diff options
Diffstat (limited to 'board/nvidia/common/board.c')
| -rw-r--r-- | board/nvidia/common/board.c | 79 |
1 files changed, 22 insertions, 57 deletions
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index 5eca5eb..945141e 100644 --- a/board/nvidia/common/board.c +++ b/board/nvidia/common/board.c @@ -28,6 +28,7 @@ #include <asm/arch/sys_proto.h> #include <asm/arch/clk_rst.h> +#include <asm/arch/clock.h> #include <asm/arch/pinmux.h> #include <asm/arch/uart.h> #include "board.h" @@ -76,33 +77,28 @@ int timer_init(void) static void clock_init_uart(void) { struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; + struct clk_pll *pll = &clkrst->crc_pll[CLOCK_PLL_ID_PERIPH]; u32 reg; - reg = readl(&clkrst->crc_pllp_base); + reg = readl(&pll->pll_base); if (!(reg & PLL_BASE_OVRRIDE)) { /* Override pllp setup for 216MHz operation. */ - reg = (PLL_BYPASS | PLL_BASE_OVRRIDE | PLL_DIVP); - reg |= (((NVRM_PLLP_FIXED_FREQ_KHZ/500) << 8) | PLL_DIVM); - writel(reg, &clkrst->crc_pllp_base); + reg = (PLL_BYPASS | PLL_BASE_OVRRIDE | PLL_DIVP_VALUE); + reg |= (((NVRM_PLLP_FIXED_FREQ_KHZ/500) << 8) | PLL_DIVM_VALUE); + writel(reg, &pll->pll_base); reg |= PLL_ENABLE; - writel(reg, &clkrst->crc_pllp_base); + writel(reg, &pll->pll_base); reg &= ~PLL_BYPASS; - writel(reg, &clkrst->crc_pllp_base); + writel(reg, &pll->pll_base); } /* Now do the UART reset/clock enable */ #if defined(CONFIG_TEGRA2_ENABLE_UARTA) - /* Assert Reset to UART */ - reg = readl(&clkrst->crc_rst_dev_l); - reg |= SWR_UARTA_RST; /* SWR_UARTA_RST = 1 */ - writel(reg, &clkrst->crc_rst_dev_l); - - /* Enable clk to UART */ - reg = readl(&clkrst->crc_clk_out_enb_l); - reg |= CLK_ENB_UARTA; /* CLK_ENB_UARTA = 1 */ - writel(reg, &clkrst->crc_clk_out_enb_l); + /* Assert UART reset and enable clock */ + reset_set_enable(PERIPH_ID_UART1, 1); + clock_enable(PERIPH_ID_UART1); /* Enable pllp_out0 to UART */ reg = readl(&clkrst->crc_clk_src_uarta); @@ -113,20 +109,12 @@ static void clock_init_uart(void) udelay(2); /* De-assert reset to UART */ - reg = readl(&clkrst->crc_rst_dev_l); - reg &= ~SWR_UARTA_RST; /* SWR_UARTA_RST = 0 */ - writel(reg, &clkrst->crc_rst_dev_l); + reset_set_enable(PERIPH_ID_UART1, 0); #endif /* CONFIG_TEGRA2_ENABLE_UARTA */ #if defined(CONFIG_TEGRA2_ENABLE_UARTD) - /* Assert Reset to UART */ - reg = readl(&clkrst->crc_rst_dev_u); - reg |= SWR_UARTD_RST; /* SWR_UARTD_RST = 1 */ - writel(reg, &clkrst->crc_rst_dev_u); - - /* Enable clk to UART */ - reg = readl(&clkrst->crc_clk_out_enb_u); - reg |= CLK_ENB_UARTD; /* CLK_ENB_UARTD = 1 */ - writel(reg, &clkrst->crc_clk_out_enb_u); + /* Assert UART reset and enable clock */ + reset_set_enable(PERIPH_ID_UART4, 1); + clock_enable(PERIPH_ID_UART4); /* Enable pllp_out0 to UART */ reg = readl(&clkrst->crc_clk_src_uartd); @@ -137,9 +125,7 @@ static void clock_init_uart(void) udelay(2); /* De-assert reset to UART */ - reg = readl(&clkrst->crc_rst_dev_u); - reg &= ~SWR_UARTD_RST; /* SWR_UARTD_RST = 0 */ - writel(reg, &clkrst->crc_rst_dev_u); + reset_set_enable(PERIPH_ID_UART4, 0); #endif /* CONFIG_TEGRA2_ENABLE_UARTD */ } @@ -183,16 +169,8 @@ static void clock_init_mmc(void) u32 reg; /* Do the SDMMC resets/clock enables */ - - /* Assert Reset to SDMMC4 */ - reg = readl(&clkrst->crc_rst_dev_l); - reg |= SWR_SDMMC4_RST; /* SWR_SDMMC4_RST = 1 */ - writel(reg, &clkrst->crc_rst_dev_l); - - /* Enable clk to SDMMC4 */ - reg = readl(&clkrst->crc_clk_out_enb_l); - reg |= CLK_ENB_SDMMC4; /* CLK_ENB_SDMMC4 = 1 */ - writel(reg, &clkrst->crc_clk_out_enb_l); + reset_set_enable(PERIPH_ID_SDMMC4, 1); + clock_enable(PERIPH_ID_SDMMC4); /* Enable pllp_out0 to SDMMC4 */ reg = readl(&clkrst->crc_clk_src_sdmmc4); @@ -206,20 +184,10 @@ static void clock_init_mmc(void) */ udelay(2); - /* De-assert reset to SDMMC4 */ - reg = readl(&clkrst->crc_rst_dev_l); - reg &= ~SWR_SDMMC4_RST; /* SWR_SDMMC4_RST = 0 */ - writel(reg, &clkrst->crc_rst_dev_l); - - /* Assert Reset to SDMMC3 */ - reg = readl(&clkrst->crc_rst_dev_u); - reg |= SWR_SDMMC3_RST; /* SWR_SDMMC3_RST = 1 */ - writel(reg, &clkrst->crc_rst_dev_u); + reset_set_enable(PERIPH_ID_SDMMC4, 1); - /* Enable clk to SDMMC3 */ - reg = readl(&clkrst->crc_clk_out_enb_u); - reg |= CLK_ENB_SDMMC3; /* CLK_ENB_SDMMC3 = 1 */ - writel(reg, &clkrst->crc_clk_out_enb_u); + reset_set_enable(PERIPH_ID_SDMMC3, 1); + clock_enable(PERIPH_ID_SDMMC3); /* Enable pllp_out0 to SDMMC4, set divisor to 11 for 20MHz */ reg = readl(&clkrst->crc_clk_src_sdmmc3); @@ -230,10 +198,7 @@ static void clock_init_mmc(void) /* wait for 2us */ udelay(2); - /* De-assert reset to SDMMC3 */ - reg = readl(&clkrst->crc_rst_dev_u); - reg &= ~SWR_SDMMC3_RST; /* SWR_SDMMC3_RST = 0 */ - writel(reg, &clkrst->crc_rst_dev_u); + reset_set_enable(PERIPH_ID_SDMMC3, 0); } /* |