From ccfe30a7c8329e85ae426813a1060e27e2547dd1 Mon Sep 17 00:00:00 2001 From: Holger Schurig Date: Thu, 29 Jan 2009 10:07:50 +0100 Subject: arm/imx2x: new IOMUX definitions * removed iomux-mx1-mx2.h completely * distributes the former contents to four different files (iomux-mx1.h, iomux-mx21.h, iomux-mx27.h and the file iomux-mx2x.h, which is common to both i.MX21 and i.MX27). * adds all documented IOMUX definitions for i.MX21 and i.MX27 * fixes a few that were wrong (PD14_AOUT_FEC_CLR, PE16_AF_RTCK). * don't silenly include * and fixes all collateral damage from above Signed-off-by: Holger Schurig Signed-off-by: Sascha Hauer --- arch/arm/mach-mx1/devices.c | 1 + arch/arm/mach-mx1/mx1ads.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/arm/mach-mx1') diff --git a/arch/arm/mach-mx1/devices.c b/arch/arm/mach-mx1/devices.c index 686d8d2dbb24..cea8f2c71192 100644 --- a/arch/arm/mach-mx1/devices.c +++ b/arch/arm/mach-mx1/devices.c @@ -23,6 +23,7 @@ #include #include #include +#include #include static struct resource imx_csi_resources[] = { diff --git a/arch/arm/mach-mx1/mx1ads.c b/arch/arm/mach-mx1/mx1ads.c index 2e4b185fe4a9..be7dd75ebbe1 100644 --- a/arch/arm/mach-mx1/mx1ads.c +++ b/arch/arm/mach-mx1/mx1ads.c @@ -24,7 +24,7 @@ #include #include #include -#include +#include #include "devices.h" /* -- cgit v1.2.2 From a2865197a5dad23c619c84f44b7fdf7fdbef3f9c Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Mon, 26 Jan 2009 15:41:16 +0100 Subject: [ARM] MXC: Use a single function for decoding a PLL We had 3 versions of this function in clock support for MX1/2/3 Use a single one instead. I picked the one from the MX3 as it seems to calculate more accurate as the other ones. Also, on MX27 and MX31 mfn can be negative, this hasn't been handled correctly on MX27 since now. This patch has been tested on MX27 and MX31 and produces the same clock frequencies for me. Signed-off-by: Sascha Hauer --- arch/arm/mach-mx1/clock.c | 31 ++----------------------------- 1 file changed, 2 insertions(+), 29 deletions(-) (limited to 'arch/arm/mach-mx1') diff --git a/arch/arm/mach-mx1/clock.c b/arch/arm/mach-mx1/clock.c index 4bcd1ece55f5..3c464331b870 100644 --- a/arch/arm/mach-mx1/clock.c +++ b/arch/arm/mach-mx1/clock.c @@ -87,33 +87,6 @@ static int _clk_parent_set_rate(struct clk *clk, unsigned long rate) return clk->parent->set_rate(clk->parent, rate); } -/* - * get the system pll clock in Hz - * - * mfi + mfn / (mfd +1) - * f = 2 * f_ref * -------------------- - * pd + 1 - */ -static unsigned long mx1_decode_pll(unsigned int pll, u32 f_ref) -{ - unsigned long long ll; - unsigned long quot; - - u32 mfi = (pll >> 10) & 0xf; - u32 mfn = pll & 0x3ff; - u32 mfd = (pll >> 16) & 0x3ff; - u32 pd = (pll >> 26) & 0xf; - - mfi = mfi <= 5 ? 5 : mfi; - - ll = 2 * (unsigned long long)f_ref * - ((mfi << 16) + (mfn << 16) / (mfd + 1)); - quot = (pd + 1) * (1 << 16); - ll += quot / 2; - do_div(ll, quot); - return (unsigned long)ll; -} - static unsigned long clk16m_get_rate(struct clk *clk) { return 16000000; @@ -188,7 +161,7 @@ static struct clk prem_clk = { static unsigned long system_clk_get_rate(struct clk *clk) { - return mx1_decode_pll(__raw_readl(CCM_SPCTL0), + return mxc_decode_pll(__raw_readl(CCM_SPCTL0), clk_get_rate(clk->parent)); } @@ -200,7 +173,7 @@ static struct clk system_clk = { static unsigned long mcu_clk_get_rate(struct clk *clk) { - return mx1_decode_pll(__raw_readl(CCM_MPCTL0), + return mxc_decode_pll(__raw_readl(CCM_MPCTL0), clk_get_rate(clk->parent)); } -- cgit v1.2.2 From 30c730f8f90b08d77a73998d2ee34cf1f56e95cc Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Mon, 