diff options
-rw-r--r-- | arch/m68k/coldfire/device.c | 159 | ||||
-rw-r--r-- | arch/m68k/coldfire/m5206.c | 12 | ||||
-rw-r--r-- | arch/m68k/coldfire/m520x.c | 24 | ||||
-rw-r--r-- | arch/m68k/coldfire/m523x.c | 18 | ||||
-rw-r--r-- | arch/m68k/coldfire/m5249.c | 25 | ||||
-rw-r--r-- | arch/m68k/coldfire/m525x.c | 10 | ||||
-rw-r--r-- | arch/m68k/coldfire/m527x.c | 28 | ||||
-rw-r--r-- | arch/m68k/coldfire/m528x.c | 18 | ||||
-rw-r--r-- | arch/m68k/coldfire/m5307.c | 14 | ||||
-rw-r--r-- | arch/m68k/coldfire/m53xx.c | 20 | ||||
-rw-r--r-- | arch/m68k/coldfire/m5407.c | 14 | ||||
-rw-r--r-- | arch/m68k/coldfire/m5441x.c | 12 | ||||
-rw-r--r-- | arch/m68k/coldfire/m54xx.c | 17 | ||||
-rw-r--r-- | arch/m68k/include/asm/m5206sim.h | 8 | ||||
-rw-r--r-- | arch/m68k/include/asm/m520xsim.h | 8 | ||||
-rw-r--r-- | arch/m68k/include/asm/m523xsim.h | 10 | ||||
-rw-r--r-- | arch/m68k/include/asm/m527xsim.h | 8 | ||||
-rw-r--r-- | arch/m68k/include/asm/m528xsim.h | 9 | ||||
-rw-r--r-- | arch/m68k/include/asm/m5307sim.h | 9 | ||||
-rw-r--r-- | arch/m68k/include/asm/m53xxsim.h | 8 | ||||
-rw-r--r-- | arch/m68k/include/asm/m5407sim.h | 8 | ||||
-rw-r--r-- | arch/m68k/include/asm/m54xxsim.h | 11 |
22 files changed, 432 insertions, 18 deletions
diff --git a/arch/m68k/coldfire/device.c b/arch/m68k/coldfire/device.c index a0fc0c192427..84938fdbbada 100644 --- a/arch/m68k/coldfire/device.c +++ b/arch/m68k/coldfire/device.c @@ -327,6 +327,147 @@ static struct platform_device mcf_qspi = { }; #endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */ +#if IS_ENABLED(CONFIG_I2C_IMX) +static struct resource mcf_i2c0_resources[] = { + { + .start = MCFI2C_BASE0, + .end = MCFI2C_BASE0 + MCFI2C_SIZE0 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCF_IRQ_I2C0, + .end = MCF_IRQ_I2C0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mcf_i2c0 = { + .name = "imx1-i2c", + .id = 0, + .num_resources = ARRAY_SIZE(mcf_i2c0_resources), + .resource = mcf_i2c0_resources, +}; +#ifdef MCFI2C_BASE1 + +static struct resource mcf_i2c1_resources[] = { + { + .start = MCFI2C_BASE1, + .end = MCFI2C_BASE1 + MCFI2C_SIZE1 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCF_IRQ_I2C1, + .end = MCF_IRQ_I2C1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mcf_i2c1 = { + .name = "imx1-i2c", + .id = 1, + .num_resources = ARRAY_SIZE(mcf_i2c1_resources), + .resource = mcf_i2c1_resources, +}; + +#endif /* MCFI2C_BASE1 */ + +#ifdef MCFI2C_BASE2 + +static struct resource mcf_i2c2_resources[] = { + { + .start = MCFI2C_BASE2, + .end = MCFI2C_BASE2 + MCFI2C_SIZE2 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCF_IRQ_I2C2, + .end = MCF_IRQ_I2C2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mcf_i2c2 = { + .name = "imx1-i2c", + .id = 2, + .num_resources = ARRAY_SIZE(mcf_i2c2_resources), + .resource = mcf_i2c2_resources, +}; + +#endif /* MCFI2C_BASE2 */ + +#ifdef MCFI2C_BASE3 + +static struct resource mcf_i2c3_resources[] = { + { + .start = MCFI2C_BASE3, + .end = MCFI2C_BASE3 + MCFI2C_SIZE3 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCF_IRQ_I2C3, + .end = MCF_IRQ_I2C3, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mcf_i2c3 = { + .name = "imx1-i2c", + .id = 3, + .num_resources = ARRAY_SIZE(mcf_i2c3_resources), + .resource = mcf_i2c3_resources, +}; + +#endif /* MCFI2C_BASE3 */ + +#ifdef MCFI2C_BASE4 + +static struct resource mcf_i2c4_resources[] = { + { + .start = MCFI2C_BASE4, + .end = MCFI2C_BASE4 + MCFI2C_SIZE4 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCF_IRQ_I2C4, + .end = MCF_IRQ_I2C4, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mcf_i2c4 = { + .name = "imx1-i2c", + .id = 4, + .num_resources = ARRAY_SIZE(mcf_i2c4_resources), + .resource = mcf_i2c4_resources, +}; + +#endif /* MCFI2C_BASE4 */ + +#ifdef MCFI2C_BASE5 + +static struct resource mcf_i2c5_resources[] = { + { + .start = MCFI2C_BASE5, + .end = MCFI2C_BASE5 + MCFI2C_SIZE5 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCF_IRQ_I2C5, + .end = MCF_IRQ_I2C5, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mcf_i2c5 = { + .name = "imx1-i2c", + .id = 5, + .num_resources = ARRAY_SIZE(mcf_i2c5_resources), + .resource = mcf_i2c5_resources, +}; + +#endif /* MCFI2C_BASE5 */ +#endif /* IS_ENABLED(CONFIG_I2C_IMX) */ + static struct platform_device *mcf_devices[] __initdata = { &mcf_uart, #if IS_ENABLED(CONFIG_FEC) @@ -338,6 +479,24 @@ static struct platform_device *mcf_devices[] __initdata = { #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) &mcf_qspi, #endif +#if IS_ENABLED(CONFIG_I2C_IMX) + &mcf_i2c0, +#ifdef MCFI2C_BASE1 + &mcf_i2c1, +#endif +#ifdef MCFI2C_BASE2 + &mcf_i2c2, +#endif +#ifdef MCFI2C_BASE3 + &mcf_i2c3, +#endif +#ifdef MCFI2C_BASE4 + &mcf_i2c4, +#endif +#ifdef MCFI2C_BASE5 + &mcf_i2c5, +#endif +#endif }; /* diff --git a/arch/m68k/coldfire/m5206.c b/arch/m68k/coldfire/m5206.c index 8945f5e7b39c..a3bcf0883f98 100644 --- a/arch/m68k/coldfire/m5206.c +++ b/arch/m68k/coldfire/m5206.c @@ -26,6 +26,7 @@ DEFINE_CLK(mcftmr0, "mcftmr.0", MCF_BUSCLK); DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK); DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK); DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK); +DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK); struct clk *mcf_clks[] = { &clk_pll, @@ -34,11 +35,21 @@ struct clk *mcf_clks[] = { &clk_mcftmr1, &clk_mcfuart0, &clk_mcfuart1, + &clk_mcfi2c0, NULL }; /***************************************************************************/ +static void __init m5206_i2c_init(void) +{ +#if IS_ENABLED(CONFIG_I2C_IMX) + writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0, + MCFSIM_I2CICR); + mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C); +#endif /* IS_ENABLED(CONFIG_I2C_IMX) */ +} + void __init config_BSP(char *commandp, int size) { #if defined(CONFIG_NETtel) @@ -53,6 +64,7 @@ void __init config_BSP(char *commandp, int size) mcf_mapirq2imr(25, MCFINTC_EINT1); mcf_mapirq2imr(28, MCFINTC_EINT4); mcf_mapirq2imr(31, MCFINTC_EINT7); + m5206_i2c_init(); } /***************************************************************************/ diff --git a/arch/m68k/coldfire/m520x.c b/arch/m68k/coldfire/m520x.c index 173834f251eb..5ba69217ce6c 100644 --- a/arch/m68k/coldfire/m520x.c +++ b/arch/m68k/coldfire/m520x.c @@ -28,7 +28,7 @@ DEFINE_CLK(0, "fec.0", 12, MCF_CLK); DEFINE_CLK(0, "edma", 17, MCF_CLK); DEFINE_CLK(0, "intc.0", 18, MCF_CLK); DEFINE_CLK(0, "iack.0", 21, MCF_CLK); -DEFINE_CLK(0, "mcfi2c.0", 22, MCF_CLK); +DEFINE_CLK(0, "imx1-i2c.0", 22, MCF_CLK); DEFINE_CLK(0, "mcfqspi.0", 23, MCF_CLK); DEFINE_CLK(0, "mcfuart.0", 24, MCF_BUSCLK); DEFINE_CLK(0, "mcfuart.1", 25, MCF_BUSCLK); @@ -53,7 +53,7 @@ struct clk *mcf_clks[] = { &__clk_0_17, /* edma */ &__clk_0_18, /* intc.0 */ &__clk_0_21, /* iack.0 */ - &__clk_0_22, /* mcfi2c.0 */ + &__clk_0_22, /* imx1-i2c.0 */ &__clk_0_23, /* mcfqspi.0 */ &__clk_0_24, /* mcfuart.0 */ &__clk_0_25, /* mcfuart.1 */ @@ -71,7 +71,7 @@ struct clk *mcf_clks[] = { &__clk_0_40, /* sys.0 */ &__clk_0_41, /* gpio.0 */ &__clk_0_42, /* sdram.0 */ -NULL, + NULL, }; static struct clk * const enable_clks[] __initconst = { @@ -94,7 +94,7 @@ static struct clk * const enable_clks[] __initconst = { static struct clk * const