From 074694956b547de9a6b85b919c0bb13853b88c2d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Mon, 14 Jun 2010 15:56:58 +0200 Subject: ARM: imx: move mx1 support to mach-imx MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Uwe Kleine-König --- arch/arm/mach-imx/Kconfig | 19 + arch/arm/mach-imx/Makefile | 8 + arch/arm/mach-imx/Makefile.boot | 4 + arch/arm/mach-imx/clock-imx1.c | 636 ++++++++++++++++++++++++++++++++ arch/arm/mach-imx/devices.c | 197 ++++++++++ arch/arm/mach-imx/devices.h | 12 + arch/arm/mach-imx/mach-mx1ads.c | 165 +++++++++ arch/arm/mach-imx/mach-scb9328.c | 157 ++++++++ arch/arm/mach-imx/mm-imx1.c | 55 +++ arch/arm/mach-imx/mx1-camera-fiq-ksym.c | 18 + arch/arm/mach-imx/mx1-camera-fiq.S | 35 ++ 11 files changed, 1306 insertions(+) create mode 100644 arch/arm/mach-imx/clock-imx1.c create mode 100644 arch/arm/mach-imx/mach-mx1ads.c create mode 100644 arch/arm/mach-imx/mach-scb9328.c create mode 100644 arch/arm/mach-imx/mm-imx1.c create mode 100644 arch/arm/mach-imx/mx1-camera-fiq-ksym.c create mode 100644 arch/arm/mach-imx/mx1-camera-fiq.S (limited to 'arch/arm/mach-imx') diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 742fd4e6dcb9..c6eddd7f68c9 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -1,3 +1,22 @@ +if ARCH_MX1 + +comment "MX1 platforms:" +config MACH_MXLADS + bool + +config ARCH_MX1ADS + bool "MX1ADS platform" + select MACH_MXLADS + 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 + if ARCH_MX2 choice diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 9d57ba65d973..e56a1191c9df 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -6,12 +6,20 @@ obj-y := devices.o +obj-$(CONFIG_ARCH_MX1) += clock-imx1.o mm-imx1.o obj-$(CONFIG_MACH_MX21) += clock-imx21.o mm-imx21.o obj-$(CONFIG_MACH_MX27) += cpu-imx27.o obj-$(CONFIG_MACH_MX27) += clock-imx27.o mm-imx27.o +# Support for CMOS sensor interface +obj-$(CONFIG_MX1_VIDEO) += mx1-camera-fiq.o mx1-camera-fiq-ksym.o + +obj-$(CONFIG_ARCH_MX1ADS) += mach-mx1ads.o +obj-$(CONFIG_MACH_SCB9328) += mach-scb9328.o + obj-$(CONFIG_MACH_MX21ADS) += mach-mx21ads.o + obj-$(CONFIG_MACH_MX27ADS) += mach-mx27ads.o obj-$(CONFIG_MACH_PCM038) += mach-pcm038.o obj-$(CONFIG_MACH_PCM970_BASEBOARD) += pcm970-baseboard.o diff --git a/arch/arm/mach-imx/Makefile.boot b/arch/arm/mach-imx/Makefile.boot index e867398a8fdb..7988a85cf07d 100644 --- a/arch/arm/mach-imx/Makefile.boot +++ b/arch/arm/mach-imx/Makefile.boot @@ -1,3 +1,7 @@ +zreladdr-$(CONFIG_ARCH_MX1) := 0x08008000 +params_phys-$(CONFIG_ARCH_MX1) := 0x08000100 +initrd_phys-$(CONFIG_ARCH_MX1) := 0x08800000 + zreladdr-$(CONFIG_MACH_MX21) := 0xC0008000 params_phys-$(CONFIG_MACH_MX21) := 0xC0000100 initrd_phys-$(CONFIG_MACH_MX21) := 0xC0800000 diff --git a/arch/arm/mach-imx/clock-imx1.c b/arch/arm/mach-imx/clock-imx1.c new file mode 100644 index 000000000000..c05096c38301 --- /dev/null +++ b/arch/arm/mach-imx/clock-imx1.c @@ -0,0 +1,636 @@ +/* + * Copyright (C) 2008 Sascha Hauer , Pengutronix + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include + +#define IO_ADDR_CCM(off) (MX1_IO_ADDRESS(MX1_CCM_BASE_ADDR + (off))) + +/* CCM register addresses */ +#define CCM_CSCR IO_ADDR_CCM(0x0) +#define CCM_MPCTL0 IO_ADDR_CCM(0x4) +#define CCM_SPCTL0 IO_ADDR_CCM(0xc) +#define CCM_PCDR IO_ADDR_CCM(0x20) + +#define CCM_CSCR_CLKO_OFFSET 29 +#define CCM_CSCR_CLKO_MASK (0x7 << 29) +#define CCM_CSCR_USB_OFFSET 26 +#define CCM_CSCR_USB_MASK (0x7 << 26) +#define CCM_CSCR_OSC_EN_SHIFT 17 +#define CCM_CSCR_SYSTEM_SEL (1 << 16) +#define CCM_CSCR_BCLK_OFFSET 10 +#define CCM_CSCR_BCLK_MASK (0xf << 10) +#define CCM_CSCR_PRESC (1 << 15) + +#define CCM_PCDR_PCLK3_OFFSET 16 +#define CCM_PCDR_PCLK3_MASK (0x7f << 16) +#define