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| author | Wolfgang Denk <wd@denx.de> | 2011-10-28 00:15:19 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-10-28 00:15:19 +0200 |
| commit | 87a5d601031652293ec4b729fdb7ee01bbd940a8 (patch) | |
| tree | 91ede3ee45b228736c1876a700024782d7bc2032 /board/nvidia/common/board.c | |
| parent | 606a76f8ef479e42ae4d06f8f3ce87e9a1c72acf (diff) | |
| parent | 37fc0ed268dc5acacd3a83adafa26eb1a84e90af (diff) | |
| download | olio-uboot-2014.01-87a5d601031652293ec4b729fdb7ee01bbd940a8.tar.xz olio-uboot-2014.01-87a5d601031652293ec4b729fdb7ee01bbd940a8.zip | |
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm:
ARM: Add Calxeda Highbank platform
dkb: make mmc command as default enabled
Marvell: dkb: add mmc support
ARM: pantheon: add mmc definition
davinci: remove config.mk file from the sources
ARM:AM33XX: Add support for TI AM335X EVM
ARM:AM33XX: Added timer support
ARM:AM33XX: Add emif/ddr support
ARM:AM33XX: Add clock definitions
ARM:AM33XX: Added support for AM33xx
omap3/emif4: fix registers definition
davinci: remove obsolete macro CONFIG_EMAC_MDIO_PHY_NUM
davinci: emac: add support for more than 1 PHYs
davinci: emac: add new features to autonegotiate for EMAC
da850evm: Move LPSC configuration to board_early_init_f()
omap4_panda: Build in cmd_gpio support on panda
omap: Don't use gpio_free to change direction to input
mmc: omap: Allow OMAP_HSMMC[23]_BASE to be unset
OMAP3: overo : Add environment variable optargs to bootargs
OMAP3: overo: Move ethernet CS4 configuration to execute based on board id
OMAP3: overo : Use ttyO2 instead of ttyS2.
da830: add support for NAND boot mode
dm36x: revert cache disable patch
dm644X: revert cache disable patch
devkit8000: Add malloc space
omap: spl: fix build break due to changes in FAT
OMAP3 SPL: Provide weak omap_rev_string
omap: beagle: Use ubifs instead of jffs2 for nand boot
omap: overo: Disable pull-ups on camera PCLK, HS and VS signals
omap: overo: Configure mux for gpio10
SPL: Add DMA library
omap3: Add interface for omap3 DMA
omap3: Add DMA register accessors
omap3: Add Base register for DMA
arm, davinci: add missing LSPC define for MMC/SD1
U-Boot/SPL: omap4: Make ddr pre-calculated timings as default.
DaVinci: correct MDSTAT.STATE mask
omap4: splitting padconfs into common, 4430 and 4460
omap4: adding revision detection for 4460 ES1.1
omap4: replacing OMAP4_CONTROL with OMAP4430_CONTROL
gplug: fixed build error as a result of code cleanup patch
kirkwood_spi: add dummy spi_init()
gpio: mvmfp: reduce include platform file
ARM: orion5x: reduce dependence of including platform file
serial: reduce include platform file for marvell chip
ARM: kirkwood: reduce dependence of including platform file
ARM: armada100: reduce dependence of including platform file
ARM: pantheon: reduce dependence of including platform file
Armada100: Add env storage support for Marvell gplugD
Armada100: Add SPI flash support for Marvell gplugD
Armada100: Add SPI support for Marvell gplugD
SPI: Add SPI driver support for Marvell Armada100
dreamplug: initial board support.
