diff options
Diffstat (limited to 'board/apollon')
| -rw-r--r-- | board/apollon/apollon.c | 468 | ||||
| -rw-r--r-- | board/apollon/lowlevel_init.S | 18 | ||||
| -rw-r--r-- | board/apollon/mem.c | 43 | ||||
| -rw-r--r-- | board/apollon/mem.h | 16 | ||||
| -rw-r--r-- | board/apollon/sys_info.c | 31 | ||||
| -rw-r--r-- | board/apollon/u-boot.lds | 3 |
6 files changed, 222 insertions, 357 deletions
diff --git a/board/apollon/apollon.c b/board/apollon/apollon.c index e2c6277..064d143 100644 --- a/board/apollon/apollon.c +++ b/board/apollon/apollon.c @@ -31,18 +31,32 @@ #include <asm/arch/sys_proto.h> #include <asm/arch/sys_info.h> #include <asm/arch/mem.h> -#include <i2c.h> #include <asm/mach-types.h> void wait_for_command_complete(unsigned int wd_base); +DECLARE_GLOBAL_DATA_PTR; + +#define write_config_reg(reg, value) \ +do { \ + writeb(value, reg); \ +} while (0) + +#define mask_config_reg(reg, mask) \ +do { \ + char value = readb(reg) & ~(mask); \ + writeb(value, reg); \ +} while (0) + /******************************************************* * Routine: delay * Description: spinning delay to use before udelay works -******************************************************/ -static inline void delay(unsigned long loops) { - __asm__ volatile ("1:\n" "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0"(loops)); } + ******************************************************/ +static inline void delay(unsigned long loops) +{ + __asm__("1:\n" "subs %0, %1, #1\n" + "bne 1b":"=r" (loops):"0"(loops)); +} /***************************************** * Routine: board_init @@ -50,8 +64,6 @@ static inline void delay(unsigned long loops) { *****************************************/ int board_init(void) { - DECLARE_GLOBAL_DATA_PTR; - gpmc_init(); /* in SRAM or SDRM, finish GPMC */ gd->bd->bi_arch_number = 919; @@ -68,7 +80,6 @@ int board_init(void) **********************************************************/ void s_init(void) { - watchdog_init(); set_muxconf_regs(); delay(100); @@ -80,7 +91,7 @@ void s_init(void) /******************************************************* * Routine: misc_init_r * Description: Init ethernet (done here so udelay works) -********************************************************/ + ********************************************************/ int misc_init_r(void) { ether_init(); /* better done here so timers are init'ed */ @@ -102,22 +113,24 @@ void watchdog_init(void) __raw_writel(WD_UNLOCK2, WD2_BASE + WSPR); #define MPU_WD_CLOCKED 1 -#if MPU_WD_CLOCKED /* value 0x10 stick on aptix, BIT4 polarity seems oppsite */ +#if MPU_WD_CLOCKED + /* value 0x10 stick on aptix, BIT4 polarity seems oppsite */ __raw_writel(WD_UNLOCK1, WD3_BASE + WSPR); wait_for_command_complete(WD3_BASE); __raw_writel(WD_UNLOCK2, WD3_BASE + WSPR); __raw_writel(WD_UNLOCK1, WD4_BASE + WSPR); wait_for_command_complete(WD4_BASE); - __raw_writel(WD_UNLOCK2, WD4_BASE + WSPR); -#endif + __raw_writel(WD_UNLOCK2, WD4_BASE + WSPR); +#endif } /****************************************************** * Routine: wait_for_command_complete * Description: Wait for posting to finish on watchdog -******************************************************/ -void wait_for_command_complete(unsigned int wd_base) { + ******************************************************/ +void wait_for_command_complete(unsigned int wd_base) +{ int pending = 1; do { pending = __raw_readl(wd_base + WWPS); @@ -160,7 +173,7 @@ void ether_init(void) } while (__raw_readw(LAN_RESET_REGISTER) != 0x0000); udelay(1000); - *((volatile unsigned char *)ETH_CONTROL_REG) &= ~0x01; + mask_config_reg(ETH_CONTROL_REG, 0x01); udelay(1000); eth_reset_err_out: @@ -171,10 +184,9 @@ eth_reset_err_out: /********************************************** * Routine: dram_init * Description: sets uboots idea of sdram size -**********************************************/ + **********************************************/ int dram_init(void) { - DECLARE_GLOBAL_DATA_PTR; unsigned int size0 = 0, size1 = 0; u32 mtype, btype, rev = 0, cpu = 0; #define NOT_EARLY 0 @@ -187,8 +199,8 @@ int dram_init(void) display_board_info(btype); if ((mtype == DDR_COMBO) || (mtype == DDR_STACKED)) { - printf("ddr combo\n"); - do_sdrc_init(SDRC_CS1_OSET, NOT_EARLY); /* init other chip select */ + /* init other chip select */ + do_sdrc_init(SDRC_CS1_OSET, NOT_EARLY); } size0 = get_sdr_cs_size(SDRC_CS0_OSET); @@ -224,7 +236,7 @@ void