diff options
Diffstat (limited to 'board/nvidia/common/board.c')
| -rw-r--r-- | board/nvidia/common/board.c | 119 |
1 files changed, 35 insertions, 84 deletions
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index 8ab9440..160dac8 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); - if (!(reg & PLL_BASE_OVRRIDE)) { + reg = readl(&pll->pll_base); + if (!(reg & PLL_BASE_OVRRIDE_MASK)) { /* 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_MASK | PLL_BASE_OVRRIDE_MASK | + (1 << PLL_DIVP_SHIFT) | (0xc << PLL_DIVM_SHIFT); + reg |= (NVRM_PLLP_FIXED_FREQ_KHZ / 500) << PLL_DIVN_SHIFT; + writel(reg, &pll->pll_base); - reg |= PLL_ENABLE; - writel(reg, &clkrst->crc_pllp_base); + reg |= PLL_ENABLE_MASK; + writel(reg, &pll->pll_base); - reg &= ~PLL_BYPASS; - writel(reg, &clkrst->crc_pllp_base); + reg &= ~PLL_BYPASS_MASK; + 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 */ } @@ -157,19 +143,15 @@ static void pin_mux_uart(void) reg &= 0xFFF0FFFF; /* IRRX_/IRTX_SEL [19:16] = 00 UARTA */ writel(reg, &pmt->pmt_ctl_c); - reg = readl(&pmt->pmt_tri_a); - reg &= ~Z_IRRX; /* Z_IRRX = normal (0) */ - reg &= ~Z_IRTX; /* Z_IRTX = normal (0) */ - writel(reg, &pmt->pmt_tri_a); + pinmux_tristate_disable(PIN_IRRX); + pinmux_tristate_disable(PIN_IRTX); #endif /* CONFIG_TEGRA2_ENABLE_UARTA */ #if defined(CONFIG_TEGRA2_ENABLE_UARTD) reg = readl(&pmt->pmt_ctl_b); reg &= 0xFFFFFFF3; /* GMC_SEL [3:2] = 00, UARTD */ writel(reg, &pmt->pmt_ctl_b); - reg = readl(&pmt->pmt_tri_a); - reg &= ~Z_GMC; /* Z_GMC = normal (0) */ - writel(reg, &pmt->pmt_tri_a); + pinmux_tristate_disable(PIN_GMC); #endif /* CONFIG_TEGRA2_ENABLE_UARTD */ } @@ -183,16 +165,8 @@ 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 +180,10 @@ 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 +194,7 @@ 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); } /* @@ -257,13 +218,9 @@ static void pin_mux_mmc(void) reg |= (3 << 0); /* GME_SEL [1:0] = 11 SDIO4 */ writel(reg, &pmt->pmt_ctl_d); - reg = readl(&pmt->pmt_tri_a); - reg &= ~Z_ATB; /* Z_ATB = normal (0) */ - reg &= ~Z_GMA; /* Z_GMA = normal (0) */ - writel(reg, &pmt->pmt_tri_a); - reg = readl(&pmt->pmt_tri_b); - reg &= ~Z_GME; /* Z_GME = normal (0) */ - writel(reg, &pmt->pmt_tri_b); + pinmux_tristate_disable(PIN_ATB); + pinmux_tristate_disable(PIN_GMA); + pinmux_tristate_disable(PIN_GME); /* SDMMC3 */ /* SDIO3_CLK, SDIO3_CMD, SDIO3_DAT[3:0] */ @@ -274,13 +231,9 @@ static void pin_mux_mmc(void) reg |= (2 << 14); /* SDD_SEL [15:14] = 01 SDIO3 */ writel(reg, &pmt->pmt_ctl_d); - reg = readl(&pmt->pmt_tri_b); - reg &= ~Z_SDC; /* Z_SDC = normal (0) */ - reg &= ~Z_SDD; /* Z_SDD = normal (0) */ - writel(reg, &pmt->pmt_tri_b); - reg = readl(&pmt->pmt_tri_d); - reg &= ~Z_SDB; /* Z_SDB = normal (0) */ - writel(reg, &pmt->pmt_tri_d); + pinmux_tristate_disable(PIN_SDC); + pinmux_tristate_disable(PIN_SDD); + pinmux_tristate_disable(PIN_SDB); } /* @@ -318,8 +271,6 @@ int board_init(void) { /* boot param addr */ gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100); - /* board id for Linux */ - gd->bd->bi_arch_number = CONFIG_MACH_TYPE; return 0; } |