diff options
Diffstat (limited to 'arch/arm/mach-s3c2443')
| -rw-r--r-- | arch/arm/mach-s3c2443/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-s3c2443/clock.c | 176 | ||||
| -rw-r--r-- | arch/arm/mach-s3c2443/dma.c | 27 | ||||
| -rw-r--r-- | arch/arm/mach-s3c2443/mach-smdk2443.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-s3c2443/s3c2443.c | 7 |
5 files changed, 17 insertions, 196 deletions
diff --git a/arch/arm/mach-s3c2443/Kconfig b/arch/arm/mach-s3c2443/Kconfig index d8eb868..8814031 100644 --- a/arch/arm/mach-s3c2443/Kconfig +++ b/arch/arm/mach-s3c2443/Kconfig @@ -10,7 +10,6 @@ config CPU_S3C2443 select CPU_LLSERIAL_S3C2440 select SAMSUNG_CLKSRC select S3C2443_CLOCK - select S3C_GPIO_PULL_S3C2443 help Support for the S3C2443 SoC from the S3C24XX line diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c index f4ec6d5..1c2c088 100644 --- a/arch/arm/mach-s3c2443/clock.c +++ b/arch/arm/mach-s3c2443/clock.c @@ -57,19 +57,14 @@ /* clock selections */ -static struct clk clk_i2s_ext = { - .name = "i2s-ext", - .id = -1, -}; - /* armdiv * * this clock is sourced from msysclk and can have a number of * divider values applied to it to then be fed into armclk. + * The real clock definition is done in s3c2443-clock.c, + * only the armdiv divisor table must be defined here. */ -/* armdiv divisor table */ - static unsigned int armdiv[16] = { [S3C2443_CLKDIV0_ARMDIV_1 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 1, [S3C2443_CLKDIV0_ARMDIV_2 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 2, @@ -81,94 +76,6 @@ static unsigned int armdiv[16] = { [S3C2443_CLKDIV0_ARMDIV_16 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 16, }; -static inline unsigned int s3c2443_fclk_div(unsigned long clkcon0) -{ - clkcon0 &= S3C2443_CLKDIV0_ARMDIV_MASK; - - return armdiv[clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]; -} - -static unsigned long s3c2443_armclk_roundrate(struct clk *clk, - unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - unsigned long calc; - unsigned best = 256; /* bigger than any value */ - unsigned div; - int ptr; - - for (ptr = 0; ptr < ARRAY_SIZE(armdiv); ptr++) { - div = armdiv[ptr]; - calc = parent / div; - if (calc <= rate && div < best) - best = div; - } - - return parent / best; -} - -static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - unsigned long calc; - unsigned div; - unsigned best = 256; /* bigger than any value */ - int ptr; - int val = -1; - - for (ptr = 0; ptr < ARRAY_SIZE(armdiv); ptr++) { - div = armdiv[ptr]; - calc = parent / div; - if (calc <= rate && div < best) { - best = div; - val = ptr; - } - } - - if (val >= 0) { - unsigned long clkcon0; - - clkcon0 = __raw_readl(S3C2443_CLKDIV0); - clkcon0 &= S3C2443_CLKDIV0_ARMDIV_MASK; - clkcon0 |= val << S3C2443_CLKDIV0_ARMDIV_SHIFT; - __raw_writel(clkcon0, S3C2443_CLKDIV0); - } - - return (val == -1) ? -EINVAL : 0; -} - -static struct clk clk_armdiv = { - .name = "armdiv", - .id = -1, - .parent = &clk_msysclk.clk, - .ops = &(struct