set_muxconf_regs(void) /***************************************************************** * Routine: peripheral_enable * Description: Enable the clks & power for perifs (GPT2, UART1,...) -******************************************************************/ + ******************************************************************/ void peripheral_enable(void) { unsigned int v, if_clks = 0, func_clks = 0; @@ -232,7 +244,8 @@ void peripheral_enable(void) /* Enable GP2 timer. */ if_clks |= BIT4 | BIT3; func_clks |= BIT4 | BIT3; - v = __raw_readl(CM_CLKSEL2_CORE) | 0x4 | 0x2; /* Sys_clk input OMAP2420_GPT2 */ + /* Sys_clk input OMAP2420_GPT2 */ + v = __raw_readl(CM_CLKSEL2_CORE) | 0x4 | 0x2; __raw_writel(v, CM_CLKSEL2_CORE); __raw_writel(0x1, CM_CLKSEL_WKUP); @@ -241,9 +254,11 @@ void peripheral_enable(void) func_clks |= BIT21; if_clks |= BIT21; #endif - v = __raw_readl(CM_ICLKEN1_CORE) | if_clks; /* Interface clocks on */ + /* Interface clocks on */ + v = __raw_readl(CM_ICLKEN1_CORE) | if_clks; __raw_writel(v, CM_ICLKEN1_CORE); - v = __raw_readl(CM_FCLKEN1_CORE) | func_clks; /* Functional Clocks on */ + /* Functional Clocks on */ + v = __raw_readl(CM_FCLKEN1_CORE) | func_clks; __raw_writel(v, CM_FCLKEN1_CORE); delay(1000); @@ -261,199 +276,110 @@ void peripheral_enable(void) } /**************************************** - * Routine: muxSetupUsb0 (ostboot) + * Routine: muxSetupUsb0 (ostboot) * Description: Setup usb muxing *****************************************/ void muxSetupUsb0(void) { - volatile uint8 *MuxConfigReg; - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_PUEN; - *MuxConfigReg &= (uint8) (~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_VP; - *MuxConfigReg &= (uint8) (~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_VM; - *MuxConfigReg &= (uint8) (~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_RCV; - *MuxConfigReg &= (uint8) (~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_TXEN; - *MuxConfigReg &= (uint8) (~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_SE0; - *MuxConfigReg &= (uint8) (~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_DAT; - *MuxConfigReg &= (uint8) (~0x1F); + mask_config_reg(CONTROL_PADCONF_USB0_PUEN, 0x1f); + mask_config_reg(CONTROL_PADCONF_USB0_VP, 0x1f); + mask_config_reg(CONTROL_PADCONF_USB0_VM, 0x1f); + mask_config_reg(CONTROL_PADCONF_USB0_RCV, 0x1f); + mask_config_reg(CONTROL_PADCONF_USB0_TXEN, 0x1f); + mask_config_reg(CONTROL_PADCONF_USB0_SE0, 0x1f); + mask_config_reg(CONTROL_PADCONF_USB0_DAT, 0x1f); } -#define CONTROL_PADCONF_USB1_RCV ((volatile uint8 *)0x480000EB) -#define CONTROL_PADCONF_USB1_TXEN ((volatile uint8 *)0x480000EC) -#define CONTROL_PADCONF_GPIO69 ((volatile uint8 *)0x480000ED) -#define CONTROL_PADCONF_GPIO70 ((volatile uint8 *)0x480000EE) - -#define CONTROL_PADCONF_GPIO102 ((volatile uint8 *)0x48000116) -#define CONTROL_PADCONF_GPIO103 ((volatile uint8 *)0x48000117) -#define CONTROL_PADCONF_GPIO104 ((volatile uint8 *)0x48000118) -#define CONTROL_PADCONF_GPIO105 ((volatile uint8 *)0x48000119) /**************************************** - * Routine: muxSetupUSBHost (ostboot) + * Routine: muxSetupUSBHost (ostboot) * Description: Setup USB Host muxing *****************************************/ void muxSetupUsbHost(void) { - volatile uint8 *MuxConfigReg; - /* V19 */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB1_RCV; - *MuxConfigReg = 1; + write_config_reg(CONTROL_PADCONF_USB1_RCV, 1); /* W20 */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB1_TXEN; - *MuxConfigReg = 1; + write_config_reg(CONTROL_PADCONF_USB1_TXEN, 1); /* N14 */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPIO69; - *MuxConfigReg = 3; + write_config_reg(CONTROL_PADCONF_GPIO69, 3); /* P15 */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPIO70; - *MuxConfigReg = 3; - + write_config_reg(CONTROL_PADCONF_GPIO70, 3); /* L18 */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPIO102; - *MuxConfigReg = 3; + write_config_reg(CONTROL_PADCONF_GPIO102, 3); /* L19 */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPIO103; - *MuxConfigReg = 3; + write_config_reg(CONTROL_PADCONF_GPIO103, 3); /* K15 */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPIO104; - *MuxConfigReg = 3; + write_config_reg(CONTROL_PADCONF_GPIO104, 3); /* K14 */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPIO105; - *MuxConfigReg = 