CCM_PCDR_PCLK2_OFFSET 4 +#define CCM_PCDR_PCLK2_MASK (0xf << 4) +#define CCM_PCDR_PCLK1_OFFSET 0 +#define CCM_PCDR_PCLK1_MASK 0xf + +#define IO_ADDR_SCM(off) (MX1_IO_ADDRESS(MX1_SCM_BASE_ADDR + (off))) + +/* SCM register addresses */ +#define SCM_GCCR IO_ADDR_SCM(0xc) + +#define SCM_GCCR_DMA_CLK_EN_OFFSET 3 +#define SCM_GCCR_CSI_CLK_EN_OFFSET 2 +#define SCM_GCCR_MMA_CLK_EN_OFFSET 1 +#define SCM_GCCR_USBD_CLK_EN_OFFSET 0 + +static int _clk_enable(struct clk *clk) +{ + unsigned int reg; + + reg = __raw_readl(clk->enable_reg); + reg |= 1 << clk->enable_shift; + __raw_writel(reg, clk->enable_reg); + + return 0; +} + +static void _clk_disable(struct clk *clk) +{ + unsigned int reg; + + reg = __raw_readl(clk->enable_reg); + reg &= ~(1 << clk->enable_shift); + __raw_writel(reg, clk->enable_reg); +} + +static int _clk_can_use_parent(const struct clk *clk_arr[], unsigned int size, + struct clk *parent) +{ + int i; + + for (i = 0; i < size; i++) + if (parent == clk_arr[i]) + return i; + + return -EINVAL; +} + +static unsigned long +_clk_simple_round_rate(struct clk *clk, unsigned long rate, unsigned int limit) +{ + int div; + unsigned long parent_rate; + + parent_rate = clk_get_rate(clk->parent); + + div = parent_rate / rate; + if (parent_rate % rate) + div++; + + if (div > limit) + div = limit; + + return parent_rate / div; +} + +static unsigned long _clk_parent_round_rate(struct clk *clk, unsigned long rate) +{ + return clk->parent->round_rate(clk->parent, rate); +} + +static int _clk_parent_set_rate(struct clk *clk, unsigned long rate) +{ + return clk->parent->set_rate(clk->parent, rate); +} + +static unsigned long clk16m_get_rate(struct clk *clk) +{ + return 16000000; +} + +static struct clk clk16m = { + .get_rate = clk16m_get_rate, + .enable = _clk_enable, + .enable_reg = CCM_CSCR, + .enable_shift = CCM_CSCR_OSC_EN_SHIFT, + .disable = _clk_disable, +}; + +/* in Hz */ +static unsigned long clk32_rate; + +static unsigned long clk32_get_rate(struct clk *clk) +{ + return clk32_rate; +} + +static struct clk clk32 = { + .get_rate = clk32_get_rate, +}; + +static unsigned long clk32_premult_get_rate(struct clk *clk) +{ + return clk_get_rate(clk->parent) * 512; +} + +static struct clk clk32_premult = { + .parent = &clk32, + .get_rate = clk32_premult_get_rate, +}; + +static const struct clk *prem_clk_clocks[] = { + &clk32_premult, + &clk16m, +}; + +static int prem_clk_set_parent(struct clk *clk, struct clk *parent) +{ + int i; + unsigned int reg = __raw_readl(CCM_CSCR); + + i = _clk_can_use_parent(prem_clk_clocks, ARRAY_SIZE(prem_clk_clocks), + parent); + + switch (i) { + case 0: + reg &= ~CCM_CSCR_SYSTEM_SEL; + break; + case 1: + reg |= CCM_CSCR_SYSTEM_SEL; + break; + default: + return i; + } + + __raw_writel(reg, CCM_CSCR); + + return 0; +} + +static struct clk prem_clk = { + .set_parent = prem_clk_set_parent, +}; + +static unsigned long system_clk_get_rate(struct clk *clk) +{ + return mxc_decode_pll(__raw_readl(CCM_SPCTL0), + clk_get_rate(clk->parent)); +} + +static struct clk system_clk = { + .parent = &prem_clk, + .get_rate = system_clk_get_rate, +}; + +static unsigned long mcu_clk_get_rate(struct clk *clk) +{ + return mxc_decode_pll(__raw_readl(CCM_MPCTL0), + clk_get_rate(clk->parent)); +} + +static struct clk mcu_clk = { + .parent = &clk32_premult, + .get_rate = mcu_clk_get_rate, +}; + +static unsigned long fclk_get_rate(struct clk *clk) +{ + unsigned long fclk = clk_get_rate(clk->parent); + + if (__raw_readl(CCM_CSCR) & CCM_CSCR_PRESC) + fclk /= 2; + + return fclk; +} + +static struct clk fclk = { + .parent = &mcu_clk, + .get_rate = fclk_get_rate, +}; + +/* + * get hclk ( SDRAM, CSI, Memory Stick, I2C, DMA ) + */ +static unsigned