imx: fix coding style
misc: pmic: drop old Freescale's pmic driver
MX31: mx31pdk: use new pmic driver
MX31: mx31ads: use new pmic driver
MX31: mx31_litekit: use new pmic driver
MX5: mx53evk: use new pmic driver
MX5: mx51evk: use new pmic driver
MX35: mx35pdk: use new pmic driver
misc: pmic: addI2C support to pmic_fsl driver
misc: pmic: use I2C_SET_BUS in pmic I2C
MX5: efikamx/efikasb: use new pmic driver
MX3: qong: use new pmic driver
RTC: Switch mc13783 to generic pmic code
MX5: vision2: use new pmic driver
misc: pmic: Freescale PMIC switches to generic PMIC driver
misc:pmic:samsung Enable PMIC driver at GONI target
misc:pmic:max8998 MAX8998 support at a new PMIC driver.
misc:pmic:core New generic PMIC driver
mx31pdk: Remove unneeded config
mx31: provide readable WEIM CS accessor
MX51: vision2: Set global macros
I2C: Add i2c_get/set_speed() to mxc_i2c.c
ARM: Update mach-types
devkit8000: Add config to enable SPL MMC boot
devkit8000: protect board_mmc_init
arm, post: add missing post_time_ms for arm
cosmetic, post: Codingstyle cleanup
arm, logbuffer: make it compileclean
tegra2: Enable MMC for Seaboard
tegra2: Add more pinmux functions
tegra2: Rename PIN_ to PINGRP_
tegra2: Add more clock functions
tegra2: Clean up board code a little
tegra2: Rename CLOCK_PLL_ID to CLOCK_ID
Diffstat (limited to 'board/nvidia/common/board.c')
| -rw-r--r-- | board/nvidia/common/board.c | 237 |
1 files changed, 62 insertions, 175 deletions
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index 160dac8e1..d13537d16 100644 --- a/board/nvidia/common/board.c +++ b/board/nvidia/common/board.c @@ -43,24 +43,6 @@ const struct tegra2_sysinfo sysinfo = { CONFIG_TEGRA2_BOARD_STRING }; -#ifdef CONFIG_BOARD_EARLY_INIT_F -int board_early_init_f(void) -{ - /* Initialize periph clocks */ - clock_init(); - - /* Initialize periph pinmuxes */ - pinmux_init(); - - /* Initialize periph GPIOs */ - gpio_init(); - - /* Init UART, scratch regs, and start CPU */ - tegra2_start(); - return 0; -} -#endif /* EARLY_INIT */ - /* * Routine: timer_init * Description: init the timestamp and lastinc value @@ -70,62 +52,31 @@ int timer_init(void) return 0; } -/* - * Routine: clock_init_uart - * Description: init the PLL and clock for the UART(s) - */ -static void clock_init_uart(void) +static void enable_uart(enum periph_id pid) { - 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(&pll->pll_base); - if (!(reg & PLL_BASE_OVRRIDE_MASK)) { - /* Override pllp setup for 216MHz operation. */ - 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_MASK; - writel(reg, &pll->pll_base); - - reg &= ~PLL_BYPASS_MASK; - writel(reg, &pll->pll_base); - } - -#if defined(CONFIG_TEGRA2_ENABLE_UARTA) /* 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); - reg &= 0x3FFFFFFF; /* UARTA_CLK_SRC = 00, PLLP_OUT0 */ - writel(reg, &clkrst->crc_clk_src_uarta); + reset_set_enable(pid, 1); + clock_enable(pid); + clock_ll_set_source(pid, 0); /* UARTx_CLK_SRC = 00, PLLP_OUT0 */ /* wait for 2us */ udelay(2); /* De-assert reset to UART */ - reset_set_enable(PERIPH_ID_UART1, 0); + reset_set_enable(pid, 0); +} + +/* + * Routine: clock_init_uart + * Description: init the PLL and clock for the UART(s) + */ +static void clock_init_uart(void) +{ +#if defined(CONFIG_TEGRA2_ENABLE_UARTA) + enable_uart(PERIPH_ID_UART1); #endif /* CONFIG_TEGRA2_ENABLE_UARTA */ #if defined(CONFIG_TEGRA2_ENABLE_UARTD) - /* 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); - reg &= 0x3FFFFFFF; /* UARTD_CLK_SRC = 00, PLLP_OUT0 */ - writel(reg, &clkrst->crc_clk_src_uartd); - - /* wait for 2us */ - udelay(2); - - /* De-assert reset to UART */ - reset_set_enable(PERIPH_ID_UART4, 0); + enable_uart(PERIPH_ID_UART4); #endif /* CONFIG_TEGRA2_ENABLE_UARTD */ } @@ -135,66 +86,29 @@ static void clock_init_uart(void) */ static void pin_mux_uart(void) { - struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; - u32 reg; - #if defined(CONFIG_TEGRA2_ENABLE_UARTA) - reg = readl(&pmt->pmt_ctl_c); - reg &= 0xFFF0FFFF; /* IRRX_/IRTX_SEL [19:16] = 00 UARTA */ - writel(reg, &pmt->pmt_ctl_c); + pinmux_set_func(PINGRP_IRRX, PMUX_FUNC_UARTA); + pinmux_set_func(PINGRP_IRTX, PMUX_FUNC_UARTA); - pinmux_tristate_disable(PIN_IRRX); - pinmux_tristate_disable(PIN_IRTX); + pinmux_tristate_disable(PINGRP_IRRX); + pinmux_tristate_disable(PINGRP_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); + pinmux_set_func(PINGRP_GMC, PMUX_FUNC_UARTD); - pinmux_tristate_disable(PIN_GMC); + pinmux_tristate_disable(PINGRP_GMC); #endif /* CONFIG_TEGRA2_ENABLE_UARTD */ } +#ifdef CONFIG_TEGRA2_MMC /* * Routine: clock_init_mmc * Description: init the PLL and clocks for the SDMMC controllers */ static void clock_init_mmc(void) { - struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; - u32 reg; - - /* Do the SDMMC resets/clock enables */ - reset_set_enable(PERIPH_ID_SDMMC4, 1); - clock_enable(PERIPH_ID_SDMMC4); - - /* Enable pllp_out0 to SDMMC4 */ - reg = readl(&clkrst->crc_clk_src_sdmmc4); - reg &= 0x3FFFFF00; /* SDMMC4_CLK_SRC = 00, PLLP_OUT0 */ - reg |= (10 << 1); /* n-1, 11-1 shl 1 */ - writel(reg, &clkrst->crc_clk_src_sdmmc4); - - /* - * As per the Tegra2 TRM, section 5.3.4: - * 'Wait 2 us for the clock to flush through the pipe/logic' - */ - udelay(2); - - reset_set_enable(PERIPH_ID_SDMMC4, 1); - - 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); - reg &= 0x3FFFFF00; /* SDMMC3_CLK_SRC = 00, PLLP_OUT0 */ - reg |= (10 << 1); /* n-1, 11-1 shl 1 */ - writel(reg, &clkrst->crc_clk_src_sdmmc3); - - /* wait for 2us */ - udelay(2); - - reset_set_enable(PERIPH_ID_SDMMC3, 0); + clock_start_periph_pll(PERIPH_ID_SDMMC4, CLOCK_ID_PERIPH, 20000000); + clock_start_periph_pll(PERIPH_ID_SDMMC3, CLOCK_ID_PERIPH, 20000000); } /* @@ -203,65 +117,25 @@ static void clock_init_mmc(void) */ static void pin_mux_mmc(void) { - struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; - u32 reg; - - /* SDMMC4 */ - /* config 2, x8 on 2nd set of pins */ - reg = readl(&pmt->pmt_ctl_a); - reg |= (3 << 16); /* ATB_SEL [17:16] = 11 SDIO4 */ - writel(reg, &pmt->pmt_ctl_a); - reg = readl(&pmt->pmt_ctl_b); - reg |= (3 << 0); /* GMA_SEL [1:0] = 11 SDIO4 */ - writel(reg, &pmt->pmt_ctl_b); - reg = readl(&pmt->pmt_ctl_d); - reg |= (3 << 0); /* GME_SEL [1:0] = 11 SDIO4 */ - writel(reg, &pmt->pmt_ctl_d); + /* SDMMC4: config 3, x8 on 2nd set of pins */ + pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4); + pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4); + pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4); - pinmux_tristate_disable(PIN_ATB); - pinmux_tristate_disable(PIN_GMA); - pinmux_tristate_disable(PIN_GME); - - /* SDMMC3 */ - /* SDIO3_CLK, SDIO3_CMD, SDIO3_DAT[3:0] */ - reg = readl(&pmt->pmt_ctl_d); - reg &= 0xFFFF03FF; - reg |= (2 << 10); /* SDB_SEL [11:10] = 01 SDIO3 */ - reg |= (2 << 12); /* SDC_SEL [13:12] = 01 SDIO3 */ - reg |= (2 << 14); /* SDD_SEL [15:14] = 01 SDIO3 */ - writel(reg, &pmt->pmt_ctl_d); - - pinmux_tristate_disable(PIN_SDC); - pinmux_tristate_disable(PIN_SDD); - pinmux_tristate_disable(PIN_SDB); -} + pinmux_tristate_disable(PINGRP_ATB); + pinmux_tristate_disable(PINGRP_GMA); + pinmux_tristate_disable(PINGRP_GME); -/* - * Routine: clock_init - * Description: Do individual peripheral clock reset/enables - */ -void clock_init(void) -{ - clock_init_uart(); -} + /* SDMMC3: SDIO3_CLK, SDIO3_CMD, SDIO3_DAT[3:0] */ + pinmux_set_func(PINGRP_SDB, PMUX_FUNC_SDIO3); + pinmux_set_func(PINGRP_SDC, PMUX_FUNC_SDIO3); + pinmux_set_func(PINGRP_SDD, PMUX_FUNC_SDIO3); -/* - * Routine: pinmux_init - * Description: Do individual peripheral pinmux configs - */ -void pinmux_init(void) -{ - pin_mux_uart(); -} - -/* - * Routine: gpio_init - * Description: Do individual peripheral GPIO configs - */ -void gpio_init(void) -{ - gpio_config_uart(); + pinmux_tristate_disable(PINGRP_SDC); + pinmux_tristate_disable(PINGRP_SDD); + pinmux_tristate_disable(PINGRP_SDB); } +#endif /* * Routine: board_init @@ -269,6 +143,9 @@ void gpio_init(void) */ int board_init(void) { + clock_init(); + clock_verify(); + /* boot param addr */ gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100); @@ -283,6 +160,7 @@ int board_mmc_init(bd_t *bd) /* Enable clocks, muxes, etc. for SDMMC controllers */ clock_init_mmc(); pin_mux_mmc(); + gpio_config_mmc(); debug("board_mmc_init: init eMMC\n"); /* init dev 0, eMMC chip, with 4-bit bus */ @@ -294,16 +172,25 @@ int board_mmc_init(bd_t *bd) return 0; } +#endif -/* this is a weak define that we are overriding */ -int board_mmc_getcd(u8 *cd, struct mmc *mmc) +#ifdef CONFIG_BOARD_EARLY_INIT_F +int board_early_init_f(void) { - debug("board_mmc_getcd called\n"); - /* - * Hard-code CD presence for now. Need to add GPIO inputs - * for Seaboard & Harmony (& Kaen/Aebl/Wario?) - */ - *cd = 1; + /* Initialize essential common plls */ + clock_early_init(); + + /* Initialize UART clocks */ + clock_init_uart(); + + /* Initialize periph pinmuxes */ + pin_mux_uart(); + + /* Initialize periph GPIOs */ + gpio_config_uart(); + + /* Init UART, scratch regs, and start CPU */ + tegra2_start(); return 0; } -#endif +#endif /* EARLY_INIT */ |