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authorFurquan Shaikh <furquan@google.com>2014-06-24 17:38:03 -0700
committerMarc Jones <marc.jones@se-eng.com>2015-03-04 18:15:44 +0100
commit84bbab9226163cca6ec58e4d5875fea1e53ec3b4 (patch)
tree50c751a94ea8ce33c17a00a02749181ef91a1b50 /src/soc/nvidia/tegra132/dma.h
parenta89accd74ff6b9bdb8d27a0b7d5da9e7e5bd68c9 (diff)
coreboot t132,rush: Add mainboard specific bootblock_init
Pull in mainboard specific bootblock_init function from nyan into rush. Additionally, pull in all files required for proper compilation of rush after adding the bootblock_init function BUG=None BRANCH=None TEST=Compiles successfully for rush Original-Change-Id: I69c736275f66eca3ad92f97d166e91d4c2301364 Original-Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/205583 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org> Original-Tested-by: Furquan Shaikh <furquan@chromium.org> (cherry picked from commit e7aac547026717d7380f71593010e3ea34ecea51) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: Ie26f91f8caaa06af3b195246febcdc70b9fe9795 Reviewed-on: http://review.coreboot.org/8570 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/soc/nvidia/tegra132/dma.h')
-rw-r--r--src/soc/nvidia/tegra132/dma.h190
1 files changed, 190 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra132/dma.h b/src/soc/nvidia/tegra132/dma.h
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index 0000000000..7b07cbc89b
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+++ b/src/soc/nvidia/tegra132/dma.h
@@ -0,0 +1,190 @@
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ * Copyright (C) 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __NVIDIA_TEGRA132_DMA_H__
+#define __NVIDIA_TEGRA132_DMA_H__
+
+#include <inttypes.h>
+#include <soc/addressmap.h>
+
+/*
+ * The DMA engine operates on 4 bytes at a time, so make sure any data
+ * passed via DMA is aligned to avoid underrun/overrun.
+ */
+#define TEGRA_DMA_ALIGN_BYTES 4
+
+/*
+ * Note: Many APB DMA controller registers are laid out such that each
+ * bit controls or represents the status for the corresponding channel.
+ * So we will not bother to list each individual bit in this case.
+ */
+#define APB_COMMAND_GEN (1 << 31)
+
+#define APB_CNTRL_REG_COUNT_VALUE_MASK 0xffff
+#define APB_CNTRL_REG_COUNT_VALUE_SHIFT 0
+
+/*
+ * Note: Many APB DMA controller registers are laid out such that each
+ * bit controls or represents the status for the corresponding channel.
+ * So we will not bother to list each individual bit in this case.
+ */
+#define APB_COMMAND_GEN (1 << 31)
+
+#define APB_CNTRL_REG_COUNT_VALUE_MASK 0xffff
+#define APB_CNTRL_REG_COUNT_VALUE_SHIFT 0
+struct apb_dma {
+ u32 command; /* 0x00 */
+ u32 status; /* 0x04 */
+ u32 rsvd1[2];
+ u32 cntrl_reg; /* 0x10 */
+ u32 irq_sta_cpu; /* 0x14 */
+ u32 irq_sta_cop; /* 0x18 */
+ u32 irq_mask; /* 0x1c */
+ u32 irq_mask_set; /* 0x20 */
+ u32 irq_mask_clr; /* 0x24 */
+ u32 trig_reg; /* 0x28 */
+ u32 channel_trig_reg; /* 0x2c */
+ u32 dma_status; /* 0x30 */
+ u32 channel_en_reg; /* 0x34 */
+ u32 security_reg; /* 0x38 */
+ u32 channel_swid; /* 0x3c */
+ u32 rsvd[1];
+ u32 chan_wt_reg0; /* 0x44 */
+ u32 chan_wt_reg1; /* 0x48 */
+ u32 chan_wt_reg2; /* 0x4c */
+ u32 chan_wr_reg3; /* 0x50 */
+ u32 channel_swid1; /* 0x54 */
+} __attribute__((packed));
+check_member(apb_dma, channel_swid1, 0x54);
+
+/*
+ * Naming in the doc included a superfluous _CHANNEL_n_ for
+ * each entry and was left out for the sake of conciseness.