3; + write_config_reg(CONTROL_PADCONF_GPIO105, 3); } /**************************************** - * Routine: muxSetupUART1 (ostboot) + * Routine: muxSetupUART1 (ostboot) * Description: Set up uart1 muxing *****************************************/ void muxSetupUART1(void) { - volatile unsigned char *MuxConfigReg; - - /* UART1_CTS pin configuration, PIN = D21 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_CTS; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* UART1_RTS pin configuration, PIN = H21 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_RTS; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* UART1_TX pin configuration, PIN = L20 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_TX; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* UART1_RX pin configuration, PIN = T21 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_RX; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ + /* UART1_CTS pin configuration, PIN = D21, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_UART1_CTS, 0); + /* UART1_RTS pin configuration, PIN = H21, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_UART1_RTS, 0); + /* UART1_TX pin configuration, PIN = L20, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_UART1_TX, 0); + /* UART1_RX pin configuration, PIN = T21, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_UART1_RX, 0); } /**************************************** - * Routine: muxSetupLCD (ostboot) + * Routine: muxSetupLCD (ostboot) * Description: Setup lcd muxing *****************************************/ void muxSetupLCD(void) { - volatile unsigned char *MuxConfigReg; - - /* LCD_D0 pin configuration, PIN = Y7 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D0; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D1 pin configuration, PIN = P10 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D1; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D2 pin configuration, PIN = V8 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D2; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D3 pin configuration, PIN = Y8 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D3; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D4 pin configuration, PIN = W8 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D4; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D5 pin configuration, PIN = R10 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D5; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D6 pin configuration, PIN = Y9 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D6; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D7 pin configuration, PIN = V9 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D7; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D8 pin configuration, PIN = W9 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D8; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D9 pin configuration, PIN = P11 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D9; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D10 pin configuration, PIN = V10 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D10; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D11 pin configuration, PIN = Y10 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D11; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D12 pin configuration, PIN = W10 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D12; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D13 pin configuration, PIN = R11 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D13; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D14 pin configuration, PIN = V11 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D14; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D15 pin configuration, PIN = W11 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D15; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D16 pin configuration, PIN = P12 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D16; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D17 pin configuration, PIN = R12 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D17; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_PCLK pin configuration, PIN = W6 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_PCLK; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_VSYNC pin configuration, PIN = V7 