disable_clks[] __initconst = { &__clk_0_12, /* fec.0 */ &__clk_0_17, /* edma */ - &__clk_0_22, /* mcfi2c.0 */ + &__clk_0_22, /* imx1-i2c.0 */ &__clk_0_23, /* mcfqspi.0 */ &__clk_0_28, /* mcftmr.0 */ &__clk_0_29, /* mcftmr.1 */ @@ -133,6 +133,21 @@ static void __init m520x_qspi_init(void) /***************************************************************************/ +static void __init m520x_i2c_init(void) +{ +#if IS_ENABLED(CONFIG_I2C_IMX) + u8 par; + + /* setup Port FECI2C Pin Assignment Register for I2C */ + /* set PAR_SCL to SCL and PAR_SDA to SDA */ + par = readb(MCF_GPIO_PAR_FECI2C); + par |= 0x0f; + writeb(par, MCF_GPIO_PAR_FECI2C); +#endif /* IS_ENABLED(CONFIG_I2C_IMX) */ +} + +/***************************************************************************/ + static void __init m520x_uarts_init(void) { u16 par; @@ -175,6 +190,7 @@ void __init config_BSP(char *commandp, int size) m520x_uarts_init(); m520x_fec_init(); m520x_qspi_init(); + m520x_i2c_init(); } /***************************************************************************/ diff --git a/arch/m68k/coldfire/m523x.c b/arch/m68k/coldfire/m523x.c index a191a467eff2..f7a0fcc5618c 100644 --- a/arch/m68k/coldfire/m523x.c +++ b/arch/m68k/coldfire/m523x.c @@ -34,6 +34,7 @@ DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK); DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK); DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK); DEFINE_CLK(fec0, "fec.0", MCF_BUSCLK); +DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK); struct clk *mcf_clks[] = { &clk_pll, @@ -47,6 +48,7 @@ struct clk *mcf_clks[] = { &clk_mcfuart2, &clk_mcfqspi0, &clk_fec0, + &clk_mcfi2c0, NULL }; @@ -68,6 +70,21 @@ static void __init m523x_qspi_init(void) /***************************************************************************/ +static void __init m523x_i2c_init(void) +{ +#if IS_ENABLED(CONFIG_I2C_IMX) + u8 par; + + /* setup Port AS Pin Assignment Register for I2C */ + /* set PASPA0 to SCL and PASPA1 to SDA */ + par = readb(MCFGPIO_PAR_FECI2C); + par |= 0x0f; + writeb(par, MCFGPIO_PAR_FECI2C); +#endif /* IS_ENABLED(CONFIG_I2C_IMX) */ +} + +/***************************************************************************/ + static void __init m523x_fec_init(void) { /* Set multi-function pins to ethernet use */ @@ -81,6 +98,7 @@ void __init config_BSP(char *commandp, int size) mach_sched_init = hw_timer_init; m523x_fec_init(); m523x_qspi_init(); + m523x_i2c_init(); } /***************************************************************************/ diff --git a/arch/m68k/coldfire/m5249.c b/arch/m68k/coldfire/m5249.c index e48f55adc447..b16cf9b4580c 100644 --- a/arch/m68k/coldfire/m5249.c +++ b/arch/m68k/coldfire/m5249.c @@ -27,6 +27,8 @@ DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK); DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK); DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK); DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK); +DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK); +DEFINE_CLK(mcfi2c1, "imx1-i2c.1", MCF_BUSCLK); struct clk *mcf_clks[] = { &clk_pll, @@ -36,6 +38,8 @@ struct clk *mcf_clks[] = { &clk_mcfuart0, &clk_mcfuart1, &clk_mcfqspi0, + &clk_mcfi2c0, + &clk_mcfi2c1, NULL }; @@ -85,6 +89,26 @@ static void __init m5249_qspi_init(void) /***************************************************************************/ +static void __init m5249_i2c_init(void) +{ +#if IS_ENABLED(CONFIG_I2C_IMX) + u32 r; + + /* first I2C controller uses regular irq setup */ + writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0, + MCFSIM_I2CICR); + mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C); + + /* second