_device kirkwood_ge00 = { void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data) { + kirkwood_clk_ctrl |= CGC_GE0; eth_data->shared = &kirkwood_ge00_shared; kirkwood_ge00.dev.platform_data = eth_data; @@ -213,6 +222,7 @@ static struct platform_device kirkwood_ge01 = { void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data) { + kirkwood_clk_ctrl |= CGC_GE1; eth_data->shared = &kirkwood_ge01_shared; kirkwood_ge01.dev.platform_data = eth_data; @@ -287,6 +297,7 @@ static struct platform_device kirkwood_nand_flash = { void __init kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, int chip_delay) { + kirkwood_clk_ctrl |= CGC_RUNIT; kirkwood_nand_data.parts = parts; kirkwood_nand_data.nr_parts = nr_parts; kirkwood_nand_data.chip_delay = chip_delay; @@ -338,6 +349,9 @@ static struct platform_device kirkwood_sata = { void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data) { + kirkwood_clk_ctrl |= CGC_SATA0; + if (sata_data->n_ports > 1) + kirkwood_clk_ctrl |= CGC_SATA1; sata_data->dram = &kirkwood_mbus_dram_info; kirkwood_sata.dev.platform_data = sata_data; platform_device_register(&kirkwood_sata); @@ -383,6 +397,7 @@ void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data) else mvsdio_data->clock = 200000000; mvsdio_data->dram = &kirkwood_mbus_dram_info; + kirkwood_clk_ctrl |= CGC_SDIO; kirkwood_sdio.dev.platform_data = mvsdio_data; platform_device_register(&kirkwood_sdio); } @@ -414,6 +429,7 @@ static struct platform_device kirkwood_spi = { void __init kirkwood_spi_init() { + kirkwood_clk_ctrl |= CGC_RUNIT; platform_device_register(&kirkwood_spi); } @@ -634,6 +650,7 @@ static struct platform_device kirkwood_xor01_channel = { static void __init kirkwood_xor0_init(void) { + kirkwood_clk_ctrl |= CGC_XOR0; platform_device_register(&kirkwood_xor0_shared); /* @@ -732,6 +749,7 @@ static struct platform_device kirkwood_xor11_channel = { static void __init kirkwood_xor1_init(void) { + kirkwood_clk_ctrl |= CGC_XOR1; platform_device_register(&kirkwood_xor1_shared); /* @@ -844,3 +862,44 @@ void __init kirkwood_init(void) kirkwood_xor0_init(); kirkwood_xor1_init(); } + +static int __init kirkwood_clock_gate(void) +{ + unsigned int curr = readl(CLOCK_GATING_CTRL); + + printk(KERN_DEBUG "Gating clock of unused units\n"); + printk(KERN_DEBUG "before: 0x%08x\n", curr); + + /* Make sure those units are accessible */ + writel(curr | CGC_SATA0 | CGC_SATA1 | CGC_PEX0, CLOCK_GATING_CTRL); + + /* For SATA: first shutdown the phy */ + if (!(kirkwood_clk_ctrl & CGC_SATA0)) { + /* Disable PLL and IVREF */ + writel(readl(SATA0_PHY_MODE_2) & ~0xf, SATA0_PHY_MODE_2); + /* Disable PHY */ + writel(readl(SATA0_IF_CTRL) | 0x200, SATA0_IF_CTRL); + } + if (!(kirkwood_clk_ctrl & CGC_SATA1)) { + /* Disable PLL and IVREF */ + writel(readl(SATA1_PHY_MODE_2) & ~0xf, SATA1_PHY_MODE_2); + /* Disable PHY */ + writel(readl(SATA1_IF_CTRL) | 0x200, SATA1_IF_CTRL); + } + + /* For PCIe: first shutdown the phy */ + if (!(kirkwood_clk_ctrl & CGC_PEX0)) { + writel(readl(PCIE_LINK_CTRL) | 0x10, PCIE_LINK_CTRL); + while (1) + if (readl(PCIE_STATUS) & 0x1) + break; + writel(readl(PCIE_LINK_CTRL) & ~0x10, PCIE_LINK_CTRL); + } + + /* Now gate clock the required units */ + writel(kirkwood_clk_ctrl, CLOCK_GATING_CTRL); + printk(KERN_DEBUG " after: 0x%08x\n", readl(CLOCK_GATING_CTRL)); + + return 0; +} +late_initcall(kirkwood_clock_gate); -- cgit v1.2.3 From 054bd3f053de54c81b20df11f354476389826e61 Mon Sep 17 00:00:00 2001 From: Thomas Reitmayr Date: Mon, 1 Jun 2009 13:38:34 +0200 Subject: [ARM] Kirkwood: Add the watchdog timer as a platform device. The Kirkwood architecture uses the same watchdog device as the Orion architecture. This patch adds orion5x_wdt as a platform device for Kirkwood. Signed-off-by: Thomas Reitmayr Tested-by: Martin Michlmayr Signed-off-by: Nicolas Pitre --- arch/arm/mach-kirkwood/common.