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_VSYNC; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_HSYNC pin configuration, PIN = Y6 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_HSYNC; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* LCD_ACBIAS pin configuration, PIN = W7 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_ACBIAS; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ + /* LCD_D0 pin configuration, PIN = Y7, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D0, 0); + /* LCD_D1 pin configuration, PIN = P10 , Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D1, 0); + /* LCD_D2 pin configuration, PIN = V8, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D2, 0); + /* LCD_D3 pin configuration, PIN = Y8, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D3, 0); + /* LCD_D4 pin configuration, PIN = W8, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D4, 0); + /* LCD_D5 pin configuration, PIN = R10, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D5, 0); + /* LCD_D6 pin configuration, PIN = Y9, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D6, 0); + /* LCD_D7 pin configuration, PIN = V9, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D7, 0); + /* LCD_D8 pin configuration, PIN = W9, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D8, 0); + /* LCD_D9 pin configuration, PIN = P11, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D9, 0); + /* LCD_D10 pin configuration, PIN = V10, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D10, 0); + /* LCD_D11 pin configuration, PIN = Y10, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D11, 0); + /* LCD_D12 pin configuration, PIN = W10, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D12, 0); + /* LCD_D13 pin configuration, PIN = R11, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D13, 0); + /* LCD_D14 pin configuration, PIN = V11, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D14, 0); + /* LCD_D15 pin configuration, PIN = W11, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D15, 0); + /* LCD_D16 pin configuration, PIN = P12, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D16, 0); + /* LCD_D17 pin configuration, PIN = R12, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_D17, 0); + /* LCD_PCLK pin configuration, PIN = W6, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_PCLK, 0); + /* LCD_VSYNC pin configuration, PIN = V7, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_VSYNC, 0); + /* LCD_HSYNC pin configuration, PIN = Y6, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_HSYNC, 0); + /* LCD_ACBIAS pin configuration, PIN = W7, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_DSS_ACBIAS, 0); } /**************************************** @@ -462,146 +388,84 @@ void muxSetupLCD(void) *****************************************/ void muxSetupMMCSD(void) { - volatile unsigned char *MuxConfigReg; - - /* SDMMC_CLKI pin configuration, PIN = H15 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CLKI; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* SDMMC_CLKO pin configuration, PIN = G19 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CLKO; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* SDMMC_CMD pin configuration, PIN = H18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CMD; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - /* External pull-ups are present. */ - /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ - - /* SDMMC_DAT0 pin configuration, PIN = F20 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT0; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - /* External pull-ups are present. */ - /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ - - /* SDMMC_DAT1 pin configuration, PIN = H14 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT1; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - /* External pull-ups are present. */ - /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ - - /* SDMMC_DAT2 pin configuration, PIN = E19 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT2; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - /* External pull-ups are present. */ - /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ - - /* SDMMC_DAT3 pin configuration, PIN = D19 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT3; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - /* External pull-ups are present. */ - /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ - - /* SDMMC_DDIR0 pin configuration, PIN = F19 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR0; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* SDMMC_DDIR1 pin configuration, PIN = E20 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR1; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* SDMMC_DDIR2 pin configuration, PIN = F18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR2; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* SDMMC_DDIR3 pin configuration, PIN = E18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR3; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* SDMMC_CDIR pin configuration, PIN = G18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CMD_DIR; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ + /* SDMMC_CLKI pin configuration, PIN = H15, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_MMC_CLKI, 0); + /* SDMMC_CLKO pin configuration, PIN = G19, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_MMC_CLKO, 0); + /* SDMMC_CMD pin configuration, PIN = H18, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_MMC_CMD, 0); + /* SDMMC_DAT0 pin configuration, PIN = F20, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_MMC_DAT0, 0); + /* SDMMC_DAT1 pin configuration, PIN = H14, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_MMC_DAT1, 0); + /* SDMMC_DAT2 pin configuration, PIN = E19, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_MMC_DAT2, 0); + /* SDMMC_DAT3 pin configuration, PIN = D19, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_MMC_DAT3, 0); + /* SDMMC_DDIR0 pin configuration, PIN = F19, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_MMC_DAT_DIR0, 0); + /* SDMMC_DDIR1 pin configuration, PIN = E20, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_MMC_DAT_DIR1, 0); + /* SDMMC_DDIR2 pin configuration, PIN = F18, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_MMC_DAT_DIR2, 0); + /* SDMMC_DDIR3 pin configuration, PIN = E18, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_MMC_DAT_DIR3, 0); + /* SDMMC_CDIR pin configuration, PIN = G18, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_MMC_CMD_DIR, 0); } /****************************************** * Routine: muxSetupTouchScreen (ostboot) - * Description: Set up touch screen muxing -*******************************************/ + * Description: Set up touch screen muxing + *******************************************/ void muxSetupTouchScreen(void) { - volatile unsigned char *MuxConfigReg; - - /* SPI1_CLK pin configuration, PIN = U18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_CLK; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* SPI1_MOSI pin configuration, PIN = V20 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_SIMO; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* SPI1_MISO pin configuration, PIN = T18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_SOMI; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - - /* SPI1_nCS0 pin configuration, PIN = U19 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_NCS0; - *MuxConfigReg = 0x00; /* Mode = 0, PUPD=Disabled */ - + /* SPI1_CLK pin configuration, PIN = U18, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_SPI1_CLK, 0); + /* SPI1_MOSI pin configuration, PIN = V20, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_SPI1_SIMO, 0); + /* SPI1_MISO pin configuration, PIN = T18, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_SPI1_SOMI, 0); + /* SPI1_nCS0 pin configuration, PIN = U19, Mode = 0, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_SPI1_NCS0, 0); #define CONTROL_PADCONF_GPIO85 CONTROL_PADCONF_SPI1_NCS1 - - /* PEN_IRQ pin configuration, PIN = N15 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_GPIO85; - *MuxConfigReg = 0x03; /* Mode = 3, PUPD=Disabled */ + /* PEN_IRQ pin configuration, PIN = N15, Mode = 3, PUPD=Disabled */ + write_config_reg(CONTROL_PADCONF_GPIO85, 3); } /*************************************************************** * Routine: muxSetupGPMC (ostboot) * Description: Configures balls which cam up in protected mode -***************************************************************/ + ***************************************************************/ void muxSetupGPMC(void) { - volatile uint8 *MuxConfigReg; - volatile unsigned int *MCR = (volatile unsigned int *)0x4800008C; - - /* gpmc_io_dir */ - *MCR = 0x19000000; + /* gpmc_io_dir, MCR */ + writel(0x4800008C, 0x19000000); /* NOR FLASH CS0 */ - /* signal - Gpmc_clk; - pin - J4; offset - 0x0088; mode - 0; Byte-3 Pull/up - N/A */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_D2_BYTE3; - *MuxConfigReg = 0x00; - + /* signal - Gpmc_clk; pin - J4; offset - 0x0088; mode 0; Byte-3 */ + write_config_reg(CONTROL_PADCONF_GPMC_D2_BYTE3, 0); /* MPDB(Multi Port Debug Port) CS1 */ - /* signal - gpmc_ncs1; - pin - N8; offset - 0x008C; mode - 0; Byte-1 Pull/up - N/A */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_NCS0_BYTE1; - *MuxConfigReg = 0x00; - - /* signal - Gpmc_ncs2; - pin - E2; offset - 0x008C; mode - 0; Byte-2 Pull/up - N/A */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_NCS0_BYTE2; - *MuxConfigReg = 0x00; - - /* signal - Gpmc_ncs3; - pin - N2; offset - 0x008C; mode - 0; Byte-3 Pull/up - N/A */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_NCS0_BYTE3; - *MuxConfigReg = 0x00; - - MuxConfigReg = (volatile uint8 *)((volatile unsigned char *)0x48000090); - *MuxConfigReg = 0x00; - MuxConfigReg = (volatile uint8 *)((volatile unsigned char *)0x48000091); - *MuxConfigReg = 0x00; - MuxConfigReg = (volatile uint8 *)((volatile unsigned char *)0x48000092); - *MuxConfigReg = 0x00; - MuxConfigReg = (volatile uint8 *)((volatile unsigned char *)0x48000093); - *MuxConfigReg = 0x00; + /* signal - gpmc_ncs1; pin - N8; offset - 0x008D; mode 0; Byte-1 */ + write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE1, 0); + /* signal - Gpmc_ncs2; pin - E2; offset - 0x008E; mode 0; Byte-2 */ + write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE2, 0); + /* signal - Gpmc_ncs3; pin - N2; offset - 0x008F; mode 0; Byte-3 */ + write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE3, 0); + /* signal - Gpmc_ncs4; pin - ??; offset - 0x0090; mode 0; Byte-4 */ + write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE4, 0); + /* signal - Gpmc_ncs5; pin - ??; offset - 0x0091; mode 0; Byte-5 */ + write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE5, 0); + /* signal - Gpmc_ncs6; pin - ??; offset - 0x0092; mode 0; Byte-6 */ + write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE6, 0); + /* signal - Gpmc_ncs7; pin - ??; offset - 0x0093; mode 0; Byte-7 */ + write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE7, 0); } /**************************************************************** - * Routine: muxSetupSDRC (ostboot) + * Routine: muxSetupSDRC (ostboot) * Description: Configures balls which come up in protected mode -****************************************************************/ + ****************************************************************/ void muxSetupSDRC(void) { /* It's set by IPL */ diff --git a/board/apollon/lowlevel_init.S b/board/apollon/lowlevel_init.S index 7676259..f254428 100644 --- a/board/apollon/lowlevel_init.S +++ b/board/apollon/lowlevel_init.S @@ -34,13 +34,13 @@ #define APOLLON_CS0_BASE 0x00000000 #ifdef PRCM_CONFIG_I -# define SDRC_ACTIM_CTRLA_0_VAL 0x7BA35907 -# define SDRC_ACTIM_CTRLB_0_VAL 0x00000013 -# define SDRC_RFR_CTRL_0_VAL 0x00044C01 +#define SDRC_ACTIM_CTRLA_0_VAL 0x7BA35907 +#define SDRC_ACTIM_CTRLB_0_VAL 0x00000013 +#define SDRC_RFR_CTRL_0_VAL 0x00044C01 #elif defined(PRCM_CONFIG_II) -# define SDRC_ACTIM_CTRLA_0_VAL 0x4A59B485 -# define SDRC_ACTIM_CTRLB_0_VAL 0x0000000C -# define SDRC_RFR_CTRL_0_VAL 0x00030001 +#define SDRC_ACTIM_CTRLA_0_VAL 0x4A59B485 +#define SDRC_ACTIM_CTRLB_0_VAL 0x0000000C +#define SDRC_RFR_CTRL_0_VAL 0x00030001 #endif #define SDRAM_BASE_ADDRESS 0x80008000 @@ -56,7 +56,7 @@ lowlevel_init: mov r0, pc, lsr #28 cmp r0, #8 beq prcm_setup - + flash_setup: /* In Flash */ ldr r0, =WD2_BASE @@ -203,7 +203,7 @@ prcm_setup: ldr r1, =0x00000002 str r1, [r0, #0x340] - + ldr r1, =CM_CLKSEL1_CORE #ifdef PRCM_CONFIG_I ldr r2, =0x08300C44 @@ -211,7 +211,7 @@ prcm_setup: ldr r2, =0x04600C26 #endif str r2, [r1] - + ldr r0, =OMAP2420_CM_BASE ldr r1, [r0, #0x084] and r1, r1, #0x01 diff --git a/board/apollon/mem.c b/board/apollon/mem.c index 8154d11..c0edca5 100644 --- a/board/apollon/mem.c +++ b/board/apollon/mem.c @@ -39,20 +39,19 @@ * is necessary until timers are accessible. * * not inline to increase chances its in cache when called -*************************************************************/ + *************************************************************/ void