I2C controller is completely different */ + r = readl(MCFINTC2_INTPRI_REG(MCF_IRQ_I2C1)); + r &= ~MCFINTC2_INTPRI_BITS(0xf, MCF_IRQ_I2C1); + r |= MCFINTC2_INTPRI_BITS(0x5, MCF_IRQ_I2C1); + writel(r, MCFINTC2_INTPRI_REG(MCF_IRQ_I2C1)); +#endif /* CONFIG_I2C_IMX */ +} + +/***************************************************************************/ + #ifdef CONFIG_M5249C3 static void __init m5249_smc91x_init(void) @@ -111,6 +135,7 @@ void __init config_BSP(char *commandp, int size) m5249_smc91x_init(); #endif m5249_qspi_init(); + m5249_i2c_init(); } /***************************************************************************/ diff --git a/arch/m68k/coldfire/m525x.c b/arch/m68k/coldfire/m525x.c index 3d8583e2187c..110e2cd34e62 100644 --- a/arch/m68k/coldfire/m525x.c +++ b/arch/m68k/coldfire/m525x.c @@ -27,6 +27,8 @@ DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK); DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK); DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK); DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK); +DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK); +DEFINE_CLK(mcfi2c1, "imx1-i2c.1", MCF_BUSCLK); struct clk *mcf_clks[] = { &clk_pll, @@ -36,6 +38,8 @@ struct clk *mcf_clks[] = { &clk_mcfuart0, &clk_mcfuart1, &clk_mcfqspi0, + &clk_mcfi2c0, + &clk_mcfi2c1, NULL }; @@ -59,12 +63,12 @@ static void __init m525x_qspi_init(void) static void __init m525x_i2c_init(void) { -#if IS_ENABLED(CONFIG_I2C_COLDFIRE) +#if IS_ENABLED(CONFIG_I2C_IMX) u32 r; /* first I2C controller uses regular irq setup */ writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0, - MCFSIM_I2CICR); + MCFSIM_I2CICR); mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C); /* second I2C controller is completely different */ @@ -72,7 +76,7 @@ static void __init m525x_i2c_init(void) r &= ~MCFINTC2_INTPRI_BITS(0xf, MCF_IRQ_I2C1); r |= MCFINTC2_INTPRI_BITS(0x5, MCF_IRQ_I2C1); writel(r, MCFINTC2_INTPRI_REG(MCF_IRQ_I2C1)); -#endif /* IS_ENABLED(CONFIG_I2C_COLDFIRE) */ +#endif /* IS_ENABLED(CONFIG_I2C_IMX) */ } /***************************************************************************/ diff --git a/arch/m68k/coldfire/m527x.c b/arch/m68k/coldfire/m527x.c index c0b3e28f91df..b10b436b5a31 100644 --- a/arch/m68k/coldfire/m527x.c +++ b/arch/m68k/coldfire/m527x.c @@ -36,6 +36,7 @@ DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK); DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK); DEFINE_CLK(fec0, "fec.0", MCF_BUSCLK); DEFINE_CLK(fec1, "fec.1", MCF_BUSCLK); +DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK); struct clk *mcf_clks[] = { &clk_pll, @@ -50,6 +51,7 @@ struct clk *mcf_clks[] = { &clk_mcfqspi0, &clk_fec0, &clk_fec1, + &clk_mcfi2c0, NULL }; @@ -76,6 +78,31 @@ static void __init m527x_qspi_init(void) /***************************************************************************/ +static void __init m527x_i2c_init(void) +{ +#if IS_ENABLED(CONFIG_I2C_IMX) +#if defined(CONFIG_M5271) + u8 par; + + /* setup Port FECI2C Pin Assignment Register for I2C */ + /* set PAR_SCL to SCL and PAR_SDA to SDA */ + par = readb(MCFGPIO_PAR_FECI2C); + par |= 0x0f; + writeb(par, MCFGPIO_PAR_FECI2C); +#elif defined(CONFIG_M5275) + u16 par; + + /* setup Port FECI2C Pin Assignment Register for I2C */ + /* set PAR_SCL to SCL and PAR_SDA to SDA */ + par = readw(MCFGPIO_PAR_FECI2C); + par |= 0x0f; + writew(par, MCFGPIO_PAR_FECI2C); +#endif +#endif /* IS_ENABLED(CONFIG_I2C_IMX) */ +} + +/***************************************************************************/ + static void __init m527x_uarts_init(void) { u16 