16 Feb 2009 14:36:49 +0100 Subject: [ARM] MXC: rework timer/clock initialisation - rename mxc_clocks_init to architecture specific versions. This allows us to have more than one architecture compiled in. - call mxc_timer_init from clock initialisation instead from board code Signed-off-by: Sascha Hauer --- arch/arm/mach-mx1/clock.c | 5 ++++- arch/arm/mach-mx1/mx1ads.c | 3 +-- 2 files changed, 5 insertions(+), 3 deletions(-) (limited to 'arch/arm/mach-mx1') diff --git a/arch/arm/mach-mx1/clock.c b/arch/arm/mach-mx1/clock.c index 3c464331b870..40a2274380a3 100644 --- a/arch/arm/mach-mx1/clock.c +++ b/arch/arm/mach-mx1/clock.c @@ -25,6 +25,7 @@ #include #include +#include #include "crm_regs.h" static int _clk_enable(struct clk *clk) @@ -594,7 +595,7 @@ static struct clk *mxc_clks[] = { &rtc_clk, }; -int __init mxc_clocks_init(unsigned long fref) +int __init mx1_clocks_init(unsigned long fref) { struct clk **clkp; unsigned int reg; @@ -625,5 +626,7 @@ int __init mxc_clocks_init(unsigned long fref) clk_enable(&hclk); clk_enable(&fclk); + mxc_timer_init(&gpt_clk); + return 0; } diff --git a/arch/arm/mach-mx1/mx1ads.c b/arch/arm/mach-mx1/mx1ads.c index be7dd75ebbe1..09dc77bb4812 100644 --- a/arch/arm/mach-mx1/mx1ads.c +++ b/arch/arm/mach-mx1/mx1ads.c @@ -118,8 +118,7 @@ static void __init mx1ads_init(void) static void __init mx1ads_timer_init(void) { - mxc_clocks_init(32000); - mxc_timer_init("gpt_clk"); + mx1_clocks_init(32000); } struct sys_timer mx1ads_timer = { -- cgit v1.2.2 From e65fb0099fe4fe82d59ffe84f1e88a489218d7f9 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Mon, 16 Feb 2009 14:29:10 +0100 Subject: [ARM] MXC: remove _clk suffix from clock names The context makes it clear already that these are clocks, so there's no need for such a suffix. This patch only changes the clocks actually used in the tree. The remaining clocks are renamed in the subsequent architecture specific patches. Signed-off-by: Sascha Hauer --- arch/arm/mach-mx1/clock.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/arm/mach-mx1') diff --git a/arch/arm/mach-mx1/clock.c b/arch/arm/mach-mx1/clock.c index 40a2274380a3..0d0f306851d0 100644 --- a/arch/arm/mach-mx1/clock.c +++ b/arch/arm/mach-mx1/clock.c @@ -462,7 +462,7 @@ static struct clk clko_clk = { }; static struct clk dma_clk = { - .name = "dma_clk", + .name = "dma", .parent = &hclk, .round_rate = _clk_parent_round_rate, .set_rate = _clk_parent_set_rate, @@ -513,7 +513,7 @@ static struct clk gpt_clk = { }; static struct clk uart_clk = { - .name = "uart_clk", + .name = "uart", .parent = &perclk[0], .round_rate = _clk_parent_round_rate, .set_rate = _clk_parent_set_rate, -- cgit v1.2.2 From b8b19b0d1c2d9ede8a3f8b9f609fd66cf5ede057 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 28 Jan 2009 14:06:20 +0100 Subject: [ARM] mx1ads: add I2C support Signed-off-by: Sascha Hauer --- arch/arm/mach-mx1/mx1ads.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) (limited to 'arch/arm/mach-mx1') diff --git a/arch/arm/mach-mx1/mx1ads.c b/arch/arm/mach-mx1/mx1ads.c index 09dc77bb4812..89738fe576b1 100644 --- a/arch/arm/mach-mx1/mx1ads.c +++ b/arch/arm/mach-mx1/mx1ads.c @@ -16,6 +16,8 @@ #include #include #include +#include +#include #include #include @@ -24,6 +26,10 @@ #include #include #include +#include +#ifdef CONFIG_I2C_IMX +#include +#endif #include #include "devices.h" @@ -103,6 +109,55 @@ static struct platform_device flash_device = { .num_resources = 1, }; +/* + * I2C + */ + +#ifdef CONFIG_I2C_IMX +static int i2c_pins[] = { + PA15_PF_I2C_SDA, + PA16_PF_I2C_SCL, +}; + +static