sdelay(unsigned long loops) { - __asm__ volatile ("1:\n" "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0"(loops)); + __asm__("1:\n" "subs %0, %1, #1\n" + "bne 1b":"=r" (loops):"0"(loops)); } -/***************************************************************************** +/******************************************************************** * prcm_init() - inits clocks for PRCM as defined in clocks.h - * (config II default). Called from SRAM, or Flash (using temp SRAM stack). - *****************************************************************************/ -void prcm_init(void) -{ -} + * (config II default). + * -- called from SRAM, or Flash (using temp SRAM stack). + ********************************************************************/ +void prcm_init(void) { } /************************************************************************** * make_cs1_contiguous() - for es2 and above remap cs1 behind cs0 to allow @@ -69,6 +68,7 @@ void make_cs1_contiguous(void) a_add_high = (size & 3) << 8; /* set up low field */ a_add_low = (size & 0x3C) >> 2; /* set up high field */ __raw_writel((a_add_high | a_add_low), SDRC_CS_CFG); + } /******************************************************** @@ -81,13 +81,18 @@ u32 mem_ok(void) u32 val1, val2; u32 pattern = 0x12345678; - __raw_writel(0x0, OMAP2420_SDRC_CS0 + 0x400); /* clear pos A */ - __raw_writel(pattern, OMAP2420_SDRC_CS0); /* pattern to pos B */ - __raw_writel(0x0, OMAP2420_SDRC_CS0 + 4); /* remove pattern off the bus */ - val1 = __raw_readl(OMAP2420_SDRC_CS0 + 0x400); /* get pos A value */ + /* clear pos A */ + __raw_writel(0x0, OMAP2420_SDRC_CS0 + 0x400); + /* pattern to pos B */ + __raw_writel(pattern, OMAP2420_SDRC_CS0); + /* remove pattern off the bus */ + __raw_writel(0x0, OMAP2420_SDRC_CS0 + 4); + /* get pos A value */ + val1 = __raw_readl(OMAP2420_SDRC_CS0 + 0x400); val2 = __raw_readl(OMAP2420_SDRC_CS0); /* get val2 */ - if ((val1 != 0) || (val2 != pattern)) /* see if pos A value changed */ + /* see if pos A value changed */ + if ((val1 != 0) || (val2 != pattern)) return (0); else return (1); @@ -142,9 +147,11 @@ void gpmc_init(void) __raw_writel(0x0, GPMC_IRQENABLE); /* isr's sources masked */ __raw_writel(tval, GPMC_TIMEOUT_CONTROL); /* timeout disable */ #ifdef CFG_NAND_BOOT - __raw_writel(0x001, GPMC_CONFIG); /* set nWP, disable limited addr */ + /* set nWP, disable limited addr */ + __raw_writel(0x001, GPMC_CONFIG); #else - __raw_writel(0x111, GPMC_CONFIG); /* set nWP, disable limited addr */ + /* set nWP, disable limited addr */ + __raw_writel(0x111, GPMC_CONFIG); #endif /* discover bus connection from sysboot */ @@ -164,7 +171,8 @@ void gpmc_init(void) __raw_writel(APOLLON_24XX_GPMC_CONFIG4_3, GPMC_CONFIG4_0); __raw_writel(APOLLON_24XX_GPMC_CONFIG5_3, GPMC_CONFIG5_0); __raw_writel(APOLLON_24XX_GPMC_CONFIG6_3, GPMC_CONFIG6_0); - __raw_writel(APOLLON_24XX_GPMC_CONFIG7_3, GPMC_CONFIG7_0); #else + __raw_writel(APOLLON_24XX_GPMC_CONFIG7_3, GPMC_CONFIG7_0); +#else __raw_writel(APOLLON_24XX_GPMC_CONFIG1_0 | mux | mtype | mwidth, GPMC_CONFIG1_0); __raw_writel(APOLLON_24XX_GPMC_CONFIG2_0, GPMC_CONFIG2_0); @@ -172,7 +180,6 @@ void gpmc_init(void) __raw_writel(APOLLON_24XX_GPMC_CONFIG4_0, GPMC_CONFIG4_0); __raw_writel(APOLLON_24XX_GPMC_CONFIG5_0, GPMC_CONFIG5_0); __raw_writel(APOLLON_24XX_GPMC_CONFIG6_0, GPMC_CONFIG6_0); - /* enable new mapping */ __raw_writel(APOLLON_24XX_GPMC_CONFIG7_0, GPMC_CONFIG7_0); #endif sdelay(2000); diff --git a/board/apollon/mem.h b/board/apollon/mem.h index aed7e1d..5bc96fa 100644 --- a/board/apollon/mem.h +++ b/board/apollon/mem.h @@ -44,15 +44,15 @@ #define APOLLON_242x_SDRC_DLLAB_CTRL_166MHz 0x00000506 #ifdef PRCM_CONFIG_I -# define APOLLON_2420_SDRC_ACTIM_CTRLA_0 APOLLON_242X_SDRC_ACTIM_CTRLA_0_166MHz -# define APOLLON_2420_SDRC_ACTIM_CTRLB_0 APOLLON_242X_SDRC_ACTIM_CTRLB_0_166MHz -# define APOLLON_2420_SDRC_RFR_CTRL APOLLON_242X_SDRC_RFR_CTRL_166MHz -# define APOLLON_2420_SDRC_DLLAB_CTRL APOLLON_242x_SDRC_DLLAB_CTRL_166MHz +#define APOLLON_2420_SDRC_ACTIM_CTRLA_0 APOLLON_242X_SDRC_ACTIM_CTRLA_0_166MHz +#define APOLLON_2420_SDRC_ACTIM_CTRLB_0 APOLLON_242X_SDRC_ACTIM_CTRLB_0_166MHz +#define APOLLON_2420_SDRC_RFR_CTRL APOLLON_242X_SDRC_RFR_CTRL_166MHz +#define APOLLON_2420_SDRC_DLLAB_CTRL APOLLON_242x_SDRC_DLLAB_CTRL_166MHz #elif PRCM_CONFIG_II -# define APOLLON_2420_SDRC_ACTIM_CTRLA_0 APOLLON_242X_SDRC_ACTIM_CTRLA_0_100MHz -# define