sepmask; @@ -122,6 +149,7 @@ void __init config_BSP(char *commandp, int size) m527x_uarts_init(); m527x_fec_init(); m527x_qspi_init(); + m527x_i2c_init(); } /***************************************************************************/ diff --git a/arch/m68k/coldfire/m528x.c b/arch/m68k/coldfire/m528x.c index 12f9e370d8dd..ea76998d5ab9 100644 --- a/arch/m68k/coldfire/m528x.c +++ b/arch/m68k/coldfire/m528x.c @@ -36,6 +36,7 @@ DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK); DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK); DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK); DEFINE_CLK(fec0, "fec.0", MCF_BUSCLK); +DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK); struct clk *mcf_clks[] = { &clk_pll, @@ -49,6 +50,7 @@ struct clk *mcf_clks[] = { &clk_mcfuart2, &clk_mcfqspi0, &clk_fec0, + &clk_mcfi2c0, NULL }; @@ -64,6 +66,21 @@ static void __init m528x_qspi_init(void) /***************************************************************************/ +static void __init m528x_i2c_init(void) +{ +#if IS_ENABLED(CONFIG_I2C_IMX) + u16 paspar; + + /* setup Port AS Pin Assignment Register for I2C */ + /* set PASPA0 to SCL and PASPA1 to SDA */ + paspar = readw(MCFGPIO_PASPAR); + paspar |= 0xF; + writew(paspar, MCFGPIO_PASPAR); +#endif /* IS_ENABLED(CONFIG_I2C_IMX) */ +} + +/***************************************************************************/ + static void __init m528x_uarts_init(void) { u8 port; @@ -127,6 +144,7 @@ void __init config_BSP(char *commandp, int size) m528x_uarts_init(); m528x_fec_init(); m528x_qspi_init(); + m528x_i2c_init(); } /***************************************************************************/ diff --git a/arch/m68k/coldfire/m5307.c b/arch/m68k/coldfire/m5307.c index 2da1d146e344..cc5e8a50a423 100644 --- a/arch/m68k/coldfire/m5307.c +++ b/arch/m68k/coldfire/m5307.c @@ -35,6 +35,7 @@ DEFINE_CLK(mcftmr0, "mcftmr.0", MCF_BUSCLK); DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK); DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK); DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK); +DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK); struct clk *mcf_clks[] = { &clk_pll, @@ -43,11 +44,23 @@ struct clk *mcf_clks[] = { &clk_mcftmr1, &clk_mcfuart0, &clk_mcfuart1, + &clk_mcfi2c0, NULL }; /***************************************************************************/ +static void __init m5307_i2c_init(void) +{ +#if IS_ENABLED(CONFIG_I2C_IMX) + writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0, + MCFSIM_I2CICR); + mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C); +#endif /* IS_ENABLED(CONFIG_I2C_IMX) */ +} + +/***************************************************************************/ + void __init config_BSP(char *commandp, int size) { #if defined(CONFIG_NETtel) || \ @@ -73,6 +86,7 @@ void __init config_BSP(char *commandp, int size) */ wdebug(MCFDEBUG_CSR, MCFDEBUG_CSR_PSTCLK); #endif + m5307_i2c_init(); } /***************************************************************************/ diff --git a/arch/m68k/coldfire/m53xx.c b/arch/m68k/coldfire/m53xx.c index 2502f63960bc..cf1917934b8a 100644 --- a/arch/m68k/coldfire/m53xx.c +++ b/arch/m68k/coldfire/m53xx.c @@ -38,7 +38,7 @@ DEFINE_CLK(0, "edma", 17, MCF_CLK); DEFINE_CLK(0, "intc.0", 18, MCF_CLK); DEFINE_CLK(0, "intc.1", 19, MCF_CLK); DEFINE_CLK(0, "iack.0", 21, MCF_CLK); -DEFINE_CLK(0, "mcfi2c.0", 22, MCF_CLK); +DEFINE_CLK(0, "imx1-i2c.0", 22, MCF_CLK); DEFINE_CLK(0, "mcfqspi.0", 23, MCF_CLK); DEFINE_CLK(0, "mcfuart.0", 24, MCF_BUSCLK); DEFINE_CLK(0, "mcfuart.1", 25, MCF_BUSCLK); @@ -77,7 +77,7 @@ struct clk *mcf_clks[] = { &__clk_0_18, /* intc.0 */ &__clk_0_19, /* intc.1 */ &__clk_0_21, /* iack.0 */ - &__clk_0_22, /* mcfi2c.0 */ + &__clk_0_22, /* imx1-i2c.0 */ &__clk_0_23, /* mcfqspi.0 */ &__clk_0_24, /* mcfuart.0 */ &__clk_0_25, /* mcfuart.1 */ @@ -133,7 +133,7 @@ static struct clk * const disable_clks[] __initconst = { &__clk_0_8, /* mcfcan.0 */ &__clk_0_12, /* fec.0 */ &__clk_0_17, /* edma */ - &__clk_0_22, /* mcfi2c.0 */ + &__clk_0_22, /* imx1-i2c.0 */ &__clk_0_23, /* mcfqspi.0 */ &__clk_0_30, /* mcftmr.2 */ &__clk_0_31, /* mcftmr.3 */ @@ -176,6 +176,19 @@ static void __init m53xx_qspi_init(void) /***************************************************************************/ +static void __init m53xx_i2c_init(void) +{ +#if IS_ENABLED(CONFIG_I2C_IMX) + /* setup Port AS Pin Assignment Register for I2C */ + /* set PASPA0 to SCL and PASPA1 to SDA */ + u8 r = readb(MCFGPIO_PAR_FECI2C); + r |= 0x0f; + writeb(r, MCFGPIO_PAR_FECI2C); +#endif /* IS_ENABLED(CONFIG_I2C_IMX) */ +} + +/***************************************************************************/ + static void __init m53xx_uarts_init(void) { /* UART GPIO initialization */ @@ -218,6 +231,7 @@ void __init config_BSP(char *commandp, int size) m53xx_uarts_init(); m53xx_fec_init(); m53xx_qspi_init(); + m53xx_i2c_init(); #ifdef CONFIG_BDM_DISABLE /* diff --git a/arch/m68k/coldfire/m5407.c b/arch/m68k/coldfire/m5407.c index 738eba6be40e..38863ddbeab0 100644 --- a/arch/m68k/coldfire/m5407.c +++ b/arch/m68k/coldfire/m5407.c @@ -26,6 +26,7 @@ DEFINE_CLK(mcftmr0, "mcftmr.0", MCF_BUSCLK); DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK); DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK); DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK); +DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK); struct clk *mcf_clks[] = { &clk_pll, @@ -34,11 +35,23 @@ struct clk *mcf_clks[] = { &clk_mcftmr1, &clk_mcfuart0, &clk_mcfuart1, + &clk_mcfi2c0, NULL }; /***************************************************************************/ +static void __init m5407_i2c_init(void) +{ +#if IS_ENABLED(CONFIG_I2C_IMX) + writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0, + MCFSIM_I2CICR); + mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C); +#endif /* IS_ENABLED(CONFIG_I2C_IMX) */ +} + +/***************************************************************************/ + void __init config_BSP(char *commandp, int size) { mach_sched_init = hw_timer_init; @@ -48,6 +61,7 @@ void __init config_BSP(char *commandp, int size) mcf_mapirq2imr(27, MCFINTC_EINT3); mcf_mapirq2imr(29, MCFINTC_EINT5); mcf_mapirq2imr(31, MCFINTC_EINT7); + m5407_i2c_init(); } /***************************************************************************/ diff --git a/arch/m68k/coldfire/m5441x.c b/arch/m68k/coldfire/m5441x.c index 98a13cce93d8..dc589b039b62 100644 --- a/arch/m68k/coldfire/m5441x.c +++ b/arch/m68k/coldfire/m5441x.c @@ -19,13 +19,13 @@ DEFINE_CLK(0, "flexbus", 2, MCF_CLK); DEFINE_CLK(0, "mcfcan.0", 8, MCF_CLK); DEFINE_CLK(0, "mcfcan.1", 9, MCF_CLK); -DEFINE_CLK(0, "mcfi2c.1", 14, MCF_CLK); +DEFINE_CLK(0, "imx1-i2c.1", 14, MCF_CLK); DEFINE_CLK(0, "mcfdspi.1", 15, MCF_CLK); DEFINE_CLK(0, "edma", 17, MCF_CLK); DEFINE_CLK(0, "intc.0", 18, MCF_CLK); DEFINE_CLK(0, "intc.1", 19, MCF_CLK); DEFINE_CLK(0, "intc.2", 20, MCF_CLK); -DEFINE_CLK(0, "mcfi2c.0", 22, MCF_CLK); +DEFINE_CLK(0, "imx1-i2c.0", 22, MCF_CLK); DEFINE_CLK(0, "mcfdspi.0", 23, MCF_CLK); DEFINE_CLK(0, "mcfuart.0", 24, MCF_BUSCLK); DEFINE_CLK(0, "mcfuart.1", 25, MCF_BUSCLK); @@ -59,10 +59,10 @@ DEFINE_CLK(0, "switch.1", 56, MCF_CLK); DEFINE_CLK(0, "nand.0", 