int i2c_init(struct device *dev) +{ + return mxc_gpio_setup_multiple_pins(i2c_pins, + ARRAY_SIZE(i2c_pins), "I2C"); +} + +static void i2c_exit(struct device *dev) +{ + mxc_gpio_release_multiple_pins(i2c_pins, + ARRAY_SIZE(i2c_pins)); +} + +static struct pcf857x_platform_data pcf857x_data[] = { + { + .gpio_base = 4 * 32, + }, { + .gpio_base = 4 * 32 + 16, + } +}; + +static struct imxi2c_platform_data mx1ads_i2c_data = { + .bitrate = 100000, + .init = i2c_init, + .exit = i2c_exit, +}; + +static struct i2c_board_info mx1ads_i2c_devices[] = { + { + I2C_BOARD_INFO("pcf857x", 0x22), + .type = "pcf8575", + .platform_data = &pcf857x_data[0], + }, { + I2C_BOARD_INFO("pcf857x", 0x24), + .type = "pcf8575", + .platform_data = &pcf857x_data[1], + }, +}; +#endif + /* * Board init */ @@ -114,6 +169,14 @@ static void __init mx1ads_init(void) /* Physmap flash */ mxc_register_device(&flash_device, &mx1ads_flash_data); + + /* I2C */ +#ifdef CONFIG_I2C_IMX + i2c_register_board_info(0, mx1ads_i2c_devices, + ARRAY_SIZE(mx1ads_i2c_devices)); + + mxc_register_device(&imx_i2c_device, &mx1ads_i2c_data); +#endif } static void __init mx1ads_timer_init(void) -- cgit v1.2.2 From 2420563227897ed3900606e720f886e122944d2c Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 28 Jan 2009 17:36:37 +0100 Subject: [ARM] Add Synertronixx scb9328 board support Signed-off-by: Sascha Hauer --- arch/arm/mach-mx1/Kconfig | 4 ++ arch/arm/mach-mx1/Makefile | 1 + arch/arm/mach-mx1/scb9328.c | 160 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 165 insertions(+) create mode 100644 arch/arm/mach-mx1/scb9328.c (limited to 'arch/arm/mach-mx1') diff --git a/arch/arm/mach-mx1/Kconfig b/arch/arm/mach-mx1/Kconfig index 2b59fc74784f..f86cfcb60224 100644 --- a/arch/arm/mach-mx1/Kconfig +++ b/arch/arm/mach-mx1/Kconfig @@ -11,4 +11,8 @@ config ARCH_MX1ADS help Say Y here if you are using Motorola MX1ADS/MXLADS boards +config MACH_SCB9328 + bool "Synertronixx scb9328" + help + Say Y here if you are using a Synertronixx scb9328 board endif diff --git a/arch/arm/mach-mx1/Makefile b/arch/arm/mach-mx1/Makefile index b969719011fa..82f1309568ef 100644 --- a/arch/arm/mach-mx1/Makefile +++ b/arch/arm/mach-mx1/Makefile @@ -8,3 +8,4 @@ obj-y += generic.o clock.o devices.o # Specific board support obj-$(CONFIG_ARCH_MX1ADS) += mx1ads.o +obj-$(CONFIG_MACH_SCB9328) += scb9328.o \ No newline at end of file diff --git a/arch/arm/mach-mx1/scb9328.c b/arch/arm/mach-mx1/scb9328.c new file mode 100644 index 000000000000..0e71f3fa28bf --- /dev/null +++ b/arch/arm/mach-mx1/scb9328.c @@ -0,0 +1,160 @@ +/* + * linux/arch/arm/mach-mx1/scb9328.c + * + * Copyright (c) 2004 Sascha Hauer + * Copyright (c) 2006-2008 Juergen Beisert + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "devices.h" + +/* + * This scb9328 has a 32MiB flash + */ +static struct resource flash_resource = { + .start = IMX_CS0_PHYS, + .end = IMX_CS0_PHYS + (32 * 1024 * 1024) - 1, + .flags = IORESOURCE_MEM, +}; + +static struct physmap_flash_data scb_flash_data = { + .width = 2, +}; + +static struct platform_device scb_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &scb_flash_data, + }, + .resource = &flash_resource, + .num_resources = 1, +}; + +/* + * scb9328 has a DM9000 network controller + * connected to CS5, with 16 bit data path + * and interrupt connected to GPIO 3 + */ + +/* + * internal datapath is fixed 16 bit + */ +static struct dm9000_plat_data dm9000_platdata = { + .flags = DM9000_PLATF_16BITONLY, +}; + +/* + * the DM9000 drivers wants two defined address spaces + * to gain access to