long hclk_get_rate(struct clk *clk) +{ + return clk_get_rate(clk->parent) / (((__raw_readl(CCM_CSCR) & + CCM_CSCR_BCLK_MASK) >> CCM_CSCR_BCLK_OFFSET) + 1); +} + +static unsigned long hclk_round_rate(struct clk *clk, unsigned long rate) +{ + return _clk_simple_round_rate(clk, rate, 16); +} + +static int hclk_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned int div; + unsigned int reg; + unsigned long parent_rate; + + parent_rate = clk_get_rate(clk->parent); + + div = parent_rate / rate; + + if (div > 16 || div < 1 || ((parent_rate / div) != rate)) + return -EINVAL; + + div--; + + reg = __raw_readl(CCM_CSCR); + reg &= ~CCM_CSCR_BCLK_MASK; + reg |= div << CCM_CSCR_BCLK_OFFSET; + __raw_writel(reg, CCM_CSCR); + + return 0; +} + +static struct clk hclk = { + .parent = &system_clk, + .get_rate = hclk_get_rate, + .round_rate = hclk_round_rate, + .set_rate = hclk_set_rate, +}; + +static unsigned long clk48m_get_rate(struct clk *clk) +{ + return clk_get_rate(clk->parent) / (((__raw_readl(CCM_CSCR) & + CCM_CSCR_USB_MASK) >> CCM_CSCR_USB_OFFSET) + 1); +} + +static unsigned long clk48m_round_rate(struct clk *clk, unsigned long rate) +{ + return _clk_simple_round_rate(clk, rate, 8); +} + +static int clk48m_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned int div; + unsigned int reg; + unsigned long parent_rate; + + parent_rate = clk_get_rate(clk->parent); + + div = parent_rate / rate; + + if (div > 8 || div < 1 || ((parent_rate / div) != rate)) + return -EINVAL; + + div--; + + reg = __raw_readl(CCM_CSCR); + reg &= ~CCM_CSCR_USB_MASK; + reg |= div << CCM_CSCR_USB_OFFSET; + __raw_writel(reg, CCM_CSCR); + + return 0; +} + +static struct clk clk48m = { + .parent = &system_clk, + .get_rate = clk48m_get_rate, + .round_rate = clk48m_round_rate, + .set_rate = clk48m_set_rate, +}; + +/* + * get peripheral clock 1 ( UART[12], Timer[12], PWM ) + */ +static unsigned long perclk1_get_rate(struct clk *clk) +{ + return clk_get_rate(clk->parent) / (((__raw_readl(CCM_PCDR) & + CCM_PCDR_PCLK1_MASK) >> CCM_PCDR_PCLK1_OFFSET) + 1); +} + +static unsigned long perclk1_round_rate(struct clk *clk, unsigned long rate) +{ + return _clk_simple_round_rate(clk, rate, 16); +} + +static int perclk1_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned int div; + unsigned int reg; + unsigned long parent_rate; + + parent_rate = clk_get_rate(clk->parent); + + div = parent_rate / rate; + + if (div > 16 || div < 1 || ((parent_rate / div) != rate)) + return -EINVAL; + + div--; + + reg = __raw_readl(CCM_PCDR); + reg &= ~CCM_PCDR_PCLK1_MASK; + reg |= div << CCM_PCDR_PCLK1_OFFSET; + __raw_writel(reg, CCM_PCDR); + + return 0; +} + +/* + * get peripheral clock 2 ( LCD, SD, SPI[12] ) + */ +static unsigned long perclk2_get_rate(struct clk *clk) +{ + return clk_get_rate(clk->parent) / (((__raw_readl(CCM_PCDR) & + CCM_PCDR_PCLK2_MASK) >> CCM_PCDR_PCLK2_OFFSET) + 1); +} + +static unsigned long perclk2_round_rate(struct clk *clk, unsigned long rate) +{ + return _clk_simple_round_rate(clk, rate, 16); +} + +static int perclk2_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned int div; + unsigned int reg; + unsigned long parent_rate; + + parent_rate = clk_get_rate(clk->parent); + + div = parent_rate / rate; + + if (div > 16 || div < 1 || ((parent_rate / div) != rate)) + return -EINVAL; + + div--; + + reg = __raw_readl(CCM_PCDR); + reg &= ~CCM_PCDR_PCLK2_MASK; + reg |= div << CCM_PCDR_PCLK2_OFFSET; + __raw_writel(reg, CCM_PCDR); + + return 0; +} + +/* + * get peripheral clock 3 ( SSI ) + */ +static unsigned long perclk3_get_rate(struct clk *clk) +{ + return clk_get_rate(clk->parent) / (((__raw_readl(CCM_PCDR) & + CCM_PCDR_PCLK3_MASK) >> CCM_PCDR_PCLK3_OFFSET) + 