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'arch/arm/mach-kirkwood/common.c') diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index d127731f47d..a053184bdee 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include "common.h" @@ -767,6 +768,29 @@ static void __init kirkwood_xor1_init(void) } +/***************************************************************************** + * Watchdog + ****************************************************************************/ +static struct orion5x_wdt_platform_data kirkwood_wdt_data = { + .tclk = 0, +}; + +static struct platform_device kirkwood_wdt_device = { + .name = "orion5x_wdt", + .id = -1, + .dev = { + .platform_data = &kirkwood_wdt_data, + }, + .num_resources = 0, +}; + +static void __init kirkwood_wdt_init(void) +{ + kirkwood_wdt_data.tclk = kirkwood_tclk; + platform_device_register(&kirkwood_wdt_device); +} + + /***************************************************************************** * Time handling ****************************************************************************/ @@ -859,6 +883,7 @@ void __init kirkwood_init(void) /* internal devices that every board has */ kirkwood_rtc_init(); + kirkwood_wdt_init(); kirkwood_xor0_init(); kirkwood_xor1_init(); } -- cgit v1.2.3 From 3b937a7dbddbedd9457b33fcc8fa369c0c229c6e Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Mon, 1 Jun 2009 13:56:02 -0400 Subject: [ARM] Orion/Kirkwood: rename orion5x_wdt to orion_wdt The Orion watchdog driver is also used on Kirkwood. Convention is to use orion5x for stuff specific to 88F5xxx Orion chips and simply "orion" for shared stuff across SoCs including Kirkwood. Signed-off-by: Nicolas Pitre --- arch/arm/mach-kirkwood/common.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/arm/mach-kirkwood/common.c') diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index a053184bdee..3da32b1834d 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -30,7 +30,7 @@ #include #include #include -#include +#include #include #include "common.h" @@ -771,12 +771,12 @@ static void __init kirkwood_xor1_init(void) /***************************************************************************** * Watchdog ****************************************************************************/ -static struct orion5x_wdt_platform_data kirkwood_wdt_data = { +static struct orion_wdt_platform_data kirkwood_wdt_data = { .tclk = 0, }; static struct platform_device kirkwood_wdt_device = { - .name = "orion5x_wdt", + .name = "orion_wdt", .id = -1, .dev = { .platform_data = &kirkwood_wdt_data, -- cgit v1.2.3 From ae5c8c83735f5fcb09b380944e4854a383006998 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Wed, 3 Jun 2009 15:24:36 -0400 Subject: [ARM] Kirkwood: platform device registration for the crypto engine Signed-off-by: Nicolas Pitre --- arch/arm/mach-kirkwood/common.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) (limited to 'arch/arm/mach-kirkwood/common.c') diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 3da32b1834d..0f691983801 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -560,6 +560,43 @@ void __init kirkwood_uart1_init(void) } +/***************************************************************************** + * Cryptographic Engines and Security Accelerator (CESA) + ****************************************************************************/ + +static struct resource kirkwood_crypto_res[] = { + { + .name = "regs", + .start = CRYPTO_PHYS_BASE, + .end = CRYPTO_PHYS_BASE + 0xffff, + .flags = IORESOURCE_MEM, + }, { + .name = "sram", + .start = KIRKWOOD_SRAM_PHYS_BASE, + .end = KIRKWOOD_SRAM_PHYS_BASE + KIRKWOOD_SRAM_SIZE - 1, + .flags = IORESOURCE_MEM, + }, { + .name = "crypto interrupt", + .start = IRQ_KIRKWOOD_CRYPTO, + .end = IRQ_KIRKWOOD_CRYPTO, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device kirkwood_crypto_device = { + .name = "mv_crypto", + .id = -1, + .num_resources = ARRAY_SIZE(kirkwood_crypto_res), + .resource = kirkwood_crypto_res, +}; + +void __init kirkwood_crypto_init(void) +{ + kirkwood_clk_ctrl |= CGC_CRYPTO; + platform_device_register(&kirkwood_crypto_device); +} + + /***************************************************************************** * XOR ****************************************************************************/ @@ -886,6 +923,7 @@ void __init kirkwood_init(void) kirkwood_wdt_init(); kirkwood_xor0_init(); kirkwood_xor1_init(); + kirkwood_crypto_init(); } static int __init kirkwood_clock_gate(void) -- cgit v1.2.3