address latch registers and the data path. + */ +static struct resource dm9000x_resources[] = { + [0] = { + .name = "address area", + .start = IMX_CS5_PHYS, + .end = IMX_CS5_PHYS + 1, + .flags = IORESOURCE_MEM /* address access */ + }, + [1] = { + .name = "data area", + .start = IMX_CS5_PHYS + 4, + .end = IMX_CS5_PHYS + 5, + .flags = IORESOURCE_MEM /* data access */ + }, + [2] = { + .start = IRQ_GPIOC(3), + .end = IRQ_GPIOC(3), + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL + }, +}; + +static struct platform_device dm9000x_device = { + .name = "dm9000", + .id = 0, + .num_resources = ARRAY_SIZE(dm9000x_resources), + .resource = dm9000x_resources, + .dev = { + .platform_data = &dm9000_platdata, + } +}; + +static int mxc_uart1_pins[] = { + PC9_PF_UART1_CTS, + PC10_PF_UART1_RTS, + PC11_PF_UART1_TXD, + PC12_PF_UART1_RXD, +}; + +static int uart1_mxc_init(struct platform_device *pdev) +{ + return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, + ARRAY_SIZE(mxc_uart1_pins), "UART1"); +} + +static int uart1_mxc_exit(struct platform_device *pdev) +{ + mxc_gpio_release_multiple_pins(mxc_uart1_pins, + ARRAY_SIZE(mxc_uart1_pins)); + return 0; +} + +static struct imxuart_platform_data uart_pdata = { + .init = uart1_mxc_init, + .exit = uart1_mxc_exit, + .flags = IMXUART_HAVE_RTSCTS, +}; + +static struct platform_device *devices[] __initdata = { + &scb_flash_device, + &dm9000x_device, +}; + +/* + * scb9328_init - Init the CPU card itself + */ +static void __init scb9328_init(void) +{ + mxc_register_device(&imx_uart1_device, &uart_pdata); + + printk(KERN_INFO"Scb9328: Adding devices\n"); + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +static void __init scb9328_timer_init(void) +{ + mx1_clocks_init(32000); +} + +static struct sys_timer scb9328_timer = { + .init = scb9328_timer_init, +}; + +MACHINE_START(SCB9328, "Synertronixx scb9328") + /* Sascha Hauer */ + .phys_io = 0x00200000, + .io_pg_offst = ((0xe0200000) >> 18) & 0xfffc, + .boot_params = 0x08000100, + .map_io = mxc_map_io, + .init_irq = mxc_init_irq, + .timer = &scb9328_timer, + .init_machine = scb9328_init, +MACHINE_END -- cgit v1.2.2 From 87bbb19721fbd6b5e556105c188da80d06f738b1 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 29 Jan 2009 16:00:23 +0100 Subject: [ARM] mxc: add missing include include devices.h from devices.c to avoid inconsistencies and to fix sparse warnings Signed-off-by: Sascha Hauer --- arch/arm/mach-mx1/devices.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arm/mach-mx1') diff --git a/arch/arm/mach-mx1/devices.c b/arch/arm/mach-mx1/devices.c index cea8f2c71192..97f42d96d7a1 100644 --- a/arch/arm/mach-mx1/devices.c +++ b/arch/arm/mach-mx1/devices.c @@ -26,6 +26,8 @@ #include #include +#include "devices.h" + static struct resource imx_csi_resources[] = { [0] = { .start = 0x00224000, -- cgit v1.2.2 From 6bbdbf2f95771c0a2dbccc423b99b37fde9a5078 Mon Sep 17 00:00:00 2001 From: Holger Schurig Date: Thu, 29 Jan 2009 14:42:25 +0100 Subject: arm/imx: Kconfig beautification Signed-off-by: Holger Schurig Signed-off-by: Sascha Hauer --- arch/arm/mach-mx1/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/arm/mach-mx1') diff --git a/arch/arm/mach-mx1/Kconfig b/arch/arm/mach-mx1/Kconfig index f86cfcb60224..eb7660f5d4b7 100644 --- a/arch/arm/mach-mx1/Kconfig +++ b/arch/arm/mach-mx1/Kconfig @@ -1,6 +1,6 @@ if ARCH_MX1 -comment "MX1 Platforms" +comment "MX1 platforms:" config MACH_MXLADS bool @@ -15,4 +15,5 @@ config MACH_SCB9328 bool "Synertronixx scb9328" help Say Y here if you are using a Synertronixx scb9328 board + endif -- cgit v1.2.2