1); +} + +static unsigned long perclk3_round_rate(struct clk *clk, unsigned long rate) +{ + return _clk_simple_round_rate(clk, rate, 128); +} + +static int perclk3_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned int div; + unsigned int reg; + unsigned long parent_rate; + + parent_rate = clk_get_rate(clk->parent); + + div = parent_rate / rate; + + if (div > 128 || div < 1 || ((parent_rate / div) != rate)) + return -EINVAL; + + div--; + + reg = __raw_readl(CCM_PCDR); + reg &= ~CCM_PCDR_PCLK3_MASK; + reg |= div << CCM_PCDR_PCLK3_OFFSET; + __raw_writel(reg, CCM_PCDR); + + return 0; +} + +static struct clk perclk[] = { + { + .id = 0, + .parent = &system_clk, + .get_rate = perclk1_get_rate, + .round_rate = perclk1_round_rate, + .set_rate = perclk1_set_rate, + }, { + .id = 1, + .parent = &system_clk, + .get_rate = perclk2_get_rate, + .round_rate = perclk2_round_rate, + .set_rate = perclk2_set_rate, + }, { + .id = 2, + .parent = &system_clk, + .get_rate = perclk3_get_rate, + .round_rate = perclk3_round_rate, + .set_rate = perclk3_set_rate, + } +}; + +static const struct clk *clko_clocks[] = { + &perclk[0], + &hclk, + &clk48m, + &clk16m, + &prem_clk, + &fclk, +}; + +static int clko_set_parent(struct clk *clk, struct clk *parent) +{ + int i; + unsigned int reg; + + i = _clk_can_use_parent(clko_clocks, ARRAY_SIZE(clko_clocks), parent); + if (i < 0) + return i; + + reg = __raw_readl(CCM_CSCR) & ~CCM_CSCR_CLKO_MASK; + reg |= i << CCM_CSCR_CLKO_OFFSET; + __raw_writel(reg, CCM_CSCR); + + if (clko_clocks[i]->set_rate && clko_clocks[i]->round_rate) { + clk->set_rate = _clk_parent_set_rate; + clk->round_rate = _clk_parent_round_rate; + } else { + clk->set_rate = NULL; + clk->round_rate = NULL; + } + + return 0; +} + +static struct clk clko_clk = { + .set_parent = clko_set_parent, +}; + +static struct clk dma_clk = { + .parent = &hclk, + .round_rate = _clk_parent_round_rate, + .set_rate = _clk_parent_set_rate, + .enable = _clk_enable, + .enable_reg = SCM_GCCR, + .enable_shift = SCM_GCCR_DMA_CLK_EN_OFFSET, + .disable = _clk_disable, +}; + +static struct clk csi_clk = { + .parent = &hclk, + .round_rate = _clk_parent_round_rate, + .set_rate = _clk_parent_set_rate, + .enable = _clk_enable, + .enable_reg = SCM_GCCR, + .enable_shift = SCM_GCCR_CSI_CLK_EN_OFFSET, + .disable = _clk_disable, +}; + +static struct clk mma_clk = { + .parent = &hclk, + .round_rate = _clk_parent_round_rate, + .set_rate = _clk_parent_set_rate, + .enable = _clk_enable, + .enable_reg = SCM_GCCR, + .enable_shift = SCM_GCCR_MMA_CLK_EN_OFFSET, + .disable = _clk_disable, +}; + +static struct clk usbd_clk = { + .parent = &clk48m, + .round_rate = _clk_parent_round_rate, + .set_rate = _clk_parent_set_rate, + .enable = _clk_enable, + .enable_reg = SCM_GCCR, + .enable_shift = SCM_GCCR_USBD_CLK_EN_OFFSET, + .disable = _clk_disable, +}; + +static struct clk gpt_clk = { + .parent = &perclk[0], + .round_rate = _clk_parent_round_rate, + .set_rate = _clk_parent_set_rate, +}; + +static struct clk uart_clk = { + .parent = &perclk[0], + .round_rate = _clk_parent_round_rate, + .set_rate = _clk_parent_set_rate, +}; + +static struct clk i2c_clk = { + .parent = &hclk, + .round_rate = _clk_parent_round_rate, + .set_rate = _clk_parent_set_rate, +}; + +static struct clk spi_clk = { + .parent = &perclk[1], + .round_rate = _clk_parent_round_rate, + .set_rate = _clk_parent_set_rate, +}; + +static struct clk sdhc_clk = { + .parent = &perclk[1], + .round_rate = _clk_parent_round_rate, + .set_rate = _clk_parent_set_rate, +}; + +static struct clk lcdc_clk = { + .parent = &perclk[1], + .round_rate = _clk_parent_round_rate, + .set_rate = _clk_parent_set_rate, +}; + +static struct clk mshc_clk = { + .parent = &hclk, + .round_rate = _clk_parent_round_rate, + .set_rate = _clk_parent_set_rate, +}; + +static struct clk ssi_clk = { + .parent = &perclk[2], + .round_rate = _clk_parent_round_rate, + .set_rate = _clk_parent_set_rate, +}; + +static struct clk rtc_clk = { + .parent = &clk32, +}; + +#define _REGISTER_CLOCK(d, n, c) \ + { \ + .dev_id = d, \ + .con_id = n, \ + .clk = &c, \ + }, +static struct clk_lookup lookups[] __initdata = { + _REGISTER_CLOCK(NULL, "dma", dma_clk) + _REGISTER_CLOCK("mx1-camera.0", NULL, csi_clk) + _REGISTER_CLOCK(NULL, "mma", mma_clk) + _REGISTER_CLOCK("imx_udc.0", NULL, usbd_clk) + _REGISTER_CLOCK(NULL, "gpt", gpt_clk) + _REGISTER_CLOCK("imx-uart.0", NULL, uart_clk) + _REGISTER_CLOCK("imx-uart.1", NULL, uart_clk) + _REGISTER_CLOCK("imx-uart.2", NULL, uart_clk) + _REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk) + _REGISTER_CLOCK("spi_imx.0", NULL, spi_clk) + _REGISTER_CLOCK("imx-mmc.0", NULL, sdhc_clk) + _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk) + _REGISTER_CLOCK(NULL, "mshc", mshc_clk) + _REGISTER_CLOCK(NULL, "ssi", ssi_clk) + _REGISTER_CLOCK("mxc_rtc.0", NULL, rtc_clk) +}; + +int __init mx1_clocks_init(unsigned long fref) +{ + unsigned int reg; + + /* disable clocks we are able to */ + __raw_writel(0, SCM_GCCR); + + clk32_rate = fref; + reg = __raw_readl(CCM_CSCR); + + /* detect clock reference for system PLL */ + if (reg & CCM_CSCR_SYSTEM_SEL) { + prem_clk.parent = &clk16m; + } else { + /* ensure that oscillator is disabled */ + reg &= ~(1 << CCM_CSCR_OSC_EN_SHIFT); + __raw_writel(reg, CCM_CSCR); + prem_clk.parent = &clk32_premult; + } + + /* detect reference for CLKO */ + reg = (reg & CCM_CSCR_CLKO_MASK) >> CCM_CSCR_CLKO_OFFSET; + clko_clk.parent = (struct clk *)clko_clocks[reg]; + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + clk_enable(&hclk); + clk_enable(&fclk); + + mxc_timer_init(&gpt_clk, MX1_IO_ADDRESS(MX1_TIM1_BASE_ADDR), + MX1_TIM1_INT); + + return 0; +} diff --git a/arch/arm/mach-imx/devices.c b/arch/arm/mach-imx/devices.c index b37280561a3f..ceae6413d4c6 100644 --- a/arch/arm/mach-imx/devices.c +++ b/arch/arm/mach-imx/devices.c @@ -11,6 +11,9 @@ * * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. * Copyright 2008 Juergen Beisert, kernel@pengutronix.de + * Copyright 2008 Sascha Hauer, kernel@pengutronix.de + * Copyright (c) 2008 Paulius Zaleckas + * Copyright (c) 2008 Darius Augulis * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -41,6 +44,199 @@ #include "devices.h" +#if defined(CONFIG_ARCH_MX1) +static struct resource imx1_camera_resources[] = { + { + .start = 0x00224000, + .end = 0x00224010, + .flags = IORESOURCE_MEM, + }, { + .start = MX1_CSI_INT, + .end = MX1_CSI_INT, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 imx1_camera_dmamask = DMA_BIT_MASK(32); + +struct platform_device imx1_camera_device = { + .name = "mx1-camera", + .id = 0, /* This is used to put cameras on this interface */ + .dev = { + .dma_mask = &imx1_camera_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = imx1_camera_resources, + .num_resources = ARRAY_SIZE(imx1_camera_resources), +}; + +static struct resource imx_i2c_resources[] = { + { + .start = 0x00217000, + .end = 0x00217010, + .flags = IORESOURCE_MEM, + }, { + .start = MX1_I2C_INT, + .end = MX1_I2C_INT, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device imx_i2c_device0 = { + .name = "imx-i2c", + .id = 0, + .resource = imx_i2c_resources, + .num_resources = ARRAY_SIZE(imx_i2c_resources), +}; + +#define DEFINE_IMX1_UART_DEVICE(n, baseaddr, irqrx, irqtx, irqrts) \ + static struct resource imx1_uart_resources ## n[] = { \ + { \ + .start = baseaddr, \ + .end = baseaddr + 0xd0, \ + .flags = IORESOURCE_MEM, \ + }, { \ + .start = irqrx, \ + .end = irqrx, \ + .flags = IORESOURCE_IRQ, \ + }, { \ + .start = irqtx, \ + .end = irqtx, \ + .flags = IORESOURCE_IRQ, \ + }, { \ + .start = irqrts, \ + .end = irqrts, \ + .flags = IORESOURCE_IRQ, \ + }, \ + }; \ + \ + struct platform_device imx1_uart_device ## n = { \ + .name = "imx-uart", \ + .id = n, \ + .num_resources = ARRAY_SIZE(imx1_uart_resources ## n), \ + .resource = imx1_uart_resources ## n, \ + } + +DEFINE_IMX1_UART_DEVICE(0, MX1_UART1_BASE_ADDR, MX1_UART1_MINT_RX, MX1_UART1_MINT_TX, MX1_UART1_MINT_RTS); +DEFINE_IMX1_UART_DEVICE(1, MX1_UART2_BASE_ADDR, MX1_UART2_MINT_RX, MX1_UART2_MINT_TX, MX1_UART2_MINT_RTS); + +static struct resource imx_rtc_resources[] = { + { + .start = 0x00204000, + .end = 0x00204024, + .flags = IORESOURCE_MEM, + }, { + .start = MX1_RTC_INT, + .end = MX1_RTC_INT, + .flags = IORESOURCE_IRQ, + }, { + .start = MX1_RTC_SAMINT, + .end = MX1_RTC_SAMINT, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device imx_rtc_device = { + .name = "rtc-imx", + .id = 0, + .resource = imx_rtc_resources, + .num_resources = ARRAY_SIZE(imx_rtc_resources), +}; + +static struct resource imx_wdt_resources[] = { + { + .start = 0x00201000, + .end = 0x00201008, + .flags = IORESOURCE_MEM, + }, { + .start = MX1_WDT_INT, + .end = MX1_WDT_INT, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device imx_wdt_device = { + .name = "imx-wdt", + .id = 0, + .resource = imx_wdt_resources, + .num_resources = ARRAY_SIZE(imx_wdt_resources), +}; + +static struct resource imx_usb_resources[] = { + { + .start = 0x00212000, + .end = 0x00212148, + .flags = IORESOURCE_MEM, + }, { + .start = MX1_USBD_INT0, + .end = MX1_USBD_INT0, + .flags = IORESOURCE_IRQ, + }, { + .start = MX1_USBD_INT1, + .end = MX1_USBD_INT1, + .flags = IORESOURCE_IRQ, + }, { + .start = MX1_USBD_INT2, + .end = MX1_USBD_INT2, + .flags = IORESOURCE_IRQ, + }, { + .start = MX1_USBD_INT3, + .end = MX1_USBD_INT3, + .flags = IORESOURCE_IRQ, + }, { + .start = MX1_USBD_INT4, + .end = MX1_USBD_INT4, + .flags = IORESOURCE_IRQ, + }, { + .start = MX1_USBD_INT5, + .end = MX1_USBD_INT5, + .flags = IORESOURCE_IRQ, + }, { + .start = MX1_USBD_INT6, + .end = MX1_USBD_INT6, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device imx_usb_device = { + .name = "imx_udc", + .id = 0, + .num_resources = ARRAY_SIZE(imx_usb_resources), + .resource = imx_usb_resources, +}; + +/* GPIO port description */ +static struct mxc_gpio_port imx_gpio_ports[] = { + { + .chip.label = "gpio-0", + .base = (void __iomem *)MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR), + .irq = MX1_GPIO_INT_PORTA, + .virtual_irq_start = MXC_GPIO_IRQ_START, + }, { + .chip.label = "gpio-1", + .base = (void __iomem *)MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR + 0x100), + .irq = MX1_GPIO_INT_PORTB, + .virtual_irq_start = MXC_GPIO_IRQ_START + 32, + }, { + .chip.label = "gpio-2", + .base = (void __iomem *)MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR + 0x200), + .irq = MX1_GPIO_INT_PORTC, + .virtual_irq_start = MXC_GPIO_IRQ_START + 64, + }, { + .chip.label = "gpio-3", + .base = (void __iomem *)MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR + 0x300), + .irq = MX1_GPIO_INT_PORTD, + .virtual_irq_start = MXC_GPIO_IRQ_START + 96, + } +}; + +int __init imx1_register_gpios(void) +{ + return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports)); +} +#endif + +#if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27) /* * SPI master controller * @@ -526,3 +722,4 @@ struct platform_device mx21_usbhc_device = { .resource = mx21_usbhc_resources, }; #endif +#endif diff --git a/arch/arm/mach-imx/devices.h b/arch/arm/mach-imx/devices.h index 