clk_ops) { - .round_rate = s3c2443_armclk_roundrate, - .set_rate = s3c2443_armclk_setrate, - }, -}; - -/* armclk - * - * this is the clock fed into the ARM core itself, from armdiv or from hclk. - */ - -static struct clk *clk_arm_sources[] = { - [0] = &clk_armdiv, - [1] = &clk_h, -}; - -static struct clksrc_clk clk_arm = { - .clk = { - .name = "armclk", - .id = -1, - }, - .sources = &(struct clksrc_sources) { - .sources = clk_arm_sources, - .nr_sources = ARRAY_SIZE(clk_arm_sources), - }, - .reg_src = { .reg = S3C2443_CLKDIV0, .size = 1, .shift = 13 }, -}; - /* hsspi * * high-speed spi clock, sourced from esysclk @@ -176,8 +83,7 @@ static struct clksrc_clk clk_arm = { static struct clksrc_clk clk_hsspi = { .clk = { - .name = "hsspi", - .id = -1, + .name = "hsspi-if", .parent = &clk_esysclk.clk, .ctrlbit = S3C2443_SCLKCON_HSSPICLK, .enable = s3c2443_clkcon_enable_s, @@ -196,7 +102,7 @@ static struct clksrc_clk clk_hsspi = { static struct clksrc_clk clk_hsmmc_div = { .clk = { .name = "hsmmc-div", - .id = 1, + .devname = "s3c-sdhci.1", .parent = &clk_esysclk.clk, }, .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 6 }, @@ -231,7 +137,7 @@ static int s3c2443_enable_hsmmc(struct clk *clk, int enable) static struct clk clk_hsmmc = { .name = "hsmmc-if", - .id = 1, + .devname = "s3c-sdhci.1", .parent = &clk_hsmmc_div.clk, .enable = s3c2443_enable_hsmmc, .ops = &(struct clk_ops) { @@ -239,101 +145,43 @@ static struct clk clk_hsmmc = { }, }; -/* i2s_eplldiv - * - * This clock is the output from the I2S divisor of ESYSCLK, and is separate - * from the mux that comes after it (cannot merge into one single clock) -*/ - -static struct clksrc_clk clk_i2s_eplldiv = { - .clk = { - .name = "i2s-eplldiv", - .id = -1, - .parent = &clk_esysclk.clk, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 12, }, -}; - -/* i2s-ref - * - * i2s bus reference clock, selectable from external, esysclk or epllref - * - * Note, this used to be two clocks, but was compressed into one. -*/ - -struct clk *clk_i2s_srclist[] = { - [0] = &clk_i2s_eplldiv.clk, - [1] = &clk_i2s_ext, - [2] = &clk_epllref.clk, - [3] = &clk_epllref.clk, -}; - -static struct clksrc_clk clk_i2s = { - .clk = { - .name = "i2s-if", - .id = -1, - .ctrlbit = S3C2443_SCLKCON_I2SCLK, - .enable = s3c2443_clkcon_enable_s, - - }, - .sources = &(struct clksrc_sources) { - .sources = clk_i2s_srclist, - .nr_sources = ARRAY_SIZE(clk_i2s_srclist), - }, - .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 14 }, -}; - /* standard clock definitions */ static struct clk init_clocks_off[] = { { .name = "sdi", - .id = -1, .parent = &clk_p, .enable = s3c2443_clkcon_enable_p, .ctrlbit = S3C2443_PCLKCON_SDI, }, { - .name = "iis", - .id = -1, - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_IIS, - }, { .name = "spi", - .id = 0, + .devname = "s3c2410-spi.0", .parent = &clk_p, .enable = s3c2443_clkcon_enable_p, .ctrlbit = S3C2443_PCLKCON_SPI0, }, { .name = "spi", - .id = 1, + .devname = "s3c2410-spi.1", .parent = &clk_p, .enable = s3c2443_clkcon_enable_p, .ctrlbit = S3C2443_PCLKCON_SPI1, } }; -static struct clk init_clocks[] = { -}; - /* clocks to add straight away */ static struct clksrc_clk *clksrcs[] __initdata = { - &clk_arm, - &clk_i2s_eplldiv, - &clk_i2s, &clk_hsspi, &clk_hsmmc_div, }; static struct clk *clks[] __initdata = { &clk_hsmmc, - &clk_armdiv, }; void __init_or_cpufreq s3c2443_setup_clocks(void) { - s3c2443_common_setup_clocks(s3c2443_get_mpll, s3c2443_fclk_div); + s3c2443_common_setup_clocks(s3c2443_get_mpll); } void __init s3c2443_init_clocks(int xtal) @@ -344,7 +192,9 @@ void __init s3c2443_init_clocks(int xtal) clk_epll.rate = s3c2443_get_epll(epllcon, xtal); clk_epll.parent = &clk_epllref.clk; - s3c2443_common_init_clocks(xtal, s3c2443_get_mpll, s3c2443_fclk_div); + s3c2443_common_init_clocks(xtal, s3c2443_get_mpll, + armdiv, ARRAY_SIZE(armdiv), + S3C2443_CLKDIV0_ARMDIV_MASK); s3c2443_setup_clocks(); @@ -353,10 +203,6 @@ void __init s3c2443_init_clocks(int xtal) for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) s3c_register_clksrc(clksrcs[ptr], 1); - /* register clocks from clock array */ - - s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); - /* We must be careful disabling the clocks we are not intending to * be using at boot time, as subsystems such as the LCD which do * their own DMA requests to the bus can cause the system to lockup diff --git a/arch/arm/mach-s3c2443/dma.c b/arch/arm/mach-s3c2443/dma.c index 3f65868..fe52151 100644 --- a/arch/arm/mach-s3c2443/dma.c +++ b/arch/arm/mach-s3c2443/dma.c @@ -54,68 +54,46 @@ static struct s3c24xx_dma_map __initdata s3c2443_dma_mappings[] = { [DMACH_SDI] = { .name = "sdi", .channels = MAP(S3C2443_DMAREQSEL_SDI), - .hw_addr.to = S3C2410_PA_IIS + S3C2410_IISFIFO, - .hw_addr.from = S3C2410_PA_IIS + S3C2410_IISFIFO, }, [DMACH_SPI0] = { .name = "spi0", .channels = MAP(S3C2443_DMAREQSEL_SPI0TX), - .hw_addr.to = S3C2410_PA_SPI + S3C2410_SPTDAT, - .hw_addr.from = S3C2410_PA_SPI + S3C2410_SPRDAT, }, [DMACH_SPI1] = { .name = "spi1", .channels = MAP(S3C2443_DMAREQSEL_SPI1TX), - .hw_addr.to = S3C2410_PA_SPI + 0x20 + S3C2410_SPTDAT, - .hw_addr.from = S3C2410_PA_SPI + 0x20 + S3C2410_SPRDAT, }, [DMACH_UART0] = { .name = "uart0", .channels = MAP(S3C2443_DMAREQSEL_UART0_0), - .hw_addr.to = S3C2410_PA_UART0 + S3C2410_UTXH, - .hw_addr.from = S3C2410_PA_UART0 + S3C2410_URXH, }, [DMACH_UART1] = { .name = "uart1", .channels = MAP(S3C2443_DMAREQSEL_UART1_0), - .hw_addr.to = S3C2410_PA_UART1 + S3C2410_UTXH, - .hw_addr.from = S3C2410_PA_UART1 + S3C2410_URXH, }, [DMACH_UART2] = { .name = "uart2", .channels = MAP(S3C2443_DMAREQSEL_UART2_0), - .hw_addr.to = S3C2410_PA_UART2 + S3C2410_UTXH, - .hw_addr.from = S3C2410_PA_UART2 + S3C2410_URXH, }, [DMACH_UART3] = { .name = "uart3", .channels = MAP(S3C2443_DMAREQSEL_UART3_0), - .hw_addr.to = S3C2443_PA_UART3 + S3C2410_UTXH, - .hw_addr.from = S3C2443_PA_UART3 + S3C2410_URXH, }, [DMACH_UART0_SRC2] = { .name = "uart0", .channels = MAP(S3C2443_DMAREQSEL_UART0_1), - .hw_addr.to = S3C2410_PA_UART0 + S3C2410_UTXH, - .hw_addr.from = S3C2410_PA_UART0 + S3C2410_URXH, }, [DMACH_UART1_SRC2] = { .name = "uart1", .channels = MAP(S3C2443_DMAREQSEL_UART1_1), - .hw_addr.to = S3C2410_PA_UART1 + S3C2410_UTXH, - .hw_addr.from = S3C2410_PA_UART1 + S3C2410_URXH, }, [DMACH_UART2_SRC2] = { .name = "uart2", .channels = MAP(S3C2443_DMAREQSEL_UART2_1), - .hw_addr.to = S3C2410_PA_UART2 + S3C2410_UTXH, - .hw_addr.from = S3C2410_PA_UART2 + S3C2410_URXH, }, [DMACH_UART3_SRC2] = { .name = "uart3", .channels = MAP(S3C2443_DMAREQSEL_UART3_1), - .hw_addr.to = S3C2443_PA_UART3 + S3C2410_UTXH, - .hw_addr.from = S3C2443_PA_UART3 + S3C2410_URXH, }, [DMACH_TIMER] = { .name = "timer", @@ -124,27 +102,22 @@ static struct s3c24xx_dma_map __initdata s3c2443_dma_mappings[] = { [DMACH_I2S_IN] = { .name = "i2s-sdi", .channels = MAP(S3C2443_DMAREQSEL_I2SRX), - .hw_addr.from = S3C2410_PA_IIS + S3C2410_IISFIFO, }, [DMACH_I2S_OUT] = { .name = "i2s-sdo", .channels = MAP(S3C2443_DMAREQSEL_I2STX), - .hw_addr.to = S3C2410_PA_IIS + S3C2410_IISFIFO, }, [DMACH_PCM_IN] = { .name = "pcm-in", .channels = MAP(S3C2443_DMAREQSEL_PCMIN), - .hw_addr.from = S3C2440_PA_AC97 + S3C_AC97_PCM_DATA, }, [DMACH_PCM_OUT] = { .name = "pcm-out", .channels = MAP(S3C2443_DMAREQSEL_PCMOUT), - .hw_addr.to = S3C2440_PA_AC97 + S3C_AC97_PCM_DATA, }, [DMACH_MIC_IN] = { .name = "mic-in", .channels = MAP(S3C2443_DMAREQSEL_MICIN), - .hw_addr.from = S3C2440_PA_AC97 + S3C_AC97_MIC_DATA, }, }; diff --git a/arch/arm/mach-s3c2443/mach-smdk2443.c b/arch/arm/mach-s3c2443/mach-smdk2443.c index 514275e..bec107e 100644 --- a/arch/arm/mach-s3c2443/mach-smdk2443.c +++ b/arch/arm/mach-s3c2443/mach-smdk2443.c @@ -139,7 +139,7 @@ static void __init smdk2443_machine_init(void) MACHINE_START(SMDK2443, "SMDK2443") /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ - .boot_params = S3C2410_SDRAM_PA + 0x100, + .atag_offset = 0x100, .init_irq = s3c24xx_init_irq, .map_io = smdk2443_map_io, diff --git a/arch/arm/mach-s3c2443/s3c2443.c b/arch/arm/mach-s3c2443/s3c2443.c index e6a28ba..a22b771 100644 --- a/arch/arm/mach-s3c2443/s3c2443.c +++ b/arch/arm/mach-s3c2443/s3c2443.c @@ -41,6 +41,7 @@ #include <plat/cpu.h> #include <plat/fb-core.h> #include <plat/nand-core.h> +#include <plat/adc-core.h> static struct map_desc s3c2443_iodesc[] __initdata = { IODESC_ENT(WATCHDOG), @@ -70,6 +71,8 @@ int __init s3c2443_init(void) s3c_nand_setname("s3c2412-nand"); s3c_fb_setname("s3c2443-fb"); + s3c_adc_setname("s3c2443-adc"); + /* change WDT IRQ number */ s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; @@ -90,8 +93,8 @@ void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no) void __init s3c2443_map_io(void) { - s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_s3c2443; - s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_s3c2443; + s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull; + s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull; iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc)); } |