63, MCF_CLK); DEFINE_CLK(1, "mcfow.0", 2, MCF_CLK); -DEFINE_CLK(1, "mcfi2c.2", 4, MCF_CLK); -DEFINE_CLK(1, "mcfi2c.3", 5, MCF_CLK); -DEFINE_CLK(1, "mcfi2c.4", 6, MCF_CLK); -DEFINE_CLK(1, "mcfi2c.5", 7, MCF_CLK); +DEFINE_CLK(1, "imx1-i2c.2", 4, MCF_CLK); +DEFINE_CLK(1, "imx1-i2c.3", 5, MCF_CLK); +DEFINE_CLK(1, "imx1-i2c.4", 6, MCF_CLK); +DEFINE_CLK(1, "imx1-i2c.5", 7, MCF_CLK); DEFINE_CLK(1, "mcfuart.4", 24, MCF_BUSCLK); DEFINE_CLK(1, "mcfuart.5", 25, MCF_BUSCLK); DEFINE_CLK(1, "mcfuart.6", 26, MCF_BUSCLK); diff --git a/arch/m68k/coldfire/m54xx.c b/arch/m68k/coldfire/m54xx.c index 386df3b68cdf..c552851ec617 100644 --- a/arch/m68k/coldfire/m54xx.c +++ b/arch/m68k/coldfire/m54xx.c @@ -37,6 +37,7 @@ DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK); DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK); DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK); DEFINE_CLK(mcfuart3, "mcfuart.3", MCF_BUSCLK); +DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK); struct clk *mcf_clks[] = { &clk_pll, @@ -47,6 +48,7 @@ struct clk *mcf_clks[] = { &clk_mcfuart1, &clk_mcfuart2, &clk_mcfuart3, + &clk_mcfi2c0, NULL }; @@ -65,6 +67,20 @@ static void __init m54xx_uarts_init(void) /***************************************************************************/ +static void __init m54xx_i2c_init(void) +{ +#if IS_ENABLED(CONFIG_I2C_IMX) + u32 r; + + /* set the fec/i2c/irq pin assignment register for i2c */ + r = readl(MCF_PAR_FECI2CIRQ); + r |= MCF_PAR_FECI2CIRQ_SDA | MCF_PAR_FECI2CIRQ_SCL; + writel(r, MCF_PAR_FECI2CIRQ); +#endif /* IS_ENABLED(CONFIG_I2C_IMX) */ +} + +/***************************************************************************/ + static void mcf54xx_reset(void) { /* disable interrupts and enable the watchdog */ @@ -86,6 +102,7 @@ void __init config_BSP(char *commandp, int size) mach_reset = mcf54xx_reset; mach_sched_init = hw_timer_init; m54xx_uarts_init(); + m54xx_i2c_init(); } /***************************************************************************/ diff --git a/arch/m68k/include/asm/m5206sim.h b/arch/m68k/include/asm/m5206sim.h index 4cf864f5ea7a..0ddf3efbcae9 100644 --- a/arch/m68k/include/asm/m5206sim.h +++ b/arch/m68k/include/asm/m5206sim.h @@ -110,6 +110,7 @@ /* * Define system peripheral IRQ usage. */ +#define MCF_IRQ_I2C0 29 /* I2C, Level 5 */ #define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */ #define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ #define MCF_IRQ_UART0 73 /* UART0 */ @@ -138,6 +139,7 @@ #define MCFSIM_SWDICR MCFSIM_ICR8 /* Watchdog timer ICR */ #define MCFSIM_TIMER1ICR MCFSIM_ICR9 /* Timer 1 ICR */ #define MCFSIM_TIMER2ICR MCFSIM_ICR10 /* Timer 2 ICR */ +#define MCFSIM_I2CICR MCFSIM_ICR11 /* I2C ICR */ #define MCFSIM_UART1ICR MCFSIM_ICR12 /* UART 1 ICR */ #define MCFSIM_UART2ICR MCFSIM_ICR13 /* UART 2 ICR */ #ifdef CONFIG_M5206e @@ -145,5 +147,11 @@ #define MCFSIM_DMA2ICR MCFSIM_ICR15 /* DMA 2 ICR */ #endif +/* + * I2C Controller +*/ +#define MCFI2C_BASE0 (MCF_MBAR + 0x1e0) +#define MCFI2C_SIZE0 0x40 + /****************************************************************************/ #endif /* m5206sim_h */ diff --git a/arch/m68k/include/asm/m520xsim.h b/arch/m68k/include/asm/m520xsim.h index db3f8ee4a6c6..6d50cefa76c3 100644 --- a/arch/m68k/include/asm/m520xsim.h +++ b/arch/m68k/include/asm/m520xsim.h @@ -50,6 +50,7 @@ #define MCFINT_UART0 26 /* Interrupt number for UART0 */ #define MCFINT_UART1 27 /* Interrupt number for UART1 */ #define MCFINT_UART2 28 /* Interrupt number for UART2 */ +#define MCFINT_I2C0 30 /* Interrupt number for I2C */ #define MCFINT_QSPI 31 /* Interrupt number for QSPI */ #define MCFINT_FECRX0 36 /* Interrupt number for FEC RX */ #define MCFINT_FECTX0 40 /* Interrupt number for FEC RX */ @@ -67,6 +68,7 @@ #define MCF_IRQ_QSPI (MCFINT_VECBASE + MCFINT_QSPI) #define MCF_IRQ_PIT1 (MCFINT_VECBASE + MCFINT_PIT1) +#define MCF_IRQ_I2C0 (MCFINT_VECBASE + MCFINT_I2C0) /* * SDRAM configuration registers. */ @@ -200,5 +202,11 @@ #define MCFPM_PPMLR0 0xfc040034 #define MCFPM_LPCR 0xfc0a0007 +/* + * I2C module. + */ +#define MCFI2C_BASE0 0xFC058000 +#define MCFI2C_SIZE0 0x40 + /****************************************************************************/ #endif /* m520xsim_h */ diff --git a/arch/m68k/include/asm/m523xsim.h b/arch/m68k/include/asm/m523xsim.h index 5e06b4eb57f3..d43f6ab1edc9 100644 --- a/arch/m68k/include/asm/m523xsim.h +++ b/arch/m68k/include/asm/m523xsim.h @@ -37,7 +37,8 @@ #define MCFINT_UART0 13 /* Interrupt number for UART0 */ #define MCFINT_UART1 14 /* Interrupt number for UART1 */ #define MCFINT_UART2 15 /* Interrupt number for UART2 */ -#define MCFINT_QSPI 18 /* Interrupt number for QSPI */ +#define MCFINT_I2C0 17 /* Interrupt number for I2C */ +#define MCFINT_QSPI 18 /* Interrupt number for QSPI */ #define MCFINT_FECRX0 23 /* Interrupt number for FEC */ #define MCFINT_FECTX0 27 /* Interrupt number for FEC */ #define MCFINT_FECENTC0 29 /* Interrupt number for FEC */ @@ -53,6 +54,7 @@ #define MCF_IRQ_QSPI (MCFINT_VECBASE + MCFINT_QSPI) #define MCF_IRQ_PIT1 (MCFINT_VECBASE + MCFINT_PIT1) +#define MCF_IRQ_I2C0 (MCFINT_VECBASE + MCFINT_I2C0) /* * SDRAM configuration registers. @@ -208,5 +210,11 @@ #define MCFDMA_BASE2 (MCF_IPSBAR + 0x180) #define MCFDMA_BASE3 (MCF_IPSBAR + 0x1C0) +/* + * I2C module. + */ +#define MCFI2C_BASE0 (MCF_IPSBAR + 0x300) +#define MCFI2C_SIZE0 0x40 + /****************************************************************************/ #endif /* m523xsim_h */ diff --git a/arch/m68k/include/asm/m527xsim.h b/arch/m68k/include/asm/m527xsim.h index 2c648a043f24..35f6fbc89b92 100644 --- a/arch/m68k/include/asm/m527xsim.h +++ b/arch/m68k/include/asm/m527xsim.h @@ -37,6 +37,7 @@ #define MCFINT_UART0 13 /* Interrupt number for UART0 */ #define MCFINT_UART1 14 /* Interrupt number for UART1 */ #define MCFINT_UART2 15 /* Interrupt number for UART2 */ +#define MCFINT_I2C0 17 /* Interrupt number for I2C */ #define MCFINT_QSPI 18 /* Interrupt number for QSPI */ #define MCFINT_FECRX0 23 /* Interrupt number for FEC0 */ #define MCFINT_FECTX0 27 /* Interrupt number for FEC0 */ @@ -61,6 +62,7 @@ #define MCF_IRQ_QSPI (MCFINT_VECBASE + MCFINT_QSPI) #define MCF_IRQ_PIT1 (MCFINT_VECBASE + MCFINT_PIT1) +#define MCF_IRQ_I2C0 (MCFINT_VECBASE + MCFINT_I2C0) /* * SDRAM configuration registers. @@ -353,5 +355,11 @@ #define MCF_RCR_SWRESET 0x80 /* Software reset bit */ #define MCF_RCR_FRCSTOUT 0x40 /* Force external reset */ +/* + * I2C module. + */ +#define MCFI2C_BASE0 (MCF_IPSBAR + 0x300) +#define MCFI2C_SIZE0 0x40 + /****************************************************************************/ #endif /* m527xsim_h */ diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h index cf68ca0ac3a5..67f6182d10a4 100644 --- a/arch/m68k/include/asm/m528xsim.h +++ b/arch/m68k/include/asm/m528xsim.h @@ -37,6 +37,7 @@ #define MCFINT_UART0 13 /* Interrupt number for UART0 */ #define MCFINT_UART1 14 /* Interrupt number for UART1 */ #define MCFINT_UART2 15 /* Interrupt number for UART2 */ +#define MCFINT_I2C0 17 /* Interrupt number for I2C */ #define MCFINT_QSPI 18 /* Interrupt number for QSPI */ #define MCFINT_FECRX0 23 /* Interrupt number for FEC */ #define MCFINT_FECTX0 27 /* Interrupt number for FEC */ @@ -53,6 +54,8 @@ |