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@ -37,6 +37,11 @@ |
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#endif |
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#define PANDA_ULPI_PHY_TYPE_GPIO 182 |
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#define PANDA_BOARD_ID_1_GPIO 101 |
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#define PANDA_ES_BOARD_ID_1_GPIO 48 |
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#define PANDA_BOARD_ID_2_GPIO 171 |
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#define PANDA_ES_BOARD_ID_3_GPIO 3 |
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#define PANDA_ES_BOARD_ID_4_GPIO 2 |
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DECLARE_GLOBAL_DATA_PTR; |
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@ -66,6 +71,73 @@ int board_eth_init(bd_t *bis) |
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return 0; |
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} |
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/*
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* Routine: get_board_revision |
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* Description: Detect if we are running on a panda revision A1-A6, |
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* or an ES panda board. This can be done by reading |
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* the level of GPIOs and checking the processor revisions. |
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* This should result in: |
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* Panda 4430: |
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* GPIO171, GPIO101, GPIO182: 0 1 1 => A1-A5 |
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* GPIO171, GPIO101, GPIO182: 1 0 1 => A6 |
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* Panda ES: |
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* GPIO2, GPIO3, GPIO171, GPIO48, GPIO182: 0 0 0 1 1 => B1/B2 |
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* GPIO2, GPIO3, GPIO171, GPIO48, GPIO182: 0 0 1 1 1 => B3 |
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*/ |
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int get_board_revision(void) |
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{ |
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int board_id0, board_id1, board_id2; |
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int board_id3, board_id4; |
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int board_id; |
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int processor_rev = omap_revision(); |
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/* Setup the mux for the common board ID pins (gpio 171 and 182) */ |
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writew((IEN | M3), (*ctrl)->control_padconf_core_base + UNIPRO_TX0); |
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writew((IEN | M3), (*ctrl)->control_padconf_core_base + FREF_CLK2_OUT); |
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board_id0 = gpio_get_value(PANDA_ULPI_PHY_TYPE_GPIO); |
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board_id2 = gpio_get_value(PANDA_BOARD_ID_2_GPIO); |
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if ((processor_rev >= OMAP4460_ES1_0 && |
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processor_rev <= OMAP4460_ES1_1)) { |
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/*
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* Setup the mux for the ES specific board ID pins (gpio 101, |
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* 2 and 3. |
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*/ |
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writew((IEN | M3), (*ctrl)->control_padconf_core_base + |
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GPMC_A24); |
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writew((IEN | M3), (*ctrl)->control_padconf_core_base + |
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UNIPRO_RY0); |
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writew((IEN | M3), (*ctrl)->control_padconf_core_base + |
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UNIPRO_RX1); |
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board_id1 = gpio_get_value(PANDA_ES_BOARD_ID_1_GPIO); |
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board_id3 = gpio_get_value(PANDA_ES_BOARD_ID_3_GPIO); |
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board_id4 = gpio_get_value(PANDA_ES_BOARD_ID_4_GPIO); |
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#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG |
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setenv("board_name", strcat(CONFIG_SYS_BOARD, "-es")); |
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#endif |
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board_id = ((board_id4 << 4) | (board_id3 << 3) | |
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(board_id2 << 2) | (board_id1 << 1) | (board_id0)); |
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} else { |
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/* Setup the mux for the Ax specific board ID pins (gpio 101) */ |
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writew((IEN | M3), (*ctrl)->control_padconf_core_base + |
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FREF_CLK2_OUT); |
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board_id1 = gpio_get_value(PANDA_BOARD_ID_1_GPIO); |
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board_id = ((board_id2 << 2) | (board_id1 << 1) | (board_id0)); |
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#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG |
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if ((board_id >= 0x3) && (processor_rev == OMAP4430_ES2_3)) |
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setenv("board_name", strcat(CONFIG_SYS_BOARD, "-a4")); |
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#endif |
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} |
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return board_id; |
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} |
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/**
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* @brief misc_init_r - Configure Panda board specific configurations |
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* such as power configurations, ethernet initialization as phase2 of |
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@ -82,11 +154,7 @@ int misc_init_r(void) |
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if (omap_revision() == OMAP4430_ES1_0) |
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return 0; |
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#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG |
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if (omap_revision() >= OMAP4460_ES1_0 || |
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omap_revision() <= OMAP4460_ES1_1) |
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setenv("board_name", strcat(CONFIG_SYS_BOARD, "-es")); |
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#endif |
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get_board_revision(); |
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gpio_direction_input(PANDA_ULPI_PHY_TYPE_GPIO); |
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phy_type = gpio_get_value(PANDA_ULPI_PHY_TYPE_GPIO); |
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@ -106,7 +174,7 @@ int misc_init_r(void) |
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auxclk |= AUXCLK_ENABLE_MASK; |
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writel(auxclk, &scrm->auxclk3); |
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} else { |
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} else { |
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/* ULPI PHY supplied by auxclk1 derived from PER dpll */ |
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debug("ULPI PHY supplied by auxclk1\n"); |
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@ -151,9 +219,9 @@ void set_muxconf_regs_essential(void) |
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if (omap_revision() >= OMAP4460_ES1_0) |
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do_set_mux((*ctrl)->control_padconf_wkup_base, |
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wkup_padconf_array_essential_4460, |
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sizeof(wkup_padconf_array_essential_4460) / |
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sizeof(struct pad_conf_entry)); |
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wkup_padconf_array_essential_4460, |
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sizeof(wkup_padconf_array_essential_4460) / |
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sizeof(struct pad_conf_entry)); |
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} |
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void set_muxconf_regs_non_essential(void) |
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@ -165,14 +233,14 @@ void set_muxconf_regs_non_essential(void) |
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if (omap_revision() < OMAP4460_ES1_0) |
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do_set_mux((*ctrl)->control_padconf_core_base, |
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core_padconf_array_non_essential_4430, |
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sizeof(core_padconf_array_non_essential_4430) / |
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sizeof(struct pad_conf_entry)); |
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core_padconf_array_non_essential_4430, |
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sizeof(core_padconf_array_non_essential_4430) / |
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sizeof(struct pad_conf_entry)); |
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else |
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do_set_mux((*ctrl)->control_padconf_core_base, |
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core_padconf_array_non_essential_4460, |
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sizeof(core_padconf_array_non_essential_4460) / |
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sizeof(struct pad_conf_entry)); |
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core_padconf_array_non_essential_4460, |
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sizeof(core_padconf_array_non_essential_4460) / |
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sizeof(struct pad_conf_entry)); |
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do_set_mux((*ctrl)->control_padconf_wkup_base, |
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wkup_padconf_array_non_essential, |
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@ -181,9 +249,9 @@ void set_muxconf_regs_non_essential(void) |
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if (omap_revision() < OMAP4460_ES1_0) |
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do_set_mux((*ctrl)->control_padconf_wkup_base, |
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wkup_padconf_array_non_essential_4430, |
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sizeof(wkup_padconf_array_non_essential_4430) / |
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sizeof(struct pad_conf_entry)); |
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wkup_padconf_array_non_essential_4430, |
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sizeof(wkup_padconf_array_non_essential_4430) / |
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sizeof(struct pad_conf_entry)); |
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} |
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#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) |
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