65c4a435b956..5c1a0dcb7511 100644 --- a/arch/arm/mach-imx/devices.h +++ b/arch/arm/mach-imx/devices.h @@ -1,3 +1,14 @@ +#ifdef CONFIG_ARCH_MX1 +extern struct platform_device imx1_camera_device; +extern struct platform_device imx_i2c_device0; +extern struct platform_device imx1_uart_device0; +extern struct platform_device imx1_uart_device1; +extern struct platform_device imx_rtc_device; +extern struct platform_device imx_wdt_device; +extern struct platform_device imx_usb_device; +#endif + +#if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27) extern struct platform_device mxc_gpt1; extern struct platform_device mxc_gpt2; #ifdef CONFIG_MACH_MX27 @@ -42,3 +53,4 @@ extern struct platform_device mxc_spi_device2; extern struct platform_device mx21_usbhc_device; extern struct platform_device imx_ssi_device0; extern struct platform_device imx_ssi_device1; +#endif diff --git a/arch/arm/mach-imx/mach-mx1ads.c b/arch/arm/mach-imx/mach-mx1ads.c new file mode 100644 index 000000000000..5d7c85f8aaf5 --- /dev/null +++ b/arch/arm/mach-imx/mach-mx1ads.c @@ -0,0 +1,165 @@ +/* + * arch/arm/mach-imx/mach-mx1ads.c + * + * Initially based on: + * linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c + * Copyright (c) 2004 Sascha Hauer + * + * 2004 (c) MontaVista Software, Inc. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "devices.h" + +static int mx1ads_pins[] = { + /* UART1 */ + PC9_PF_UART1_CTS, + PC10_PF_UART1_RTS, + PC11_PF_UART1_TXD, + PC12_PF_UART1_RXD, + /* UART2 */ + PB28_PF_UART2_CTS, + PB29_PF_UART2_RTS, + PB30_PF_UART2_TXD, + PB31_PF_UART2_RXD, + /* I2C */ + PA15_PF_I2C_SDA, + PA16_PF_I2C_SCL, + /* SPI */ + PC13_PF_SPI1_SPI_RDY, + PC14_PF_SPI1_SCLK, + PC15_PF_SPI1_SS, + PC16_PF_SPI1_MISO, + PC17_PF_SPI1_MOSI, +}; + +/* + * UARTs platform data + */ + +static struct imxuart_platform_data uart_pdata[] = { + { + .flags = IMXUART_HAVE_RTSCTS, + }, { + .flags = IMXUART_HAVE_RTSCTS, + }, +}; + +/* + * Physmap flash + */ + +static struct physmap_flash_data mx1ads_flash_data = { + .width = 4, /* bankwidth in bytes */ +}; + +static struct resource flash_resource = { + .start = MX1_CS0_PHYS, + .end = MX1_CS0_PHYS + SZ_32M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device flash_device = { + .name = "physmap-flash", + .id = 0, + .resource = &flash_resource, + .num_resources = 1, +}; + +/* + * I2C + */ +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, +}; + +static struct i2c_board_info mx1ads_i2c_devices[] = { + { + I2C_BOARD_INFO("pcf8575", 0x22), + .platform_data = &pcf857x_data[0], + }, { + I2C_BOARD_INFO("pcf8575", 0x24), + .platform_data = &pcf857x_data[1], + }, +}; + +/* + * Board init + */ +static void __init mx1ads_init(void) +{ + mxc_gpio_setup_multiple_pins(mx1ads_pins, + ARRAY_SIZE(mx1ads_pins), "mx1ads"); + + /* UART */ + mxc_register_device(&imx1_uart_device0, &uart_pdata[0]); + mxc_register_device(&imx1_uart_device1, &uart_pdata[1]); + + /* Physmap flash */ + mxc_register_device(&flash_device, &mx1ads_flash_data); + + /* I2C */ + i2c_register_board_info(0, mx1ads_i2c_devices, + ARRAY_SIZE(mx1ads_i2c_devices)); + + mxc_register_device(&imx_i2c_device0, &mx1ads_i2c_data); +} + +static void __init mx1ads_timer_init(void) +{ + mx1_clocks_init(32000); +} + +struct sys_timer mx1ads_timer = { + .init = mx1ads_timer_init, +}; + +MACHINE_START(MX1ADS, "Freescale MX1ADS") + /* Maintainer: Sascha Hauer, Pengutronix */ + .phys_io = MX1_IO_BASE_ADDR, + .io_pg_offst = (MX1_IO_BASE_ADDR_VIRT >> 18) & 0xfffc, + .boot_params = MX1_PHYS_OFFSET + 0x100, + .map_io = mx1_map_io, + .init_irq = mx1_init_irq, + .timer = &mx1ads_timer, + .init_machine = mx1ads_init, +MACHINE_END + +MACHINE_START(MXLADS, "Freescale MXLADS") + .phys_io = MX1_IO_BASE_ADDR, + .io_pg_offst = (MX1_IO_BASE_ADDR_VIRT >> 18) & 0xfffc, + .boot_params = MX1_PHYS_OFFSET + 0x100, + .map_io = mx1_map_io, + .init_irq = mx1_init_irq, + .timer = &mx1ads_timer, + .init_machine = mx1ads_init, +MACHINE_END diff --git a/arch/arm/mach-imx/mach-scb9328.c b/arch/arm/mach-imx/mach-scb9328.c new file mode 100644 index 000000000000..482b24df4624 --- /dev/null +++ b/arch/arm/mach-imx/mach-scb9328.c @@ -0,0 +1,157 @@ +/* + * linux/arch/arm/mach-mx1/mach-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 = MX1_CS0_PHYS, + .end = MX1_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[] = { + { + .name = "address area", + .start = MX1_CS5_PHYS, + .end = MX1_CS5_PHYS + 1, + .flags = IORESOURCE_MEM, /* address access */ + }, { + .name = "data area", + .start = MX1_CS5_PHYS + 4, + .end = MX1_CS5_PHYS + 5, + .flags = IORESOURCE_MEM, /* data access */ + }, { + .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 void uart1_mxc_exit(struct platform_device *pdev) +{ + mxc_gpio_release_multiple_pins(mxc_uart1_pins, + ARRAY_SIZE(mxc_uart1_pins)); +} + +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(&imx1_uart_device0, &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 = mx1_map_io, + .init_irq = mx1_init_irq, + .timer = &scb9328_timer, + .init_machine = scb9328_init, +MACHINE_END diff --git a/arch/arm/mach-imx/mm-imx1.c b/arch/arm/mach-imx/mm-imx1.c new file mode 100644 index 000000000000..396d0a5f71b1 --- /dev/null +++ b/arch/arm/mach-imx/mm-imx1.c @@ -0,0 +1,55 @@ +/* + * author: Sascha Hauer + * Created: april 20th, 2004 + * Copyright: Synertronixx GmbH + * + * Common code for i.MX1 machines + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +#include +#include +#include + +#include + +#include +#include + +static struct map_desc imx_io_desc[] __initdata = { + { + .virtual = MX1_IO_BASE_ADDR_VIRT, + .pfn = __phys_to_pfn(MX1_IO_BASE_ADDR), + .length = MX1_IO_SIZE, + .type = MT_DEVICE + } +}; + +void __init mx1_map_io(void) +{ + mxc_set_cpu_type(MXC_CPU_MX1); + mxc_arch_reset_init(MX1_IO_ADDRESS(MX1_WDT_BASE_ADDR)); + + iotable_init(imx_io_desc, ARRAY_SIZE(imx_io_desc)); +} + +int imx1_register_gpios(void); + +void __init mx1_init_irq(void) +{ + imx1_register_gpios(); + mxc_init_irq(MX1_IO_ADDRESS(MX1_AVIC_BASE_ADDR)); +} diff --git a/arch/arm/mach-imx/mx1-camera-fiq-ksym.c b/arch/arm/mach-imx/mx1-camera-fiq-ksym.c new file mode 100644 index 000000000000..b09ee12a4ff0 --- /dev/null +++ b/arch/arm/mach-imx/mx1-camera-fiq-ksym.c @@ -0,0 +1,18 @@ +/* + * Exported ksyms of ARCH_MX1 + * + * Copyright (C) 2008, Darius Augulis + * + * 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 + +/* IMX camera FIQ handler */ +EXPORT_SYMBOL(mx1_camera_sof_fiq_start); +EXPORT_SYMBOL(mx1_camera_sof_fiq_end); diff --git a/arch/arm/mach-imx/mx1-camera-fiq.S b/arch/arm/mach-imx/mx1-camera-fiq.S new file mode 100644 index 000000000000..9c69aa65bf17 --- /dev/null +++ b/arch/arm/mach-imx/mx1-camera-fiq.S @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2008 Paulius Zaleckas + * + * Based on linux/arch/arm/lib/floppydma.S + * Copyright (C) 1995, 1996 Russell King + * + * 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 + + .text + .global mx1_camera_sof_fiq_end + .global mx1_camera_sof_fiq_start +mx1_camera_sof_fiq_start: + @ enable dma + ldr r12, [r9] + orr r12, r12, #0x00000001 + str r12, [r9] + @ unmask DMA interrupt + ldr r12, [r8] + bic r12, r12, r13 + str r12, [r8] + @ disable SOF interrupt + ldr r12, [r10] + bic r12, r12, #0x00010000 + str r12, [r10] + @ clear SOF flag + mov r12, #0x00010000 + str r12, [r11] + @ return from FIQ + subs pc, lr, #4 +mx1_camera_sof_fiq_end: -- cgit v1.2.2