diff options
Diffstat (limited to 'recipes-bsp/barebox/barebox-2012.02.0/imx53qsb/0006-mx53-loco-add-board-revision-support.patch')
-rw-r--r-- | recipes-bsp/barebox/barebox-2012.02.0/imx53qsb/0006-mx53-loco-add-board-revision-support.patch | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/recipes-bsp/barebox/barebox-2012.02.0/imx53qsb/0006-mx53-loco-add-board-revision-support.patch b/recipes-bsp/barebox/barebox-2012.02.0/imx53qsb/0006-mx53-loco-add-board-revision-support.patch deleted file mode 100644 index 0a08427..0000000 --- a/recipes-bsp/barebox/barebox-2012.02.0/imx53qsb/0006-mx53-loco-add-board-revision-support.patch +++ /dev/null @@ -1,104 +0,0 @@ -From 99324818889fb34c36dd8d15b920bea78bdced35 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Eric=20B=C3=A9nard?= <eric@eukrea.com> -Date: Tue, 21 Feb 2012 01:09:15 +0100 -Subject: [PATCH 6/7] mx53-loco: add board revision support -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -- this is taken from freescale-mx35-3-stack/3stack.c and allows -this board to run Freescale's kernel which relies on the system -revision to configure the correct PMIC. - -- On rev0 boards (with DA9053), the log is : -detected i.MX53 rev 2.1 -MCIMX53-START board 1.0 - -On newer boards (rev A or B with MC34708), the log is : -mc34708-i2c@mc34708-i2c0: MC34708 ID: 0x0014 -detected i.MX53 rev 2.1 -MCIMX53-START-R board 1.0 rev B - -Signed-off-by: Eric Bénard <eric@eukrea.com> ---- -Upstream-Status: Applied for 2012.04.0 - - arch/arm/boards/freescale-mx53-loco/board.c | 51 +++++++++++++++++++++++++++ - 1 files changed, 51 insertions(+), 0 deletions(-) - -diff --git a/arch/arm/boards/freescale-mx53-loco/board.c b/arch/arm/boards/freescale-mx53-loco/board.c -index 14c053a..115a8a3 100644 ---- a/arch/arm/boards/freescale-mx53-loco/board.c -+++ b/arch/arm/boards/freescale-mx53-loco/board.c -@@ -103,6 +103,31 @@ static struct i2c_board_info i2c_devices[] = { - }, - }; - -+/* -+ * Revision to be passed to kernel. The kernel provided -+ * by freescale relies on this. -+ * -+ * C --> CPU type -+ * S --> Silicon revision -+ * B --> Board rev -+ * -+ * 31 20 16 12 8 4 0 -+ * | Cmaj | Cmin | B | Smaj | Smin| -+ * -+ * e.g 0x00053120 --> i.MX35, Cpu silicon rev 2.0, Board rev 2 -+*/ -+static unsigned int loco_system_rev = 0x00053000; -+ -+static void set_silicon_rev( int rev) -+{ -+ loco_system_rev = loco_system_rev | (rev & 0xFF); -+} -+ -+static void set_board_rev(int rev) -+{ -+ loco_system_rev = (loco_system_rev & ~(0xF << 8)) | (rev & 0xF) << 8; -+} -+ - static int loco_mem_init(void) - { - arm_add_mem_device("ram0", 0x70000000, SZ_512M); -@@ -149,6 +174,8 @@ static int loco_devices_init(void) - - loco_fec_reset(); - -+ set_silicon_rev(imx_silicon_revision()); -+ - armlinux_set_bootparams((void *)0x70000100); - armlinux_set_architecture(MACH_TYPE_MX53_LOCO); - -@@ -177,3 +204,27 @@ static int loco_console_init(void) - } - - console_initcall(loco_console_init); -+ -+static int loco_pmic_init(void) -+{ -+ struct mc34708 *mc34708; -+ int rev; -+ -+ mc34708 = mc34708_get(); -+ if (!mc34708) { -+ /* so we have a DA9053 based board */ -+ printf("MCIMX53-START board 1.0\n"); -+ armlinux_set_revision(loco_system_rev); -+ return 0; -+ } -+ -+ /* get the board revision from fuse */ -+ rev = readl(MX53_IIM_BASE_ADDR + 0x878); -+ set_board_rev(rev); -+ printf("MCIMX53-START-R board 1.0 rev %c\n", (rev == 1) ? 'A' : 'B' ); -+ armlinux_set_revision(loco_system_rev); -+ -+ return 0; -+} -+ -+late_initcall(loco_pmic_init); --- -1.7.7.6 - |