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path: root/src/mainboard/google/gru/bootblock.c
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2016-05-09google/gru: enable pp1500 and pp3000 rails as soon as possibleVadim Bendebury
The idea is that they stay low unless we know that we booted from SPI flash. As this code runs in SPI flash - it is ok to turn these rails on as soon as possible, and pp3000 rail it is essential for UART to work. Kevin rev1 and Gru designs are going to be using these pins to control these rails. Kevin rev1 had those GPIO pins routed to two chip enable signals, it is save to assert them high. BRANCH=none BUG=chrome-os-partner:51537 TEST=kevin rev0 still boots (which does not prove much) TEST=run coreboot on kevin rev1 to kernel Change-Id: I5f3eb4cf5d6f04a0253574dd8b5c039eab0bae1a Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 987042246672e9391087dbd5060785a379dde131 Original-Change-Id: I31bb03334ad9e3aa57db726fb43dec85014a3f05 Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/341543 Original-Tested-by: Shunqian Zheng <zhengsq@rock-chips.com> Reviewed-on: https://review.coreboot.org/14729 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2016-05-09google/gru: select 1.8V as gpio2ab io domainLin Huang
On kevin board, both the gpio2ab's io domain APIO2_VDDPST and APIO2_VDD are 1.8V. So gpio2ab can only output 1.8V. BRANCH=none BUG=chrome-os-partner:52510 TEST=Apply this patch, CPU1_SDIO_PWREN(GPIO2_A2) can output 1.8V Change-Id: Iefe58cf5ad83a8e79916ad177d148c1036283668 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 9c4afee265f3f31c1defee08cb89ab3e45ff8d1a Original-Change-Id: I0216c8efb7ef9256b878adeeee0a52335bf69f93 Original-Signed-off-by: Lin Huang <hl@rock-chips.com> Original-Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com> Original-Reviewed-on: https://chromium-review.googlesource.com/337194 Original-Commit-Ready: Vadim Bendebury <vbendeb@chromium.org> Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org> Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: https://review.coreboot.org/14726 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2016-05-09rockchip: rk3399: add spi clock driverShunqian Zheng
This patch implements spi clock driver and initialize SPI flash rom for the baseboard gru. There are 6 on-chip SPI controllers inside RK3399. For SPI3, it's source clk from ppll, while the others from gpll. Please refer to CRU session of TRM for detail. BRANCH=none BUG=chrome-os-partner:51537 TEST=emerge-kevin coreboot Change-Id: I597ae2cc8ba1bfaefdfbf6116027d009daa8e049 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 4c6a9b0aedd427727ed4f4a821c5c54fb3a174b9 Original-Change-Id: I68ad859bf4fc5dacaaee5a2cd33418c729cf39b8 Original-Signed-off-by: huang lin <hl@rock-chips.com> Original-Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com> Original-Reviewed-on: https://chromium-review.googlesource.com/338946 Original-Commit-Ready: Vadim Bendebury <vbendeb@chromium.org> Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org> Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: https://review.coreboot.org/14710 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2016-05-09google/gru: enable uart2 if configuredShunqian Zheng
This patch select gpio pins for UART2 which is the default debug port of rk3399. Please refer to TRM V0.3 Part1 Page 325,395 for GRF details. BRANCH=none BUG=chrome-os-partner:51537 TEST=check logs from console manually Change-Id: I91eeadd543e7e895c3972d8dd7a2195c9d78968b Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 0c51955e18d4ff9cd3208697666af4fa77046e0f Original-Change-Id: I960178628f4020a59d100f2f0b2a6be487892549 Original-Signed-off-by: hunag lin <hl@rock-chips.com> Original-Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com> Original-Reviewed-on: https://chromium-review.googlesource.com/338945 Original-Commit-Ready: Vadim Bendebury <vbendeb@chromium.org> Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org> Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: https://review.coreboot.org/14709 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2016-04-16google/gru: Add a stub rk3399 mainboardhuang lin
Most things still need to be filled in, but this will allow us to build boards which use this SOC. [pg: separated out from the combined commit that added both SoC and board. Added board_info.txt that will be added downstream, too.] Change-Id: I7facce7b98a5d19fb77746b1aee67fff74da8150 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 27dfc39efe95025be2271e2e00e9df93b7907840 Original-Change-Id: I6f2407ff578dcd3d0daed86dd03d8f5f4edcac53 Original-Signed-off-by: huang lin <hl@rock-chips.com> Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/332385 Reviewed-on: https://review.coreboot.org/14279 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>