+ */
+#define APB_CSR_ENB (1 << 31)
+#define APB_CSR_IE_EOC (1 << 30)
+#define APB_CSR_HOLD (1 << 29)
+#define APB_CSR_DIR (1 << 28)
+#define APB_CSR_ONCE (1 << 27)
+#define APB_CSR_FLOW (1 << 21)
+#define APB_CSR_REQ_SEL_MASK 0x1f
+#define APB_CSR_REQ_SEL_SHIFT 16
+
+enum apbdmachan_req_sel {
+ APBDMA_SLAVE_CNTR_REQ = 0,
+ APBDMA_SLAVE_APBIF_CH0 = 1,
+ APBDMA_SLAVE_APBIF_CH1 = 2,
+ APBDMA_SLAVE_APBIF_CH2 = 3,
+ APBDMA_SLAVE_APBIF_CH3 = 4,
+ APBDMA_SLAVE_HSI = 5,
+ APBDMA_SLAVE_APBIF_CH4 = 6,
+ APBDMA_SLAVE_APBIF_CH5 = 7,
+ APBDMA_SLAVE_UART_A = 8,
+ APBDMA_SLAVE_UART_B = 9,
+ APBDMA_SLAVE_UART_C = 10,
+ APBDMA_SLAVE_DTV = 11,
+ APBDMA_SLAVE_APBIF_CH6 = 12,
+ APBDMA_SLAVE_APBIF_CH7 = 13,
+ APBDMA_SLAVE_APBIF_CH8 = 14,
+ APBDMA_SLAVE_SL2B1 = 15,
+ APBDMA_SLAVE_SL2B2 = 16,
+ APBDMA_SLAVE_SL2B3 = 17,
+ APBDMA_SLAVE_SL2B4 = 18,
+ APBDMA_SLAVE_UART_D = 19,
+ APBDMA_SLAVE_UART_E = 20,
+ APBDMA_SLAVE_I2C = 21,
+ APBDMA_SLAVE_I2C2 = 22,
+ APBDMA_SLAVE_I2C3 = 23,
+ APBDMA_SLAVE_DVC_I2C = 24,
+ APBDMA_SLAVE_OWR = 25,
+ APBDMA_SLAVE_I2C4 = 26,
+ APBDMA_SLAVE_SL2B5 = 27,
+ APBDMA_SLAVE_SL2B6 = 28,
+ APBDMA_SLAVE_APBIF_CH9 = 29,
+ APBDMA_SLAVE_I2C6 = 30,
+ APBDMA_SLAVE_NA31 = 31,
+};
+
+#define APB_STA_BSY (1 << 31)
+#define APB_STA_ISE_EOC (1 << 30)
+#define APB_STA_HALT (1 << 29)
+#define APB_STA_PING_PONG_STA (1 << 28)
+#define APB_STA_DMA_ACTIVITY (1 << 27)
+#define APB_STA_CHANNEL_PAUSE (1 << 26)
+
+#define APB_CSRE_CHANNEL_PAUSE (1 << 31)
+#define APB_CSRE_TRIG_SEL_MASK 0x3f
+#define APB_CSRE_TRIG_SEL_SHIFT 14
+
+#define AHB_PTR_MASK (0x3fffffff)
+#define AHB_PTR_SHIFT 2
+
+#define AHB_SEQ_INTR_ENB (1 << 31)
+#define AHB_BUS_WIDTH_MASK 0x7
+#define AHB_BUS_WIDTH_SHIFT 28
+#define AHB_DATA_SWAP (1 << 27)
+#define AHB_BURST_MASK 0x7
+#define AHB_BURST_SHIFT 24
+#define AHB_SEQ_DBL_BUF (1 << 19)
+#define AHB_SEQ_WRAP_MASK 0x7
+#define AHB_SEQ_WRAP_SHIFT 16
+
+#define APB_PTR_MASK 0x3fffffff
+#define APB_PTR_SHIFT 2
+
+#define APB_BUS_WIDTH_MASK 0x7
+#define APB_BUS_WIDTH_SHIFT 28
+#define APB_DATA_SWAP (1 << 27)
+#define APB_ADDR_WRAP_MASK 0x7
+#define APB_ADDR_WRAP_SHIFT 16
+
+#define APB_WORD_TRANSFER_MASK 0x0fffffff
+#define APB_WORD_TRANSFER_SHIFT 2
+
+struct apb_dma_channel_regs {
+ u32 csr; /* 0x00 */
+ u32 sta; /* 0x04 */
+ u32 dma_byte_sta; /* 0x08 */
+ u32 csre; /* 0x0c */
+ u32 ahb_ptr; /* 0x10 */
+ u32 ahb_seq; /* 0x14 */
+ u32 apb_ptr; /* 0x18 */
+ u32 apb_seq; /* 0x1c */
+ u32 wcount; /* 0x20 */
+ u32 word_transfer; /* 0x24 */
+} __attribute__((packed));
+check_member(apb_dma_channel_regs, word_transfer, 0x24);
+
+struct apb_dma_channel {
+ const int num;
+ struct apb_dma_channel_regs *regs;
+
+ /*
+ * Basic high-level semaphore that can be used to "claim"
+ * a DMA channel e.g. by SPI, I2C, or other peripheral driver.
+ */
+ int in_use;
+};
+
+struct apb_dma_channel * const dma_claim(void);
+void dma_release(struct apb_dma_channel * const channel);
+int dma_start(struct apb_dma_channel * const channel);
+int dma_stop(struct apb_dma_channel * const channel);
+int dma_busy(struct apb_dma_channel * const channel);
+
+#endif /* __NVIDIA_TEGRA132_DMA_H__ */