APOLLON_2420_SDRC_ACTIM_CTRLB_0 APOLLON_242X_SDRC_ACTIM_CTRLB_0_100MHz -# define APOLLON_2420_SDRC_RFR_CTRL APOLLON_242X_SDRC_RFR_CTRL_100MHz -# define APOLLON_2420_SDRC_DLLAB_CTRL APOLLON_242x_SDRC_DLLAB_CTRL_100MHz +#define APOLLON_2420_SDRC_ACTIM_CTRLA_0 APOLLON_242X_SDRC_ACTIM_CTRLA_0_100MHz +#define APOLLON_2420_SDRC_ACTIM_CTRLB_0 APOLLON_242X_SDRC_ACTIM_CTRLB_0_100MHz +#define APOLLON_2420_SDRC_RFR_CTRL APOLLON_242X_SDRC_RFR_CTRL_100MHz +#define APOLLON_2420_SDRC_DLLAB_CTRL APOLLON_242x_SDRC_DLLAB_CTRL_100MHz #endif /* GPMC settings */ diff --git a/board/apollon/sys_info.c b/board/apollon/sys_info.c index 60c35b4..26ac9a2 100644 --- a/board/apollon/sys_info.c +++ b/board/apollon/sys_info.c @@ -39,6 +39,7 @@ static u32 get_prod_id(void) p = __raw_readl(PRODUCTION_ID); /* get production ID */ return ((p & CPU_242X_PID_MASK) >> 16); } + /************************************************************************** * get_cpu_type() - low level get cpu type * - no C globals yet. @@ -68,7 +69,8 @@ u32 get_cpu_type(void) v = __raw_readl(TAP_IDCODE_REG); v &= CPU_24XX_ID_MASK; - if (v == CPU_2420_CHIPID) { /* currently 2420 and 2422 have same id */ + /* currently 2420 and 2422 have same id */ + if (v == CPU_2420_CHIPID) { if (is_gpmc_muxed() == GPMC_MUXED) /* if mux'ed */ return (CPU_2420); else @@ -127,8 +129,7 @@ u32 get_mem_type(void) return (DDR_DISCRETE); /* origional SDP */ } -/********************************************************************** - * +/*********************************************************************** * get_cs0_size() - get size of chip select 0/1 ************************************************************************/ u32 get_sdr_cs_size(u32 offset) @@ -140,8 +141,7 @@ u32 get_sdr_cs_size(u32 offset) return (size); } -/********************************************************************** - * +/*********************************************************************** * get_board_type() - get board type based on current production stats. * --- NOTE: 2 I2C EEPROMs will someday be populated with proper info. * when they are available we can get info from there. This should @@ -149,17 +149,12 @@ u32 get_sdr_cs_size(u32 offset) ************************************************************************/ u32 get_board_type(void) { -#if 0 - if (i2c_probe(I2C_MENELAUS) == 0) - return (BOARD_H4_MENELAUS); - else -#endif - return (BOARD_H4_SDP); + return (BOARD_H4_SDP); } /****************************************************************** * get_sysboot_value() - get init word settings (dip switch on h4) -******************************************************************/ + ******************************************************************/ inline u32 get_sysboot_value(void) { return (0x00000FFF & __raw_readl(CONTROL_STATUS)); @@ -175,7 +170,7 @@ inline u32 get_sysboot_value(void) * -- 4 to flash * -- 8 to enent * -- c to wifi - ***************************************************************************/ + ****************************************************************************/ u32 get_gpmc0_base(void) { u32 b; @@ -231,8 +226,8 @@ u32 get_gpmc0_width(void) * wait_on_value() - common routine to allow waiting for changes in * volatile regs. *********************************************************************/ -u32 wait_on_value(u32 read_bit_mask, u32 match_value, u32 read_addr, -u32 bound) { +u32 wait_on_value(u32 read_bit_mask, u32 match_value, u32 read_addr, u32 bound) +{ u32 i = 0, val; do { ++i; @@ -304,7 +299,8 @@ void display_board_info(u32 btype) } printf("OMAP%s-%s revision %d\n", cpu_s, sec_s, rev - 1); - printf("Samsung Apollon SDP Base Board + %s \n", mem_s); } + printf("Samsung Apollon SDP Base Board + %s \n", mem_s); +} /************************************************************************* * get_board_rev() - setup to pass kernel board revision information @@ -316,9 +312,8 @@ u32 get_board_rev(void) u32 rev = 0; u32 btype = get_board_type(); - if (btype == BOARD_H4_MENELAUS) { + if (btype == BOARD_H4_MENELAUS) rev = 1; - } return (rev); } diff --git a/board/apollon/u-boot.lds b/board/apollon/u-boot.lds index 686d86b..c67cd3c 100644 --- a/board/apollon/u-boot.lds +++ b/board/apollon/u-boot.lds @@ -36,7 +36,7 @@ SECTIONS . = 0x00000000; . = ALIGN(4); - .text : + .text : { cpu/arm1136/start.o (.text) *(.text) @@ -61,4 +61,3 @@ SECTIONS .bss : { *(.bss) } _end = .; } - |